diff --git a/train/diagrams/easy/diagrams_1.txt b/train/diagrams/easy/diagrams_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..683762a2ab226a3e16068c442a092b73e006e2d4
--- /dev/null
+++ b/train/diagrams/easy/diagrams_1.txt
@@ -0,0 +1,9 @@
+<AML Screening, connectedTo, Forex Trading>
+<Approval Decision, connectedTo, Financial Reporting>
+<Budgeting Analysis, verifies, Approval Decision>
+<Credit Scoring, approves, Budgeting Analysis>
+<Credit Scoring, connectedTo, Approval Decision>
+<Financial Reporting, flags, Fund Disbursement>
+<Forex Trading, settles, Credit Scoring>
+<Fund Disbursement, reconciles, Treasury Management>
+<Fund Disbursement, screens, Approval Decision>
diff --git a/train/diagrams/easy/diagrams_10.txt b/train/diagrams/easy/diagrams_10.txt
new file mode 100644
index 0000000000000000000000000000000000000000..64a647a8f656cda52b908287000b6a55e0d8616a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_10.txt
@@ -0,0 +1,12 @@
+<Anesthesia Administration, connectedTo, Surgery>
+<Blood Test, connectedTo, Physical Examination>
+<Dental Check_up, connectedTo, Discharge>
+<Device Implantation, connectedTo, Dental Check_up>
+<Discharge, transports, Anesthesia Administration>
+<Mental Health Assessment, connectedTo, Treatment Plan>
+<Pain Management, connectedTo, Blood Test>
+<Pain Management, prescribes, Patient Transfer>
+<Physical Examination, analyzes, Device Implantation>
+<Rehabilitation Therapy, examines, Pain Management>
+<Surgery, escalates, Patient Transfer>
+<Treatment Plan, operates, Rehabilitation Therapy>
diff --git a/train/diagrams/easy/diagrams_104.dot b/train/diagrams/easy/diagrams_104.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f9d2d7d78e361dc824e00df2597391e61690f085
--- /dev/null
+++ b/train/diagrams/easy/diagrams_104.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Property Valuation" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N1 [label="Maintenance Request" color="#CDDC39" fillcolor="#E6EE9C" shape=rect style=filled]
+	N2 [label="Price Negotiation" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N3 [label="Eviction Process" color="#7986CB" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N4 [label="Building Permit Application" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N5 [label="Loan Pre_Approval" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N6 [label="Home Inspection" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N7 [label="Property Management" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N8 [label="Document Signing" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N1 -> N2 [color="#CDDC39" penwidth=1.5 style=solid label="transfers" dir=forward]
+	N2 -> N3 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=dashed label="consults" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="zones" dir=forward]
+	N6 -> N7 [color="#CDDC39" penwidth=1.5 style=dashed label="finances" dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N1 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N5 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_104.txt b/train/diagrams/easy/diagrams_104.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42d39fb14d45afe712bb00679012f5ebf3a05004
--- /dev/null
+++ b/train/diagrams/easy/diagrams_104.txt
@@ -0,0 +1,10 @@
+<Building Permit Application, consults, Loan Pre_Approval>
+<Eviction Process, connectedTo, Building Permit Application>
+<Home Inspection, finances, Property Management>
+<Loan Pre_Approval, zones, Home Inspection>
+<Maintenance Request, connectedTo, Home Inspection>
+<Maintenance Request, transfers, Price Negotiation>
+<Price Negotiation, connectedTo, Eviction Process>
+<Price Negotiation, manages, Loan Pre_Approval>
+<Property Management, connectedTo, Document Signing>
+<Property Valuation, secures, Maintenance Request>
diff --git a/train/diagrams/easy/diagrams_105.txt b/train/diagrams/easy/diagrams_105.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa1b231744a416ed117184dfbd7f4e590f87f730
--- /dev/null
+++ b/train/diagrams/easy/diagrams_105.txt
@@ -0,0 +1,11 @@
+<Crowd Management, collaborates, Cybersecurity Threat Response>
+<Cybersecurity Threat Response, connectedTo, Public Warning>
+<Hostage Negotiation, connectedTo, Incident Reporting>
+<Incident Command System Activation, connectedTo, Post_Incident Review>
+<Incident Reporting, connectedTo, Responder Alert>
+<Incident Reporting, connectedTo, Shelter Setup>
+<Post_Incident Review, assesses, Crowd Management>
+<Public Warning, responds, Suspect Identification>
+<Responder Alert, trains, Threat Assessment>
+<Suspect Identification, controls, Hostage Negotiation>
+<Threat Assessment, connectedTo, Incident Command System Activation>
diff --git a/train/diagrams/easy/diagrams_107.dot b/train/diagrams/easy/diagrams_107.dot
new file mode 100644
index 0000000000000000000000000000000000000000..45ba977c607eaf858436616b0b59ab99b0546a16
--- /dev/null
+++ b/train/diagrams/easy/diagrams_107.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Victim Support Services" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N1 [label="Court Testimony" color="#FFB74D" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N2 [label="Border Security" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N3 [label="Resource Allocation" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N4 [label="Law Enforcement Database Check" color="#BCB88A" fillcolor="#F5F5DC" shape=rect style=filled]
+	N5 [label="Hostage Negotiation" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N6 [label="Bomb Disposal" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N7 [label="K9 Unit Deployment" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N0 -> N1 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="assesses" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFB74D" penwidth=1.5 style=solid label="reports" dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=dashed label="rehabilitates" dir=forward]
+	N4 -> N2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_11.dot b/train/diagrams/easy/diagrams_11.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e1901e489a27e31ed0765200ca7474c083795649
--- /dev/null
+++ b/train/diagrams/easy/diagrams_11.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Medication Dispensing" color="#FFA726" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N1 [label="Nutritional Counseling" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N2 [label="Vaccination" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N3 [label="Medical History" color="#E57373" fillcolor="#FFEBEE" shape=document style=filled]
+	N4 [label="Surgery" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N5 [label="Health Screening" color="#FFA726" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N6 [label="Insurance Claim" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	N7 [label="Medical Record Keeping" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N8 [label="Device Implantation" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N9 [label="Anesthesia Administration" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="reviews" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFA726" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N5 -> N6 [color="#FFA726" penwidth=1.5 style=solid label="transports" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="refers" dir=forward]
+	N8 -> N9 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_111.txt b/train/diagrams/easy/diagrams_111.txt
new file mode 100644
index 0000000000000000000000000000000000000000..edeba4b31c90c8fb72b03e5adffa1a955fb610f3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_111.txt
@@ -0,0 +1,13 @@
+<Cybersecurity Threat Response, connectedTo, Suspect Identification>
+<Emergency Medical Service, assesses, Search and Rescue Operations>
+<Evacuation Planning, licenses, First Aid Deployment>
+<Evacuation Planning, recovers, Shelter Setup>
+<First Aid Deployment, connectedTo, Incident Command System Activation>
+<Incident Command System Activation, rehabilitates, Surveillance Review>
+<Post_Incident Review, connectedTo, Cybersecurity Threat Response>
+<Public Safety Training, alerts, Shelter Setup>
+<Search and Rescue Operations, connectedTo, Public Safety Training>
+<Search and Rescue Operations, maintains, Emergency Medical Service>
+<Shelter Setup, evacuates, Inmate Transport>
+<Surveillance Review, analyzes, Emergency Medical Service>
+<Suspect Identification, collaborates, Evacuation Planning>
diff --git a/train/diagrams/easy/diagrams_114.dot b/train/diagrams/easy/diagrams_114.dot
new file mode 100644
index 0000000000000000000000000000000000000000..de5586dd31fe99bd7f7f84c622d5b399736f53cc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_114.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Scene Scheduling" color="#D3EB9F" fillcolor="#F8FDD3" shape=inputoutput style=filled]
+	N1 [label="Awards Ceremony Production" color="#4FC3F7" fillcolor="#E1F5FE" shape=diamond style=filled]
+	N2 [label="Trailer Production" color="#4FC3F7" fillcolor="#E1F5FE" shape=inputoutput style=filled]
+	N3 [label="Intellectual Property Protection" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N4 [label="Game Development" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N5 [label="Post_Production Audio Mixing" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N6 [label="Sponsorship Acquisition" color="#4FC3F7" fillcolor="#E1F5FE" shape=diamond style=filled]
+	N7 [label="Budget Planning" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N8 [label="Fan Engagement Strategy" color="#E91E63" fillcolor="#FCE4EC" shape=document style=filled]
+	N9 [label="Live Performance" color="#E91E63" fillcolor="#FCE4EC" shape=rect style=filled]
+	N10 [label="Costume Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N11 [label="Film Distribution" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=solid label="masters" dir=forward]
+	N1 -> N2 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=solid label="screens" dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="markets" dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=dashed label="renders" dir=forward]
+	N6 -> N7 [color="#4FC3F7" penwidth=1.5 style=solid label="films" dir=forward]
+	N7 -> N8 [color="#D3EB9F" penwidth=1.5 style=solid label="streams" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="mixes" dir=forward]
+	N9 -> N10 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#4FC3F7" penwidth=1.5 style=solid label="audits" dir=forward]
+	N8 -> N11 [color="#D3EB9F" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N5 -> N10 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_115.dot b/train/diagrams/easy/diagrams_115.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d5f64a652945ad2ec2f444fd6f947e217368b61c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_115.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Scene Shooting" color="#66BB6A" fillcolor="#E8F5E9" shape=predefinedprocess style=filled]
+	N1 [label="Casting Call" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N2 [label="Film Festival Submission" color="#FFD54F" fillcolor="#FFF8E1" shape=document style=filled]
+	N3 [label="Sound Engineering" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N4 [label="Budget Planning" color="#66BB6A" fillcolor="#E8F5E9" shape=action style=filled]
+	N5 [label="Marketing Campaign" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N6 [label="Ticketing Sales" color="#9C27B0" fillcolor="#E1BEE7" shape=rectangle style=filled]
+	N7 [label="Sponsorship Acquisition" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N8 [label="Costume Design" color="#66BB6A" fillcolor="#E8F5E9" shape=document style=filled]
+	N9 [label="Stunt Coordination" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="performs" dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=dashed label="streams" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="negotiates" dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed label="produces" dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#66BB6A" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N8 -> N9 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N3 [color="#66BB6A" penwidth=1.5 style=dashed label="auditions" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_116.dot b/train/diagrams/easy/diagrams_116.dot
new file mode 100644
index 0000000000000000000000000000000000000000..010524c95a8a194c4b077840e0988f714024feea
--- /dev/null
+++ b/train/diagrams/easy/diagrams_116.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Special Effects Design" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Lighting Setup" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N2 [label="Scene Scheduling" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N3 [label="Broadcast Scheduling" color="#82DAFF" fillcolor="#C8EDFF" shape=preparation style=filled]
+	N4 [label="Post_Production Audio Mixing" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N5 [label="Talent Management" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N6 [label="Merchandise Creation" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+	N7 [label="Streaming Setup" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N8 [label="Premiere Event" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N9 [label="Casting Call" color="#82DAFF" fillcolor="#C8EDFF" shape=inputoutput style=filled]
+	N10 [label="Script Writing" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N11 [label="Film Festival Submission" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N0 -> N1 [color="#82DAFF" penwidth=1.5 style=solid label="auditions" dir=forward]
+	N1 -> N2 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid label="writes" dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#F06292" penwidth=1.5 style=solid label="responds to" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9FA9E1" penwidth=1.5 style=dashed label="mixes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N8 -> N9 [color="#F06292" penwidth=1.5 style=solid label="animates" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=solid label="archives" dir=forward]
+	N3 -> N2 [color="#82DAFF" penwidth=1.5 style=dashed label="produces" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_117.dot b/train/diagrams/easy/diagrams_117.dot
new file mode 100644
index 0000000000000000000000000000000000000000..129017adec68ab805662433b17972d8fb386e415
--- /dev/null
+++ b/train/diagrams/easy/diagrams_117.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Sound Engineering" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N1 [label="Set Construction" color="#FFDA4E" fillcolor="#FFE88D" shape=document style=filled]
+	N2 [label="Scene Shooting" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N3 [label="Location Scouting" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N4 [label="Fan Engagement Strategy" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N5 [label="Special Effects Design" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N6 [label="Music Composition" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N7 [label="Trailer Production" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N8 [label="Awards Ceremony Production" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	N9 [label="Stunt Coordination" color="#FFC085" fillcolor="#FFDAB9" shape=action style=filled]
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=dashed label="promotes" dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=dashed label="mixes" dir=forward]
+	N5 -> N6 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=dashed label="schedules" dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N9 [color="#FFDA4E" penwidth=1.5 style=solid label="edits" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_117.txt b/train/diagrams/easy/diagrams_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..478c3c894e5bafb2b9a51b98254aa7c1be48c184
--- /dev/null
+++ b/train/diagrams/easy/diagrams_117.txt
@@ -0,0 +1,11 @@
+<Awards Ceremony Production, connectedTo, Stunt Coordination>
+<Fan Engagement Strategy, mixes, Special Effects Design>
+<Location Scouting, promotes, Fan Engagement Strategy>
+<Music Composition, connectedTo, Location Scouting>
+<Music Composition, schedules, Trailer Production>
+<Scene Shooting, connectedTo, Location Scouting>
+<Set Construction, connectedTo, Scene Shooting>
+<Set Construction, edits, Stunt Coordination>
+<Sound Engineering, collaborates, Set Construction>
+<Special Effects Design, connectedTo, Music Composition>
+<Trailer Production, connectedTo, Awards Ceremony Production>
diff --git a/train/diagrams/easy/diagrams_119.txt b/train/diagrams/easy/diagrams_119.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8363e8d950c26f7bbff812b0def69dbfdf6e3f2f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_119.txt
@@ -0,0 +1,8 @@
+<Licensing Approval, markets, Red Carpet Event>
+<Lighting Setup, connectedTo, Visual Effects>
+<Live Performance, audits, Licensing Approval>
+<Location Scouting, connectedTo, Live Performance>
+<Merchandise Creation, connectedTo, Location Scouting>
+<Ticketing Sales, produces, Merchandise Creation>
+<Visual Effects, connectedTo, Location Scouting>
+<Visual Effects, directs, Ticketing Sales>
diff --git a/train/diagrams/easy/diagrams_120.dot b/train/diagrams/easy/diagrams_120.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d22fb2f37b39f287b2a8beb14be1acb73152e77d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_120.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Marketing Campaign" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N1 [label="Licensing Approval" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N2 [label="Broadcast Scheduling" color="#F44336" fillcolor="#FFCDD2" shape=predefinedprocess style=filled]
+	N3 [label="Visual Effects" color="#D2D2D2" fillcolor="#F0F0F0" shape=rect style=filled]
+	N4 [label="Live Performance" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N5 [label="Premiere Event" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N6 [label="Streaming Setup" color="#82DAFF" fillcolor="#C8EDFF" shape=multipledocuments style=filled]
+	N7 [label="Awards Ceremony Production" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N8 [label="Budget Planning" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N9 [label="Script Writing" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N10 [label="Footage Review" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#D2D2D2" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=dashed label="writes" dir=forward]
+	N6 -> N7 [color="#F44336" penwidth=1.5 style=solid label="performs" dir=forward]
+	N7 -> N8 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#82DAFF" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N9 -> N10 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N1 [color="#000000" penwidth=1.5 style=solid label="preserves" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_120.txt b/train/diagrams/easy/diagrams_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f3e03e4af3a1a2dcb7f5d8764f701ab8f1cba7d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_120.txt
@@ -0,0 +1,11 @@
+<Awards Ceremony Production, connectedTo, Budget Planning>
+<Broadcast Scheduling, publishes, Visual Effects>
+<Budget Planning, protects, Script Writing>
+<Licensing Approval, connectedTo, Broadcast Scheduling>
+<Live Performance, manages, Premiere Event>
+<Marketing Campaign, connectedTo, Licensing Approval>
+<Premiere Event, writes, Streaming Setup>
+<Script Writing, connectedTo, Footage Review>
+<Streaming Setup, performs, Awards Ceremony Production>
+<Streaming Setup, preserves, Licensing Approval>
+<Visual Effects, connectedTo, Live Performance>
diff --git a/train/diagrams/easy/diagrams_122.dot b/train/diagrams/easy/diagrams_122.dot
new file mode 100644
index 0000000000000000000000000000000000000000..68c2b96fbfd07466608e3a568872164bbff1a9d6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_122.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Noise Pollution Measurement" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N1 [label="Emission Reporting" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N2 [label="Landfill Management" color="#E57373" fillcolor="#FFEBEE" shape=inputoutput style=filled]
+	N3 [label="Citizen Science Initiative" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N4 [label="Waste Collection" color="#E91E63" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N5 [label="Conservation Easement" color="#E91E63" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N6 [label="Regulatory Compliance" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+	N7 [label="Environmental Research" color="#E91E63" fillcolor="#FCE4EC" shape=document style=filled]
+	N8 [label="Public Awareness Campaign" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N9 [label="Renewable Energy Grid Integration" color="#E91E63" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid label="enforces" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N4 -> N5 [color="#CFCFCF" penwidth=1.5 style=solid label="mitigates" dir=forward]
+	N5 -> N6 [color="#E57373" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#CFCFCF" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N3 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_122.txt b/train/diagrams/easy/diagrams_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5f15ce25c5185ac6309081d53d487398185ce86c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_122.txt
@@ -0,0 +1,10 @@
+<Citizen Science Initiative, advises, Waste Collection>
+<Citizen Science Initiative, connectedTo, Landfill Management>
+<Conservation Easement, treats, Regulatory Compliance>
+<Emission Reporting, enforces, Landfill Management>
+<Environmental Research, connectedTo, Public Awareness Campaign>
+<Landfill Management, forecasts, Citizen Science Initiative>
+<Noise Pollution Measurement, connectedTo, Emission Reporting>
+<Public Awareness Campaign, inspects, Renewable Energy Grid Integration>
+<Regulatory Compliance, connectedTo, Environmental Research>
+<Waste Collection, mitigates, Conservation Easement>
diff --git a/train/diagrams/easy/diagrams_125.txt b/train/diagrams/easy/diagrams_125.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2be8ff556f556d5e8681fa876f8aede737753c3d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_125.txt
@@ -0,0 +1,12 @@
+<Biodiversity Conservation, connectedTo, Ocean Cleanup>
+<Climate Modeling, cleans, Energy Audit>
+<Ecological Footprint Analysis, calculates, Sustainability Review>
+<Ecological Footprint Analysis, connectedTo, Sustainable Agriculture Practices>
+<Emission Reporting, connectedTo, Climate Modeling>
+<Emission Reporting, incentivizes, Biodiversity Conservation>
+<Energy Audit, subsidizes, Pollution Alert>
+<Ocean Cleanup, connectedTo, Ecological Footprint Analysis>
+<Pollution Alert, funds, Sustainability Review>
+<Reforestation Planning, recycles, Stormwater Management>
+<Stormwater Management, disposes, Climate Modeling>
+<Sustainable Agriculture Practices, alerts, Reforestation Planning>
diff --git a/train/diagrams/easy/diagrams_126.dot b/train/diagrams/easy/diagrams_126.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b4e0893c4fcb42576914ceb0afbe20e74e6af70
--- /dev/null
+++ b/train/diagrams/easy/diagrams_126.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Recycling Process" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N1 [label="Renewable Energy Project Development" color="#42A5F5" fillcolor="#F1F8FF" shape=document style=filled]
+	N2 [label="Wildlife Survey" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N3 [label="Reforestation Planning" color="#42A5F5" fillcolor="#F1F8FF" shape=document style=filled]
+	N4 [label="Groundwater Monitoring" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N5 [label="Conservation Easement" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N6 [label="Climate Modeling" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N7 [label="Ocean Cleanup" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N8 [label="Noise Pollution Measurement" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N9 [label="Air Quality Monitoring" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N10 [label="Ecological Footprint Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=multipledocuments style=filled]
+	N11 [label="Emission Reporting" color="#00BCD4" fillcolor="#B2EBF2" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="permits" dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=solid label="advocates" dir=forward]
+	N2 -> N3 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#42A5F5" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N5 -> N6 [color="#42A5F5" penwidth=1.5 style=solid label="funds" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N8 -> N9 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#42A5F5" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N10 -> N11 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N7 [color="#00BCD4" penwidth=1.5 style=dashed label="cleans" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_128.txt b/train/diagrams/easy/diagrams_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..909e18caa3e9f41b66eb4fa42897375463e86929
--- /dev/null
+++ b/train/diagrams/easy/diagrams_128.txt
@@ -0,0 +1,9 @@
+<Energy Audit, regulates, Sustainability Review>
+<Environmental Education Programs, connectedTo, Sustainable Agriculture Practices>
+<Environmental Research, restores, Wildlife Survey>
+<Policy Advocacy, connectedTo, Environmental Education Programs>
+<Renewable Energy Grid Integration, implements, Environmental Research>
+<Renewable Energy Project Development, connectedTo, Policy Advocacy>
+<Sustainability Review, connectedTo, Renewable Energy Project Development>
+<Sustainable Agriculture Practices, connectedTo, Renewable Energy Grid Integration>
+<Wildlife Survey, funds, Environmental Education Programs>
diff --git a/train/diagrams/easy/diagrams_129.dot b/train/diagrams/easy/diagrams_129.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b6153ebbbd087a7a992eb81ad5b4d9144194ae0f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_129.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Public Consultation" color="#F06292" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N1 [label="Driver's License Renewal" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N2 [label="Service Registration" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N3 [label="Social Program Review" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N4 [label="Veterans Affairs" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N5 [label="Public Hearing" color="#D3EB9F" fillcolor="#F8FDD3" shape=preparation style=filled]
+	N6 [label="Public Sector Procurement" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	N7 [label="Tax Filing" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	N8 [label="Whistleblower Protection" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=solid label="secures" dir=forward]
+	N1 -> N2 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="executes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="responds" dir=forward]
+	N6 -> N7 [color="#D3EB9F" penwidth=1.5 style=solid label="protects" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=solid label="taxes" dir=forward]
+	N7 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_13.dot b/train/diagrams/easy/diagrams_13.dot
new file mode 100644
index 0000000000000000000000000000000000000000..55169b59cd5ca2c2a91665cc3355534a3270790b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_13.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Allergy Test" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N1 [label="Medication Dispensing" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N2 [label="Treatment Plan" color="#FFF9AE" fillcolor="#FFFCE6" shape=vnode_shape style=filled]
+	N3 [label="Symptom Monitoring" color="#9575CD" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N4 [label="Mental Health Assessment" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+	N5 [label="Dental Check_up" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N6 [label="Lab Test" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N7 [label="Rehabilitation Therapy" color="#FFCC80" fillcolor="#FFF0CC" shape=rectangle style=filled]
+	N8 [label="Patient Intake" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N9 [label="Patient Transfer" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N10 [label="Insurance Claim" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFCC80" penwidth=1.5 style=dashed label="notifies" dir=forward]
+	N2 -> N3 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N5 -> N6 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#9575CD" penwidth=1.5 style=solid label="administers" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N8 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_131.txt b/train/diagrams/easy/diagrams_131.txt
new file mode 100644
index 0000000000000000000000000000000000000000..be52bb30dc36e23a5c4b9f880e0819ca7390a19c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_131.txt
@@ -0,0 +1,13 @@
+<Budget Allocation, connectedTo, Social Program Review>
+<Budget Allocation, protects, Public Hearing>
+<Education Policy, governs, Social Program Review>
+<Election Management, provides, Grant Distribution>
+<Grant Distribution, connectedTo, Transparency Audit>
+<Grant Distribution, licenses, Urban Planning>
+<Legal Advisory, connectedTo, Compliance Checking>
+<Legislation Review, allocates, Legal Advisory>
+<Public Consultation, negotiates, Transparency Audit>
+<Public Hearing, responds, Election Management>
+<Social Program Review, connectedTo, Legislation Review>
+<Transparency Audit, connectedTo, Education Policy>
+<Urban Planning, connectedTo, Public Consultation>
diff --git a/train/diagrams/easy/diagrams_132.dot b/train/diagrams/easy/diagrams_132.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6c62aacc1cffa0e348e04c18ba0b7d004d58a25a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_132.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Citizen Feedback" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N1 [label="Policy Drafting" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N2 [label="Education Policy" color="#7E57C2" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N3 [label="Legislation Review" color="#7E57C2" fillcolor="#EDE7F6" shape=document style=filled]
+	N4 [label="Social Security Administration" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N5 [label="Vehicle Registration" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N6 [label="Urban Planning" color="#BDBDBD" fillcolor="#F5F5F5" shape=predefinedprocess style=filled]
+	N7 [label="Public Works Maintenance" color="#BDBDBD" fillcolor="#F5F5F5" shape=rect style=filled]
+	N8 [label="Border Control" color="#7E57C2" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=solid label="mediates" dir=forward]
+	N1 -> N2 [color="#AF56A6" penwidth=1.5 style=solid label="registers" dir=forward]
+	N2 -> N3 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#AF56A6" penwidth=1.5 style=solid label="grants" dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#AF56A6" penwidth=1.5 style=dashed label="collects" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="partners" dir=forward]
+	N3 -> N8 [color="#AF56A6" penwidth=1.5 style=solid label="evaluates" dir=forward]
+	N2 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_133.dot b/train/diagrams/easy/diagrams_133.dot
new file mode 100644
index 0000000000000000000000000000000000000000..417322d424635fb1ada8890f63a4010fc4049f2d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_133.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="ID Verification" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N1 [label="Infrastructure Planning" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N2 [label="Legal Advisory" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N3 [label="Budget Allocation" color="#CD8FF2" fillcolor="#ECCFF5" shape=rectangle style=filled]
+	N4 [label="Grant Distribution" color="#03A9F4" fillcolor="#B3E5FC" shape=multipledocuments style=filled]
+	N5 [label="Data Publishing" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N6 [label="Open Government Data Initiative" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	N7 [label="Public Records Request" color="#CD8FF2" fillcolor="#ECCFF5" shape=document style=filled]
+	N8 [label="Veterans Affairs" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N9 [label="Service Registration" color="#03A9F4" fillcolor="#B3E5FC" shape=predefinedprocess style=filled]
+	N10 [label="National Defense" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=solid label="grants" dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#03A9F4" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=dashed label="negotiates" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N10 [color="#CD8FF2" penwidth=1.5 style=solid label="evaluates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_133.txt b/train/diagrams/easy/diagrams_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..11aa6fb77a3a756c1080cf7ae57e916b95996354
--- /dev/null
+++ b/train/diagrams/easy/diagrams_133.txt
@@ -0,0 +1,11 @@
+<Budget Allocation, grants, Grant Distribution>
+<Data Publishing, publishes, Open Government Data Initiative>
+<Grant Distribution, connectedTo, Data Publishing>
+<ID Verification, connectedTo, Infrastructure Planning>
+<ID Verification, evaluates, National Defense>
+<Infrastructure Planning, connectedTo, Legal Advisory>
+<Legal Advisory, connectedTo, Budget Allocation>
+<Open Government Data Initiative, connectedTo, Public Records Request>
+<Public Records Request, audits, Veterans Affairs>
+<Service Registration, connectedTo, National Defense>
+<Veterans Affairs, negotiates, Service Registration>
diff --git a/train/diagrams/easy/diagrams_134.dot b/train/diagrams/easy/diagrams_134.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6e3808256ba2dbb025867e20d81a1a2423253cc3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_134.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Public Hearing" color="#00BCD4" fillcolor="#B2EBF2" shape=preparation style=filled]
+	N1 [label="Public Health Initiative" color="#BDAFA8" fillcolor="#E4E0DF" shape=rect style=filled]
+	N2 [label="Education Policy" color="#BDAFA8" fillcolor="#E4E0DF" shape=rectangle style=filled]
+	N3 [label="Emergency Preparedness" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N4 [label="Public Sector Procurement" color="#EAEFA5" fillcolor="#FDFCEB" shape=document style=filled]
+	N5 [label="Code Enforcement" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N6 [label="Citizen Feedback" color="#BDAFA8" fillcolor="#E4E0DF" shape=parallelogram style=filled]
+	N7 [label="Open Government Data Initiative" color="#BDAFA8" fillcolor="#E4E0DF" shape=rectangle style=filled]
+	N8 [label="ID Verification" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N9 [label="Diplomatic Negotiation" color="#EAEFA5" fillcolor="#FDFCEB" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed label="engages" dir=forward]
+	N2 -> N3 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=dashed label="registers" dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=dashed label="subsidizes" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="provides" dir=forward]
+	N7 -> N8 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="taxes" dir=forward]
+	N5 -> N1 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N7 [color="#00BCD4" penwidth=1.5 style=solid label="licenses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_146.dot b/train/diagrams/easy/diagrams_146.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c1c50efd4d58db2f911dcdd5126bdf46df527258
--- /dev/null
+++ b/train/diagrams/easy/diagrams_146.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Recall Management" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Supplier Selection" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N2 [label="Customer Test Drive" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N3 [label="Road Testing" color="#AB47BC" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N4 [label="Tire Rotation" color="#AB47BC" fillcolor="#F3E5F5" shape=action style=filled]
+	N5 [label="Part Manufacturing" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N6 [label="Inventory Tracking" color="#7986CB" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N7 [label="Dealership Sales" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=dashed label="installs" dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed label="recalls" dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N3 -> N4 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#AB47BC" penwidth=1.5 style=solid label="produces" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N0 [color="#000000" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N5 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_147.dot b/train/diagrams/easy/diagrams_147.dot
new file mode 100644
index 0000000000000000000000000000000000000000..704c7428085a39700f4429ea6ee1b187e849d68b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_147.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Paint Application" color="#C0CA33" fillcolor="#F9FBE7" shape=action style=filled]
+	N1 [label="Autonomous Driving Software Development" color="#4DB6AC" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N2 [label="Brake System Check" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N3 [label="Electric Vehicle Battery Production" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N4 [label="Maintenance Scheduling" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N5 [label="Software Calibration" color="#C0CA33" fillcolor="#F9FBE7" shape=action style=filled]
+	N6 [label="Supplier Selection" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N7 [label="Component Testing" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N8 [label="Engine Installation" color="#CD8FF2" fillcolor="#ECCFF5" shape=action style=filled]
+	N9 [label="Crash Simulation" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4DB6AC" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N2 -> N3 [color="#C0CA33" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N3 -> N4 [color="#C0CA33" penwidth=1.5 style=solid label="complies" dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#C0CA33" penwidth=1.5 style=solid label="fuels" dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N0 -> N9 [color="#4DB6AC" penwidth=1.5 style=dashed label="schedules" dir=forward]
+	N9 -> N1 [color="#C0CA33" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_147.txt b/train/diagrams/easy/diagrams_147.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92e172731b164f286fcf61f675c169e102da3d67
--- /dev/null
+++ b/train/diagrams/easy/diagrams_147.txt
@@ -0,0 +1,11 @@
+<Autonomous Driving Software Development, simulates, Brake System Check>
+<Brake System Check, maintains, Electric Vehicle Battery Production>
+<Component Testing, fuels, Engine Installation>
+<Crash Simulation, diagnoses, Autonomous Driving Software Development>
+<Electric Vehicle Battery Production, complies, Maintenance Scheduling>
+<Engine Installation, connectedTo, Crash Simulation>
+<Maintenance Scheduling, automates, Software Calibration>
+<Paint Application, connectedTo, Autonomous Driving Software Development>
+<Paint Application, schedules, Crash Simulation>
+<Software Calibration, connectedTo, Supplier Selection>
+<Supplier Selection, connectedTo, Component Testing>
diff --git a/train/diagrams/easy/diagrams_149.txt b/train/diagrams/easy/diagrams_149.txt
new file mode 100644
index 0000000000000000000000000000000000000000..36876bf19bf7dafb65038677e7ecbd7696d181e6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_149.txt
@@ -0,0 +1,9 @@
+<Body Shop Repair, connectedTo, Paint Application>
+<Electric Vehicle Battery Production, connectedTo, Vehicle Connectivity>
+<Electric Vehicle Battery Production, supports, Safety Inspection>
+<Paint Application, connectedTo, Recycling of Vehicle Components>
+<Recycling of Vehicle Components, upgrades, Tire Rotation>
+<Spare Parts Order, designs, Electric Vehicle Battery Production>
+<Tire Rotation, connectedTo, Vehicle Connectivity>
+<Vehicle Connectivity, connectedTo, Spare Parts Order>
+<Vehicle Connectivity, registers, Safety Inspection>
diff --git a/train/diagrams/easy/diagrams_154.txt b/train/diagrams/easy/diagrams_154.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a039a0d6ceb4d7c02a345ca4727cb1ec0f3518aa
--- /dev/null
+++ b/train/diagrams/easy/diagrams_154.txt
@@ -0,0 +1,12 @@
+<Component Recovery, connectedTo, Rocket Assembly>
+<Extravehicular Activity Planning, optimizes, Space Debris Tracking>
+<Fueling Procedure, predicts, Structural Analysis>
+<International Space Station Resupply, connectedTo, Extravehicular Activity Planning>
+<International Space Station Resupply, secures, New Material Development>
+<Launch Window Calculation, assembles, International Space Station Resupply>
+<Mission Planning, plans, Extravehicular Activity Planning>
+<New Material Development, connectedTo, System Reboot>
+<Rocket Assembly, repairs, Fueling Procedure>
+<Space Debris Tracking, connectedTo, Component Recovery>
+<Structural Analysis, connectedTo, Aircraft Manufacturing>
+<System Reboot, connectedTo, Mission Planning>
diff --git a/train/diagrams/easy/diagrams_155.txt b/train/diagrams/easy/diagrams_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0aa4756452a123c9138f36f8613b5d9e3968d3da
--- /dev/null
+++ b/train/diagrams/easy/diagrams_155.txt
@@ -0,0 +1,11 @@
+<Airframe Assembly, develops, System Reboot>
+<Data Transmission, connectedTo, Runway Inspection>
+<Emergency Protocols, adjusts, Launch Execution>
+<Extravehicular Activity Planning, connectedTo, Payload Integration>
+<Ground Station Coordination, connectedTo, Extravehicular Activity Planning>
+<Ground Station Coordination, connectedTo, International Space Station Resupply>
+<International Space Station Resupply, transmits, Airframe Assembly>
+<Launch Execution, builds, Data Transmission>
+<Runway Inspection, connectedTo, Extravehicular Activity Planning>
+<Structural Analysis, executes, Ground Station Coordination>
+<System Reboot, connectedTo, Emergency Protocols>
diff --git a/train/diagrams/easy/diagrams_156.dot b/train/diagrams/easy/diagrams_156.dot
new file mode 100644
index 0000000000000000000000000000000000000000..badd48681d141117fa787bbc61048d0420af0626
--- /dev/null
+++ b/train/diagrams/easy/diagrams_156.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Structural Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=database style=filled]
+	N1 [label="Fueling Procedure" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+	N2 [label="Emergency Protocols" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N3 [label="Mission Debriefing" color="#6EB76D" fillcolor="#E9F7E8" shape=predefinedprocess style=filled]
+	N4 [label="Space Debris Tracking" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N5 [label="Propulsion Testing" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N6 [label="Launch Execution" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+	N7 [label="Aviation Safety Audit" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N8 [label="Data Transmission" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=solid label="reports" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N2 -> N3 [color="#CDDC39" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="coordinates" dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#CDDC39" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N7 -> N8 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N6 -> N1 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N3 [color="#61CAC3" penwidth=1.5 style=dashed label="repairs" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_157.dot b/train/diagrams/easy/diagrams_157.dot
new file mode 100644
index 0000000000000000000000000000000000000000..319dcca360001f0aa36891a99a16f337756bd066
--- /dev/null
+++ b/train/diagrams/easy/diagrams_157.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Ground Station Coordination" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Mission Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=rectangle style=filled]
+	N2 [label="Launch Window Calculation" color="#7986CB" fillcolor="#E8EAF6" shape=database style=filled]
+	N3 [label="Airframe Assembly" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N4 [label="Aircraft Manufacturing" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N5 [label="Rocket Stage Separation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N6 [label="Launch Execution" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N7 [label="Structural Analysis" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="controls" dir=forward]
+	N1 -> N2 [color="#7986CB" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="records" dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="reports" dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N3 -> N0 [color="#26A69A" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N2 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_158.dot b/train/diagrams/easy/diagrams_158.dot
new file mode 100644
index 0000000000000000000000000000000000000000..475e9210560354d780e7591b5ac84a0ac1e72c2c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_158.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Engine Overhaul" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N1 [label="Drone System Development" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N2 [label="Astronaut Training" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N3 [label="Avionics Installation" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N4 [label="Spacecraft Telemetry Analysis" color="#AED581" fillcolor="#F0F4C3" shape=database style=filled]
+	N5 [label="Thermal Shield Testing" color="#AED581" fillcolor="#F0F4C3" shape=inputoutput style=filled]
+	N6 [label="Re_entry Vehicle Design" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N7 [label="Launch Window Calculation" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="upgrades" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="executes" dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=dashed label="engineers" dir=forward]
+	N1 -> N0 [color="#7986CB" penwidth=1.5 style=solid label="reports" dir=forward]
+	N6 -> N1 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_161.dot b/train/diagrams/easy/diagrams_161.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ac0e02004ddc7283e5f83da396a0e2143b0ffbc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_161.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Subrogation" color="#B0C5CD" fillcolor="#DFE7EB" shape=document style=filled]
+	N1 [label="Market Research" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N2 [label="Cyber Insurance Policy" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N3 [label="Compliance Reporting" color="#B0C5CD" fillcolor="#DFE7EB" shape=inputoutput style=filled]
+	N4 [label="Annuity Sales" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+	N5 [label="Reinsurance Negotiation" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N6 [label="Benefit Payout" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N7 [label="Customer Communication" color="#FBC02D" fillcolor="#FFFDE7" shape=database style=filled]
+	N8 [label="Catastrophe Modeling" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N9 [label="Risk Assessment" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="sells" dir=forward]
+	N6 -> N7 [color="#B0C5CD" penwidth=1.5 style=dashed label="mitigates" dir=forward]
+	N7 -> N8 [color="#B0C5CD" penwidth=1.5 style=dashed label="responds" dir=forward]
+	N8 -> N9 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N0 [color="#B0C5CD" penwidth=1.5 style=solid label="assesses" dir=forward]
+	N7 -> N1 [color="#A1D7CD" penwidth=1.5 style=dashed label="consults" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_163.txt b/train/diagrams/easy/diagrams_163.txt
new file mode 100644
index 0000000000000000000000000000000000000000..475fc61969cf3d64201f9745f4af1b75a375c550
--- /dev/null
+++ b/train/diagrams/easy/diagrams_163.txt
@@ -0,0 +1,9 @@
+<Auto Accident Claims, cancels, Loss Prevention>
+<Auto Accident Claims, quotes, Customer Onboarding>
+<Customer Onboarding, documents, Benefit Payout>
+<Healthcare Provider Network Management, sells, Auto Accident Claims>
+<Loss Prevention, processes, Reinsurance Negotiation>
+<Policy Cancellation, connectedTo, Telematics Data Analysis>
+<Product Development, connectedTo, Customer Onboarding>
+<Reinsurance Negotiation, responds, Policy Cancellation>
+<Telematics Data Analysis, connectedTo, Product Development>
diff --git a/train/diagrams/easy/diagrams_165.dot b/train/diagrams/easy/diagrams_165.dot
new file mode 100644
index 0000000000000000000000000000000000000000..05d03d15e1b3ca7301a9d460b95aff5c10155187
--- /dev/null
+++ b/train/diagrams/easy/diagrams_165.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Market Research" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N1 [label="Actuarial Analysis" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N2 [label="Annuity Sales" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N3 [label="Underwriting" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N4 [label="Coverage Review" color="#F06292" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N5 [label="Healthcare Provider Network Management" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N6 [label="Claims Litigation Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+	N7 [label="Life Insurance Underwriting" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N8 [label="Broker Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFB74D" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="renews" dir=forward]
+	N3 -> N4 [color="#FFB2A5" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=solid label="distributes" dir=forward]
+	N6 -> N7 [color="#F06292" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N7 -> N8 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed label="certifies" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_167.txt b/train/diagrams/easy/diagrams_167.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d87964d3a6d769fd92b59df8b79eced5fcd3e43e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_167.txt
@@ -0,0 +1,8 @@
+<Auto Accident Claims, complies, Policy Cancellation>
+<Auto Accident Claims, connectedTo, Reinsurance Negotiation>
+<Customer Support, analyzes, Telematics Data Analysis>
+<Data Security, sells, Investment Management for Reserves>
+<Investment Management for Reserves, connectedTo, Reinsurance Negotiation>
+<Policy Cancellation, connectedTo, Data Security>
+<Product Development, connectedTo, Auto Accident Claims>
+<Reinsurance Negotiation, renews, Customer Support>
diff --git a/train/diagrams/easy/diagrams_168.dot b/train/diagrams/easy/diagrams_168.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e8c4dbfa78339a8c1c9a5a3711f67a1c1674cd4a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_168.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Agent Training" color="#F44336" fillcolor="#FFCDD2" shape=action style=filled]
+	N1 [label="Coverage Review" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N2 [label="Data Security" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N3 [label="Claim Adjustment" color="#03A9F4" fillcolor="#B3E5FC" shape=parallelogram style=filled]
+	N4 [label="Annuity Sales" color="#F44336" fillcolor="#FFCDD2" shape=document style=filled]
+	N5 [label="Broker Management" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N6 [label="Cyber Insurance Policy" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N7 [label="Claim Submission" color="#03A9F4" fillcolor="#B3E5FC" shape=parallelogram style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=solid label="documents" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="responds" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="renews" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N1 -> N3 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_17.dot b/train/diagrams/easy/diagrams_17.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dd04f3d5170896b6cd18df3614aaa28cf148cbe3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_17.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Predictive Maintenance" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N1 [label="Work_in_Progress Monitoring" color="#FFC107" fillcolor="#FFECB3" shape=diamond style=filled]
+	N2 [label="Environmental Compliance" color="#FFC107" fillcolor="#FFECB3" shape=inputoutput style=filled]
+	N3 [label="Welding" color="#FFE470" fillcolor="#FFFAE0" shape=vnode_shape style=filled]
+	N4 [label="Tool Setup" color="#B0C5CD" fillcolor="#DFE7EB" shape=document style=filled]
+	N5 [label="Raw Material" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N6 [label="Machine Calibration" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N7 [label="Automated Assembly" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N8 [label="Batch Tracking" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N9 [label="Yield Optimization" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N10 [label="Packaging" color="#FFC107" fillcolor="#FFECB3" shape=predefinedprocess style=filled]
+	N11 [label="Parts Replacement" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="schedules" dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=dashed label="molds" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="receives" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N5 -> N6 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N9 -> N10 [color="#FFC107" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N10 -> N11 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N6 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N0 [color="#FFE470" penwidth=1.5 style=solid label="processes" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_171.txt b/train/diagrams/easy/diagrams_171.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4865c497ea4782c85ff426ff8626ce49612fe434
--- /dev/null
+++ b/train/diagrams/easy/diagrams_171.txt
@@ -0,0 +1,11 @@
+<Application Security, connectedTo, Digital Forensics>
+<Application Security, educates, Web Application Firewall Deployment>
+<Digital Forensics, reports, Application Security>
+<Endpoint Protection, analyzes, Security Awareness Training>
+<Endpoint Protection, threatens, Security Patch Management>
+<Malware Analysis, connectedTo, Network Security>
+<Network Security, connectedTo, Endpoint Protection>
+<Risk Management Framework, governs, Digital Forensics>
+<Security Awareness Training, connectedTo, Security Patch Management>
+<Security Patch Management, designs, Risk Management Framework>
+<Web Application Firewall Deployment, connectedTo, Mobile Security>
diff --git a/train/diagrams/easy/diagrams_172.dot b/train/diagrams/easy/diagrams_172.dot
new file mode 100644
index 0000000000000000000000000000000000000000..852cd1d212ecef4a109d843983a690482bf1c03d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_172.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Antivirus Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+	N1 [label="User Training" color="#CB9BE1" fillcolor="#F2E6F5" shape=rectangle style=filled]
+	N2 [label="Network Security" color="#4DD0E1" fillcolor="#C9F0F0" shape=database style=filled]
+	N3 [label="Data Loss Prevention" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N4 [label="Incident Response" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N5 [label="Access Control" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N6 [label="Security Policy Development" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N7 [label="Security Patch Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N8 [label="Digital Forensics" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N9 [label="Security Operations Center Monitoring" color="#4DD0E1" fillcolor="#C9F0F0" shape=database style=filled]
+	N0 -> N1 [color="#4DD0E1" penwidth=1.5 style=solid label="advises" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4DD0E1" penwidth=1.5 style=solid label="prevents" dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CB9BE1" penwidth=1.5 style=dashed label="blocks" dir=forward]
+	N5 -> N6 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#4DD0E1" penwidth=1.5 style=dashed label="scans" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="mitigates" dir=forward]
+	N5 -> N4 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N6 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_173.txt b/train/diagrams/easy/diagrams_173.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0db69edd5825675ded13bc56a5d1f85703461952
--- /dev/null
+++ b/train/diagrams/easy/diagrams_173.txt
@@ -0,0 +1,8 @@
+<Antivirus Management, connectedTo, Phishing Simulation>
+<Application Security, updates, Security Awareness Training>
+<Compliance Monitoring, connectedTo, Antivirus Management>
+<Digital Forensics, authenticates, Phishing Simulation>
+<Digital Forensics, connectedTo, Application Security>
+<Disaster Recovery Planning, educates, Intrusion Prevention>
+<Phishing Simulation, connectedTo, Disaster Recovery Planning>
+<Security Awareness Training, designs, Compliance Monitoring>
diff --git a/train/diagrams/easy/diagrams_175.dot b/train/diagrams/easy/diagrams_175.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b231373aeb506b41838a8871c40e90160e55bfd3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_175.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Firewall Configuration" color="#9C27B0" fillcolor="#E1BEE7" shape=rectangle style=filled]
+	N1 [label="Security Awareness Training" color="#FFC107" fillcolor="#FFECB3" shape=inputoutput style=filled]
+	N2 [label="Risk Management Framework" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N3 [label="Penetration Testing" color="#9C27B0" fillcolor="#E1BEE7" shape=rectangle style=filled]
+	N4 [label="Zero Trust Architecture" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N5 [label="Identity Management" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N6 [label="Intrusion Prevention" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N7 [label="Data Loss Prevention" color="#FFC107" fillcolor="#FFECB3" shape=parallelogram style=filled]
+	N8 [label="Security Operations Center Monitoring" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N9 [label="Security Information and Event Management" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N10 [label="IoT Security" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=solid label="authorizes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#9C27B0" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N9 -> N10 [color="#9C27B0" penwidth=1.5 style=solid label="detects" dir=forward]
+	N5 -> N9 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_177.txt b/train/diagrams/easy/diagrams_177.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62bf18987ed3b2e1479c24e3bf050697f7274f35
--- /dev/null
+++ b/train/diagrams/easy/diagrams_177.txt
@@ -0,0 +1,9 @@
+<Automated Vacuum Cleaning, connectedTo, Water Heater Control>
+<Doorbell Camera Alert, connectedTo, Smoke Alarm Integration>
+<Energy Monitoring, connectedTo, Automated Vacuum Cleaning>
+<Geofencing Trigger, measures, Automated Vacuum Cleaning>
+<Geofencing Trigger, optimizes, Guest Access Management>
+<Smart Appliance Control, connectedTo, Window Sensor Monitoring>
+<Smoke Alarm Integration, diagnoses, Geofencing Trigger>
+<Water Heater Control, integrates, Doorbell Camera Alert>
+<Window Sensor Monitoring, connectedTo, Energy Monitoring>
diff --git a/train/diagrams/easy/diagrams_179.dot b/train/diagrams/easy/diagrams_179.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b9604f0de1e92996adbd00ae4c1cb226315b1efe
--- /dev/null
+++ b/train/diagrams/easy/diagrams_179.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Firmware Update" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	N1 [label="Personalized Comfort Settings" color="#00BCD4" fillcolor="#E0F7FA" shape=rect style=filled]
+	N2 [label="Sound System Integration" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N3 [label="Air Quality Monitoring" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N4 [label="Energy Consumption Optimization" color="#388E3C" fillcolor="#F1F8E9" shape=database style=filled]
+	N5 [label="Window Sensor Monitoring" color="#388E3C" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N6 [label="App Control" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N7 [label="Emergency Service Connection" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N8 [label="Smart Mirror Functionality" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N9 [label="Motion Detection" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	N10 [label="Power Outage Notification" color="#388E3C" fillcolor="#F1F8E9" shape=action style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="lights" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=dashed label="troubleshoots" dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="reports" dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> N4 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N4 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_18.dot b/train/diagrams/easy/diagrams_18.dot
new file mode 100644
index 0000000000000000000000000000000000000000..05c2ef93663e83795f5e12b0864051637f80d9f4
--- /dev/null
+++ b/train/diagrams/easy/diagrams_18.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Work_in_Progress Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=inputoutput style=filled]
+	N1 [label="Robotics Integration" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N2 [label="Product Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=rect style=filled]
+	N3 [label="Parts Replacement" color="#9FA9E1" fillcolor="#D6D9F0" shape=rectangle style=filled]
+	N4 [label="Logistics Planning" color="#9FA9E1" fillcolor="#D6D9F0" shape=predefinedprocess style=filled]
+	N5 [label="Final Testing" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N6 [label="Workflow Optimization" color="#5C6BC0" fillcolor="#E8EAF6" shape=database style=filled]
+	N7 [label="Safety Audit" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N8 [label="Shipping" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N9 [label="Painting" color="#5C6BC0" fillcolor="#E8EAF6" shape=action style=filled]
+	N0 -> N1 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="checks" dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#5C6BC0" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N6 -> N7 [color="#5C6BC0" penwidth=1.5 style=solid label="mixes" dir=forward]
+	N7 -> N8 [color="#5C6BC0" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N3 [color="#9FA9E1" penwidth=1.5 style=dashed label="designs" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_183.dot b/train/diagrams/easy/diagrams_183.dot
new file mode 100644
index 0000000000000000000000000000000000000000..86d75d684684dd0ddebd26b04d52366c0ecea6a0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_183.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Geofencing Trigger" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N1 [label="Air Quality Monitoring" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N2 [label="Elderly Care Monitoring" color="#CFCFCF" fillcolor="#F6F6F6" shape=multipledocuments style=filled]
+	N3 [label="Garage Door Control" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N4 [label="Water Heater Control" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N5 [label="Smart Mirror Functionality" color="#FFF176" fillcolor="#FFFDE7" shape=action style=filled]
+	N6 [label="Lighting Automation" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N7 [label="Smart Plug Management" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N0 -> N1 [color="#CFCFCF" penwidth=1.5 style=dashed label="heats" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=dashed label="learns" dir=forward]
+	N3 -> N4 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFF176" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="installs" dir=forward]
+	N6 -> N7 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N5 [color="#FFF176" penwidth=1.5 style=dashed label="locks" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_183.txt b/train/diagrams/easy/diagrams_183.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e6d19ca42f3ceb3102972b22927bec4a9c9273b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_183.txt
@@ -0,0 +1,8 @@
+<Air Quality Monitoring, connectedTo, Elderly Care Monitoring>
+<Elderly Care Monitoring, learns, Garage Door Control>
+<Garage Door Control, connectedTo, Water Heater Control>
+<Garage Door Control, locks, Smart Mirror Functionality>
+<Geofencing Trigger, heats, Air Quality Monitoring>
+<Lighting Automation, connectedTo, Smart Plug Management>
+<Smart Mirror Functionality, installs, Lighting Automation>
+<Water Heater Control, alerts, Smart Mirror Functionality>
diff --git a/train/diagrams/easy/diagrams_184.dot b/train/diagrams/easy/diagrams_184.dot
new file mode 100644
index 0000000000000000000000000000000000000000..09ca4234e9dc1b54b6d1d752f5a23c27f3048776
--- /dev/null
+++ b/train/diagrams/easy/diagrams_184.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Water Heater Control" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N1 [label="Home Security System Activation" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N2 [label="Scene Creation" color="#FF8A65" fillcolor="#FBE9E7" shape=document style=filled]
+	N3 [label="Child Monitoring" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N4 [label="Motion Detection" color="#FF8A65" fillcolor="#FBE9E7" shape=multipledocuments style=filled]
+	N5 [label="Smoke Alarm Integration" color="#FF8A65" fillcolor="#FBE9E7" shape=vnode_shape style=filled]
+	N6 [label="Power Outage Notification" color="#FF8A65" fillcolor="#FBE9E7" shape=action style=filled]
+	N7 [label="Device Pairing" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N8 [label="Thermostat Adjustment" color="#CFCFCF" fillcolor="#F6F6F6" shape=predefinedprocess style=filled]
+	N9 [label="Elderly Care Monitoring" color="#CFCFCF" fillcolor="#F6F6F6" shape=hexagon style=filled]
+	N10 [label="Voice Command" color="#CFCFCF" fillcolor="#F6F6F6" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=solid label="installs" dir=forward]
+	N1 -> N2 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N5 -> N6 [color="#CFCFCF" penwidth=1.5 style=solid label="notifies" dir=forward]
+	N6 -> N7 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="interacts" dir=forward]
+	N9 -> N10 [color="#CFCFCF" penwidth=1.5 style=dashed label="senses" dir=forward]
+	N6 -> N1 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N4 -> N9 [color="#FF8A65" penwidth=1.5 style=dashed label="opens" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_188.dot b/train/diagrams/easy/diagrams_188.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4f5d91967267ed39bb9d4697a98b10ffe91c6483
--- /dev/null
+++ b/train/diagrams/easy/diagrams_188.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="E_governance Services" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N1 [label="Air Quality Index Reporting" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N2 [label="Traffic Flow Optimization" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N3 [label="Smart Street Furniture" color="#AB47BC" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N4 [label="Waste Recycling Program" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N5 [label="Waste Management Optimization" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N6 [label="Energy Grid Management" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N7 [label="Sustainable Resource Management" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N8 [label="Disaster Resilience Planning" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N9 [label="Noise Pollution Monitoring" color="#4FC3F7" fillcolor="#E1F5FE" shape=inputoutput style=filled]
+	N10 [label="Public Safety Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N11 [label="Water Management System" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N3 -> N4 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#9FA9E1" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="lights" dir=forward]
+	N9 -> N10 [color="#9FA9E1" penwidth=1.5 style=solid label="resources" dir=forward]
+	N10 -> N11 [color="#4FC3F7" penwidth=1.5 style=dashed label="sustains" dir=forward]
+	N10 -> N3 [color="#AB47BC" penwidth=1.5 style=dashed label="maintains" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_19.txt b/train/diagrams/easy/diagrams_19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3515733b41d4a3952e67a8ebd1a0884374c93e29
--- /dev/null
+++ b/train/diagrams/easy/diagrams_19.txt
@@ -0,0 +1,9 @@
+<Automated Assembly, connectedTo, Storage>
+<Factory Layout Planning, maintains, Automated Assembly>
+<Product Design, receives, Workflow Optimization>
+<Storage, connectedTo, Yield Optimization>
+<Supplier Qualification, molds, Factory Layout Planning>
+<Tool Path Generation, analyzes, Product Design>
+<Tool Path Generation, connectedTo, Factory Layout Planning>
+<Workflow Optimization, transports, Tool Path Generation>
+<Yield Optimization, innovates, Product Design>
diff --git a/train/diagrams/easy/diagrams_190.dot b/train/diagrams/easy/diagrams_190.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0335bee990efee459814c66a808eed510abc9a11
--- /dev/null
+++ b/train/diagrams/easy/diagrams_190.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Urban Agriculture Support" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N1 [label="Public Safety Monitoring" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N2 [label="Air Quality Index Reporting" color="#2196F3" fillcolor="#BBDEFB" shape=rectangle style=filled]
+	N3 [label="Infrastructure Maintenance Alert" color="#673AB7" fillcolor="#D1C4E9" shape=rect style=filled]
+	N4 [label="Public Transport Tracking" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N5 [label="Data Privacy Protection" color="#673AB7" fillcolor="#D1C4E9" shape=rect style=filled]
+	N6 [label="Smart Water Meters" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N7 [label="Sustainable Resource Management" color="#673AB7" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N8 [label="Smart Building Integration" color="#673AB7" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N9 [label="Disaster Resilience Planning" color="#2196F3" fillcolor="#BBDEFB" shape=rectangle style=filled]
+	N10 [label="Smart Traffic Lights" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N11 [label="Emergency Response System" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="services" dir=forward]
+	N2 -> N3 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#673AB7" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N4 -> N5 [color="#673AB7" penwidth=1.5 style=dashed label="builds" dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#673AB7" penwidth=1.5 style=dashed label="routes" dir=forward]
+	N8 -> N9 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#673AB7" penwidth=1.5 style=dashed label="engages" dir=forward]
+	N10 -> N11 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N1 [color="#673AB7" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N9 -> N11 [color="#92C79A" penwidth=1.5 style=solid label="monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_190.txt b/train/diagrams/easy/diagrams_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..294c4bb2c9b5c5c97b495b0a92d2f8819ac157e7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_190.txt
@@ -0,0 +1,13 @@
+<Air Quality Index Reporting, connectedTo, Infrastructure Maintenance Alert>
+<Data Privacy Protection, maintains, Smart Water Meters>
+<Disaster Resilience Planning, engages, Smart Traffic Lights>
+<Disaster Resilience Planning, monitors, Emergency Response System>
+<Infrastructure Maintenance Alert, protects, Public Transport Tracking>
+<Public Safety Monitoring, services, Air Quality Index Reporting>
+<Public Transport Tracking, builds, Data Privacy Protection>
+<Public Transport Tracking, regulates, Public Safety Monitoring>
+<Smart Building Integration, connectedTo, Disaster Resilience Planning>
+<Smart Traffic Lights, connectedTo, Emergency Response System>
+<Smart Water Meters, connectedTo, Sustainable Resource Management>
+<Sustainable Resource Management, routes, Smart Building Integration>
+<Urban Agriculture Support, communicates, Public Safety Monitoring>
diff --git a/train/diagrams/easy/diagrams_191.txt b/train/diagrams/easy/diagrams_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52acd2fbc7f158fca58f10b1968562a303e5ca0f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_191.txt
@@ -0,0 +1,10 @@
+<Air Quality Index Reporting, audits, Public Wi_Fi Deployment>
+<Energy Grid Management, builds, Air Quality Index Reporting>
+<Infrastructure Maintenance Alert, connectedTo, Energy Grid Management>
+<Infrastructure Maintenance Alert, lights, Urban Planning Data Analysis>
+<Public Health Monitoring, connectedTo, Infrastructure Maintenance Alert>
+<Public Wi_Fi Deployment, routes, Water Management System>
+<Smart Education Initiatives, connectedTo, Energy Grid Management>
+<Urban Planning Data Analysis, collects, Smart Education Initiatives>
+<Urban Planning Data Analysis, connectedTo, Public Health Monitoring>
+<Water Management System, connectedTo, Digital Twins of City>
diff --git a/train/diagrams/easy/diagrams_192.txt b/train/diagrams/easy/diagrams_192.txt
new file mode 100644
index 0000000000000000000000000000000000000000..15e64ed4d34a790679a8687da38a59dfa7ec0ae1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_192.txt
@@ -0,0 +1,9 @@
+<Air Quality Index Reporting, lights, Smart Parking>
+<Disaster Resilience Planning, protects, Air Quality Index Reporting>
+<Public Safety Monitoring, connectedTo, Smart Building Integration>
+<Public Transport Tracking, designs, Public Safety Monitoring>
+<Smart Building Integration, connectedTo, Smart Education Initiatives>
+<Smart Building Integration, connectedTo, Waste Recycling Program>
+<Smart Education Initiatives, measures, Disaster Resilience Planning>
+<Smart Parking, connectedTo, Smart Street Furniture>
+<Waste Recycling Program, analyzes, Smart Education Initiatives>
diff --git a/train/diagrams/easy/diagrams_194.txt b/train/diagrams/easy/diagrams_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..730a1e53cd50046963c888c76edbce17ad4ca74d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_194.txt
@@ -0,0 +1,11 @@
+<Assay Development, designs, Vaccine Development>
+<Assay Development, tests, Nanobiotechnology Application>
+<Bioimaging, validates, Monoclonal Antibody Production>
+<Biomanufacturing Scale_up, connectedTo, Nanobiotechnology Application>
+<Biomarker Discovery, connectedTo, Assay Development>
+<Bioprocess Optimization, educates, Gene Therapy Delivery>
+<Gene Therapy Delivery, connectedTo, Biomarker Discovery>
+<Monoclonal Antibody Production, models, Biomanufacturing Scale_up>
+<Nanobiotechnology Application, simulates, Bioprocess Optimization>
+<Synthetic Biology Design, connectedTo, Bioimaging>
+<Vaccine Development, licenses, Preclinical Testing>
diff --git a/train/diagrams/easy/diagrams_196.dot b/train/diagrams/easy/diagrams_196.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d4946dcc6ff929e863a1ec9472360f63fbf193b2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_196.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Ethical Review Board Approval" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N1 [label="CRISPR Technology Application" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N2 [label="Preclinical Testing" color="#C2B2F0" fillcolor="#EFE6FF" shape=preparation style=filled]
+	N3 [label="Computational Biology Modeling" color="#73C6BC" fillcolor="#D0EFEE" shape=document style=filled]
+	N4 [label="Clinical Trial Design" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N5 [label="Bioinformatics Analysis" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N6 [label="Biosensor Development" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N7 [label="Bioprocess Optimization" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N8 [label="Clinical Data Interpretation" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N9 [label="Diagnostic Test Development" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A2D0FF" penwidth=1.5 style=solid label="researches" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="designs" dir=forward]
+	N3 -> N4 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A2D0FF" penwidth=1.5 style=solid label="isolates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=dashed label="collaborates" dir=forward]
+	N7 -> N8 [color="#A2D0FF" penwidth=1.5 style=solid label="manipulates" dir=forward]
+	N8 -> N9 [color="#73C6BC" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N4 -> N1 [color="#000000" penwidth=1.5 style=dashed label="engineers" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_197.dot b/train/diagrams/easy/diagrams_197.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6ec266423c23def70f704e57e759da1d6acc6311
--- /dev/null
+++ b/train/diagrams/easy/diagrams_197.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Assay Development" color="#AB47BC" fillcolor="#F3E5F5" shape=document style=filled]
+	N1 [label="Diagnostic Test Development" color="#73C6BC" fillcolor="#D0EFEE" shape=database style=filled]
+	N2 [label="Computational Biology Modeling" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N3 [label="Biomarker Discovery" color="#AB47BC" fillcolor="#F3E5F5" shape=document style=filled]
+	N4 [label="Biomanufacturing Scale_up" color="#AB47BC" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N5 [label="Synthetic Biology Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N6 [label="Bioinformatics Analysis" color="#AB47BC" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N7 [label="Monoclonal Antibody Production" color="#CD8FF2" fillcolor="#ECCFF5" shape=action style=filled]
+	N8 [label="Clinical Trial Design" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N9 [label="Biosensor Development" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N10 [label="Lab Automation" color="#AB47BC" fillcolor="#F3E5F5" shape=action style=filled]
+	N0 -> N1 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#CD8FF2" penwidth=1.5 style=solid label="automates" dir=forward]
+	N2 -> N3 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#73C6BC" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N4 -> N5 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#AB47BC" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=solid label="cultures" dir=forward]
+	N8 -> N9 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N5 -> N9 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_197.txt b/train/diagrams/easy/diagrams_197.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7da9784ee94b3d9c3d2e594d16dcf949e7c469e2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_197.txt
@@ -0,0 +1,11 @@
+<Assay Development, connectedTo, Diagnostic Test Development>
+<Bioinformatics Analysis, connectedTo, Monoclonal Antibody Production>
+<Biomanufacturing Scale_up, connectedTo, Synthetic Biology Design>
+<Biomarker Discovery, analyzes, Biomanufacturing Scale_up>
+<Biosensor Development, licenses, Lab Automation>
+<Clinical Trial Design, connectedTo, Biosensor Development>
+<Computational Biology Modeling, connectedTo, Biomarker Discovery>
+<Diagnostic Test Development, automates, Computational Biology Modeling>
+<Monoclonal Antibody Production, cultures, Clinical Trial Design>
+<Synthetic Biology Design, collaborates, Bioinformatics Analysis>
+<Synthetic Biology Design, connectedTo, Biosensor Development>
diff --git a/train/diagrams/easy/diagrams_199.dot b/train/diagrams/easy/diagrams_199.dot
new file mode 100644
index 0000000000000000000000000000000000000000..80a4a1ce14ebc7cb42be59f392d0f67366adcb45
--- /dev/null
+++ b/train/diagrams/easy/diagrams_199.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Computational Biology Modeling" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+	N1 [label="Clinical Trial Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N2 [label="Lab Automation" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N3 [label="Target Identification" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N4 [label="Drug Repurposing" color="#795548" fillcolor="#D7CCC8" shape=rectangle style=filled]
+	N5 [label="Bioprocess Optimization" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N6 [label="Diagnostic Test Development" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N7 [label="Environmental Bioremediation" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N8 [label="Pharmacogenomics" color="#795548" fillcolor="#D7CCC8" shape=predefinedprocess style=filled]
+	N9 [label="Tissue Engineering" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N0 -> N1 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="delivers" dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=dashed label="cultures" dir=forward]
+	N7 -> N8 [color="#8C9EFF" penwidth=1.5 style=dashed label="manipulates" dir=forward]
+	N8 -> N9 [color="#8C9EFF" penwidth=1.5 style=dashed label="grows" dir=forward]
+	N3 -> N9 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_202.txt b/train/diagrams/easy/diagrams_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3af64e2e9accfe2de066e6e4c0ffcb91af5601eb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_202.txt
@@ -0,0 +1,12 @@
+<Audit Management, connectedTo, Global Regulatory Affairs>
+<Clinical Trial Phases, connectedTo, Supply Chain Management>
+<Compound Synthesis, connectedTo, Process Validation>
+<Drug Repurposing, inspects, Audit Management>
+<Health Economics Outcomes Research, connectedTo, Clinical Trial Phases>
+<Patient Adherence Programs, synthesizes, Solid Dosage Formulation>
+<Post_Marketing Surveillance, optimizes, Health Economics Outcomes Research>
+<Process Validation, connectedTo, Patient Adherence Programs>
+<Sales and Marketing Strategy, approves, Drug Repurposing>
+<Solid Dosage Formulation, connectedTo, Sales and Marketing Strategy>
+<Solid Dosage Formulation, monitors, Global Regulatory Affairs>
+<Supply Chain Management, connectedTo, Compound Synthesis>
diff --git a/train/diagrams/easy/diagrams_204.txt b/train/diagrams/easy/diagrams_204.txt
new file mode 100644
index 0000000000000000000000000000000000000000..06b3db833ce762d6256f34bc0f3bc42f61c3171c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_204.txt
@@ -0,0 +1,8 @@
+<Audit Management, connectedTo, Cold Chain Logistics>
+<Audit Management, stores, Clinical Supply Management>
+<Cold Chain Logistics, connectedTo, Pharmacovigilance>
+<Drug Stability Testing, markets, Audit Management>
+<Market Access Strategy, connectedTo, Cold Chain Logistics>
+<Patient Adherence Programs, trials, Drug Stability Testing>
+<Pharmacovigilance, connectedTo, Supply Chain Management>
+<Supply Chain Management, reports, Patient Adherence Programs>
diff --git a/train/diagrams/easy/diagrams_205.txt b/train/diagrams/easy/diagrams_205.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f4137bef562f21d88866845ad296e6fff467d19a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_205.txt
@@ -0,0 +1,8 @@
+<Active Pharmaceutical Ingredient Production, markets, Post_Approval Commitment Tracking>
+<Drug Device Combination, stores, Post_Approval Commitment Tracking>
+<Drug Research, manufactures, Formulation Development>
+<Formulation Development, innovates, Sales and Marketing Strategy>
+<Post_Approval Commitment Tracking, synthesizes, Drug Device Combination>
+<Process Validation, connectedTo, Sterile Product Filling>
+<Sales and Marketing Strategy, connectedTo, Active Pharmaceutical Ingredient Production>
+<Sterile Product Filling, connectedTo, Drug Research>
diff --git a/train/diagrams/easy/diagrams_208.dot b/train/diagrams/easy/diagrams_208.dot
new file mode 100644
index 0000000000000000000000000000000000000000..835873d9e1a05824546b7721d8ab548cc2bc85ce
--- /dev/null
+++ b/train/diagrams/easy/diagrams_208.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Distribution" color="#CDDC39" fillcolor="#E6EE9C" shape=vnode_shape style=filled]
+	N1 [label="Clinical Trial Phases" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N2 [label="Regulatory Approval" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N3 [label="Process Validation" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+	N4 [label="Formulation Development" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N5 [label="Medical Writing" color="#AB47BC" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N6 [label="Pharmacovigilance" color="#6EB76D" fillcolor="#E9F7E8" shape=predefinedprocess style=filled]
+	N7 [label="Manufacturing Scale_up" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N8 [label="Sterile Product Filling" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N9 [label="Active Pharmaceutical Ingredient Production" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+	N10 [label="Preclinical Testing" color="#AB47BC" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N11 [label="Solid Dosage Formulation" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=solid label="recalls" dir=forward]
+	N2 -> N3 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#CDDC39" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N4 -> N5 [color="#AB47BC" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N5 -> N6 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=dashed label="evaluates" dir=forward]
+	N8 -> N9 [color="#AB47BC" penwidth=1.5 style=solid label="prescribes" dir=forward]
+	N9 -> N10 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#CDDC39" penwidth=1.5 style=dashed label="partners" dir=forward]
+	N11 -> N0 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N7 [color="#AB47BC" penwidth=1.5 style=dashed label="researches" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_210.dot b/train/diagrams/easy/diagrams_210.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8a45617d49c60b50c7e77dcde1d30c6a6dc7eaf9
--- /dev/null
+++ b/train/diagrams/easy/diagrams_210.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="System Integration" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N1 [label="Wireless Communication" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N2 [label="End_Effector Design" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N3 [label="Artificial Intelligence Integration" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N4 [label="Machine Vision" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N5 [label="Force Control" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N6 [label="Grasping and Manipulation" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N7 [label="Agricultural Robotics" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N8 [label="Robotics Simulation" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N9 [label="Exoskeleton Development" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N10 [label="Field Deployment" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=solid label="secures" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=solid label="controls" dir=forward]
+	N3 -> N4 [color="#E91E63" penwidth=1.5 style=solid label="researches" dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid label="tests" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="transports" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N5 [color="#E91E63" penwidth=1.5 style=dashed label="communicates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_213.dot b/train/diagrams/easy/diagrams_213.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3d4efa6a0eac25caed0f6acde85fbac3df59f816
--- /dev/null
+++ b/train/diagrams/easy/diagrams_213.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Robotics Simulation" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N1 [label="Force Control" color="#9FA9E1" fillcolor="#D6D9F0" shape=rect style=filled]
+	N2 [label="Embedded Systems Development" color="#00BCD4" fillcolor="#E0F7FA" shape=inputoutput style=filled]
+	N3 [label="Grasping and Manipulation" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N4 [label="Kinematics and Dynamics" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N5 [label="Ethical Robotics Development" color="#FF9800" fillcolor="#FFE0B2" shape=rect style=filled]
+	N6 [label="Artificial Intelligence Integration" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N7 [label="Agricultural Robotics" color="#00BCD4" fillcolor="#E0F7FA" shape=rectangle style=filled]
+	N8 [label="Actuator Control" color="#9FA9E1" fillcolor="#D6D9F0" shape=predefinedprocess style=filled]
+	N9 [label="Field Deployment" color="#9FA9E1" fillcolor="#D6D9F0" shape=rectangle style=filled]
+	N10 [label="Sensor Integration" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#9FA9E1" penwidth=1.5 style=dashed label="senses" dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="assembles" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N9 -> N10 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N0 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_213.txt b/train/diagrams/easy/diagrams_213.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c28c92eaccf5bd7d0d8d0584f5e41d24864f239d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_213.txt
@@ -0,0 +1,11 @@
+<Actuator Control, optimizes, Field Deployment>
+<Agricultural Robotics, assembles, Actuator Control>
+<Artificial Intelligence Integration, connectedTo, Agricultural Robotics>
+<Embedded Systems Development, simulates, Grasping and Manipulation>
+<Ethical Robotics Development, connectedTo, Artificial Intelligence Integration>
+<Field Deployment, connectedTo, Sensor Integration>
+<Force Control, connectedTo, Embedded Systems Development>
+<Grasping and Manipulation, collaborates, Kinematics and Dynamics>
+<Kinematics and Dynamics, integrates, Ethical Robotics Development>
+<Robotics Simulation, connectedTo, Grasping and Manipulation>
+<Robotics Simulation, senses, Force Control>
diff --git a/train/diagrams/easy/diagrams_215.txt b/train/diagrams/easy/diagrams_215.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5880811798ebd3e38eb2973d715ef78b03d896ff
--- /dev/null
+++ b/train/diagrams/easy/diagrams_215.txt
@@ -0,0 +1,9 @@
+<Artificial Intelligence Integration, models, Autonomous Navigation>
+<Autonomous Navigation, inspects, Swarm Robotics>
+<Ethical Robotics Development, automates, Swarm Robotics>
+<Ethical Robotics Development, connectedTo, Robot Assembly>
+<Fault Detection and Diagnosis, connectedTo, Learning Algorithms>
+<Learning Algorithms, moves, Artificial Intelligence Integration>
+<Machine Vision, connectedTo, Fault Detection and Diagnosis>
+<Robot Assembly, applies, Wireless Communication>
+<Wireless Communication, connectedTo, Machine Vision>
diff --git a/train/diagrams/easy/diagrams_216.dot b/train/diagrams/easy/diagrams_216.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3ecbd73ba47f1a3fa6a47f60af8ef8c71d832e5e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_216.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Underwater Robotics" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+	N1 [label="Wireless Communication" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	N2 [label="Force Control" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N3 [label="Robot Assembly" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N4 [label="Ethical Robotics Development" color="#BDAFA8" fillcolor="#E4E0DF" shape=preparation style=filled]
+	N5 [label="Actuator Control" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N6 [label="Fault Detection and Diagnosis" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+	N7 [label="Safety System Implementation" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N8 [label="Robot Fleet Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=preparation style=filled]
+	N9 [label="Path Planning" color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
+	N10 [label="Medical Robotics" color="#BDAFA8" fillcolor="#E4E0DF" shape=rect style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N1 -> N2 [color="#BDAFA8" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="manipulates" dir=forward]
+	N3 -> N4 [color="#E91E63" penwidth=1.5 style=solid label="controls" dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid label="applies" dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_216.txt b/train/diagrams/easy/diagrams_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bcb09920d9f1d519465d2d7bb1ab50cebf3f767b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_216.txt
@@ -0,0 +1,11 @@
+<Actuator Control, updates, Fault Detection and Diagnosis>
+<Ethical Robotics Development, applies, Actuator Control>
+<Fault Detection and Diagnosis, connectedTo, Safety System Implementation>
+<Force Control, manipulates, Robot Assembly>
+<Path Planning, connectedTo, Medical Robotics>
+<Robot Assembly, controls, Ethical Robotics Development>
+<Robot Fleet Management, connectedTo, Path Planning>
+<Safety System Implementation, connectedTo, Robot Fleet Management>
+<Underwater Robotics, optimizes, Wireless Communication>
+<Wireless Communication, connectedTo, Path Planning>
+<Wireless Communication, repairs, Force Control>
diff --git a/train/diagrams/easy/diagrams_217.txt b/train/diagrams/easy/diagrams_217.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3362abbc2fea9eebb3dea0fb0df840e8a43bb48d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_217.txt
@@ -0,0 +1,9 @@
+<Demolition, connectedTo, Excavation>
+<Excavation, secures, Foundation Laying>
+<Facade Installation, connectedTo, Permit Application>
+<Foundation Laying, surveys, Blueprint Review>
+<Permit Application, connectedTo, Site Logistics>
+<Project Scheduling, installs, Permit Application>
+<Project Scheduling, repairs, Road Construction>
+<Road Construction, manages, Facade Installation>
+<Site Logistics, develops, Demolition>
diff --git a/train/diagrams/easy/diagrams_218.dot b/train/diagrams/easy/diagrams_218.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f203dafd835b1b73e380033192808b87f3cad51a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_218.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Robotics in Construction" color="#FFA726" fillcolor="#FFF3E0" shape=document style=filled]
+	N1 [label="Risk Assessment" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
+	N2 [label="Concrete Pouring" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N3 [label="Blueprint Review" color="#26A69A" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N4 [label="Site Decontamination" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N5 [label="Electrical Wiring" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N6 [label="Post_Construction Handover" color="#F44336" fillcolor="#FFCDD2" shape=action style=filled]
+	N7 [label="Pre_fabrication" color="#26A69A" fillcolor="#E0F2F1" shape=action style=filled]
+	N8 [label="Facade Installation" color="#F44336" fillcolor="#FFCDD2" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=solid label="excavates" dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=dashed label="contracts" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="repairs" dir=forward]
+	N0 -> N8 [color="#FFA726" penwidth=1.5 style=solid label="measures" dir=forward]
+	N6 -> N8 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_218.txt b/train/diagrams/easy/diagrams_218.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b93b3470a93f37c7440293b25f3b31a484972b3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_218.txt
@@ -0,0 +1,10 @@
+<Blueprint Review, plans, Site Decontamination>
+<Concrete Pouring, connectedTo, Blueprint Review>
+<Electrical Wiring, connectedTo, Post_Construction Handover>
+<Post_Construction Handover, connectedTo, Facade Installation>
+<Post_Construction Handover, connectedTo, Pre_fabrication>
+<Pre_fabrication, repairs, Facade Installation>
+<Risk Assessment, contracts, Concrete Pouring>
+<Robotics in Construction, excavates, Risk Assessment>
+<Robotics in Construction, measures, Facade Installation>
+<Site Decontamination, connectedTo, Electrical Wiring>
diff --git a/train/diagrams/easy/diagrams_219.dot b/train/diagrams/easy/diagrams_219.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e91284dba4ec65797c893578ae72f206c01d8598
--- /dev/null
+++ b/train/diagrams/easy/diagrams_219.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Budget Tracking" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N1 [label="Facade Installation" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N2 [label="Occupancy Permit Acquisition" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N3 [label="Site Decontamination" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N4 [label="Electrical Wiring" color="#4DD0E1" fillcolor="#C9F0F0" shape=diamond style=filled]
+	N5 [label="Post_Construction Handover" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N6 [label="Site Planning" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N7 [label="Project Scheduling" color="#66BB6A" fillcolor="#E8F5E9" shape=parallelogram style=filled]
+	N8 [label="Sustainable Building Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N9 [label="Drone Surveying" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=dashed label="constructs" dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid label="materials" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=solid label="pours" dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=solid label="permits" dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#66BB6A" penwidth=1.5 style=dashed label="grades" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N1 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_22.txt b/train/diagrams/easy/diagrams_22.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9edd42f6ab3d8fb47ea182d9dfd187b31774385b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_22.txt
@@ -0,0 +1,11 @@
+<Factory Layout Planning, connectedTo, Inspection>
+<Inspection, connectedTo, Workflow Optimization>
+<Logistics Planning, welds, Recycling Process>
+<Packaging, connectedTo, Work_in_Progress Monitoring>
+<Production Scheduling, maintains, Packaging>
+<Recycling Process, connectedTo, Production Scheduling>
+<Recycling Process, improves, Work_in_Progress Monitoring>
+<Robotics Integration, connectedTo, Factory Layout Planning>
+<Storage, designs, Robotics Integration>
+<Work_in_Progress Monitoring, plans, Serialization>
+<Workflow Optimization, connectedTo, Logistics Planning>
diff --git a/train/diagrams/easy/diagrams_221.txt b/train/diagrams/easy/diagrams_221.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b3fc6535d0ca4104b88471900105523788902468
--- /dev/null
+++ b/train/diagrams/easy/diagrams_221.txt
@@ -0,0 +1,13 @@
+<Equipment Mobilization, surveys, Landscape Design>
+<HVAC Installation, connectedTo, Subcontractor Management>
+<HVAC Installation, plans, Site Logistics>
+<Interior Finishing, renovates, Subcontractor Management>
+<Landscape Design, coordinates, Robotics in Construction>
+<Occupancy Permit Acquisition, connectedTo, Quality Assurance>
+<Plumbing Work, measures, Utility Connection>
+<Quality Assurance, connectedTo, Interior Finishing>
+<Robotics in Construction, connectedTo, HVAC Installation>
+<Subcontractor Management, connectedTo, Waste Management>
+<Utility Connection, frames, Subcontractor Management>
+<Utility Connection, secures, Occupancy Permit Acquisition>
+<Waste Management, acquires, Equipment Mobilization>
diff --git a/train/diagrams/easy/diagrams_223.dot b/train/diagrams/easy/diagrams_223.dot
new file mode 100644
index 0000000000000000000000000000000000000000..653b7fad0355e70d4178d5c40488bacd66d5b490
--- /dev/null
+++ b/train/diagrams/easy/diagrams_223.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Safety Inspection" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N1 [label="Interior Finishing" color="#FFC085" fillcolor="#FFDAB9" shape=database style=filled]
+	N2 [label="Project Scheduling" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N3 [label="Equipment Mobilization" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N4 [label="Risk Assessment" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+	N5 [label="Structural Framing" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N6 [label="Drone Surveying" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N7 [label="Site Logistics" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N8 [label="Facade Installation" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N9 [label="Quality Assurance" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid label="audits" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="documents" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFDA4E" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed label="pours" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFC085" penwidth=1.5 style=solid label="measures" dir=forward]
+	N9 -> N5 [color="#FFDA4E" penwidth=1.5 style=dashed label="designs" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_226.txt b/train/diagrams/easy/diagrams_226.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eca9360cbe801fcb853ffe804efb4dc6f57a88d4
--- /dev/null
+++ b/train/diagrams/easy/diagrams_226.txt
@@ -0,0 +1,11 @@
+<Analytics Reporting, connectedTo, Virtual Reality Content Creation>
+<Audience Engagement, curates, Analytics Reporting>
+<Broadcasting, streams, Live Streaming>
+<Cross_Platform Syndication, connectedTo, Broadcasting>
+<Event Organization, connectedTo, Audience Engagement>
+<Game Streaming, records, Interactive Storytelling>
+<Live Streaming, connectedTo, Game Streaming>
+<Media Consumption Trends Analysis, engages, Virtual Reality Content Creation>
+<Media Consumption Trends Analysis, responds, Cross_Platform Syndication>
+<Public Relations, interviews, Media Consumption Trends Analysis>
+<Virtual Reality Content Creation, audits, Public Relations>
diff --git a/train/diagrams/easy/diagrams_227.txt b/train/diagrams/easy/diagrams_227.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10d9b62025446df5f36677e5fc8f3145b96d8cd9
--- /dev/null
+++ b/train/diagrams/easy/diagrams_227.txt
@@ -0,0 +1,11 @@
+<Advertising Sales, connectedTo, Public Relations>
+<Brand Partnerships, complies, Editing>
+<Broadcasting, connectedTo, Augmented Reality Experiences>
+<Editing, composes, Journalism>
+<Game Streaming, connectedTo, Advertising Sales>
+<Game Streaming, monetizes, Brand Partnerships>
+<Journalism, connectedTo, Broadcasting>
+<Public Relations, promotes, Brand Partnerships>
+<Publishing, streams, Social Media Management>
+<Publishing, writes, Journalism>
+<Social Media Management, mixes, Game Streaming>
diff --git a/train/diagrams/easy/diagrams_228.txt b/train/diagrams/easy/diagrams_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92d597a7a0660a9857dc028abf518f2b4e548725
--- /dev/null
+++ b/train/diagrams/easy/diagrams_228.txt
@@ -0,0 +1,12 @@
+<Audience Engagement, connectedTo, Talent Management>
+<Audience Segmentation, develops, Brand Partnerships>
+<Brand Partnerships, films, Audience Engagement>
+<Copyright Management, connectedTo, Digital Marketing>
+<Digital Marketing, connectedTo, Audience Segmentation>
+<Event Organization, connectedTo, Game Streaming>
+<Film Production, connectedTo, Copyright Management>
+<Game Streaming, connectedTo, Virtual Reality Content Creation>
+<Radio Programming, distributes, Copyright Management>
+<Radio Programming, licenses, Event Organization>
+<Radio Programming, photographs, Talent Management>
+<Virtual Reality Content Creation, complies, Film Production>
diff --git a/train/diagrams/easy/diagrams_231.dot b/train/diagrams/easy/diagrams_231.dot
new file mode 100644
index 0000000000000000000000000000000000000000..045324dd674bb69e3c405dd76b25dfceff2344e1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_231.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Content Creation" color="#4DD0E1" fillcolor="#C9F0F0" shape=inputoutput style=filled]
+	N1 [label="Interactive Storytelling" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N2 [label="Advertising Sales" color="#EAEFA5" fillcolor="#FDFCEB" shape=predefinedprocess style=filled]
+	N3 [label="Digital Marketing" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N4 [label="Distribution" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N5 [label="User Generated Content Curation" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N6 [label="Music Recording" color="#03A9F4" fillcolor="#B3E5FC" shape=database style=filled]
+	N7 [label="Public Relations" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="composes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4DD0E1" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=solid label="creates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="animates" dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=solid label="mixes" dir=forward]
+	N6 -> N7 [color="#03A9F4" penwidth=1.5 style=dashed label="records" dir=forward]
+	N6 -> N0 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_232.dot b/train/diagrams/easy/diagrams_232.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ee08da88ea63e49deb6fd0ff8d85097e4216d139
--- /dev/null
+++ b/train/diagrams/easy/diagrams_232.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Augmented Reality Experiences" color="#CD8FF2" fillcolor="#ECCFF5" shape=rect style=filled]
+	N1 [label="Podcast Production" color="#BDBDBD" fillcolor="#F5F5F5" shape=inputoutput style=filled]
+	N2 [label="Talent Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N3 [label="User Generated Content Curation" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N4 [label="Interactive Storytelling" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N5 [label="Data Monetization" color="#795548" fillcolor="#D7CCC8" shape=rectangle style=filled]
+	N6 [label="Content Moderation" color="#BDBDBD" fillcolor="#F5F5F5" shape=diamond style=filled]
+	N7 [label="Public Relations" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N8 [label="Sound Design" color="#795548" fillcolor="#D7CCC8" shape=action style=filled]
+	N0 -> N1 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#CD8FF2" penwidth=1.5 style=solid label="designs" dir=forward]
+	N2 -> N3 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="writes" dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=dashed label="animates" dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=dashed label="collects" dir=forward]
+	N6 -> N7 [color="#BDBDBD" penwidth=1.5 style=dashed label="moderates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N2 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N0 [color="#795548" penwidth=1.5 style=solid label="licenses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_232.txt b/train/diagrams/easy/diagrams_232.txt
new file mode 100644
index 0000000000000000000000000000000000000000..06c3485c7be3ae62c0b1ca8629d35047893add7f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_232.txt
@@ -0,0 +1,10 @@
+<Augmented Reality Experiences, connectedTo, Podcast Production>
+<Content Moderation, moderates, Public Relations>
+<Data Monetization, collects, Content Moderation>
+<Interactive Storytelling, animates, Data Monetization>
+<Interactive Storytelling, connectedTo, Talent Management>
+<Interactive Storytelling, licenses, Augmented Reality Experiences>
+<Podcast Production, designs, Talent Management>
+<Public Relations, connectedTo, Sound Design>
+<Talent Management, connectedTo, User Generated Content Curation>
+<User Generated Content Curation, writes, Interactive Storytelling>
diff --git a/train/diagrams/easy/diagrams_233.dot b/train/diagrams/easy/diagrams_233.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1a3c3b0350250cfb4735f0bed7a515116f5884e3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_233.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Beverage Production" color="#4CAF50" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N1 [label="Nutrition Analysis" color="#5C6BC0" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N2 [label="Service Delivery" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N3 [label="Supply Chain Traceability" color="#4CAF50" fillcolor="#C8E6C9" shape=inputoutput style=filled]
+	N4 [label="Food Preparation" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N5 [label="Recipe Development" color="#388E3C" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N6 [label="Ingredient Traceability" color="#4CAF50" fillcolor="#C8E6C9" shape=database style=filled]
+	N7 [label="Regulatory Compliance" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N8 [label="Ingredient Sourcing" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N9 [label="Brewing" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N0 -> N1 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=solid label="chills" dir=forward]
+	N4 -> N5 [color="#5C6BC0" penwidth=1.5 style=solid label="recipes" dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="sells" dir=forward]
+	N6 -> N7 [color="#5C6BC0" penwidth=1.5 style=solid label="processes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N8 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N0 -> N4 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_236.dot b/train/diagrams/easy/diagrams_236.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a988a666a3f9acf1625cf05bdb9fc33eb92f40bb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_236.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Packaging" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N1 [label="Supply Chain Traceability" color="#4DD0E1" fillcolor="#C9F0F0" shape=rect style=filled]
+	N2 [label="Ingredient Traceability" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+	N3 [label="Food Processing Automation" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N4 [label="Service Delivery" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N5 [label="Supplier Management" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N6 [label="Branding and Marketing" color="#94C0C0" fillcolor="#CADEDE" shape=preparation style=filled]
+	N7 [label="Restaurant Reservation System" color="#94C0C0" fillcolor="#CADEDE" shape=database style=filled]
+	N8 [label="Food Packaging Design" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N9 [label="Restaurant Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N10 [label="Brewing" color="#94C0C0" fillcolor="#CADEDE" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="sanitizes" dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="grows" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=solid label="ingredients" dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=solid label="sells" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N8 -> N7 [color="#81C784" penwidth=1.5 style=solid label="nutrifies" dir=forward]
+	N5 -> N7 [color="#94C0C0" penwidth=1.5 style=dashed label="certifies" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_236.txt b/train/diagrams/easy/diagrams_236.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39b3e35a1f96111922317da320f0d28a270a2199
--- /dev/null
+++ b/train/diagrams/easy/diagrams_236.txt
@@ -0,0 +1,12 @@
+<Branding and Marketing, grows, Restaurant Reservation System>
+<Food Packaging Design, nutrifies, Restaurant Reservation System>
+<Food Packaging Design, sells, Restaurant Management>
+<Food Processing Automation, connectedTo, Service Delivery>
+<Ingredient Traceability, connectedTo, Food Processing Automation>
+<Packaging, sanitizes, Supply Chain Traceability>
+<Restaurant Management, innovates, Brewing>
+<Restaurant Reservation System, ingredients, Food Packaging Design>
+<Service Delivery, connectedTo, Supplier Management>
+<Supplier Management, certifies, Restaurant Reservation System>
+<Supplier Management, connectedTo, Branding and Marketing>
+<Supply Chain Traceability, distributes, Ingredient Traceability>
diff --git a/train/diagrams/easy/diagrams_238.dot b/train/diagrams/easy/diagrams_238.dot
new file mode 100644
index 0000000000000000000000000000000000000000..086a19f63d08a5da598c962f16602a3348b41873
--- /dev/null
+++ b/train/diagrams/easy/diagrams_238.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Customer Order Taking" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N1 [label="Ingredient Traceability" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N2 [label="Supply Chain Traceability" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N3 [label="Food Waste Management System" color="#FF9800" fillcolor="#FFE0B2" shape=rectangle style=filled]
+	N4 [label="Inventory Management" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N5 [label="Storage Solutions" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N6 [label="Cooking" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N7 [label="Sensory Evaluation" color="#4DB6AC" fillcolor="#E0F2F1" shape=rect style=filled]
+	N8 [label="Allergen Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N9 [label="Food Safety Inspection" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+	N10 [label="Food Processing Automation" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FF9800" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N2 -> N3 [color="#D2D2D2" penwidth=1.5 style=solid label="audits" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="franchises" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#D2D2D2" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N9 -> N10 [color="#D2D2D2" penwidth=1.5 style=solid label="labels" dir=forward]
+	N2 -> N10 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N1 -> N5 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_24.dot b/train/diagrams/easy/diagrams_24.dot
new file mode 100644
index 0000000000000000000000000000000000000000..06c697eefa67e8fbb46817baa6300fe39514f07e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_24.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Supplier Qualification" color="#5C6BC0" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N1 [label="Bills of Material Generation" color="#C2B2F0" fillcolor="#EFE6FF" shape=preparation style=filled]
+	N2 [label="Quality Control" color="#5C6BC0" fillcolor="#E8EAF6" shape=rect style=filled]
+	N3 [label="Supply Chain Synchronization" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N4 [label="Machine Calibration" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N5 [label="Parts Replacement" color="#C2B2F0" fillcolor="#EFE6FF" shape=predefinedprocess style=filled]
+	N6 [label="Painting" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N7 [label="Batch Tracking" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N8 [label="Final Testing" color="#C2B2F0" fillcolor="#EFE6FF" shape=database style=filled]
+	N9 [label="Packaging" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N10 [label="Yield Optimization" color="#FFA726" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N11 [label="Predictive Maintenance" color="#5C6BC0" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="transports" dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N4 -> N5 [color="#C2B2F0" penwidth=1.5 style=solid label="molds" dir=forward]
+	N5 -> N6 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFA726" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N9 -> N10 [color="#5C6BC0" penwidth=1.5 style=dashed label="packages" dir=forward]
+	N10 -> N11 [color="#C2B2F0" penwidth=1.5 style=solid label="receives" dir=forward]
+	N3 -> N10 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_240.dot b/train/diagrams/easy/diagrams_240.dot
new file mode 100644
index 0000000000000000000000000000000000000000..244e353864d029373aedce88201123488ea6b65a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_240.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Supplier Management" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N1 [label="Recipe Development" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N2 [label="Food Preservation" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N3 [label="Food Preparation" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N4 [label="Food Safety Inspection" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N5 [label="Waste Reduction" color="#6FE1D5" fillcolor="#C9EFEC" shape=preparation style=filled]
+	N6 [label="Menu Planning" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N7 [label="Cooking" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+	N8 [label="Service Delivery" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+	N9 [label="Baking" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N10 [label="Nutrition Analysis" color="#FFCC7A" fillcolor="#FFF6D9" shape=database style=filled]
+	N0 -> N1 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#6FE1D5" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=solid label="manages" dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="operates" dir=forward]
+	N5 -> N6 [color="#6FE1D5" penwidth=1.5 style=dashed label="stores" dir=forward]
+	N6 -> N7 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#6FE1D5" penwidth=1.5 style=solid label="manufactures" dir=forward]
+	N8 -> N9 [color="#90A4AE" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N9 -> N10 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N4 [color="#90A4AE" penwidth=1.5 style=solid label="flavors" dir=forward]
+	N10 -> N0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_241.dot b/train/diagrams/easy/diagrams_241.dot
new file mode 100644
index 0000000000000000000000000000000000000000..06c3414bda4efe0c18376b1c730bce6498268e02
--- /dev/null
+++ b/train/diagrams/easy/diagrams_241.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Athlete Brand Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N1 [label="Venue Booking" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N2 [label="Talent Scouting" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N3 [label="Sports Analytics" color="#61CAC3" fillcolor="#C2E8E6" shape=rectangle style=filled]
+	N4 [label="Team Management" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N5 [label="Athlete Nutrition Planning" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N6 [label="Player Transfer" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N7 [label="Athlete Performance Tracking" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N8 [label="Ticketing Sales" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N9 [label="Sports Technology Integration" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N10 [label="Sports Betting Regulation" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=dashed label="scores" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="competes" dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N3 -> N4 [color="#90A4AE" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=dashed label="governs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="builds" dir=forward]
+	N6 -> N7 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#90A4AE" penwidth=1.5 style=dashed label="rehabilitates" dir=forward]
+	N9 -> N10 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N3 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_241.txt b/train/diagrams/easy/diagrams_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e49b272292537f17fffbb8f50eca466560bd675e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_241.txt
@@ -0,0 +1,11 @@
+<Athlete Brand Management, scores, Venue Booking>
+<Athlete Nutrition Planning, builds, Player Transfer>
+<Athlete Performance Tracking, connectedTo, Sports Analytics>
+<Athlete Performance Tracking, connectedTo, Ticketing Sales>
+<Player Transfer, connectedTo, Athlete Performance Tracking>
+<Sports Analytics, predicts, Team Management>
+<Sports Technology Integration, connectedTo, Sports Betting Regulation>
+<Talent Scouting, regulates, Sports Analytics>
+<Team Management, governs, Athlete Nutrition Planning>
+<Ticketing Sales, rehabilitates, Sports Technology Integration>
+<Venue Booking, competes, Talent Scouting>
diff --git a/train/diagrams/easy/diagrams_247.txt b/train/diagrams/easy/diagrams_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bbcc9423a2b14d8f0fdd3b8b5f6f595b7b507c4d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_247.txt
@@ -0,0 +1,13 @@
+<Anti_Doping Control, recruits, Training Session>
+<Athlete Brand Management, competes, Community Sports Programs>
+<Athlete Nutrition Planning, coaches, Athlete Brand Management>
+<Athlete Performance Tracking, connectedTo, Athlete Nutrition Planning>
+<Community Sports Programs, manages, Anti_Doping Control>
+<Data Analytics in Sports, broadcasts, Athlete Performance Tracking>
+<Game Strategy, connectedTo, Athlete Brand Management>
+<Game Strategy, regulates, Data Analytics in Sports>
+<Merchandise Sales, connectedTo, Venue Booking>
+<Sports Marketing, advertises, Talent Scouting>
+<Talent Scouting, connectedTo, Merchandise Sales>
+<Training Session, connectedTo, Data Analytics in Sports>
+<Venue Booking, equips, Game Strategy>
diff --git a/train/diagrams/easy/diagrams_250.txt b/train/diagrams/easy/diagrams_250.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dd4daa52648c498ea3a709df25db409e47d288d2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_250.txt
@@ -0,0 +1,9 @@
+<Accessory Design, connectedTo, Fabric Innovation>
+<Design Sketching, samples, Footwear Production>
+<Embroidery and Embellishment, patterns, Design Sketching>
+<Fabric Innovation, connectedTo, Accessory Design>
+<Fabric Innovation, connectedTo, Design Sketching>
+<Fabric Innovation, stylizes, Quality Check>
+<Footwear Production, recycles, Wholesale Distribution>
+<Quality Check, brands, PR and Media Outreach>
+<Wholesale Distribution, protects, Accessory Design>
diff --git a/train/diagrams/easy/diagrams_251.dot b/train/diagrams/easy/diagrams_251.dot
new file mode 100644
index 0000000000000000000000000000000000000000..51abb1730982e04ec742e39aad2e3318a66d924e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_251.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Retail Sales" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N1 [label="PR and Media Outreach" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N2 [label="Trend Research" color="#9575CD" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N3 [label="E_commerce Management" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N4 [label="Return Processing" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N5 [label="Distribution" color="#DCE775" fillcolor="#FCFCE7" shape=document style=filled]
+	N6 [label="Styling" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N7 [label="Brand Building" color="#DCE775" fillcolor="#FCFCE7" shape=predefinedprocess style=filled]
+	N8 [label="Sample Creation" color="#FFB2A5" fillcolor="#FFDCD6" shape=diamond style=filled]
+	N9 [label="Quality Check" color="#DCE775" fillcolor="#FCFCE7" shape=preparation style=filled]
+	N10 [label="Garment Production" color="#DCE775" fillcolor="#FCFCE7" shape=preparation style=filled]
+	N11 [label="Ready_to_Wear Collection Launch" color="#9575CD" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="sources" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#9575CD" penwidth=1.5 style=dashed label="influences" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid label="markets" dir=forward]
+	N7 -> N8 [color="#FFB2A5" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N8 -> N9 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#9575CD" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N8 -> N4 [color="#000000" penwidth=1.5 style=dashed label="exhibits" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_252.txt b/train/diagrams/easy/diagrams_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..788001dac442004742154bca8cade7fb1606fc19
--- /dev/null
+++ b/train/diagrams/easy/diagrams_252.txt
@@ -0,0 +1,9 @@
+<Accessory Design, connectedTo, Product Photography>
+<Accessory Design, licenses, Distribution>
+<Distribution, connectedTo, Fashion Show Production>
+<E_commerce Management, markets, Garment Production>
+<Fashion Show Production, retails, Product Photography>
+<Garment Production, trends, Accessory Design>
+<Marketing Campaign, connectedTo, Retail Sales>
+<Retail Sales, influences, Retail Store Merchandising>
+<Retail Store Merchandising, connectedTo, E_commerce Management>
diff --git a/train/diagrams/easy/diagrams_253.txt b/train/diagrams/easy/diagrams_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1b97371c407d857ef4d18a459f0fd1974e5c619b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_253.txt
@@ -0,0 +1,12 @@
+<E_commerce Management, collaborates, Inventory Management>
+<Fashion Show Production, photographs, Sample Creation>
+<Garment Fitting Session, brands, Material Sourcing>
+<Garment Fitting Session, connectedTo, Pattern Making>
+<Inventory Management, forecasts, Fashion Show Production>
+<Material Sourcing, shows, Garment Fitting Session>
+<PR and Media Outreach, connectedTo, Retail Sales>
+<Pattern Making, connectedTo, Material Sourcing>
+<Product Photography, sustains, Pattern Making>
+<Retail Sales, connectedTo, Sustainable Fashion Practices>
+<Sample Creation, connectedTo, PR and Media Outreach>
+<Sustainable Fashion Practices, connectedTo, Product Photography>
diff --git a/train/diagrams/easy/diagrams_254.txt b/train/diagrams/easy/diagrams_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..be3001177f91444863970febc5ed7064993d353d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_254.txt
@@ -0,0 +1,11 @@
+<Color Palette Selection, connectedTo, Garment Production>
+<Design Sketching, retails, Sample Creation>
+<Garment Production, connectedTo, Retail Sales>
+<Global Sourcing Strategy, connectedTo, Styling>
+<Global Sourcing Strategy, connectedTo, Trend Research>
+<Product Photography, exhibits, Styling>
+<Quality Check, connectedTo, Product Photography>
+<Retail Sales, markets, Color Palette Selection>
+<Retail Sales, tests, Quality Check>
+<Styling, connectedTo, Design Sketching>
+<Trend Research, protects, Color Palette Selection>
diff --git a/train/diagrams/easy/diagrams_256.txt b/train/diagrams/easy/diagrams_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bde913a9be1a3579f8b2a96357dd1fb1b4b821f2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_256.txt
@@ -0,0 +1,9 @@
+<Garment Production, connectedTo, Haute Couture Creation>
+<Haute Couture Creation, sketches, Retail Sales>
+<Intellectual Property Protection, forecasts, Marketing Campaign>
+<Marketing Campaign, connectedTo, Sample Creation>
+<Material Sourcing, connectedTo, Sample Creation>
+<Pattern Making, brands, Intellectual Property Protection>
+<Retail Sales, sources, Material Sourcing>
+<Sample Creation, connectedTo, Garment Production>
+<Sample Creation, protects, Retail Sales>
diff --git a/train/diagrams/easy/diagrams_257.dot b/train/diagrams/easy/diagrams_257.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c520898beaa7f41c7f00f37900f724f7aab7996c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_257.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Work_Life Balance Initiatives" color="#4DB6AC" fillcolor="#E0F2F1" shape=document style=filled]
+	N1 [label="Leadership Training" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N2 [label="Diversity and Inclusion Initiatives" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N3 [label="Skill Development Programs" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N4 [label="Employee Recognition Programs" color="#4DB6AC" fillcolor="#E0F2F1" shape=action style=filled]
+	N5 [label="Health and Safety Management" color="#DCE775" fillcolor="#FCFCE7" shape=inputoutput style=filled]
+	N6 [label="HR Policy Development" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N7 [label="Leave Management" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N8 [label="Wellness Programs" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="develops" dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed label="hires" dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="leads" dir=forward]
+	N6 -> N8 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N0 [color="#000000" penwidth=1.5 style=dashed label="mediates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_258.dot b/train/diagrams/easy/diagrams_258.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2244d4363f98704b9b9ad3adcb2ab195287355cd
--- /dev/null
+++ b/train/diagrams/easy/diagrams_258.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Global Mobility Programs" color="#5C6BC0" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N1 [label="Employee Handbook Creation" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N2 [label="HR Budgeting" color="#42A5F5" fillcolor="#F1F8FF" shape=action style=filled]
+	N3 [label="Candidate Sourcing" color="#42A5F5" fillcolor="#F1F8FF" shape=rect style=filled]
+	N4 [label="Leave Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N5 [label="Onboarding Process" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N6 [label="Succession Planning" color="#42A5F5" fillcolor="#F1F8FF" shape=document style=filled]
+	N7 [label="Exit Interviews" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N8 [label="Workforce Planning" color="#5C6BC0" fillcolor="#E8EAF6" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=solid label="protects" dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=dashed label="motivates" dir=forward]
+	N4 -> N5 [color="#42A5F5" penwidth=1.5 style=solid label="develops" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="terminates" dir=forward]
+	N6 -> N7 [color="#5C6BC0" penwidth=1.5 style=solid label="trains" dir=forward]
+	N7 -> N8 [color="#5C6BC0" penwidth=1.5 style=dashed label="onboards" dir=forward]
+	N4 -> N2 [color="#42A5F5" penwidth=1.5 style=dashed label="surveys" dir=forward]
+	N6 -> N5 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_260.txt b/train/diagrams/easy/diagrams_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a0baacc8a823cf6176c5d85c221144f0812fde66
--- /dev/null
+++ b/train/diagrams/easy/diagrams_260.txt
@@ -0,0 +1,10 @@
+<Employee Engagement Surveys, connectedTo, Remote Work Policy>
+<Global Mobility Programs, connectedTo, Skill Development Programs>
+<HR Information System Implementation, promotes, Offer Management>
+<Job Posting, plans, Succession Planning>
+<Offer Management, connectedTo, Job Posting>
+<Offer Management, leads, Global Mobility Programs>
+<Payroll Processing, connectedTo, Global Mobility Programs>
+<Remote Work Policy, connectedTo, HR Information System Implementation>
+<Succession Planning, policies, Payroll Processing>
+<Union Negotiations, connectedTo, Employee Engagement Surveys>
diff --git a/train/diagrams/easy/diagrams_262.txt b/train/diagrams/easy/diagrams_262.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5c68f729ba360e177ac331353fe70d9e267c782
--- /dev/null
+++ b/train/diagrams/easy/diagrams_262.txt
@@ -0,0 +1,9 @@
+<Change Management, plans, Payroll Processing>
+<Compensation and Benefits, connectedTo, Interview Scheduling>
+<Health and Safety Management, complies, Compensation and Benefits>
+<Interview Scheduling, supports, Change Management>
+<Payroll Processing, connectedTo, Employee Recognition Programs>
+<Payroll Processing, connectedTo, Performance Appraisal>
+<Performance Appraisal, connectedTo, Health and Safety Management>
+<Performance Appraisal, trains, Union Negotiations>
+<Union Negotiations, connectedTo, Employee Recognition Programs>
diff --git a/train/diagrams/easy/diagrams_264.txt b/train/diagrams/easy/diagrams_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..81c6f57f0189796358fe0e0f7b3525dbd29f6c93
--- /dev/null
+++ b/train/diagrams/easy/diagrams_264.txt
@@ -0,0 +1,10 @@
+<Compensation and Benefits, secures, Interview Scheduling>
+<Diversity and Inclusion Initiatives, records, Payroll Processing>
+<Employee Recognition Programs, connectedTo, Work_Life Balance Initiatives>
+<Employee Relations, connectedTo, Diversity and Inclusion Initiatives>
+<Employee Relations, connectedTo, Work_Life Balance Initiatives>
+<Exit Interviews, connectedTo, Compensation and Benefits>
+<Interview Scheduling, connectedTo, Employee Relations>
+<Interview Scheduling, hires, Diversity and Inclusion Initiatives>
+<Payroll Processing, analyzes, Employee Recognition Programs>
+<Work_Life Balance Initiatives, connectedTo, Team Building Activities>
diff --git a/train/diagrams/easy/diagrams_266.dot b/train/diagrams/easy/diagrams_266.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2d9005b504ab0500c93ba852c4dd7287383a6abd
--- /dev/null
+++ b/train/diagrams/easy/diagrams_266.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="AI in Recruitment" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N1 [label="Onboarding Handoff" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N2 [label="Passive Candidate Engagement" color="#9575CD" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N3 [label="Video Interviewing" color="#9575CD" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N4 [label="Contingent Workforce Management" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N5 [label="Applicant Tracking System Management" color="#9575CD" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N6 [label="Recruitment Marketing" color="#4DB6AC" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N7 [label="Recruitment Metrics Reporting" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4DB6AC" penwidth=1.5 style=solid label="educates" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4DB6AC" penwidth=1.5 style=dashed label="verifies" dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed label="refers" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N0 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_27.txt b/train/diagrams/easy/diagrams_27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..02a0205514bb7c9bbfcfd200276357bb6d68345a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_27.txt
@@ -0,0 +1,10 @@
+<Club Registration, connectedTo, Result Declaration>
+<Counseling Session, supports, Special Education Support>
+<Course Selection, tracks, Special Education Support>
+<Extracurricular Activity, connectedTo, Club Registration>
+<Graduation Approval, develops, Counseling Session>
+<Peer Tutoring, connectedTo, Course Selection>
+<Result Declaration, licenses, Student Application>
+<Special Education Support, administers, Timetable Scheduling>
+<Student Application, assesses, Peer Tutoring>
+<Timetable Scheduling, connectedTo, Extracurricular Activity>
diff --git a/train/diagrams/easy/diagrams_271.txt b/train/diagrams/easy/diagrams_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3fe104549e78bbe1f58bd9f66c48eb365d56d5e6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_271.txt
@@ -0,0 +1,11 @@
+<Candidate Experience Management, screens, Internal Mobility>
+<Candidate Feedback Collection, connectedTo, Headhunting>
+<Headhunting, verifies, Talent Pipeline Building>
+<Internal Mobility, connectedTo, Psychometric Testing>
+<Job Description Creation, educates, Freelancer Engagement>
+<Job Fair Organization, advertises, Recruitment Marketing>
+<Job Fair Organization, connectedTo, Psychometric Testing>
+<Psychometric Testing, connectedTo, Job Description Creation>
+<Recruitment Marketing, advises, Headhunting>
+<Recruitment Marketing, connectedTo, Candidate Feedback Collection>
+<Talent Pipeline Building, connectedTo, Candidate Experience Management>
diff --git a/train/diagrams/easy/diagrams_278.dot b/train/diagrams/easy/diagrams_278.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ca5023bb66f6bb5da4d48d3b37fd0d0a75402572
--- /dev/null
+++ b/train/diagrams/easy/diagrams_278.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Customer Success Management" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N1 [label="Cross_selling Opportunities" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+	N2 [label="Customer Satisfaction Survey" color="#FFF9AE" fillcolor="#FFFCE6" shape=rect style=filled]
+	N3 [label="Proactive Communication" color="#E91E63" fillcolor="#F8BBD0" shape=predefinedprocess style=filled]
+	N4 [label="Live Chat Support" color="#B0C5CD" fillcolor="#DFE7EB" shape=rect style=filled]
+	N5 [label="Knowledge Base Creation" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+	N6 [label="Social Media Response" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N7 [label="Feedback Loop to Product Development" color="#B0C5CD" fillcolor="#DFE7EB" shape=database style=filled]
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=solid label="educates" dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=solid label="listens" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="records" dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=dashed label="empathizes" dir=forward]
+	N6 -> N7 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N7 [color="#FFF9AE" penwidth=1.5 style=solid label="exchanges" dir=forward]
+	N5 -> N0 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_279.dot b/train/diagrams/easy/diagrams_279.dot
new file mode 100644
index 0000000000000000000000000000000000000000..baebfcd886ddbda1044daff23f6936bba3de58d2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_279.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Live Chat Support" color="#B0C5CD" fillcolor="#DFE7EB" shape=rect style=filled]
+	N1 [label="Multilingual Support" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N2 [label="Complaint Trend Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=action style=filled]
+	N3 [label="Account Management" color="#FF9800" fillcolor="#FFE0B2" shape=vnode_shape style=filled]
+	N4 [label="Phone Support" color="#B0C5CD" fillcolor="#DFE7EB" shape=inputoutput style=filled]
+	N5 [label="Customer Success Management" color="#FF9800" fillcolor="#FFE0B2" shape=inputoutput style=filled]
+	N6 [label="Customer Onboarding Support" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N7 [label="Feedback Collection" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N8 [label="First Contact Resolution Optimization" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=solid label="secures" dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=dashed label="empathizes" dir=forward]
+	N2 -> N3 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed label="troubleshoots" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N5 -> N6 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=solid label="resolves" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="socials" dir=forward]
+	N7 -> N0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N8 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_284.txt b/train/diagrams/easy/diagrams_284.txt
new file mode 100644
index 0000000000000000000000000000000000000000..85f10bf0a0bbb85a7e552aa5490a3559de757953
--- /dev/null
+++ b/train/diagrams/easy/diagrams_284.txt
@@ -0,0 +1,8 @@
+<Circular Economy Practices, plans, Logistics Optimization>
+<Circular Economy Practices, returns, Collaborative Planning, Forecasting, and Replenishment>
+<Collaborative Planning, Forecasting, and Replenishment, risk, Digital Twin of Supply Chain>
+<Data Analytics for Supply Chain, connectedTo, Last_Mile Delivery Optimization>
+<Demand Planning, traceability, Logistics Optimization>
+<Last_Mile Delivery Optimization, connectedTo, Circular Economy Practices>
+<Logistics Optimization, connectedTo, Data Analytics for Supply Chain>
+<Resilience Planning, connectedTo, Demand Planning>
diff --git a/train/diagrams/easy/diagrams_287.txt b/train/diagrams/easy/diagrams_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4834f81ead3553bc7e563641ff2fe84b811aa7d2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_287.txt
@@ -0,0 +1,9 @@
+<Digital Twin of Supply Chain, forecasts, Predictive Analytics>
+<Global Sourcing Strategy, risk, Production Scheduling Integration>
+<Hazardous Materials Handling, communicates, Vendor Managed Inventory>
+<Hazardous Materials Handling, designs, Predictive Analytics>
+<Inventory Management, connectedTo, Warehouse Automation>
+<Production Scheduling Integration, connectedTo, Digital Twin of Supply Chain>
+<Vendor Managed Inventory, connectedTo, Global Sourcing Strategy>
+<Vendor Managed Inventory, secures, Inventory Management>
+<Warehouse Automation, monitors, Hazardous Materials Handling>
diff --git a/train/diagrams/easy/diagrams_288.dot b/train/diagrams/easy/diagrams_288.dot
new file mode 100644
index 0000000000000000000000000000000000000000..30b3be728f5346cc25c54b7e5a8e588ab7fa42ad
--- /dev/null
+++ b/train/diagrams/easy/diagrams_288.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Inventory Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N1 [label="Production Scheduling Integration" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N2 [label="Vendor Managed Inventory" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N3 [label="Global Sourcing Strategy" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N4 [label="Production Planning" color="#AABEC6" fillcolor="#E0E6E9" shape=rect style=filled]
+	N5 [label="Logistics Optimization" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+	N6 [label="Circular Economy Practices" color="#4CAF50" fillcolor="#C8E6C9" shape=rect style=filled]
+	N7 [label="Supply Chain Visibility" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N8 [label="Collaborative Planning, Forecasting, and Replenishment" color="#AABEC6" fillcolor="#E0E6E9" shape=predefinedprocess style=filled]
+	N9 [label="Last_Mile Delivery Optimization" color="#FFB2A5" fillcolor="#FFDCD6" shape=multipledocuments style=filled]
+	N10 [label="Material Flow Management" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N11 [label="Data Analytics for Supply Chain" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="predicts" dir=forward]
+	N2 -> N3 [color="#AABEC6" penwidth=1.5 style=dashed label="traceability" dir=forward]
+	N3 -> N4 [color="#FFB2A5" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#AABEC6" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="delivers" dir=forward]
+	N7 -> N8 [color="#AABEC6" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N8 -> N9 [color="#AABEC6" penwidth=1.5 style=solid label="audits" dir=forward]
+	N9 -> N10 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N2 [color="#000000" penwidth=1.5 style=solid label="distributes" dir=forward]
+	N3 -> N7 [color="#AABEC6" penwidth=1.5 style=dashed label="licenses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_288.txt b/train/diagrams/easy/diagrams_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b273356f31d8e0a3614f841789dc379b4ac9b75e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_288.txt
@@ -0,0 +1,13 @@
+<Circular Economy Practices, delivers, Supply Chain Visibility>
+<Collaborative Planning, Forecasting, and Replenishment, audits, Last_Mile Delivery Optimization>
+<Data Analytics for Supply Chain, distributes, Vendor Managed Inventory>
+<Global Sourcing Strategy, licenses, Supply Chain Visibility>
+<Global Sourcing Strategy, tracks, Production Planning>
+<Inventory Management, connectedTo, Production Scheduling Integration>
+<Last_Mile Delivery Optimization, connectedTo, Material Flow Management>
+<Logistics Optimization, regulates, Circular Economy Practices>
+<Material Flow Management, connectedTo, Data Analytics for Supply Chain>
+<Production Planning, connectedTo, Logistics Optimization>
+<Production Scheduling Integration, predicts, Vendor Managed Inventory>
+<Supply Chain Visibility, manages, Collaborative Planning, Forecasting, and Replenishment>
+<Vendor Managed Inventory, traceability, Global Sourcing Strategy>
diff --git a/train/diagrams/easy/diagrams_289.dot b/train/diagrams/easy/diagrams_289.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3faa38bb85f468876bac8b048c91aefde60252ba
--- /dev/null
+++ b/train/diagrams/easy/diagrams_289.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Emergency Response Planning" color="#D3EB9F" fillcolor="#F8FDD3" shape=preparation style=filled]
+	N1 [label="Dust Control" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N2 [label="Robotics in Mining" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N3 [label="Core Logging" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	N4 [label="Smelting" color="#FFCC7A" fillcolor="#FFF6D9" shape=database style=filled]
+	N5 [label="Geological Survey" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N6 [label="Resource Estimation" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N7 [label="Environmental Impact Assessment" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	N8 [label="Ventilation System" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="grinds" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed label="crushes" dir=forward]
+	N5 -> N6 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=solid label="grades" dir=forward]
+	N4 -> N3 [color="#FF8A65" penwidth=1.5 style=solid label="smelts" dir=forward]
+	N7 -> N4 [color="#D3EB9F" penwidth=1.5 style=solid label="invests" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_293.txt b/train/diagrams/easy/diagrams_293.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cc0882f5efb10042326ebe04b1a77d2a17fbb6da
--- /dev/null
+++ b/train/diagrams/easy/diagrams_293.txt
@@ -0,0 +1,10 @@
+<Asset Management, prices, Remote Operations Center>
+<Autonomous Haulage Systems, connectedTo, Remote Operations Center>
+<Autonomous Haulage Systems, sells, Mine Closure Planning>
+<Emergency Response Planning, operates, Asset Management>
+<Mine Closure Planning, analyzes, Product Marketing>
+<Mine Planning, connectedTo, Waste Rock Management>
+<Ore Extraction, connectedTo, Waste Rock Management>
+<Product Marketing, reports, Ore Extraction>
+<Remote Operations Center, forecasts, Mine Planning>
+<Waste Rock Management, regulates, Emergency Response Planning>
diff --git a/train/diagrams/easy/diagrams_297.dot b/train/diagrams/easy/diagrams_297.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f5d7094e57d088bc4f561b77baae6063990beda4
--- /dev/null
+++ b/train/diagrams/easy/diagrams_297.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Route Planning" color="#A1D7CD" fillcolor="#EDF5F3" shape=database style=filled]
+	N1 [label="Bunkering" color="#AED581" fillcolor="#F0F4C3" shape=predefinedprocess style=filled]
+	N2 [label="Fisheries Management" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N3 [label="Container Tracking" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N4 [label="Dry Docking" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+	N5 [label="Inland Waterway Transport" color="#FFB74D" fillcolor="#FFF3E0" shape=action style=filled]
+	N6 [label="Vessel Chartering" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N7 [label="Ship_to_Shore Communication" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N8 [label="Voyage Optimization" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N0 -> N1 [color="#A1D7CD" penwidth=1.5 style=dashed label="operates" dir=forward]
+	N1 -> N2 [color="#FFB74D" penwidth=1.5 style=solid label="loads" dir=forward]
+	N2 -> N3 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=solid label="audits" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N1 -> N3 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_297.txt b/train/diagrams/easy/diagrams_297.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e040b1458ed641fef164c08296d4f82cf002953
--- /dev/null
+++ b/train/diagrams/easy/diagrams_297.txt
@@ -0,0 +1,9 @@
+<Bunkering, connectedTo, Container Tracking>
+<Bunkering, loads, Fisheries Management>
+<Container Tracking, connectedTo, Dry Docking>
+<Dry Docking, forecasts, Inland Waterway Transport>
+<Fisheries Management, connectedTo, Container Tracking>
+<Inland Waterway Transport, audits, Vessel Chartering>
+<Route Planning, operates, Bunkering>
+<Ship_to_Shore Communication, connectedTo, Voyage Optimization>
+<Vessel Chartering, connectedTo, Ship_to_Shore Communication>
diff --git a/train/diagrams/easy/diagrams_298.txt b/train/diagrams/easy/diagrams_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..397a36eb9401cba34cb9cebf236167b3ea7da080
--- /dev/null
+++ b/train/diagrams/easy/diagrams_298.txt
@@ -0,0 +1,12 @@
+<Bunkering, secures, Voyage Optimization>
+<Bunkering, transports, Marine Insurance>
+<Crew Management, connectedTo, Marine Safety Inspection>
+<Digitalization of Shipping, engines, Marine Research>
+<Freight Forwarding, manages, Shipbuilding>
+<Inland Waterway Transport, connectedTo, Freight Forwarding>
+<Marine Insurance, connectedTo, Search and Rescue Coordination>
+<Marine Research, docks, Crew Management>
+<Marine Safety Inspection, designs, Voyage Optimization>
+<Search and Rescue Coordination, connectedTo, Bunkering>
+<Shipbuilding, rescues, Search and Rescue Coordination>
+<Voyage Optimization, maintains, Inland Waterway Transport>
diff --git a/train/diagrams/easy/diagrams_299.txt b/train/diagrams/easy/diagrams_299.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d2fc6035c62e04a6ef024debd2b5c9d4d22ba234
--- /dev/null
+++ b/train/diagrams/easy/diagrams_299.txt
@@ -0,0 +1,11 @@
+<Autonomous Vessels, complies, Marine Data Analytics>
+<Bunkering, systems, Offshore Operations>
+<Customs Clearance, connectedTo, Autonomous Vessels>
+<Green Shipping Initiatives, loads, Bunkering>
+<Marine Data Analytics, inspects, Green Shipping Initiatives>
+<Marine Safety Inspection, connectedTo, Customs Clearance>
+<Offshore Operations, designs, Autonomous Vessels>
+<Offshore Operations, monitors, Vessel Maintenance>
+<Ship Design, charts, Marine Safety Inspection>
+<Terminal Management, connectedTo, Fleet Management>
+<Vessel Maintenance, connectedTo, Terminal Management>
diff --git a/train/diagrams/easy/diagrams_300.dot b/train/diagrams/easy/diagrams_300.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ec03baacdea6b143faa15f0fb57620f54e62fd87
--- /dev/null
+++ b/train/diagrams/easy/diagrams_300.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Fuel Consumption Optimization" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N1 [label="Crew Management" color="#388E3C" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N2 [label="Vessel Maintenance" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N3 [label="Vessel Chartering" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N4 [label="Pollution Control" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N5 [label="Salvage Operations" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N6 [label="Marine Safety Inspection" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N7 [label="Marine Insurance" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N8 [label="Navigation" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N9 [label="Pilotage" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#2196F3" penwidth=1.5 style=solid label="salvages" dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N6 -> N7 [color="#2196F3" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N7 -> N8 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#388E3C" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N1 -> N4 [color="#388E3C" penwidth=1.5 style=solid label="docks" dir=forward]
+	N4 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid label="protects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_306.dot b/train/diagrams/easy/diagrams_306.dot
new file mode 100644
index 0000000000000000000000000000000000000000..25f9e2672de52c993ba14dca093577ff14073b38
--- /dev/null
+++ b/train/diagrams/easy/diagrams_306.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Life Support Systems" color="#B0C5CD" fillcolor="#DFE7EB" shape=multipledocuments style=filled]
+	N1 [label="Spacecraft Control" color="#B0C5CD" fillcolor="#DFE7EB" shape=inputoutput style=filled]
+	N2 [label="Planetary Science Research" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N3 [label="Propellant Management" color="#7986CB" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N4 [label="Space Tourism Development" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N5 [label="Interplanetary Trajectory Calculation" color="#7986CB" fillcolor="#E8EAF6" shape=action style=filled]
+	N6 [label="Scientific Data Analysis" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N7 [label="Lunar Exploration" color="#B0C5CD" fillcolor="#DFE7EB" shape=predefinedprocess style=filled]
+	N8 [label="Launch Operations" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N9 [label="Telemetry Monitoring" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N6 -> N7 [color="#B0C5CD" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="budgets" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="launches" dir=forward]
+	N6 -> N8 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_308.txt b/train/diagrams/easy/diagrams_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa2c8b1527e8062e4e74462bf68b3fe0807782e0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_308.txt
@@ -0,0 +1,11 @@
+<Astronaut Training, connectedTo, Planetary Science Research>
+<Astronaut Training, manages, Ground Station Operations>
+<Astrophysics Research, connectedTo, Planetary Science Research>
+<Data Acquisition, connectedTo, Astronaut Training>
+<Exoplanet Discovery, controls, Payload Development>
+<Ground Station Operations, connectedTo, Astronaut Training>
+<Ground Station Operations, connectedTo, Telemetry Monitoring>
+<Payload Development, protects, Data Acquisition>
+<Planetary Science Research, designs, Robotics for Space Exploration>
+<Propellant Management, builds, Exoplanet Discovery>
+<Telemetry Monitoring, coordinates, Astrophysics Research>
diff --git a/train/diagrams/easy/diagrams_311.dot b/train/diagrams/easy/diagrams_311.dot
new file mode 100644
index 0000000000000000000000000000000000000000..11b2ac5760f010dfb75a832c7961e3c303f51efb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_311.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Astronaut Training" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N1 [label="Deep Space Communications" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N2 [label="Mission Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N3 [label="Microgravity Experiments" color="#8C9EFF" fillcolor="#D3D7EB" shape=preparation style=filled]
+	N4 [label="Radiation Shielding Design" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N5 [label="Sample Return Missions" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N6 [label="Astrophysics Research" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N7 [label="International Collaboration" color="#8C9EFF" fillcolor="#D3D7EB" shape=preparation style=filled]
+	N0 -> N1 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="explores" dir=forward]
+	N3 -> N4 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#8C9EFF" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N6 -> N3 [color="#8C9EFF" penwidth=1.5 style=dashed label="partners" dir=forward]
+	N1 -> N6 [color="#FFE470" penwidth=1.5 style=solid label="tests" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_312.txt b/train/diagrams/easy/diagrams_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b0cb83e8b93e19b428724f7327181bc56eaf3d0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_312.txt
@@ -0,0 +1,9 @@
+<Commercial Space Flight Regulation, plans, Launch Operations>
+<Exoplanet Discovery, connectedTo, Mission Control Center Management>
+<Exoplanet Discovery, designs, Launch Operations>
+<Launch Operations, monitors, Exoplanet Discovery>
+<Launch Operations, receives, Payload Development>
+<Mission Design, protects, Commercial Space Flight Regulation>
+<Orbital Mechanics, connectedTo, Satellite Deployment>
+<Payload Development, repairs, Exoplanet Discovery>
+<Satellite Deployment, connectedTo, Mission Design>
diff --git a/train/diagrams/easy/diagrams_313.txt b/train/diagrams/easy/diagrams_313.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2dc3c4dc6ad3cd978640c26eac82b1a16337ee69
--- /dev/null
+++ b/train/diagrams/easy/diagrams_313.txt
@@ -0,0 +1,9 @@
+<Biodiversity Impact Assessment, connectedTo, Glacier Mass Balance Monitoring>
+<Cloud Formation Research, solves, Ocean Acidification Studies>
+<Ecological Footprint Calculation, projects, Remote Sensing for Climate>
+<Glacier Mass Balance Monitoring, connectedTo, Satellite Data Interpretation>
+<Ice Sheet Dynamics, monitors, Ecological Footprint Calculation>
+<Ice Sheet Dynamics, visualizes, Biodiversity Impact Assessment>
+<Ocean Acidification Studies, connectedTo, Climate Impact Assessment>
+<Remote Sensing for Climate, vulnerabilities, Biodiversity Impact Assessment>
+<Satellite Data Interpretation, assesses, Cloud Formation Research>
diff --git a/train/diagrams/easy/diagrams_315.txt b/train/diagrams/easy/diagrams_315.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23c30c61b3ce41ed1f953333ae15fc9223550c39
--- /dev/null
+++ b/train/diagrams/easy/diagrams_315.txt
@@ -0,0 +1,11 @@
+<Adaptation Strategy Development, scenarios, Glacier Mass Balance Monitoring>
+<Climate Finance Tracking, educates, Drought Monitoring and Forecasting>
+<Climate Resilient Agriculture, connectedTo, Adaptation Strategy Development>
+<Data Collection, connectedTo, Greenhouse Gas Measurement>
+<Drought Monitoring and Forecasting, warns, Renewable Energy Potential Assessment>
+<Glacier Mass Balance Monitoring, assesses, Data Collection>
+<Green Technology Incubation, risks, Renewable Energy Potential Assessment>
+<Greenhouse Gas Measurement, monitors, Satellite Data Interpretation>
+<Ocean Acidification Studies, collects, Climate Finance Tracking>
+<Renewable Energy Potential Assessment, connectedTo, Green Technology Incubation>
+<Satellite Data Interpretation, resilience, Ocean Acidification Studies>
diff --git a/train/diagrams/easy/diagrams_320.txt b/train/diagrams/easy/diagrams_320.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba13fd15ba6dc830b1bab3d84b8d53825c6ab1a8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_320.txt
@@ -0,0 +1,13 @@
+<Atmospheric Monitoring, connectedTo, Paleoclimate Reconstruction>
+<Carbon Cycle Research, resilience, Ice Sheet Dynamics>
+<Climate Finance Tracking, connectedTo, Climate Modeling>
+<Climate Modeling, projects, Green Technology Incubation>
+<Data Collection, connectedTo, Ocean Current Analysis>
+<Green Technology Incubation, connectedTo, Data Collection>
+<Ice Sheet Dynamics, connectedTo, Solar Radiation Management Research>
+<Ice Sheet Dynamics, impacts, Atmospheric Monitoring>
+<Indigenous Knowledge Integration, influences, Glacier Mass Balance Monitoring>
+<Indigenous Knowledge Integration, researches, Paleoclimate Reconstruction>
+<Ocean Current Analysis, risks, Carbon Cycle Research>
+<Paleoclimate Reconstruction, connectedTo, Solar Radiation Management Research>
+<Solar Radiation Management Research, communicates, Indigenous Knowledge Integration>
diff --git a/train/diagrams/easy/diagrams_322.txt b/train/diagrams/easy/diagrams_322.txt
new file mode 100644
index 0000000000000000000000000000000000000000..472d16860594a6b2e1b1e8d75a0fe5c50324f98a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_322.txt
@@ -0,0 +1,11 @@
+<Atmospheric Sounding, classifies, Fire Weather Forecasting>
+<Fire Weather Forecasting, warns, Pollution Dispersion Modeling>
+<Hurricane Trajectory Modeling, transmits, Tornado Watch or Warning>
+<Ocean_Atmosphere Interaction Study, validates, Public Weather Briefing>
+<Pollution Dispersion Modeling, connectedTo, Hurricane Trajectory Modeling>
+<Public Weather Briefing, connectedTo, Tropical Cyclone Analysis>
+<Storm Tracking, connectedTo, Ocean_Atmosphere Interaction Study>
+<Synoptic Chart Analysis, connectedTo, Storm Tracking>
+<Tornado Watch or Warning, charts, Meteorological Station Maintenance>
+<Tropical Cyclone Analysis, connectedTo, Atmospheric Sounding>
+<Tropical Cyclone Analysis, maintains, Meteorological Station Maintenance>
diff --git a/train/diagrams/easy/diagrams_325.dot b/train/diagrams/easy/diagrams_325.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e62d87fc7eeb138f473049763e7fa0020f3238e3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_325.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Wind Speed and Direction" color="#E91E63" fillcolor="#FCE4EC" shape=action style=filled]
+	N1 [label="Air Quality Forecasting" color="#C2B2F0" fillcolor="#EFE6FF" shape=predefinedprocess style=filled]
+	N2 [label="Temperature Monitoring" color="#C2B2F0" fillcolor="#EFE6FF" shape=predefinedprocess style=filled]
+	N3 [label="Marine Weather Forecast" color="#FFE69C" fillcolor="#FFF9D4" shape=rectangle style=filled]
+	N4 [label="Upper Air Chart Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N5 [label="Humidity Sensing" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	N6 [label="Agricultural Weather Advisory" color="#C2B2F0" fillcolor="#EFE6FF" shape=inputoutput style=filled]
+	N7 [label="Nowcasting" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N8 [label="Climate Modeling" color="#E91E63" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N9 [label="Weather Forecasting" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N10 [label="Ocean_Atmosphere Interaction Study" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N11 [label="Arctic Weather Research" color="#C2B2F0" fillcolor="#EFE6FF" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N3 -> N4 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="models" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#C2B2F0" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N10 -> N11 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N7 -> N3 [color="#E91E63" penwidth=1.5 style=solid label="studies" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_325.txt b/train/diagrams/easy/diagrams_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f0bc9420ff0cda905e3ba622a205771c4f1bb2b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_325.txt
@@ -0,0 +1,12 @@
+<Agricultural Weather Advisory, models, Nowcasting>
+<Air Quality Forecasting, connectedTo, Temperature Monitoring>
+<Climate Modeling, connectedTo, Weather Forecasting>
+<Humidity Sensing, connectedTo, Agricultural Weather Advisory>
+<Marine Weather Forecast, connectedTo, Upper Air Chart Analysis>
+<Nowcasting, connectedTo, Climate Modeling>
+<Nowcasting, studies, Marine Weather Forecast>
+<Ocean_Atmosphere Interaction Study, connectedTo, Arctic Weather Research>
+<Temperature Monitoring, forecasts, Marine Weather Forecast>
+<Upper Air Chart Analysis, measures, Humidity Sensing>
+<Weather Forecasting, processes, Ocean_Atmosphere Interaction Study>
+<Wind Speed and Direction, connectedTo, Air Quality Forecasting>
diff --git a/train/diagrams/easy/diagrams_330.txt b/train/diagrams/easy/diagrams_330.txt
new file mode 100644
index 0000000000000000000000000000000000000000..391c0e70472a4ad48a02071e2c0b448318b6a38c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_330.txt
@@ -0,0 +1,10 @@
+<Biomedical Waste Handling, innovates, Waste Management Policy Development>
+<Construction and Demolition Waste Management, connectedTo, Biomedical Waste Handling>
+<Landfill Operation, sorts, Waste Incineration>
+<Leachate Treatment, connectedTo, Organics Collection>
+<Organics Collection, compresses, Landfill Operation>
+<Organics Collection, enforces, Construction and Demolition Waste Management>
+<Waste Compaction, connectedTo, Landfill Operation>
+<Waste Incineration, connectedTo, Waste Reduction Planning>
+<Waste Management Policy Development, connectedTo, Waste Reduction Planning>
+<Waste Reduction Planning, connectedTo, Waste Compaction>
diff --git a/train/diagrams/easy/diagrams_333.txt b/train/diagrams/easy/diagrams_333.txt
new file mode 100644
index 0000000000000000000000000000000000000000..59bb16aa8de744fa4653e88dac4cc9d865f7652e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_333.txt
@@ -0,0 +1,10 @@
+<Extended Producer Responsibility, grades, Paper Recycling>
+<Hazardous Waste Disposal, optimizes, Metal Recycling>
+<Industrial Waste Management, connectedTo, Hazardous Waste Disposal>
+<Industrial Waste Management, connectedTo, Public Education on Waste>
+<Metal Recycling, collects, Extended Producer Responsibility>
+<Paper Recycling, connectedTo, Textile Recycling>
+<Public Education on Waste, designs, Hazardous Waste Disposal>
+<Textile Recycling, plans, Waste Characterization Study>
+<Waste Characterization Study, licenses, Textile Recycling>
+<Zero Waste Initiatives, connectedTo, Industrial Waste Management>
diff --git a/train/diagrams/easy/diagrams_335.dot b/train/diagrams/easy/diagrams_335.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2eb2cbbd526914bdd11df56e4891b9dd295764fa
--- /dev/null
+++ b/train/diagrams/easy/diagrams_335.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Waste Collection" color="#8C9EFF" fillcolor="#D3D7EB" shape=preparation style=filled]
+	N1 [label="Leachate Treatment" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N2 [label="Circular Economy Initiatives" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N3 [label="Community Recycling Programs" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N4 [label="Waste Management Data Analytics" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N5 [label="Organics Collection" color="#8C9EFF" fillcolor="#D3D7EB" shape=document style=filled]
+	N6 [label="Glass Recycling" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N7 [label="Plastic Recycling Technologies" color="#8C9EFF" fillcolor="#D3D7EB" shape=preparation style=filled]
+	N8 [label="Container Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=inputoutput style=filled]
+	N9 [label="Transfer Station Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N10 [label="Illegal Dumping Monitoring" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N0 -> N1 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#82DAFF" penwidth=1.5 style=solid label="compresses" dir=forward]
+	N7 -> N8 [color="#8C9EFF" penwidth=1.5 style=solid label="transports" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="reduces" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="segregates" dir=forward]
+	N4 -> N6 [color="#82DAFF" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N1 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_337.dot b/train/diagrams/easy/diagrams_337.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a4f47c494508cb1f805a74a8bc582a4ff4dd8538
--- /dev/null
+++ b/train/diagrams/easy/diagrams_337.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Water Loss Detection" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N1 [label="Rainwater Harvesting" color="#4DB6AC" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N2 [label="Water Rights Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N3 [label="Billing and Revenue Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=database style=filled]
+	N4 [label="Greywater Recycling" color="#4FC3F7" fillcolor="#E1F5FE" shape=rect style=filled]
+	N5 [label="Irrigation Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=multipledocuments style=filled]
+	N6 [label="Drinking Water Standards Compliance" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N7 [label="Wastewater Collection" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	N8 [label="Water Resource Planning" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N9 [label="Watershed Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N10 [label="Stormwater Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N11 [label="Water Quality Monitoring" color="#4FC3F7" fillcolor="#E1F5FE" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#FFCC80" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=solid label="controls" dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFCC80" penwidth=1.5 style=dashed label="allocates" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=dashed label="mitigates" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFCC80" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N9 -> N10 [color="#4DB6AC" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N10 -> N11 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N6 -> N0 [color="#FFCC80" penwidth=1.5 style=dashed label="models" dir=forward]
+	N7 -> N1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_339.txt b/train/diagrams/easy/diagrams_339.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3bb4148f0d3b4589df8c6cb21a1e6bacdf15023
--- /dev/null
+++ b/train/diagrams/easy/diagrams_339.txt
@@ -0,0 +1,9 @@
+<Aquifer Recharge, connectedTo, Hydroelectric Power Generation>
+<Dam Management, connectedTo, Aquifer Recharge>
+<Hydroelectric Power Generation, protects, Pollution Source Identification>
+<Pollution Source Identification, evaluates, Desalination>
+<Rainwater Harvesting, connectedTo, Dam Management>
+<Water Distribution, purifies, Rainwater Harvesting>
+<Water Meter Reading, assesses, Water Distribution>
+<Water Scarcity Mitigation, connectedTo, Rainwater Harvesting>
+<Water Scarcity Mitigation, connectedTo, Water Meter Reading>
diff --git a/train/diagrams/easy/diagrams_340.txt b/train/diagrams/easy/diagrams_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e9370d29056aa8ee6242889048f761b6b8c0b75f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_340.txt
@@ -0,0 +1,10 @@
+<Drinking Water Standards Compliance, connectedTo, Stormwater Management>
+<Flood Control, connectedTo, Water Resource Planning>
+<Smart Water Networks, constructs, Watershed Management>
+<Stormwater Management, connectedTo, Water Quality Monitoring>
+<Water Distribution, collects, Smart Water Networks>
+<Water Quality Monitoring, connectedTo, Drinking Water Standards Compliance>
+<Water Quality Monitoring, permits, Smart Water Networks>
+<Water Quality Monitoring, responds, Water Distribution>
+<Water Source Identification, connectedTo, Drinking Water Standards Compliance>
+<Watershed Management, conserves, Flood Control>
diff --git a/train/diagrams/easy/diagrams_343.dot b/train/diagrams/easy/diagrams_343.dot
new file mode 100644
index 0000000000000000000000000000000000000000..623b6f925acb59e3ba2f693b5c6c9049e086eafb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_343.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Watershed Management" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N1 [label="Dam Management" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N2 [label="Smart Water Networks" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N3 [label="Water Distribution" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+	N4 [label="Reservoir Operation" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N5 [label="Groundwater Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=vnode_shape style=filled]
+	N6 [label="Water Rights Management" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+	N7 [label="Industrial Water Use Optimization" color="#FFDA4E" fillcolor="#FFE88D" shape=document style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#73C6BC" penwidth=1.5 style=solid label="detects" dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=solid label="designs" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="supplies" dir=forward]
+	N5 -> N6 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N1 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_344.txt b/train/diagrams/easy/diagrams_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8cb66e28b37e3c0a93f96bed525db3f408a4dd8d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_344.txt
@@ -0,0 +1,11 @@
+<Ecosystem Protection, irrigates, Flood Control>
+<Ecosystem Protection, warns, Groundwater Management>
+<Flood Control, connectedTo, Hydroelectric Power Generation>
+<Groundwater Management, plans, Rainwater Harvesting>
+<Hydrological Modeling, connectedTo, Sewer System Inspection>
+<Piping Network Repair, mitigates, Water Scarcity Mitigation>
+<Rainwater Harvesting, manages, Hydrological Modeling>
+<Sewer System Inspection, connectedTo, Piping Network Repair>
+<Wastewater Treatment, recycles, Ecosystem Protection>
+<Water Scarcity Mitigation, pumps, Flood Control>
+<Water Treatment, designs, Wastewater Treatment>
diff --git a/train/diagrams/easy/diagrams_345.txt b/train/diagrams/easy/diagrams_345.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8546e30bfed12427bc5b717ce2fb3e5267bd6537
--- /dev/null
+++ b/train/diagrams/easy/diagrams_345.txt
@@ -0,0 +1,9 @@
+<Chemical Recycling, connectedTo, Recycling Infrastructure Development>
+<Collection Point Management, audits, Waste Audit for Recycling>
+<Commercial Recycling Solutions, supports, Industrial Recycling Programs>
+<Composting Organic Waste, converts, Chemical Recycling>
+<Industrial Recycling Programs, connectedTo, Recycling Facility Optimization>
+<Recycling Facility Optimization, connectedTo, Tyre Recycling>
+<Recycling Infrastructure Development, sorts, Commercial Recycling Solutions>
+<Tyre Recycling, connectedTo, Composting Organic Waste>
+<Waste Audit for Recycling, segregates, Chemical Recycling>
diff --git a/train/diagrams/easy/diagrams_346.txt b/train/diagrams/easy/diagrams_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..94d94ce4615cb28c3cfa41ba0f0d7b76f8dea045
--- /dev/null
+++ b/train/diagrams/easy/diagrams_346.txt
@@ -0,0 +1,9 @@
+<Advanced Sorting Technologies, connectedTo, Electronic Waste Recycling>
+<Advanced Sorting Technologies, designs, Sorting and Segregation>
+<Electronic Waste Recycling, connectedTo, Recycling Infrastructure Development>
+<Electronic Waste Recycling, enforces, Material Collection>
+<End_of_Life Product Management, grades, Sorting and Segregation>
+<Material Collection, reprocesses, Waste Audit for Recycling>
+<Recycling Infrastructure Development, segregates, End_of_Life Product Management>
+<Sorting and Segregation, connectedTo, Recycling Facility Optimization>
+<Waste Audit for Recycling, finances, Advanced Sorting Technologies>
diff --git a/train/diagrams/easy/diagrams_347.dot b/train/diagrams/easy/diagrams_347.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e85673f3e0e7d84708fc19e6d48b8fef494343a3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_347.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Collection Point Management" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N1 [label="Life Cycle Assessment" color="#4285F4" fillcolor="#D0E0F8" shape=multipledocuments style=filled]
+	N2 [label="Recycling Education" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N3 [label="Reprocessing into Raw Material" color="#B0C5CD" fillcolor="#DFE7EB" shape=document style=filled]
+	N4 [label="Paper Recycling" color="#4285F4" fillcolor="#D0E0F8" shape=rect style=filled]
+	N5 [label="Recycling Market Development" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N6 [label="Material Collection" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N7 [label="Waste Stream Analysis" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N8 [label="Recycling Data Tracking" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N9 [label="Battery Recycling" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N10 [label="Sorting and Segregation" color="#388E3C" fillcolor="#F1F8E9" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="measures" dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=dashed label="finances" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="treats" dir=forward]
+	N3 -> N4 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4285F4" penwidth=1.5 style=solid label="minimizes" dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="manufactures" dir=forward]
+	N6 -> N7 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="designs" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N1 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N3 [color="#4285F4" penwidth=1.5 style=solid label="reports" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_348.txt b/train/diagrams/easy/diagrams_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4fbf8d07587deac1bbdd0e98af4777afca40cb7f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_348.txt
@@ -0,0 +1,8 @@
+<Chemical Recycling, connectedTo, New Product Manufacturing>
+<Closed_Loop Material Flow, connectedTo, Chemical Recycling>
+<Closed_Loop Material Flow, connectedTo, Recycling Facility Optimization>
+<Electronic Waste Recycling, transports, Hazardous Material Recovery>
+<Energy Recovery from Non_Recyclables, connectedTo, Metal Recycling>
+<Hazardous Material Recovery, forms, Chemical Recycling>
+<Metal Recycling, promotes, Electronic Waste Recycling>
+<Recycling Facility Optimization, complies, Energy Recovery from Non_Recyclables>
diff --git a/train/diagrams/easy/diagrams_350.txt b/train/diagrams/easy/diagrams_350.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34c7ec6a343417b160c11c1dd4a7949e6059cf44
--- /dev/null
+++ b/train/diagrams/easy/diagrams_350.txt
@@ -0,0 +1,12 @@
+<Cleaning and Processing, connectedTo, Collection Point Management>
+<Cleaning and Processing, connectedTo, Industrial Recycling Programs>
+<Cleaning and Processing, innovates, Material Collection>
+<Contamination Reduction, processes, Recycling Policy Advocacy>
+<Electronic Waste Recycling, connectedTo, Recycling Data Tracking>
+<Glass Recycling, complies, Mechanical Recycling>
+<Industrial Recycling Programs, optimizes, Glass Recycling>
+<Material Collection, treats, Electronic Waste Recycling>
+<Mechanical Recycling, connectedTo, Contamination Reduction>
+<Recycling Data Tracking, reuses, Industrial Recycling Programs>
+<Recycling Policy Advocacy, supports, Collection Point Management>
+<Waste Audit for Recycling, connectedTo, Cleaning and Processing>
diff --git a/train/diagrams/easy/diagrams_352.txt b/train/diagrams/easy/diagrams_352.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c79f1b6feed3e0c23e81a9c67138cc7a94ba94d6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_352.txt
@@ -0,0 +1,9 @@
+<Advanced Sorting Technologies, connectedTo, Construction Waste Recycling>
+<Construction Waste Recycling, connectedTo, Contamination Reduction>
+<Contamination Reduction, processes, Sorting and Segregation>
+<Recycling Data Tracking, bundles, Advanced Sorting Technologies>
+<Recycling Data Tracking, connectedTo, Reprocessing into Raw Material>
+<Recycling Education, melts, Recycling Data Tracking>
+<Reprocessing into Raw Material, connectedTo, Advanced Sorting Technologies>
+<Sorting and Segregation, connectedTo, Advanced Sorting Technologies>
+<Sorting and Segregation, tracks, Glass Recycling>
diff --git a/train/diagrams/easy/diagrams_354.txt b/train/diagrams/easy/diagrams_354.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9118320d5064234d82e7e53f037297742e2c0109
--- /dev/null
+++ b/train/diagrams/easy/diagrams_354.txt
@@ -0,0 +1,10 @@
+<Ecological Restoration, measures, Reforestation>
+<Forest Carbon Accounting, assesses, Forestry Education>
+<Forest Health Monitoring, certifies, Logging Operations>
+<Forestry Education, conserves, Urban Forestry Management>
+<Forestry Equipment Maintenance, thins, Forest Health Monitoring>
+<Logging Operations, connectedTo, Ecological Restoration>
+<Reforestation, connectedTo, Sawmill Processing>
+<Sawmill Processing, connectedTo, Forestry Equipment Maintenance>
+<Urban Forestry Management, connectedTo, Reforestation>
+<Urban Forestry Management, processes, Sawmill Processing>
diff --git a/train/diagrams/easy/diagrams_355.txt b/train/diagrams/easy/diagrams_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..30f6d67ff9fd4cb7d8e05255c2519e9ba65b4a10
--- /dev/null
+++ b/train/diagrams/easy/diagrams_355.txt
@@ -0,0 +1,11 @@
+<Afforestation, connectedTo, Silviculture>
+<Ecological Restoration, processes, Urban Forestry Management>
+<Forestry Education, connectedTo, Tree Planting>
+<Forestry Equipment Maintenance, connectedTo, Ecological Restoration>
+<GIS Mapping for Forestry, connectedTo, Reforestation>
+<Public Access Management, constructs, Forestry Equipment Maintenance>
+<Reforestation, reports, Public Access Management>
+<Reforestation, sells, Ecological Restoration>
+<Silviculture, connectedTo, GIS Mapping for Forestry>
+<Tree Planting, connectedTo, Afforestation>
+<Urban Forestry Management, plants, Tree Planting>
diff --git a/train/diagrams/easy/diagrams_356.txt b/train/diagrams/easy/diagrams_356.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c013df23675c28e2930915c591e89b6c9f1750ec
--- /dev/null
+++ b/train/diagrams/easy/diagrams_356.txt
@@ -0,0 +1,9 @@
+<Afforestation, protects, Illegal Logging Prevention>
+<Climate Change Adaptation in Forests, identifies, Ecological Restoration>
+<Drone Surveying for Forests, prunes, Afforestation>
+<Forestry Education, connectedTo, Watershed Protection>
+<Forestry Education, removes, Afforestation>
+<Illegal Logging Prevention, connectedTo, Recreation Management>
+<Recreation Management, connectedTo, Climate Change Adaptation in Forests>
+<Soil Conservation, processes, Forestry Education>
+<Watershed Protection, sells, Drone Surveying for Forests>
diff --git a/train/diagrams/easy/diagrams_360.txt b/train/diagrams/easy/diagrams_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17f68a33b4e4373530ab80d9ea135723745f0ea2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_360.txt
@@ -0,0 +1,11 @@
+<Agroforestry Systems, connectedTo, Forest Inventory>
+<Biodiversity Conservation in Forests, connectedTo, Urban Forestry Management>
+<Climate Change Adaptation in Forests, audits, Forest Road Construction>
+<Drone Surveying for Forests, plants, Climate Change Adaptation in Forests>
+<Forest Inventory, cultivates, Biodiversity Conservation in Forests>
+<Forest Inventory, educates, Forest Road Construction>
+<Forest Road Construction, sustains, Wildlife Habitat Management>
+<Logging Operations, connectedTo, Wood Product Manufacturing>
+<Sustainable Forest Management, certifies, Agroforestry Systems>
+<Urban Forestry Management, connectedTo, Drone Surveying for Forests>
+<Wildlife Habitat Management, connectedTo, Logging Operations>
diff --git a/train/diagrams/easy/diagrams_363.dot b/train/diagrams/easy/diagrams_363.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ca0b6fa21e32f1d01ac6a9af74783ff9a558a990
--- /dev/null
+++ b/train/diagrams/easy/diagrams_363.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Client Communication" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N1 [label="Hospice Care for Animals" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N2 [label="Genetic Counseling for Animals" color="#4DD0E1" fillcolor="#C9F0F0" shape=inputoutput style=filled]
+	N3 [label="Behavioral Counseling" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N4 [label="Euthanasia Services" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N5 [label="Parasite Control" color="#4DD0E1" fillcolor="#C9F0F0" shape=preparation style=filled]
+	N6 [label="Dental Care" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N7 [label="Nutritional Counseling" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N8 [label="Medical Record Keeping" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N9 [label="Veterinary Technology Training" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N10 [label="Equine Care" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+	N11 [label="Pet Check_up" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="anesthetizes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="consults" dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="sedates" dir=forward]
+	N9 -> N10 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#4DD0E1" penwidth=1.5 style=solid label="admits" dir=forward]
+	N2 -> N6 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_367.txt b/train/diagrams/easy/diagrams_367.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60d8360cef9001f31bc85bb2d585578b67e188e2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_367.txt
@@ -0,0 +1,8 @@
+<Anesthesia Administration, connectedTo, Prescription>
+<Anesthesia Administration, prescribes, Euthanasia Services>
+<Dental Care, discharges, Prescription>
+<Euthanasia Services, connectedTo, Medical Treatment>
+<Medical Treatment, connectedTo, Dental Care>
+<Prescription, operates, Veterinary Pathology>
+<Veterinary Pathology, treats, Wildlife Rehabilitation>
+<Wildlife Rehabilitation, connectedTo, Public Health Vet Services>
diff --git a/train/diagrams/easy/diagrams_368.dot b/train/diagrams/easy/diagrams_368.dot
new file mode 100644
index 0000000000000000000000000000000000000000..442531ebbe0e76a98d613d9efad22d1ca702cb4e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_368.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Parasite Control" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N1 [label="Pre_surgical Assessment" color="#FFA726" fillcolor="#FFF3E0" shape=action style=filled]
+	N2 [label="Nutritional Counseling" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N3 [label="Diagnosis" color="#FFA726" fillcolor="#FFF3E0" shape=action style=filled]
+	N4 [label="Pharmacy Management" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N5 [label="Genetic Counseling for Animals" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N6 [label="Medical Treatment" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N7 [label="Wildlife Rehabilitation" color="#FFA726" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="rescues" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid label="advises" dir=forward]
+	N2 -> N3 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#9575CD" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N4 [color="#000000" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N1 -> N0 [color="#FFA726" penwidth=1.5 style=solid label="rehabilitates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_375.dot b/train/diagrams/easy/diagrams_375.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dd06f15a17bdebd1a940beb790d023fd1d2bea58
--- /dev/null
+++ b/train/diagrams/easy/diagrams_375.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Field Trip Organization" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N1 [label="Motor Skill Development" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N2 [label="Hygiene Practices" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N3 [label="Special Needs Accommodation" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N4 [label="Early Literacy Programs" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N5 [label="Diaper Changing" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N6 [label="Learning Material Selection" color="#CD8FF2" fillcolor="#ECCFF5" shape=rectangle style=filled]
+	N7 [label="Group Activities Coordination" color="#E91E63" fillcolor="#F8BBD0" shape=action style=filled]
+	N8 [label="Music and Movement Activities" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N9 [label="First Aid Administration" color="#CD8FF2" fillcolor="#ECCFF5" shape=document style=filled]
+	N10 [label="Story Time Reading" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N11 [label="Playground Safety Inspection" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=dashed label="enrolls" dir=forward]
+	N3 -> N4 [color="#E91E63" penwidth=1.5 style=dashed label="prepares" dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N5 -> N6 [color="#CD8FF2" penwidth=1.5 style=solid label="plays with" dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#E91E63" penwidth=1.5 style=solid label="engages" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N4 -> N10 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N10 -> N8 [color="#F7BEE0" penwidth=1.5 style=solid label="assesses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_377.txt b/train/diagrams/easy/diagrams_377.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a8c78c231a25103279e1218c9a704c905a898262
--- /dev/null
+++ b/train/diagrams/easy/diagrams_377.txt
@@ -0,0 +1,8 @@
+<Financial Management Assistance, cares for, Personal Care Assistance>
+<Financial Management Assistance, connectedTo, Pain Management>
+<Hospice Care Coordination, connectedTo, Personal Care Assistance>
+<Medication Management, plans, Financial Management Assistance>
+<Mobility Support, connectedTo, Hospice Care Coordination>
+<Pain Management, counsels, Chronic Disease Management>
+<Personal Care Assistance, connectedTo, Medication Management>
+<Physical Therapy, facilitates, Mobility Support>
diff --git a/train/diagrams/easy/diagrams_382.txt b/train/diagrams/easy/diagrams_382.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab97af38447df5a1acc7ea640709490736927a6f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_382.txt
@@ -0,0 +1,12 @@
+<Caregiver Training, cares for, Family Communication>
+<Caregiver Training, optimizes, Safety Assessments>
+<Cognitive Stimulation Activities, connectedTo, Legal Aid Referrals>
+<Fall Prevention, personalizes, Health Monitoring>
+<Family Communication, connectedTo, Fall Prevention>
+<Health Monitoring, connectedTo, Telehealth for Seniors>
+<Legal Aid Referrals, monitors, Occupational Therapy>
+<Nutritional Assessment, coordinates, Recreational Activities Planning>
+<Occupational Therapy, escorts, Family Communication>
+<Recreational Activities Planning, documents, Caregiver Training>
+<Safety Assessments, connectedTo, Telehealth for Seniors>
+<Telehealth for Seniors, trains, Cognitive Stimulation Activities>
diff --git a/train/diagrams/easy/diagrams_383.dot b/train/diagrams/easy/diagrams_383.dot
new file mode 100644
index 0000000000000000000000000000000000000000..239e75e79fd61b48dc81426fdebd117e69389d4d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_383.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Physical Therapy" color="#26A69A" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N1 [label="Fall Prevention" color="#FFB2A5" fillcolor="#FFDCD6" shape=action style=filled]
+	N2 [label="Emergency Response System Monitoring" color="#4285F4" fillcolor="#D0E0F8" shape=action style=filled]
+	N3 [label="Occupational Therapy" color="#FFB2A5" fillcolor="#FFDCD6" shape=rectangle style=filled]
+	N4 [label="Recreational Activities Planning" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N5 [label="Social Engagement Activities" color="#26A69A" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N6 [label="Memory Care" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N7 [label="Home Health Aide Services" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N8 [label="Speech Therapy" color="#26A69A" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="administers" dir=forward]
+	N1 -> N2 [color="#4285F4" penwidth=1.5 style=dashed label="supervises" dir=forward]
+	N2 -> N3 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#26A69A" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N7 -> N2 [color="#FFB2A5" penwidth=1.5 style=solid label="personalizes" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_384.txt b/train/diagrams/easy/diagrams_384.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a635b67a6fc15eb5ed33e43f518ce5c141c6ca00
--- /dev/null
+++ b/train/diagrams/easy/diagrams_384.txt
@@ -0,0 +1,9 @@
+<Companionship, connectedTo, Rehabilitation Support>
+<Companionship, escorts, Occupational Therapy>
+<Elder Abuse Prevention, cares for, Smart Home Integration for Seniors>
+<Occupational Therapy, oversees, Speech Therapy>
+<Rehabilitation Support, counsels, Companionship>
+<Smart Home Integration for Seniors, connectedTo, Physical Therapy>
+<Social Engagement Activities, connectedTo, Elder Abuse Prevention>
+<Speech Therapy, engages, Social Engagement Activities>
+<Transportation Assistance, communicates, Rehabilitation Support>
diff --git a/train/diagrams/easy/diagrams_385.txt b/train/diagrams/easy/diagrams_385.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a9a7987a3652fbf184b1aa23e85efeb460609a3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_385.txt
@@ -0,0 +1,10 @@
+<Damage Assessment, connectedTo, Post_Disaster Evaluation>
+<Damage Assessment, evacuates, Mitigation Strategies>
+<Drone Deployment for Assessment, connectedTo, Damage Assessment>
+<Evacuation Procedures, surveys, Logistics and Supply Chain>
+<Hazard Mapping, identifies, Mitigation Strategies>
+<Logistics and Supply Chain, connectedTo, Policy and Legislation Review>
+<Mitigation Strategies, deploys, Logistics and Supply Chain>
+<Mitigation Strategies, drills, Resilience Building>
+<Post_Disaster Evaluation, plans, Hazard Mapping>
+<Resilience Building, mobilizes, Evacuation Procedures>
diff --git a/train/diagrams/easy/diagrams_386.dot b/train/diagrams/easy/diagrams_386.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1763d86ce3c829c7d456b58873c9258cff03ec13
--- /dev/null
+++ b/train/diagrams/easy/diagrams_386.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Early Recovery Actions" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N1 [label="Communication Protocols" color="#00BCD4" fillcolor="#B2EBF2" shape=multipledocuments style=filled]
+	N2 [label="Recovery Planning" color="#00BCD4" fillcolor="#B2EBF2" shape=document style=filled]
+	N3 [label="Emergency Drills and Exercises" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N4 [label="Policy and Legislation Review" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+	N5 [label="Vulnerability Analysis" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N6 [label="Risk Assessment" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N7 [label="Economic Recovery Initiatives" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A1887F" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N2 -> N3 [color="#A1887F" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N3 -> N4 [color="#A1887F" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="mobilizes" dir=forward]
+	N6 -> N5 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_388.dot b/train/diagrams/easy/diagrams_388.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f1a57b0757c71830136b83f8eebb43e7f2d8f995
--- /dev/null
+++ b/train/diagrams/easy/diagrams_388.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Drone Deployment for Assessment" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N1 [label="Vulnerability Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N2 [label="Logistics and Supply Chain" color="#FFE69C" fillcolor="#FFF9D4" shape=predefinedprocess style=filled]
+	N3 [label="Geographic Information Systems for Disasters" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N4 [label="Community Preparedness" color="#FFE69C" fillcolor="#FFF9D4" shape=rectangle style=filled]
+	N5 [label="Environmental Remediation" color="#FFE69C" fillcolor="#FFF9D4" shape=preparation style=filled]
+	N6 [label="Reconstruction" color="#66BB6A" fillcolor="#E8F5E9" shape=predefinedprocess style=filled]
+	N7 [label="Damage Assessment" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N8 [label="Emergency Response" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N2 -> N3 [color="#66BB6A" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N3 -> N4 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=solid label="mobilizes" dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=dashed label="rebuilds" dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFE69C" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N8 -> N7 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N6 -> N0 [color="#66BB6A" penwidth=1.5 style=solid label="restores" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_388.txt b/train/diagrams/easy/diagrams_388.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ea423d874c239860ec9f43b516615159b80c4cc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_388.txt
@@ -0,0 +1,10 @@
+<Community Preparedness, mobilizes, Environmental Remediation>
+<Damage Assessment, warns, Emergency Response>
+<Drone Deployment for Assessment, connectedTo, Vulnerability Analysis>
+<Emergency Response, monitors, Damage Assessment>
+<Environmental Remediation, rebuilds, Reconstruction>
+<Geographic Information Systems for Disasters, connectedTo, Community Preparedness>
+<Logistics and Supply Chain, supports, Geographic Information Systems for Disasters>
+<Reconstruction, connectedTo, Damage Assessment>
+<Reconstruction, restores, Drone Deployment for Assessment>
+<Vulnerability Analysis, protects, Logistics and Supply Chain>
diff --git a/train/diagrams/easy/diagrams_391.dot b/train/diagrams/easy/diagrams_391.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9bfc5893fcf90f1fe1e4638048ded15c983ab853
--- /dev/null
+++ b/train/diagrams/easy/diagrams_391.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Debris Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N1 [label="Economic Recovery Initiatives" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N2 [label="Resilience Building" color="#A2D0FF" fillcolor="#E8F0FF" shape=predefinedprocess style=filled]
+	N3 [label="Capacity Building for Local Communities" color="#A2D0FF" fillcolor="#E8F0FF" shape=multipledocuments style=filled]
+	N4 [label="Logistics and Supply Chain" color="#73C6BC" fillcolor="#D0EFEE" shape=parallelogram style=filled]
+	N5 [label="Mitigation Strategies" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	N6 [label="Information Dissemination" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N7 [label="Geographic Information Systems for Disasters" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N0 -> N1 [color="#F06292" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N1 -> N2 [color="#F06292" penwidth=1.5 style=dashed label="reconstructs" dir=forward]
+	N2 -> N3 [color="#F06292" penwidth=1.5 style=dashed label="donates" dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A2D0FF" penwidth=1.5 style=solid label="deploys" dir=forward]
+	N6 -> N7 [color="#F06292" penwidth=1.5 style=dashed label="evaluates" dir=forward]
+	N1 -> N7 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N4 -> N2 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_391.txt b/train/diagrams/easy/diagrams_391.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1d63e34c804527eab954a05350fb0c36969089bd
--- /dev/null
+++ b/train/diagrams/easy/diagrams_391.txt
@@ -0,0 +1,9 @@
+<Capacity Building for Local Communities, connectedTo, Logistics and Supply Chain>
+<Debris Management, treats, Economic Recovery Initiatives>
+<Economic Recovery Initiatives, connectedTo, Geographic Information Systems for Disasters>
+<Economic Recovery Initiatives, reconstructs, Resilience Building>
+<Information Dissemination, evaluates, Geographic Information Systems for Disasters>
+<Logistics and Supply Chain, connectedTo, Mitigation Strategies>
+<Logistics and Supply Chain, connectedTo, Resilience Building>
+<Mitigation Strategies, deploys, Information Dissemination>
+<Resilience Building, donates, Capacity Building for Local Communities>
diff --git a/train/diagrams/easy/diagrams_392.dot b/train/diagrams/easy/diagrams_392.dot
new file mode 100644
index 0000000000000000000000000000000000000000..29470c8b78da536f23c6270b8ceab8549c6d96df
--- /dev/null
+++ b/train/diagrams/easy/diagrams_392.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Incident Command System" color="#673AB7" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N1 [label="Medical Aid Deployment" color="#AED581" fillcolor="#F0F4C3" shape=vnode_shape style=filled]
+	N2 [label="International Aid Coordination" color="#AED581" fillcolor="#F0F4C3" shape=vnode_shape style=filled]
+	N3 [label="Risk Assessment" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N4 [label="Information Dissemination" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N5 [label="Recovery Planning" color="#673AB7" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N6 [label="Mitigation Strategies" color="#AED581" fillcolor="#F0F4C3" shape=preparation style=filled]
+	N7 [label="Resilience Building" color="#AED581" fillcolor="#F0F4C3" shape=action style=filled]
+	N8 [label="Environmental Remediation" color="#AED581" fillcolor="#F0F4C3" shape=preparation style=filled]
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=dashed label="prevents" dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=dashed label="mitigates" dir=forward]
+	N5 -> N6 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FF5722" penwidth=1.5 style=solid label="shelters" dir=forward]
+	N5 -> N0 [color="#673AB7" penwidth=1.5 style=dashed label="alerts" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_393.txt b/train/diagrams/easy/diagrams_393.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bddadc9469d08042691a8bf6a317516d1e12d32e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_393.txt
@@ -0,0 +1,12 @@
+<Basic Training, disarms, Military Strategy Development>
+<Counter_Insurgency Operations, connectedTo, Recruitment>
+<Disaster Relief Deployment, connectedTo, Operations Planning>
+<Disaster Relief Deployment, monitors, Logistics Support>
+<Joint Exercises, commands, Counter_Insurgency Operations>
+<Logistics Support, connectedTo, Medical Support>
+<Medical Support, innovates, Rules of Engagement>
+<Operations Planning, protects, Logistics Support>
+<Readiness Assessment, connectedTo, Veteran Support>
+<Recruitment, negotiates, Disaster Relief Deployment>
+<Rules of Engagement, connectedTo, Readiness Assessment>
+<Veteran Support, executes, Basic Training>
diff --git a/train/diagrams/easy/diagrams_394.dot b/train/diagrams/easy/diagrams_394.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cbdd33d810c8382f9532431fff36592aafeaea87
--- /dev/null
+++ b/train/diagrams/easy/diagrams_394.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Naval Operations" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N1 [label="Targeting" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N2 [label="Combat Operations" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N3 [label="Unmanned Systems Operation" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N4 [label="Surveillance" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N5 [label="Specialized Training" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N6 [label="Crisis Management" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N7 [label="Air Operations" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N8 [label="Family Support Programs" color="#FFCC80" fillcolor="#FFF0CC" shape=action style=filled]
+	N9 [label="Civil_Military Cooperation" color="#00BCD4" fillcolor="#B2EBF2" shape=preparation style=filled]
+	N10 [label="Ground Operations" color="#7E57C2" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=solid label="trains" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N7 -> N8 [color="#7E57C2" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid label="defends" dir=forward]
+	N9 -> N10 [color="#FFCC80" penwidth=1.5 style=solid label="researches" dir=forward]
+	N1 -> N0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_395.txt b/train/diagrams/easy/diagrams_395.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2520223d7773cd3e99c87a415175c1c2742ca068
--- /dev/null
+++ b/train/diagrams/easy/diagrams_395.txt
@@ -0,0 +1,12 @@
+<Civil_Military Cooperation, connectedTo, Troop Deployment>
+<Counter_Insurgency Operations, defends, Counter_Terrorism Operations>
+<Counter_Terrorism Operations, connectedTo, Crisis Management>
+<Crisis Management, inspects, Reconnaissance>
+<Demobilization, connectedTo, Counter_Insurgency Operations>
+<Equipment Maintenance, detains, Civil_Military Cooperation>
+<Equipment Maintenance, innovates, Crisis Management>
+<Ground Operations, connectedTo, Specialized Training>
+<Reconnaissance, assists, Targeting>
+<Specialized Training, analyzes, Demobilization>
+<Targeting, connectedTo, Counter_Insurgency Operations>
+<Troop Deployment, negotiates, Ground Operations>
diff --git a/train/diagrams/easy/diagrams_399.txt b/train/diagrams/easy/diagrams_399.txt
new file mode 100644
index 0000000000000000000000000000000000000000..07c7692c019689235d8a9656817ad1cf59504829
--- /dev/null
+++ b/train/diagrams/easy/diagrams_399.txt
@@ -0,0 +1,11 @@
+<Chaplain Services, enforces, Rules of Engagement>
+<Electronic Warfare, connectedTo, Recruitment>
+<Equipment Maintenance, connectedTo, Peacekeeping Missions>
+<Equipment Maintenance, deploys, Unmanned Systems Operation>
+<Ground Operations, connectedTo, Equipment Maintenance>
+<Peacekeeping Missions, negotiates, Rules of Engagement>
+<Personnel Management, innovates, Electronic Warfare>
+<Recruitment, intelligence, Chaplain Services>
+<Rules of Engagement, coordinates, Space Operations>
+<Space Operations, interdicts, Personnel Management>
+<Unmanned Systems Operation, attacks, Peacekeeping Missions>
diff --git a/train/diagrams/easy/diagrams_4.txt b/train/diagrams/easy/diagrams_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b26cf61fd371617d8264b7692aa39d1417155601
--- /dev/null
+++ b/train/diagrams/easy/diagrams_4.txt
@@ -0,0 +1,10 @@
+<Account Closure, collects, Blockchain Verification>
+<Approval Decision, connectedTo, Account Closure>
+<Blockchain Verification, connectedTo, Investment Planning>
+<Collateral Evaluation, approves, Loan Processing>
+<Collateral Evaluation, evaluates, Investment Planning>
+<Fraud Check, allocates, Income Verification>
+<Income Verification, disburses, Collateral Evaluation>
+<Investment Planning, connectedTo, Approval Decision>
+<Loan Processing, forecasts, Blockchain Verification>
+<Mortgage Application, connectedTo, Fraud Check>
diff --git a/train/diagrams/easy/diagrams_40.dot b/train/diagrams/easy/diagrams_40.dot
new file mode 100644
index 0000000000000000000000000000000000000000..62da9b543e0bd637b05791e88d23c2b836735e7b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_40.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Shipment" color="#388E3C" fillcolor="#F1F8E9" shape=action style=filled]
+	N1 [label="Loyalty Points" color="#388E3C" fillcolor="#F1F8E9" shape=document style=filled]
+	N2 [label="Customer Segmentation" color="#CB9BE1" fillcolor="#F2E6F5" shape=diamond style=filled]
+	N3 [label="Customer Inquiry" color="#388E3C" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N4 [label="Invoice Generation" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N5 [label="Warehouse Management" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+	N6 [label="Subscription Service" color="#CB9BE1" fillcolor="#F2E6F5" shape=rectangle style=filled]
+	N7 [label="User Account Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N8 [label="Data Analytics Reporting" color="#CB9BE1" fillcolor="#F2E6F5" shape=document style=filled]
+	N0 -> N1 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#CB9BE1" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#CB9BE1" penwidth=1.5 style=solid label="routes" dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=solid label="fulfills" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=dashed label="adds" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_401.txt b/train/diagrams/easy/diagrams_401.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19419a83da2c62e75ed5328b14f18b27b8417ec9
--- /dev/null
+++ b/train/diagrams/easy/diagrams_401.txt
@@ -0,0 +1,11 @@
+<Air Cargo Logistics, boards, Fueling Operations>
+<Air Cargo Logistics, connectedTo, Route Optimization>
+<Aircraft De_icing, manufactures, Route Optimization>
+<Airport Security Management, maintains, Air Cargo Logistics>
+<Cargo Loading, connectedTo, Pilot Training>
+<Passenger Boarding, connectedTo, Aircraft De_icing>
+<Pilot Training, connectedTo, Passenger Boarding>
+<Route Optimization, assembles, Cargo Loading>
+<Route Optimization, upgrades, Airport Security Management>
+<Security Screening, connectedTo, Cargo Loading>
+<Weather Briefing, connectedTo, Security Screening>
diff --git a/train/diagrams/easy/diagrams_402.txt b/train/diagrams/easy/diagrams_402.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a880879f45efaa41c241c4dbbc1bcf1f30ecc825
--- /dev/null
+++ b/train/diagrams/easy/diagrams_402.txt
@@ -0,0 +1,10 @@
+<Aircraft De_icing, briefs, Airspace Management>
+<Airspace Management, connectedTo, Flight Planning>
+<Aviation Safety Investigation, connectedTo, Fleet Management>
+<Engine Overhaul, connectedTo, In_flight Service>
+<Fleet Management, services, Pilot Training>
+<Flight Planning, boards, Cargo Loading>
+<Flight Planning, guides, In_flight Service>
+<In_flight Service, certifies, Aircraft De_icing>
+<Passenger Check_in, manufactures, Aviation Safety Investigation>
+<Pilot Training, connectedTo, Engine Overhaul>
diff --git a/train/diagrams/easy/diagrams_403.dot b/train/diagrams/easy/diagrams_403.dot
new file mode 100644
index 0000000000000000000000000000000000000000..13ef53d028aa862e1220eeb6eeae04cdd0541c8f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_403.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Navigation System Check" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N1 [label="Passenger Check_in" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N2 [label="Sustainable Aviation Fuel Development" color="#FF8A65" fillcolor="#FBE9E7" shape=vnode_shape style=filled]
+	N3 [label="Regulatory Compliance" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N4 [label="Remote Tower Operations" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N5 [label="Aircraft Manufacturing" color="#FFC107" fillcolor="#FFECB3" shape=rect style=filled]
+	N6 [label="Pilot Training" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N7 [label="Flight Planning" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N8 [label="Aviation Safety Investigation" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="unloads" dir=forward]
+	N2 -> N3 [color="#FFC107" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N7 -> N8 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N7 -> N4 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N1 [color="#000000" penwidth=1.5 style=dashed label="flies" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_407.dot b/train/diagrams/easy/diagrams_407.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c8151cacdadd7afb9a8a88be9b80e00fd60a5d83
--- /dev/null
+++ b/train/diagrams/easy/diagrams_407.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Airport Security Management" color="#A188D0" fillcolor="#DACBE3" shape=preparation style=filled]
+	N1 [label="Delay Management" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N2 [label="Next_Generation Air Traffic Management" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N3 [label="Fleet Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N4 [label="Airspace Management" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N5 [label="Ground Support" color="#A188D0" fillcolor="#DACBE3" shape=inputoutput style=filled]
+	N6 [label="Runway Management" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N7 [label="Emergency Procedures Training" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N8 [label="Baggage Handling" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=solid label="tests" dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A188D0" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N6 -> N7 [color="#4FC3F7" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N4 -> N7 [color="#D2D2D2" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N0 -> N2 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_408.txt b/train/diagrams/easy/diagrams_408.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ddab87c0ee30817c30b40c64d75b984a44e5c96
--- /dev/null
+++ b/train/diagrams/easy/diagrams_408.txt
@@ -0,0 +1,13 @@
+<Aerospace Engineering, certifies, Airworthiness Certification>
+<Aerospace Engineering, optimizes, Baggage Handling>
+<Aircraft Maintenance, connectedTo, Aircraft Manufacturing>
+<Aircraft Manufacturing, briefs, Flight Planning>
+<Airport Operations, connectedTo, Aerospace Engineering>
+<Airworthiness Certification, manages, Passenger Check_in>
+<Baggage Handling, connectedTo, Security Screening>
+<Fleet Management, connectedTo, Route Optimization>
+<Fleet Management, routes, Security Screening>
+<Flight Planning, connectedTo, Sustainable Aviation Fuel Development>
+<Route Optimization, connectedTo, Airworthiness Certification>
+<Security Screening, connectedTo, Aircraft Maintenance>
+<Sustainable Aviation Fuel Development, connectedTo, Fleet Management>
diff --git a/train/diagrams/easy/diagrams_412.dot b/train/diagrams/easy/diagrams_412.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f43cc08bf998344b197d3b535810e1115dc440f4
--- /dev/null
+++ b/train/diagrams/easy/diagrams_412.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Inertial Navigation System" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Offline Map Support" color="#7986CB" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N2 [label="Reverse Geocoding" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N3 [label="Augmented Reality Navigation" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N4 [label="Real_Time Re_routing" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N5 [label="Map Display" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N6 [label="Location_Based Services" color="#7986CB" fillcolor="#E8EAF6" shape=database style=filled]
+	N7 [label="Dead Reckoning" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N8 [label="Lane Guidance" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+	N9 [label="Indoor Navigation" color="#FFD54F" fillcolor="#FFF8E1" shape=document style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=solid label="orients" dir=forward]
+	N4 -> N5 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="syncs" dir=forward]
+	N8 -> N9 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N0 [color="#FFD54F" penwidth=1.5 style=solid label="measures" dir=forward]
+	N0 -> N6 [color="#7986CB" penwidth=1.5 style=solid label="calculates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_413.dot b/train/diagrams/easy/diagrams_413.dot
new file mode 100644
index 0000000000000000000000000000000000000000..220c9818f91397df8e064d77925e21807ed949e0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_413.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Public Transit Navigation" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N1 [label="Pedestrian Navigation" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N2 [label="Route Calculation" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N3 [label="GPS Positioning" color="#3F51B5" fillcolor="#C5CAE9" shape=parallelogram style=filled]
+	N4 [label="Historical Traffic Data Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N5 [label="Augmented Reality Navigation" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N6 [label="Digital Compass Integration" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N7 [label="ETA Estimation" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N8 [label="Celestial Navigation" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N9 [label="Location_Based Services" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N10 [label="Marine Charting" color="#FFC085" fillcolor="#FFDAB9" shape=rect style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=solid label="locates" dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid label="orients" dir=forward]
+	N2 -> N3 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=dashed label="searches" dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid label="follows" dir=forward]
+	N7 -> N8 [color="#4DD0E1" penwidth=1.5 style=solid label="syncs" dir=forward]
+	N8 -> N9 [color="#FFC085" penwidth=1.5 style=dashed label="calibrates" dir=forward]
+	N9 -> N10 [color="#FFC085" penwidth=1.5 style=solid label="routes" dir=forward]
+	N5 -> N1 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_416.dot b/train/diagrams/easy/diagrams_416.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c1f21a4257901cc7348f2ae65c0148e3a912a1cf
--- /dev/null
+++ b/train/diagrams/easy/diagrams_416.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Marine Charting" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N1 [label="Navigation Data Update" color="#CFCFCF" fillcolor="#F6F6F6" shape=database style=filled]
+	N2 [label="Autonomous Vehicle Navigation" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N3 [label="Route Calculation" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N4 [label="Altitude Tracking" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N5 [label="Geofencing" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N6 [label="Indoor Navigation" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N7 [label="Personalized Route Preferences" color="#FFC2C2" fillcolor="#FFEBEB" shape=database style=filled]
+	N8 [label="Turn_by_Turn Directions" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N9 [label="Pedestrian Navigation" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N10 [label="Dead Reckoning" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=solid label="orients" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid label="calculates" dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#CFCFCF" penwidth=1.5 style=solid label="identifies" dir=forward]
+	N8 -> N9 [color="#66BB6A" penwidth=1.5 style=solid label="leads" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_416.txt b/train/diagrams/easy/diagrams_416.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ec92db50e0fb60f63b12964b7c282af9ad53589
--- /dev/null
+++ b/train/diagrams/easy/diagrams_416.txt
@@ -0,0 +1,11 @@
+<Altitude Tracking, calculates, Geofencing>
+<Autonomous Vehicle Navigation, connectedTo, Route Calculation>
+<Geofencing, detects, Indoor Navigation>
+<Indoor Navigation, connectedTo, Personalized Route Preferences>
+<Marine Charting, orients, Navigation Data Update>
+<Navigation Data Update, verifies, Autonomous Vehicle Navigation>
+<Pedestrian Navigation, connectedTo, Dead Reckoning>
+<Personalized Route Preferences, connectedTo, Indoor Navigation>
+<Personalized Route Preferences, identifies, Turn_by_Turn Directions>
+<Route Calculation, connectedTo, Altitude Tracking>
+<Turn_by_Turn Directions, leads, Pedestrian Navigation>
diff --git a/train/diagrams/easy/diagrams_422.dot b/train/diagrams/easy/diagrams_422.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cb0377a0bace89cd8aacff565a347a34eaf33da5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_422.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Sustainable 3D Printing Materials" color="#FFF9AE" fillcolor="#FFFCE6" shape=preparation style=filled]
+	N1 [label="Printing Parameter Optimization" color="#FFC107" fillcolor="#FFECB3" shape=inputoutput style=filled]
+	N2 [label="Scaffolding for Tissue Engineering" color="#FFF9AE" fillcolor="#FFFCE6" shape=inputoutput style=filled]
+	N3 [label="3D Printed Tooling" color="#FFC107" fillcolor="#FFECB3" shape=diamond style=filled]
+	N4 [label="4D Printing" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N5 [label="File Format Conversion" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+	N6 [label="Multi_Material Printing" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N7 [label="Medical Device Prototyping" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N8 [label="3D Model Design" color="#FFC107" fillcolor="#FFECB3" shape=action style=filled]
+	N9 [label="Quality Control" color="#FFC107" fillcolor="#FFECB3" shape=multipledocuments style=filled]
+	N10 [label="Fused Deposition Modeling" color="#FFF9AE" fillcolor="#FFFCE6" shape=rect style=filled]
+	N11 [label="On_Demand Production" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFF9AE" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N2 -> N3 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=solid label="models" dir=forward]
+	N4 -> N5 [color="#FFC107" penwidth=1.5 style=dashed label="produces" dir=forward]
+	N5 -> N6 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N7 -> N8 [color="#FFF9AE" penwidth=1.5 style=solid label="protects" dir=forward]
+	N8 -> N9 [color="#A188D0" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N9 -> N10 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_425.txt b/train/diagrams/easy/diagrams_425.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d7cab03ec412e7aa71f277fc6a8b82b2f95d392
--- /dev/null
+++ b/train/diagrams/easy/diagrams_425.txt
@@ -0,0 +1,10 @@
+<Atomic Force Microscopy, connectedTo, Nanomaterial Synthesis>
+<Food Packaging Improvement, detects, Nanocomposites>
+<Nanocomposites, connectedTo, Bio_Nanotechnology Interface>
+<Nanofabrication Techniques, modifies, Atomic Force Microscopy>
+<Nanomaterial Synthesis, connectedTo, Nanoscale Imaging>
+<Nanoscale Imaging, connectedTo, Regulatory Framework for Nanotech>
+<Regulatory Framework for Nanotech, measures, Scanning Electron Microscopy>
+<Scanning Electron Microscopy, converts, Surface Functionalization>
+<Scanning Electron Microscopy, deposits, Nanocomposites>
+<Surface Functionalization, assembles, Food Packaging Improvement>
diff --git a/train/diagrams/easy/diagrams_426.dot b/train/diagrams/easy/diagrams_426.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2836b58826a6a7e371b3afe2192fb622c7f9a00c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_426.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Quantum Dots" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N1 [label="Public Perception of Nanotechnology" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N2 [label="Spectroscopy" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N3 [label="Molecular Self_Assembly" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N4 [label="Transmission Electron Microscopy" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N5 [label="Spintronics" color="#A188DB" fillcolor="#DED7F0" shape=multipledocuments style=filled]
+	N6 [label="Carbon Nanotube Synthesis" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N7 [label="Computational Nanotechnology" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N8 [label="Nanomedicine Development" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	N9 [label="Graphene Production" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N10 [label="X_ray Diffraction" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N2 -> N3 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A188DB" penwidth=1.5 style=dashed label="fabricates" dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="delivers" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N0 [color="#FBC02D" penwidth=1.5 style=solid label="secures" dir=forward]
+	N3 -> N9 [color="#FBC02D" penwidth=1.5 style=dashed label="protects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_427.dot b/train/diagrams/easy/diagrams_427.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dea6c6233d909d229a9a6c67c5d83b92f9e7a02e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_427.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Bio_Nanotechnology Interface" color="#B8C0F5" fillcolor="#ECF0FD" shape=vnode_shape style=filled]
+	N1 [label="Atomic Force Microscopy" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N2 [label="Catalysis at Nanoscale" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N3 [label="Nanofabrication Techniques" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N4 [label="Nanotoxicology" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N5 [label="Nanoparticle Characterization" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N6 [label="Nanodevice Fabrication" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N7 [label="Public Perception of Nanotechnology" color="#B8C0F5" fillcolor="#ECF0FD" shape=action style=filled]
+	N8 [label="Quantum Computing Integration" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N9 [label="Risk Assessment of Nanomaterials" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N10 [label="Ethical Implications of Nanotech" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N11 [label="Quantum Dots" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N1 -> N2 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#B8C0F5" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=solid label="complies" dir=forward]
+	N5 -> N6 [color="#FFB74D" penwidth=1.5 style=dashed label="modifies" dir=forward]
+	N6 -> N7 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="applies" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="protects" dir=forward]
+	N9 -> N10 [color="#2196F3" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N10 -> N11 [color="#FFB74D" penwidth=1.5 style=solid label="deposits" dir=forward]
+	N3 -> N7 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_429.dot b/train/diagrams/easy/diagrams_429.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a8430a0e9661d17224ddb866db96e48a7e1b7a72
--- /dev/null
+++ b/train/diagrams/easy/diagrams_429.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Quantum Dots" color="#FFF9AE" fillcolor="#FFFCE6" shape=vnode_shape style=filled]
+	N1 [label="Nanoelectronics" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N2 [label="Carbon Nanotube Synthesis" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N3 [label="Surface Functionalization" color="#64B5F6" fillcolor="#E3F2FD" shape=diamond style=filled]
+	N4 [label="Computational Nanotechnology" color="#FFF9AE" fillcolor="#FFFCE6" shape=multipledocuments style=filled]
+	N5 [label="Quantum Computing Integration" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N6 [label="Spintronics" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N7 [label="Photovoltaics" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=solid label="filters" dir=forward]
+	N1 -> N2 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF9AE" penwidth=1.5 style=solid label="educates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="characterizes" dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=solid label="converts" dir=forward]
+	N5 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_43.dot b/train/diagrams/easy/diagrams_43.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5e7102fcfe2cc976d22c1ae54c376e76047b634d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_43.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Passenger Feedback" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N1 [label="Load Balancing" color="#A1887F" fillcolor="#EFEBE9" shape=preparation style=filled]
+	N2 [label="Emergency Landing" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N3 [label="Fleet Management" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N4 [label="Fueling" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N5 [label="Boarding" color="#C0CA33" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N6 [label="Parking Management" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N7 [label="Route Diversion" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N8 [label="Security Check" color="#C0CA33" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N9 [label="Location Input" color="#C0CA33" fillcolor="#F9FBE7" shape=rect style=filled]
+	N10 [label="Ride_sharing Request" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=dashed label="coordinates" dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid label="secures" dir=forward]
+	N2 -> N3 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="logs" dir=forward]
+	N4 -> N5 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="unloads" dir=forward]
+	N6 -> N7 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#E91E63" penwidth=1.5 style=dashed label="routes" dir=forward]
+	N9 -> N10 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N9 -> N6 [color="#A1887F" penwidth=1.5 style=solid label="predicts" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_430.dot b/train/diagrams/easy/diagrams_430.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c1488ef748fce135ae27bf3d488caf4fd66dd8d8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_430.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Solar Cell Efficiency Enhancement" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N1 [label="Biosensors" color="#DCE775" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N2 [label="Atomic Force Microscopy" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N3 [label="Spintronics" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N4 [label="Regulatory Framework for Nanotech" color="#DCE775" fillcolor="#F9FBE7" shape=inputoutput style=filled]
+	N5 [label="Nanoelectronics" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N6 [label="Nanofabrication Techniques" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N7 [label="Advanced Materials Research" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N0 -> N1 [color="#B8C0F5" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N2 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid label="develops" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_431.txt b/train/diagrams/easy/diagrams_431.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d7f0870a7567415eac7402ef3e0f5d6df87e43b1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_431.txt
@@ -0,0 +1,9 @@
+<Atomic Force Microscopy, develops, Environmental Remediation with Nanomaterials>
+<Biosensors, filters, Nanoparticle Characterization>
+<Catalysis at Nanoscale, connectedTo, Quantum Computing Integration>
+<Environmental Remediation with Nanomaterials, connectedTo, Atomic Force Microscopy>
+<Environmental Remediation with Nanomaterials, converts, Biosensors>
+<Nanosensors, connectedTo, Catalysis at Nanoscale>
+<Quantum Computing Integration, connectedTo, Water Purification using Nanomaterials>
+<Surface Functionalization, visualizes, Nanosensors>
+<Water Purification using Nanomaterials, fabricates, Atomic Force Microscopy>
diff --git a/train/diagrams/easy/diagrams_434.txt b/train/diagrams/easy/diagrams_434.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7b5e36340460001bc26a0e04c9c929bceca41fc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_434.txt
@@ -0,0 +1,8 @@
+<Decoherence Mitigation, connectedTo, Post_Quantum Cryptography>
+<Decoherence Mitigation, manages, Quantum Computing in Drug Discovery>
+<Optimization Problems with Quantum Annealing, corrects, Decoherence Mitigation>
+<Post_Quantum Cryptography, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Annealing, connectedTo, Trapped Ion Qubits>
+<Quantum Computing in Drug Discovery, factors, Quantum Annealing>
+<Quantum Entanglement Generation, connectedTo, Post_Quantum Cryptography>
+<Trapped Ion Qubits, applies, Quantum Network Development>
diff --git a/train/diagrams/easy/diagrams_435.dot b/train/diagrams/easy/diagrams_435.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6ff66ecc7d2a3a3f01bdb975ef3ef339e61ce26c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_435.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Vacuum Systems for Trapped Ions" color="#03A9F4" fillcolor="#B3E5FC" shape=multipledocuments style=filled]
+	N1 [label="Quantum Programming Languages" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N2 [label="Quantum Sensing" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N3 [label="Quantum Computing in Drug Discovery" color="#E0E0E0" fillcolor="#EBEBEB" shape=rect style=filled]
+	N4 [label="Quantum Computing Education" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N5 [label="Quantum Processor Fabrication" color="#E0E0E0" fillcolor="#EBEBEB" shape=document style=filled]
+	N6 [label="Topological Qubits" color="#BDBDBD" fillcolor="#F5F5F5" shape=database style=filled]
+	N7 [label="Quantum Key Distribution" color="#BDBDBD" fillcolor="#F5F5F5" shape=document style=filled]
+	N8 [label="Quantum Cloud Computing Services" color="#E0E0E0" fillcolor="#EBEBEB" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#BDBDBD" penwidth=1.5 style=solid label="benchmarks" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=solid label="applies" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="debugs" dir=forward]
+	N7 -> N8 [color="#E0E0E0" penwidth=1.5 style=dashed label="builds" dir=forward]
+	N3 -> N6 [color="#E0E0E0" penwidth=1.5 style=solid label="entangles" dir=forward]
+	N2 -> N6 [color="#E0E0E0" penwidth=1.5 style=dashed label="configures" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_437.dot b/train/diagrams/easy/diagrams_437.dot
new file mode 100644
index 0000000000000000000000000000000000000000..78448aa7734599429c40450d6e0e7580ee6fb72e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_437.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Quantum Machine Learning" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+	N1 [label="Material Science Simulations" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N2 [label="Quantum Software Development Kit" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N3 [label="Quantum Teleportation Research" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N4 [label="Optimization Problems with Quantum Annealing" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N5 [label="Quantum Computing for AI" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N6 [label="Quantum Bit Design" color="#AF56A6" fillcolor="#DDCEDD" shape=inputoutput style=filled]
+	N7 [label="Vacuum Systems for Trapped Ions" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N1 -> N2 [color="#AF56A6" penwidth=1.5 style=solid label="entangles" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="debugs" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#B8C0F5" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=dashed label="validates" dir=forward]
+	N2 -> N4 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_439.dot b/train/diagrams/easy/diagrams_439.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6bf1fe040af64e2f31f30389fd234db41cfa645b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_439.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Post_Quantum Cryptography" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N1 [label="Quantum Advantage Demonstration" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N2 [label="Quantum Key Distribution" color="#E91E63" fillcolor="#F8BBD0" shape=vnode_shape style=filled]
+	N3 [label="Trapped Ion Qubits" color="#673AB7" fillcolor="#D1C4E9" shape=vnode_shape style=filled]
+	N4 [label="Quantum Entanglement Generation" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N5 [label="Quantum Error Correction" color="#673AB7" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N6 [label="Financial Modeling with Quantum Computing" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N7 [label="Quantum Teleportation Research" color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
+	N8 [label="Quantum Simulation" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A1887F" penwidth=1.5 style=dashed label="verifies" dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N7 -> N1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N6 -> N2 [color="#673AB7" penwidth=1.5 style=dashed label="computes" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_44.txt b/train/diagrams/easy/diagrams_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..569ab9e2c494a5693f05897e7654d58978a182d3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_44.txt
@@ -0,0 +1,9 @@
+<Bridge Inspection, calculates, Vehicle Assignment>
+<Customs Clearance, maintains, Fare Calculation>
+<Electric Vehicle Charging, dispatches, Route Diversion>
+<Fare Calculation, manages, Electric Vehicle Charging>
+<Location Input, assigns, Customs Clearance>
+<Route Diversion, connectedTo, Bridge Inspection>
+<Route Diversion, connectedTo, Electric Vehicle Charging>
+<Train Dispatch, connectedTo, Public Transport Ticketing>
+<Vehicle Assignment, regulates, Train Dispatch>
diff --git a/train/diagrams/easy/diagrams_441.txt b/train/diagrams/easy/diagrams_441.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d2b163e8e2f4133389da987d3a4da8c1d2b6123
--- /dev/null
+++ b/train/diagrams/easy/diagrams_441.txt
@@ -0,0 +1,12 @@
+<3D Model Creation, connectedTo, Spatial Audio Implementation>
+<Comfort and Ergonomics Design, collaborates, Haptic Feedback Integration>
+<Comfort and Ergonomics Design, tests, Training Simulations>
+<Data Visualization in AR or VR, develops, Haptic Feedback Integration>
+<Educational Content Development, connectedTo, Field of View Optimization>
+<Educational Content Development, interacts, Mixed Reality Solutions>
+<Field of View Optimization, connectedTo, Mixed Reality Solutions>
+<Haptic Feedback Integration, connectedTo, Eye Tracking>
+<Hardware Prototyping, connectedTo, Data Visualization in AR or VR>
+<Mixed Reality Solutions, overlays, Comfort and Ergonomics Design>
+<Spatial Audio Implementation, connectedTo, Hardware Prototyping>
+<Training Simulations, measures, 3D Model Creation>
diff --git a/train/diagrams/easy/diagrams_442.dot b/train/diagrams/easy/diagrams_442.dot
new file mode 100644
index 0000000000000000000000000000000000000000..33bf34e0a43f81b98b89f39be00c0a8a58f3951a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_442.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Gesture Recognition" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N1 [label="Field of View Optimization" color="#4DB6AC" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N2 [label="Environment Mapping" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N3 [label="Multiplayer Experience Design" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N4 [label="Ethical Considerations in AR or VR" color="#4DB6AC" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N5 [label="Neuro_VR Interfaces" color="#4DB6AC" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N6 [label="User Experience Testing" color="#4DB6AC" fillcolor="#E0F2F1" shape=preparation style=filled]
+	N7 [label="Virtual Tourism Experiences" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N0 -> N1 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E57373" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N2 -> N3 [color="#4DB6AC" penwidth=1.5 style=solid label="processes" dir=forward]
+	N3 -> N4 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=solid label="navigates" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E57373" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N7 -> N2 [color="#4DB6AC" penwidth=1.5 style=dashed label="guides" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_444.dot b/train/diagrams/easy/diagrams_444.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d83884e4a070da25df46418190433f9d38eb3682
--- /dev/null
+++ b/train/diagrams/easy/diagrams_444.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Haptic Feedback Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Augmented Reality App Development" color="#FFEB3B" fillcolor="#FFF9C4" shape=predefinedprocess style=filled]
+	N2 [label="Comfort and Ergonomics Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=document style=filled]
+	N3 [label="Spatial Audio Implementation" color="#FFEB3B" fillcolor="#FFF9C4" shape=action style=filled]
+	N4 [label="Field of View Optimization" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N5 [label="Medical Applications" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N6 [label="Multiplayer Experience Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=action style=filled]
+	N7 [label="Cloud_based AR or VR Rendering" color="#42A5F5" fillcolor="#F1F8FF" shape=action style=filled]
+	N8 [label="Hand Tracking and Interaction" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N9 [label="User Experience Testing" color="#42A5F5" fillcolor="#F1F8FF" shape=predefinedprocess style=filled]
+	N10 [label="3D Model Creation" color="#FFEB3B" fillcolor="#FFF9C4" shape=inputoutput style=filled]
+	N11 [label="Educational Content Development" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	N0 -> N1 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFEB3B" penwidth=1.5 style=dashed label="builds" dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFEB3B" penwidth=1.5 style=solid label="renders" dir=forward]
+	N6 -> N7 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+	N8 -> N9 [color="#42A5F5" penwidth=1.5 style=dashed label="immerses" dir=forward]
+	N9 -> N10 [color="#BDBDBD" penwidth=1.5 style=dashed label="overlays" dir=forward]
+	N10 -> N11 [color="#BDBDBD" penwidth=1.5 style=solid label="maps" dir=forward]
+	N9 -> N7 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N0 -> N3 [color="#000000" penwidth=1.5 style=solid label="connects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_444.txt b/train/diagrams/easy/diagrams_444.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec6db5cdc007f2b5d080c9a32a6356d2da6585fe
--- /dev/null
+++ b/train/diagrams/easy/diagrams_444.txt
@@ -0,0 +1,13 @@
+<3D Model Creation, maps, Educational Content Development>
+<Augmented Reality App Development, connectedTo, Comfort and Ergonomics Design>
+<Cloud_based AR or VR Rendering, audits, Hand Tracking and Interaction>
+<Comfort and Ergonomics Design, builds, Spatial Audio Implementation>
+<Field of View Optimization, connectedTo, Medical Applications>
+<Hand Tracking and Interaction, immerses, User Experience Testing>
+<Haptic Feedback Integration, connectedTo, Augmented Reality App Development>
+<Haptic Feedback Integration, connects, Spatial Audio Implementation>
+<Medical Applications, renders, Multiplayer Experience Design>
+<Multiplayer Experience Design, connectedTo, Cloud_based AR or VR Rendering>
+<Spatial Audio Implementation, connectedTo, Field of View Optimization>
+<User Experience Testing, connectedTo, Cloud_based AR or VR Rendering>
+<User Experience Testing, overlays, 3D Model Creation>
diff --git a/train/diagrams/easy/diagrams_447.txt b/train/diagrams/easy/diagrams_447.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a171805993afb850d8ff2db1d4ba6759685cb004
--- /dev/null
+++ b/train/diagrams/easy/diagrams_447.txt
@@ -0,0 +1,12 @@
+<Augmented Reality App Development, connectedTo, Software Development Kit Integration>
+<Comfort and Ergonomics Design, connectedTo, Neuro_VR Interfaces>
+<Comfort and Ergonomics Design, creates, Data Visualization in AR or VR>
+<Data Visualization in AR or VR, immerses, Ethical Considerations in AR or VR>
+<Environment Mapping, connectedTo, Augmented Reality App Development>
+<Ethical Considerations in AR or VR, guides, Live Event Streaming in VR>
+<Gesture Recognition, connectedTo, Environment Mapping>
+<Live Event Streaming in VR, connectedTo, Gesture Recognition>
+<Neuro_VR Interfaces, monitors, Tracking System Calibration>
+<Tracking System Calibration, connectedTo, Comfort and Ergonomics Design>
+<User Experience Testing, entertains, Gesture Recognition>
+<User Experience Testing, processes, Neuro_VR Interfaces>
diff --git a/train/diagrams/easy/diagrams_450.dot b/train/diagrams/easy/diagrams_450.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d7493e91cee667f4294764d9489e2c853f6b3a54
--- /dev/null
+++ b/train/diagrams/easy/diagrams_450.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Localization" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N1 [label="User Interface Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N2 [label="Augmented Reality Gaming" color="#BDBDBD" fillcolor="#F5F5F5" shape=inputoutput style=filled]
+	N3 [label="Esports Event Organization" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N4 [label="Game Analytics" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N5 [label="Game Performance Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N6 [label="Player Progression Systems" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N7 [label="Game Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=predefinedprocess style=filled]
+	N8 [label="Level Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N9 [label="Network Code Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N10 [label="Console Game Development" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=solid label="engages" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="programs" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="localizes" dir=forward]
+	N7 -> N8 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#AF56A6" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N9 -> N10 [color="#5C6BC0" penwidth=1.5 style=solid label="sponsors" dir=forward]
+	N8 -> N2 [color="#5C6BC0" penwidth=1.5 style=solid label="advertises" dir=forward]
+	N0 -> N2 [color="#BDBDBD" penwidth=1.5 style=solid label="researches" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_453.txt b/train/diagrams/easy/diagrams_453.txt
new file mode 100644
index 0000000000000000000000000000000000000000..50d638e78c4e9e7e6153bbedd13ac07599c7dfbb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_453.txt
@@ -0,0 +1,13 @@
+<Augmented Reality Gaming, connectedTo, Network Code Optimization>
+<Engine Development, connectedTo, Narrative Design>
+<Game Analytics, engages, User Interface Design>
+<In_Game Economy Design, monetizes, Augmented Reality Gaming>
+<Mobile Game Development, designs, Sound Design>
+<Narrative Design, connectedTo, Voice Acting>
+<Network Code Optimization, connectedTo, User Experience Design>
+<Physics Simulation, connectedTo, In_Game Economy Design>
+<Sound Design, connectedTo, Game Analytics>
+<User Experience Design, connectedTo, Engine Development>
+<User Interface Design, analyzes, Narrative Design>
+<User Interface Design, communicates, Physics Simulation>
+<Voice Acting, animates, Mobile Game Development>
diff --git a/train/diagrams/easy/diagrams_455.txt b/train/diagrams/easy/diagrams_455.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ea8868aedfd864fd467e4100ad5630be68bdb7b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_455.txt
@@ -0,0 +1,9 @@
+<Augmented Reality Gaming, publishes, Game Performance Optimization>
+<Augmented Reality Gaming, streams, Multiplayer Game Development>
+<Engine Development, leads, Game Performance Optimization>
+<Game Performance Optimization, connectedTo, Augmented Reality Gaming>
+<In_Game Economy Design, connectedTo, Multiplayer Game Development>
+<In_Game Economy Design, sponsors, Player Progression Systems>
+<Marketing and Promotion, connectedTo, Engine Development>
+<Mobile Game Development, designs, In_Game Economy Design>
+<Player Progression Systems, connectedTo, Marketing and Promotion>
diff --git a/train/diagrams/easy/diagrams_457.dot b/train/diagrams/easy/diagrams_457.dot
new file mode 100644
index 0000000000000000000000000000000000000000..36ef634984359554f4d7a5d1560c5edc6e818425
--- /dev/null
+++ b/train/diagrams/easy/diagrams_457.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Tour Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N1 [label="Instrumental Performance" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N2 [label="Sound System Design" color="#FFA726" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N3 [label="Music Therapy" color="#FFA726" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N4 [label="Lyric Writing" color="#EAEFA5" fillcolor="#FDFCEB" shape=predefinedprocess style=filled]
+	N5 [label="Music Theory Analysis" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+	N6 [label="Royalty Collection" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N7 [label="Crowdfunding for Music Projects" color="#EAEFA5" fillcolor="#FDFCEB" shape=document style=filled]
+	N8 [label="Music Festival Organization" color="#FFA726" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed label="mixes" dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=solid label="invests" dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid label="audits" dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N5 -> N6 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N6 -> N2 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N4 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_458.dot b/train/diagrams/easy/diagrams_458.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5347848288b0261df5adf99c33b3e3681b59b363
--- /dev/null
+++ b/train/diagrams/easy/diagrams_458.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Audio Engineering" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N1 [label="Sound Design for Media" color="#FFB74D" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N2 [label="Mastering" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N3 [label="Digital Audio Workstation Operation" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N4 [label="A&R" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N5 [label="Music Therapy" color="#00BCD4" fillcolor="#B2EBF2" shape=database style=filled]
+	N6 [label="Streaming Platform Management" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N7 [label="Music Distribution" color="#61CAC3" fillcolor="#C2E8E6" shape=preparation style=filled]
+	N8 [label="Live Sound Engineering" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N9 [label="Music Production" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#FFB74D" penwidth=1.5 style=dashed label="therapies" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=solid label="plays" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N7 -> N8 [color="#61CAC3" penwidth=1.5 style=solid label="mixes" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N0 -> N2 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_458.txt b/train/diagrams/easy/diagrams_458.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d189de96331370d1344508e9c45d3c34def758c2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_458.txt
@@ -0,0 +1,10 @@
+<A&R, plays, Music Therapy>
+<Audio Engineering, connectedTo, Mastering>
+<Audio Engineering, therapies, Sound Design for Media>
+<Digital Audio Workstation Operation, connectedTo, A&R>
+<Live Sound Engineering, connectedTo, Music Production>
+<Mastering, connectedTo, Digital Audio Workstation Operation>
+<Music Distribution, mixes, Live Sound Engineering>
+<Music Therapy, connectedTo, Streaming Platform Management>
+<Sound Design for Media, connectedTo, Mastering>
+<Streaming Platform Management, educates, Music Distribution>
diff --git a/train/diagrams/easy/diagrams_460.dot b/train/diagrams/easy/diagrams_460.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a627be25a367fed4573793c817b4649fcc5f8a95
--- /dev/null
+++ b/train/diagrams/easy/diagrams_460.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Artist Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N1 [label="Music Licensing" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N2 [label="Arrangement" color="#EAEFA5" fillcolor="#FDFCEB" shape=rectangle style=filled]
+	N3 [label="Sound System Design" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N4 [label="Ticketing" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N5 [label="Mastering" color="#7E57C2" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N6 [label="Sound Design for Media" color="#82DAFF" fillcolor="#C8EDFF" shape=document style=filled]
+	N7 [label="Live Sound Engineering" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N8 [label="Mixing" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#82DAFF" penwidth=1.5 style=solid label="programs" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed label="scores" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="sings" dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed label="engineers" dir=forward]
+	N7 -> N8 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N0 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_461.txt b/train/diagrams/easy/diagrams_461.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc22c6b79f6946ab61bb869deb92548808bacadb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_461.txt
@@ -0,0 +1,12 @@
+<Lyric Writing, connectedTo, Synthesizer Programming>
+<Mastering, educates, Record Label Operations>
+<Merchandise Sales, transcribes, Mixing>
+<Mixing, connectedTo, Mastering>
+<Mixing, therapies, Music for Film or TV or Games>
+<Music Licensing, syncs, Music Theory Analysis>
+<Music Theory Analysis, connectedTo, Merchandise Sales>
+<Music for Film or TV or Games, connectedTo, Performance>
+<Performance, arranges, Lyric Writing>
+<Performance, connectedTo, Music for Film or TV or Games>
+<Record Label Operations, connectedTo, Music Licensing>
+<Synthesizer Programming, publishes, Copyright Management>
diff --git a/train/diagrams/easy/diagrams_462.dot b/train/diagrams/easy/diagrams_462.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a3536552cc7dc7b260f6d54d073c0b9e265b5115
--- /dev/null
+++ b/train/diagrams/easy/diagrams_462.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Music Video Production" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N1 [label="Lyric Writing" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N2 [label="Music Licensing" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N3 [label="Performance" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N4 [label="Music for Film or TV or Games" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N5 [label="Audio Engineering" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N6 [label="Copyright Management" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N7 [label="Tour Management" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N8 [label="Live Sound Engineering" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N9 [label="Music Theory Analysis" color="#F44336" fillcolor="#FFCDD2" shape=action style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="invests" dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="sings" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=solid label="composes" dir=forward]
+	N6 -> N7 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N0 -> N8 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_462.txt b/train/diagrams/easy/diagrams_462.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b44655c15b61f596286abf12f6cb262228e60463
--- /dev/null
+++ b/train/diagrams/easy/diagrams_462.txt
@@ -0,0 +1,10 @@
+<Audio Engineering, composes, Copyright Management>
+<Copyright Management, connectedTo, Tour Management>
+<Live Sound Engineering, connectedTo, Music Theory Analysis>
+<Lyric Writing, integrates, Music Licensing>
+<Music Licensing, sings, Performance>
+<Music Video Production, connectedTo, Live Sound Engineering>
+<Music Video Production, invests, Lyric Writing>
+<Music for Film or TV or Games, connectedTo, Audio Engineering>
+<Performance, analyzes, Music for Film or TV or Games>
+<Tour Management, connectedTo, Live Sound Engineering>
diff --git a/train/diagrams/easy/diagrams_464.dot b/train/diagrams/easy/diagrams_464.dot
new file mode 100644
index 0000000000000000000000000000000000000000..95bcaef005e30db10d89ff9d5282ca8ff8112288
--- /dev/null
+++ b/train/diagrams/easy/diagrams_464.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Sampling" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N1 [label="Composition" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N2 [label="Music Education" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N3 [label="Fan Engagement Strategy" color="#00BCD4" fillcolor="#B2EBF2" shape=inputoutput style=filled]
+	N4 [label="Music Publishing" color="#BA68C8" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N5 [label="Mastering" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N6 [label="Tour Management" color="#BA68C8" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N7 [label="Music Licensing" color="#BA68C8" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N8 [label="Sound Design for Media" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N9 [label="Merchandise Sales" color="#BA68C8" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N10 [label="Streaming Platform Management" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N1 -> N2 [color="#BA68C8" penwidth=1.5 style=solid label="scores" dir=forward]
+	N2 -> N3 [color="#BA68C8" penwidth=1.5 style=dashed label="streams" dir=forward]
+	N3 -> N4 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=solid label="performs" dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#4DD0E1" penwidth=1.5 style=solid label="arranges" dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid label="programs" dir=forward]
+	N6 -> N5 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_467.txt b/train/diagrams/easy/diagrams_467.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9fafc1b48e24c4d2242ed71fc04fe8a1f54a8c6b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_467.txt
@@ -0,0 +1,13 @@
+<Budget Management, publishes, Special Effects>
+<Costume Design, connectedTo, Budget Management>
+<Costume Design, directs, Digital Asset Management>
+<Digital Asset Management, writes, Distribution Strategy>
+<Directing, builds, Film Festival Submission>
+<Distribution Strategy, connectedTo, Talent Negotiation>
+<Editing, connectedTo, Pre_production Planning>
+<Editing, connectedTo, Remote Collaboration Tools>
+<Film Festival Submission, uploads, Editing>
+<Pre_production Planning, licenses, Remote Collaboration Tools>
+<Remote Collaboration Tools, connectedTo, Budget Management>
+<Special Effects, connectedTo, Sound Recording>
+<Talent Negotiation, connectedTo, Directing>
diff --git a/train/diagrams/easy/diagrams_468.dot b/train/diagrams/easy/diagrams_468.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c0f55ed9c912e8daabfd1a6940060d05df9cf4a2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_468.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Lighting Design" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N1 [label="Production Accounting" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="Color Grading" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	N3 [label="Art Direction" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N4 [label="Archiving and Preservation" color="#BCB88A" fillcolor="#F5F5DC" shape=rectangle style=filled]
+	N5 [label="Legal Compliance" color="#388E3C" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N6 [label="Digital Asset Management" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N7 [label="Tax Incentive Management" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	N8 [label="Crew Management" color="#388E3C" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N9 [label="Production Scheduling" color="#388E3C" fillcolor="#F1F8E9" shape=action style=filled]
+	N10 [label="Visual Effects" color="#388E3C" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N11 [label="Marketing and Publicity" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="screens" dir=forward]
+	N1 -> N2 [color="#FFB74D" penwidth=1.5 style=solid label="uploads" dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="scores" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="manages" dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N6 -> N7 [color="#FFB74D" penwidth=1.5 style=dashed label="scripts" dir=forward]
+	N7 -> N8 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#388E3C" penwidth=1.5 style=solid label="secures" dir=forward]
+	N3 -> N2 [color="#388E3C" penwidth=1.5 style=dashed label="sounds" dir=forward]
+	N10 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_468.txt b/train/diagrams/easy/diagrams_468.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0a652a63486e08a11415dd13c33ae8ebc1fa5a66
--- /dev/null
+++ b/train/diagrams/easy/diagrams_468.txt
@@ -0,0 +1,13 @@
+<Archiving and Preservation, manages, Legal Compliance>
+<Art Direction, scores, Archiving and Preservation>
+<Art Direction, sounds, Color Grading>
+<Color Grading, connectedTo, Art Direction>
+<Crew Management, connectedTo, Production Scheduling>
+<Digital Asset Management, scripts, Tax Incentive Management>
+<Legal Compliance, licenses, Digital Asset Management>
+<Lighting Design, screens, Production Accounting>
+<Production Accounting, uploads, Color Grading>
+<Production Scheduling, connectedTo, Visual Effects>
+<Tax Incentive Management, connectedTo, Crew Management>
+<Visual Effects, connectedTo, Legal Compliance>
+<Visual Effects, secures, Marketing and Publicity>
diff --git a/train/diagrams/easy/diagrams_469.dot b/train/diagrams/easy/diagrams_469.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9d34a3fc51efa0564d5fa3bdfdfc05c24b8a1e1b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_469.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Audience Research" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N1 [label="Talent Negotiation" color="#FFC085" fillcolor="#FFDAB9" shape=database style=filled]
+	N2 [label="Stunt Coordination" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N3 [label="Virtual Production Techniques" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N4 [label="Production Scheduling" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N5 [label="Editing" color="#FFC085" fillcolor="#FFDAB9" shape=rect style=filled]
+	N6 [label="Pre_production Planning" color="#4CAF50" fillcolor="#C8E6C9" shape=database style=filled]
+	N7 [label="Special Effects" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N0 -> N1 [color="#4CAF50" penwidth=1.5 style=dashed label="films" dir=forward]
+	N1 -> N2 [color="#FFC085" penwidth=1.5 style=dashed label="writes" dir=forward]
+	N2 -> N3 [color="#FFC107" penwidth=1.5 style=dashed label="scripts" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#4CAF50" penwidth=1.5 style=dashed label="produces" dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=solid label="coordinates" dir=forward]
+	N0 -> N5 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_469.txt b/train/diagrams/easy/diagrams_469.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f596c56ea29291bb140192e6ba262413dacc8ba1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_469.txt
@@ -0,0 +1,8 @@
+<Audience Research, connectedTo, Editing>
+<Audience Research, films, Talent Negotiation>
+<Editing, produces, Pre_production Planning>
+<Pre_production Planning, coordinates, Special Effects>
+<Production Scheduling, connectedTo, Editing>
+<Stunt Coordination, scripts, Virtual Production Techniques>
+<Talent Negotiation, writes, Stunt Coordination>
+<Virtual Production Techniques, connectedTo, Production Scheduling>
diff --git a/train/diagrams/easy/diagrams_47.txt b/train/diagrams/easy/diagrams_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b4edf78f93281b90b17449f3777c1b1d576328f0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_47.txt
@@ -0,0 +1,11 @@
+<Bus Stop Management, connectedTo, Electric Vehicle Charging>
+<Customs Clearance, books, Vehicle Tracking>
+<Electric Vehicle Charging, connectedTo, Load Balancing>
+<Fleet Management, connectedTo, Platform Assignment>
+<Fueling, connectedTo, Fleet Management>
+<Intermodal Transfer, insures, Luggage Handling>
+<Load Balancing, alerts, Tunnel Monitoring>
+<Luggage Handling, diversifies, Fueling>
+<Platform Assignment, manages, Bus Stop Management>
+<Tunnel Monitoring, connectedTo, Customs Clearance>
+<Tunnel Monitoring, connectedTo, Fueling>
diff --git a/train/diagrams/easy/diagrams_474.txt b/train/diagrams/easy/diagrams_474.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7744305b03e20c55535cc219c509997395e4a4eb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_474.txt
@@ -0,0 +1,12 @@
+<Audio Recording, connectedTo, Webinar Hosting>
+<Branding, writes, Drafting Content>
+<Content Localization, connectedTo, Photography>
+<Content Localization, distributes, Fact_Checking>
+<Copywriting, animates, Performance Tracking>
+<Drafting Content, connectedTo, Keyword Research>
+<Editing and Proofreading, connectedTo, Copywriting>
+<Fact_Checking, audios, Ideation and Brainstorming>
+<Ideation and Brainstorming, designs, Audio Recording>
+<Keyword Research, interviews, Editing and Proofreading>
+<Performance Tracking, connectedTo, Photography>
+<Photography, connectedTo, Content Localization>
diff --git a/train/diagrams/easy/diagrams_480.dot b/train/diagrams/easy/diagrams_480.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8053dda292f94c527a4a0c1d17b3f99db8a24432
--- /dev/null
+++ b/train/diagrams/easy/diagrams_480.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="E_book Writing" color="#FFC2C2" fillcolor="#FFEBEB" shape=preparation style=filled]
+	N1 [label="Performance Tracking" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	N2 [label="Newsletter Creation" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N3 [label="Interactive Content Development" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N4 [label="Content Management System Operation" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N5 [label="Voice Acting or Narration" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N6 [label="Keyword Research" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N7 [label="Transcribing Audio or Video" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N8 [label="Content Strategy Development" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N9 [label="Social Media Post Creation" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N10 [label="Influencer Collaboration" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N11 [label="Audio Recording" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFE69C" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="photographs" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed label="narrates" dir=forward]
+	N7 -> N8 [color="#FFE69C" penwidth=1.5 style=dashed label="interviews" dir=forward]
+	N8 -> N9 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid label="measures" dir=forward]
+	N3 -> N2 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_480.txt b/train/diagrams/easy/diagrams_480.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4827ff03c93f33938c3416dda6e47b0c468724e7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_480.txt
@@ -0,0 +1,12 @@
+<Content Management System Operation, researches, Voice Acting or Narration>
+<Content Strategy Development, connectedTo, Social Media Post Creation>
+<E_book Writing, connectedTo, Performance Tracking>
+<Influencer Collaboration, measures, Audio Recording>
+<Interactive Content Development, connectedTo, Newsletter Creation>
+<Interactive Content Development, designs, Content Management System Operation>
+<Keyword Research, narrates, Transcribing Audio or Video>
+<Newsletter Creation, connectedTo, Interactive Content Development>
+<Performance Tracking, connectedTo, Newsletter Creation>
+<Social Media Post Creation, connectedTo, Influencer Collaboration>
+<Transcribing Audio or Video, interviews, Content Strategy Development>
+<Voice Acting or Narration, photographs, Keyword Research>
diff --git a/train/diagrams/easy/diagrams_483.dot b/train/diagrams/easy/diagrams_483.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4bc9b0785ff0132dd40551e1aa2bc4ba3ee13453
--- /dev/null
+++ b/train/diagrams/easy/diagrams_483.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Data Security Best Practices" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Data Collection" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N2 [label="Healthcare Data Analysis" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N3 [label="Predictive Analytics" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N4 [label="Statistical Modeling" color="#03A9F4" fillcolor="#B3E5FC" shape=database style=filled]
+	N5 [label="Customer Analytics" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N6 [label="Time Series Forecasting" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N7 [label="A or B Testing Analysis" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N8 [label="ETL Process Management" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N0 -> N1 [color="#03A9F4" penwidth=1.5 style=solid label="interprets" dir=forward]
+	N1 -> N2 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="architects" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="educates" dir=forward]
+	N3 -> N7 [color="#4DB6AC" penwidth=1.5 style=dashed label="predicts" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_483.txt b/train/diagrams/easy/diagrams_483.txt
new file mode 100644
index 0000000000000000000000000000000000000000..03c7ae0fef50528ae1a7873282375186c9649293
--- /dev/null
+++ b/train/diagrams/easy/diagrams_483.txt
@@ -0,0 +1,9 @@
+<A or B Testing Analysis, educates, ETL Process Management>
+<Customer Analytics, integrates, Time Series Forecasting>
+<Data Collection, connectedTo, Healthcare Data Analysis>
+<Data Security Best Practices, interprets, Data Collection>
+<Healthcare Data Analysis, connectedTo, Predictive Analytics>
+<Predictive Analytics, connectedTo, Statistical Modeling>
+<Predictive Analytics, predicts, A or B Testing Analysis>
+<Statistical Modeling, connectedTo, Customer Analytics>
+<Time Series Forecasting, architects, A or B Testing Analysis>
diff --git a/train/diagrams/easy/diagrams_487.dot b/train/diagrams/easy/diagrams_487.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8141b895a8aab7d274255d98e872446d9491482d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_487.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Exploratory Data Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N1 [label="HR Data Analytics" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N2 [label="Data Governance" color="#BDBDBD" fillcolor="#F5F5F5" shape=inputoutput style=filled]
+	N3 [label="Healthcare Data Analysis" color="#7E57C2" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N4 [label="Customer Analytics" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N5 [label="Supply Chain Analytics" color="#BDBDBD" fillcolor="#F5F5F5" shape=rect style=filled]
+	N6 [label="Text Analytics" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N7 [label="Data Collection" color="#BDBDBD" fillcolor="#F5F5F5" shape=inputoutput style=filled]
+	N8 [label="Business User Training on Analytics" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N9 [label="A or B Testing Analysis" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N10 [label="Cloud_based Data Platforms" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N1 -> N2 [color="#BDBDBD" penwidth=1.5 style=dashed label="segments" dir=forward]
+	N2 -> N3 [color="#BDBDBD" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N4 -> N5 [color="#3F51B5" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=dashed label="governs" dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=dashed label="interprets" dir=forward]
+	N7 -> N8 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N10 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_490.dot b/train/diagrams/easy/diagrams_490.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5f5819b3b38233f5f2781e34a565ecfa92f262a8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_490.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Performance Monitoring" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="Data Mart Design" color="#F7BEE0" fillcolor="#FAEBF3" shape=predefinedprocess style=filled]
+	N2 [label="Data Warehousing" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+	N3 [label="OLAP Cube Creation" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N4 [label="Data Governance Policies" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+	N5 [label="Competitive Analysis" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N6 [label="Budget Performance Analysis" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+	N7 [label="Data Security in BI" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N8 [label="Real_time BI Dashboards" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	N9 [label="Actionable Insights Generation" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#F7BEE0" penwidth=1.5 style=solid label="plans" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=solid label="benchmarks" dir=forward]
+	N4 -> N5 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=solid label="presents" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N3 [color="#000000" penwidth=1.5 style=dashed label="recommends" dir=forward]
+	N3 -> N7 [color="#FFEB3B" penwidth=1.5 style=dashed label="models" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_491.txt b/train/diagrams/easy/diagrams_491.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0dd690e337ca3f7f2d10d74013447cdfcc0b366e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_491.txt
@@ -0,0 +1,10 @@
+<Business Process Improvement, connectedTo, Master Data Management>
+<Cloud BI Solutions, connectedTo, Data Lineage Tracking>
+<Data Lineage Tracking, benchmarks, Business Process Improvement>
+<Data Modeling, connectedTo, Customer Behavior Insights>
+<Data Quality Management, audits, Executive Summary Reporting>
+<Executive Summary Reporting, processes, Customer Behavior Insights>
+<Executive Summary Reporting, visualizes, Data Modeling>
+<Master Data Management, insights, Data Quality Management>
+<OLAP Cube Creation, connectedTo, Cloud BI Solutions>
+<OLAP Cube Creation, connectedTo, Customer Behavior Insights>
diff --git a/train/diagrams/easy/diagrams_493.txt b/train/diagrams/easy/diagrams_493.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2b06e0d7e5d294b55f096ef812ccf49bda7bde08
--- /dev/null
+++ b/train/diagrams/easy/diagrams_493.txt
@@ -0,0 +1,8 @@
+<Actionable Insights Generation, connectedTo, Real_time BI Dashboards>
+<Budget Performance Analysis, models, Data Quality Management>
+<Data Lineage Tracking, connectedTo, Budget Performance Analysis>
+<Data Lineage Tracking, evaluates, Self_Service BI Tools>
+<Data Quality Management, monitors, User Training and Support>
+<Real_time BI Dashboards, connectedTo, Data Lineage Tracking>
+<Self_Service BI Tools, communicates, Mobile BI Development>
+<User Training and Support, dashboards, Actionable Insights Generation>
diff --git a/train/diagrams/easy/diagrams_494.dot b/train/diagrams/easy/diagrams_494.dot
new file mode 100644
index 0000000000000000000000000000000000000000..96598d96572218a45f81609a9b53742f245ac0fc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_494.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cloud BI Solutions" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N1 [label="Embedded Analytics" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N2 [label="Financial Performance Reporting" color="#FFEB3B" fillcolor="#FFF9C4" shape=document style=filled]
+	N3 [label="Performance Monitoring" color="#FFEB3B" fillcolor="#FFF9C4" shape=diamond style=filled]
+	N4 [label="Dashboard Design" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N5 [label="Mobile BI Development" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N6 [label="Data Lineage Tracking" color="#FFEB3B" fillcolor="#FFF9C4" shape=action style=filled]
+	N7 [label="Data Mart Design" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="trains" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=solid label="OLAPs" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N6 -> N7 [color="#B8C0F5" penwidth=1.5 style=solid label="loads" dir=forward]
+	N0 -> N7 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_497.txt b/train/diagrams/easy/diagrams_497.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6bc4b488165b9b893bec6c55065a2cd51111b27f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_497.txt
@@ -0,0 +1,11 @@
+<A or B Testing for Marketing, analyzes data, Loyalty Programs>
+<Distribution Channel Management, connectedTo, Lead Generation>
+<Lead Generation, launches campaigns, Marketing Budget Allocation>
+<Loyalty Programs, automates tasks, Search Engine Marketing>
+<Marketing Analytics, converts customers, Remarketing Campaigns>
+<Marketing Budget Allocation, optimizes SEO, A or B Testing for Marketing>
+<Marketing Budget Allocation, tele_sells, Remarketing Campaigns>
+<Partnership Marketing, guerilla marketing, Product Launch Strategy>
+<Product Launch Strategy, connectedTo, Marketing Analytics>
+<Remarketing Campaigns, connectedTo, Partnership Marketing>
+<Remarketing Campaigns, researches, Distribution Channel Management>
diff --git a/train/diagrams/easy/diagrams_499.txt b/train/diagrams/easy/diagrams_499.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8046ce1035c47340f790da0579af5c85a108030b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_499.txt
@@ -0,0 +1,10 @@
+<Campaign Performance Tracking, A or B tests, Marketing Budget Allocation>
+<Campaign Performance Tracking, connectedTo, Influencer Marketing>
+<Content Marketing, connectedTo, Customer Journey Mapping>
+<Conversion Rate Optimization, generates leads, Social Media Marketing>
+<Customer Journey Mapping, retargets ads, Marketing Budget Allocation>
+<Influencer Marketing, guerilla marketing, Content Marketing>
+<Loyalty Programs, connectedTo, Customer Segmentation>
+<Marketing Analytics, optimizes SEO, Loyalty Programs>
+<Marketing Budget Allocation, connectedTo, Marketing Analytics>
+<Social Media Marketing, connectedTo, Campaign Performance Tracking>
diff --git a/train/diagrams/easy/diagrams_50.txt b/train/diagrams/easy/diagrams_50.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bb01c09c431a65352781d04e02b929ad6a8106bc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_50.txt
@@ -0,0 +1,8 @@
+<Carbon Capture, connectedTo, Generator Check>
+<Energy Efficiency Audit, connectedTo, Generator Check>
+<Energy Efficiency Audit, innovates, Nuclear Reactor Control>
+<Generator Check, alerts, Load Shedding>
+<Load Shedding, optimizes, Energy Infrastructure Planning>
+<Nuclear Reactor Control, complies, Carbon Capture>
+<Outage Detection, detects, Regulatory Compliance>
+<Regulatory Compliance, connectedTo, Energy Efficiency Audit>
diff --git a/train/diagrams/easy/diagrams_501.dot b/train/diagrams/easy/diagrams_501.dot
new file mode 100644
index 0000000000000000000000000000000000000000..525a72297e6f2613200dd2ba57c1b5fd0bad7bea
--- /dev/null
+++ b/train/diagrams/easy/diagrams_501.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Competitive Analysis" color="#A188DB" fillcolor="#DED7F0" shape=vnode_shape style=filled]
+	N1 [label="Distribution Channel Management" color="#A188DB" fillcolor="#DED7F0" shape=vnode_shape style=filled]
+	N2 [label="Personalization Strategies" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N3 [label="Conversion Rate Optimization" color="#DCE775" fillcolor="#F9FBE7" shape=document style=filled]
+	N4 [label="Pricing Strategy" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N5 [label="A or B Testing for Marketing" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N6 [label="Event Marketing" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N7 [label="Customer Segmentation" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N8 [label="Website Design and Optimization" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+	N9 [label="Podcast Marketing" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+	N10 [label="Brand Strategy Development" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N11 [label="Content Marketing" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=dashed label="manages budgets" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="automates tasks" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid label="tele_sells" dir=forward]
+	N4 -> N5 [color="#A188DB" penwidth=1.5 style=dashed label="creates content" dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid label="personalizes content" dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=dashed label="organizes events" dir=forward]
+	N8 -> N9 [color="#A188DB" penwidth=1.5 style=solid label="converts customers" dir=forward]
+	N9 -> N10 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N1 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_501.txt b/train/diagrams/easy/diagrams_501.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fcc7f5f9ec22b53bc5a4e68b93cd84dc15934498
--- /dev/null
+++ b/train/diagrams/easy/diagrams_501.txt
@@ -0,0 +1,12 @@
+<A or B Testing for Marketing, connectedTo, Event Marketing>
+<Brand Strategy Development, connectedTo, Content Marketing>
+<Competitive Analysis, manages budgets, Distribution Channel Management>
+<Content Marketing, connectedTo, Distribution Channel Management>
+<Conversion Rate Optimization, tele_sells, Pricing Strategy>
+<Customer Segmentation, organizes events, Website Design and Optimization>
+<Distribution Channel Management, automates tasks, Personalization Strategies>
+<Event Marketing, personalizes content, Customer Segmentation>
+<Personalization Strategies, connectedTo, Conversion Rate Optimization>
+<Podcast Marketing, connectedTo, Brand Strategy Development>
+<Pricing Strategy, creates content, A or B Testing for Marketing>
+<Website Design and Optimization, converts customers, Podcast Marketing>
diff --git a/train/diagrams/easy/diagrams_503.dot b/train/diagrams/easy/diagrams_503.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c3bd05c79606d3a56946609e267924a7a76ed2af
--- /dev/null
+++ b/train/diagrams/easy/diagrams_503.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Email Marketing" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N1 [label="Guerilla Marketing" color="#C2B2F0" fillcolor="#EFE6FF" shape=database style=filled]
+	N2 [label="Distribution Channel Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N3 [label="Event Marketing" color="#42A5F5" fillcolor="#F1F8FF" shape=rect style=filled]
+	N4 [label="Customer Segmentation" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N5 [label="Target Audience Identification" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N6 [label="Marketing Budget Allocation" color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N7 [label="Conversion Rate Optimization" color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N8 [label="Public Relations" color="#4FC3F7" fillcolor="#E1F5FE" shape=predefinedprocess style=filled]
+	N9 [label="Campaign Performance Tracking" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N0 -> N1 [color="#42A5F5" penwidth=1.5 style=dashed label="distributes products" dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=solid label="direct mail" dir=forward]
+	N2 -> N3 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=dashed label="launches campaigns" dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed label="manages affiliates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=dashed label="monitors competitors" dir=forward]
+	N7 -> N8 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N6 [color="#C2B2F0" penwidth=1.5 style=solid label="handles PR" dir=forward]
+	N5 -> N0 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_504.dot b/train/diagrams/easy/diagrams_504.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fceee208d56d4dc5bd6e4494d2bd986d6ae8633f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_504.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Partnership Marketing" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N1 [label="Affiliate Marketing" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N2 [label="Website Design and Optimization" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N3 [label="Market Research" color="#4285F4" fillcolor="#D0E0F8" shape=vnode_shape style=filled]
+	N4 [label="Video Marketing" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N5 [label="Product Launch Strategy" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N6 [label="Brand Strategy Development" color="#FF9800" fillcolor="#FFE0B2" shape=vnode_shape style=filled]
+	N7 [label="Mobile Marketing" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N8 [label="Public Relations" color="#4285F4" fillcolor="#D0E0F8" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FF9800" penwidth=1.5 style=solid label="distributes products" dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=solid label="tele_sells" dir=forward]
+	N4 -> N5 [color="#4285F4" penwidth=1.5 style=dashed label="podcast marketing" dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FF9800" penwidth=1.5 style=solid label="A or B tests" dir=forward]
+	N7 -> N8 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N8 [color="#FF9800" penwidth=1.5 style=solid label="manages reputation" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_508.dot b/train/diagrams/easy/diagrams_508.dot
new file mode 100644
index 0000000000000000000000000000000000000000..030307b9af15c599a6998edd4b091a2e330b7c5e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_508.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Television Advertising" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N1 [label="Psychographic Targeting" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N2 [label="Landing Page Optimization" color="#E91E63" fillcolor="#FCE4EC" shape=rect style=filled]
+	N3 [label="Retargeting Campaigns" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N4 [label="Customer Acquisition Cost Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N5 [label="Audience Targeting" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N6 [label="Visual Design for Ads" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N7 [label="Search Engine Ads" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N8 [label="A or B Testing for Ads" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N9 [label="Direct Response Campaigns" color="#3F51B5" fillcolor="#C5CAE9" shape=action style=filled]
+	N10 [label="Fraud Detection in Ads" color="#42A5F5" fillcolor="#F1F8FF" shape=rect style=filled]
+	N0 -> N1 [color="#42A5F5" penwidth=1.5 style=solid label="uses geo_targeting" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="targets psychographics" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=dashed label="optimizes campaigns" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid label="selects platforms" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="generates responses" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=solid label="search ads" dir=forward]
+	N9 -> N10 [color="#3F51B5" penwidth=1.5 style=dashed label="plans campaigns" dir=forward]
+	N10 -> N0 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_508.txt b/train/diagrams/easy/diagrams_508.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9785d765d4ed71d09bcac7d1baf0d085b780b4e7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_508.txt
@@ -0,0 +1,11 @@
+<A or B Testing for Ads, search ads, Direct Response Campaigns>
+<Audience Targeting, selects platforms, Visual Design for Ads>
+<Customer Acquisition Cost Analysis, connectedTo, Audience Targeting>
+<Direct Response Campaigns, plans campaigns, Fraud Detection in Ads>
+<Fraud Detection in Ads, connectedTo, Television Advertising>
+<Landing Page Optimization, optimizes campaigns, Retargeting Campaigns>
+<Psychographic Targeting, targets psychographics, Landing Page Optimization>
+<Retargeting Campaigns, connectedTo, Customer Acquisition Cost Analysis>
+<Search Engine Ads, ensures compliance, A or B Testing for Ads>
+<Television Advertising, uses geo_targeting, Psychographic Targeting>
+<Visual Design for Ads, generates responses, Search Engine Ads>
diff --git a/train/diagrams/easy/diagrams_509.dot b/train/diagrams/easy/diagrams_509.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7e73c147b216016323bfe3969defceff67926f93
--- /dev/null
+++ b/train/diagrams/easy/diagrams_509.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Landing Page Optimization" color="#FFF9AE" fillcolor="#FFFCE6" shape=action style=filled]
+	N1 [label="Direct Response Campaigns" color="#4285F4" fillcolor="#D0E0F8" shape=document style=filled]
+	N2 [label="Return on Ad Spend Calculation" color="#4285F4" fillcolor="#D0E0F8" shape=document style=filled]
+	N3 [label="Psychographic Targeting" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N4 [label="Programmatic Advertising" color="#BCB88A" fillcolor="#F5F5DC" shape=multipledocuments style=filled]
+	N5 [label="Conversion Tracking" color="#BCB88A" fillcolor="#F5F5DC" shape=multipledocuments style=filled]
+	N6 [label="Campaign Planning" color="#BCB88A" fillcolor="#F5F5DC" shape=document style=filled]
+	N7 [label="Media Buying" color="#FFF9AE" fillcolor="#FFFCE6" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#BCB88A" penwidth=1.5 style=dashed label="monitors competitors" dir=forward]
+	N1 -> N2 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=solid label="tracks performance" dir=forward]
+	N4 -> N5 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=dashed label="manages budgets" dir=forward]
+	N4 -> N6 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N7 [color="#BCB88A" penwidth=1.5 style=solid label="builds awareness" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_51.txt b/train/diagrams/easy/diagrams_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8261ee7336dc0d152c1f0ce6e1f81790c7535928
--- /dev/null
+++ b/train/diagrams/easy/diagrams_51.txt
@@ -0,0 +1,9 @@
+<Consumption Logging, reads, Geothermal Power>
+<Cybersecurity for Grid, connectedTo, Solar Panel Installation>
+<Generator Check, conserves, Energy Storage>
+<Geothermal Power, forecasts, Cybersecurity for Grid>
+<Geothermal Power, logs, Solar Panel Installation>
+<Hydropower Generation, connectedTo, Transformer Station>
+<Regulatory Compliance, connectedTo, Generator Check>
+<Solar Panel Installation, connectedTo, Hydropower Generation>
+<Transformer Station, models, Regulatory Compliance>
diff --git a/train/diagrams/easy/diagrams_510.txt b/train/diagrams/easy/diagrams_510.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e437d292772ae8094a7ae6ce5d3cf86ced9cdf8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_510.txt
@@ -0,0 +1,9 @@
+<Brand Awareness Campaigns, connectedTo, Television Advertising>
+<Campaign Planning, ensures compliance, Customer Acquisition Cost Analysis>
+<Customer Acquisition Cost Analysis, connectedTo, Visual Design for Ads>
+<Demographic Targeting, connectedTo, Brand Awareness Campaigns>
+<Native Advertising, digital advertising, Demographic Targeting>
+<Television Advertising, connectedTo, Return on Ad Spend Calculation>
+<Television Advertising, targets psychographics, Brand Awareness Campaigns>
+<Visual Design for Ads, builds awareness, Native Advertising>
+<Visual Design for Ads, television ads, Customer Acquisition Cost Analysis>
diff --git a/train/diagrams/easy/diagrams_512.dot b/train/diagrams/easy/diagrams_512.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7b02ff9f0aca44de2e4f640acfdc277de90c4651
--- /dev/null
+++ b/train/diagrams/easy/diagrams_512.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Geo_Targeting" color="#FFF176" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N1 [label="Retargeting Campaigns" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N2 [label="Ad Analytics Reporting" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N3 [label="Native Advertising" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N4 [label="Psychographic Targeting" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N5 [label="Return on Ad Spend Calculation" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N6 [label="Conversion Tracking" color="#FFF176" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N7 [label="Demographic Targeting" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N8 [label="Ad Placement Optimization" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N9 [label="Direct Response Campaigns" color="#FFF176" fillcolor="#FFFDE7" shape=database style=filled]
+	N10 [label="Visual Design for Ads" color="#90A4AE" fillcolor="#ECEFF1" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=dashed label="builds awareness" dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=dashed label="creates ads" dir=forward]
+	N2 -> N3 [color="#FFC2C2" penwidth=1.5 style=solid label="uses geo_targeting" dir=forward]
+	N3 -> N4 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="implements retargeting" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="designs interactive ads" dir=forward]
+	N6 -> N7 [color="#FFF176" penwidth=1.5 style=dashed label="targets audiences" dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=solid label="A or B tests creatives" dir=forward]
+	N5 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed label="interprets analytics" dir=forward]
+	N1 -> N6 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_513.dot b/train/diagrams/easy/diagrams_513.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fe76513cb4036d16273fd9858f85e4972d751403
--- /dev/null
+++ b/train/diagrams/easy/diagrams_513.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Consensus Mechanism Development" color="#61CAC3" fillcolor="#C2E8E6" shape=action style=filled]
+	N1 [label="Digital Identity Management" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N2 [label="Sharding Implementation" color="#00BCD4" fillcolor="#B2EBF2" shape=preparation style=filled]
+	N3 [label="Gaming on Blockchain" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	N4 [label="Decentralized Network Design" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N5 [label="Intellectual Property Management" color="#61CAC3" fillcolor="#C2E8E6" shape=preparation style=filled]
+	N6 [label="Mining Operations" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	N7 [label="Non_Fungible Token Creation" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+	N8 [label="Security Token Offerings" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N9 [label="Decentralized Applications Development" color="#00BCD4" fillcolor="#B2EBF2" shape=preparation style=filled]
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="develops layer_2s" dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid label="creates bridges" dir=forward]
+	N3 -> N4 [color="#BCB88A" penwidth=1.5 style=dashed label="uses ZKPs" dir=forward]
+	N4 -> N5 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#61CAC3" penwidth=1.5 style=solid label="processes payments" dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=solid label="enables voting" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N9 -> N7 [color="#00BCD4" penwidth=1.5 style=dashed label="manages real estate" dir=forward]
+	N9 -> N8 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_514.txt b/train/diagrams/easy/diagrams_514.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa31b7d05858485d49f54844751e0ab3326685f2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_514.txt
@@ -0,0 +1,9 @@
+<Cryptographic Hashing, secures health data, Supply Chain Traceability>
+<Decentralized Network Design, connectedTo, Healthcare Data Management>
+<Distributed Ledger Technology, connectedTo, Financial Asset Tokenization>
+<Financial Asset Tokenization, tokenizes assets, Enterprise Blockchain Solutions>
+<Healthcare Data Management, governs DAOs, Security Token Offerings>
+<Private Blockchain Implementation, connectedTo, Cryptographic Hashing>
+<Private Blockchain Implementation, performs KYCs, Security Token Offerings>
+<Security Token Offerings, integrates systems, Distributed Ledger Technology>
+<Supply Chain Traceability, connectedTo, Decentralized Network Design>
diff --git a/train/diagrams/easy/diagrams_516.txt b/train/diagrams/easy/diagrams_516.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2bffafd13270a0c09e3a479cce2822b254ea0abc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_516.txt
@@ -0,0 +1,8 @@
+<Consortium Blockchain Setup, connectedTo, Cryptographic Hashing>
+<Cross_Chain Bridges, connectedTo, Consortium Blockchain Setup>
+<Cryptographic Hashing, verifies transactions, Security Auditing for Blockchains>
+<Decentralized Applications Development, enables voting, Cross_Chain Bridges>
+<Enterprise Blockchain Solutions, connectedTo, Consortium Blockchain Setup>
+<Security Auditing for Blockchains, connectedTo, Sharding Implementation>
+<Sharding Implementation, connectedTo, Sidechains and Layer 2 Solutions>
+<Sidechains and Layer 2 Solutions, educates users, Decentralized Applications Development>
diff --git a/train/diagrams/easy/diagrams_518.dot b/train/diagrams/easy/diagrams_518.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ef49912fa831c9c0e398d1c244cd4c7530e37690
--- /dev/null
+++ b/train/diagrams/easy/diagrams_518.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Real Estate Tokenization" color="#A1887F" fillcolor="#EFEBE9" shape=preparation style=filled]
+	N1 [label="Cross_Chain Bridges" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N2 [label="Identity Verification on Blockchain" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	N3 [label="Gaming on Blockchain" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N4 [label="Private Blockchain Implementation" color="#CFCFCF" fillcolor="#F6F6F6" shape=rect style=filled]
+	N5 [label="Consensus Mechanism Development" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N6 [label="Regulatory Compliance for Blockchain" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N7 [label="Sharding Implementation" color="#A1887F" fillcolor="#EFEBE9" shape=diamond style=filled]
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=solid label="develops layer_2s" dir=forward]
+	N1 -> N2 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="optimizes energy" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="develops DApps" dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=dashed label="builds enterprise solutions" dir=forward]
+	N6 -> N4 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_519.dot b/train/diagrams/easy/diagrams_519.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2199190847aad66cda892dbae80fc74a1b51dc76
--- /dev/null
+++ b/train/diagrams/easy/diagrams_519.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Intellectual Property Management" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N1 [label="Distributed Ledger Technology" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N2 [label="Regulatory Compliance for Blockchain" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N3 [label="Non_Fungible Token Creation" color="#E91E63" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N4 [label="Energy Trading on Blockchain" color="#E91E63" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N5 [label="Private Blockchain Implementation" color="#E91E63" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N6 [label="Real Estate Tokenization" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N7 [label="Gaming on Blockchain" color="#E91E63" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=solid label="develops DApps" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=dashed label="implements sharding" dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=solid label="generates hashes" dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=dashed label="performs KYCs" dir=forward]
+	N0 -> N2 [color="#E91E63" penwidth=1.5 style=solid label="launches STOs" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_52.dot b/train/diagrams/easy/diagrams_52.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6e1680a171284352c1bdd370b881081fea0dd0f3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_52.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Circuit Breaker Operation" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N1 [label="Power Backup" color="#E91E63" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N2 [label="Outage Detection" color="#E91E63" fillcolor="#FCE4EC" shape=rect style=filled]
+	N3 [label="Energy Infrastructure Planning" color="#9C27B0" fillcolor="#E1BEE7" shape=predefinedprocess style=filled]
+	N4 [label="Load Distribution" color="#9C27B0" fillcolor="#E1BEE7" shape=rectangle style=filled]
+	N5 [label="Hydropower Generation" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N6 [label="Energy Market Analysis" color="#E91E63" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N7 [label="Generator Check" color="#E91E63" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N8 [label="Smart Metering" color="#E91E63" fillcolor="#FCE4EC" shape=rect style=filled]
+	N9 [label="Wind Turbine Monitoring" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N10 [label="Peak Shaving" color="#E91E63" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N11 [label="Fuel Delivery" color="#A188D0" fillcolor="#DACBE3" shape=hexagon style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#9C27B0" penwidth=1.5 style=solid label="transmits" dir=forward]
+	N3 -> N4 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#9C27B0" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="automates" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid label="researches" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="trades" dir=forward]
+	N3 -> N10 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_521.dot b/train/diagrams/easy/diagrams_521.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ff63d6822a6558366493c553a9dd64e166236aee
--- /dev/null
+++ b/train/diagrams/easy/diagrams_521.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Legal Advisory for Crypto" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N1 [label="GameFi Development" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+	N2 [label="Cryptocurrency Trading Bots" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N3 [label="Blockchain Explorers" color="#E91E63" fillcolor="#F8BBD0" shape=action style=filled]
+	N4 [label="Hot Wallet Security" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N5 [label="Airdrop Campaigns" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N6 [label="KYC or AML Procedures" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N7 [label="Interoperability Solutions" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N8 [label="Fiat On or Off Ramps" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N9 [label="Transaction Processing" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N10 [label="Community Building" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N11 [label="Exchange Listing" color="#FFE69C" fillcolor="#FFF9D4" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=dashed label="prevents fraud" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="creates NFTs" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=solid label="creates coins" dir=forward]
+	N3 -> N4 [color="#E91E63" penwidth=1.5 style=dashed label="conducts IEOs" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="manages portfolios" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="facilitates trades" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFE69C" penwidth=1.5 style=solid label="borrows capital" dir=forward]
+	N8 -> N9 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N6 [color="#3F51B5" penwidth=1.5 style=solid label="generates yield" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_523.dot b/train/diagrams/easy/diagrams_523.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c7b65af99746221cd2b3eba64fab89a647b6f9ae
--- /dev/null
+++ b/train/diagrams/easy/diagrams_523.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Initial Exchange Offering" color="#90A4AE" fillcolor="#ECEFF1" shape=predefinedprocess style=filled]
+	N1 [label="Interoperability Solutions" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N2 [label="Blockchain Explorers" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N3 [label="KYC or AML Procedures" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N4 [label="Mining Algorithm Design" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N5 [label="Cold Storage Solutions" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N6 [label="Cryptocurrency Education" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N7 [label="Decentralized Exchange Operation" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	N8 [label="Airdrop Campaigns" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N9 [label="Fiat On or Off Ramps" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N10 [label="Staking" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=dashed label="secures private keys" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="integrates fiat" dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=dashed label="designs tokenomics" dir=forward]
+	N5 -> N6 [color="#90A4AE" penwidth=1.5 style=solid label="conducts IEOs" dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=solid label="manages TGEs" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="facilitates trades" dir=forward]
+	N9 -> N10 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N9 [color="#FF9800" penwidth=1.5 style=solid label="provides liquidity" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_525.txt b/train/diagrams/easy/diagrams_525.txt
new file mode 100644
index 0000000000000000000000000000000000000000..816b17b924ca73e71ba340e67655e45daedd2c9e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_525.txt
@@ -0,0 +1,10 @@
+<Cold Storage Solutions, connectedTo, Exchange Listing>
+<Decentralized Autonomous Organizations, processes transactions, NFT Marketplace Development>
+<Exchange Listing, connectedTo, Smart Contract Auditing>
+<GameFi Development, creates coins, Transaction Processing>
+<Lending and Borrowing Protocols, operates protocols, Decentralized Autonomous Organizations>
+<Mining Algorithm Design, stakes assets, Liquidity Provision>
+<NFT Marketplace Development, connectedTo, GameFi Development>
+<Smart Contract Auditing, stores keys, Mining Algorithm Design>
+<Transaction Processing, connectedTo, Cold Storage Solutions>
+<Transaction Processing, educates users, Mining Algorithm Design>
diff --git a/train/diagrams/easy/diagrams_53.dot b/train/diagrams/easy/diagrams_53.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b408edfed300f80c9a3f2655480752c9fcbfeeb1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_53.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Power Backup" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+	N1 [label="Energy Market Analysis" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N2 [label="Battery Monitoring" color="#AED581" fillcolor="#F0F4C3" shape=database style=filled]
+	N3 [label="Energy Storage" color="#AED581" fillcolor="#F0F4C3" shape=multipledocuments style=filled]
+	N4 [label="Power Purchase" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N5 [label="Transformer Station" color="#00BCD4" fillcolor="#E0F7FA" shape=action style=filled]
+	N6 [label="Circuit Breaker Operation" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N7 [label="Load Distribution" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=solid label="complies" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="plans" dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#AED581" penwidth=1.5 style=solid label="audits" dir=forward]
+	N7 -> N2 [color="#AED581" penwidth=1.5 style=dashed label="upgrades" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_53.txt b/train/diagrams/easy/diagrams_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19a799ea0b49bb2235a76be78a7a96970a57c25b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_53.txt
@@ -0,0 +1,8 @@
+<Battery Monitoring, complies, Energy Storage>
+<Circuit Breaker Operation, audits, Load Distribution>
+<Energy Market Analysis, monitors, Battery Monitoring>
+<Energy Storage, plans, Power Purchase>
+<Load Distribution, upgrades, Battery Monitoring>
+<Power Backup, connectedTo, Energy Market Analysis>
+<Power Purchase, connectedTo, Transformer Station>
+<Transformer Station, connectedTo, Circuit Breaker Operation>
diff --git a/train/diagrams/easy/diagrams_530.dot b/train/diagrams/easy/diagrams_530.dot
new file mode 100644
index 0000000000000000000000000000000000000000..02e5a52722bb07b97c3d2605339681fb8209bb33
--- /dev/null
+++ b/train/diagrams/easy/diagrams_530.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Real Estate Crowdfunding" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N1 [label="Escrow Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+	N2 [label="Post_Campaign Reporting" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N3 [label="Press Outreach" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N4 [label="Campaign Creation" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N5 [label="Donation_Based Crowdfunding" color="#9575CD" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N6 [label="Fulfillment Planning" color="#9575CD" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N7 [label="Social Media Promotion" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="produces content" dir=forward]
+	N4 -> N5 [color="#FFF9AE" penwidth=1.5 style=solid label="facilitates equity" dir=forward]
+	N5 -> N6 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N2 -> N7 [color="#F44336" penwidth=1.5 style=dashed label="analyzes data" dir=forward]
+	N0 -> N3 [color="#F44336" penwidth=1.5 style=dashed label="facilitates international campaigns" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_531.dot b/train/diagrams/easy/diagrams_531.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3ea5dfcfb275144b3be39acce95d902b136074ec
--- /dev/null
+++ b/train/diagrams/easy/diagrams_531.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Real Estate Crowdfunding" color="#FFF8A6" fillcolor="#FFFDE0" shape=inputoutput style=filled]
+	N1 [label="Post_Campaign Reporting" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N2 [label="Pitch Deck Preparation" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N3 [label="Securities Regulations Adherence" color="#FFF8A6" fillcolor="#FFFDE0" shape=rectangle style=filled]
+	N4 [label="Legal Compliance" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N5 [label="Email List Building" color="#4FC3F7" fillcolor="#E1F5FE" shape=predefinedprocess style=filled]
+	N6 [label="Product Development Lifecycle" color="#4FC3F7" fillcolor="#E1F5FE" shape=action style=filled]
+	N7 [label="Tax Implications of Crowdfunding" color="#4FC3F7" fillcolor="#E1F5FE" shape=document style=filled]
+	N8 [label="Payment Processing" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N9 [label="Equity Crowdfunding" color="#4FC3F7" fillcolor="#E1F5FE" shape=action style=filled]
+	N10 [label="Reward_Based Crowdfunding" color="#FFF8A6" fillcolor="#FFFDE0" shape=multipledocuments style=filled]
+	N11 [label="Reward Tier Design" color="#FFF8A6" fillcolor="#FFFDE0" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=dashed label="provides support" dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=dashed label="funds real estate" dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid label="prepares pitches" dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="facilitates equity" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=dashed label="collects donations" dir=forward]
+	N7 -> N8 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="produces content" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="performs due diligence" dir=forward]
+	N10 -> N11 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N0 -> N7 [color="#FFF8A6" penwidth=1.5 style=solid label="manages backers" dir=forward]
+	N6 -> N0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_531.txt b/train/diagrams/easy/diagrams_531.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da5111ce0af828bbe3e40a0f440b762e89b71b8f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_531.txt
@@ -0,0 +1,13 @@
+<Email List Building, connectedTo, Product Development Lifecycle>
+<Equity Crowdfunding, performs due diligence, Reward_Based Crowdfunding>
+<Legal Compliance, facilitates equity, Email List Building>
+<Payment Processing, produces content, Equity Crowdfunding>
+<Pitch Deck Preparation, connectedTo, Securities Regulations Adherence>
+<Post_Campaign Reporting, funds real estate, Pitch Deck Preparation>
+<Product Development Lifecycle, collects donations, Tax Implications of Crowdfunding>
+<Product Development Lifecycle, connectedTo, Real Estate Crowdfunding>
+<Real Estate Crowdfunding, manages backers, Tax Implications of Crowdfunding>
+<Real Estate Crowdfunding, provides support, Post_Campaign Reporting>
+<Reward_Based Crowdfunding, connectedTo, Reward Tier Design>
+<Securities Regulations Adherence, prepares pitches, Legal Compliance>
+<Tax Implications of Crowdfunding, connectedTo, Payment Processing>
diff --git a/train/diagrams/easy/diagrams_534.txt b/train/diagrams/easy/diagrams_534.txt
new file mode 100644
index 0000000000000000000000000000000000000000..65dca4ccd884c5e9d9efadcf284495110cae95a3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_534.txt
@@ -0,0 +1,11 @@
+<Backer Communication, connectedTo, Video Production for Campaigns>
+<Backer Communication, protects IP, Platform Selection>
+<Campaign Creation, facilitates equity, Video Production for Campaigns>
+<Escrow Management, connectedTo, Legal Compliance>
+<Legal Compliance, measures success, Shareholder Management>
+<Platform Selection, connectedTo, Email List Building>
+<Project Vetting, analyzes data, Campaign Creation>
+<Reward Tier Design, prepares pitches, Backer Communication>
+<Shareholder Management, connectedTo, Project Vetting>
+<Shareholder Management, updates progress, Reward Tier Design>
+<Video Production for Campaigns, calculates taxes, Reward Tier Design>
diff --git a/train/diagrams/easy/diagrams_535.txt b/train/diagrams/easy/diagrams_535.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5530e56a6bf46ce1a3c4ce1624307c6dd1be2465
--- /dev/null
+++ b/train/diagrams/easy/diagrams_535.txt
@@ -0,0 +1,10 @@
+<Community Building, connectedTo, Pitch Deck Preparation>
+<Escrow Management, connectedTo, Community Building>
+<International Crowdfunding, calculates taxes, Investor Verification>
+<Manufacturing Planning, handles logistics, Real Estate Crowdfunding>
+<Pitch Deck Preparation, connectedTo, Post_Campaign Reporting>
+<Post_Campaign Reporting, manages shareholders, Post_Campaign Updates>
+<Post_Campaign Updates, connectedTo, Community Building>
+<Post_Campaign Updates, connectedTo, International Crowdfunding>
+<Project Vetting, attracts investors, Manufacturing Planning>
+<Real Estate Crowdfunding, measures success, Escrow Management>
diff --git a/train/diagrams/easy/diagrams_537.txt b/train/diagrams/easy/diagrams_537.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c49100d29a074f6b7ae501eaef28343d61dbc487
--- /dev/null
+++ b/train/diagrams/easy/diagrams_537.txt
@@ -0,0 +1,10 @@
+<AI at the Edge, connectedTo, Remote Monitoring and Control>
+<AI at the Edge, enhances agriculture, Over_the_Air Updates>
+<Compliance with IoT Regulations, connectedTo, Over_the_Air Updates>
+<Data Privacy in IoT, connectedTo, AI at the Edge>
+<Gateway Development, connectedTo, Data Privacy in IoT>
+<Interoperability Standards, processes streams, Smart Home Devices>
+<Over_the_Air Updates, ensures interoperability, Gateway Development>
+<Remote Monitoring and Control, implements edge computing, Interoperability Standards>
+<Security Implementation, collects data, Interoperability Standards>
+<Smart Home Devices, connectedTo, Security Implementation>
diff --git a/train/diagrams/easy/diagrams_538.dot b/train/diagrams/easy/diagrams_538.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f8bf743a12ce5e38efb6471fd74e2da475c25020
--- /dev/null
+++ b/train/diagrams/easy/diagrams_538.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Power Management for Devices" color="#7E57C2" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N1 [label="Healthcare IoT Devices" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N2 [label="Interoperability Standards" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N3 [label="Compliance with IoT Regulations" color="#7E57C2" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N4 [label="Firmware Updates" color="#F7BEE0" fillcolor="#FAEBF3" shape=rect style=filled]
+	N5 [label="Data Collection" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N6 [label="Agricultural IoT" color="#7E57C2" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N7 [label="Data Analysis in Cloud" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N8 [label="Data Privacy in IoT" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N9 [label="Device Prototyping" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N10 [label="Cloud Platform Integration" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N11 [label="Security Implementation" color="#FFD54F" fillcolor="#FFF8E1" shape=database style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=solid label="streams data" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="manufactures devices" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed label="prototypes devices" dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#7E57C2" penwidth=1.5 style=solid label="performs OTAs" dir=forward]
+	N9 -> N10 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N0 -> N2 [color="#7E57C2" penwidth=1.5 style=dashed label="analyzes insights" dir=forward]
+	N11 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed label="processes streams" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_540.txt b/train/diagrams/easy/diagrams_540.txt
new file mode 100644
index 0000000000000000000000000000000000000000..69ae7d0855b7236302ff24ccdd402e2548918860
--- /dev/null
+++ b/train/diagrams/easy/diagrams_540.txt
@@ -0,0 +1,10 @@
+<Cloud Platform Integration, manages power, Power Management for Devices>
+<Compliance with IoT Regulations, manufactures devices, Wearable Technology>
+<Connected Vehicles, integrates AI, Connectivity Management>
+<Connectivity Management, connectedTo, Real_time Data Streaming>
+<Data Processing at Edge, tracks assets, Edge Computing for IoT>
+<Edge Computing for IoT, connectedTo, Sensor Integration>
+<Power Management for Devices, connectedTo, Sensor Integration>
+<Power Management for Devices, integrates sensors, Connected Vehicles>
+<Real_time Data Streaming, connectedTo, Compliance with IoT Regulations>
+<Sensor Integration, optimizes operations, Cloud Platform Integration>
diff --git a/train/diagrams/easy/diagrams_542.dot b/train/diagrams/easy/diagrams_542.dot
new file mode 100644
index 0000000000000000000000000000000000000000..99d772a1401ddf6971b55ef6ad4daacb579ac137
--- /dev/null
+++ b/train/diagrams/easy/diagrams_542.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Industrial IoT" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N1 [label="Environmental Monitoring" color="#FF9800" fillcolor="#FFE0B2" shape=rectangle style=filled]
+	N2 [label="Edge Computing for IoT" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N3 [label="Gateway Development" color="#FF9800" fillcolor="#FFE0B2" shape=multipledocuments style=filled]
+	N4 [label="Smart City Sensors" color="#92C79A" fillcolor="#E8F0EA" shape=rectangle style=filled]
+	N5 [label="Smart Manufacturing" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N6 [label="Network Protocol Selection" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N7 [label="Connectivity Management" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N8 [label="Asset Tracking" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N9 [label="AI at the Edge" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=dashed label="improves retail" dir=forward]
+	N1 -> N2 [color="#92C79A" penwidth=1.5 style=dashed label="monitors environment" dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=solid label="updates firmware" dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#92C79A" penwidth=1.5 style=dashed label="collects data" dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="monitors healthcare" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N4 [color="#000000" penwidth=1.5 style=solid label="enhances agriculture" dir=forward]
+	N7 -> N9 [color="#000000" penwidth=1.5 style=dashed label="prototypes devices" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_542.txt b/train/diagrams/easy/diagrams_542.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3edeaf054649d5fca190e117e13667a53a6603f7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_542.txt
@@ -0,0 +1,11 @@
+<Asset Tracking, connectedTo, AI at the Edge>
+<Connectivity Management, monitors healthcare, Asset Tracking>
+<Connectivity Management, prototypes devices, AI at the Edge>
+<Edge Computing for IoT, connectedTo, Gateway Development>
+<Environmental Monitoring, monitors environment, Edge Computing for IoT>
+<Gateway Development, updates firmware, Smart City Sensors>
+<Industrial IoT, enhances agriculture, Smart City Sensors>
+<Industrial IoT, improves retail, Environmental Monitoring>
+<Network Protocol Selection, connectedTo, Connectivity Management>
+<Smart City Sensors, connectedTo, Smart Manufacturing>
+<Smart Manufacturing, collects data, Network Protocol Selection>
diff --git a/train/diagrams/easy/diagrams_547.dot b/train/diagrams/easy/diagrams_547.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c45d06ed377b4dcea40fd44ee6126e154295edfc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_547.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Resource Management at Edge" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	N1 [label="Security for Edge Devices" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N2 [label="Power Consumption Optimization" color="#CFCFCF" fillcolor="#F6F6F6" shape=vnode_shape style=filled]
+	N3 [label="Connectivity to Cloud" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N4 [label="Remote Device Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=vnode_shape style=filled]
+	N5 [label="Fleet Management for Edge Devices" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N6 [label="Edge Device Provisioning" color="#BDAFA8" fillcolor="#E4E0DF" shape=database style=filled]
+	N7 [label="Edge Application Development" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#BDAFA8" penwidth=1.5 style=dashed label="performs real_time analytics" dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#2196F3" penwidth=1.5 style=solid label="aggregates data" dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=solid label="connects endpoints" dir=forward]
+	N6 -> N7 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N2 [color="#CFCFCF" penwidth=1.5 style=solid label="ensures compliance" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_548.txt b/train/diagrams/easy/diagrams_548.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1132bda7f25978315df5a2d3f17eaa66821ea1d7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_548.txt
@@ -0,0 +1,10 @@
+<Distributed Data Storage, connectedTo, Microservices on Edge Devices>
+<Edge Device Analytics, connectedTo, Edge Gateway Management>
+<Edge Gateway Management, stores data temporarily, Power Consumption Optimization>
+<Edge Network Topology Design, aggregates data, Offline Functionality>
+<Edge Network Topology Design, connectedTo, Fault Tolerance at Edge>
+<Fault Tolerance at Edge, connectedTo, Offline Functionality>
+<Fault Tolerance at Edge, develops applications, Microservices on Edge Devices>
+<Microservices on Edge Devices, connectedTo, Remote Device Management>
+<Offline Functionality, processes data locally, Edge Device Analytics>
+<Power Consumption Optimization, deploys nodes, Distributed Data Storage>
diff --git a/train/diagrams/easy/diagrams_552.dot b/train/diagrams/easy/diagrams_552.dot
new file mode 100644
index 0000000000000000000000000000000000000000..11d4fffa145570ff43b60bbc98605b9ebbe6e071
--- /dev/null
+++ b/train/diagrams/easy/diagrams_552.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Edge Security Analytics" color="#6EB76D" fillcolor="#E9F7E8" shape=document style=filled]
+	N1 [label="Telecom Edge Computing" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N2 [label="Latency Reduction" color="#92C79A" fillcolor="#E8F0EA" shape=vnode_shape style=filled]
+	N3 [label="Real_time Analytics at Edge" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N4 [label="Edge Application Development" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N5 [label="Local AI or ML Inference" color="#6EB76D" fillcolor="#E9F7E8" shape=vnode_shape style=filled]
+	N6 [label="Edge API Management" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N7 [label="Event_Driven Architectures at Edge" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N8 [label="Retail Edge Computing" color="#FFB2A5" fillcolor="#FFDCD6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=dashed label="implements virtual machines" dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=dashed label="manages distributed systems" dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=solid label="manages devices" dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=dashed label="stores data temporarily" dir=forward]
+	N6 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFB2A5" penwidth=1.5 style=solid label="enables offline operations" dir=forward]
+	N2 -> N6 [color="#92C79A" penwidth=1.5 style=solid label="provides low latency" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_554.dot b/train/diagrams/easy/diagrams_554.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9db936bb24db2401fa1e708caadb001cdc2c0e47
--- /dev/null
+++ b/train/diagrams/easy/diagrams_554.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Network Configuration in Cloud" color="#FFCC80" fillcolor="#FFF0CC" shape=vnode_shape style=filled]
+	N1 [label="Serverless Computing" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N2 [label="Hybrid Cloud Deployment" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N3 [label="Cloud Governance" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N4 [label="Identity and Access Management" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N5 [label="Data Storage in Cloud" color="#FFE69C" fillcolor="#FFF9D4" shape=multipledocuments style=filled]
+	N6 [label="Cloud Native Application Development" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N7 [label="Cloud Marketplace Integration" color="#A1887F" fillcolor="#EFEBE9" shape=rect style=filled]
+	N8 [label="Auto_Scaling Configurations" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="develops cloud_native apps" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=dashed label="develops serverless apps" dir=forward]
+	N5 -> N6 [color="#FFE69C" penwidth=1.5 style=solid label="configures firewalls" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=solid label="tags resources" dir=forward]
+	N7 -> N8 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_557.txt b/train/diagrams/easy/diagrams_557.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a89ffdfd92e1b084cdfef328e7a0f2429847f99c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_557.txt
@@ -0,0 +1,12 @@
+<Cloud Governance, connectedTo, Database as a Service>
+<Cloud Governance, delivers SaaS, Virtual Machine Management>
+<Cloud Native Application Development, develops cloud_native apps, Cloud Security>
+<Cloud Security, connectedTo, Disaster Recovery in Cloud>
+<Compliance in Cloud, connectedTo, Cloud Backup Solutions>
+<Container Orchestration, connectedTo, Cloud Native Application Development>
+<Database as a Service, stores data, Compliance in Cloud>
+<Disaster Recovery in Cloud, architects solutions, Network Configuration in Cloud>
+<Identity and Access Management, performs backups, Container Orchestration>
+<Network Configuration in Cloud, connectedTo, Public Cloud Management>
+<Public Cloud Management, connectedTo, Cloud Governance>
+<Virtual Machine Management, connectedTo, Identity and Access Management>
diff --git a/train/diagrams/easy/diagrams_559.dot b/train/diagrams/easy/diagrams_559.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8c11dcf92c88d02cdcc78564cf942b22611ade1c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_559.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Machine Learning as a Service" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N1 [label="Cloud Marketplace Integration" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N2 [label="Cloud Native Application Development" color="#FFDA4E" fillcolor="#FFE88D" shape=rectangle style=filled]
+	N3 [label="Network Configuration in Cloud" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N4 [label="Virtual Machine Management" color="#00BCD4" fillcolor="#E0F7FA" shape=document style=filled]
+	N5 [label="Load Balancing in Cloud" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N6 [label="Auto_Scaling Configurations" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N7 [label="Cloud Architecture Design" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N8 [label="CI or CD Pipelines in Cloud" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N0 -> N1 [color="#9FA9E1" penwidth=1.5 style=solid label="enables autoscaling" dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid label="ensures governance" dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=solid label="develops cloud_native apps" dir=forward]
+	N5 -> N6 [color="#FFDA4E" penwidth=1.5 style=solid label="provides IaaS" dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid label="offers PaaS" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="automates tasks" dir=forward]
+	N8 -> N6 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N5 -> N8 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_560.dot b/train/diagrams/easy/diagrams_560.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c6b8437cbdeb11128e9383ab0539fd8a30028600
--- /dev/null
+++ b/train/diagrams/easy/diagrams_560.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Software as a Service" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N1 [label="Cloud Vendor Lock_in Mitigation" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+	N2 [label="Cloud Audit Trails" color="#7E57C2" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N3 [label="Virtual Machine Management" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	N4 [label="Cloud Marketplace Integration" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	N5 [label="Auto_Scaling Configurations" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N6 [label="Cloud Migration Strategy" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N7 [label="CI or CD Pipelines in Cloud" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="implements FinOps" dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="secures environments" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="integrates edge" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="optimizes costs" dir=forward]
+	N4 -> N2 [color="#000000" penwidth=1.5 style=solid label="audits usage" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_561.dot b/train/diagrams/easy/diagrams_561.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ccbc27def7ed1e9a77c79e5c10ac1d2638d801d8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_561.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Firewall Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N1 [label="Network Performance Tuning" color="#03A9F4" fillcolor="#B3E5FC" shape=rect style=filled]
+	N2 [label="Access Control Systems" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N3 [label="Mail Server Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N4 [label="DNS Management" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N5 [label="Network Security" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+	N6 [label="Database Administration" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N7 [label="Load Balancer Setup" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N8 [label="Proxy Server Configuration" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N9 [label="Virtual Desktop Infrastructure" color="#D3EB9F" fillcolor="#F8FDD3" shape=inputoutput style=filled]
+	N10 [label="Power and Cooling Management" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#D3EB9F" penwidth=1.5 style=dashed label="plans capacity" dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#D3EB9F" penwidth=1.5 style=dashed label="deploys servers" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="lays cables" dir=forward]
+	N5 -> N9 [color="#03A9F4" penwidth=1.5 style=solid label="manages directories" dir=forward]
+	N4 -> N9 [color="#D3EB9F" penwidth=1.5 style=dashed label="plans capacity" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_563.dot b/train/diagrams/easy/diagrams_563.dot
new file mode 100644
index 0000000000000000000000000000000000000000..92ede655027928a55457a0898c67b56075321eea
--- /dev/null
+++ b/train/diagrams/easy/diagrams_563.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Firewall Management" color="#E91E63" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N1 [label="Group Policy Management" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N2 [label="Power and Cooling Management" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N3 [label="Access Control Systems" color="#E91E63" fillcolor="#FCE4EC" shape=database style=filled]
+	N4 [label="Environmental Monitoring" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N5 [label="Virtualization" color="#80DDEA" fillcolor="#D3F7F9" shape=vnode_shape style=filled]
+	N6 [label="Directory Services" color="#E91E63" fillcolor="#FCE4EC" shape=inputoutput style=filled]
+	N7 [label="Proxy Server Configuration" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N8 [label="Cloud Integration with On_premise" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N9 [label="Troubleshooting and Support" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N10 [label="Mail Server Management" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N0 -> N1 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed label="monitors performance" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=solid label="plans capacity" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="maintains hardware" dir=forward]
+	N7 -> N8 [color="#80DDEA" penwidth=1.5 style=dashed label="deploys servers" dir=forward]
+	N8 -> N9 [color="#FFB74D" penwidth=1.5 style=dashed label="sets up VPNs" dir=forward]
+	N9 -> N10 [color="#FFB74D" penwidth=1.5 style=solid label="manages storage" dir=forward]
+	N2 -> N8 [color="#000000" penwidth=1.5 style=solid label="automates tasks" dir=forward]
+	N0 -> N2 [color="#80DDEA" penwidth=1.5 style=dashed label="optimizes environments" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_565.dot b/train/diagrams/easy/diagrams_565.dot
new file mode 100644
index 0000000000000000000000000000000000000000..529695e2d84931150ebd5b6621812601834f3b5f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_565.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Network Design" color="#388E3C" fillcolor="#C8E6C9" shape=action style=filled]
+	N1 [label="Power and Cooling Management" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+	N2 [label="Capacity Planning" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N3 [label="Cabling and Wiring" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N4 [label="Patch Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=rect style=filled]
+	N5 [label="Directory Services" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N6 [label="Proxy Server Configuration" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N7 [label="DNS Management" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N8 [label="Storage Solutions" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=dashed label="manages users" dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed label="manages mail servers" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="troubleshoots issues" dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=dashed label="deploys servers" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N0 [color="#388E3C" penwidth=1.5 style=dashed label="installs racks" dir=forward]
+	N0 -> N5 [color="#A1D7CD" penwidth=1.5 style=solid label="manages storage" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_566.dot b/train/diagrams/easy/diagrams_566.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a32a49ec9c063e1e11c300bfece2994e96d4251c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_566.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Automation Scripting" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N1 [label="Directory Services" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N2 [label="User Account Management" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N3 [label="Remote Access Solutions" color="#B0C5CD" fillcolor="#DFE7EB" shape=document style=filled]
+	N4 [label="Load Balancer Setup" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N5 [label="Power and Cooling Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N6 [label="VPN Configuration" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N7 [label="Operating System Installation" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N8 [label="Database Administration" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N9 [label="Virtual Desktop Infrastructure" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N10 [label="Hardware Procurement" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N11 [label="Storage Solutions" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#AF56A6" penwidth=1.5 style=solid label="deploys antiviruses" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="sets up DNS" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=dashed label="designs networks" dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=dashed label="manages mail servers" dir=forward]
+	N7 -> N8 [color="#AF56A6" penwidth=1.5 style=solid label="configures load balancers" dir=forward]
+	N8 -> N9 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#7986CB" penwidth=1.5 style=dashed label="sets up VPNs" dir=forward]
+	N9 -> N4 [color="#000000" penwidth=1.5 style=solid label="deploys servers" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_567.dot b/train/diagrams/easy/diagrams_567.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f20be71c9c12655f6c09dd5e710978155299ad4b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_567.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Environmental Monitoring" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	N1 [label="Troubleshooting and Support" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N2 [label="Data Center Management" color="#BA68C8" fillcolor="#F3E5F5" shape=document style=filled]
+	N3 [label="Directory Services" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N4 [label="Patch Management" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N5 [label="Remote Access Solutions" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N6 [label="IT Asset Management" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N7 [label="Access Control Systems" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="tracks assets" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=dashed label="implements disaster recovery" dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=solid label="procures equipment" dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=solid label="manages mail servers" dir=forward]
+	N6 -> N7 [color="#FBC02D" penwidth=1.5 style=dashed label="manages licenses" dir=forward]
+	N3 -> N0 [color="#D2D2D2" penwidth=1.5 style=dashed label="troubleshoots issues" dir=forward]
+	N1 -> N6 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_569.dot b/train/diagrams/easy/diagrams_569.dot
new file mode 100644
index 0000000000000000000000000000000000000000..51bb9335f8cccfe452cb7c11d12b28f860f6c9cb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_569.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Automated Deployment" color="#B0C5CD" fillcolor="#DFE7EB" shape=preparation style=filled]
+	N1 [label="Containerization" color="#4DD0E1" fillcolor="#C9F0F0" shape=database style=filled]
+	N2 [label="Site Reliability Engineering Principles" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N3 [label="Rollback Strategies" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N4 [label="Automated Testing" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N5 [label="Infrastructure as Code" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N6 [label="Feedback Loops" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N7 [label="Post_Mortem Analysis" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N8 [label="Continuous Integration" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N9 [label="Collaboration Tools" color="#4DD0E1" fillcolor="#C9F0F0" shape=parallelogram style=filled]
+	N10 [label="Pipeline Automation" color="#B0C5CD" fillcolor="#DFE7EB" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid label="manages versions" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="implements CI" dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=dashed label="uses serverless" dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=dashed label="automates tests" dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=dashed label="fosters collaboration" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="builds cloud_native apps" dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#B0C5CD" penwidth=1.5 style=solid label="implements SRE" dir=forward]
+	N6 -> N4 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N3 [color="#B0C5CD" penwidth=1.5 style=solid label="enables ChatOps" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_57.dot b/train/diagrams/easy/diagrams_57.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5741fc3f9a02bfbf4e236b3383a836bf0557926a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_57.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Legal Consultation" color="#82DAFF" fillcolor="#C8EDFF" shape=rect style=filled]
+	N1 [label="Amicus Brief Submission" color="#82DAFF" fillcolor="#C8EDFF" shape=document style=filled]
+	N2 [label="Notarization" color="#66BB6A" fillcolor="#E8F5E9" shape=action style=filled]
+	N3 [label="Appeal Submission" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N4 [label="Verdict Announcement" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N5 [label="Intel Property Licensing" color="#B8C0F5" fillcolor="#ECF0FD" shape=multipledocuments style=filled]
+	N6 [label="Patent Application" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N7 [label="Judgment Writing" color="#82DAFF" fillcolor="#C8EDFF" shape=inputoutput style=filled]
+	N8 [label="Copyright Infringement" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N9 [label="Pro Bono Work" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N0 -> N1 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=dashed label="registers" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=dashed label="rules" dir=forward]
+	N4 -> N5 [color="#82DAFF" penwidth=1.5 style=solid label="settles" dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="testifies" dir=forward]
+	N7 -> N8 [color="#82DAFF" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N8 -> N9 [color="#82DAFF" penwidth=1.5 style=solid label="prosecutes" dir=forward]
+	N6 -> N8 [color="#66BB6A" penwidth=1.5 style=dashed label="collects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_57.txt b/train/diagrams/easy/diagrams_57.txt
new file mode 100644
index 0000000000000000000000000000000000000000..488e9e80d144901c1423ba7b3411644a1d4e7a5c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_57.txt
@@ -0,0 +1,10 @@
+<Amicus Brief Submission, registers, Notarization>
+<Appeal Submission, rules, Verdict Announcement>
+<Copyright Infringement, prosecutes, Pro Bono Work>
+<Intel Property Licensing, connectedTo, Patent Application>
+<Judgment Writing, advises, Copyright Infringement>
+<Legal Consultation, connectedTo, Amicus Brief Submission>
+<Notarization, connectedTo, Appeal Submission>
+<Patent Application, collects, Copyright Infringement>
+<Patent Application, testifies, Judgment Writing>
+<Verdict Announcement, settles, Intel Property Licensing>
diff --git a/train/diagrams/easy/diagrams_572.dot b/train/diagrams/easy/diagrams_572.dot
new file mode 100644
index 0000000000000000000000000000000000000000..222fde530591fbaba4ed8f262e7abe526726db74
--- /dev/null
+++ b/train/diagrams/easy/diagrams_572.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Code Quality Checks" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N1 [label="Feedback Loops" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N2 [label="Automated Testing" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+	N3 [label="Pipeline Automation" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N4 [label="Continuous Delivery" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N5 [label="Automated Rollbacks" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N6 [label="Static Code Analysis" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N7 [label="Rollback Strategies" color="#FFE470" fillcolor="#FFFAE0" shape=rectangle style=filled]
+	N8 [label="Cloud Native Development" color="#CFCFCF" fillcolor="#F6F6F6" shape=vnode_shape style=filled]
+	N9 [label="Infrastructure Provisioning" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+	N10 [label="Blue_Green Deployments" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N11 [label="Infrastructure as Code" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N0 -> N1 [color="#CFCFCF" penwidth=1.5 style=solid label="manages feature flags" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=dashed label="optimizes costs" dir=forward]
+	N3 -> N4 [color="#CFCFCF" penwidth=1.5 style=dashed label="automates pipelines" dir=forward]
+	N4 -> N5 [color="#CFCFCF" penwidth=1.5 style=dashed label="provisions infrastructure" dir=forward]
+	N5 -> N6 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#CFCFCF" penwidth=1.5 style=solid label="manages environments" dir=forward]
+	N7 -> N8 [color="#CFCFCF" penwidth=1.5 style=solid label="enables CD" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="builds cloud_native apps" dir=forward]
+	N10 -> N11 [color="#7986CB" penwidth=1.5 style=solid label="fosters cross_functional teams" dir=forward]
+	N0 -> N11 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_574.txt b/train/diagrams/easy/diagrams_574.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ca372bbc6916fcf4447bc074d8868d46ffcdb25
--- /dev/null
+++ b/train/diagrams/easy/diagrams_574.txt
@@ -0,0 +1,11 @@
+<Automated Rollbacks, implements blue_green, Collaboration Tools>
+<Canary Releases, connectedTo, Monitoring and Logging>
+<Collaboration Tools, practices chaos engineering, Microservices Architecture>
+<Container Orchestration, connectedTo, Infrastructure as Code>
+<Containerization, uses GitOps, Automated Rollbacks>
+<Continuous Integration, automates pipelines, Container Orchestration>
+<Infrastructure as Code, fosters collaboration, Container Orchestration>
+<Microservices Architecture, connectedTo, Canary Releases>
+<Microservices Architecture, manages microservices, Monitoring and Logging>
+<Monitoring and Logging, runs DAST, Continuous Integration>
+<Post_Mortem Analysis, connectedTo, Containerization>
diff --git a/train/diagrams/easy/diagrams_577.txt b/train/diagrams/easy/diagrams_577.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d94fa4ff2a6caade2021e7cd898e4572c7b3825
--- /dev/null
+++ b/train/diagrams/easy/diagrams_577.txt
@@ -0,0 +1,10 @@
+<API Development, manages databases, Game Development>
+<Game Development, connectedTo, Maintenance>
+<Game Development, connectedTo, Version Control>
+<Integration Testing, maintains code, Maintenance>
+<Maintenance, connectedTo, Unit Testing>
+<Operating System Development, connectedTo, API Development>
+<Security Hardening, connectedTo, Mobile Application Development>
+<System Design, writes documentation, Security Hardening>
+<Unit Testing, connectedTo, System Design>
+<Version Control, manages data structures, Integration Testing>
diff --git a/train/diagrams/easy/diagrams_578.dot b/train/diagrams/easy/diagrams_578.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eff84a67ae2e49d35aa7f7af8e5a4b1a145920e1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_578.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Microservices Architecture" color="#42A5F5" fillcolor="#F1F8FF" shape=action style=filled]
+	N1 [label="Deployment" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N2 [label="User Interface Design" color="#C2B2F0" fillcolor="#EFE6FF" shape=predefinedprocess style=filled]
+	N3 [label="Continuous Delivery" color="#C2B2F0" fillcolor="#EFE6FF" shape=inputoutput style=filled]
+	N4 [label="Maintenance" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N5 [label="Web Application Development" color="#C2B2F0" fillcolor="#EFE6FF" shape=inputoutput style=filled]
+	N6 [label="Mobile Application Development" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N7 [label="API Development" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=solid label="codes features" dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed label="designs algorithms" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N3 [color="#000000" penwidth=1.5 style=solid label="integrates modules" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_578.txt b/train/diagrams/easy/diagrams_578.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f2105fdc8752662bbae1b6d2a93bc2e2d936125a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_578.txt
@@ -0,0 +1,8 @@
+<Continuous Delivery, connectedTo, Maintenance>
+<Deployment, connectedTo, User Interface Design>
+<Maintenance, connectedTo, Web Application Development>
+<Microservices Architecture, codes features, Deployment>
+<Mobile Application Development, connectedTo, API Development>
+<User Interface Design, designs algorithms, Continuous Delivery>
+<Web Application Development, connectedTo, Mobile Application Development>
+<Web Application Development, integrates modules, Continuous Delivery>
diff --git a/train/diagrams/easy/diagrams_579.dot b/train/diagrams/easy/diagrams_579.dot
new file mode 100644
index 0000000000000000000000000000000000000000..08f28dcdaf60f83ba90c04e1fe6d9a7115ebac9d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_579.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Refactoring" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N1 [label="Testing Frameworks" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N2 [label="Continuous Integration" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N3 [label="Version Control" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N4 [label="Algorithm Design" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N5 [label="Continuous Delivery" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N6 [label="Maintenance" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N7 [label="Integration Testing" color="#FFDA4E" fillcolor="#FFE88D" shape=predefinedprocess style=filled]
+	N8 [label="User Experience Design" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N9 [label="Backend Development" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="writes documentation" dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A188D0" penwidth=1.5 style=solid label="creates UIs" dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=solid label="codes features" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFDA4E" penwidth=1.5 style=solid label="performs refactoring" dir=forward]
+	N0 -> N3 [color="#FFC2C2" penwidth=1.5 style=dashed label="develops embedded systems" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_58.txt b/train/diagrams/easy/diagrams_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..909c676abf6ce8e65ad9db884f1d8c40c29dd745
--- /dev/null
+++ b/train/diagrams/easy/diagrams_58.txt
@@ -0,0 +1,12 @@
+<Bankruptcy Filing, complies, Pro Bono Work>
+<Bankruptcy Filing, connectedTo, Due Diligence>
+<Copyright Infringement, connectedTo, Arbitration Session>
+<Due Diligence, represents, Notarization>
+<Intel Property Licensing, connectedTo, Plea Bargain>
+<Legal Research, connectedTo, Bankruptcy Filing>
+<Legal Research, submits, Pro Bono Work>
+<Notarization, connectedTo, Copyright Infringement>
+<Plea Bargain, notarizes, Pre_Trial Hearing>
+<Pre_Trial Hearing, connectedTo, Pro Bono Work>
+<Pro Bono Work, counsels, Legal Research>
+<Verdict Announcement, connectedTo, Intel Property Licensing>
diff --git a/train/diagrams/easy/diagrams_580.dot b/train/diagrams/easy/diagrams_580.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7eb54b75e4d761cf8ed4b52247118637bf285c53
--- /dev/null
+++ b/train/diagrams/easy/diagrams_580.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Documentation" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N1 [label="Backend Development" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N2 [label="Testing Frameworks" color="#66BB6A" fillcolor="#E8F5E9" shape=document style=filled]
+	N3 [label="System Design" color="#FFC107" fillcolor="#FFECB3" shape=document style=filled]
+	N4 [label="Bug Fixing" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N5 [label="Containerization" color="#FFC107" fillcolor="#FFECB3" shape=multipledocuments style=filled]
+	N6 [label="Continuous Integration" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	N7 [label="Agile Methodologies" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N8 [label="Deployment" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N0 -> N1 [color="#BA68C8" penwidth=1.5 style=dashed label="codes features" dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFC107" penwidth=1.5 style=dashed label="builds microservices" dir=forward]
+	N5 -> N6 [color="#FFC107" penwidth=1.5 style=solid label="deploys applications" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N8 [color="#BA68C8" penwidth=1.5 style=solid label="implements security" dir=forward]
+	N7 -> N2 [color="#000000" penwidth=1.5 style=solid label="conducts code reviews" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_580.txt b/train/diagrams/easy/diagrams_580.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55e8c8b7b81c73245851872600bf1ef7f4014b32
--- /dev/null
+++ b/train/diagrams/easy/diagrams_580.txt
@@ -0,0 +1,10 @@
+<Agile Methodologies, conducts code reviews, Testing Frameworks>
+<Agile Methodologies, connectedTo, Deployment>
+<Backend Development, connectedTo, Testing Frameworks>
+<Backend Development, implements security, Deployment>
+<Bug Fixing, builds microservices, Containerization>
+<Containerization, deploys applications, Continuous Integration>
+<Continuous Integration, connectedTo, Agile Methodologies>
+<Documentation, codes features, Backend Development>
+<System Design, connectedTo, Bug Fixing>
+<Testing Frameworks, connectedTo, System Design>
diff --git a/train/diagrams/easy/diagrams_583.dot b/train/diagrams/easy/diagrams_583.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4b091d4a11d44a22a99a7491a297cb453033a5c8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_583.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Backend Development" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N1 [label="Containerization" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N2 [label="Algorithm Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=inputoutput style=filled]
+	N3 [label="Mobile Application Development" color="#EAEFA5" fillcolor="#FDFCEB" shape=rectangle style=filled]
+	N4 [label="User Interface Design" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N5 [label="Continuous Delivery" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N6 [label="Deployment" color="#EAEFA5" fillcolor="#FDFCEB" shape=action style=filled]
+	N7 [label="Continuous Integration" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N8 [label="Database Design" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N9 [label="Refactoring" color="#EAEFA5" fillcolor="#FDFCEB" shape=rectangle style=filled]
+	N10 [label="Documentation" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N11 [label="User Experience Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=solid label="develops frontends" dir=forward]
+	N1 -> N2 [color="#EAEFA5" penwidth=1.5 style=dashed label="integrates modules" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="uses frameworks" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="designs games" dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed label="manages technical debt" dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFD54F" penwidth=1.5 style=solid label="writes documentation" dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=dashed label="writes unit tests" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N7 [color="#FFD54F" penwidth=1.5 style=dashed label="builds backends" dir=forward]
+	N7 -> N4 [color="#000000" penwidth=1.5 style=solid label="maintains code" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_586.txt b/train/diagrams/easy/diagrams_586.txt
new file mode 100644
index 0000000000000000000000000000000000000000..95438919b707b315e0503d2ad93d8096a0cd7611
--- /dev/null
+++ b/train/diagrams/easy/diagrams_586.txt
@@ -0,0 +1,12 @@
+<Documentation, optimizes power delivery, Troubleshooting and Debugging>
+<FPGA Design, connectedTo, Testing and Validation>
+<Firmware Development, programs microcontrollers, Assembly Line Optimization>
+<Mixed_Signal Design, connectedTo, Optical Module Design>
+<Optical Module Design, analyzes thermals, Firmware Development>
+<Power Integrity Analysis, connectedTo, Documentation>
+<Power Integrity Analysis, designs optical systems, Troubleshooting and Debugging>
+<Prototyping, designs circuits, Mixed_Signal Design>
+<RF Circuit Design, troubleshoots issues, FPGA Design>
+<Testing and Validation, controls actuators, Power Integrity Analysis>
+<Troubleshooting and Debugging, connectedTo, Prototyping>
+<Troubleshooting and Debugging, connectedTo, RF Circuit Design>
diff --git a/train/diagrams/easy/diagrams_589.dot b/train/diagrams/easy/diagrams_589.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7f88b7e5158e57937f5afe7cf9eb7b7a89412e8f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_589.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Optical Module Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N1 [label="Schematic Capture" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N2 [label="Signal Integrity Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N3 [label="Circuit Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=predefinedprocess style=filled]
+	N4 [label="Component Selection" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N5 [label="Actuator Control" color="#CFCFCF" fillcolor="#F6F6F6" shape=hexagon style=filled]
+	N6 [label="ASIC Design" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N7 [label="Power Integrity Analysis" color="#CFCFCF" fillcolor="#F6F6F6" shape=preparation style=filled]
+	N8 [label="Material Selection" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N9 [label="Electromagnetic Compatibility Testing" color="#CFCFCF" fillcolor="#F6F6F6" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="programs microcontrollers" dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=solid label="creates schematics" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="designs FPGAs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="designs for high speed" dir=forward]
+	N8 -> N9 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N4 [color="#CFCFCF" penwidth=1.5 style=solid label="performs reverse engineering" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_589.txt b/train/diagrams/easy/diagrams_589.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f0a365e47f0737714016cae46c67e43f85b37b1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_589.txt
@@ -0,0 +1,10 @@
+<ASIC Design, connectedTo, Power Integrity Analysis>
+<Actuator Control, connectedTo, ASIC Design>
+<Circuit Design, connectedTo, Component Selection>
+<Component Selection, designs FPGAs, Actuator Control>
+<Material Selection, connectedTo, Electromagnetic Compatibility Testing>
+<Optical Module Design, connectedTo, Schematic Capture>
+<Power Integrity Analysis, designs for high speed, Material Selection>
+<Power Integrity Analysis, performs reverse engineering, Component Selection>
+<Schematic Capture, programs microcontrollers, Signal Integrity Analysis>
+<Signal Integrity Analysis, creates schematics, Circuit Design>
diff --git a/train/diagrams/easy/diagrams_596.txt b/train/diagrams/easy/diagrams_596.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52ae1b3cc8ca394f1953c63a5162ab1239e09879
--- /dev/null
+++ b/train/diagrams/easy/diagrams_596.txt
@@ -0,0 +1,8 @@
+<API Development, integrates ads, Updates and Maintenance>
+<Accessibility Features, integrates chat, Native App Development>
+<Native App Development, manages permissions, Real_time Communication Features>
+<Prototyping, connectedTo, Performance Optimization>
+<Real_time Communication Features, enables real_time features, API Development>
+<Testing and Debugging, connectedTo, Prototyping>
+<Updates and Maintenance, connectedTo, Testing and Debugging>
+<Updates and Maintenance, manages subscriptions, Native App Development>
diff --git a/train/diagrams/easy/diagrams_597.txt b/train/diagrams/easy/diagrams_597.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bdfae66d7807c950c1f05591590743654afff849
--- /dev/null
+++ b/train/diagrams/easy/diagrams_597.txt
@@ -0,0 +1,10 @@
+<Ad Monetization, develops cross_platform apps, Chat Functionality>
+<App Store Optimization, integrates ads, Geolocation Services>
+<Chat Functionality, deploys to stores, Subscription Management>
+<Cross_Platform Development, optimizes ASO, App Store Optimization>
+<Geolocation Services, connectedTo, Payment Gateway Integration>
+<Geolocation Services, integrates in_app purchases, Chat Functionality>
+<Payment Gateway Integration, connectedTo, Chat Functionality>
+<Payment Gateway Integration, connectedTo, Security Implementation>
+<Security Implementation, develops native apps, Database Design for Mobile>
+<Subscription Management, connectedTo, Cross_Platform Development>
diff --git a/train/diagrams/easy/diagrams_598.txt b/train/diagrams/easy/diagrams_598.txt
new file mode 100644
index 0000000000000000000000000000000000000000..13501d963f56bdaf24f779db83942085287e2678
--- /dev/null
+++ b/train/diagrams/easy/diagrams_598.txt
@@ -0,0 +1,8 @@
+<AR or VR Features in Mobile, builds backends, Database Design for Mobile>
+<Cloud Backend for Mobile, connectedTo, AR or VR Features in Mobile>
+<Database Design for Mobile, manages updates, User Onboarding Flows>
+<Deep Linking, manages databases, Cloud Backend for Mobile>
+<User Onboarding Flows, concepts ideas, Wireframing>
+<Wearable Device Integration, connectedTo, Database Design for Mobile>
+<Wearable Device Integration, enables real_time features, Deep Linking>
+<Wireframing, connectedTo, Prototyping>
diff --git a/train/diagrams/easy/diagrams_600.dot b/train/diagrams/easy/diagrams_600.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6fc1cb5d05b7474f9ee87e1467f9f08663f0d843
--- /dev/null
+++ b/train/diagrams/easy/diagrams_600.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Geolocation Services" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N1 [label="Subscription Management" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N2 [label="Native App Development" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N3 [label="Push Notification Implementation" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N4 [label="Security Implementation" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	N5 [label="Concept Development" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N6 [label="API Development" color="#FFA726" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N7 [label="Analytics Tracking" color="#FFA726" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=solid label="integrates chat" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=solid label="uses geolocation" dir=forward]
+	N3 -> N4 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="develops native apps" dir=forward]
+	N5 -> N6 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=solid label="designs onboarding" dir=forward]
+	N6 -> N4 [color="#000000" penwidth=1.5 style=solid label="integrates wearables" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_602.dot b/train/diagrams/easy/diagrams_602.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ff1f68a043441281d6f4bcbd228972f173a89246
--- /dev/null
+++ b/train/diagrams/easy/diagrams_602.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Link_in_Bio Optimization" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N1 [label="Cross_Promotion" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N2 [label="Content Strategy" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N3 [label="Group Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N4 [label="Crisis Communication Plan" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N5 [label="Reach and Impressions Tracking" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N6 [label="Scheduling Posts" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N7 [label="Crisis Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+	N8 [label="Content Creation" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N9 [label="Community Management" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#64B5F6" penwidth=1.5 style=dashed label="builds reputation" dir=forward]
+	N2 -> N3 [color="#64B5F6" penwidth=1.5 style=dashed label="manages profiles" dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=solid label="cross_promotes content" dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#64B5F6" penwidth=1.5 style=dashed label="grows followers" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="schedules posts" dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N5 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_604.dot b/train/diagrams/easy/diagrams_604.dot
new file mode 100644
index 0000000000000000000000000000000000000000..abd5f8fef283ff01a0fd55d5338b846215295768
--- /dev/null
+++ b/train/diagrams/easy/diagrams_604.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Social Selling" color="#BDAFA8" fillcolor="#E4E0DF" shape=rectangle style=filled]
+	N1 [label="Platform Selection" color="#7E57C2" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N2 [label="Personal Branding on Social Media" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N3 [label="Crisis Communication Plan" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N4 [label="Reporting and Optimization" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N5 [label="Customer Service on Social Media" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N6 [label="Crisis Management" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	N7 [label="Follower Growth Monitoring" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N0 -> N1 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=solid label="creates content" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=solid label="schedules posts" dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="builds personal brands" dir=forward]
+	N7 -> N4 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_605.dot b/train/diagrams/easy/diagrams_605.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ed4fcea300d687a797da77d2053f731dcc432400
--- /dev/null
+++ b/train/diagrams/easy/diagrams_605.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Campaign Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N1 [label="Influencer Collaboration" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N2 [label="Crisis Communication Plan" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N3 [label="Cross_Promotion" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N4 [label="Direct Messaging Strategy" color="#FFB74D" fillcolor="#FFF3E0" shape=rect style=filled]
+	N5 [label="Content Strategy" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N6 [label="Customer Service on Social Media" color="#EAEFA5" fillcolor="#FDFCEB" shape=inputoutput style=filled]
+	N7 [label="Link_in_Bio Optimization" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N8 [label="Performance Analytics" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N9 [label="Polls and Quizzes Creation" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N10 [label="Follower Growth Monitoring" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N0 -> N1 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="cross_promotes content" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="schedules posts" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=solid label="analyzes engagement" dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid label="moderates comments" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=dashed label="develops strategies" dir=forward]
+	N8 -> N9 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFCC80" penwidth=1.5 style=solid label="runs ads" dir=forward]
+	N0 -> N9 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_608.dot b/train/diagrams/easy/diagrams_608.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fc8af060546191391ab91f7e36d1cf9de7be0f25
--- /dev/null
+++ b/train/diagrams/easy/diagrams_608.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Crisis Management" color="#CDDC39" fillcolor="#E6EE9C" shape=multipledocuments style=filled]
+	N1 [label="Personal Branding on Social Media" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N2 [label="Social Listening" color="#92C79A" fillcolor="#E8F0EA" shape=predefinedprocess style=filled]
+	N3 [label="Reels or Short Video Production" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+	N4 [label="Cross_Promotion" color="#CDDC39" fillcolor="#E6EE9C" shape=action style=filled]
+	N5 [label="Link_in_Bio Optimization" color="#CDDC39" fillcolor="#E6EE9C" shape=document style=filled]
+	N6 [label="Content Moderation" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N7 [label="Performance Analytics" color="#CDDC39" fillcolor="#E6EE9C" shape=rectangle style=filled]
+	N8 [label="Audience Engagement" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N9 [label="Polls and Quizzes Creation" color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+	N10 [label="Customer Service on Social Media" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=solid label="conducts social audits" dir=forward]
+	N3 -> N4 [color="#92C79A" penwidth=1.5 style=solid label="moderates comments" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=solid label="performs social listening" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="develops crisis plans" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="forms partnerships" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N7 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_612.txt b/train/diagrams/easy/diagrams_612.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c9da389119d5119c5981f6218c2ac26e4f85cea
--- /dev/null
+++ b/train/diagrams/easy/diagrams_612.txt
@@ -0,0 +1,8 @@
+<Academic Search, optimizes keywords, Featured Snippets Optimization>
+<Featured Snippets Optimization, uses schema markup, Search Result Display>
+<Mobile_First Indexing, connectedTo, Negative SEO Prevention>
+<Mobile_First Indexing, improves core vitals, Shopping Search>
+<Negative SEO Prevention, manages international SEO, Academic Search>
+<On_Page SEO, connectedTo, International SEO>
+<Search Result Display, connectedTo, On_Page SEO>
+<Shopping Search, handles voice search, Mobile_First Indexing>
diff --git a/train/diagrams/easy/diagrams_613.dot b/train/diagrams/easy/diagrams_613.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a70d80786eb0a60ba91f2f2ea3455049042e61d5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_613.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Personalized Search Results" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N1 [label="Query Processing" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N2 [label="Local SEO" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+	N3 [label="Image Search" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N4 [label="Google My Business Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=rect style=filled]
+	N5 [label="Crawling Websites" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N6 [label="User Intent Understanding" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N7 [label="Schema Markup Implementation" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N8 [label="Knowledge Graph Integration" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N9 [label="Site Architecture Optimization" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFF9AE" penwidth=1.5 style=dashed label="monitors rankings" dir=forward]
+	N2 -> N3 [color="#E57373" penwidth=1.5 style=dashed label="uses schema markup" dir=forward]
+	N3 -> N4 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E57373" penwidth=1.5 style=solid label="indexes content" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="analyzes competitors" dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E57373" penwidth=1.5 style=dashed label="builds knowledge graphs" dir=forward]
+	N8 -> N9 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N1 [color="#FFF9AE" penwidth=1.5 style=dashed label="handles voice search" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_617.txt b/train/diagrams/easy/diagrams_617.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b32828071da68bfb7b7b090bfda94d6562525bad
--- /dev/null
+++ b/train/diagrams/easy/diagrams_617.txt
@@ -0,0 +1,12 @@
+<API Security for Identity, connectedTo, User Registration>
+<API Security for Identity, detects fraud, Digital Signatures>
+<Decentralized Identifiers, connectedTo, Password Management>
+<Digital Signatures, integrates social logins, Single Sign_On>
+<Federated Identity Management, connectedTo, API Security for Identity>
+<Federated Identity Management, provides IDaaS, User Registration>
+<Identity Lifecycle Management, connectedTo, Verifiable Credentials>
+<Multi_Factor Authentication, connectedTo, Federated Identity Management>
+<Password Management, protects data, Privileged Access Management>
+<Privileged Access Management, revokes access, Multi_Factor Authentication>
+<User Registration, federates identities, Identity Lifecycle Management>
+<Verifiable Credentials, implements adaptive authentication, Digital Signatures>
diff --git a/train/diagrams/easy/diagrams_618.dot b/train/diagrams/easy/diagrams_618.dot
new file mode 100644
index 0000000000000000000000000000000000000000..671d643d459a90852c5e548fceca69839a027b5e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_618.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Digital Signatures" color="#F06292" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N1 [label="Single Sign_On" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N2 [label="Password Management" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N3 [label="Privileged Access Management" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N4 [label="Credential Management" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N5 [label="Data Minimization Principles" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N6 [label="Authentication" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N7 [label="Biometric Authentication" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	N0 -> N1 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F06292" penwidth=1.5 style=dashed label="de_provisions users" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=solid label="encrypts data" dir=forward]
+	N5 -> N6 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N4 [color="#A188D0" penwidth=1.5 style=dashed label="manages credentials" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_619.dot b/train/diagrams/easy/diagrams_619.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6117846dd23502f64f44901b70f9b0db00c8399e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_619.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="User Registration" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N1 [label="De_provisioning" color="#26A69A" fillcolor="#E0F2F1" shape=action style=filled]
+	N2 [label="Privacy Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=database style=filled]
+	N3 [label="Data Encryption for Identity" color="#26A69A" fillcolor="#E0F2F1" shape=document style=filled]
+	N4 [label="Identity as a Service" color="#CFCFCF" fillcolor="#F6F6F6" shape=multipledocuments style=filled]
+	N5 [label="Password Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+	N6 [label="User Provisioning" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N7 [label="Risk_Based Authentication" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N8 [label="Social Login Integration" color="#26A69A" fillcolor="#E0F2F1" shape=action style=filled]
+	N9 [label="Authorization" color="#26A69A" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=solid label="issues certificates" dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="audits access" dir=forward]
+	N5 -> N6 [color="#CFCFCF" penwidth=1.5 style=solid label="implements adaptive authentication" dir=forward]
+	N6 -> N7 [color="#CFCFCF" penwidth=1.5 style=dashed label="authorizes access" dir=forward]
+	N7 -> N8 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N3 [color="#26A69A" penwidth=1.5 style=dashed label="governs access" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_624.dot b/train/diagrams/easy/diagrams_624.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f4f68a62c5d2829a29d7405cc143fe0fd3f71278
--- /dev/null
+++ b/train/diagrams/easy/diagrams_624.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Authentication" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N1 [label="Customer Identity and Access Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N2 [label="Authorization" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+	N3 [label="KYC Integration" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N4 [label="Data Encryption for Identity" color="#6FE1D5" fillcolor="#C9EFEC" shape=vnode_shape style=filled]
+	N5 [label="Workforce Identity Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+	N6 [label="Portable Identities" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+	N7 [label="API Security for Identity" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N8 [label="User Registration" color="#E0E0E0" fillcolor="#EBEBEB" shape=action style=filled]
+	N9 [label="De_provisioning" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N0 -> N1 [color="#E0E0E0" penwidth=1.5 style=solid label="integrates social logins" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="issues verifiable credentials" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="implements SSO" dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="de_provisions users" dir=forward]
+	N7 -> N8 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N2 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N6 [color="#E0E0E0" penwidth=1.5 style=solid label="uses digital signatures" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_625.dot b/train/diagrams/easy/diagrams_625.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c6d73a2460ac127f7eb631638224d4eb266abee0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_625.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Collaborative Projects" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N1 [label="Virtual Classroom Facilitation" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N2 [label="Open Educational Resources Integration" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N3 [label="Assessment Design" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N4 [label="Student Progress Tracking" color="#FF5722" fillcolor="#FFCCBC" shape=rect style=filled]
+	N5 [label="Feedback and Grading" color="#A2D0FF" fillcolor="#E8F0FF" shape=preparation style=filled]
+	N6 [label="Certification Issuance" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N7 [label="Course Design" color="#FF5722" fillcolor="#FFCCBC" shape=multipledocuments style=filled]
+	N8 [label="Bootcamp Development" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N9 [label="Accessibility Features" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N10 [label="Digital Badges" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=dashed label="provides feedback" dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=dashed label="digitizes curriculum" dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed label="supports SEL" dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=solid label="uses adaptive systems" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="uses AR or VR for learning" dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF5722" penwidth=1.5 style=dashed label="manages hardware" dir=forward]
+	N8 -> N9 [color="#A2D0FF" penwidth=1.5 style=dashed label="personalizes learning" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="offers professional development" dir=forward]
+	N2 -> N5 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N9 -> N3 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_627.txt b/train/diagrams/easy/diagrams_627.txt
new file mode 100644
index 0000000000000000000000000000000000000000..956f3313ea0bdcb1d303526ec1fd774727826eb7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_627.txt
@@ -0,0 +1,13 @@
+<Adaptive Learning Technologies, connectedTo, Content Creation>
+<Assessment Design, integrates AI, Test Preparation Courses>
+<Asynchronous Learning, connectedTo, Competency_Based Education>
+<Bootcamp Development, connectedTo, Content Creation>
+<Competency_Based Education, connectedTo, Adaptive Learning Technologies>
+<Content Creation, connectedTo, Assessment Design>
+<Course Evaluation, administers assessments, Parent or Guardian Communication>
+<Course Evaluation, analyzes learning data, Synchronous Learning>
+<Learning Analytics, simulates labs, Micro_credential Programs>
+<Micro_credential Programs, applies learning design, Bootcamp Development>
+<Parent or Guardian Communication, connectedTo, Learning Analytics>
+<Synchronous Learning, connectedTo, Asynchronous Learning>
+<Test Preparation Courses, offers online tutoring, Synchronous Learning>
diff --git a/train/diagrams/easy/diagrams_628.dot b/train/diagrams/easy/diagrams_628.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d559c8d40f84fa79eddd54c4bc8a625b5b75ecc1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_628.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Course Evaluation" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N1 [label="Feedback and Grading" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N2 [label="Professional Development Courses" color="#E0E0E0" fillcolor="#EBEBEB" shape=action style=filled]
+	N3 [label="Virtual Field Trips" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N4 [label="Accreditation Management" color="#4CAF50" fillcolor="#C8E6C9" shape=document style=filled]
+	N5 [label="Student Engagement Strategies" color="#C2B2F0" fillcolor="#EFE6FF" shape=document style=filled]
+	N6 [label="Assessment Design" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N7 [label="Course Design" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N8 [label="Learning Analytics" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=solid label="creates analytics dashboards" dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=dashed label="uses blockchain for credentials" dir=forward]
+	N2 -> N3 [color="#E0E0E0" penwidth=1.5 style=solid label="manages student info" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="issues certificates" dir=forward]
+	N5 -> N6 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E0E0E0" penwidth=1.5 style=solid label="issues badges" dir=forward]
+	N7 -> N8 [color="#E0E0E0" penwidth=1.5 style=dashed label="integrates AI" dir=forward]
+	N7 -> N6 [color="#4CAF50" penwidth=1.5 style=dashed label="uses machine learning" dir=forward]
+	N3 -> N7 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_630.txt b/train/diagrams/easy/diagrams_630.txt
new file mode 100644
index 0000000000000000000000000000000000000000..038f9eedf507f7650003566bffded8dc53f07959
--- /dev/null
+++ b/train/diagrams/easy/diagrams_630.txt
@@ -0,0 +1,10 @@
+<AI in Online Education, designs content, Online Tutoring>
+<Accreditation Management, connectedTo, Discussion Forum Moderation>
+<Course Evaluation, connectedTo, Personalized Learning Paths>
+<Curriculum Development, delivers lectures, Accreditation Management>
+<Discussion Forum Moderation, manages hardware, Learning Analytics>
+<Online Tutoring, issues badges, Course Evaluation>
+<Peer_to_Peer Learning, connectedTo, Curriculum Development>
+<Personalized Learning Paths, connectedTo, Course Evaluation>
+<Personalized Learning Paths, connectedTo, Virtual Classroom Facilitation>
+<Virtual Classroom Facilitation, uses adaptive systems, Peer_to_Peer Learning>
diff --git a/train/diagrams/easy/diagrams_631.txt b/train/diagrams/easy/diagrams_631.txt
new file mode 100644
index 0000000000000000000000000000000000000000..394bafee85f5f89b4f70b2123f26d33469941456
--- /dev/null
+++ b/train/diagrams/easy/diagrams_631.txt
@@ -0,0 +1,9 @@
+<Accreditation Management, connectedTo, Competency_Based Education>
+<Accreditation Management, connectedTo, Synchronous Learning>
+<Certification Issuance, analyzes learning data, Accreditation Management>
+<Competency_Based Education, designs content, Bootcamp Development>
+<Language Learning Platforms, offers online tutoring, Learning Management System Administration>
+<Learning Management System Administration, connectedTo, Synchronous Learning>
+<Professional Development Courses, ensures accessibility, Virtual Labs and Simulations>
+<Synchronous Learning, hosts MOOCs, Certification Issuance>
+<Virtual Labs and Simulations, connectedTo, Language Learning Platforms>
diff --git a/train/diagrams/easy/diagrams_632.dot b/train/diagrams/easy/diagrams_632.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fc3efebb1d2b65010c290e0b32c584658fd5ca69
--- /dev/null
+++ b/train/diagrams/easy/diagrams_632.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Certification Issuance" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N1 [label="Content Creation" color="#FFC107" fillcolor="#FFECB3" shape=document style=filled]
+	N2 [label="Enrollment and Retention Strategies" color="#FFC107" fillcolor="#FFECB3" shape=rect style=filled]
+	N3 [label="Asynchronous Learning" color="#FFC107" fillcolor="#FFECB3" shape=database style=filled]
+	N4 [label="Personalized Learning Paths" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N5 [label="Virtual Classroom Facilitation" color="#61CAC3" fillcolor="#C2E8E6" shape=document style=filled]
+	N6 [label="Collaborative Projects" color="#94C0C0" fillcolor="#CADEDE" shape=preparation style=filled]
+	N7 [label="Synchronous Learning" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
+	N8 [label="Course Evaluation" color="#FFC107" fillcolor="#FFECB3" shape=document style=filled]
+	N9 [label="Curriculum Development" color="#61CAC3" fillcolor="#C2E8E6" shape=database style=filled]
+	N10 [label="Language Learning Platforms" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFC107" penwidth=1.5 style=solid label="uses machine learning" dir=forward]
+	N5 -> N6 [color="#FFC107" penwidth=1.5 style=dashed label="issues certificates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#61CAC3" penwidth=1.5 style=dashed label="uses blockchain for credentials" dir=forward]
+	N8 -> N9 [color="#FFC107" penwidth=1.5 style=dashed label="administers assessments" dir=forward]
+	N9 -> N10 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N10 [color="#FFC107" penwidth=1.5 style=dashed label="hosts MOOCs" dir=forward]
+	N5 -> N10 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_638.dot b/train/diagrams/easy/diagrams_638.dot
new file mode 100644
index 0000000000000000000000000000000000000000..861a3c6b84917778f3f1e4756ccdadb4aa42aa8b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_638.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Engagement Metrics Tracking" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N1 [label="Instructor_Led Sessions" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N2 [label="Continuous Course Improvement" color="#A2D0FF" fillcolor="#E8F0FF" shape=multipledocuments style=filled]
+	N3 [label="Course Audit Options" color="#BDBDBD" fillcolor="#F5F5F5" shape=rectangle style=filled]
+	N4 [label="Skill_Based Learning Outcomes" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N5 [label="Course Retirement Planning" color="#BDBDBD" fillcolor="#F5F5F5" shape=diamond style=filled]
+	N6 [label="Certificate of Completion Issuance" color="#FFB2A5" fillcolor="#FFDCD6" shape=predefinedprocess style=filled]
+	N7 [label="Research on MOOC Effectiveness" color="#BDBDBD" fillcolor="#F5F5F5" shape=database style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=dashed label="analyzes data" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BDBDBD" penwidth=1.5 style=solid label="hosts platforms" dir=forward]
+	N3 -> N4 [color="#BDBDBD" penwidth=1.5 style=solid label="delivers lectures" dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=solid label="complies with regulations" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N2 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N5 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_642.dot b/train/diagrams/easy/diagrams_642.dot
new file mode 100644
index 0000000000000000000000000000000000000000..52777151da924a8634af52f54142929e66024953
--- /dev/null
+++ b/train/diagrams/easy/diagrams_642.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Test_Taking Strategies" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N1 [label="Flashcard Creation" color="#AB47BC" fillcolor="#F3E5F5" shape=action style=filled]
+	N2 [label="Score Analysis" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+	N3 [label="Practice Test Creation" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N4 [label="History Topic Mastery" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N5 [label="Student Progress Tracking" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N6 [label="Subject Matter Review" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N7 [label="Performance Feedback" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N8 [label="Parent or Guardian Updates" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N9 [label="AI_Powered Tutoring" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N10 [label="Mock Exam Administration" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N0 -> N1 [color="#AB47BC" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N1 -> N2 [color="#A188D0" penwidth=1.5 style=dashed label="provides" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=solid label="facilitates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#AB47BC" penwidth=1.5 style=solid label="develops" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid label="counsels" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N9 -> N10 [color="#A188D0" penwidth=1.5 style=solid label="coaches" dir=forward]
+	N2 -> N6 [color="#000000" penwidth=1.5 style=solid label="motivates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_642.txt b/train/diagrams/easy/diagrams_642.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c728171700d210146c9a6e8341008b5d2392a456
--- /dev/null
+++ b/train/diagrams/easy/diagrams_642.txt
@@ -0,0 +1,11 @@
+<AI_Powered Tutoring, coaches, Mock Exam Administration>
+<Flashcard Creation, provides, Score Analysis>
+<History Topic Mastery, connectedTo, Student Progress Tracking>
+<Parent or Guardian Updates, analyzes, AI_Powered Tutoring>
+<Performance Feedback, counsels, Parent or Guardian Updates>
+<Practice Test Creation, facilitates, History Topic Mastery>
+<Score Analysis, connectedTo, Practice Test Creation>
+<Score Analysis, motivates, Subject Matter Review>
+<Student Progress Tracking, develops, Subject Matter Review>
+<Subject Matter Review, connectedTo, Performance Feedback>
+<Test_Taking Strategies, reviews, Flashcard Creation>
diff --git a/train/diagrams/easy/diagrams_645.txt b/train/diagrams/easy/diagrams_645.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b814ffe3d60fc1f3a1aea264e21bbd2e4d4d43b6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_645.txt
@@ -0,0 +1,8 @@
+<English Proficiency Test Prep, scores, Test_Taking Strategies>
+<Graduate School Exam Prep, automates, Practice Test Creation>
+<Interactive Exercises, connectedTo, English Proficiency Test Prep>
+<Interactive Exercises, connectedTo, Stress Management for Exams>
+<Performance Feedback, connectedTo, English Proficiency Test Prep>
+<Practice Test Creation, connectedTo, Interactive Exercises>
+<Stress Management for Exams, revises, AI_Powered Tutoring>
+<Test_Taking Strategies, practices, Graduate School Exam Prep>
diff --git a/train/diagrams/easy/diagrams_646.txt b/train/diagrams/easy/diagrams_646.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a9bbab89ac36748bd0efd543a8b2967b3776da1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_646.txt
@@ -0,0 +1,10 @@
+<History Topic Mastery, connectedTo, Interactive Exercises>
+<History Topic Mastery, connectedTo, Study Material Design>
+<History Topic Mastery, interacts, Performance Feedback>
+<Interactive Exercises, connectedTo, Practice Test Creation>
+<Motivation Coaching, counsels, Reading Comprehension Drills>
+<Online Course Delivery, connectedTo, Interactive Exercises>
+<Performance Feedback, connectedTo, Online Course Delivery>
+<Practice Test Creation, evaluates, Motivation Coaching>
+<Reading Comprehension Drills, engages, Memory Techniques Training>
+<Study Material Design, practices, Performance Feedback>
diff --git a/train/diagrams/easy/diagrams_647.txt b/train/diagrams/easy/diagrams_647.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e87762fc8c631e9ee2d57a4354a4c8cfb17fe9b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_647.txt
@@ -0,0 +1,11 @@
+<AI_Powered Tutoring, connectedTo, Flashcard Creation>
+<Graduate School Exam Prep, provides, Virtual Proctoring>
+<Interactive Exercises, connectedTo, AI_Powered Tutoring>
+<Online Course Delivery, facilitates, Graduate School Exam Prep>
+<Performance Feedback, distributes, Subject Matter Review>
+<Professional Licensure Exam Prep, reviews, Interactive Exercises>
+<Score Analysis, adapts, Performance Feedback>
+<Score Analysis, analyzes, Subject Matter Review>
+<Subject Matter Review, connectedTo, Tutoring Session>
+<Tutoring Session, engages, Online Course Delivery>
+<Virtual Proctoring, connectedTo, Professional Licensure Exam Prep>
diff --git a/train/diagrams/easy/diagrams_648.txt b/train/diagrams/easy/diagrams_648.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fef73b83be0b51cc7c4dcd523c8f3187df0447c5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_648.txt
@@ -0,0 +1,11 @@
+<Critical Thinking Development, sells, English Proficiency Test Prep>
+<Critical Thinking Development, teaches, Study Group Facilitation>
+<English Proficiency Test Prep, reviews, Performance Prediction Models>
+<Mock Exam Administration, connectedTo, Reading Comprehension Drills>
+<Parent or Guardian Updates, connectedTo, Score Analysis>
+<Practice Test Creation, provides, Parent or Guardian Updates>
+<Reading Comprehension Drills, connectedTo, Practice Test Creation>
+<Score Analysis, distributes, Writing Skills Improvement>
+<Study Group Facilitation, connectedTo, English Proficiency Test Prep>
+<Writing Skills Improvement, adapts, Study Group Facilitation>
+<Writing Skills Improvement, practices, Critical Thinking Development>
diff --git a/train/diagrams/easy/diagrams_649.txt b/train/diagrams/easy/diagrams_649.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ed610ddee7d99e0015a6402f78b645b317334e06
--- /dev/null
+++ b/train/diagrams/easy/diagrams_649.txt
@@ -0,0 +1,12 @@
+<Audio Lessons, evaluates, Cultural Immersion>
+<Children's Language Learning, interacts, Immersion Programs>
+<Contextual Learning, pronounces, Error Correction Feedback>
+<Cultural Immersion, connectedTo, AI_Powered Language Tutors>
+<Error Correction Feedback, markets, Translation Exercises>
+<Grammar Practice, facilitates, Video Lessons>
+<Immersion Programs, connectedTo, Slang and Idioms Learning>
+<Instructor_Led Classes, tests, Grammar Practice>
+<Slang and Idioms Learning, simulates, Contextual Learning>
+<Translation Exercises, connectedTo, Grammar Practice>
+<Translation Exercises, connectedTo, Instructor_Led Classes>
+<Video Lessons, sells, Audio Lessons>
diff --git a/train/diagrams/easy/diagrams_65.dot b/train/diagrams/easy/diagrams_65.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f3676a6f9c9548b489451b11c9592e873b5db237
--- /dev/null
+++ b/train/diagrams/easy/diagrams_65.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Pickup Request" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N1 [label="Cargo Tracking" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N2 [label="Cold Chain Management" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N3 [label="Demand Forecasting Integration" color="#26A69A" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N4 [label="Rail Transport Coordination" color="#4285F4" fillcolor="#D0E0F8" shape=rectangle style=filled]
+	N5 [label="Supply Chain Visibility" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N6 [label="Barcode Scanning" color="#4285F4" fillcolor="#D0E0F8" shape=predefinedprocess style=filled]
+	N7 [label="Return Logistics" color="#4285F4" fillcolor="#D0E0F8" shape=action style=filled]
+	N8 [label="Pallet Stacking" color="#26A69A" fillcolor="#E0F2F1" shape=database style=filled]
+	N9 [label="Inventory Sync" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N0 -> N1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4285F4" penwidth=1.5 style=dashed label="delivers" dir=forward]
+	N2 -> N3 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4285F4" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N4 -> N5 [color="#4285F4" penwidth=1.5 style=solid label="checks in" dir=forward]
+	N5 -> N6 [color="#4285F4" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BA68C8" penwidth=1.5 style=solid label="reports" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N3 -> N7 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_65.txt b/train/diagrams/easy/diagrams_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b34932977ce2662631be226d87254b5cdb66a36
--- /dev/null
+++ b/train/diagrams/easy/diagrams_65.txt
@@ -0,0 +1,10 @@
+<Barcode Scanning, connectedTo, Return Logistics>
+<Cargo Tracking, delivers, Cold Chain Management>
+<Cold Chain Management, connectedTo, Demand Forecasting Integration>
+<Demand Forecasting Integration, audits, Rail Transport Coordination>
+<Demand Forecasting Integration, connectedTo, Return Logistics>
+<Pallet Stacking, inspects, Inventory Sync>
+<Pickup Request, connectedTo, Cargo Tracking>
+<Rail Transport Coordination, checks in, Supply Chain Visibility>
+<Return Logistics, reports, Pallet Stacking>
+<Supply Chain Visibility, measures, Barcode Scanning>
diff --git a/train/diagrams/easy/diagrams_652.dot b/train/diagrams/easy/diagrams_652.dot
new file mode 100644
index 0000000000000000000000000000000000000000..44891543398925371411a5eaf483d14fc97887e5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_652.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Vocabulary Acquisition" color="#42A5F5" fillcolor="#F1F8FF" shape=predefinedprocess style=filled]
+	N1 [label="Slang and Idioms Learning" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N2 [label="Reading Comprehension" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N3 [label="Contextual Learning" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N4 [label="Virtual Reality Language Environments" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N5 [label="AI_Powered Language Tutors" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N6 [label="Self_Study Modules" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N7 [label="Memory Retention Techniques" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N8 [label="Online Tutoring Sessions" color="#42A5F5" fillcolor="#F1F8FF" shape=preparation style=filled]
+	N9 [label="Native Speaker Interaction" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N10 [label="Travel Language Essentials" color="#FFB2A5" fillcolor="#FFDCD6" shape=multipledocuments style=filled]
+	N11 [label="Interactive Dialogues" color="#42A5F5" fillcolor="#F1F8FF" shape=rectangle style=filled]
+	N0 -> N1 [color="#FFB2A5" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N1 -> N2 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid label="dialogues" dir=forward]
+	N4 -> N5 [color="#42A5F5" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=solid label="transcribes" dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=dashed label="gamifies" dir=forward]
+	N7 -> N8 [color="#FFB2A5" penwidth=1.5 style=dashed label="interacts" dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=solid label="corrects" dir=forward]
+	N10 -> N11 [color="#DCE775" penwidth=1.5 style=dashed label="pronounces" dir=forward]
+	N3 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N8 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_653.dot b/train/diagrams/easy/diagrams_653.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cee1d2a85eb395c4cbeb98a9f59ac03bbedad17d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_653.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Listening Comprehension" color="#388E3C" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N1 [label="Instructor_Led Classes" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N2 [label="Adult Language Learning" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N3 [label="Virtual Reality Language Environments" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N4 [label="Memory Retention Techniques" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N5 [label="Language Assessment Tests" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N6 [label="Reading Comprehension" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N7 [label="Cultural Immersion" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N8 [label="Business Language Training" color="#4285F4" fillcolor="#D0E0F8" shape=preparation style=filled]
+	N9 [label="Pronunciation Drills" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N10 [label="Interactive Dialogues" color="#388E3C" fillcolor="#F1F8E9" shape=database style=filled]
+	N0 -> N1 [color="#4285F4" penwidth=1.5 style=dashed label="provides" dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="writes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="memorizes" dir=forward]
+	N4 -> N5 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#4285F4" penwidth=1.5 style=dashed label="sells" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N2 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_658.txt b/train/diagrams/easy/diagrams_658.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fce2aa91b8a59ad5f7d5110cc0e43426c98acb38
--- /dev/null
+++ b/train/diagrams/easy/diagrams_658.txt
@@ -0,0 +1,10 @@
+<Art Therapy, manages, Peer Support Programs>
+<Bipolar Disorder Management, connectedTo, Inpatient Treatment Coordination>
+<Digital Mental Health Tools, records, Eating Disorder Treatment>
+<Eating Disorder Treatment, researches, Substance Abuse Counseling>
+<Inpatient Treatment Coordination, counsels, Digital Mental Health Tools>
+<Inpatient Treatment Coordination, integrates, Art Therapy>
+<Outpatient Program Management, connectedTo, Art Therapy>
+<Peer Support Programs, listens, Telehealth Counseling>
+<Substance Abuse Counseling, connectedTo, Outpatient Program Management>
+<Telehealth Counseling, therapies, Music Therapy>
diff --git a/train/diagrams/easy/diagrams_66.txt b/train/diagrams/easy/diagrams_66.txt
new file mode 100644
index 0000000000000000000000000000000000000000..59e4c762306be6c3a3413da8f72d8f69cadbea37
--- /dev/null
+++ b/train/diagrams/easy/diagrams_66.txt
@@ -0,0 +1,11 @@
+<Air Cargo Handling, manages, Return Logistics>
+<Customs Declaration, connectedTo, Return Logistics>
+<Customs Declaration, expedites, Rail Transport Coordination>
+<Damage Reporting, connectedTo, Customs Declaration>
+<Damage Reporting, connectedTo, Deconsolidation>
+<Deconsolidation, plans, Invoice Matching>
+<Freight Booking, connectedTo, Air Cargo Handling>
+<Invoice Matching, connectedTo, Damage Reporting>
+<Rail Transport Coordination, scans, Container Loading>
+<Return Logistics, stacks, Deconsolidation>
+<Supply Chain Visibility, connectedTo, Freight Booking>
diff --git a/train/diagrams/easy/diagrams_660.txt b/train/diagrams/easy/diagrams_660.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a6812b4847063f1ce448530f737d115fdab9413
--- /dev/null
+++ b/train/diagrams/easy/diagrams_660.txt
@@ -0,0 +1,9 @@
+<Depression Treatment, advocates, Family Therapy>
+<Emotional Regulation Training, connectedTo, Workplace Mental Health Programs>
+<Family Therapy, develops, Recreational Therapy>
+<Medication Management, connectedTo, Depression Treatment>
+<Medication Management, connectedTo, Workplace Mental Health Programs>
+<Recreational Therapy, connectedTo, Emotional Regulation Training>
+<Schizophrenia Management, connectedTo, Medication Management>
+<Therapy Session, diagnoses, Medication Management>
+<Workplace Mental Health Programs, advises, Schizophrenia Management>
diff --git a/train/diagrams/easy/diagrams_668.txt b/train/diagrams/easy/diagrams_668.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fdf7ed995690ea5eb11fd5e11d940b2c1997586b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_668.txt
@@ -0,0 +1,10 @@
+<Child Nutrition, connectedTo, Sports Nutrition>
+<Food Allergy Management, sources, Weight Management>
+<Food Waste Reduction, connectedTo, Micronutrient Analysis>
+<Micronutrient Analysis, connectedTo, Sustainable Food Systems>
+<Nutritional Biomarker Analysis, connectedTo, Child Nutrition>
+<Public Health Nutrition Programs, optimizes, Food Allergy Management>
+<Sports Nutrition, tests, Public Health Nutrition Programs>
+<Sustainable Food Systems, connectedTo, Dietary Software Usage>
+<Weight Management, connectedTo, Public Health Nutrition Programs>
+<Weight Management, cooks, Food Waste Reduction>
diff --git a/train/diagrams/easy/diagrams_669.txt b/train/diagrams/easy/diagrams_669.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0170fac976f13050c7b2c969bcb055272f674da2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_669.txt
@@ -0,0 +1,9 @@
+<Body Composition Analysis, guides, Food Label Interpretation>
+<Dietary Supplement Review, connectedTo, Nutrigenomics Research>
+<Food Label Interpretation, connectedTo, Food Waste Reduction>
+<Food Waste Reduction, connectedTo, Inflammation and Diet>
+<Gut Microbiome Health, connectedTo, Body Composition Analysis>
+<Inflammation and Diet, personalizes, Supplement Recommendation>
+<Metabolism Rate Assessment, advises, Dietary Supplement Review>
+<Nutrigenomics Research, monitors, Food Label Interpretation>
+<Supplement Recommendation, measures, Metabolism Rate Assessment>
diff --git a/train/diagrams/easy/diagrams_670.dot b/train/diagrams/easy/diagrams_670.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8b6f67e7468b0b6231f5f70d274323aaa12a93d0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_670.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Recipe Adaptation" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N1 [label="Child Nutrition" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
+	N2 [label="Elderly Nutrition" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N3 [label="Supplement Recommendation" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
+	N4 [label="Weight Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N5 [label="Food Waste Reduction" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N6 [label="Metabolism Rate Assessment" color="#C2B2F0" fillcolor="#EFE6FF" shape=inputoutput style=filled]
+	N7 [label="Food Preparation Guidance" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N8 [label="Disease_Specific Nutrition" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N9 [label="Personalized Nutrition Plans" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFE69C" penwidth=1.5 style=dashed label="customizes" dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid label="identifies" dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#61CAC3" penwidth=1.5 style=solid label="supports" dir=forward]
+	N6 -> N7 [color="#61CAC3" penwidth=1.5 style=solid label="generates" dir=forward]
+	N7 -> N8 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#C2B2F0" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N4 -> N7 [color="#C2B2F0" penwidth=1.5 style=dashed label="assesses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_670.txt b/train/diagrams/easy/diagrams_670.txt
new file mode 100644
index 0000000000000000000000000000000000000000..77275230375f8ca79b4ab0c668667e5eb366ec3f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_670.txt
@@ -0,0 +1,10 @@
+<Child Nutrition, customizes, Elderly Nutrition>
+<Disease_Specific Nutrition, tracks, Personalized Nutrition Plans>
+<Elderly Nutrition, identifies, Supplement Recommendation>
+<Food Preparation Guidance, connectedTo, Disease_Specific Nutrition>
+<Food Waste Reduction, supports, Metabolism Rate Assessment>
+<Metabolism Rate Assessment, generates, Food Preparation Guidance>
+<Recipe Adaptation, connectedTo, Child Nutrition>
+<Supplement Recommendation, connectedTo, Weight Management>
+<Weight Management, assesses, Food Preparation Guidance>
+<Weight Management, connectedTo, Food Waste Reduction>
diff --git a/train/diagrams/easy/diagrams_671.dot b/train/diagrams/easy/diagrams_671.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e6e9f97cb94fb27f7073961d9a784294e8783cfa
--- /dev/null
+++ b/train/diagrams/easy/diagrams_671.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Maternal Nutrition" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+	N1 [label="Child Nutrition" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N2 [label="Dietary Software Usage" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N3 [label="Nutritional Counseling" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N4 [label="Food Waste Reduction" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	N5 [label="Nutritional Biomarker Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=inputoutput style=filled]
+	N6 [label="Genetic Nutrition Counseling" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N7 [label="Nutrigenomics Research" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N8 [label="Food Preparation Guidance" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N9 [label="Detoxification Programs" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N2 -> N3 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#2196F3" penwidth=1.5 style=dashed label="motivates" dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#AF56A6" penwidth=1.5 style=solid label="calculates" dir=forward]
+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=solid label="develops" dir=forward]
+	N4 -> N9 [color="#2196F3" penwidth=1.5 style=dashed label="generates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_673.dot b/train/diagrams/easy/diagrams_673.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0de41f0a19768401c33dec7e4eb888e6b469cf3e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_673.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Cardiovascular Training" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N1 [label="Nutrition for Fitness" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N2 [label="Senior Fitness Programs" color="#795548" fillcolor="#D7CCC8" shape=predefinedprocess style=filled]
+	N3 [label="Youth Fitness Programs" color="#FFC085" fillcolor="#FFDAB9" shape=preparation style=filled]
+	N4 [label="Body Composition Analysis" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N5 [label="Biometric Feedback Integration" color="#FF8A65" fillcolor="#FBE9E7" shape=vnode_shape style=filled]
+	N6 [label="Sports_Specific Training" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N7 [label="Pilates Instruction" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N8 [label="Core Strengthening" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N9 [label="Hydration for Exercise" color="#FF8A65" fillcolor="#FBE9E7" shape=action style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFC085" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=solid label="improves" dir=forward]
+	N7 -> N8 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFC085" penwidth=1.5 style=solid label="designs" dir=forward]
+	N8 -> N6 [color="#FF8A65" penwidth=1.5 style=solid label="connects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_674.dot b/train/diagrams/easy/diagrams_674.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d6ff65a352635d49328a45ec2b67926138d5a8b9
--- /dev/null
+++ b/train/diagrams/easy/diagrams_674.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Outdoor Fitness Activities" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	N1 [label="Yoga Instruction" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N2 [label="HIIT Workouts" color="#FFF8A6" fillcolor="#FFFDE0" shape=predefinedprocess style=filled]
+	N3 [label="Group Fitness Classes" color="#607D8B" fillcolor="#CFD8DC" shape=database style=filled]
+	N4 [label="Weightlifting Techniques" color="#73C6BC" fillcolor="#D0EFEE" shape=database style=filled]
+	N5 [label="Home Workout Programs" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+	N6 [label="Personalized Exercise Prescriptions" color="#FFF8A6" fillcolor="#FFFDE0" shape=diamond style=filled]
+	N7 [label="Strength Training" color="#607D8B" fillcolor="#CFD8DC" shape=rectangle style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#607D8B" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N7 -> N6 [color="#73C6BC" penwidth=1.5 style=dashed label="trains" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_676.txt b/train/diagrams/easy/diagrams_676.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8b055890af733d853eeac49c425720c518a62600
--- /dev/null
+++ b/train/diagrams/easy/diagrams_676.txt
@@ -0,0 +1,12 @@
+<Body Composition Analysis, connectedTo, Workout Tracking Apps>
+<Core Strengthening, educates, Motivation and Goal Setting>
+<Motivation and Goal Setting, motivates, Sports_Specific Training>
+<Pilates Instruction, connectedTo, Rehabilitation Exercises>
+<Posture Correction, assesses, Youth Fitness Programs>
+<Rehabilitation Exercises, supports, Body Composition Analysis>
+<Sports_Specific Training, consults, Workout Tracking Apps>
+<Sports_Specific Training, visualizes, Posture Correction>
+<Strength Training, recovers, Core Strengthening>
+<Workout Tracking Apps, connectedTo, Corporate Wellness Programs>
+<Workout Tracking Apps, connectedTo, Youth Fitness Programs>
+<Youth Fitness Programs, communicates, Pilates Instruction>
diff --git a/train/diagrams/easy/diagrams_677.dot b/train/diagrams/easy/diagrams_677.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2dc457d82294f6f7f06b1252181420bb9f68db44
--- /dev/null
+++ b/train/diagrams/easy/diagrams_677.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Fitness Equipment Maintenance" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N1 [label="Body Composition Analysis" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+	N2 [label="Personal Training" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N3 [label="Pilates Instruction" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N4 [label="Weightlifting Techniques" color="#F06292" fillcolor="#FCE4EC" shape=rect style=filled]
+	N5 [label="Endurance Training" color="#F44336" fillcolor="#FFCDD2" shape=action style=filled]
+	N6 [label="Strength Training" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N7 [label="Biometric Feedback Integration" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="consults" dir=forward]
+	N1 -> N2 [color="#F06292" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N7 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N3 -> N0 [color="#FFE470" penwidth=1.5 style=solid label="communicates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_678.dot b/train/diagrams/easy/diagrams_678.dot
new file mode 100644
index 0000000000000000000000000000000000000000..14f33788191fa36a9d448d53e5d35db2d9c886a2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_678.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Sports_Specific Training" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N1 [label="Fitness Assessment" color="#7E57C2" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N2 [label="Outdoor Fitness Activities" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N3 [label="Home Workout Programs" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N4 [label="Functional Fitness Training" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N5 [label="Biometric Feedback Integration" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N6 [label="Senior Fitness Programs" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N7 [label="HIIT Workouts" color="#7E57C2" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N8 [label="Hydration for Exercise" color="#8C9EFF" fillcolor="#D3D7EB" shape=predefinedprocess style=filled]
+	N9 [label="Motivation and Goal Setting" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N10 [label="Virtual Fitness Classes" color="#8C9EFF" fillcolor="#D3D7EB" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="personalizes" dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=solid label="tests" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="advises" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N4 -> N3 [color="#000000" penwidth=1.5 style=solid label="optimizes" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_680.txt b/train/diagrams/easy/diagrams_680.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2304adaad1de9afae88a3eedd2210ccb449b5c85
--- /dev/null
+++ b/train/diagrams/easy/diagrams_680.txt
@@ -0,0 +1,10 @@
+<Functional Fitness Training, gamifies, HIIT Workouts>
+<HIIT Workouts, connectedTo, Pilates Instruction>
+<Injury Prevention, connectedTo, Virtual Fitness Classes>
+<Personal Training, connectedTo, Virtual Fitness Classes>
+<Personal Training, trains, Senior Fitness Programs>
+<Pilates Instruction, connectedTo, Youth Fitness Programs>
+<Senior Fitness Programs, analyzes, Home Workout Programs>
+<Virtual Fitness Classes, connectedTo, Personal Training>
+<Weightlifting Techniques, communicates, Injury Prevention>
+<Youth Fitness Programs, advises, Weightlifting Techniques>
diff --git a/train/diagrams/easy/diagrams_681.txt b/train/diagrams/easy/diagrams_681.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4ffea91178bf95217ef5fcaac30a35f5f2d78c2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_681.txt
@@ -0,0 +1,10 @@
+<Biofeedback Training, connectedTo, Holistic Health Assessment>
+<Holistic Health Assessment, manages, Spiritual Exploration>
+<Longevity Planning, educates, Social Connection Enhancement>
+<Nature Connection, personalizes, Longevity Planning>
+<Personal Growth Planning, connectedTo, Work_Life Balance Coaching>
+<Social Connection Enhancement, connectedTo, Biofeedback Training>
+<Spiritual Exploration, connectedTo, Social Connection Enhancement>
+<Wellness Retreat Planning, advises, Personal Growth Planning>
+<Work_Life Balance Coaching, connectedTo, Longevity Planning>
+<Work_Life Balance Coaching, connectedTo, Nature Connection>
diff --git a/train/diagrams/easy/diagrams_683.dot b/train/diagrams/easy/diagrams_683.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5cced67e66bda4592ff3984313eefaacb8eb98cf
--- /dev/null
+++ b/train/diagrams/easy/diagrams_683.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Breathwork Exercises" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N1 [label="Journaling for Wellness" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N2 [label="Behavior Change Support" color="#DCE775" fillcolor="#F9FBE7" shape=inputoutput style=filled]
+	N3 [label="Immune System Support" color="#DCE775" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N4 [label="Financial Wellness Planning" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N5 [label="Acupuncture Consultation" color="#90A4AE" fillcolor="#ECEFF1" shape=rectangle style=filled]
+	N6 [label="Physical Activity Planning" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+	N7 [label="Massage Therapy" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="personalizes" dir=forward]
+	N1 -> N2 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="counsels" dir=forward]
+	N3 -> N4 [color="#F06292" penwidth=1.5 style=solid label="coaches" dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#90A4AE" penwidth=1.5 style=solid label="connects" dir=forward]
+	N4 -> N3 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_683.txt b/train/diagrams/easy/diagrams_683.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7816ebe809a73cfcd83ea84876956390894faccb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_683.txt
@@ -0,0 +1,8 @@
+<Acupuncture Consultation, connectedTo, Physical Activity Planning>
+<Behavior Change Support, counsels, Immune System Support>
+<Breathwork Exercises, personalizes, Journaling for Wellness>
+<Financial Wellness Planning, connectedTo, Immune System Support>
+<Financial Wellness Planning, tests, Acupuncture Consultation>
+<Immune System Support, coaches, Financial Wellness Planning>
+<Journaling for Wellness, connectedTo, Behavior Change Support>
+<Physical Activity Planning, connects, Massage Therapy>
diff --git a/train/diagrams/easy/diagrams_685.dot b/train/diagrams/easy/diagrams_685.dot
new file mode 100644
index 0000000000000000000000000000000000000000..603b470d3e8bb796f89ed956aaff8a0e6a1ff699
--- /dev/null
+++ b/train/diagrams/easy/diagrams_685.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Mindfulness Practice" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N1 [label="Gratitude Practice" color="#673AB7" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N2 [label="Resilience Building" color="#A1D7CD" fillcolor="#EDF5F3" shape=predefinedprocess style=filled]
+	N3 [label="Burnout Prevention" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N4 [label="Nature Connection" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N5 [label="Immune System Support" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N6 [label="Environmental Wellness" color="#673AB7" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N7 [label="Massage Therapy" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N8 [label="Biofeedback Training" color="#673AB7" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N9 [label="Social Connection Enhancement" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N10 [label="Behavior Change Support" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N0 -> N1 [color="#673AB7" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="reduces" dir=forward]
+	N2 -> N3 [color="#FFE69C" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=solid label="moves" dir=forward]
+	N5 -> N6 [color="#FFE69C" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N6 -> N7 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#A1D7CD" penwidth=1.5 style=solid label="audits" dir=forward]
+	N8 -> N9 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N9 [color="#FFE69C" penwidth=1.5 style=solid label="counsels" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_686.dot b/train/diagrams/easy/diagrams_686.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8b50d23216128ced3e7cd2e2a443f94d71be8da1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_686.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Aromatherapy Usage" color="#4DB6AC" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N1 [label="Chiropractic Care" color="#AED581" fillcolor="#F0F4C3" shape=action style=filled]
+	N2 [label="Resilience Building" color="#4DB6AC" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N3 [label="Community Wellness Programs" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N4 [label="Immune System Support" color="#4DB6AC" fillcolor="#E0F2F1" shape=database style=filled]
+	N5 [label="Positive Psychology Application" color="#FFF8A6" fillcolor="#FFFDE0" shape=rectangle style=filled]
+	N6 [label="Behavior Change Support" color="#AED581" fillcolor="#F0F4C3" shape=multipledocuments style=filled]
+	N7 [label="Personal Growth Planning" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N8 [label="Detox Programs" color="#4DB6AC" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N0 -> N1 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4DB6AC" penwidth=1.5 style=solid label="researches" dir=forward]
+	N2 -> N3 [color="#AED581" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N3 -> N4 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="motivates" dir=forward]
+	N7 -> N8 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N4 [color="#FFF8A6" penwidth=1.5 style=solid label="educates" dir=forward]
+	N7 -> N5 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_686.txt b/train/diagrams/easy/diagrams_686.txt
new file mode 100644
index 0000000000000000000000000000000000000000..98418785d1c9d10764a4dbfcd79335f3089c12af
--- /dev/null
+++ b/train/diagrams/easy/diagrams_686.txt
@@ -0,0 +1,10 @@
+<Aromatherapy Usage, connectedTo, Chiropractic Care>
+<Behavior Change Support, motivates, Personal Growth Planning>
+<Chiropractic Care, researches, Resilience Building>
+<Community Wellness Programs, connectedTo, Immune System Support>
+<Detox Programs, educates, Immune System Support>
+<Immune System Support, manages, Positive Psychology Application>
+<Personal Growth Planning, connectedTo, Detox Programs>
+<Personal Growth Planning, connectedTo, Positive Psychology Application>
+<Positive Psychology Application, connectedTo, Behavior Change Support>
+<Resilience Building, plans, Community Wellness Programs>
diff --git a/train/diagrams/easy/diagrams_689.dot b/train/diagrams/easy/diagrams_689.dot
new file mode 100644
index 0000000000000000000000000000000000000000..39ad32e8b37fd3ef4606afbafdc7fb768b29a2ae
--- /dev/null
+++ b/train/diagrams/easy/diagrams_689.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Textile and Fabric Selection" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N1 [label="Post_Occupancy Evaluation" color="#82DAFF" fillcolor="#C8EDFF" shape=predefinedprocess style=filled]
+	N2 [label="Smart Home Technology Integration" color="#4CAF50" fillcolor="#C8E6C9" shape=rect style=filled]
+	N3 [label="Commercial Interior Design" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N4 [label="Hospitality Interior Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=inputoutput style=filled]
+	N5 [label="Living Room Design" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N6 [label="Contractor Coordination" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N7 [label="Office Space Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N8 [label="Furniture Selection" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N9 [label="Site Measurement" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N0 -> N1 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=solid label="spaces" dir=forward]
+	N2 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed label="materials" dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="supervises" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=dashed label="furnishes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="textures" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_69.txt b/train/diagrams/easy/diagrams_69.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5fe5a6c45598e2e6697ece39feb0c6eeba33c0bc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_69.txt
@@ -0,0 +1,8 @@
+<Air Cargo Handling, connectedTo, Pickup Request>
+<Damage Reporting, communicates, Packing Process>
+<Delay Notification, connectedTo, Last_mile Dispatch>
+<Invoice Matching, connectedTo, Carrier Selection>
+<Invoice Matching, sorts, Air Cargo Handling>
+<Last_mile Dispatch, syncs, Damage Reporting>
+<Packing Process, analyzes, Invoice Matching>
+<Pickup Request, forecasts, Delay Notification>
diff --git a/train/diagrams/easy/diagrams_694.dot b/train/diagrams/easy/diagrams_694.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ff974f9dee19fe6e11d0f95bf73cbe5080d9402c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_694.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Hospitality Interior Design" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N1 [label="Commercial Interior Design" color="#82DAFF" fillcolor="#C8EDFF" shape=rect style=filled]
+	N2 [label="Mood Board Creation" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N3 [label="3D Rendering" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N4 [label="Installation Supervision" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N5 [label="Site Measurement" color="#81C784" fillcolor="#F1F8E9" shape=rect style=filled]
+	N6 [label="Project Management" color="#7E57C2" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N7 [label="Wall Treatment Selection" color="#82DAFF" fillcolor="#C8EDFF" shape=rectangle style=filled]
+	N8 [label="Ergonomics Integration" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N9 [label="Flooring Specification" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N10 [label="Concept Development" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=solid label="complies" dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=solid label="styles" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N5 -> N6 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="photographs" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N6 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N5 [color="#000000" penwidth=1.5 style=solid label="decorates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_696.dot b/train/diagrams/easy/diagrams_696.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a09a1e2651d48b86963a69684405f7f38df0cd25
--- /dev/null
+++ b/train/diagrams/easy/diagrams_696.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Construction Documentation" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N1 [label="Flooring Specification" color="#A2D0FF" fillcolor="#E8F0FF" shape=multipledocuments style=filled]
+	N2 [label="Ergonomics Integration" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N3 [label="CAD Drafting" color="#4DB6AC" fillcolor="#E0F2F1" shape=database style=filled]
+	N4 [label="Site Measurement" color="#A2D0FF" fillcolor="#E8F0FF" shape=multipledocuments style=filled]
+	N5 [label="Acoustic Treatment" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N6 [label="Textile and Fabric Selection" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N7 [label="Installation Supervision" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+	N8 [label="Custom Furniture Design" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N9 [label="Lighting Design" color="#4DB6AC" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N10 [label="3D Rendering" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A2D0FF" penwidth=1.5 style=dashed label="customizes" dir=forward]
+	N2 -> N3 [color="#4DB6AC" penwidth=1.5 style=solid label="markets" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#A2D0FF" penwidth=1.5 style=solid label="transforms" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=dashed label="showcases" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="spaces" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="photographs" dir=forward]
+	N7 -> N5 [color="#6EB76D" penwidth=1.5 style=dashed label="selects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_696.txt b/train/diagrams/easy/diagrams_696.txt
new file mode 100644
index 0000000000000000000000000000000000000000..56e07e6a2b3e3a5c7769365927c70ac0c1aded0d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_696.txt
@@ -0,0 +1,11 @@
+<Acoustic Treatment, showcases, Textile and Fabric Selection>
+<CAD Drafting, connectedTo, Site Measurement>
+<Construction Documentation, connectedTo, Flooring Specification>
+<Custom Furniture Design, spaces, Lighting Design>
+<Ergonomics Integration, markets, CAD Drafting>
+<Flooring Specification, customizes, Ergonomics Integration>
+<Installation Supervision, connectedTo, Custom Furniture Design>
+<Installation Supervision, selects, Acoustic Treatment>
+<Lighting Design, photographs, 3D Rendering>
+<Site Measurement, transforms, Acoustic Treatment>
+<Textile and Fabric Selection, connectedTo, Installation Supervision>
diff --git a/train/diagrams/easy/diagrams_697.dot b/train/diagrams/easy/diagrams_697.dot
new file mode 100644
index 0000000000000000000000000000000000000000..22112e590c7dfe390304853fff76fffb532b043a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_697.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Multimodal Translation" color="#795548" fillcolor="#D7CCC8" shape=rect style=filled]
+	N1 [label="Emotion Detection in Speech" color="#388E3C" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N2 [label="Neural Machine Translation" color="#FFF9AE" fillcolor="#FFFCE6" shape=predefinedprocess style=filled]
+	N3 [label="Meeting Translation Systems" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N4 [label="Machine Translation Engine" color="#795548" fillcolor="#D7CCC8" shape=action style=filled]
+	N5 [label="Accent Adaptation" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N6 [label="Dialect Recognition" color="#795548" fillcolor="#D7CCC8" shape=rect style=filled]
+	N7 [label="Tone Recognition" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N8 [label="API Integration for Translation Services" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N9 [label="Language Detection" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=solid label="supports" dir=forward]
+	N1 -> N2 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFF9AE" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=solid label="develops" dir=forward]
+	N7 -> N8 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="personalizes" dir=forward]
+	N8 -> N2 [color="#000000" penwidth=1.5 style=dashed label="pronounces" dir=forward]
+	N9 -> N4 [color="#FFF9AE" penwidth=1.5 style=solid label="automates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_697.txt b/train/diagrams/easy/diagrams_697.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5c3e2cb3cb361237f426a17dc1fc9ff0f6501aa
--- /dev/null
+++ b/train/diagrams/easy/diagrams_697.txt
@@ -0,0 +1,11 @@
+<API Integration for Translation Services, personalizes, Language Detection>
+<API Integration for Translation Services, pronounces, Neural Machine Translation>
+<Accent Adaptation, integrates, Dialect Recognition>
+<Dialect Recognition, develops, Tone Recognition>
+<Emotion Detection in Speech, connectedTo, Neural Machine Translation>
+<Language Detection, automates, Machine Translation Engine>
+<Machine Translation Engine, connectedTo, Accent Adaptation>
+<Meeting Translation Systems, connectedTo, Machine Translation Engine>
+<Multimodal Translation, supports, Emotion Detection in Speech>
+<Neural Machine Translation, connectedTo, Meeting Translation Systems>
+<Tone Recognition, connectedTo, API Integration for Translation Services>
diff --git a/train/diagrams/easy/diagrams_698.txt b/train/diagrams/easy/diagrams_698.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17fe4efb12de7e65402f63560ddad45aaa394cf3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_698.txt
@@ -0,0 +1,10 @@
+<API Integration for Translation Services, connectedTo, Contextual Understanding>
+<API Integration for Translation Services, secures, Custom Vocabulary Integration>
+<Contextual Understanding, adapts, Text_to_Speech Synthesis>
+<Custom Vocabulary Integration, connectedTo, Technical Manual Translation>
+<Custom Vocabulary Integration, outputs, Meeting Translation Systems>
+<Glossary Management, connectedTo, Subtitling Generation>
+<Meeting Translation Systems, tests, Speaker Diarization>
+<Speaker Diarization, deploys, Glossary Management>
+<Technical Manual Translation, connectedTo, Contextual Understanding>
+<Text_to_Speech Synthesis, connectedTo, Meeting Translation Systems>
diff --git a/train/diagrams/easy/diagrams_702.txt b/train/diagrams/easy/diagrams_702.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3b3c1bfe93bcd8cf33833d84c2baaee874793dbc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_702.txt
@@ -0,0 +1,11 @@
+<Custom Vocabulary Integration, adapts, Multimodal Translation>
+<Customer Support Translation, connectedTo, Real_Time Captioning>
+<Domain_Specific Translation Models, interprets, Custom Vocabulary Integration>
+<Multimodal Translation, understands, Customer Support Translation>
+<Noise Reduction for Speech Input, researches, Speech Recognition>
+<Real_Time Captioning, connectedTo, Text_to_Speech Synthesis>
+<Real_Time Captioning, pronounces, Social Media Translation>
+<Real_Time Captioning, tests, Noise Reduction for Speech Input>
+<Social Media Translation, connectedTo, Domain_Specific Translation Models>
+<Speech Recognition, connectedTo, Social Media Translation>
+<Text_to_Speech Synthesis, processes, Tone Recognition>
diff --git a/train/diagrams/easy/diagrams_704.txt b/train/diagrams/easy/diagrams_704.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4ef062c7378c0f0acffddb5452ea9edff0a16bb9
--- /dev/null
+++ b/train/diagrams/easy/diagrams_704.txt
@@ -0,0 +1,9 @@
+<Continuous Learning Models for Translation, translates, Real_Time Captioning>
+<Low_Latency Processing, connectedTo, Simultaneous Interpretation>
+<Multimodal Translation, monitors, Neural Machine Translation>
+<Neural Machine Translation, captures, Offline Translation Capabilities>
+<Offline Translation Capabilities, tests, Statistical Machine Translation>
+<Simultaneous Interpretation, connectedTo, Real_Time Captioning>
+<Simultaneous Interpretation, connects, Continuous Learning Models for Translation>
+<Statistical Machine Translation, connectedTo, Multimodal Translation>
+<Statistical Machine Translation, personalizes, Low_Latency Processing>
diff --git a/train/diagrams/easy/diagrams_706.txt b/train/diagrams/easy/diagrams_706.txt
new file mode 100644
index 0000000000000000000000000000000000000000..714d800b4dd66248c76fa0b520ed1a1a45188a46
--- /dev/null
+++ b/train/diagrams/easy/diagrams_706.txt
@@ -0,0 +1,11 @@
+<3D Modeling from Drone Data, navigates, Communication Systems>
+<Aerial Photography, connectedTo, Counter_Drone Systems>
+<Aerial Photography, educates, 3D Modeling from Drone Data>
+<Collision Avoidance Systems, collects, Inspection>
+<Communication Systems, trains, Videography>
+<Counter_Drone Systems, upgrades, Flight Control System>
+<Flight Control System, connectedTo, Payload Customization>
+<Inspection, connectedTo, Aerial Photography>
+<Payload Customization, tests, Flight Control System>
+<Remote Piloting Training, connectedTo, Collision Avoidance Systems>
+<Videography, controls, Counter_Drone Systems>
diff --git a/train/diagrams/easy/diagrams_709.dot b/train/diagrams/easy/diagrams_709.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b7f5145b0c28f3a283416c4316d39d24e064819a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_709.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="3D Modeling from Drone Data" color="#D3EB9F" fillcolor="#F8FDD3" shape=action style=filled]
+	N1 [label="Propeller Design" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N2 [label="Navigation System" color="#4285F4" fillcolor="#D0E0F8" shape=parallelogram style=filled]
+	N3 [label="Data Processing from Drones" color="#D3EB9F" fillcolor="#F8FDD3" shape=rectangle style=filled]
+	N4 [label="Collision Avoidance Systems" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N5 [label="Urban Air Mobility Planning" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N6 [label="Payload Customization" color="#A2D0FF" fillcolor="#E8F0FF" shape=inputoutput style=filled]
+	N7 [label="Drone Delivery Logistics" color="#4285F4" fillcolor="#D0E0F8" shape=action style=filled]
+	N8 [label="Precision Agriculture" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N9 [label="Search and Rescue Operations" color="#4285F4" fillcolor="#D0E0F8" shape=action style=filled]
+	N10 [label="Swarm Robotics for Drones" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N1 -> N2 [color="#D3EB9F" penwidth=1.5 style=dashed label="permits" dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#D3EB9F" penwidth=1.5 style=solid label="designs" dir=forward]
+	N5 -> N6 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A2D0FF" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N7 -> N8 [color="#4285F4" penwidth=1.5 style=solid label="applies" dir=forward]
+	N8 -> N9 [color="#A2D0FF" penwidth=1.5 style=solid label="tests" dir=forward]
+	N9 -> N10 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N9 -> N0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_71.dot b/train/diagrams/easy/diagrams_71.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d3fd15987f18f45e786a834cd974da2f750e4d6b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_71.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Yard Management" color="#FFB74D" fillcolor="#FFF3E0" shape=rect style=filled]
+	N1 [label="Vehicle Loading" color="#FFB74D" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N2 [label="Warehouse Entry" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N3 [label="Packing Process" color="#FFA726" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N4 [label="Carrier Selection" color="#AED581" fillcolor="#F0F4C3" shape=vnode_shape style=filled]
+	N5 [label="Container Loading" color="#FFA726" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N6 [label="Last_mile Dispatch" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N7 [label="Hazardous Material Transport" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N8 [label="Cold Chain Management" color="#AED581" fillcolor="#F0F4C3" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#AED581" penwidth=1.5 style=dashed label="syncs" dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed label="routes" dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="dispatches" dir=forward]
+	N8 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N2 [color="#FFA726" penwidth=1.5 style=solid label="measures" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_710.txt b/train/diagrams/easy/diagrams_710.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7854b08820ddb79b0ec848934f38ef44e765a9a0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_710.txt
@@ -0,0 +1,8 @@
+<Battery Management System, connectedTo, Data Processing from Drones>
+<Data Processing from Drones, simulates, Propeller Design>
+<Drone Maintenance, connectedTo, Flight Planning Software>
+<Drone Maintenance, visualizes, Sensor Integration>
+<Propeller Design, connectedTo, Sensor Integration>
+<Security Surveillance, connectedTo, Drone Maintenance>
+<Sensor Integration, connectedTo, Security Surveillance>
+<Thermal Imaging with Drones, sprays, Battery Management System>
diff --git a/train/diagrams/easy/diagrams_711.txt b/train/diagrams/easy/diagrams_711.txt
new file mode 100644
index 0000000000000000000000000000000000000000..89b7a374980d934f8642e07de57dec9aa1cb20ef
--- /dev/null
+++ b/train/diagrams/easy/diagrams_711.txt
@@ -0,0 +1,9 @@
+<Autonomous Flight, connectedTo, Drone Maintenance>
+<Drone Maintenance, inspects, Urban Air Mobility Planning>
+<Drone Regulations Compliance, connectedTo, Videography>
+<Endurance Optimization, flies, Drone Regulations Compliance>
+<Flight Planning Software, connectedTo, Autonomous Flight>
+<Sensor Integration, connectedTo, Flight Planning Software>
+<Sensor Integration, visualizes, Drone Design>
+<Urban Air Mobility Planning, maps, Endurance Optimization>
+<Videography, builds, Sensor Integration>
diff --git a/train/diagrams/easy/diagrams_714.txt b/train/diagrams/easy/diagrams_714.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d27ea4f2eb5d99f491a1fb56c4c82460ea8973a0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_714.txt
@@ -0,0 +1,12 @@
+<Accident Reconstruction for AVs, connectedTo, Human_Machine Interface>
+<Battery Management for EVs, connectedTo, Over_the_Air Updates>
+<Driver Monitoring Systems, connectedTo, Battery Management for EVs>
+<Insurance Models for AVs, transports, Pedestrian Detection>
+<Lane Keeping Assist, connectedTo, Accident Reconstruction for AVs>
+<Over_the_Air Updates, alerts, Remote Operation Capability>
+<Over_the_Air Updates, connectedTo, Simulation and Testing>
+<Path Planning, connectedTo, Insurance Models for AVs>
+<Pedestrian Detection, connectedTo, Lane Keeping Assist>
+<Remote Operation Capability, recognizes, Simulation and Testing>
+<Simulation and Testing, navigates, Path Planning>
+<Simulation and Testing, responds, Pedestrian Detection>
diff --git a/train/diagrams/easy/diagrams_715.dot b/train/diagrams/easy/diagrams_715.dot
new file mode 100644
index 0000000000000000000000000000000000000000..97ad1e0582e60ec0e88ccb5f41cadc6ab7c96317
--- /dev/null
+++ b/train/diagrams/easy/diagrams_715.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Object Detection and Classification" color="#D3EB9F" fillcolor="#F8FDD3" shape=vnode_shape style=filled]
+	N1 [label="Vehicle_to_Vehicle Communication" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+	N2 [label="Over_the_Air Updates" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N3 [label="Motion Control" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+	N4 [label="Sensor Integration" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	N5 [label="Human_Machine Interface" color="#D3EB9F" fillcolor="#F8FDD3" shape=inputoutput style=filled]
+	N6 [label="Automatic Emergency Braking" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N7 [label="Redundancy in Sensors" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	N8 [label="Map Data Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#AF56A6" penwidth=1.5 style=dashed label="responds" dir=forward]
+	N2 -> N3 [color="#D3EB9F" penwidth=1.5 style=dashed label="charges" dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N4 -> N5 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N7 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_716.txt b/train/diagrams/easy/diagrams_716.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7de775f4054b9b4051c8be47df6a2929bfc95104
--- /dev/null
+++ b/train/diagrams/easy/diagrams_716.txt
@@ -0,0 +1,9 @@
+<Adaptive Cruise Control, warns, Vehicle Diagnostics>
+<Automatic Emergency Braking, connectedTo, Fail_Safe Systems>
+<Battery Management for EVs, manufactures, Over_the_Air Updates>
+<Fail_Safe Systems, integrates, Adaptive Cruise Control>
+<Over_the_Air Updates, connectedTo, Motion Control>
+<Redundancy in Sensors, certifies, Automatic Emergency Braking>
+<Simulation Environment Development, connectedTo, Battery Management for EVs>
+<Simulation Environment Development, routes, Fail_Safe Systems>
+<Vehicle Diagnostics, connectedTo, Simulation Environment Development>
diff --git a/train/diagrams/easy/diagrams_717.dot b/train/diagrams/easy/diagrams_717.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b2d4f63840adb74a9fba8ee2c68fa5a5bc68b91
--- /dev/null
+++ b/train/diagrams/easy/diagrams_717.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Simulation Environment Development" color="#CB9BE1" fillcolor="#F2E6F5" shape=diamond style=filled]
+	N1 [label="Charging Infrastructure" color="#FFC107" fillcolor="#FFECB3" shape=action style=filled]
+	N2 [label="Edge Computing for AVs" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N3 [label="Simulation and Testing" color="#CB9BE1" fillcolor="#F2E6F5" shape=action style=filled]
+	N4 [label="Ethical Decision_Making" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N5 [label="Human_Machine Interface" color="#CB9BE1" fillcolor="#F2E6F5" shape=database style=filled]
+	N6 [label="Public Acceptance and Trust" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N7 [label="Hardware Design" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N8 [label="Remote Operation Capability" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFE470" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N1 -> N2 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#CB9BE1" penwidth=1.5 style=dashed label="navigates" dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=solid label="parks" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N8 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_719.dot b/train/diagrams/easy/diagrams_719.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3dc25c247cf6b17c0fd33462ece8fc8f8116154f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_719.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Automatic Emergency Braking" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N1 [label="Adaptive Cruise Control" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N2 [label="Parking Assistance Systems" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N3 [label="Vehicle_to_Vehicle Communication" color="#90A4AE" fillcolor="#ECEFF1" shape=rectangle style=filled]
+	N4 [label="Over_the_Air Updates" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N5 [label="Charging Infrastructure" color="#388E3C" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N6 [label="Data Collection and Annotation" color="#388E3C" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N7 [label="Fleet Management" color="#388E3C" fillcolor="#C8E6C9" shape=inputoutput style=filled]
+	N8 [label="Remote Operation Capability" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N0 -> N1 [color="#90A4AE" penwidth=1.5 style=solid label="senses" dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N3 -> N4 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N3 -> N1 [color="#000000" penwidth=1.5 style=solid label="responds" dir=forward]
+	N1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_719.txt b/train/diagrams/easy/diagrams_719.txt
new file mode 100644
index 0000000000000000000000000000000000000000..129d9707b4efa351d514a994332aa4c12784a02b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_719.txt
@@ -0,0 +1,10 @@
+<Adaptive Cruise Control, connectedTo, Fleet Management>
+<Adaptive Cruise Control, connectedTo, Parking Assistance Systems>
+<Automatic Emergency Braking, senses, Adaptive Cruise Control>
+<Charging Infrastructure, connectedTo, Data Collection and Annotation>
+<Data Collection and Annotation, connectedTo, Fleet Management>
+<Fleet Management, detects, Remote Operation Capability>
+<Over_the_Air Updates, diagnoses, Charging Infrastructure>
+<Parking Assistance Systems, integrates, Vehicle_to_Vehicle Communication>
+<Vehicle_to_Vehicle Communication, connectedTo, Over_the_Air Updates>
+<Vehicle_to_Vehicle Communication, responds, Adaptive Cruise Control>
diff --git a/train/diagrams/easy/diagrams_721.dot b/train/diagrams/easy/diagrams_721.dot
new file mode 100644
index 0000000000000000000000000000000000000000..19630e3f8f202cfdc62fc99e098269b7c367fb31
--- /dev/null
+++ b/train/diagrams/easy/diagrams_721.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Sustainability Initiatives" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N1 [label="Ticketing and Fare Collection" color="#388E3C" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N2 [label="Passenger Safety Protocols" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	N3 [label="Maintenance Scheduling" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N4 [label="Route Optimization" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N5 [label="Geofencing for Operations" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N6 [label="Data Analytics for Usage Patterns" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N7 [label="Smart City Integration" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	N8 [label="Demand Prediction" color="#00BCD4" fillcolor="#E0F7FA" shape=preparation style=filled]
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=solid label="markets" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=dashed label="models" dir=forward]
+	N3 -> N1 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N2 -> N4 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_723.txt b/train/diagrams/easy/diagrams_723.txt
new file mode 100644
index 0000000000000000000000000000000000000000..35cf82631ef388691a6628f5e7380f6802b332f8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_723.txt
@@ -0,0 +1,11 @@
+<Autonomous Shared Vehicles, connectedTo, Fleet Management>
+<Carbon Emission Tracking, optimizes, Vehicle Booking>
+<First_Mile or Last_Mile Solutions, analyzes, Fleet Management>
+<First_Mile or Last_Mile Solutions, locates, Vehicle Rebalancing>
+<Fleet Management, registers, Carbon Emission Tracking>
+<Micro_mobility Management, connectedTo, User Rating and Feedback Systems>
+<Policy Advocacy for Shared Mobility, connectedTo, User Onboarding>
+<User Rating and Feedback Systems, books, Autonomous Shared Vehicles>
+<Vehicle Booking, connectedTo, First_Mile or Last_Mile Solutions>
+<Vehicle Location Tracking, connectedTo, Micro_mobility Management>
+<Vehicle Rebalancing, connectedTo, Policy Advocacy for Shared Mobility>
diff --git a/train/diagrams/easy/diagrams_724.dot b/train/diagrams/easy/diagrams_724.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5cf721cf8ee36dbeb351f6ace7aafe997b8fb03e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_724.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Car_sharing Services" color="#673AB7" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N1 [label="Dynamic Pricing" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N2 [label="Public_Private Partnerships" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+	N3 [label="Public Transit Integration" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N4 [label="Ticketing and Fare Collection" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N5 [label="User Rating and Feedback Systems" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N6 [label="Route Optimization" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N7 [label="Subscription Model Management" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N8 [label="Maintenance Scheduling" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N9 [label="Vehicle Rebalancing" color="#673AB7" fillcolor="#D1C4E9" shape=action style=filled]
+	N10 [label="Vehicle Booking" color="#E57373" fillcolor="#FFEBEE" shape=document style=filled]
+	N11 [label="Charging or Refueling Logistics" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="insures" dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=solid label="markets" dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="educates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=solid label="cleans" dir=forward]
+	N8 -> N9 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#673AB7" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N9 -> N8 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N6 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_727.dot b/train/diagrams/easy/diagrams_727.dot
new file mode 100644
index 0000000000000000000000000000000000000000..744a29769ea46ad11d886b46b956fd2a9193d244
--- /dev/null
+++ b/train/diagrams/easy/diagrams_727.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Accessibility for Users" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N1 [label="Data Analytics for Usage Patterns" color="#FFF176" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N2 [label="Bike_sharing Services" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N3 [label="Demand Prediction" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N4 [label="Scooter_sharing Services" color="#FFF176" fillcolor="#FFFDE7" shape=rect style=filled]
+	N5 [label="Geofencing for Operations" color="#FFF176" fillcolor="#FFFDE7" shape=rect style=filled]
+	N6 [label="Public Transit Integration" color="#FF8A65" fillcolor="#FBE9E7" shape=multipledocuments style=filled]
+	N7 [label="Smart City Integration" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N0 -> N1 [color="#4CAF50" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N1 -> N2 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=dashed label="promotes" dir=forward]
+	N3 -> N4 [color="#4CAF50" penwidth=1.5 style=solid label="responds" dir=forward]
+	N4 -> N5 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFF176" penwidth=1.5 style=dashed label="rates" dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=solid label="pays" dir=forward]
+	N3 -> N0 [color="#000000" penwidth=1.5 style=solid label="supports" dir=forward]
+	N5 -> N0 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_73.dot b/train/diagrams/easy/diagrams_73.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e9df54be03b04190af147f8c7c3d9d37e040bb3c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_73.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Service Complaint" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N1 [label="Base Station Installation" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N2 [label="Broadband Provisioning" color="#FFF176" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N3 [label="Video Conferencing" color="#CB9BE1" fillcolor="#F2E6F5" shape=database style=filled]
+	N4 [label="SIM Registration" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+	N5 [label="Plan Suspension" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N6 [label="Roaming Activation" color="#C0CA33" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N7 [label="Network Upgrade" color="#FFF176" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N8 [label="Number Porting" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=dashed label="records" dir=forward]
+	N1 -> N2 [color="#C0CA33" penwidth=1.5 style=solid label="selects" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="troubleshoots" dir=forward]
+	N5 -> N7 [color="#FFF176" penwidth=1.5 style=dashed label="connects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_732.txt b/train/diagrams/easy/diagrams_732.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a88c6671aca6fb7de08f9e24159c2a9d0d24fd0
--- /dev/null
+++ b/train/diagrams/easy/diagrams_732.txt
@@ -0,0 +1,13 @@
+<Access Control Systems, secures, Integration with Navigation Apps>
+<Automated Payment, connectedTo, Access Control Systems>
+<Barrier Gate Control, informs, Emergency Vehicle Access Management>
+<Billing and Reconciliation, forecasts, Mobile Parking Apps>
+<Data Analytics for Parking Usage, develops, Violation Detection>
+<Data Analytics for Parking Usage, upgrades, Intelligent Traffic Management Interaction>
+<Electric Vehicle Charging Integration, connectedTo, Data Analytics for Parking Usage>
+<Emergency Vehicle Access Management, controls, Automated Payment>
+<Integration with Navigation Apps, communicates, Billing and Reconciliation>
+<Intelligent Traffic Management Interaction, connectedTo, Electric Vehicle Charging Integration>
+<Mobile Parking Apps, connectedTo, Barrier Gate Control>
+<Mobile Parking Apps, optimizes, Real_Time Information Display>
+<Violation Detection, integrates, Barrier Gate Control>
diff --git a/train/diagrams/easy/diagrams_733.dot b/train/diagrams/easy/diagrams_733.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5511f2abbba4c18bc4c4e949769c7c6e9ba1237b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_733.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Real_Time Information Display" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N1 [label="Smart City Integration for Parking" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N2 [label="Automated Parking Garages" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	N3 [label="Emergency Vehicle Access Management" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N4 [label="Fleet Parking Solutions" color="#B0C5CD" fillcolor="#DFE7EB" shape=rectangle style=filled]
+	N5 [label="On_Street Parking Management" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N6 [label="Violation Detection" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	N7 [label="Smart Parking Meters" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFE470" penwidth=1.5 style=solid label="reserves" dir=forward]
+	N1 -> N2 [color="#FFE470" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="validates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="installs" dir=forward]
+	N4 -> N5 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N3 -> N2 [color="#000000" penwidth=1.5 style=solid label="alerts" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_74.dot b/train/diagrams/easy/diagrams_74.dot
new file mode 100644
index 0000000000000000000000000000000000000000..85fba0142ea239378ee04eb3a8fc3fd16165018f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_74.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Customer Support" color="#FFA726" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N1 [label="MMS Transmission" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N2 [label="SIM Registration" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N3 [label="Issue Resolution" color="#9575CD" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N4 [label="Roaming Activation" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label="Contract Termination" color="#FFA726" fillcolor="#FFF3E0" shape=action style=filled]
+	N6 [label="Plan Suspension" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N7 [label="IoT Device Connection" color="#94C0C0" fillcolor="#CADEDE" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="renews" dir=forward]
+	N3 -> N4 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N5 -> N6 [color="#FFA726" penwidth=1.5 style=solid label="complains" dir=forward]
+	N6 -> N7 [color="#94C0C0" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N1 -> N6 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_740.dot b/train/diagrams/easy/diagrams_740.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4cb08639f146fd315f66fb48939f6fa218a4caa2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_740.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Seat Mapping" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N1 [label="Museum Ticketing" color="#CD8FF2" fillcolor="#ECCFF5" shape=rect style=filled]
+	N2 [label="Queue Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N3 [label="Airline Ticketing" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N4 [label="Pricing Configuration" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N5 [label="Ticket Sales" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N6 [label="Theme Park Ticketing" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N7 [label="Festival Ticketing" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N8 [label="Fraud Prevention" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="discounts" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="processes" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed label="redeems" dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N8 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_745.dot b/train/diagrams/easy/diagrams_745.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ef48fca86e12e15680f9d3df48fc0adc45df3ee
--- /dev/null
+++ b/train/diagrams/easy/diagrams_745.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Undue Influence Prevention" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N1 [label="Direct Recording Electronic Systems" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N2 [label="Touchscreen Voting Machines" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N3 [label="Accessibility Features" color="#E57373" fillcolor="#FFEBEE" shape=vnode_shape style=filled]
+	N4 [label="Election Official Training" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label="System Certification" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N6 [label="Software Integrity Checks" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N7 [label="Zero_Knowledge Proofs for Privacy" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+	N8 [label="Legal Framework Compliance" color="#E57373" fillcolor="#FFEBEE" shape=vnode_shape style=filled]
+	N9 [label="Biometric Voter ID" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="authenticates" dir=forward]
+	N1 -> N2 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N3 -> N4 [color="#E57373" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=solid label="develops" dir=forward]
+	N8 -> N9 [color="#FBC02D" penwidth=1.5 style=dashed label="casts" dir=forward]
+	N9 -> N1 [color="#FBC02D" penwidth=1.5 style=solid label="alerts" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_745.txt b/train/diagrams/easy/diagrams_745.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b6ab08a621a39eea2cb7a857600d7c65c45f6928
--- /dev/null
+++ b/train/diagrams/easy/diagrams_745.txt
@@ -0,0 +1,10 @@
+<Accessibility Features, regulates, Election Official Training>
+<Biometric Voter ID, alerts, Direct Recording Electronic Systems>
+<Direct Recording Electronic Systems, connectedTo, Touchscreen Voting Machines>
+<Election Official Training, connectedTo, System Certification>
+<Legal Framework Compliance, casts, Biometric Voter ID>
+<Software Integrity Checks, connectedTo, Zero_Knowledge Proofs for Privacy>
+<System Certification, connectedTo, Software Integrity Checks>
+<Touchscreen Voting Machines, monitors, Accessibility Features>
+<Undue Influence Prevention, authenticates, Direct Recording Electronic Systems>
+<Zero_Knowledge Proofs for Privacy, develops, Legal Framework Compliance>
diff --git a/train/diagrams/easy/diagrams_746.dot b/train/diagrams/easy/diagrams_746.dot
new file mode 100644
index 0000000000000000000000000000000000000000..43268993ce9eee14a41618a510b049114745b2d6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_746.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Voter Registration" color="#6EB76D" fillcolor="#E9F7E8" shape=document style=filled]
+	N1 [label="Legal Framework Compliance" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+	N2 [label="Public Trust Building" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N3 [label="Direct Recording Electronic Systems" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+	N4 [label="Voter Privacy Protection" color="#6EB76D" fillcolor="#E9F7E8" shape=preparation style=filled]
+	N5 [label="Auditability" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N6 [label="Biometric Voter ID" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N7 [label="Voting Machine Design" color="#73C6BC" fillcolor="#D0EFEE" shape=document style=filled]
+	N8 [label="Transparency" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N9 [label="Ballot Creation" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed label="decrypts" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=solid label="detects" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#73C6BC" penwidth=1.5 style=dashed label="resists" dir=forward]
+	N5 -> N0 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N7 -> N4 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_747.dot b/train/diagrams/easy/diagrams_747.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c9718c21bed2cb870ac8e6aba1d2ce6d2917f807
--- /dev/null
+++ b/train/diagrams/easy/diagrams_747.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Blockchain for Voting" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N1 [label="Voter Authentication" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N2 [label="Voting Machine Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=database style=filled]
+	N3 [label="Threat Modeling" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N4 [label="Results Aggregation" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N5 [label="Voter Registration" color="#4DD0E1" fillcolor="#C9F0F0" shape=inputoutput style=filled]
+	N6 [label="System Certification" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N7 [label="Auditability" color="#4DD0E1" fillcolor="#C9F0F0" shape=preparation style=filled]
+	N8 [label="Risk Management for Elections" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N9 [label="Hardware Tamper Detection" color="#4DD0E1" fillcolor="#C9F0F0" shape=diamond style=filled]
+	N10 [label="Vote Counting" color="#F44336" fillcolor="#FFCDD2" shape=multipledocuments style=filled]
+	N11 [label="Online Voting Systems" color="#4DD0E1" fillcolor="#C9F0F0" shape=preparation style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=solid label="resists" dir=forward]
+	N5 -> N6 [color="#FFB74D" penwidth=1.5 style=dashed label="recovers" dir=forward]
+	N6 -> N7 [color="#F44336" penwidth=1.5 style=dashed label="ensures" dir=forward]
+	N7 -> N8 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#F44336" penwidth=1.5 style=solid label="casts" dir=forward]
+	N9 -> N10 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N1 [color="#000000" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N8 -> N0 [color="#F44336" penwidth=1.5 style=solid label="prevents" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_75.dot b/train/diagrams/easy/diagrams_75.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eb4907108fef8bff4dc497bd76e10b25a847178c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_75.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Fraudulent Call Blocking" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N1 [label="Billing Inquiry" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N2 [label="Base Station Installation" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N3 [label="Technical Support Escalation" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N4 [label="Roaming Activation" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N5 [label="Issue Resolution" color="#90A4AE" fillcolor="#ECEFF1" shape=multipledocuments style=filled]
+	N6 [label="Customer Support" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N7 [label="Troubleshooting Guide" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N8 [label="Call Recording" color="#A188D0" fillcolor="#DACBE3" shape=inputoutput style=filled]
+	N9 [label="Service Level Agreement" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N10 [label="Fiber Optic Deployment" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N11 [label="IoT Device Connection" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="renews" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#A188D0" penwidth=1.5 style=dashed label="suspends" dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=dashed label="generates" dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=solid label="registers" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="troubleshoots" dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=dashed label="activates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#F44336" penwidth=1.5 style=solid label="authorizes" dir=forward]
+	N10 -> N11 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N10 [color="#90A4AE" penwidth=1.5 style=dashed label="alerts" dir=forward]
+	N0 -> N3 [color="#F44336" penwidth=1.5 style=dashed label="pays" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_751.txt b/train/diagrams/easy/diagrams_751.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55c9489393aecfbc0a3d761a5cb5d6f03a776360
--- /dev/null
+++ b/train/diagrams/easy/diagrams_751.txt
@@ -0,0 +1,9 @@
+<Biometric Voter ID, recovers, Remote Voting Solutions>
+<Direct Recording Electronic Systems, connectedTo, Public Trust Building>
+<Direct Recording Electronic Systems, connectedTo, Threat Modeling>
+<Direct Recording Electronic Systems, registers, Voter Privacy Protection>
+<Post_Election Audits, protects, Direct Recording Electronic Systems>
+<Public Trust Building, connectedTo, Voter Privacy Protection>
+<Remote Voting Solutions, connectedTo, Post_Election Audits>
+<Software Integrity Checks, verifies, Biometric Voter ID>
+<Threat Modeling, connectedTo, Software Integrity Checks>
diff --git a/train/diagrams/easy/diagrams_760.txt b/train/diagrams/easy/diagrams_760.txt
new file mode 100644
index 0000000000000000000000000000000000000000..25ddcefc52cf934cc9d4196fd57b8e53ff4b3720
--- /dev/null
+++ b/train/diagrams/easy/diagrams_760.txt
@@ -0,0 +1,10 @@
+<Advocacy Strategy, consults, Ethical Considerations>
+<Ethical Considerations, connectedTo, Policy Evaluation>
+<Ethical Considerations, solutions, Option Generation>
+<Feasibility Study, audits, Presentation Skills>
+<Monitoring and Evaluation Framework, connectedTo, Policy Evaluation>
+<Option Generation, connectedTo, Public Consultation Process>
+<Policy Evaluation, communicates, Ethical Considerations>
+<Presentation Skills, connectedTo, Monitoring and Evaluation Framework>
+<Public Consultation Process, advocates, Stakeholder Analysis>
+<Stakeholder Analysis, connectedTo, Feasibility Study>
diff --git a/train/diagrams/easy/diagrams_761.dot b/train/diagrams/easy/diagrams_761.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a83ec7bb0f0b4cb93c7513d6ecade63dd0a4f868
--- /dev/null
+++ b/train/diagrams/easy/diagrams_761.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Academic Mentorship" color="#FFEB3B" fillcolor="#FFF9C4" shape=inputoutput style=filled]
+	N1 [label="Power Analysis" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+	N2 [label="Grant Proposal Writing" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N3 [label="Qualitative Analysis" color="#9575CD" fillcolor="#EDE7F6" shape=rect style=filled]
+	N4 [label="Bias Mitigation" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N5 [label="Public Engagement with Research" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N6 [label="Experiment Design" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N7 [label="Thesis or Dissertation Writing" color="#9575CD" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N8 [label="Literature Review" color="#FFEB3B" fillcolor="#FFF9C4" shape=inputoutput style=filled]
+	N9 [label="Data Collection" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N10 [label="Meta_Analysis" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=dashed label="cites" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="collects" dir=forward]
+	N5 -> N6 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFEB3B" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N8 -> N9 [color="#F7BEE0" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N9 -> N10 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_763.dot b/train/diagrams/easy/diagrams_763.dot
new file mode 100644
index 0000000000000000000000000000000000000000..70299a4a4ff81dd84f4fb9d6f81fa863e0a9efbf
--- /dev/null
+++ b/train/diagrams/easy/diagrams_763.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Journal Publication" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N1 [label="Peer Review Process" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N2 [label="Research Collaboration" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+	N3 [label="Sampling Techniques" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N4 [label="Meta_Analysis" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N5 [label="Theory Development" color="#A1887F" fillcolor="#EFEBE9" shape=vnode_shape style=filled]
+	N6 [label="Open Science Practices" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+	N7 [label="Model Building" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="theorizes" dir=forward]
+	N1 -> N2 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed label="collaborates" dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=dashed label="grants" dir=forward]
+	N1 -> N3 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N7 [color="#000000" penwidth=1.5 style=solid label="cites" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_764.txt b/train/diagrams/easy/diagrams_764.txt
new file mode 100644
index 0000000000000000000000000000000000000000..331b522d388c9b784ee3e782642a0384c70609a7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_764.txt
@@ -0,0 +1,8 @@
+<Academic Mentorship, connectedTo, Qualitative Analysis>
+<Bias Mitigation, connectedTo, Public Engagement with Research>
+<Data Management Plan, cites, Power Analysis>
+<Experiment Design, patents, Qualitative Analysis>
+<Experiment Design, theorizes, Academic Mentorship>
+<Power Analysis, grants, Experiment Design>
+<Public Engagement with Research, interprets, Thesis or Dissertation Writing>
+<Qualitative Analysis, connectedTo, Bias Mitigation>
diff --git a/train/diagrams/easy/diagrams_766.txt b/train/diagrams/easy/diagrams_766.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e026cfa08eb99aadbcba8fcdd4a8698927119422
--- /dev/null
+++ b/train/diagrams/easy/diagrams_766.txt
@@ -0,0 +1,9 @@
+<Experiment Design, connectedTo, Research Design>
+<Experiment Design, publishes, Theory Development>
+<Intellectual Property in Research, connectedTo, Qualitative Analysis>
+<Qualitative Analysis, connectedTo, Research Collaboration>
+<Research Collaboration, connectedTo, Experiment Design>
+<Research Collaboration, evaluates, Research Design>
+<Research Design, researches, Intellectual Property in Research>
+<Systematic Review, connectedTo, Presentation at Conferences>
+<Theory Development, collects, Systematic Review>
diff --git a/train/diagrams/easy/diagrams_767.dot b/train/diagrams/easy/diagrams_767.dot
new file mode 100644
index 0000000000000000000000000000000000000000..512e32af4f45d389ff1e81272f2a31926c244263
--- /dev/null
+++ b/train/diagrams/easy/diagrams_767.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Plagiarism Detection" color="#FFF8A6" fillcolor="#FFFDE0" shape=rect style=filled]
+	N1 [label="Research Impact Assessment" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N2 [label="Research Question Refinement" color="#FFF8A6" fillcolor="#FFFDE0" shape=action style=filled]
+	N3 [label="Thesis or Dissertation Writing" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N4 [label="Theory Development" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N5 [label="Variable Identification" color="#FF5722" fillcolor="#FFCCBC" shape=vnode_shape style=filled]
+	N6 [label="Data Collection" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N7 [label="Journal Publication" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N8 [label="Peer Review Process" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="applies" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="presents" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="funds" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFF8A6" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N6 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_768.dot b/train/diagrams/easy/diagrams_768.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d6e202200dba1f1205c45552f149a7917e77f442
--- /dev/null
+++ b/train/diagrams/easy/diagrams_768.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Literature Review" color="#795548" fillcolor="#D7CCC8" shape=vnode_shape style=filled]
+	N1 [label="Peer Review Process" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N2 [label="Qualitative Analysis" color="#A188D0" fillcolor="#DACBE3" shape=preparation style=filled]
+	N3 [label="Methodology Selection" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N4 [label="Data Visualization for Research" color="#DCE775" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N5 [label="Experiment Design" color="#795548" fillcolor="#D7CCC8" shape=rect style=filled]
+	N6 [label="Manuscript Writing" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N7 [label="Public Engagement with Research" color="#A188D0" fillcolor="#DACBE3" shape=inputoutput style=filled]
+	N8 [label="Statistical Analysis" color="#795548" fillcolor="#D7CCC8" shape=action style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="data management" dir=forward]
+	N2 -> N3 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=dashed label="investigates" dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="grants" dir=forward]
+	N7 -> N8 [color="#A188D0" penwidth=1.5 style=dashed label="validates" dir=forward]
+	N8 -> N4 [color="#A188D0" penwidth=1.5 style=solid label="teaches" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_768.txt b/train/diagrams/easy/diagrams_768.txt
new file mode 100644
index 0000000000000000000000000000000000000000..38180e8da9509d32854a401f5f3310b5b6df6099
--- /dev/null
+++ b/train/diagrams/easy/diagrams_768.txt
@@ -0,0 +1,9 @@
+<Data Visualization for Research, investigates, Experiment Design>
+<Experiment Design, connectedTo, Manuscript Writing>
+<Literature Review, connectedTo, Peer Review Process>
+<Manuscript Writing, grants, Public Engagement with Research>
+<Methodology Selection, connectedTo, Data Visualization for Research>
+<Peer Review Process, data management, Qualitative Analysis>
+<Public Engagement with Research, validates, Statistical Analysis>
+<Qualitative Analysis, connectedTo, Methodology Selection>
+<Statistical Analysis, teaches, Data Visualization for Research>
diff --git a/train/diagrams/easy/diagrams_769.txt b/train/diagrams/easy/diagrams_769.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fd0673997b10e8eb0b0d0d18e4c181473e71e424
--- /dev/null
+++ b/train/diagrams/easy/diagrams_769.txt
@@ -0,0 +1,10 @@
+<Archival Integration, plans, User Account Management>
+<Collection Development, assists, Digital Resource Management>
+<Digital Resource Management, connectedTo, Subject Indexing>
+<Electronic Resource Management, analyzes, Archival Integration>
+<Interlibrary Loan, connectedTo, Technical Support for Systems>
+<Personalized Recommendations, connectedTo, Interlibrary Loan>
+<Preservation of Materials, retrieves, Collection Development>
+<Subject Indexing, connectedTo, Electronic Resource Management>
+<Technical Support for Systems, connectedTo, Preservation of Materials>
+<User Account Management, educates, Personalized Recommendations>
diff --git a/train/diagrams/easy/diagrams_77.txt b/train/diagrams/easy/diagrams_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a741e4198fc405ca1cb284f71007cbdf45a73af2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_77.txt
@@ -0,0 +1,10 @@
+<Antenna Maintenance, upgrades, Service Complaint>
+<Bandwidth Allocation, receives, Antenna Maintenance>
+<Data Usage Logging, troubleshoots, Plan Suspension>
+<Fiber Optic Deployment, connectedTo, Network Security Monitoring>
+<Network Security Monitoring, suspends, Roaming Activation>
+<Plan Suspension, connectedTo, Roaming Activation>
+<Plan Suspension, supports, Bandwidth Allocation>
+<Roaming Activation, selects, Antenna Maintenance>
+<Roaming Activation, transmits, Data Usage Logging>
+<Speed Throttling, connectedTo, Fiber Optic Deployment>
diff --git a/train/diagrams/easy/diagrams_770.dot b/train/diagrams/easy/diagrams_770.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9a7d3d07bebc93ce986412a0f5927a8727be219d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_770.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Mobile App for Library" color="#00BCD4" fillcolor="#B2EBF2" shape=rectangle style=filled]
+	N1 [label="Acquisitions" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N2 [label="Collection Development" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N3 [label="Online Public Access Catalog" color="#00BCD4" fillcolor="#B2EBF2" shape=document style=filled]
+	N4 [label="Serials Control" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N5 [label="Circulation Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N6 [label="Resource Sharing Networks" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N7 [label="Reporting and Analytics" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N8 [label="Digitization Projects" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N9 [label="Library Management Systems" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N10 [label="User Training on Systems" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N3 -> N4 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4DB6AC" penwidth=1.5 style=solid label="borrows" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#4DB6AC" penwidth=1.5 style=solid label="searches" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N9 [color="#AF56A6" penwidth=1.5 style=solid label="notifies" dir=forward]
+	N1 -> N4 [color="#AF56A6" penwidth=1.5 style=dashed label="lends" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_772.dot b/train/diagrams/easy/diagrams_772.dot
new file mode 100644
index 0000000000000000000000000000000000000000..475481fd1cabf4c6a51d034deb11d0ec4b239540
--- /dev/null
+++ b/train/diagrams/easy/diagrams_772.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Subject Indexing" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N1 [label="Technical Support for Systems" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N2 [label="Authority Control" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N3 [label="RFID System Implementation" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N4 [label="Self_Checkout Kiosks" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N5 [label="Reporting and Analytics" color="#FFC085" fillcolor="#FFDAB9" shape=rect style=filled]
+	N6 [label="Open Access Repository Management" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N7 [label="Online Public Access Catalog" color="#C2B2F0" fillcolor="#EFE6FF" shape=document style=filled]
+	N8 [label="Preservation of Materials" color="#C2B2F0" fillcolor="#EFE6FF" shape=multipledocuments style=filled]
+	N9 [label="Linked Data for Libraries" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N10 [label="User Account Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N11 [label="AI in Library Services" color="#FFC2C2" fillcolor="#FFEBEB" shape=database style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="retrieves" dir=forward]
+	N2 -> N3 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="lends" dir=forward]
+	N4 -> N5 [color="#C2B2F0" penwidth=1.5 style=solid label="secures" dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=dashed label="assists" dir=forward]
+	N6 -> N7 [color="#C2B2F0" penwidth=1.5 style=solid label="renews" dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=solid label="processes" dir=forward]
+	N8 -> N9 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="supports" dir=forward]
+	N10 -> N11 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N11 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_775.txt b/train/diagrams/easy/diagrams_775.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3fcf49a81e9b2da03c194a110d23e341502072e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_775.txt
@@ -0,0 +1,10 @@
+<AI in Library Services, collaborates, Digitization Projects>
+<Authority Control, connectedTo, Technical Support for Systems>
+<Database Management, connectedTo, Authority Control>
+<Digital Resource Management, preserves, Online Public Access Catalog>
+<Digitization Projects, retrieves, Linked Data for Libraries>
+<Online Public Access Catalog, connectedTo, AI in Library Services>
+<Online Public Access Catalog, notifies, Digitization Projects>
+<Open Access Repository Management, connectedTo, Digital Resource Management>
+<Self_Checkout Kiosks, reports, Database Management>
+<Technical Support for Systems, assists, Open Access Repository Management>
diff --git a/train/diagrams/easy/diagrams_776.txt b/train/diagrams/easy/diagrams_776.txt
new file mode 100644
index 0000000000000000000000000000000000000000..720a4793727c40a4bbfe1f013d11ce21f51050a6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_776.txt
@@ -0,0 +1,9 @@
+<Cataloging and Classification, plans, Resource Sharing Networks>
+<Collection Development, connectedTo, RFID System Implementation>
+<Digital Resource Management, connectedTo, Search Functionality>
+<Digital Resource Management, searches, RFID System Implementation>
+<Mobile App for Library, connectedTo, Self_Checkout Kiosks>
+<Personalized Recommendations, communicates, Cataloging and Classification>
+<RFID System Implementation, connectedTo, Personalized Recommendations>
+<Search Functionality, connectedTo, Mobile App for Library>
+<Self_Checkout Kiosks, updates, Collection Development>
diff --git a/train/diagrams/easy/diagrams_779.dot b/train/diagrams/easy/diagrams_779.dot
new file mode 100644
index 0000000000000000000000000000000000000000..00cb74c7a9d5f456c8bf90dbdfda0aab9404e075
--- /dev/null
+++ b/train/diagrams/easy/diagrams_779.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Digital Forensics for Archives" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N1 [label="Digital Asset Management" color="#26A69A" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N2 [label="Environmental Control" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N3 [label="Public Access Systems" color="#FFD54F" fillcolor="#FFF8E1" shape=database style=filled]
+	N4 [label="Records Retention Scheduling" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N5 [label="Disaster Preparedness for Archives" color="#5C6BC0" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N6 [label="Security of Holdings" color="#26A69A" fillcolor="#E0F2F1" shape=rect style=filled]
+	N7 [label="Authority Control for Archival Names" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N8 [label="Exhibition Curation" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N9 [label="Legal and Ethical Compliance" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N10 [label="Oral History Collection" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N0 -> N1 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#26A69A" penwidth=1.5 style=solid label="appraises" dir=forward]
+	N5 -> N6 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#26A69A" penwidth=1.5 style=solid label="validates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N8 -> N9 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#26A69A" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N9 -> N4 [color="#26A69A" penwidth=1.5 style=solid label="acquires" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_781.dot b/train/diagrams/easy/diagrams_781.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c0c5402fdaca4861c64053e9b0a623d23fa65353
--- /dev/null
+++ b/train/diagrams/easy/diagrams_781.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Acquisition and Accessioning" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N1 [label="Records Transfer Processes" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N2 [label="Grant Writing for Archives" color="#FFE470" fillcolor="#FFFAE0" shape=vnode_shape style=filled]
+	N3 [label="Web Archiving" color="#BDBDBD" fillcolor="#F5F5F5" shape=rect style=filled]
+	N4 [label="Oral History Collection" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N5 [label="User Interface for Digital Archives" color="#CD8FF2" fillcolor="#ECCFF5" shape=rect style=filled]
+	N6 [label="Records Management Integration" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N7 [label="Database Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=action style=filled]
+	N8 [label="Legal and Ethical Compliance" color="#BDBDBD" fillcolor="#F5F5F5" shape=document style=filled]
+	N0 -> N1 [color="#FFE470" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N1 -> N2 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed label="acquires" dir=forward]
+	N7 -> N8 [color="#BDBDBD" penwidth=1.5 style=dashed label="conserves" dir=forward]
+	N5 -> N4 [color="#BDBDBD" penwidth=1.5 style=solid label="preserves" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_783.txt b/train/diagrams/easy/diagrams_783.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6faeee6089d3231507535c7e88e4230e44bab847
--- /dev/null
+++ b/train/diagrams/easy/diagrams_783.txt
@@ -0,0 +1,9 @@
+<Access and Reference Services, connectedTo, Outreach and Education>
+<Arrangement and Description, acquires, Long_Term Digital Preservation>
+<Arrangement and Description, references, Authority Control for Archival Names>
+<Finding Aid Creation, develops, Authority Control for Archival Names>
+<Long_Term Digital Preservation, connectedTo, Finding Aid Creation>
+<Outreach and Education, locates, Public Access Systems>
+<Public Access Systems, preserves, Arrangement and Description>
+<Records Transfer Processes, connectedTo, Long_Term Digital Preservation>
+<Records Transfer Processes, digitizes, Access and Reference Services>
diff --git a/train/diagrams/easy/diagrams_788.dot b/train/diagrams/easy/diagrams_788.dot
new file mode 100644
index 0000000000000000000000000000000000000000..111379274aa63fd071f9a44bebaca8b9c4a302dc
--- /dev/null
+++ b/train/diagrams/easy/diagrams_788.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Fundraising Technology" color="#00BCD4" fillcolor="#E0F7FA" shape=action style=filled]
+	N1 [label="Gamification of Museum Experiences" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N2 [label="Security Systems Integration" color="#CB9BE1" fillcolor="#F2E6F5" shape=document style=filled]
+	N3 [label="Ticketing and Visitor Systems" color="#CB9BE1" fillcolor="#F2E6F5" shape=database style=filled]
+	N4 [label="Cybersecurity for Museum Data" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N5 [label="Augmented Reality Experiences" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N6 [label="Virtual Reality Experiences" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N7 [label="Mobile App Development" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="develops" dir=forward]
+	N2 -> N3 [color="#FFC085" penwidth=1.5 style=dashed label="gamifies" dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=dashed label="scans" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid label="engages" dir=forward]
+	N0 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_791.txt b/train/diagrams/easy/diagrams_791.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d28179e55fa852d414e3e7867281787669a450b7
--- /dev/null
+++ b/train/diagrams/easy/diagrams_791.txt
@@ -0,0 +1,12 @@
+<3D Printing for Replicas, documents, Content Management Systems>
+<Conservation Technology, connectedTo, Environmental Control Systems>
+<Content Management Systems, connectedTo, Digital Storytelling>
+<Cybersecurity for Museum Data, collects, Virtual Tours>
+<Cybersecurity for Museum Data, integrates, Content Management Systems>
+<Digital Storytelling, designs, User Experience Design>
+<Digital Storytelling, guides, Conservation Technology>
+<Fundraising Technology, manages, Interactive Display Development>
+<Interactive Display Development, connectedTo, Research Databases Access>
+<Research Databases Access, connectedTo, 3D Printing for Replicas>
+<User Experience Design, models, Cybersecurity for Museum Data>
+<Virtual Tours, connectedTo, Conservation Technology>
diff --git a/train/diagrams/easy/diagrams_794.txt b/train/diagrams/easy/diagrams_794.txt
new file mode 100644
index 0000000000000000000000000000000000000000..85d87614ebc4f742c1c1f2a2be141ab26eebccf2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_794.txt
@@ -0,0 +1,10 @@
+<Anti_Money Laundering Compliance, certifies, Corporate Governance Standards>
+<Bias Mitigation, connectedTo, Anti_Money Laundering Compliance>
+<Compliance Software Implementation, respects, Bias Mitigation>
+<Conflict of Interest Management, secures, Healthcare Compliance>
+<Corporate Governance Standards, fairness, Conflict of Interest Management>
+<Ethical Decision_Making Frameworks, connectedTo, Compliance Software Implementation>
+<Fair Competition Compliance, laws, Ethical Decision_Making Frameworks>
+<Healthcare Compliance, connectedTo, Ethics Committee Formation>
+<Healthcare Compliance, connectedTo, Policy Development>
+<Policy Development, investigates, Fair Competition Compliance>
diff --git a/train/diagrams/easy/diagrams_799.dot b/train/diagrams/easy/diagrams_799.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7fba373dd017600921036bb4d1ba20f326bbe83d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_799.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Information Security Compliance" color="#CFCFCF" fillcolor="#F6F6F6" shape=document style=filled]
+	N1 [label="Ethical Leadership Development" color="#E57373" fillcolor="#FFEBEE" shape=rect style=filled]
+	N2 [label="Labor Law Compliance" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N3 [label="Stakeholder Engagement on Ethics" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N4 [label="Risk Assessment" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N5 [label="Legal Advisory" color="#E57373" fillcolor="#FFEBEE" shape=action style=filled]
+	N6 [label="Policy Development" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N7 [label="CSR Reporting" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=dashed label="enforces" dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid label="accountability" dir=forward]
+	N4 -> N5 [color="#E57373" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N5 -> N6 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#94C0C0" penwidth=1.5 style=solid label="protects" dir=forward]
+	N3 -> N6 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_807.txt b/train/diagrams/easy/diagrams_807.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d2ab4747dc18429bda2094967b2e305546ccc5b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_807.txt
@@ -0,0 +1,8 @@
+<Data Recovery, advises, Forensic Anthropology>
+<Facial Recognition, examines, Trace Evidence Analysis>
+<Forensic Accounting, connectedTo, Data Recovery>
+<Forensic Accounting, investigates, Evidence Preservation>
+<Forensic Anthropology, connectedTo, Polygraph Examination>
+<Polygraph Examination, connectedTo, Evidence Preservation>
+<Toolmark Analysis, audits, Facial Recognition>
+<Trace Evidence Analysis, connectedTo, Forensic Accounting>
diff --git a/train/diagrams/easy/diagrams_81.txt b/train/diagrams/easy/diagrams_81.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a537d07ad71222d9406fb208c7558054e0ba0c3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_81.txt
@@ -0,0 +1,12 @@
+<Disease Detection, connectedTo, Grain Drying>
+<Drone Scouting, removes, Farm Machinery Operation>
+<Farm Machinery Operation, connectedTo, Disease Detection>
+<Farm Maintenance, propagates, Market Transportation>
+<Fencing Installation, connectedTo, Precision Farming>
+<Fertilizer Application, educates, Greenhouse Control>
+<Grain Drying, connectedTo, Farm Maintenance>
+<Greenhouse Control, certifies, Fencing Installation>
+<Precision Farming, distributes, Greenhouse Control>
+<Precision Farming, irrigates, Water Level Measurement>
+<Subsidy Application, sells, Drone Scouting>
+<Water Level Measurement, connectedTo, Subsidy Application>
diff --git a/train/diagrams/easy/diagrams_810.txt b/train/diagrams/easy/diagrams_810.txt
new file mode 100644
index 0000000000000000000000000000000000000000..556ad80e6e1180ebb0310a88048ba2b3b15931e1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_810.txt
@@ -0,0 +1,9 @@
+<Airport Security, crisis_manages, Surveillance and Monitoring>
+<Homeland Security Planning, connectedTo, Terrorism Financing Interdiction>
+<International Cooperation, connectedTo, Airport Security>
+<Legislation and Policy Development, connectedTo, Critical Infrastructure Protection>
+<Legislation and Policy Development, connectedTo, Homeland Security Planning>
+<Psychological Operations, technologies_applies, Legislation and Policy Development>
+<Surveillance and Monitoring, shares_info, Psychological Operations>
+<Terrorism Financing Interdiction, laws_enforces, Training Exercises>
+<Training Exercises, connectedTo, Critical Infrastructure Protection>
diff --git a/train/diagrams/easy/diagrams_812.dot b/train/diagrams/easy/diagrams_812.dot
new file mode 100644
index 0000000000000000000000000000000000000000..20b41f968a6a02069224ab678fa540cffb44c5a5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_812.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Counter_Propaganda" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N1 [label="Crisis Response Planning" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N2 [label="Information Sharing" color="#FFC107" fillcolor="#FFECB3" shape=diamond style=filled]
+	N3 [label="Public Awareness Campaigns" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N4 [label="Terrorism Financing Interdiction" color="#FFB74D" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N5 [label="Cybersecurity Defense" color="#FFB74D" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N6 [label="Biometric Screening" color="#FFC107" fillcolor="#FFECB3" shape=action style=filled]
+	N7 [label="Airport Security" color="#FFB74D" fillcolor="#FFF3E0" shape=rect style=filled]
+	N0 -> N1 [color="#FFC107" penwidth=1.5 style=solid label="impacts_assesses" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="protects_critical_infra" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N5 [color="#000000" penwidth=1.5 style=solid label="shares_info" dir=forward]
+	N7 -> N0 [color="#FFB74D" penwidth=1.5 style=solid label="monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_816.txt b/train/diagrams/easy/diagrams_816.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82d166f484cfcb5d990133b2cd6103b68ecff2a5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_816.txt
@@ -0,0 +1,9 @@
+<Behavioral Threat Assessment, connectedTo, Intelligence Gathering>
+<Behavioral Threat Assessment, risk_assesses, Early Warning Systems>
+<Bomb Disposal, connectedTo, Port Security>
+<Border Security, trains, Vulnerability Assessment>
+<Early Warning Systems, analyzes, Bomb Disposal>
+<Intelligence Gathering, policies_develops, Border Security>
+<Port Security, connectedTo, Training Exercises>
+<Surveillance and Monitoring, protects_critical_infra, Behavioral Threat Assessment>
+<Vulnerability Assessment, connectedTo, Early Warning Systems>
diff --git a/train/diagrams/easy/diagrams_820.dot b/train/diagrams/easy/diagrams_820.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5c340c2ed2115ac65360c509977f62079db82b70
--- /dev/null
+++ b/train/diagrams/easy/diagrams_820.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Asset Tracking" color="#A2D0FF" fillcolor="#E8F0FF" shape=preparation style=filled]
+	N1 [label="Intrusion Detection" color="#A2D0FF" fillcolor="#E8F0FF" shape=database style=filled]
+	N2 [label="Ethical Guidelines" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N3 [label="Pattern Recognition" color="#A2D0FF" fillcolor="#E8F0FF" shape=rect style=filled]
+	N4 [label="GPS Tracking" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N5 [label="Public Space Monitoring" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N6 [label="Audio Surveillance" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N7 [label="Satellite Imaging" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=solid label="receives" dir=forward]
+	N5 -> N6 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_828.txt b/train/diagrams/easy/diagrams_828.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0beb33faa3ed95a88697dfbdf2a6c3ffcb319522
--- /dev/null
+++ b/train/diagrams/easy/diagrams_828.txt
@@ -0,0 +1,12 @@
+<Deterrence Strategies, connectedTo, Security Lighting>
+<Drug Prevention Initiatives, communicates, Sexual Assault Prevention>
+<Drug Prevention Initiatives, secures, Robbery Prevention>
+<Gang Intervention, connectedTo, Victim Support Services>
+<Gun Violence Prevention, models, Robbery Prevention>
+<Robbery Prevention, connectedTo, Gang Intervention>
+<Security Lighting, hotspots, Youth Programs>
+<Sexual Assault Prevention, connectedTo, Gun Violence Prevention>
+<Target Hardening, connectedTo, Deterrence Strategies>
+<Victim Support Services, connectedTo, Target Hardening>
+<Victim Support Services, responds, Sexual Assault Prevention>
+<Youth Programs, reports, Community Policing>
diff --git a/train/diagrams/easy/diagrams_830.txt b/train/diagrams/easy/diagrams_830.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a317b0e3b9e60c9c01b92d84a67dbf79e60844b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_830.txt
@@ -0,0 +1,12 @@
+<Burglary Prevention, community_engages, Technology for Prevention>
+<Conflict Resolution Training, strategies_develops, Burglary Prevention>
+<Environmental Design, programs_initiates, Reintegration Programs>
+<Gang Intervention, connectedTo, Conflict Resolution Training>
+<Neighborhood Watch Programs, collaborates, Vehicle Theft Prevention>
+<Reintegration Programs, connectedTo, Drug Prevention Initiatives>
+<Reintegration Programs, connectedTo, Neighborhood Watch Programs>
+<Restorative Justice, partnerships_forms, Robbery Prevention>
+<Robbery Prevention, laws_enforces, Drug Prevention Initiatives>
+<Technology for Prevention, connectedTo, Restorative Justice>
+<Technology for Prevention, monitors, Environmental Design>
+<Vehicle Theft Prevention, connectedTo, Gang Intervention>
diff --git a/train/diagrams/easy/diagrams_832.txt b/train/diagrams/easy/diagrams_832.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a509fe586c1ccbd6226f289b6fecba869e64c640
--- /dev/null
+++ b/train/diagrams/easy/diagrams_832.txt
@@ -0,0 +1,8 @@
+<Crime Data Analysis, laws_enforces, Crisis Intervention>
+<Crime Prevention Through Education, connectedTo, Crime Data Analysis>
+<Crisis Intervention, supports_victims, Domestic Violence Prevention>
+<Domestic Violence Prevention, connectedTo, Technology for Prevention>
+<Rehabilitation Programs, hotspots, Crime Prevention Through Education>
+<Target Hardening, connectedTo, Behavioral Science in Prevention>
+<Technology for Prevention, connectedTo, Rehabilitation Programs>
+<Technology for Prevention, connectedTo, Target Hardening>
diff --git a/train/diagrams/easy/diagrams_834.dot b/train/diagrams/easy/diagrams_834.dot
new file mode 100644
index 0000000000000000000000000000000000000000..93b6fc1f8cc28a05580acbad1b25f189882b5d3c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_834.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Genetic Diversity Analysis" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N1 [label="Carbon Sequestration in Habitats" color="#7E57C2" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N2 [label="Pollution Impact Assessment" color="#4FC3F7" fillcolor="#E1F5FE" shape=diamond style=filled]
+	N3 [label="Ecosystem Services Valuation" color="#BDAFA8" fillcolor="#E4E0DF" shape=preparation style=filled]
+	N4 [label="Community Engagement" color="#7E57C2" fillcolor="#EDE7F6" shape=document style=filled]
+	N5 [label="Grassland Conservation" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N6 [label="Population Dynamics Study" color="#7E57C2" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N7 [label="Sustainable Resource Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=solid label="anti_poaching_fights" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="warns" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid label="policies_influences" dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N7 -> N3 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_841.dot b/train/diagrams/easy/diagrams_841.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1f0d33f395135d22e93877d29bdbfac709865102
--- /dev/null
+++ b/train/diagrams/easy/diagrams_841.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Sediment Analysis" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N1 [label="Ocean Acidification Research" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N2 [label="Tsunami Prediction" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N3 [label="Acoustic Oceanography" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N4 [label="Coastal Zone Management" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N5 [label="Marine Remote Sensing" color="#5C6BC0" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N6 [label="Ocean Modeling" color="#AABEC6" fillcolor="#E0E6E9" shape=rectangle style=filled]
+	N7 [label="Ocean Drilling Programs" color="#A1887F" fillcolor="#EFEBE9" shape=diamond style=filled]
+	N8 [label="Ocean Data Archiving" color="#5C6BC0" fillcolor="#E8EAF6" shape=action style=filled]
+	N9 [label="Satellite Oceanography" color="#5C6BC0" fillcolor="#E8EAF6" shape=action style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="salinity" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="charts" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="ecosystems" dir=forward]
+	N4 -> N5 [color="#AABEC6" penwidth=1.5 style=solid label="measures" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#5C6BC0" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N7 -> N8 [color="#AABEC6" penwidth=1.5 style=solid label="collects_data" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N2 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_842.txt b/train/diagrams/easy/diagrams_842.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a6397748914d43cead5224e6f2d2a67f4913fb9
--- /dev/null
+++ b/train/diagrams/easy/diagrams_842.txt
@@ -0,0 +1,8 @@
+<Coastal Zone Management, connectedTo, Polar Oceanography>
+<Deep_Sea Exploration, salinity, ROV or AUV Operations>
+<Ocean Acidification Research, connectedTo, Seabed Resource Exploration>
+<Polar Oceanography, conserves, Deep_Sea Exploration>
+<Salinity Measurement, connectedTo, Ocean Acidification Research>
+<Seabed Resource Exploration, analyzes_data, Polar Oceanography>
+<Seabed Resource Exploration, operates_ROVs, Coastal Zone Management>
+<Tsunami Prediction, simulates, Salinity Measurement>
diff --git a/train/diagrams/easy/diagrams_843.txt b/train/diagrams/easy/diagrams_843.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d8ef015407aef8c16e0d87156f70e7a9dbaf86a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_843.txt
@@ -0,0 +1,10 @@
+<Buoy Deployment, advises, Underwater Acoustics>
+<Data Visualization, understands, Salinity Measurement>
+<Marine Protected Area Planning, salinity, Seabed Resource Exploration>
+<Ocean Data Archiving, connectedTo, Data Visualization>
+<Ocean Modeling, samples, Ocean Data Archiving>
+<Ocean Renewable Energy, deploys_sensors, Marine Protected Area Planning>
+<Salinity Measurement, measures, Buoy Deployment>
+<Sea Level Monitoring, studies, Ocean Renewable Energy>
+<Seabed Resource Exploration, connectedTo, Ocean Renewable Energy>
+<Underwater Acoustics, connectedTo, Sea Level Monitoring>
diff --git a/train/diagrams/easy/diagrams_846.dot b/train/diagrams/easy/diagrams_846.dot
new file mode 100644
index 0000000000000000000000000000000000000000..75b828bffd58cad3963569b3562f3ac610b213db
--- /dev/null
+++ b/train/diagrams/easy/diagrams_846.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Sea Level Monitoring" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N1 [label="Satellite Oceanography" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N2 [label="Polar Oceanography" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N3 [label="Seabed Resource Exploration" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N4 [label="Deep_Sea Exploration" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N5 [label="Data Visualization" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+	N6 [label="Buoy Deployment" color="#64B5F6" fillcolor="#E3F2FD" shape=document style=filled]
+	N7 [label="Salinity Measurement" color="#42A5F5" fillcolor="#F1F8FF" shape=parallelogram style=filled]
+	N8 [label="Marine Hazards Assessment" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N9 [label="Ocean Drilling Programs" color="#42A5F5" fillcolor="#F1F8FF" shape=preparation style=filled]
+	N0 -> N1 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid label="reports" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=dashed label="maps" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="visualizes_data" dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed label="operates_ROVs" dir=forward]
+	N8 -> N9 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_846.txt b/train/diagrams/easy/diagrams_846.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23e2573c67723071902f75d15273d49271d9a52c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_846.txt
@@ -0,0 +1,10 @@
+<Buoy Deployment, surveys, Salinity Measurement>
+<Data Visualization, connectedTo, Buoy Deployment>
+<Deep_Sea Exploration, visualizes_data, Data Visualization>
+<Marine Hazards Assessment, connectedTo, Ocean Drilling Programs>
+<Ocean Drilling Programs, connectedTo, Sea Level Monitoring>
+<Polar Oceanography, connectedTo, Seabed Resource Exploration>
+<Salinity Measurement, operates_ROVs, Marine Hazards Assessment>
+<Satellite Oceanography, reports, Polar Oceanography>
+<Sea Level Monitoring, connectedTo, Satellite Oceanography>
+<Seabed Resource Exploration, maps, Deep_Sea Exploration>
diff --git a/train/diagrams/easy/diagrams_847.dot b/train/diagrams/easy/diagrams_847.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d9bbd6ce694f75c91c6eef0c0b76f9e95cf3c828
--- /dev/null
+++ b/train/diagrams/easy/diagrams_847.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="ROV or AUV Operations" color="#CFCFCF" fillcolor="#F6F6F6" shape=rect style=filled]
+	N1 [label="Acoustic Oceanography" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N2 [label="Ocean Temperature Sensing" color="#CFCFCF" fillcolor="#F6F6F6" shape=rect style=filled]
+	N3 [label="Satellite Oceanography" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	N4 [label="Marine Hazards Assessment" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N5 [label="Marine Remote Sensing" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N6 [label="Sediment Analysis" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N7 [label="Coastal Erosion Research" color="#CFCFCF" fillcolor="#F6F6F6" shape=database style=filled]
+	N8 [label="Data Visualization" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=solid label="salinity" dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=dashed label="ecosystems" dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="maps" dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F44336" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N7 -> N8 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N6 -> N4 [color="#F44336" penwidth=1.5 style=dashed label="waves" dir=forward]
+	N7 -> N1 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_848.dot b/train/diagrams/easy/diagrams_848.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9de3d9a8b48073ef0af7ef62264c63212bd1b85b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_848.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Data Visualization" color="#BDBDBD" fillcolor="#F5F5F5" shape=database style=filled]
+	N1 [label="Seabed Resource Exploration" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N2 [label="Buoy Deployment" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N3 [label="Marine Ecosystem Health" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N4 [label="Deep_Sea Exploration" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N5 [label="Marine Life Observation" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N6 [label="Ocean Renewable Energy" color="#FFC107" fillcolor="#FFECB3" shape=predefinedprocess style=filled]
+	N7 [label="Sea Level Monitoring" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N8 [label="Coastal Erosion Research" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N9 [label="Climate Change Impact Study" color="#BDBDBD" fillcolor="#F5F5F5" shape=document style=filled]
+	N10 [label="Salinity Measurement" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#AB47BC" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N4 -> N5 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed label="ecosystems" dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BDBDBD" penwidth=1.5 style=dashed label="geology" dir=forward]
+	N8 -> N9 [color="#FFC107" penwidth=1.5 style=solid label="marine_life" dir=forward]
+	N9 -> N10 [color="#FFC107" penwidth=1.5 style=dashed label="maps" dir=forward]
+	N9 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_85.dot b/train/diagrams/easy/diagrams_85.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9e33b9f328567135bb23eff29eb74a4b81b657c5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_85.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Weather Tracking" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N1 [label="Barn Cleaning" color="#5C6BC0" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N2 [label="Disease Detection" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N3 [label="Weed Removal" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N4 [label="Pest Spraying" color="#A1887F" fillcolor="#EFEBE9" shape=preparation style=filled]
+	N5 [label="Precision Farming" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N6 [label="Traceability System" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N7 [label="Crop Rotation Planning" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N8 [label="Fertilizer Application" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#5C6BC0" penwidth=1.5 style=solid label="researches" dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N7 -> N8 [color="#81C784" penwidth=1.5 style=dashed label="applies" dir=forward]
+	N4 -> N2 [color="#000000" penwidth=1.5 style=solid label="controls" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_850.dot b/train/diagrams/easy/diagrams_850.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a9b24615fc2639d045c89b9e8c45ead60b064696
--- /dev/null
+++ b/train/diagrams/easy/diagrams_850.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Aftershock Analysis" color="#795548" fillcolor="#D7CCC8" shape=inputoutput style=filled]
+	N1 [label="Seismic Array Deployment" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	N2 [label="Magnitude Determination" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N3 [label="Structural Response to Earthquakes" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N4 [label="Paleoseismology" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N5 [label="Seismic Data Processing" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N6 [label="Computational Seismology" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N7 [label="Seismic Risk Mitigation" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N8 [label="Seismic Instrumentation Maintenance" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N9 [label="Earth Structure Imaging" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N10 [label="Microseismicity Study" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="builds_resistant_structures" dir=forward]
+	N1 -> N2 [color="#795548" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="maintains_networks" dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="designs_systems" dir=forward]
+	N6 -> N7 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="improves_accuracy" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="engineers" dir=forward]
+	N10 -> N1 [color="#FFA726" penwidth=1.5 style=solid label="educates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_851.dot b/train/diagrams/easy/diagrams_851.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0713ee0967edeae0b05a8969e2b50ef1c363dcad
--- /dev/null
+++ b/train/diagrams/easy/diagrams_851.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Seismic Network Operations" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N1 [label="Seismic Risk Mitigation" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N2 [label="Epicenter Location" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N3 [label="Paleoseismology" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N4 [label="Building Code Development" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	N5 [label="Earthquake Detection" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N6 [label="Emergency Preparedness for Earthquakes" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N7 [label="Seismic Array Deployment" color="#BCB88A" fillcolor="#F5F5DC" shape=rectangle style=filled]
+	N8 [label="Seismic Wave Analysis" color="#FFDA4E" fillcolor="#FFE88D" shape=predefinedprocess style=filled]
+	N9 [label="Earth Structure Imaging" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	N10 [label="Tsunami Warning Systems" color="#BCB88A" fillcolor="#F5F5DC" shape=rectangle style=filled]
+	N11 [label="Microseismicity Study" color="#BCB88A" fillcolor="#F5F5DC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="seismic_waves" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=solid label="builds_resistant_structures" dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N8 -> N9 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#FFDA4E" penwidth=1.5 style=dashed label="data_transmits" dir=forward]
+	N4 -> N10 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N1 [color="#BCB88A" penwidth=1.5 style=dashed label="receives" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_854.txt b/train/diagrams/easy/diagrams_854.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a2ba6132128b46bd14551113c1736a8176b7a749
--- /dev/null
+++ b/train/diagrams/easy/diagrams_854.txt
@@ -0,0 +1,12 @@
+<Aftershock Analysis, monitors, Earthquake Prediction Research>
+<Data Archiving and Distribution, connectedTo, Structural Response to Earthquakes>
+<Earthquake Prediction Research, connectedTo, Strong Motion Instrumentation>
+<Magnitude Determination, ground_motion, Seismic Hazard Assessment>
+<Nuclear Test Monitoring, connectedTo, Magnitude Determination>
+<Seismic Inversion, reports, Aftershock Analysis>
+<Seismic Network Operations, forecasts, Nuclear Test Monitoring>
+<Strong Motion Instrumentation, connectedTo, Tectonic Plate Movement Monitoring>
+<Strong Motion Instrumentation, fault_lines, Seismic Network Operations>
+<Structural Response to Earthquakes, connectedTo, Tectonic Plate Movement Monitoring>
+<Tectonic Plate Movement Monitoring, detects, Seismic Inversion>
+<Tectonic Plate Movement Monitoring, records, Seismic Network Operations>
diff --git a/train/diagrams/easy/diagrams_855.dot b/train/diagrams/easy/diagrams_855.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1240cb61b01e865473fb7886050683b7764545e5
--- /dev/null
+++ b/train/diagrams/easy/diagrams_855.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Liquefaction Potential Assessment" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N1 [label="Glacial Seismology" color="#9575CD" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N2 [label="Planetary Seismology" color="#9575CD" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N3 [label="Earthquake Prediction Research" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N4 [label="Nuclear Test Monitoring" color="#9575CD" fillcolor="#EDE7F6" shape=database style=filled]
+	N5 [label="Strong Motion Instrumentation" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N6 [label="Microseismicity Study" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N7 [label="Deep Earth Seismology" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N8 [label="Seismic Array Deployment" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N9 [label="Emergency Preparedness for Earthquakes" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#9575CD" penwidth=1.5 style=solid label="ground_motion" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=solid label="responds" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N7 -> N8 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N7 -> N6 [color="#000000" penwidth=1.5 style=dashed label="tsunamis_monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_856.dot b/train/diagrams/easy/diagrams_856.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1379a6b39c902ffdd836b8e9f6992f7a447ec56b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_856.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Seismic Wave Analysis" color="#FFB2A5" fillcolor="#FFDCD6" shape=predefinedprocess style=filled]
+	N1 [label="Tectonic Plate Movement Monitoring" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N2 [label="Seismic Risk Mitigation" color="#AED581" fillcolor="#F0F4C3" shape=document style=filled]
+	N3 [label="Nuclear Test Monitoring" color="#A188DB" fillcolor="#DED7F0" shape=preparation style=filled]
+	N4 [label="Fault Line Mapping" color="#A188DB" fillcolor="#DED7F0" shape=database style=filled]
+	N5 [label="Magnitude Determination" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N6 [label="Tsunami Warning Systems" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N7 [label="Seismic Tomography" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N8 [label="Deep Earth Seismology" color="#FFB2A5" fillcolor="#FFDCD6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFB2A5" penwidth=1.5 style=solid label="earthquakes_studies" dir=forward]
+	N2 -> N3 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="responds" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="models" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="detects" dir=forward]
+	N7 -> N2 [color="#A188DB" penwidth=1.5 style=dashed label="international_cooperates" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_858.txt b/train/diagrams/easy/diagrams_858.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7800efa0a7eccce02477e59dc060b416cea4c374
--- /dev/null
+++ b/train/diagrams/easy/diagrams_858.txt
@@ -0,0 +1,8 @@
+<Functional Genomics, commercializes, Genetic Testing>
+<Gene Annotation, modifies, Personalized Medicine>
+<Genetic Testing, connectedTo, Rare Disease Genomics>
+<Methylation Analysis, compares, Proteomics>
+<Next_Generation Sequencing, connectedTo, Gene Annotation>
+<Next_Generation Sequencing, predicts, Methylation Analysis>
+<Proteomics, connectedTo, Functional Genomics>
+<Rare Disease Genomics, stores_data, Next_Generation Sequencing>
diff --git a/train/diagrams/easy/diagrams_859.dot b/train/diagrams/easy/diagrams_859.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8e1db276b9ace5e43fcef18ab7f98d6e8259accb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_859.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Data Privacy in Genomics" color="#4DB6AC" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N1 [label="DNA Sequencing" color="#4DB6AC" fillcolor="#E0F2F1" shape=database style=filled]
+	N2 [label="Population Genomics" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N3 [label="Gene Therapy Development" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N4 [label="Metabolomics" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N5 [label="Spatial Genomics" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N6 [label="Cancer Genomics" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N7 [label="Structural Genomics" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N8 [label="Genome_Wide Association Studies" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N9 [label="Genetic Testing" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+	N10 [label="CRISPR Gene Drive Research" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N11 [label="Rare Disease Genomics" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=solid label="stores_data" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="sequences" dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="commercializes" dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="annotates" dir=forward]
+	N9 -> N10 [color="#2196F3" penwidth=1.5 style=dashed label="compares" dir=forward]
+	N10 -> N11 [color="#2196F3" penwidth=1.5 style=solid label="diagnoses" dir=forward]
+	N6 -> N1 [color="#4DB6AC" penwidth=1.5 style=dashed label="proteins_characterizes" dir=forward]
+	N2 -> N11 [color="#FF5722" penwidth=1.5 style=dashed label="shares_data" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_859.txt b/train/diagrams/easy/diagrams_859.txt
new file mode 100644
index 0000000000000000000000000000000000000000..189c3551ed9274d4a0242e42df8a3b41aea3a6a3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_859.txt
@@ -0,0 +1,13 @@
+<CRISPR Gene Drive Research, diagnoses, Rare Disease Genomics>
+<Cancer Genomics, connectedTo, Structural Genomics>
+<Cancer Genomics, proteins_characterizes, DNA Sequencing>
+<DNA Sequencing, stores_data, Population Genomics>
+<Data Privacy in Genomics, connectedTo, DNA Sequencing>
+<Gene Therapy Development, connectedTo, Metabolomics>
+<Genetic Testing, compares, CRISPR Gene Drive Research>
+<Genome_Wide Association Studies, annotates, Genetic Testing>
+<Metabolomics, commercializes, Spatial Genomics>
+<Population Genomics, sequences, Gene Therapy Development>
+<Population Genomics, shares_data, Rare Disease Genomics>
+<Spatial Genomics, connectedTo, Cancer Genomics>
+<Structural Genomics, connectedTo, Genome_Wide Association Studies>
diff --git a/train/diagrams/easy/diagrams_86.dot b/train/diagrams/easy/diagrams_86.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8f6730ad2a7edbba51b6968a452adffdc96bc26a
--- /dev/null
+++ b/train/diagrams/easy/diagrams_86.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Harvesting" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N1 [label="Seedling Transplanting" color="#D2D2D2" fillcolor="#F0F0F0" shape=action style=filled]
+	N2 [label="Weed Removal" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N3 [label="Hydroponic System Management" color="#7986CB" fillcolor="#E8EAF6" shape=action style=filled]
+	N4 [label="Farm Machinery Operation" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N5 [label="Greenhouse Control" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N6 [label="Soil Nutrient Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=preparation style=filled]
+	N7 [label="Traceability System" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N8 [label="Organic Certification" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N9 [label="Subsidy Application" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N10 [label="Storage" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="fertilizes" dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=solid label="automates" dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="applies" dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N3 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_860.txt b/train/diagrams/easy/diagrams_860.txt
new file mode 100644
index 0000000000000000000000000000000000000000..849cff828a1229ce9651624914dd9f6af635e766
--- /dev/null
+++ b/train/diagrams/easy/diagrams_860.txt
@@ -0,0 +1,12 @@
+<CRISPR Gene Drive Research, diagnoses, Genomic Editing>
+<Disease Gene Identification, connectedTo, Structural Genomics>
+<Gene Annotation, shares_data, Genomic Data Visualization>
+<Genomic Data Visualization, educates, Spatial Genomics>
+<Genomic Editing, connectedTo, Population Genomics>
+<Long_Read Sequencing, connectedTo, Gene Annotation>
+<Pharmacogenomics, processes_data, CRISPR Gene Drive Research>
+<Population Genomics, bioinformatics_uses, Structural Genomics>
+<Population Genomics, maps, Long_Read Sequencing>
+<Rare Disease Genomics, privacy_protects, Genetic Counseling>
+<Spatial Genomics, connectedTo, Rare Disease Genomics>
+<Structural Genomics, diseases_links, Pharmacogenomics>
diff --git a/train/diagrams/easy/diagrams_867.txt b/train/diagrams/easy/diagrams_867.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76fd09db68a909752809760411c2e36519c88c32
--- /dev/null
+++ b/train/diagrams/easy/diagrams_867.txt
@@ -0,0 +1,13 @@
+<Accent Recognition, identifies, Speech Emotion Recognition>
+<Acoustic Modeling, acoustic_models, Children's Speech Recognition>
+<Automatic Speech Recognition, evaluates, Accent Recognition>
+<Call Center Automation, connectedTo, Natural Language Understanding>
+<Children's Speech Recognition, learns, Feature Extraction>
+<Cloud_based Speech Services, tracks, Acoustic Modeling>
+<Embedded Speech Recognition, secures, Automatic Speech Recognition>
+<Feature Extraction, connectedTo, Call Center Automation>
+<Natural Language Understanding, dictates, Prosody Analysis>
+<Prosody Analysis, connectedTo, Automatic Speech Recognition>
+<Prosody Analysis, connectedTo, Embedded Speech Recognition>
+<Speech Analytics, connectedTo, Cloud_based Speech Services>
+<Speech Emotion Recognition, tests, Prosody Analysis>
diff --git a/train/diagrams/easy/diagrams_868.dot b/train/diagrams/easy/diagrams_868.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b6074cc801c921c1d25b83b7b3637b3224557807
--- /dev/null
+++ b/train/diagrams/easy/diagrams_868.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Dialect Adaptation" color="#FF9800" fillcolor="#FFE0B2" shape=action style=filled]
+	N1 [label="Speaker Identification" color="#DCE775" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N2 [label="Call Center Automation" color="#90A4AE" fillcolor="#ECEFF1" shape=rect style=filled]
+	N3 [label="Cloud_based Speech Services" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N4 [label="Linguistic Analysis" color="#FF9800" fillcolor="#FFE0B2" shape=rect style=filled]
+	N5 [label="Robust Speech Recognition" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N6 [label="Command and Control" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N7 [label="Speech_to_Text Conversion" color="#FF9800" fillcolor="#FFE0B2" shape=action style=filled]
+	N8 [label="Speech Emotion Recognition" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N9 [label="Feature Extraction" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N10 [label="Speech Analytics" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="commands" dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N5 -> N6 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="dictates" dir=forward]
+	N9 -> N10 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N5 -> N0 [color="#DCE775" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_870.dot b/train/diagrams/easy/diagrams_870.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d138e90eebda0f1d6d90da4b6f22c19cecb3fc13
--- /dev/null
+++ b/train/diagrams/easy/diagrams_870.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Speech Data Annotation" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N1 [label="Voice Activity Detection" color="#FF8A65" fillcolor="#FBE9E7" shape=predefinedprocess style=filled]
+	N2 [label="Dialect Adaptation" color="#4DB6AC" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N3 [label="Security Authentication" color="#4DB6AC" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N4 [label="Language Modeling" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N5 [label="Prosody Analysis" color="#FF8A65" fillcolor="#FBE9E7" shape=multipledocuments style=filled]
+	N6 [label="Voice Biometrics" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N7 [label="Acoustic Modeling" color="#FF8A65" fillcolor="#FBE9E7" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=solid label="translates" dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=dashed label="acoustic_models" dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=solid label="develops" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=dashed label="transcribes" dir=forward]
+	N6 -> N5 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_875.dot b/train/diagrams/easy/diagrams_875.dot
new file mode 100644
index 0000000000000000000000000000000000000000..228c0b504a6825df19aca5f35cb22912a0cf0253
--- /dev/null
+++ b/train/diagrams/easy/diagrams_875.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Sentiment Analysis" color="#5C6BC0" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N1 [label="Text Clustering" color="#FFB74D" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N2 [label="Vector Space Models" color="#5C6BC0" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N3 [label="Text Visualization" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N4 [label="Corpus Creation" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N5 [label="Text Classification" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N6 [label="Lemmatization or Stemming" color="#FFB74D" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N7 [label="Regular Expressions for Text" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N8 [label="Named Entity Recognition" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N9 [label="Legal Document Analysis" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N0 -> N1 [color="#FFB74D" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N1 -> N2 [color="#5C6BC0" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="keywords" dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="models" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N6 [color="#5C6BC0" penwidth=1.5 style=solid label="develops_algorithms" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_876.dot b/train/diagrams/easy/diagrams_876.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b97ceac5f2c2b4db538a6ff1d2a881b9c5980eda
--- /dev/null
+++ b/train/diagrams/easy/diagrams_876.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Text Preprocessing" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N1 [label="Data Cleaning for Text" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
+	N2 [label="Relationship Extraction" color="#BDBDBD" fillcolor="#F5F5F5" shape=predefinedprocess style=filled]
+	N3 [label="Plagiarism Detection" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N4 [label="News Article Analysis" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N5 [label="Text Similarity Analysis" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+	N6 [label="Patent Analysis" color="#6EB76D" fillcolor="#E9F7E8" shape=vnode_shape style=filled]
+	N7 [label="Keyword Extraction" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N8 [label="Chatbot Development" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+	N0 -> N1 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N1 -> N4 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_878.txt b/train/diagrams/easy/diagrams_878.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5913b87b152519b9df019bed959066dbff69097c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_878.txt
@@ -0,0 +1,9 @@
+<Biomedical Text Mining, connectedTo, Spam Detection>
+<Chatbot Development, disambiguates, Lemmatization or Stemming>
+<Corpus Creation, blocks, Knowledge Graph Construction>
+<Knowledge Graph Construction, connectedTo, Natural Language Processing>
+<Lemmatization or Stemming, identifies, Corpus Creation>
+<Natural Language Processing, classifies, Biomedical Text Mining>
+<Regular Expressions for Text, entities, Text Clustering>
+<Spam Detection, connectedTo, Regular Expressions for Text>
+<Text Clustering, cleans_data, Chatbot Development>
diff --git a/train/diagrams/easy/diagrams_880.dot b/train/diagrams/easy/diagrams_880.dot
new file mode 100644
index 0000000000000000000000000000000000000000..98195cc9c9f5515470b4fa84d06a7d4c9e109e1b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_880.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Opinion Mining" color="#CDDC39" fillcolor="#E6EE9C" shape=rectangle style=filled]
+	N1 [label="Legal Document Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+	N2 [label="Patent Analysis" color="#FFF8A6" fillcolor="#FFFDE0" shape=database style=filled]
+	N3 [label="Concept Extraction" color="#388E3C" fillcolor="#C8E6C9" shape=rect style=filled]
+	N4 [label="Customer Feedback Analysis" color="#FFF8A6" fillcolor="#FFFDE0" shape=predefinedprocess style=filled]
+	N5 [label="News Article Analysis" color="#FFF8A6" fillcolor="#FFFDE0" shape=action style=filled]
+	N6 [label="Text Visualization" color="#388E3C" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N7 [label="Deep Learning for NLP" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N8 [label="Language Translation for Text Mining" color="#388E3C" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N9 [label="Text Preprocessing" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N10 [label="Lemmatization or Stemming" color="#CDDC39" fillcolor="#E6EE9C" shape=database style=filled]
+	N0 -> N1 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed label="applies" dir=forward]
+	N3 -> N4 [color="#FFF8A6" penwidth=1.5 style=solid label="recommends" dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="categorizes" dir=forward]
+	N5 -> N6 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=dashed label="visualizes" dir=forward]
+	N7 -> N8 [color="#CDDC39" penwidth=1.5 style=solid label="relationships" dir=forward]
+	N8 -> N9 [color="#388E3C" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N9 -> N10 [color="#388E3C" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N7 -> N4 [color="#388E3C" penwidth=1.5 style=solid label="clusters" dir=forward]
+	N3 -> N9 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_880.txt b/train/diagrams/easy/diagrams_880.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3cdd2af7114456a37d691bb184f6d1ff64075f05
--- /dev/null
+++ b/train/diagrams/easy/diagrams_880.txt
@@ -0,0 +1,12 @@
+<Concept Extraction, connectedTo, Text Preprocessing>
+<Concept Extraction, recommends, Customer Feedback Analysis>
+<Customer Feedback Analysis, categorizes, News Article Analysis>
+<Deep Learning for NLP, clusters, Customer Feedback Analysis>
+<Deep Learning for NLP, relationships, Language Translation for Text Mining>
+<Language Translation for Text Mining, protects, Text Preprocessing>
+<Legal Document Analysis, connectedTo, Patent Analysis>
+<News Article Analysis, connectedTo, Text Visualization>
+<Opinion Mining, connectedTo, Legal Document Analysis>
+<Patent Analysis, applies, Concept Extraction>
+<Text Preprocessing, integrates, Lemmatization or Stemming>
+<Text Visualization, visualizes, Deep Learning for NLP>
diff --git a/train/diagrams/easy/diagrams_883.dot b/train/diagrams/easy/diagrams_883.dot
new file mode 100644
index 0000000000000000000000000000000000000000..469a72273e5088da1ccd663ca14e2a28d50cbda8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_883.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Data Governance for Twins" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N1 [label="Condition Monitoring" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N2 [label="Cyber_Physical Systems" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+	N3 [label="Aerospace Digital Twins" color="#73C6BC" fillcolor="#D0EFEE" shape=vnode_shape style=filled]
+	N4 [label="Remote Control Capabilities" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N5 [label="Interoperability Standards" color="#DCE775" fillcolor="#FCFCE7" shape=multipledocuments style=filled]
+	N6 [label="System Integration Architecture" color="#A188DB" fillcolor="#DED7F0" shape=vnode_shape style=filled]
+	N7 [label="Data Security for Digital Twins" color="#73C6BC" fillcolor="#D0EFEE" shape=action style=filled]
+	N8 [label="Automotive Digital Twins" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	N9 [label="Virtual Prototyping" color="#73C6BC" fillcolor="#D0EFEE" shape=action style=filled]
+	N10 [label="Historical Data Analysis" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+	N11 [label="Model Creation" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	N0 -> N1 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#73C6BC" penwidth=1.5 style=dashed label="troubleshoots" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=solid label="decision_supports" dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=dashed label="operations_streamlines" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="processes_improves" dir=forward]
+	N9 -> N10 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N6 [color="#A188DB" penwidth=1.5 style=dashed label="models" dir=forward]
+	N5 -> N10 [color="#000000" penwidth=1.5 style=solid label="AI_applies" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_886.dot b/train/diagrams/easy/diagrams_886.dot
new file mode 100644
index 0000000000000000000000000000000000000000..127d53dfc07d89ecee26cf7004928c32c230ec94
--- /dev/null
+++ b/train/diagrams/easy/diagrams_886.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Virtual Reality Interaction" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N1 [label="Performance Monitoring" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N2 [label="Cyber_Physical Systems" color="#92C79A" fillcolor="#E8F0EA" shape=preparation style=filled]
+	N3 [label="Asset Optimization" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N4 [label="Virtual Prototyping" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N5 [label="Real_Time Data Streaming" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N6 [label="Smart Manufacturing" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N7 [label="Building Information Modeling Integration" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N8 [label="Simulation Platform Development" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N9 [label="Risk Assessment" color="#66BB6A" fillcolor="#E8F5E9" shape=multipledocuments style=filled]
+	N10 [label="Data Governance for Twins" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N11 [label="Smart City Planning" color="#66BB6A" fillcolor="#E8F5E9" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#92C79A" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N2 -> N3 [color="#66BB6A" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="products_enhances" dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=solid label="validates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#92C79A" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=dashed label="models" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid label="sensors_connects" dir=forward]
+	N2 -> N0 [color="#607D8B" penwidth=1.5 style=dashed label="systems_optimizes" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_889.txt b/train/diagrams/easy/diagrams_889.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f525ad2c8c1f4efaf914d92bea3cf31604ee5dc2
--- /dev/null
+++ b/train/diagrams/easy/diagrams_889.txt
@@ -0,0 +1,12 @@
+<Automated Testing, connectedTo, Workflow Automation Platforms>
+<Business Process Management, tracks, Security for Automation Bots>
+<Business Rule Engines, connectedTo, Business Process Management>
+<Customer Service Automation, analyzes, Error Handling in Automation>
+<Document Processing Automation, integrates_systems, Security for Automation Bots>
+<Error Handling in Automation, approvals_manages, Document Processing Automation>
+<HR Process Automation, connectedTo, Scripting for Automation>
+<Intelligent Automation, notifications_sends, Natural Language Processing for Automation>
+<Natural Language Processing for Automation, connectedTo, Business Rule Engines>
+<Scripting for Automation, connectedTo, Intelligent Automation>
+<Security for Automation Bots, connectedTo, Automated Testing>
+<Workflow Automation Platforms, governs, HR Process Automation>
diff --git a/train/diagrams/easy/diagrams_890.txt b/train/diagrams/easy/diagrams_890.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c549fac41a310e14f79d367d6b74361a9efb532d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_890.txt
@@ -0,0 +1,10 @@
+<Automated Data Validation, connectedTo, Workflow Automation Platforms>
+<Compliance in Automation, secures, Optical Character Recognition for Automation>
+<Integration with Existing Systems, improves, Automated Data Validation>
+<Natural Language Processing for Automation, connectedTo, Scripting for Automation>
+<Optical Character Recognition for Automation, approvals_manages, Return on Investment Calculation>
+<Optical Character Recognition for Automation, connectedTo, API Automation>
+<Return on Investment Calculation, governs, Natural Language Processing for Automation>
+<Scripting for Automation, connectedTo, Integration with Existing Systems>
+<Workflow Analysis, streamlines, Compliance in Automation>
+<Workflow Automation Platforms, monitors, API Automation>
diff --git a/train/diagrams/easy/diagrams_897.dot b/train/diagrams/easy/diagrams_897.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7153d015ae25293fa0363231e852db4640f53189
--- /dev/null
+++ b/train/diagrams/easy/diagrams_897.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Inspection Procedures" color="#81C784" fillcolor="#F1F8E9" shape=rect style=filled]
+	N1 [label="Continuous Improvement" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N2 [label="Measurement System Analysis" color="#81C784" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N3 [label="Non_Destructive Testing" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N4 [label="Regulatory Compliance for Quality" color="#9575CD" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N5 [label="Quality Control Tools" color="#4FC3F7" fillcolor="#E1F5FE" shape=document style=filled]
+	N6 [label="Sampling Plans" color="#4FC3F7" fillcolor="#E1F5FE" shape=action style=filled]
+	N7 [label="Quality Planning" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N8 [label="Corrective and Preventive Actions" color="#9575CD" fillcolor="#EDE7F6" shape=document style=filled]
+	N9 [label="ISO Certification" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N10 [label="Quality Standards Development" color="#9575CD" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=dashed label="customer_satisfaction_ensures" dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=solid label="root_causes_analyzes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="standards_sets" dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N5 -> N6 [color="#81C784" penwidth=1.5 style=solid label="consults" dir=forward]
+	N6 -> N7 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N7 -> N2 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_897.txt b/train/diagrams/easy/diagrams_897.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d4484bf9f3c447664ec4a33e0f267791c106000b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_897.txt
@@ -0,0 +1,11 @@
+<Continuous Improvement, customer_satisfaction_ensures, Measurement System Analysis>
+<Corrective and Preventive Actions, connectedTo, ISO Certification>
+<ISO Certification, connectedTo, Quality Standards Development>
+<Inspection Procedures, connectedTo, Continuous Improvement>
+<Measurement System Analysis, root_causes_analyzes, Non_Destructive Testing>
+<Non_Destructive Testing, standards_sets, Regulatory Compliance for Quality>
+<Quality Control Tools, consults, Sampling Plans>
+<Quality Planning, connectedTo, Corrective and Preventive Actions>
+<Quality Planning, connectedTo, Measurement System Analysis>
+<Regulatory Compliance for Quality, tests, Quality Control Tools>
+<Sampling Plans, connectedTo, Quality Planning>
diff --git a/train/diagrams/easy/diagrams_898.txt b/train/diagrams/easy/diagrams_898.txt
new file mode 100644
index 0000000000000000000000000000000000000000..846b02e006d65f949c6c139e13f49cca9c353282
--- /dev/null
+++ b/train/diagrams/easy/diagrams_898.txt
@@ -0,0 +1,12 @@
+<Continuous Improvement, connectedTo, Service Quality Management>
+<Metrology, personnel_trains, Quality Control Tools>
+<Non_Conformance Management, risk_manages, Pharmaceutical Quality Control>
+<Non_Conformance Management, standards_sets, Quality Management Systems>
+<Pharmaceutical Quality Control, connectedTo, Supplier Audits>
+<Process Monitoring, connectedTo, Metrology>
+<Process Monitoring, customer_satisfaction_ensures, Quality Management Systems>
+<Quality Control Tools, connectedTo, Non_Conformance Management>
+<Quality Management Systems, connectedTo, Metrology>
+<Quality Planning, connectedTo, Continuous Improvement>
+<Service Quality Management, connectedTo, Audit Planning>
+<Supplier Audits, complies, Quality Planning>
diff --git a/train/diagrams/easy/diagrams_899.dot b/train/diagrams/easy/diagrams_899.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4ee1a161e01bdaa20bca32f98ad0d900408b2cba
--- /dev/null
+++ b/train/diagrams/easy/diagrams_899.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Quality Data Analysis" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N1 [label="ISO Certification" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N2 [label="Process Monitoring" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N3 [label="Component Inspection" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N4 [label="Non_Conformance Management" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N5 [label="Non_Destructive Testing" color="#E0E0E0" fillcolor="#EBEBEB" shape=rect style=filled]
+	N6 [label="Food Safety Quality Control" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N7 [label="Risk_Based Quality Control" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N8 [label="Testing Methods" color="#F7BEE0" fillcolor="#FAEBF3" shape=preparation style=filled]
+	N9 [label="Quality Control Tools" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+	N10 [label="Hardware Quality Testing" color="#E0E0E0" fillcolor="#EBEBEB" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed label="improves" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=solid label="analyzes_data" dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=solid label="products_evaluates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#E0E0E0" penwidth=1.5 style=solid label="risk_manages" dir=forward]
+	N9 -> N10 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N9 -> N8 [color="#000000" penwidth=1.5 style=solid label="preventive_actions_applies" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_902.txt b/train/diagrams/easy/diagrams_902.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ee4d7357db76f326115b0db94d8ca6fee151c54f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_902.txt
@@ -0,0 +1,12 @@
+<Defect Detection, analyzes_data, Software Quality Assurance>
+<Defect Detection, connectedTo, Process Monitoring>
+<Non_Destructive Testing, waste_reduces, Continuous Improvement>
+<Process Monitoring, processes_defines, Quality Management Systems>
+<Quality Management Systems, connectedTo, Regulatory Compliance for Quality>
+<Regulatory Compliance for Quality, advises, Defect Detection>
+<Regulatory Compliance for Quality, consults, Six Sigma Methodologies>
+<Root Cause Analysis, standards_sets, Process Monitoring>
+<Sampling Plans, connectedTo, Non_Destructive Testing>
+<Six Sigma Methodologies, develops, Defect Detection>
+<Software Quality Assurance, validates, Total Quality Management>
+<Total Quality Management, connectedTo, Sampling Plans>
diff --git a/train/diagrams/easy/diagrams_903.dot b/train/diagrams/easy/diagrams_903.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d9b0b58ac8696c49a69724af0be2b5cce143371
--- /dev/null
+++ b/train/diagrams/easy/diagrams_903.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Pharmaceutical Quality Control" color="#66BB6A" fillcolor="#E8F5E9" shape=parallelogram style=filled]
+	N1 [label="Hardware Quality Testing" color="#388E3C" fillcolor="#C8E6C9" shape=rect style=filled]
+	N2 [label="Trend Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N3 [label="X_ray Inspection" color="#66BB6A" fillcolor="#E8F5E9" shape=multipledocuments style=filled]
+	N4 [label="Corrective and Preventive Actions" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	N5 [label="Root Cause Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N6 [label="Statistical Process Control" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N7 [label="Non_Destructive Testing" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N8 [label="Quality Data Analysis" color="#73C6BC" fillcolor="#D0EFEE" shape=rectangle style=filled]
+	N9 [label="Metrology" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N10 [label="Component Inspection" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N0 -> N1 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N2 -> N3 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#73C6BC" penwidth=1.5 style=solid label="root_causes_analyzes" dir=forward]
+	N5 -> N6 [color="#73C6BC" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#66BB6A" penwidth=1.5 style=dashed label="systems_controls" dir=forward]
+	N8 -> N9 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+	N0 -> N6 [color="#000000" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N5 -> N0 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_905.dot b/train/diagrams/easy/diagrams_905.dot
new file mode 100644
index 0000000000000000000000000000000000000000..200d4d7c33b3c2561de95c5bd8861b42adf21665
--- /dev/null
+++ b/train/diagrams/easy/diagrams_905.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Testing ERP Modules" color="#C0CA33" fillcolor="#F9FBE7" shape=document style=filled]
+	N1 [label="Master Data Management" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N2 [label="Security Management" color="#C0CA33" fillcolor="#F9FBE7" shape=document style=filled]
+	N3 [label="Integration with Other Systems" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N4 [label="Data Governance" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N5 [label="System Configuration" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N6 [label="Compliance Reporting" color="#C0CA33" fillcolor="#F9FBE7" shape=inputoutput style=filled]
+	N7 [label="Sales and Distribution" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N8 [label="User Acceptance Testing" color="#C0CA33" fillcolor="#F9FBE7" shape=action style=filled]
+	N9 [label="Asset Management" color="#C0CA33" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N10 [label="Financial Management" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N11 [label="Project Management" color="#C0CA33" fillcolor="#F9FBE7" shape=action style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N1 -> N2 [color="#C0CA33" penwidth=1.5 style=solid label="manufacturing_manages" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#C0CA33" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="analytics_provides" dir=forward]
+	N6 -> N7 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#BDBDBD" penwidth=1.5 style=solid label="secures" dir=forward]
+	N9 -> N10 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#BDBDBD" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N4 -> N7 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_907.txt b/train/diagrams/easy/diagrams_907.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6cfc03db8a2eff1aff180e948454095039d87994
--- /dev/null
+++ b/train/diagrams/easy/diagrams_907.txt
@@ -0,0 +1,11 @@
+<Business Intelligence Integration, connectedTo, Workflow Automation in ERP>
+<Business Process Re_engineering, inventories_manages, Data Governance>
+<Customization, connectedTo, Workflow Automation in ERP>
+<Customization, plans, Master Data Management>
+<ERP System Selection, manages, System Upgrade>
+<Integration with Other Systems, connectedTo, Customization>
+<Master Data Management, connectedTo, Module Implementation>
+<Module Implementation, integrates, Business Intelligence Integration>
+<Security Management, configures, Integration with Other Systems>
+<System Upgrade, connectedTo, Security Management>
+<Workflow Automation in ERP, connectedTo, Business Process Re_engineering>
diff --git a/train/diagrams/easy/diagrams_908.txt b/train/diagrams/easy/diagrams_908.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dd4bbd9430e63291d08a404aa88a3f404a1d3b4e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_908.txt
@@ -0,0 +1,8 @@
+<Customization, connectedTo, On_Premise ERP Solutions>
+<Human Capital Management, supports, Post_Go_Live Support>
+<Master Data Management, connectedTo, Troubleshooting and Support>
+<Master Data Management, customizes, Reporting and Analytics>
+<On_Premise ERP Solutions, connectedTo, System Configuration>
+<Reporting and Analytics, tracks, Master Data Management>
+<System Configuration, streamlines, Human Capital Management>
+<Troubleshooting and Support, forecasts, Customization>
diff --git a/train/diagrams/easy/diagrams_909.txt b/train/diagrams/easy/diagrams_909.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ecbfb26b8c3d4ac287c96d4bf7e800dceddd559f
--- /dev/null
+++ b/train/diagrams/easy/diagrams_909.txt
@@ -0,0 +1,9 @@
+<Asset Management, connectedTo, Customization>
+<Cloud ERP Deployment, cloud_deploys, Security Management>
+<Cloud ERP Deployment, connectedTo, Customization>
+<On_Premise ERP Solutions, plans, Cloud ERP Deployment>
+<Performance Optimization, connectedTo, Supply Chain Management>
+<Security Management, audits, Asset Management>
+<Security Management, streamlines, Performance Optimization>
+<Supply Chain Management, connectedTo, Asset Management>
+<Testing ERP Modules, analytics_provides, On_Premise ERP Solutions>
diff --git a/train/diagrams/easy/diagrams_912.txt b/train/diagrams/easy/diagrams_912.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c614cd33364f4446df41c2ea6ec8f49075896fbf
--- /dev/null
+++ b/train/diagrams/easy/diagrams_912.txt
@@ -0,0 +1,12 @@
+<Cloud ERP Deployment, connectedTo, Customer Relationship Management>
+<Cloud ERP Deployment, dashboards_generates, Manufacturing Operations>
+<Compliance Reporting, order_processes, Hybrid ERP Models>
+<Customer Relationship Management, budgets, Compliance Reporting>
+<Data Migration, connectedTo, Implementation Roadmap Development>
+<Hybrid ERP Models, connectedTo, Business Process Re_engineering>
+<Implementation Roadmap Development, connectedTo, Mobile ERP Access>
+<Manufacturing Operations, HR_manages, Customer Relationship Management>
+<Mobile ERP Access, connectedTo, System Configuration>
+<Sales and Distribution, manufacturing_manages, Data Migration>
+<System Configuration, data_centralizes, User Acceptance Testing>
+<User Acceptance Testing, connectedTo, Cloud ERP Deployment>
diff --git a/train/diagrams/easy/diagrams_913.dot b/train/diagrams/easy/diagrams_913.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b093b839447fe4e8a62baa179c7cd727c6d85cb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_913.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Automated Farm Machinery" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N1 [label="AI for Crop Disease Detection" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N2 [label="Sensor Deployment" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N3 [label="Herd Health Monitoring" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N4 [label="Big Data Analytics for Farms" color="#92C79A" fillcolor="#E8F0EA" shape=predefinedprocess style=filled]
+	N5 [label="Farm Data Integration" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N6 [label="Geographic Information Systems for Farms" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N7 [label="Smart Livestock Monitoring" color="#AED581" fillcolor="#F0F4C3" shape=rectangle style=filled]
+	N8 [label="Farm Robotics" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed label="sprays" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FBC02D" penwidth=1.5 style=dashed label="waste_reduces" dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#92C79A" penwidth=1.5 style=dashed label="sensors_deploys" dir=forward]
+	N6 -> N7 [color="#92C79A" penwidth=1.5 style=dashed label="harvests" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed label="machine_learning_uses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_914.dot b/train/diagrams/easy/diagrams_914.dot
new file mode 100644
index 0000000000000000000000000000000000000000..97df0574059abc874560fc8278a8bcebe925e58d
--- /dev/null
+++ b/train/diagrams/easy/diagrams_914.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Blockchain for Agri_Supply Chain" color="#FFC107" fillcolor="#FFECB3" shape=diamond style=filled]
+	N1 [label="Weather Station Data Integration" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N2 [label="Digital Soil Mapping" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N3 [label="Sustainability Metrics Tracking" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N4 [label="Farm Data Integration" color="#94C0C0" fillcolor="#CADEDE" shape=rectangle style=filled]
+	N5 [label="Automated Farm Machinery" color="#94C0C0" fillcolor="#CADEDE" shape=multipledocuments style=filled]
+	N6 [label="Livestock Feeding Automation" color="#94C0C0" fillcolor="#CADEDE" shape=rectangle style=filled]
+	N7 [label="Supply Chain Traceability" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N8 [label="Variable Rate Application" color="#FFC107" fillcolor="#FFECB3" shape=diamond style=filled]
+	N0 -> N1 [color="#FFC107" penwidth=1.5 style=solid label="blockchain_traces" dir=forward]
+	N1 -> N2 [color="#2196F3" penwidth=1.5 style=solid label="machine_learning_uses" dir=forward]
+	N2 -> N3 [color="#94C0C0" penwidth=1.5 style=solid label="risk_manages" dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid label="complies" dir=forward]
+	N4 -> N5 [color="#94C0C0" penwidth=1.5 style=solid label="fertilizes" dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N6 -> N7 [color="#94C0C0" penwidth=1.5 style=dashed label="AI_applies" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N5 -> N4 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_915.dot b/train/diagrams/easy/diagrams_915.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c5cae81641b479652e7d20540b3a98d3ea3484f8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_915.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Smart Livestock Monitoring" color="#4285F4" fillcolor="#D0E0F8" shape=vnode_shape style=filled]
+	N1 [label="Digital Soil Mapping" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N2 [label="Smart Greenhouses" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N3 [label="Farm Management Software" color="#03A9F4" fillcolor="#B3E5FC" shape=parallelogram style=filled]
+	N4 [label="Vertical Farming Technology" color="#4285F4" fillcolor="#D0E0F8" shape=rectangle style=filled]
+	N5 [label="Sensor Deployment" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N6 [label="Weather Station Data Integration" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N7 [label="Big Data Analytics for Farms" color="#FF5722" fillcolor="#FFCCBC" shape=rect style=filled]
+	N0 -> N1 [color="#4285F4" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=solid label="resource_efficiency_improves" dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=solid label="IoT_integrates" dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#03A9F4" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N6 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_915.txt b/train/diagrams/easy/diagrams_915.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a60e23cf08e46acff73473f3e6877164563a1264
--- /dev/null
+++ b/train/diagrams/easy/diagrams_915.txt
@@ -0,0 +1,8 @@
+<Digital Soil Mapping, resource_efficiency_improves, Smart Greenhouses>
+<Farm Management Software, IoT_integrates, Vertical Farming Technology>
+<Sensor Deployment, connectedTo, Weather Station Data Integration>
+<Smart Greenhouses, connectedTo, Farm Management Software>
+<Smart Livestock Monitoring, visualizes, Digital Soil Mapping>
+<Vertical Farming Technology, connectedTo, Sensor Deployment>
+<Weather Station Data Integration, complies, Big Data Analytics for Farms>
+<Weather Station Data Integration, connectedTo, Sensor Deployment>
diff --git a/train/diagrams/easy/diagrams_920.dot b/train/diagrams/easy/diagrams_920.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0f9a8fc9e33990e39869f275efe71d745e00b0be
--- /dev/null
+++ b/train/diagrams/easy/diagrams_920.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Herd Health Monitoring" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N1 [label="Vertical Farming Technology" color="#BA68C8" fillcolor="#F3E5F5" shape=action style=filled]
+	N2 [label="Market Price Forecasting" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+	N3 [label="Farm Robotics" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N4 [label="Carbon Farming Initiatives" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N5 [label="Farm Data Integration" color="#AED581" fillcolor="#F0F4C3" shape=database style=filled]
+	N6 [label="Yield Mapping" color="#AED581" fillcolor="#F0F4C3" shape=preparation style=filled]
+	N7 [label="Forestry Management with Digital Tools" color="#AED581" fillcolor="#F0F4C3" shape=document style=filled]
+	N8 [label="Drone Monitoring" color="#F44336" fillcolor="#FFCDD2" shape=action style=filled]
+	N0 -> N1 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=dashed label="feeds" dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=dashed label="produces_safely" dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=solid label="manages_irrigation" dir=forward]
+	N4 -> N5 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=dashed label="analyzes_data" dir=forward]
+	N6 -> N7 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N5 [color="#AED581" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N5 -> N4 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_922.txt b/train/diagrams/easy/diagrams_922.txt
new file mode 100644
index 0000000000000000000000000000000000000000..566fee03950d1d8470c15d3a9091b6dd2b3b637e
--- /dev/null
+++ b/train/diagrams/easy/diagrams_922.txt
@@ -0,0 +1,11 @@
+<Content Creation, advertises, Fan Community Building>
+<Content Creation, financial_advises, Talent Representation>
+<Esports Analytics, organizes, Game Strategy Development>
+<Fan Community Building, manages, Ticketing Sales>
+<Game Server Management, connectedTo, Esports Analytics>
+<Game Strategy Development, connectedTo, Media Rights Negotiation>
+<Legal Advisory for Esports, monetizes, Content Creation>
+<Media Rights Negotiation, broadcasts, Fan Community Building>
+<Sponsorship Acquisition, audiences_engages, Legal Advisory for Esports>
+<Ticketing Sales, connectedTo, Sponsorship Acquisition>
+<Venue Setup, connectedTo, Game Server Management>
diff --git a/train/diagrams/easy/diagrams_923.dot b/train/diagrams/easy/diagrams_923.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3f27f61dea6993e935bb5c2cb959426a348e006c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_923.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Gaming Hardware Optimization" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N1 [label="Nutrition for Esports Athletes" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N2 [label="Game Server Management" color="#388E3C" fillcolor="#F1F8E9" shape=database style=filled]
+	N3 [label="Venue Setup" color="#C0CA33" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N4 [label="Media Rights Negotiation" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N5 [label="Esports Education Programs" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N6 [label="Esports Analytics" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N7 [label="Mental Health Support for Players" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N8 [label="Network Infrastructure for Tournaments" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N9 [label="Anti_Cheat Measures" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N10 [label="Content Creation" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N11 [label="Event Broadcasting" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N0 -> N1 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#C0CA33" penwidth=1.5 style=dashed label="teams_forms" dir=forward]
+	N2 -> N3 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=solid label="performance_optimizes" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="monetizes" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid label="communities_fosters" dir=forward]
+	N9 -> N10 [color="#388E3C" penwidth=1.5 style=solid label="streams" dir=forward]
+	N10 -> N11 [color="#00BCD4" penwidth=1.5 style=dashed label="platforms_develops" dir=forward]
+	N10 -> N8 [color="#C0CA33" penwidth=1.5 style=solid label="sponsors" dir=forward]
+	N5 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_925.txt b/train/diagrams/easy/diagrams_925.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60996b3ec5fdafb1968697e690c484b4ab04d14c
--- /dev/null
+++ b/train/diagrams/easy/diagrams_925.txt
@@ -0,0 +1,8 @@
+<Broadcast Technology for Esports, connectedTo, Gaming Hardware Optimization>
+<Broadcast Technology for Esports, connectedTo, Performance Analysis>
+<Coaching Staff Management, connectedTo, Talent Representation>
+<Esports Team Ownership, connectedTo, Sponsorship Acquisition>
+<Nutrition for Esports Athletes, partners, Broadcast Technology for Esports>
+<Performance Analysis, financial_advises, Coaching Staff Management>
+<Sponsorship Acquisition, audiences_engages, Nutrition for Esports Athletes>
+<Talent Representation, game_analyzes, Gaming Hardware Optimization>
diff --git a/train/diagrams/easy/diagrams_926.dot b/train/diagrams/easy/diagrams_926.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9d3e71628298cf95344e4564c3fb01f0a50f9728
--- /dev/null
+++ b/train/diagrams/easy/diagrams_926.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Gaming Hardware Optimization" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N1 [label="Game Publisher Relations" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N2 [label="Training Regimen" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+	N3 [label="Content Creation" color="#FFCC7A" fillcolor="#FFF6D9" shape=preparation style=filled]
+	N4 [label="Performance Analysis" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N5 [label="League Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N6 [label="Gambling and Betting Regulation" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N7 [label="Venue Setup" color="#61CAC3" fillcolor="#C2E8E6" shape=vnode_shape style=filled]
+	N8 [label="Ticketing Sales" color="#FFF9AE" fillcolor="#FFFCE6" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=dashed label="broadcasts" dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=solid label="competes" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="creates_experiences" dir=forward]
+	N6 -> N7 [color="#FFCC7A" penwidth=1.5 style=dashed label="plays" dir=forward]
+	N7 -> N8 [color="#61CAC3" penwidth=1.5 style=solid label="platforms_develops" dir=forward]
+	N0 -> N3 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_927.dot b/train/diagrams/easy/diagrams_927.dot
new file mode 100644
index 0000000000000000000000000000000000000000..496bc239a7fe08c526c42a097e28a4151fa4c729
--- /dev/null
+++ b/train/diagrams/easy/diagrams_927.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Game Strategy Development" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Nutrition for Esports Athletes" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N2 [label="Esports Education Programs" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N3 [label="League Management" color="#388E3C" fillcolor="#C8E6C9" shape=rect style=filled]
+	N4 [label="Sponsorship Acquisition" color="#388E3C" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N5 [label="Team Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N6 [label="Social Media Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=rect style=filled]
+	N7 [label="Legal Advisory for Esports" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N8 [label="Broadcast Technology for Esports" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N9 [label="Performance Analysis" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N10 [label="Game Server Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=rectangle style=filled]
+	N0 -> N1 [color="#BDAFA8" penwidth=1.5 style=solid label="creates_experiences" dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=dashed label="coaches" dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="teams_forms" dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=dashed label="communities_fosters" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="rules_enforces" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N2 [color="#388E3C" penwidth=1.5 style=solid label="salaries_manages" dir=forward]
+	N0 -> N6 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_927.txt b/train/diagrams/easy/diagrams_927.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da2501bccbb6aa31e9ee2dad334aaee3c69f2ac3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_927.txt
@@ -0,0 +1,12 @@
+<Broadcast Technology for Esports, rules_enforces, Performance Analysis>
+<Esports Education Programs, connectedTo, League Management>
+<Game Server Management, salaries_manages, Esports Education Programs>
+<Game Strategy Development, connectedTo, Social Media Management>
+<Game Strategy Development, creates_experiences, Nutrition for Esports Athletes>
+<League Management, coaches, Sponsorship Acquisition>
+<Legal Advisory for Esports, communities_fosters, Broadcast Technology for Esports>
+<Nutrition for Esports Athletes, manages, Esports Education Programs>
+<Performance Analysis, connectedTo, Game Server Management>
+<Social Media Management, teams_forms, Legal Advisory for Esports>
+<Sponsorship Acquisition, connectedTo, Team Management>
+<Team Management, connectedTo, Social Media Management>
diff --git a/train/diagrams/easy/diagrams_929.dot b/train/diagrams/easy/diagrams_929.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ce9ca0f33f895dac9a0adf9bc1bc90104e5b1b97
--- /dev/null
+++ b/train/diagrams/easy/diagrams_929.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Neural Network Analysis" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	N1 [label="Neurodegenerative Disease Research" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N2 [label="Neurotransmitter Research" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	N3 [label="Transcranial Magnetic Stimulation" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N4 [label="Learning Mechanisms Study" color="#9FA9E1" fillcolor="#D6D9F0" shape=multipledocuments style=filled]
+	N5 [label="Neurological Disorder Diagnosis" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+	N6 [label="Spike Train Analysis" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N7 [label="Computational Neuroscience" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N8 [label="Drug Development for Brain Disorders" color="#9FA9E1" fillcolor="#D6D9F0" shape=predefinedprocess style=filled]
+	N9 [label="Consciousness Studies" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N10 [label="Molecular Neuroscience" color="#F7BEE0" fillcolor="#FAEBF3" shape=rect style=filled]
+	N11 [label="Neuroprosthetics" color="#F7BEE0" fillcolor="#FAEBF3" shape=rectangle style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="circuits_understands" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="brains_explores" dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=solid label="researches" dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=dashed label="ethical_considers" dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed label="discovers" dir=forward]
+	N7 -> N8 [color="#F7BEE0" penwidth=1.5 style=solid label="data_collects" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N2 [color="#9FA9E1" penwidth=1.5 style=dashed label="observes" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_934.dot b/train/diagrams/easy/diagrams_934.dot
new file mode 100644
index 0000000000000000000000000000000000000000..caca2b85a8541e8fdff6ffac8382f97333c062e3
--- /dev/null
+++ b/train/diagrams/easy/diagrams_934.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Learning Mechanisms Study" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N1 [label="Genetic Basis of Brain Disorders" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N2 [label="Electrophysiology" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N3 [label="Consciousness Studies" color="#73C6BC" fillcolor="#D0EFEE" shape=action style=filled]
+	N4 [label="Optogenetics" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N5 [label="Cognitive Neuroscience" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N6 [label="Sensory Perception Research" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N7 [label="Deep Brain Stimulation" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=solid label="circuits_understands" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid label="brains_explores" dir=forward]
+	N3 -> N4 [color="#73C6BC" penwidth=1.5 style=dashed label="neurons_investigates" dir=forward]
+	N4 -> N5 [color="#3F51B5" penwidth=1.5 style=solid label="behavior_links" dir=forward]
+	N5 -> N6 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N6 -> N1 [color="#3F51B5" penwidth=1.5 style=solid label="diseases_diagnoses" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_939.dot b/train/diagrams/easy/diagrams_939.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8d5e563dd0a7101d1233f24a8ac020afff5044f1
--- /dev/null
+++ b/train/diagrams/easy/diagrams_939.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Remote Sensing for Heritage" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+	N1 [label="Historical Research" color="#A1D7CD" fillcolor="#EDF5F3" shape=predefinedprocess style=filled]
+	N2 [label="Disaster Preparedness for Heritage" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N3 [label="Augmented Reality Tours" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N4 [label="Repatriation of Artifacts" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N5 [label="Conservation Science" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N6 [label="Heritage Impact Assessment" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N7 [label="3D Scanning of Artifacts" color="#E57373" fillcolor="#FFEBEE" shape=vnode_shape style=filled]
+	N8 [label="Traditional Knowledge Documentation" color="#BDBDBD" fillcolor="#F5F5F5" shape=database style=filled]
+	N9 [label="Heritage Site Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#E57373" penwidth=1.5 style=dashed label="languages_revitalizes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="narrates" dir=forward]
+	N2 -> N3 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#BDBDBD" penwidth=1.5 style=dashed label="exhibits" dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=solid label="knowledge_transfers" dir=forward]
+	N6 -> N7 [color="#E57373" penwidth=1.5 style=dashed label="sites_surveys" dir=forward]
+	N7 -> N8 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N7 [color="#A1D7CD" penwidth=1.5 style=solid label="data_collects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_946.dot b/train/diagrams/easy/diagrams_946.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9ed9291803bf43533bd4749848e8ad77b444ea77
--- /dev/null
+++ b/train/diagrams/easy/diagrams_946.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Ethical Implications" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N1 [label="Modular Biology Design" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N2 [label="DNA Synthesis" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N3 [label="Sustainable Chemical Production" color="#C2B2F0" fillcolor="#EFE6FF" shape=inputoutput style=filled]
+	N4 [label="Biocontainment Strategies" color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N5 [label="Cellular Reprogramming" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N6 [label="Directed Evolution Automation" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N7 [label="Synthetic Gene Networks" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N8 [label="Genome Engineering" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	N9 [label="Biofoundry Operations" color="#90A4AE" fillcolor="#ECEFF1" shape=preparation style=filled]
+	N10 [label="Biofuel Production" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=solid label="educates" dir=forward]
+	N1 -> N2 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="ethical_considers" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N1 [color="#C2B2F0" penwidth=1.5 style=dashed label="clones" dir=forward]
+	N8 -> N1 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_947.txt b/train/diagrams/easy/diagrams_947.txt
new file mode 100644
index 0000000000000000000000000000000000000000..127e387a0f7bf5819507df754e6261c506074beb
--- /dev/null
+++ b/train/diagrams/easy/diagrams_947.txt
@@ -0,0 +1,13 @@
+<Artificial Cells, connectedTo, Microbial Factories>
+<Bio_computation, purifies, Gene Synthesis Platforms>
+<Biosensor Development, engineers, Diagnostic Tool Development>
+<Diagnostic Tool Development, DNA_sequences, Metabolic Pathway Engineering>
+<Gene Synthesis Platforms, connectedTo, Artificial Cells>
+<Genetic Circuit Design, builds, Synthetic Gene Networks>
+<Genome Engineering, connectedTo, Genetic Circuit Design>
+<Genome Engineering, educates, Biosensor Development>
+<High_Throughput Screening, connectedTo, Genome Engineering>
+<Metabolic Pathway Engineering, connectedTo, Sustainable Chemical Production>
+<Metabolic Pathway Engineering, diagnostics_creates, High_Throughput Screening>
+<Microbial Factories, connectedTo, High_Throughput Screening>
+<Sustainable Chemical Production, connectedTo, Bio_computation>
diff --git a/train/diagrams/easy/diagrams_95.dot b/train/diagrams/easy/diagrams_95.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ba412cf4e51c6de44f4f9a207e55335aac8ea7c8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_95.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Group Tour Coordination" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N1 [label="Museum Visit" color="#00BCD4" fillcolor="#B2EBF2" shape=preparation style=filled]
+	N2 [label="Cultural Immersion Program" color="#00BCD4" fillcolor="#B2EBF2" shape=database style=filled]
+	N3 [label="Trip Sharing" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N4 [label="Activity Booking" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N5 [label="Travel Blog Creation" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N6 [label="Tourist Information Desk" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N7 [label="Tour Guide Assignment" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N8 [label="Spa Appointment" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N9 [label="Airport Transfer" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N10 [label="Flight Booking" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N11 [label="Duty_Free Shopping" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="applies" dir=forward]
+	N1 -> N2 [color="#C2B2F0" penwidth=1.5 style=solid label="guides" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid label="assigns" dir=forward]
+	N3 -> N4 [color="#C2B2F0" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="entertains" dir=forward]
+	N5 -> N6 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="sustains" dir=forward]
+	N7 -> N8 [color="#C2B2F0" penwidth=1.5 style=solid label="discovers" dir=forward]
+	N8 -> N9 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="recommends" dir=forward]
+	N10 -> N11 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N10 [color="#00BCD4" penwidth=1.5 style=solid label="visits" dir=forward]
+	N9 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_957.txt b/train/diagrams/easy/diagrams_957.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c91df1c3bb65ac357a2576f341a32299aeb4c22
--- /dev/null
+++ b/train/diagrams/easy/diagrams_957.txt
@@ -0,0 +1,11 @@
+<Accessibility in EdTech, creates, Assessment Tools>
+<Assessment Tools, content_generates, Learning Design Principles>
+<Competency_Based Learning Platforms, connectedTo, Virtual Labs>
+<Curriculum Digitization, researches, Parent Engagement Tools>
+<E_Learning Platform Design, AI_applies, Formative Assessment Tools>
+<EdTech Hardware Solutions, connectedTo, Curriculum Digitization>
+<EdTech Hardware Solutions, connectedTo, Parent Engagement Tools>
+<Formative Assessment Tools, accessibility_ensures, Accessibility in EdTech>
+<Learning Design Principles, connectedTo, Competency_Based Learning Platforms>
+<Open Educational Resources, markets, EdTech Hardware Solutions>
+<Virtual Labs, connectedTo, Open Educational Resources>
diff --git a/train/diagrams/easy/diagrams_959.dot b/train/diagrams/easy/diagrams_959.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1cad2a61cf987e78d781861a8c87a47035dc5bad
--- /dev/null
+++ b/train/diagrams/easy/diagrams_959.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Online Tutoring Platforms" color="#2196F3" fillcolor="#BBDEFB" shape=action style=filled]
+	N1 [label="Accessibility in EdTech" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N2 [label="Virtual Reality in Education" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N3 [label="Social_Emotional Learning Tools" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N4 [label="Collaborative Learning Platforms" color="#2196F3" fillcolor="#BBDEFB" shape=document style=filled]
+	N5 [label="Educational Apps Development" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N6 [label="Blockchain for Educational Credentials" color="#2196F3" fillcolor="#BBDEFB" shape=rectangle style=filled]
+	N7 [label="Assessment Tools" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N0 -> N1 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF8A6" penwidth=1.5 style=solid label="administrators_assists" dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=solid label="tools_provides" dir=forward]
+	N5 -> N6 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N6 [color="#4DD0E1" penwidth=1.5 style=solid label="teachers_trains" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_96.dot b/train/diagrams/easy/diagrams_96.dot
new file mode 100644
index 0000000000000000000000000000000000000000..62eaff22225794efdf44d4f39f4329bd16feeee8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_96.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Adventure Sports Booking" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N1 [label="Hotel Check_in" color="#8C9EFF" fillcolor="#D3D7EB" shape=document style=filled]
+	N2 [label="Currency Exchange" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N3 [label="Destination Selection" color="#8C9EFF" fillcolor="#D3D7EB" shape=document style=filled]
+	N4 [label="Photo Capture" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+	N5 [label="Event Reservation" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N6 [label="Loyalty Program Enrollment" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N7 [label="Museum Visit" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N8 [label="Cultural Immersion Program" color="#FFF9AE" fillcolor="#FFFCE6" shape=multipledocuments style=filled]
+	N9 [label="Lost and Found Service" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N10 [label="Travel Insurance" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=solid label="sells" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="documents" dir=forward]
+	N3 -> N4 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid label="automates" dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=dashed label="collects feedback" dir=forward]
+	N7 -> N8 [color="#9FA9E1" penwidth=1.5 style=dashed label="checks in" dir=forward]
+	N8 -> N9 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N10 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N10 [color="#FFF9AE" penwidth=1.5 style=solid label="protects" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_96.txt b/train/diagrams/easy/diagrams_96.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31b72eb1669b2b6ee69aada399b8482eb2d24db8
--- /dev/null
+++ b/train/diagrams/easy/diagrams_96.txt
@@ -0,0 +1,12 @@
+<Adventure Sports Booking, connectedTo, Hotel Check_in>
+<Adventure Sports Booking, protects, Travel Insurance>
+<Cultural Immersion Program, connectedTo, Lost and Found Service>
+<Currency Exchange, connectedTo, Travel Insurance>
+<Currency Exchange, documents, Destination Selection>
+<Destination Selection, connectedTo, Photo Capture>
+<Event Reservation, automates, Loyalty Program Enrollment>
+<Hotel Check_in, sells, Currency Exchange>
+<Lost and Found Service, connectedTo, Travel Insurance>
+<Loyalty Program Enrollment, collects feedback, Museum Visit>
+<Museum Visit, checks in, Cultural Immersion Program>
+<Photo Capture, connectedTo, Event Reservation>
diff --git a/train/diagrams/easy/diagrams_960.txt b/train/diagrams/easy/diagrams_960.txt
new file mode 100644
index 0000000000000000000000000000000000000000..61578ac5a1fd26b1011401b56cce13a38b41f34b
--- /dev/null
+++ b/train/diagrams/easy/diagrams_960.txt
@@ -0,0 +1,13 @@
+<Adaptive Learning Systems, evaluates, Parent Engagement Tools>
+<Assessment Tools, connectedTo, Adaptive Learning Systems>
+<Assessment Tools, connectedTo, Collaborative Learning Platforms>
+<Blockchain for Educational Credentials, tools_provides, Cybersecurity for EdTech>
+<Collaborative Learning Platforms, connectedTo, Machine Learning for Learning Analytics>
+<Cybersecurity for EdTech, integrates, Open Educational Resources>
+<EdTech Hardware Solutions, adaptive_learning_enables, Assessment Tools>
+<Gamified Learning, AR or VR_uses, Personalized Learning Paths>
+<Machine Learning for Learning Analytics, connectedTo, Personalized Learning Paths>
+<Open Educational Resources, manages, Adaptive Learning Systems>
+<Parent Engagement Tools, audits, Student Performance Tracking>
+<Personalized Learning Paths, learning_gamifies, Gamified Learning>
+<Student Performance Tracking, implements, EdTech Hardware Solutions>
diff --git a/train/diagrams/easy/diagrams_97.dot b/train/diagrams/easy/diagrams_97.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7cd6cafb547cf3b6ef79fc592bfcd60c23f7b523
--- /dev/null
+++ b/train/diagrams/easy/diagrams_97.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Property Marketing" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N1 [label="Commercial Lease Negotiation" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N2 [label="Tenant Screening" color="#795548" fillcolor="#D7CCC8" shape=rectangle style=filled]
+	N3 [label="HOA Management" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N4 [label="Commission Distribution" color="#795548" fillcolor="#D7CCC8" shape=rectangle style=filled]
+	N5 [label="Closing Meeting" color="#795548" fillcolor="#D7CCC8" shape=multipledocuments style=filled]
+	N6 [label="Eviction Process" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N7 [label="Property Valuation" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=dashed label="zones" dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="invests" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N7 -> N2 [color="#795548" penwidth=1.5 style=solid label="registers" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_97.txt b/train/diagrams/easy/diagrams_97.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a56196876a6531c03cba5a6a139914823717d389
--- /dev/null
+++ b/train/diagrams/easy/diagrams_97.txt
@@ -0,0 +1,8 @@
+<Closing Meeting, invests, Eviction Process>
+<Commercial Lease Negotiation, connectedTo, Tenant Screening>
+<Commission Distribution, promotes, Closing Meeting>
+<Eviction Process, develops, Property Valuation>
+<HOA Management, zones, Commission Distribution>
+<Property Marketing, connectedTo, Commercial Lease Negotiation>
+<Property Valuation, registers, Tenant Screening>
+<Tenant Screening, connectedTo, HOA Management>
diff --git a/train/diagrams/easy/diagrams_99.dot b/train/diagrams/easy/diagrams_99.dot
new file mode 100644
index 0000000000000000000000000000000000000000..43616b6cc89bb3d62a4014e5ccbd5e1f32764ea6
--- /dev/null
+++ b/train/diagrams/easy/diagrams_99.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Maintenance Request" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N1 [label="Home Inspection" color="#42A5F5" fillcolor="#F1F8FF" shape=preparation style=filled]
+	N2 [label="Contract Review" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N3 [label="Escrow Setup" color="#AF56A6" fillcolor="#DDCEDD" shape=action style=filled]
+	N4 [label="Ownership Transfer" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N5 [label="Mortgage Application Assistance" color="#42A5F5" fillcolor="#F1F8FF" shape=document style=filled]
+	N6 [label="Property Listing" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N7 [label="Investment Property Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N8 [label="Tax Assessment" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N9 [label="Land Acquisition" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="invests" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=dashed label="signs" dir=forward]
+	N4 -> N5 [color="#AF56A6" penwidth=1.5 style=dashed label="reviews" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#4DB6AC" penwidth=1.5 style=dashed label="finalizes" dir=forward]
+	N8 -> N9 [color="#4DB6AC" penwidth=1.5 style=dashed label="rents" dir=forward]
+	N8 -> N2 [color="#000000" penwidth=1.5 style=solid label="advertises" dir=forward]
+}
\ No newline at end of file
diff --git a/train/diagrams/easy/diagrams_99.txt b/train/diagrams/easy/diagrams_99.txt
new file mode 100644
index 0000000000000000000000000000000000000000..282ee4e2b73eca74f06480f0f48fb053c14ab870
--- /dev/null
+++ b/train/diagrams/easy/diagrams_99.txt
@@ -0,0 +1,10 @@
+<Contract Review, connectedTo, Escrow Setup>
+<Escrow Setup, signs, Ownership Transfer>
+<Home Inspection, connectedTo, Contract Review>
+<Investment Property Analysis, finalizes, Tax Assessment>
+<Maintenance Request, invests, Home Inspection>
+<Mortgage Application Assistance, connectedTo, Property Listing>
+<Ownership Transfer, reviews, Mortgage Application Assistance>
+<Property Listing, connectedTo, Investment Property Analysis>
+<Tax Assessment, advertises, Contract Review>
+<Tax Assessment, rents, Land Acquisition>
diff --git a/train/mermaid/hard/mermaid_100.txt b/train/mermaid/hard/mermaid_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fd44146c5ef1b670702cc6cee1d1ac584152faba
--- /dev/null
+++ b/train/mermaid/hard/mermaid_100.txt
@@ -0,0 +1,37 @@
+<Agent Assignment, connectedTo, HOA Management>
+<Agent Assignment, partOf, Zoning Compliance>
+<Brokerage License Renewal, connectedTo, Document Signing>
+<Buyer Inquiry, connectedTo, Agent Assignment>
+<Buyer Inquiry, partOf, Zoning Compliance>
+<Closing Meeting, connectedTo, HOA Management>
+<Closing Meeting, partOf, Building Permit Application>
+<Commercial Lease Negotiation, connectedTo, Agent Assignment>
+<Commercial Lease Negotiation, connectedTo, Market Trend Analysis>
+<Document Signing, connectedTo, Title Check>
+<Escrow Setup, connectedTo, Maintenance Request>
+<Escrow Setup, connectedTo, Open House Event>
+<HOA Management, connectedTo, Escrow Setup>
+<HOA Management, connectedTo, Open House Event>
+<Home Inspection, connectedTo, Buyer Inquiry>
+<Home Inspection, partOf, Zoning Compliance>
+<Lease Renewal, connectedTo, Commercial Lease Negotiation>
+<Lease Renewal, connectedTo, Escrow Setup>
+<Lease Renewal, connectedTo, Site Visit Scheduling>
+<Maintenance Request, connectedTo, Rental Agreement>
+<Market Trend Analysis, connectedTo, Renovation Planning>
+<Open House Event, connectedTo, Price Negotiation>
+<Open House Event, partOf, Building Permit Application>
+<Price Negotiation, connectedTo, Closing Meeting>
+<Price Negotiation, partOf, Building Permit Application>
+<Property Marketing, partOf, Zoning Compliance>
+<Property Marketing, yes, Home Inspection>
+<Renovation Planning, connectedTo, Property Marketing>
+<Renovation Planning, connectedTo, Site Visit Scheduling>
+<Rental Agreement, connectedTo, Brokerage License Renewal>
+<Site Visit Scheduling, connectedTo, HOA Management>
+<Tax Assessment, connectedTo, Lease Renewal>
+<Tax Assessment, connectedTo, Maintenance Request>
+<Tax Assessment, connectedTo, Site Visit Scheduling>
+<start, connectedTo, Escrow Setup>
+<start, connectedTo, Site Visit Scheduling>
+<start, connectedTo, Tax Assessment>
diff --git a/train/mermaid/hard/mermaid_101.mmd b/train/mermaid/hard/mermaid_101.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b63822d6c841579e0f2bf66a6744ca94727d3145
--- /dev/null
+++ b/train/mermaid/hard/mermaid_101.mmd
@@ -0,0 +1,103 @@
+graph TD
+    N0([start])
+    N1(Tenant Screening)
+    N2(Closing Meeting)
+    N3[Document Signing]
+    N4[(Home Inspection)]
+    N5{HOA Management}
+    N6(Buyer Inquiry)
+    N7[(Market Trend Analysis)]
+    N8[Maintenance Request]
+    N9{Land Acquisition}
+    N10[/Property Appraisal/]
+    N11[[Investment Property Analysis]]
+    N12[(Eviction Process)]
+    S0(( ))
+    S1(( ))
+    M2(( ))
+    subgraph Brokerage License Renewal
+        nest0_0([Renovation Planning])
+        nest0_1([Property Tax Payment])
+        nest0_2[Virtual Tour Creation]
+        nest0_3(Site Visit Scheduling)
+    end
+    subgraph Lease Renewal
+        nest1_0[Escrow Setup]
+        nest1_1{Building Permit Application}
+        nest1_2{Property Insurance}
+        nest1_3(Price Negotiation)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N10 -.-> |no| nest0_0
+    nest0_3 --> N1
+    nest1_0 --> |yes| nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> |yes| nest1_3
+    N8 -.-> nest1_0
+    nest1_3 --> N3
+    N2 -.-> S0
+    S0 -.-> |no| N8
+    S0 --> N12
+    S0 -.-> N11
+    S0 --> N5
+    N2 --> S1
+    S1 -.-> N5
+    S1 --> N8
+    S1 -.-> N4
+    S1 --> N10
+    N3 --> M2
+    N7 --> M2
+    M2 -.-> N10
+    style S0 fill:#EDE7F6,stroke:#9575CD
+    style S1 fill:#EDE7F6,stroke:#9575CD
+    style M2 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#73C6BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_102.mmd b/train/mermaid/hard/mermaid_102.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..27024429266c55c30928b66b7efc6ef19146db30
--- /dev/null
+++ b/train/mermaid/hard/mermaid_102.mmd
@@ -0,0 +1,138 @@
+graph RL
+    N0([Commission Distribution])
+    N1[(Offer Submission)]
+    N2([Maintenance Request])
+    N3([Land Acquisition])
+    N4{Title Check}
+    N5[/Ownership Transfer/]
+    N6[[Property Appraisal]]
+    N7{Document Signing}
+    N8[[Investment Property Analysis]]
+    N9[/Market Trend Analysis/]
+    N10(Buyer Inquiry)
+    N11(Building Permit Application)
+    N12([Open House Event])
+    N13[/Property Valuation/]
+    N14(Site Visit Scheduling)
+    N15([Zoning Compliance])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Mortgage Application Assistance
+        nest0_0[Escrow Setup]
+        nest0_1[Contract Review]
+        nest0_2[(Closing Meeting)]
+        nest0_3(Virtual Tour Creation)
+    end
+    subgraph Agent Assignment
+        nest1_0{Property Marketing}
+        nest1_1[Loan Pre_Approval]
+        nest1_2[(Eviction Process)]
+        nest1_3{Lease Renewal}
+    end
+    N0 -.-> |constructs| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |secures| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> N15
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N4 --> nest0_0
+    nest0_3 --> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N13 -.-> nest1_0
+    nest1_3 --> N9
+    N5 --> S0
+    S0 -.-> N8
+    S0 --> N11
+    N3 -.-> S1
+    S1 -.-> N10
+    S1 --> N9
+    N1 -.-> |develops| M0
+    N6 --> |inspects| M0
+    N7 --> M0
+    M0 --> N10
+    N1 -.-> M1
+    N2 --> M1
+    M1 --> N4
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#CFD8DC,stroke:#607D8B
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#E8EAF6,stroke:#7986CB
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#E8EAF6,stroke:#7986CB
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#CFD8DC,stroke:#607D8B
+    style N9 fill:#FBE9E7,stroke:#FF8A65
+    style N10 fill:#E8EAF6,stroke:#7986CB
+    style N11 fill:#CFD8DC,stroke:#607D8B
+    style N12 fill:#E8EAF6,stroke:#7986CB
+    style N13 fill:#CFD8DC,stroke:#607D8B
+    style N14 fill:#CFD8DC,stroke:#607D8B
+    style N15 fill:#E8EAF6,stroke:#7986CB
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style S1 fill:#E8EAF6,stroke:#7986CB
+    style M0 fill:#E8EAF6,stroke:#7986CB
+    style M1 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_0 fill:#E8EAF6,stroke:#7986CB
+    style nest0_1 fill:#CFD8DC,stroke:#607D8B
+    style nest0_2 fill:#E8EAF6,stroke:#7986CB
+    style nest0_3 fill:#E8EAF6,stroke:#7986CB
+    style nest1_0 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_1 fill:#CFD8DC,stroke:#607D8B
+    style nest1_2 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_3 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_106.txt b/train/mermaid/hard/mermaid_106.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a2875be315b715ed67afb2e297875a518ac77af
--- /dev/null
+++ b/train/mermaid/hard/mermaid_106.txt
@@ -0,0 +1,29 @@
+<Crime Prevention Programs, connectedTo, K9 Unit Deployment>
+<Crime Scene Analysis, connectedTo, Crime Prevention Programs>
+<Crime Scene Analysis, connectedTo, K9 Unit Deployment>
+<Crime Scene Analysis, connectedTo, Rescue Coordination>
+<Crime Scene Analysis, connectedTo, Resource Allocation>
+<Cybersecurity Threat Response, connectedTo, Rescue Coordination>
+<Disaster Relief Coordination, connectedTo, Crime Prevention Programs>
+<Disaster Relief Coordination, connectedTo, Crime Scene Analysis>
+<Disaster Relief Coordination, connectedTo, Shelter Setup>
+<Emergency Dispatch, connectedTo, Witness Interview>
+<Emergency Dispatch, partOf, Hazard Detection>
+<First Aid Deployment, connectedTo, Crime Prevention Programs>
+<First Aid Deployment, partOf, Crowd Management>
+<Incident Command System Activation, connectedTo, First Aid Deployment>
+<Incident Command System Activation, partOf, Crowd Management>
+<K9 Unit Deployment, connectedTo, Shelter Setup>
+<Resource Allocation, connectedTo, Traffic Control>
+<Shelter Setup, connectedTo, Cybersecurity Threat Response>
+<Shelter Setup, connectedTo, Incident Command System Activation>
+<Surveillance Review, connectedTo, Emergency Dispatch>
+<Surveillance Review, partOf, Hazard Detection>
+<Traffic Control, connectedTo, Crime Prevention Programs>
+<Traffic Control, connectedTo, Cybersecurity Threat Response>
+<Traffic Control, connectedTo, Rescue Coordination>
+<Traffic Control, connectedTo, Surveillance Review>
+<Witness Interview, connectedTo, Cybersecurity Threat Response>
+<Witness Interview, partOf, Hazard Detection>
+<start, connectedTo, Disaster Relief Coordination>
+<start, connectedTo, Shelter Setup>
diff --git a/train/mermaid/hard/mermaid_107.mmd b/train/mermaid/hard/mermaid_107.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6c1e60ad3ea0aedad934f18be5f5fd445007c352
--- /dev/null
+++ b/train/mermaid/hard/mermaid_107.mmd
@@ -0,0 +1,156 @@
+graph TD
+    N0([start])
+    N1[(Law Enforcement Database Check)]
+    N2[Public Warning]
+    N3[Court Testimony]
+    N4(Shelter Setup)
+    N5[Surveillance Review]
+    N6(Incident Command System Activation)
+    N7(Traffic Control)
+    N8[Hostage Negotiation]
+    N9(Patrol Scheduling)
+    N10[Emergency Medical Service]
+    N11[First Aid Deployment]
+    N12[[Fire Suppression]]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Search and Rescue Operations
+        nest0_0[/Hazard Detection/]
+        nest0_1[[Public Safety Training]]
+        nest0_2[/Responder Alert/]
+        nest0_3[Resource Allocation]
+    end
+    subgraph Inmate Transport
+        nest1_0{K9 Unit Deployment}
+        nest1_1{Evidence Collection}
+        nest1_2[[Witness Interview]]
+        nest1_3[Incident Reporting]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> |reports| N12
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N6 -.-> nest0_0
+    nest0_3 --> N8
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N8 --> nest1_0
+    nest1_3 --> N11
+    N9 -.-> S0
+    S0 --> N12
+    S0 -.-> N11
+    N5 -.-> S1
+    S1 --> N8
+    S1 --> N7
+    S1 -.-> N12
+    S1 -.-> N11
+    N1 --> S2
+    S2 -.-> N9
+    S2 -.-> N5
+    S2 --> N3
+    N1 -.-> M0
+    N5 -.-> |drills| M0
+    N4 -.-> M0
+    N3 --> M0
+    M0 --> N7
+    N0 -.-> M1
+    N4 -.-> M1
+    N3 -.-> M1
+    M1 --> N8
+    N4 --> M2
+    N1 -.-> M2
+    N5 --> M2
+    N0 -.-> M2
+    M2 --> N7
+    style N0 fill:#E8EAF6,stroke:#5C6BC0
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#E8EAF6,stroke:#5C6BC0
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#E8EAF6,stroke:#5C6BC0
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#FFFCE6,stroke:#FFF9AE
+    style N8 fill:#FDFCEB,stroke:#EAEFA5
+    style N9 fill:#E8EAF6,stroke:#5C6BC0
+    style N10 fill:#FDFCEB,stroke:#EAEFA5
+    style N11 fill:#FDFCEB,stroke:#EAEFA5
+    style N12 fill:#E8EAF6,stroke:#5C6BC0
+    style S0 fill:#E8EAF6,stroke:#5C6BC0
+    style S1 fill:#E8EAF6,stroke:#5C6BC0
+    style S2 fill:#E8EAF6,stroke:#5C6BC0
+    style M0 fill:#FDFCEB,stroke:#EAEFA5
+    style M1 fill:#E8EAF6,stroke:#5C6BC0
+    style M2 fill:#FFFCE6,stroke:#FFF9AE
+    style nest0_0 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest0_2 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_3 fill:#FDFCEB,stroke:#EAEFA5
+    style nest1_0 fill:#FDFCEB,stroke:#EAEFA5
+    style nest1_1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest1_2 fill:#FFFCE6,stroke:#FFF9AE
+    style nest1_3 fill:#E8EAF6,stroke:#5C6BC0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 47 stroke:#FFF9AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_107.txt b/train/mermaid/hard/mermaid_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..113cf7be9f902e4598ca037256d5dd84f4043769
--- /dev/null
+++ b/train/mermaid/hard/mermaid_107.txt
@@ -0,0 +1,47 @@
+<Court Testimony, connectedTo, Hostage Negotiation>
+<Court Testimony, connectedTo, Shelter Setup>
+<Court Testimony, connectedTo, Traffic Control>
+<Emergency Medical Service, connectedTo, First Aid Deployment>
+<Evidence Collection, connectedTo, Witness Interview>
+<Evidence Collection, partOf, Inmate Transport>
+<First Aid Deployment, reports, Fire Suppression>
+<Hazard Detection, connectedTo, Public Safety Training>
+<Hazard Detection, partOf, Search and Rescue Operations>
+<Hostage Negotiation, connectedTo, K9 Unit Deployment>
+<Hostage Negotiation, connectedTo, Patrol Scheduling>
+<Incident Command System Activation, connectedTo, Hazard Detection>
+<Incident Command System Activation, connectedTo, Traffic Control>
+<Incident Reporting, connectedTo, First Aid Deployment>
+<Incident Reporting, partOf, Inmate Transport>
+<K9 Unit Deployment, connectedTo, Evidence Collection>
+<K9 Unit Deployment, partOf, Inmate Transport>
+<Law Enforcement Database Check, connectedTo, Court Testimony>
+<Law Enforcement Database Check, connectedTo, Patrol Scheduling>
+<Law Enforcement Database Check, connectedTo, Public Warning>
+<Law Enforcement Database Check, connectedTo, Surveillance Review>
+<Law Enforcement Database Check, connectedTo, Traffic Control>
+<Patrol Scheduling, connectedTo, Emergency Medical Service>
+<Patrol Scheduling, connectedTo, Fire Suppression>
+<Patrol Scheduling, connectedTo, First Aid Deployment>
+<Public Safety Training, connectedTo, Responder Alert>
+<Public Safety Training, partOf, Search and Rescue Operations>
+<Public Warning, connectedTo, Court Testimony>
+<Resource Allocation, connectedTo, Hostage Negotiation>
+<Resource Allocation, partOf, Search and Rescue Operations>
+<Responder Alert, connectedTo, Resource Allocation>
+<Responder Alert, partOf, Search and Rescue Operations>
+<Shelter Setup, connectedTo, Hostage Negotiation>
+<Shelter Setup, connectedTo, Surveillance Review>
+<Shelter Setup, connectedTo, Traffic Control>
+<Surveillance Review, connectedTo, Fire Suppression>
+<Surveillance Review, connectedTo, First Aid Deployment>
+<Surveillance Review, connectedTo, Hostage Negotiation>
+<Surveillance Review, connectedTo, Incident Command System Activation>
+<Surveillance Review, connectedTo, Traffic Control>
+<Surveillance Review, drills, Traffic Control>
+<Traffic Control, connectedTo, Hostage Negotiation>
+<Witness Interview, connectedTo, Incident Reporting>
+<Witness Interview, partOf, Inmate Transport>
+<start, connectedTo, Hostage Negotiation>
+<start, connectedTo, Law Enforcement Database Check>
+<start, connectedTo, Traffic Control>
diff --git a/train/mermaid/hard/mermaid_108.png b/train/mermaid/hard/mermaid_108.png
new file mode 100644
index 0000000000000000000000000000000000000000..261e3e09352c8d783de4edea268f195bcb3e9259
--- /dev/null
+++ b/train/mermaid/hard/mermaid_108.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f090d539e17637fa763d6889077465f42e95dcd5b3d1275d0e5d9b342b76644
+size 566812
diff --git a/train/mermaid/hard/mermaid_112.txt b/train/mermaid/hard/mermaid_112.txt
new file mode 100644
index 0000000000000000000000000000000000000000..48b4d9945122da5789914827fab067fa1a78ab55
--- /dev/null
+++ b/train/mermaid/hard/mermaid_112.txt
@@ -0,0 +1,29 @@
+<Community Outreach, drills, Crime Prevention Programs>
+<Community Outreach, educates, Court Testimony>
+<Community Outreach, partOf, Fire Suppression>
+<Court Testimony, connectedTo, Witness Interview>
+<Court Testimony, partOf, Fire Suppression>
+<Crime Prevention Programs, connectedTo, Shelter Setup>
+<Crowd Management, connectedTo, Responder Alert>
+<Crowd Management, partOf, Emergency Medical Service>
+<Forensic Analysis, connectedTo, Resource Allocation>
+<Incident Reporting, arrests, Forensic Analysis>
+<Incident Reporting, connectedTo, Shelter Setup>
+<Incident Reporting, partOf, Fire Suppression>
+<Resource Allocation, connectedTo, Crime Prevention Programs>
+<Resource Allocation, connectedTo, Surveillance Review>
+<Resource Allocation, connectedTo, Victim Support Services>
+<Responder Alert, connectedTo, Surveillance Review>
+<Responder Alert, partOf, Emergency Medical Service>
+<Search and Rescue Operations, connectedTo, Crowd Management>
+<Search and Rescue Operations, partOf, Emergency Medical Service>
+<Shelter Setup, connectedTo, Bomb Disposal>
+<Shelter Setup, connectedTo, Community Outreach>
+<Surveillance Review, collaborates, Shelter Setup>
+<Surveillance Review, connectedTo, Bomb Disposal>
+<Surveillance Review, connectedTo, Crime Prevention Programs>
+<Surveillance Review, connectedTo, Forensic Analysis>
+<Victim Support Services, connectedTo, Search and Rescue Operations>
+<Victim Support Services, connectedTo, Surveillance Review>
+<Witness Interview, connectedTo, Incident Reporting>
+<Witness Interview, partOf, Fire Suppression>
diff --git a/train/mermaid/hard/mermaid_113.mmd b/train/mermaid/hard/mermaid_113.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3abdd0a2770ccf5d0ec9718ae804a0dd45af3ade
--- /dev/null
+++ b/train/mermaid/hard/mermaid_113.mmd
@@ -0,0 +1,104 @@
+graph RL
+    N0([Set Construction])
+    N1(Ticketing Sales)
+    N2([Press Junket])
+    N3[(Footage Review)]
+    N4[/Visual Effects/]
+    N5[Special Effects Design]
+    N6[[Fan Engagement Strategy]]
+    N7(Sound Engineering)
+    N8[Scene Shooting]
+    N9[[Premiere Event]]
+    N10[[Film Distribution]]
+    N11[/Costume Design/]
+    N12[Lighting Setup]
+    S0(( ))
+    S1(( ))
+    subgraph Editing Process
+        nest0_0[Trailer Production]
+        nest0_1[Actor Rehearsal]
+        nest0_2{Marketing Campaign}
+    end
+    subgraph Post_Production Audio Mixing
+        nest1_0[(Awards Ceremony Production)]
+        nest1_1{Location Scouting}
+        nest1_2(Live Performance)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> |publishes| N3
+    N3 -.-> N4
+    N4 -.-> |monetizes| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 -.-> N9
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N5 -.-> nest1_0
+    nest1_2 -.-> N6
+    N7 --> S0
+    S0 -.-> N10
+    S0 --> N9
+    N7 --> S1
+    S1 --> N9
+    S1 -.-> N10
+    S1 --> N12
+    nest0_0 --> N8
+    style N0 fill:#B2EBF2,stroke:#00BCD4
+    style N1 fill:#F9FBE7,stroke:#C0CA33
+    style N2 fill:#C2E8E6,stroke:#61CAC3
+    style N3 fill:#F9FBE7,stroke:#C0CA33
+    style N4 fill:#B2EBF2,stroke:#00BCD4
+    style N5 fill:#C2E8E6,stroke:#61CAC3
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#F9FBE7,stroke:#C0CA33
+    style N8 fill:#F9FBE7,stroke:#C0CA33
+    style N9 fill:#B2EBF2,stroke:#00BCD4
+    style N10 fill:#F9FBE7,stroke:#C0CA33
+    style N11 fill:#C2E8E6,stroke:#61CAC3
+    style N12 fill:#C2E8E6,stroke:#61CAC3
+    style S0 fill:#B2EBF2,stroke:#00BCD4
+    style S1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_0 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_1 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_2 fill:#C2E8E6,stroke:#61CAC3
+    style nest1_0 fill:#C2E8E6,stroke:#61CAC3
+    style nest1_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest1_2 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_113.png b/train/mermaid/hard/mermaid_113.png
new file mode 100644
index 0000000000000000000000000000000000000000..afb3b736bc40986f05cb9ec833420f7866d46207
--- /dev/null
+++ b/train/mermaid/hard/mermaid_113.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b8befc3f471a0df591f4935f474bfbccefa7786af700371ca9e3983e5b845502
+size 116159
diff --git a/train/mermaid/hard/mermaid_115.png b/train/mermaid/hard/mermaid_115.png
new file mode 100644
index 0000000000000000000000000000000000000000..1bf08811e46fc64ad91c2bfc87e6cf86f9e06733
--- /dev/null
+++ b/train/mermaid/hard/mermaid_115.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cbeecca3267c7a432e2d53f3da3d3718ee0a17e88f0477bc8c531a12f16b19ae
+size 220026
diff --git a/train/mermaid/hard/mermaid_115.txt b/train/mermaid/hard/mermaid_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6458fd93544bbecb87add033a0823671745d7b0e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_115.txt
@@ -0,0 +1,38 @@
+<Animation Production, connectedTo, Awards Ceremony Production>
+<Animation Production, connectedTo, Set Construction>
+<Audience Feedback, develops, Visual Effects>
+<Audience Feedback, partOf, Special Effects Design>
+<Awards Ceremony Production, connectedTo, Scene Scheduling>
+<Awards Ceremony Production, connectedTo, Scene Shooting>
+<Awards Ceremony Production, connectedTo, Ticketing Sales>
+<Broadcast Scheduling, connectedTo, Sound Engineering>
+<Broadcast Scheduling, partOf, Lighting Setup>
+<Budget Planning, connectedTo, Concert Promotion>
+<Budget Planning, connectedTo, Scene Scheduling>
+<Budget Planning, connectedTo, Script Writing>
+<Budget Planning, connectedTo, Ticketing Sales>
+<Budget Planning, protects, Set Construction>
+<Casting Call, connectedTo, Animation Production>
+<Casting Call, connectedTo, Ticketing Sales>
+<Concert Promotion, composes, Intellectual Property Protection>
+<Concert Promotion, connectedTo, Set Construction>
+<Intellectual Property Protection, connectedTo, Trailer Production>
+<Intellectual Property Protection, partOf, Lighting Setup>
+<Scene Scheduling, connectedTo, Ticketing Sales>
+<Scene Scheduling, connectedTo, Visual Effects>
+<Scene Shooting, connectedTo, Stunt Coordination>
+<Scene Shooting, partOf, Special Effects Design>
+<Script Writing, connectedTo, Casting Call>
+<Script Writing, connectedTo, Ticketing Sales>
+<Sound Engineering, distributes, Visual Effects>
+<Sound Engineering, partOf, Lighting Setup>
+<Streaming Setup, connectedTo, Audience Feedback>
+<Streaming Setup, partOf, Special Effects Design>
+<Stunt Coordination, connectedTo, Streaming Setup>
+<Stunt Coordination, partOf, Special Effects Design>
+<Ticketing Sales, connectedTo, Concert Promotion>
+<Trailer Production, connectedTo, Broadcast Scheduling>
+<Trailer Production, partOf, Lighting Setup>
+<Visual Effects, connectedTo, Set Construction>
+<Visual Effects, connectedTo, Ticketing Sales>
+<start, connectedTo, Budget Planning>
diff --git a/train/mermaid/hard/mermaid_117.txt b/train/mermaid/hard/mermaid_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0081e6e442ba2d1b7a1ad3bdcb30bded05dca84a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_117.txt
@@ -0,0 +1,46 @@
+<Audience Feedback, connectedTo, Licensing Approval>
+<Audience Feedback, partOf, Trailer Production>
+<Awards Ceremony Production, connectedTo, Live Performance>
+<Broadcast Scheduling, connectedTo, Post_Production Audio Mixing>
+<Budget Planning, connectedTo, end>
+<Casting Call, no, Marketing Campaign>
+<Casting Call, partOf, Film Distribution>
+<Costume Design, connectedTo, Broadcast Scheduling>
+<Costume Design, connectedTo, Footage Review>
+<Costume Design, connectedTo, Merchandise Creation>
+<Costume Design, connectedTo, Ticketing Sales>
+<Costume Design, no, Set Construction>
+<Film Festival Submission, yes, Scene Scheduling>
+<Footage Review, connectedTo, Film Festival Submission>
+<Intellectual Property Protection, connectedTo, Premiere Event>
+<Intellectual Property Protection, partOf, Film Distribution>
+<Licensing Approval, connectedTo, Press Junket>
+<Licensing Approval, partOf, Trailer Production>
+<Lighting Setup, connectedTo, Intellectual Property Protection>
+<Lighting Setup, partOf, Film Distribution>
+<Live Performance, connectedTo, Merchandise Creation>
+<Location Scouting, connectedTo, Set Construction>
+<Location Scouting, connectedTo, Sponsorship Acquisition>
+<Location Scouting, no, Broadcast Scheduling>
+<Marketing Campaign, connectedTo, Lighting Setup>
+<Marketing Campaign, partOf, Film Distribution>
+<Merchandise Creation, connectedTo, Budget Planning>
+<Post_Production Audio Mixing, connectedTo, Footage Review>
+<Premiere Event, connectedTo, Broadcast Scheduling>
+<Press Junket, connectedTo, Stunt Coordination>
+<Press Junket, partOf, Trailer Production>
+<Scene Scheduling, connectedTo, Audience Feedback>
+<Scene Scheduling, connectedTo, Awards Ceremony Production>
+<Scene Scheduling, connectedTo, Casting Call>
+<Set Construction, connectedTo, Premiere Event>
+<Sponsorship Acquisition, connectedTo, Set Construction>
+<Stunt Coordination, connectedTo, Awards Ceremony Production>
+<Stunt Coordination, partOf, Trailer Production>
+<Ticketing Sales, connectedTo, Broadcast Scheduling>
+<Ticketing Sales, connectedTo, Location Scouting>
+<Ticketing Sales, connectedTo, Set Construction>
+<start, connectedTo, Broadcast Scheduling>
+<start, connectedTo, Budget Planning>
+<start, connectedTo, Costume Design>
+<start, connectedTo, Live Performance>
+<start, connectedTo, Set Construction>
diff --git a/train/mermaid/hard/mermaid_119.mmd b/train/mermaid/hard/mermaid_119.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..33599b41630d52cb67b0386be5f8ca8efa6ea776
--- /dev/null
+++ b/train/mermaid/hard/mermaid_119.mmd
@@ -0,0 +1,102 @@
+graph RL
+    N0([Ticketing Sales])
+    N1(Merchandise Creation)
+    N2([Game Development])
+    N3(Editing Process)
+    N4([Red Carpet Event])
+    N5{Licensing Approval}
+    N6[(Costume Design)]
+    N7{Lighting Setup}
+    N8[/Visual Effects/]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Broadcast Scheduling
+        nest0_0{Marketing Campaign}
+        nest0_1[Audience Feedback]
+        nest0_2[Concert Promotion]
+    end
+    subgraph Film Festival Submission
+        nest1_0[/Scene Scheduling/]
+        nest1_1[Music Composition]
+        nest1_2([Film Distribution])
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N4 --> nest0_0
+    nest0_2 --> N6
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N5 --> nest1_0
+    nest1_2 --> N6
+    N3 -.-> S0
+    S0 -.-> N8
+    S0 -.-> N5
+    N0 -.-> S1
+    S1 --> N2
+    S1 --> |mixes| N6
+    N0 --> S2
+    S2 -.-> N8
+    S2 -.-> N5
+    N2 --> M0
+    N1 -.-> |responds to| M0
+    N0 -.-> M0
+    M0 --> N4
+    style N0 fill:#D3D7EB,stroke:#8C9EFF
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#D3D7EB,stroke:#8C9EFF
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#D3D7EB,stroke:#8C9EFF
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#D3D7EB,stroke:#8C9EFF
+    style N7 fill:#FFFCE6,stroke:#FFF9AE
+    style N8 fill:#EFE6FF,stroke:#C2B2F0
+    style S0 fill:#EFE6FF,stroke:#C2B2F0
+    style S1 fill:#EFE6FF,stroke:#C2B2F0
+    style S2 fill:#D3D7EB,stroke:#8C9EFF
+    style M0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_2 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_0 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest1_2 fill:#FFFCE6,stroke:#FFF9AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#8C9EFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_122.mmd b/train/mermaid/hard/mermaid_122.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..237bd2d227774286cc57e1963b51bcc1307a74e2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_122.mmd
@@ -0,0 +1,103 @@
+graph TD
+    N0([start])
+    N1[Citizen Science Initiative]
+    N2([Biodiversity Conservation])
+    N3[(Waste Water Treatment)]
+    N4(Pollution Control Technology)
+    N5(Energy Audit)
+    N6[[Ecological Footprint Analysis]]
+    N7(Renewable Energy Project Development)
+    N8[(Public Awareness Campaign)]
+    N9([Environmental Education Programs])
+    N10(Wildlife Survey)
+    N11{Resource Tracking}
+    N12(Soil Testing)
+    N13[[Reforestation Planning]]
+    N14([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    subgraph Resource Recovery
+        nest0_0(Water Sampling)
+        nest0_1{Regulatory Compliance}
+    end
+    subgraph Emission Reporting
+        nest1_0[[Waste Collection]]
+        nest1_1[Ocean Cleanup]
+    end
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |yes| N7
+    N7 -.-> |no| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    nest0_0 --> nest0_1
+    N6 --> nest0_0
+    nest0_1 -.-> N9
+    nest1_0 --> nest1_1
+    N13 -.-> nest1_0
+    nest1_1 --> N9
+    N5 --> S0
+    S0 --> N10
+    S0 -.-> |no| N12
+    S0 -.-> N9
+    S0 -.-> N8
+    N9 -.-> S1
+    S1 -.-> |no| N14
+    S1 -.-> |yes| N13
+    S1 -.-> N11
+    N0 --> S2
+    S2 --> N9
+    S2 --> N14
+    N0 -.-> M1
+    N1 --> M1
+    M1 --> N3
+    style S0 fill:#EFEBE9,stroke:#A1887F
+    style S1 fill:#FFECB3,stroke:#FFC107
+    style S2 fill:#EFEBE9,stroke:#A1887F
+    style M1 fill:#EFEBE9,stroke:#A1887F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_123.mmd b/train/mermaid/hard/mermaid_123.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d6251506e666c2e70278985b8483e2a63f2e7223
--- /dev/null
+++ b/train/mermaid/hard/mermaid_123.mmd
@@ -0,0 +1,92 @@
+graph TD
+    N0([Renewable Energy Project Development])
+    N1[[Environmental Impact Assessment]]
+    N2[[Emission Reporting]]
+    N3[Coastal Erosion Control]
+    N4[/Public Awareness Campaign/]
+    N5(Regulatory Compliance)
+    N6[Waste Collection]
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Environmental Education Programs
+        nest0_0[/Sustainability Review/]
+        nest0_1{Ecosystem Restoration}
+        nest0_2(Pollution Control Technology)
+    end
+    subgraph Waste Water Treatment
+        nest1_0{Sustainable Agriculture Practices}
+        nest1_1[[Stormwater Management]]
+        nest1_2([Conservation Easement])
+        nest1_3[(Landfill Management)]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N4 -.-> nest0_0
+    nest0_2 --> |mitigates| N6
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N4 -.-> nest1_0
+    nest1_3 -.-> N2
+    N0 --> S0
+    S0 -.-> N3
+    S0 -.-> N2
+    S0 -.-> N4
+    N1 -.-> M0
+    N0 -.-> M0
+    N2 --> M0
+    M0 --> N6
+    N1 -.-> M1
+    N2 -.-> |incentivizes| M1
+    M1 --> N4
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#E8F0FF,stroke:#A2D0FF
+    style N2 fill:#E1BEE7,stroke:#9C27B0
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#FFFAE0,stroke:#FFE470
+    style N6 fill:#FFFAE0,stroke:#FFE470
+    style S0 fill:#E1BEE7,stroke:#9C27B0
+    style M0 fill:#FFFAE0,stroke:#FFE470
+    style M1 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_0 fill:#FFFAE0,stroke:#FFE470
+    style nest0_1 fill:#E8F0FF,stroke:#A2D0FF
+    style nest0_2 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_0 fill:#FFFAE0,stroke:#FFE470
+    style nest1_1 fill:#FFFAE0,stroke:#FFE470
+    style nest1_2 fill:#E1BEE7,stroke:#9C27B0
+    style nest1_3 fill:#FFFAE0,stroke:#FFE470
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_123.png b/train/mermaid/hard/mermaid_123.png
new file mode 100644
index 0000000000000000000000000000000000000000..065c51b5224417b180f0539601d50b6a45c1b0cf
--- /dev/null
+++ b/train/mermaid/hard/mermaid_123.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e6d708ce353bccd124b54874287e3782859a803f0305a9f4caf289b98456d10b
+size 323969
diff --git a/train/mermaid/hard/mermaid_125.txt b/train/mermaid/hard/mermaid_125.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bb47ed935e7fbbcf69f77c7f9a896ccda2fbb983
--- /dev/null
+++ b/train/mermaid/hard/mermaid_125.txt
@@ -0,0 +1,30 @@
+<Air Quality Monitoring, connectedTo, Recycling Process>
+<Air Quality Monitoring, connectedTo, Regulatory Compliance>
+<Biodiversity Conservation, assesses, Climate Modeling>
+<Biodiversity Conservation, connectedTo, Air Quality Monitoring>
+<Biodiversity Conservation, connectedTo, Carbon Footprint Calculation>
+<Biodiversity Conservation, connectedTo, Emission Reporting>
+<Biodiversity Conservation, connectedTo, Energy Audit>
+<Climate Modeling, connectedTo, Carbon Footprint Calculation>
+<Conservation Easement, connectedTo, Green Certification>
+<Conservation Easement, partOf, Resource Tracking>
+<Emission Reporting, connectedTo, Carbon Footprint Calculation>
+<Emission Reporting, connectedTo, Climate Modeling>
+<Emission Reporting, connectedTo, Energy Audit>
+<Emission Reporting, connectedTo, Policy Advocacy>
+<Energy Audit, connectedTo, Ocean Cleanup>
+<Energy Audit, partOf, Coastal Erosion Control>
+<Environmental Research, surveys, Biodiversity Conservation>
+<Green Certification, connectedTo, Air Quality Monitoring>
+<Green Certification, partOf, Resource Tracking>
+<Ocean Cleanup, connectedTo, Policy Advocacy>
+<Ocean Cleanup, partOf, Coastal Erosion Control>
+<Policy Advocacy, connectedTo, Climate Modeling>
+<Policy Advocacy, connectedTo, Energy Audit>
+<Pollution Control Technology, connectedTo, Conservation Easement>
+<Pollution Control Technology, partOf, Resource Tracking>
+<Recycling Process, connectedTo, Environmental Research>
+<Regulatory Compliance, connectedTo, Policy Advocacy>
+<Regulatory Compliance, connectedTo, Pollution Control Technology>
+<Regulatory Compliance, partOf, Resource Tracking>
+<start, connectedTo, Air Quality Monitoring>
diff --git a/train/mermaid/hard/mermaid_126.mmd b/train/mermaid/hard/mermaid_126.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..eff1efa77ffcd7d263522a6bbec7e986079ed3b2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_126.mmd
@@ -0,0 +1,122 @@
+graph RL
+    N0([Reforestation Planning])
+    N1(Soil Testing)
+    N2[[Species Reintroduction]]
+    N3[(Green Certification)]
+    N4{Pollution Control Technology}
+    N5([Resource Recovery])
+    N6[Energy Audit]
+    N7[(Noise Pollution Measurement)]
+    N8[Waste Collection]
+    N9{Ocean Cleanup}
+    N10([Groundwater Monitoring])
+    N11[/Carbon Footprint Calculation/]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Landfill Management
+        nest0_0[(Ecological Footprint Analysis)]
+        nest0_1[(Hazardous Material Handling)]
+        nest0_2[[Wildlife Survey]]
+        nest0_3[Resource Tracking]
+    end
+    subgraph Environmental Impact Assessment
+        nest1_0{Stormwater Management}
+        nest1_1(Waste Water Treatment)
+        nest1_2(Pollution Alert)
+        nest1_3{Conservation Easement}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N6 -.-> nest0_0
+    nest0_3 --> N9
+    nest1_0 -.-> |enforces| nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N3 -.-> nest1_0
+    nest1_3 --> N1
+    N1 -.-> S0
+    S0 -.-> N8
+    S0 --> N10
+    S0 --> |advises| N11
+    N8 -.-> S1
+    S1 -.-> N10
+    S1 --> |incentivizes| N11
+    N6 --> |advocates| M0
+    N0 -.-> M0
+    M0 -.-> N8
+    N1 --> M1
+    N4 --> M1
+    M1 --> N8
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#F5F5DC,stroke:#BCB88A
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#FFE88D,stroke:#FFDA4E
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    style N9 fill:#F5F5DC,stroke:#BCB88A
+    style N10 fill:#F5F5DC,stroke:#BCB88A
+    style N11 fill:#F5F5DC,stroke:#BCB88A
+    style S0 fill:#FBE9E7,stroke:#FF8A65
+    style S1 fill:#F5F5DC,stroke:#BCB88A
+    style M0 fill:#FFE88D,stroke:#FFDA4E
+    style M1 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_0 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_1 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_2 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_3 fill:#F5F5DC,stroke:#BCB88A
+    style nest1_0 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_1 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_2 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_3 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_127.txt b/train/mermaid/hard/mermaid_127.txt
new file mode 100644
index 0000000000000000000000000000000000000000..021ac5678285e4777f020ce3583ea2a5b6d46425
--- /dev/null
+++ b/train/mermaid/hard/mermaid_127.txt
@@ -0,0 +1,31 @@
+<Carbon Footprint Calculation, connectedTo, Reforestation Planning>
+<Emission Reporting, connectedTo, Environmental Research>
+<Emission Reporting, partOf, Ecosystem Restoration>
+<Environmental Research, connectedTo, Sustainability Review>
+<Environmental Research, partOf, Ecosystem Restoration>
+<Green Certification, connectedTo, Renewable Energy Project Development>
+<Groundwater Monitoring, connectedTo, Carbon Footprint Calculation>
+<Groundwater Monitoring, connectedTo, Noise Pollution Measurement>
+<Groundwater Monitoring, connectedTo, Reforestation Planning>
+<Groundwater Monitoring, connectedTo, Renewable Energy Grid Integration>
+<Pollution Control Technology, connectedTo, Green Certification>
+<Pollution Control Technology, partOf, Ecosystem Restoration>
+<Public Awareness Campaign, connectedTo, Noise Pollution Measurement>
+<Public Awareness Campaign, partOf, Hazardous Material Handling>
+<Reforestation Planning, connectedTo, Noise Pollution Measurement>
+<Renewable Energy Grid Integration, connectedTo, Carbon Footprint Calculation>
+<Renewable Energy Project Development, alerts, Soil Testing>
+<Renewable Energy Project Development, connectedTo, Emission Reporting>
+<Renewable Energy Project Development, connectedTo, Sustainable Agriculture Practices>
+<Soil Testing, connectedTo, Groundwater Monitoring>
+<Sustainability Review, incentivizes, Pollution Control Technology>
+<Sustainability Review, partOf, Ecosystem Restoration>
+<Sustainable Agriculture Practices, connectedTo, Waste Water Treatment>
+<Sustainable Agriculture Practices, partOf, Hazardous Material Handling>
+<Waste Water Treatment, connectedTo, Public Awareness Campaign>
+<Waste Water Treatment, partOf, Hazardous Material Handling>
+<start, connectedTo, Carbon Footprint Calculation>
+<start, connectedTo, Green Certification>
+<start, connectedTo, Groundwater Monitoring>
+<start, connectedTo, Noise Pollution Measurement>
+<start, connectedTo, Renewable Energy Grid Integration>
diff --git a/train/mermaid/hard/mermaid_137.txt b/train/mermaid/hard/mermaid_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7ffb96887e60bd763cc10ae793f90e752bdcfe9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_137.txt
@@ -0,0 +1,30 @@
+<Customer Engagement, connectedTo, Daily Report Generation>
+<Customer Engagement, partOf, Price Tagging>
+<Daily Report Generation, connectedTo, Supply Chain Optimization>
+<Daily Report Generation, partOf, Price Tagging>
+<Online Order Pickup, connectedTo, Shopping Cart Collection>
+<Online Order Pickup, partOf, Loss Prevention>
+<Order Fulfillment, connectedTo, Security Tagging>
+<Payment Processing, connectedTo, Online Order Pickup>
+<Payment Processing, partOf, Loss Prevention>
+<Product Demonstration, connectedTo, Order Fulfillment>
+<Product Demonstration, connectedTo, Return Handling>
+<Product Demonstration, connectedTo, Sales Forecasting>
+<Product Demonstration, connectedTo, Shopping Cart Collection>
+<Sales Forecasting, connectedTo, Supplier Coordination>
+<Sales Forecasting, optimizes, Order Fulfillment>
+<Security Tagging, connectedTo, Customer Engagement>
+<Security Tagging, connectedTo, Return Handling>
+<Shopping Cart Collection, connectedTo, Order Fulfillment>
+<Shopping Cart Collection, connectedTo, Return Handling>
+<Shopping Cart Collection, connectedTo, Sales Forecasting>
+<Shopping Cart Collection, connectedTo, Security Tagging>
+<Shopping Cart Collection, scans, Security Tagging>
+<Supplier Coordination, connectedTo, Payment Processing>
+<Supplier Coordination, partOf, Loss Prevention>
+<Supply Chain Optimization, connectedTo, Warehouse Picking>
+<Supply Chain Optimization, partOf, Price Tagging>
+<Warehouse Picking, connectedTo, Return Handling>
+<Warehouse Picking, partOf, Price Tagging>
+<start, connectedTo, Product Demonstration>
+<start, connectedTo, Security Tagging>
diff --git a/train/mermaid/hard/mermaid_138.png b/train/mermaid/hard/mermaid_138.png
new file mode 100644
index 0000000000000000000000000000000000000000..a5651916932962ba47cb2003adda3580401a8601
--- /dev/null
+++ b/train/mermaid/hard/mermaid_138.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:594ae94c16a6466e37b51988c57f7c1e8f0d6cb5a3bd8d60a02ad29d0c4567fe
+size 240244
diff --git a/train/mermaid/hard/mermaid_14.png b/train/mermaid/hard/mermaid_14.png
new file mode 100644
index 0000000000000000000000000000000000000000..c145f502e28add991dfe5b4f837fa3b97e5ea335
--- /dev/null
+++ b/train/mermaid/hard/mermaid_14.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9f9efd2b579651ffa409177c9443366069be9b08ce310faf6a543c3c6203332
+size 433101
diff --git a/train/mermaid/hard/mermaid_140.txt b/train/mermaid/hard/mermaid_140.txt
new file mode 100644
index 0000000000000000000000000000000000000000..40caa0e5f969f208d00979c1275f295858782f6f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_140.txt
@@ -0,0 +1,30 @@
+<Complaint Management, connectedTo, E_commerce Platform Integration>
+<Complaint Management, partOf, Shopping Cart Collection>
+<Customer Engagement, connectedTo, Inventory Check>
+<Customer Engagement, connectedTo, Product Listing>
+<Customer Engagement, connectedTo, Return Handling>
+<Customer Engagement, connectedTo, Warehouse Picking>
+<Customer Loyalty Analytics, connectedTo, Shelf Restocking>
+<Customer Loyalty Analytics, processes, Loss Prevention>
+<E_commerce Platform Integration, connectedTo, Supplier Payment>
+<E_commerce Platform Integration, partOf, Shopping Cart Collection>
+<Fitting Room Management, connectedTo, Supplier Coordination>
+<Inventory Check, connectedTo, Seasonal Sales Planning>
+<Inventory Check, partOf, Staff Training>
+<Loss Prevention, connectedTo, Vendor Managed Inventory>
+<Promotion Planning, forecasts, Customer Loyalty Analytics>
+<Promotion Planning, inventories, Loss Prevention>
+<Receipt Issuing, connectedTo, Warehouse Picking>
+<Receipt Issuing, partOf, Staff Training>
+<Return Handling, connectedTo, Warehouse Picking>
+<Seasonal Sales Planning, connectedTo, Receipt Issuing>
+<Seasonal Sales Planning, partOf, Staff Training>
+<Shelf Restocking, connectedTo, Fitting Room Management>
+<Shelf Restocking, connectedTo, Loss Prevention>
+<Stock Replenishment, connectedTo, Promotion Planning>
+<Stock Replenishment, delivers, Loss Prevention>
+<Supplier Coordination, connectedTo, Complaint Management>
+<Supplier Coordination, connectedTo, Loss Prevention>
+<Supplier Payment, connectedTo, Customer Engagement>
+<Vendor Managed Inventory, prices, Supplier Payment>
+<Warehouse Picking, restocks, Product Listing>
diff --git a/train/mermaid/hard/mermaid_142.png b/train/mermaid/hard/mermaid_142.png
new file mode 100644
index 0000000000000000000000000000000000000000..6c9a67d667a60b4cc94c7159200506dcf1af6c42
--- /dev/null
+++ b/train/mermaid/hard/mermaid_142.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8163919cfeb878ab27998b66b07bd0506800908e7f96666bb62f37b74e3790ba
+size 379533
diff --git a/train/mermaid/hard/mermaid_145.txt b/train/mermaid/hard/mermaid_145.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a98845c64ed9f6491494863b5b179a6d38c1bce8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_145.txt
@@ -0,0 +1,42 @@
+<Brake System Check, no, Electric Vehicle Battery Production>
+<Brake System Check, partOf, Inventory Tracking>
+<Component Testing, partOf, Body Shop Repair>
+<Component Testing, yes, Road Testing>
+<Crash Simulation, connectedTo, Electric Vehicle Battery Production>
+<Crash Simulation, connectedTo, Fuel Efficiency Check>
+<Dealership Sales, connectedTo, Electric Vehicle Battery Production>
+<Dealership Sales, yes, Software Calibration>
+<Electric Vehicle Battery Production, connectedTo, Component Testing>
+<Electric Vehicle Battery Production, connectedTo, Fuel Efficiency Check>
+<Fluid Level Check, connectedTo, Electric Vehicle Battery Production>
+<Fluid Level Check, connectedTo, Paint Application>
+<Fluid Level Check, connectedTo, Recall Management>
+<Fluid Level Check, connectedTo, Vehicle Financing>
+<Fuel Efficiency Check, connectedTo, Paint Application>
+<Global Supply Chain Management, connectedTo, Brake System Check>
+<Global Supply Chain Management, partOf, Inventory Tracking>
+<Maintenance Scheduling, no, Vehicle Design>
+<Oil Change, connectedTo, Recall Management>
+<Oil Change, connectedTo, Tire Rotation>
+<Paint Application, connectedTo, Parts Distribution>
+<Paint Application, connectedTo, Vehicle Financing>
+<Paint Application, connectedTo, end>
+<Parts Distribution, connectedTo, end>
+<Recall Management, connectedTo, Electric Vehicle Battery Production>
+<Recall Management, yes, Dealership Sales>
+<Road Testing, connectedTo, Tire Rotation>
+<Road Testing, partOf, Body Shop Repair>
+<Software Calibration, connectedTo, Warranty Activation>
+<Tire Rotation, connectedTo, Electric Vehicle Battery Production>
+<Tire Rotation, connectedTo, Fluid Level Check>
+<Tire Rotation, connectedTo, Recall Management>
+<Vehicle Design, connectedTo, Crash Simulation>
+<Vehicle Design, connectedTo, Fuel Efficiency Check>
+<Vehicle Design, connectedTo, Global Supply Chain Management>
+<Vehicle Design, connectedTo, Parts Distribution>
+<Vehicle Design, connectedTo, Vehicle Financing>
+<Vehicle Financing, connectedTo, Parts Distribution>
+<Warranty Activation, connectedTo, Electric Vehicle Battery Production>
+<Warranty Activation, connectedTo, Fuel Efficiency Check>
+<Warranty Activation, connectedTo, Maintenance Scheduling>
+<start, connectedTo, Oil Change>
diff --git a/train/mermaid/hard/mermaid_149.txt b/train/mermaid/hard/mermaid_149.txt
new file mode 100644
index 0000000000000000000000000000000000000000..322a170b018abcf85e52f49bea8a4710e149ce20
--- /dev/null
+++ b/train/mermaid/hard/mermaid_149.txt
@@ -0,0 +1,36 @@
+<Autonomous Driving Software Development, connectedTo, Body Shop Repair>
+<Body Shop Repair, engineers, Supplier Selection>
+<Brake System Check, connectedTo, Component Testing>
+<Brake System Check, connectedTo, Fuel Efficiency Check>
+<Brake System Check, connectedTo, Research and Development>
+<Component Testing, replaces, Dealership Sales>
+<Customer Relationship Management, upgrades, Research and Development>
+<Dealership Sales, connectedTo, Software Calibration>
+<Dealership Sales, tests, Research and Development>
+<Emission Testing, charges, Inventory Tracking>
+<Emission Testing, connectedTo, Research and Development>
+<Engine Installation, connectedTo, Oil Change>
+<Fuel Efficiency Check, connectedTo, Recall Management>
+<Fuel Efficiency Check, partOf, Part Manufacturing>
+<Global Supply Chain Management, connectedTo, Autonomous Driving Software Development>
+<Infotainment System Integration, connectedTo, Vehicle Registration>
+<Infotainment System Integration, partOf, Parts Distribution>
+<Inventory Tracking, connectedTo, Brake System Check>
+<Oil Change, connectedTo, Brake System Check>
+<Oil Change, connectedTo, Dealership Sales>
+<Oil Change, connectedTo, Inventory Tracking>
+<Oil Change, connectedTo, Software Calibration>
+<Oil Change, delivers, Emission Testing>
+<Recall Management, connectedTo, Body Shop Repair>
+<Recall Management, partOf, Part Manufacturing>
+<Research and Development, connectedTo, end>
+<Road Testing, connectedTo, Vehicle Connectivity>
+<Robotics in Production, connectedTo, Engine Installation>
+<Robotics in Production, connectedTo, Infotainment System Integration>
+<Software Calibration, connectedTo, Customer Relationship Management>
+<Software Calibration, connectedTo, Research and Development>
+<Software Calibration, connectedTo, end>
+<Supplier Selection, connectedTo, Robotics in Production>
+<Vehicle Connectivity, connectedTo, Global Supply Chain Management>
+<Vehicle Registration, markets, Brake System Check>
+<Vehicle Registration, partOf, Parts Distribution>
diff --git a/train/mermaid/hard/mermaid_151.txt b/train/mermaid/hard/mermaid_151.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7824ac25ff374c5eda040491351781e854b6dd9b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_151.txt
@@ -0,0 +1,37 @@
+<After_sales Service, connectedTo, Engine Installation>
+<Autonomous Driving Software Development, connectedTo, Quality Assurance>
+<Component Testing, connectedTo, Customer Test Drive>
+<Component Testing, partOf, Supplier Selection>
+<Crash Simulation, calibrates, Vehicle Connectivity>
+<Crash Simulation, connectedTo, Spare Parts Order>
+<Customer Test Drive, connectedTo, After_sales Service>
+<Customer Test Drive, partOf, Supplier Selection>
+<Dealership Sales, connectedTo, Component Testing>
+<Dealership Sales, partOf, Supplier Selection>
+<Diagnostic Trouble Code Reading, connectedTo, Crash Simulation>
+<Electric Vehicle Battery Production, connectedTo, Oil Change>
+<Electric Vehicle Battery Production, partOf, Vehicle Design>
+<Engine Installation, connectedTo, Vehicle Registration>
+<Infotainment System Integration, connectedTo, Diagnostic Trouble Code Reading>
+<Infotainment System Integration, connectedTo, Engine Installation>
+<Infotainment System Integration, connectedTo, Robotics in Production>
+<Infotainment System Integration, inspects, Crash Simulation>
+<Oil Change, connectedTo, After_sales Service>
+<Oil Change, connectedTo, Brake System Check>
+<Oil Change, connectedTo, Engine Installation>
+<Oil Change, connectedTo, Vehicle Registration>
+<Part Manufacturing, connectedTo, Electric Vehicle Battery Production>
+<Part Manufacturing, partOf, Vehicle Design>
+<Quality Assurance, connectedTo, Infotainment System Integration>
+<Research and Development, connectedTo, Brake System Check>
+<Research and Development, connectedTo, Dealership Sales>
+<Research and Development, connectedTo, Diagnostic Trouble Code Reading>
+<Research and Development, fuels, Autonomous Driving Software Development>
+<Robotics in Production, replaces, Diagnostic Trouble Code Reading>
+<Spare Parts Order, connectedTo, Tire Rotation>
+<Spare Parts Order, partOf, Vehicle Design>
+<Tire Rotation, connectedTo, Part Manufacturing>
+<Tire Rotation, partOf, Vehicle Design>
+<Vehicle Connectivity, connectedTo, Oil Change>
+<Vehicle Registration, audits, Brake System Check>
+<start, connectedTo, Research and Development>
diff --git a/train/mermaid/hard/mermaid_152.mmd b/train/mermaid/hard/mermaid_152.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8b9a0b774007be8a87c33b65aa30d17529c26aff
--- /dev/null
+++ b/train/mermaid/hard/mermaid_152.mmd
@@ -0,0 +1,110 @@
+graph LR
+    N0([start])
+    N1([Assembly Line Setup])
+    N2[Body Shop Repair]
+    N3[[Vehicle Registration]]
+    N4[/Road Testing/]
+    N5[Research and Development]
+    N6(Customer Test Drive)
+    N7[Emission Testing]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Spare Parts Order
+        nest0_0[[Fuel Efficiency Check]]
+        nest0_1[/Engine Installation/]
+        nest0_2[(Vehicle Financing)]
+        nest0_3[Customer Relationship Management]
+    end
+    subgraph Recycling of Vehicle Components
+        nest1_0[Part Manufacturing]
+        nest1_1{Oil Change}
+        nest1_2(Crash Simulation)
+        nest1_3(Diagnostic Trouble Code Reading)
+    end
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N2 -.-> nest0_0
+    nest0_3 -.-> N1
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N2 -.-> nest1_0
+    nest1_3 --> N7
+    N1 -.-> S0
+    S0 -.-> N5
+    S0 --> |no| N3
+    N0 --> S1
+    S1 -.-> N3
+    S1 -.-> N6
+    N4 -.-> S2
+    S2 --> N6
+    S2 -.-> N7
+    N0 -.-> M0
+    N1 --> M0
+    M0 --> N3
+    N1 --> M1
+    N0 --> M1
+    N5 -.-> M1
+    M1 --> N7
+    N3 --> M2
+    N2 -.-> M2
+    N1 --> M2
+    N0 -.-> M2
+    M2 --> N5
+    style S0 fill:#B3E5FC,stroke:#03A9F4
+    style S1 fill:#CFD8DC,stroke:#607D8B
+    style S2 fill:#B3E5FC,stroke:#03A9F4
+    style M0 fill:#D1C4E9,stroke:#673AB7
+    style M1 fill:#B3E5FC,stroke:#03A9F4
+    style M2 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_155.txt b/train/mermaid/hard/mermaid_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cc9ca6759884d0514cb8e6fbd606706a4cfaa030
--- /dev/null
+++ b/train/mermaid/hard/mermaid_155.txt
@@ -0,0 +1,43 @@
+<Aircraft Maintenance Log, connectedTo, Drone System Development>
+<Aircraft Maintenance Log, partOf, Emergency Protocols>
+<Aircraft Manufacturing, connectedTo, New Material Development>
+<Airframe Assembly, connectedTo, Mission Debriefing>
+<Aviation Safety Audit, tests, Aircraft Manufacturing>
+<Component Recovery, connectedTo, Satellite Data Processing>
+<Component Recovery, connectedTo, Telemetry Setup>
+<Data Transmission, connectedTo, Fueling Procedure>
+<Drone System Development, connectedTo, Fueling Procedure>
+<Drone System Development, partOf, Emergency Protocols>
+<Fueling Procedure, connectedTo, Aviation Safety Audit>
+<Fueling Procedure, connectedTo, Launch Window Calculation>
+<Fueling Procedure, connectedTo, Orbit Adjustment>
+<Ground Station Coordination, connectedTo, Component Recovery>
+<Ground Station Coordination, connectedTo, Satellite Data Processing>
+<Launch Execution, connectedTo, Propulsion Testing>
+<Launch Execution, connectedTo, Re_entry Vehicle Design>
+<Launch Window Calculation, connectedTo, Aircraft Manufacturing>
+<Launch Window Calculation, connectedTo, Aviation Safety Audit>
+<Launch Window Calculation, connectedTo, Mission Planning>
+<Launch Window Calculation, connectedTo, New Material Development>
+<Launch Window Calculation, connectedTo, Orbit Adjustment>
+<Mission Debriefing, connectedTo, Ground Station Coordination>
+<Mission Debriefing, connectedTo, Satellite Data Processing>
+<Mission Planning, connectedTo, Aircraft Maintenance Log>
+<Mission Planning, partOf, Emergency Protocols>
+<New Material Development, connectedTo, Orbit Adjustment>
+<Orbit Adjustment, connectedTo, Launch Execution>
+<Re_entry Vehicle Design, connectedTo, System Reboot>
+<Re_entry Vehicle Design, partOf, Thermal Shield Testing>
+<Rocket Assembly, connectedTo, Data Transmission>
+<Satellite Data Processing, connectedTo, Aircraft Manufacturing>
+<Satellite Data Processing, connectedTo, Aviation Safety Audit>
+<Satellite Data Processing, connectedTo, Launch Execution>
+<Satellite Data Processing, connectedTo, Launch Window Calculation>
+<Satellite Data Processing, connectedTo, Orbit Adjustment>
+<Satellite Data Processing, connectedTo, Rocket Assembly>
+<System Reboot, guides, Aviation Safety Audit>
+<System Reboot, partOf, Thermal Shield Testing>
+<Telemetry Setup, connectedTo, Satellite Data Processing>
+<start, connectedTo, Aircraft Manufacturing>
+<start, connectedTo, Airframe Assembly>
+<start, researches, Satellite Data Processing>
diff --git a/train/mermaid/hard/mermaid_156.mmd b/train/mermaid/hard/mermaid_156.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..12b01c9473505cdf7194063401db4644c3f41753
--- /dev/null
+++ b/train/mermaid/hard/mermaid_156.mmd
@@ -0,0 +1,116 @@
+graph RL
+    N0([start])
+    N1[/Component Recovery/]
+    N2[/Launch Execution/]
+    N3[/Astronaut Training/]
+    N4[Rocket Assembly]
+    N5[(Emergency Protocols)]
+    N6[/Spacecraft Telemetry Analysis/]
+    N7[(New Material Development)]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Hypersonic Flight Testing
+        nest0_0[Aviation Safety Audit]
+        nest0_1[Engine Overhaul]
+        nest0_2[[Flight Crew Training]]
+        nest0_3{Airframe Assembly}
+    end
+    subgraph Re_entry Vehicle Design
+        nest1_0[Aircraft Manufacturing]
+        nest1_1(System Reboot)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> |develops| N3
+    N3 -.-> |builds| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N1 --> nest0_0
+    nest0_3 -.-> N1
+    nest1_0 -.-> |certifies| nest1_1
+    N6 --> nest1_0
+    nest1_1 -.-> N2
+    N4 -.-> S0
+    S0 -.-> N7
+    S0 --> N6
+    N1 -.-> S1
+    S1 -.-> N6
+    S1 -.-> N4
+    S1 --> N5
+    N4 -.-> S2
+    S2 -.-> |regulates| N7
+    S2 --> N6
+    N2 -.-> M0
+    N0 -.-> M0
+    M0 --> N4
+    N0 -.-> M1
+    N2 -.-> M1
+    N1 --> M1
+    M1 --> N4
+    N2 --> M2
+    N1 --> M2
+    M2 --> N4
+    style N0 fill:#D7CCC8,stroke:#795548
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#E8F5E9,stroke:#66BB6A
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#E8F5E9,stroke:#66BB6A
+    style N5 fill:#D7CCC8,stroke:#795548
+    style N6 fill:#E8F5E9,stroke:#66BB6A
+    style N7 fill:#D7CCC8,stroke:#795548
+    style S0 fill:#D7CCC8,stroke:#795548
+    style S1 fill:#E3F2FD,stroke:#64B5F6
+    style S2 fill:#E8F5E9,stroke:#66BB6A
+    style M0 fill:#D7CCC8,stroke:#795548
+    style M1 fill:#E3F2FD,stroke:#64B5F6
+    style M2 fill:#E8F5E9,stroke:#66BB6A
+    style nest0_0 fill:#E3F2FD,stroke:#64B5F6
+    style nest0_1 fill:#E8F5E9,stroke:#66BB6A
+    style nest0_2 fill:#E8F5E9,stroke:#66BB6A
+    style nest0_3 fill:#E8F5E9,stroke:#66BB6A
+    style nest1_0 fill:#D7CCC8,stroke:#795548
+    style nest1_1 fill:#E3F2FD,stroke:#64B5F6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#66BB6A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_160.txt b/train/mermaid/hard/mermaid_160.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b967801ec509dca19e62cc69a8178d820ab32673
--- /dev/null
+++ b/train/mermaid/hard/mermaid_160.txt
@@ -0,0 +1,37 @@
+<Aircraft Maintenance Log, connectedTo, Drone System Development>
+<Aircraft Maintenance Log, partOf, Thermal Shield Testing>
+<Aviation Safety Audit, connectedTo, Ground Station Coordination>
+<Aviation Safety Audit, connectedTo, Payload Integration>
+<Avionics Installation, connectedTo, Satellite Configuration>
+<Countdown Sequence, connectedTo, Avionics Installation>
+<Data Transmission, assembles, System Reboot>
+<Data Transmission, connectedTo, Countdown Sequence>
+<Data Transmission, connectedTo, Spacecraft Telemetry Analysis>
+<Data Transmission, connectedTo, end>
+<Drone System Development, connectedTo, Data Transmission>
+<Emergency Protocols, adjusts, Ground Station Coordination>
+<Emergency Protocols, connectedTo, Extravehicular Activity Planning>
+<Extravehicular Activity Planning, connectedTo, Aviation Safety Audit>
+<Extravehicular Activity Planning, connectedTo, Ground Station Coordination>
+<Extravehicular Activity Planning, connectedTo, Payload Integration>
+<Ground Station Coordination, connectedTo, Payload Integration>
+<Ground Station Coordination, connectedTo, Re_entry Vehicle Design>
+<Launch Execution, connectedTo, Drone System Development>
+<Launch Execution, partOf, Satellite Data Processing>
+<Launch Window Calculation, connectedTo, Aircraft Maintenance Log>
+<Launch Window Calculation, partOf, Thermal Shield Testing>
+<New Material Development, connectedTo, Rocket Assembly>
+<New Material Development, connectedTo, Spacecraft Telemetry Analysis>
+<New Material Development, connectedTo, end>
+<Orbit Adjustment, connectedTo, Launch Execution>
+<Orbit Adjustment, partOf, Satellite Data Processing>
+<Payload Integration, connectedTo, Drone System Development>
+<Re_entry Vehicle Design, connectedTo, Payload Integration>
+<Rocket Assembly, connectedTo, Orbit Adjustment>
+<Rocket Assembly, connectedTo, end>
+<Rocket Stage Separation, connectedTo, Launch Window Calculation>
+<Rocket Stage Separation, partOf, Thermal Shield Testing>
+<Satellite Configuration, connectedTo, New Material Development>
+<Spacecraft Telemetry Analysis, connectedTo, Rocket Assembly>
+<System Reboot, connectedTo, Rocket Stage Separation>
+<System Reboot, partOf, Thermal Shield Testing>
diff --git a/train/mermaid/hard/mermaid_161.mmd b/train/mermaid/hard/mermaid_161.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7b0c77d62e20871bd3b524bbef6f0597e9bb0665
--- /dev/null
+++ b/train/mermaid/hard/mermaid_161.mmd
@@ -0,0 +1,114 @@
+graph RL
+    N0([start])
+    N1[/Investment Management for Reserves/]
+    N2[/Claims Litigation Management/]
+    N3(Policy Application)
+    N4[[Actuarial Analysis]]
+    N5(Risk Assessment)
+    N6{Data Security}
+    N7[/Third_Party Administrator Liaison/]
+    N8(Policy Cancellation)
+    N9(Reinsurance Negotiation)
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Telematics Data Analysis
+        nest0_0[Broker Management]
+        nest0_1(Policy Issuance)
+    end
+    subgraph Annuity Sales
+        nest1_0(Property Damage Assessment)
+        nest1_1[(Auto Accident Claims)]
+        nest1_2([Customer Support])
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    nest0_0 --> |verifies| nest0_1
+    N8 --> nest0_0
+    nest0_1 --> N1
+    nest1_0 -.-> |supports| nest1_1
+    nest1_1 --> nest1_2
+    N7 -.-> nest1_0
+    nest1_2 -.-> N1
+    N5 --> S0
+    S0 -.-> N9
+    S0 --> N7
+    N3 -.-> S1
+    S1 -.-> N8
+    S1 -.-> N6
+    S1 -.-> N7
+    S1 --> N9
+    N0 --> M0
+    N1 -.-> M0
+    N5 -.-> M0
+    M0 -.-> N8
+    N0 --> M1
+    N2 --> M1
+    M1 -.-> N6
+    N3 -.-> M2
+    N2 --> M2
+    M2 -.-> N7
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#E9F7E8,stroke:#6EB76D
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#E9F7E8,stroke:#6EB76D
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#D7CCC8,stroke:#795548
+    style N8 fill:#C8EDFF,stroke:#82DAFF
+    style N9 fill:#D7CCC8,stroke:#795548
+    style S0 fill:#D7CCC8,stroke:#795548
+    style S1 fill:#D7CCC8,stroke:#795548
+    style M0 fill:#D7CCC8,stroke:#795548
+    style M1 fill:#D7CCC8,stroke:#795548
+    style M2 fill:#D7CCC8,stroke:#795548
+    style nest0_0 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_1 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_0 fill:#D7CCC8,stroke:#795548
+    style nest1_1 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_2 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_165.txt b/train/mermaid/hard/mermaid_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8542554babcd2719d2afdd9a517532336df29fc4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_165.txt
@@ -0,0 +1,31 @@
+<Actuarial Analysis, forecasts, Catastrophe Modeling>
+<Actuarial Analysis, partOf, Telematics Data Analysis>
+<Agent Training, connectedTo, Compliance Reporting>
+<Agent Training, partOf, Broker Management>
+<Annuity Sales, connectedTo, Cyber Insurance Policy>
+<Business Interruption Coverage, connectedTo, Subrogation>
+<Business Interruption Coverage, partOf, Telematics Data Analysis>
+<Catastrophe Modeling, connectedTo, Annuity Sales>
+<Catastrophe Modeling, connectedTo, Business Interruption Coverage>
+<Compliance Reporting, connectedTo, Annuity Sales>
+<Compliance Reporting, connectedTo, Catastrophe Modeling>
+<Compliance Reporting, connectedTo, Cyber Insurance Policy>
+<Compliance Reporting, connectedTo, Policy Application>
+<Compliance Reporting, connectedTo, Property Damage Assessment>
+<Coverage Review, connectedTo, Actuarial Analysis>
+<Coverage Review, partOf, Telematics Data Analysis>
+<Customer Support, connectedTo, Agent Training>
+<Customer Support, partOf, Broker Management>
+<Cyber Insurance Policy, connectedTo, Fraud Investigation>
+<Healthcare Provider Network Management, cancels, Property Damage Assessment>
+<Healthcare Provider Network Management, connectedTo, Annuity Sales>
+<Healthcare Provider Network Management, connectedTo, Catastrophe Modeling>
+<Healthcare Provider Network Management, connectedTo, Fraud Investigation>
+<Healthcare Provider Network Management, reviews, Compliance Reporting>
+<Life Insurance Underwriting, connectedTo, Customer Support>
+<Life Insurance Underwriting, partOf, Broker Management>
+<Policy Application, connectedTo, Life Insurance Underwriting>
+<Policy Application, partOf, Broker Management>
+<Property Damage Assessment, connectedTo, Catastrophe Modeling>
+<Subrogation, connectedTo, Coverage Review>
+<Subrogation, partOf, Telematics Data Analysis>
diff --git a/train/mermaid/hard/mermaid_166.png b/train/mermaid/hard/mermaid_166.png
new file mode 100644
index 0000000000000000000000000000000000000000..7aa72635a8732eeb6f924506673706bafbb9cde7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_166.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3c71004b30f241af4b99c87da4907d9db371ce68c7f763e653492b6eda473c13
+size 168815
diff --git a/train/mermaid/hard/mermaid_168.txt b/train/mermaid/hard/mermaid_168.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c22750cf8addbf1cf8edb22eecd408e9e3f0ea92
--- /dev/null
+++ b/train/mermaid/hard/mermaid_168.txt
@@ -0,0 +1,29 @@
+<Business Interruption Coverage, connectedTo, Fraud Investigation>
+<Business Interruption Coverage, partOf, Auto Accident Claims>
+<Catastrophe Modeling, connectedTo, Legal Review of Claims>
+<Catastrophe Modeling, connectedTo, Risk Assessment>
+<Claim Adjustment, connectedTo, Customer Onboarding>
+<Claim Adjustment, partOf, Telematics Data Analysis>
+<Compliance Reporting, connectedTo, Policy Issuance>
+<Compliance Reporting, partOf, Auto Accident Claims>
+<Customer Onboarding, connectedTo, Life Insurance Underwriting>
+<Customer Onboarding, connectedTo, Payment Processing>
+<Customer Onboarding, connectedTo, Policy Issuance>
+<Digital Policy Management, connectedTo, Policy Renewal>
+<Fraud Investigation, connectedTo, Compliance Reporting>
+<Fraud Investigation, partOf, Auto Accident Claims>
+<Legal Review of Claims, connectedTo, Life Insurance Underwriting>
+<Payment Processing, connectedTo, Legal Review of Claims>
+<Policy Issuance, connectedTo, Catastrophe Modeling>
+<Policy Issuance, connectedTo, Legal Review of Claims>
+<Policy Issuance, connectedTo, Payment Processing>
+<Policy Renewal, connectedTo, Customer Onboarding>
+<Policy Renewal, connectedTo, Legal Review of Claims>
+<Property Damage Assessment, connectedTo, Business Interruption Coverage>
+<Property Damage Assessment, partOf, Auto Accident Claims>
+<Risk Assessment, connectedTo, Legal Review of Claims>
+<Risk Assessment, connectedTo, Payment Processing>
+<Risk Assessment, connectedTo, Property Damage Assessment>
+<Risk Assessment, connectedTo, Subrogation>
+<Subrogation, connectedTo, Claim Adjustment>
+<Subrogation, partOf, Telematics Data Analysis>
diff --git a/train/mermaid/hard/mermaid_169.txt b/train/mermaid/hard/mermaid_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..71ba831542339832c5305b43bdb5df1e47318e52
--- /dev/null
+++ b/train/mermaid/hard/mermaid_169.txt
@@ -0,0 +1,38 @@
+<Access Control, connectedTo, Physical Security Integration>
+<Backup and Recovery, connectedTo, Compliance Monitoring>
+<Backup and Recovery, connectedTo, Digital Forensics>
+<Backup and Recovery, connectedTo, User Training>
+<Backup and Recovery, connectedTo, end>
+<Backup and Recovery, designs, Security Operations Center Monitoring>
+<Compliance Monitoring, connectedTo, Firewall Configuration>
+<Compliance Monitoring, connectedTo, Intrusion Prevention>
+<Compliance Monitoring, connectedTo, User Training>
+<Compliance Monitoring, connectedTo, end>
+<Data Loss Prevention, implements, Web Application Firewall Deployment>
+<Data Loss Prevention, partOf, Application Security>
+<Digital Forensics, connectedTo, Compliance Monitoring>
+<Firewall Configuration, connectedTo, end>
+<Intrusion Prevention, connectedTo, User Training>
+<Malware Analysis, connectedTo, Intrusion Prevention>
+<Malware Analysis, partOf, Cryptography Implementation>
+<Penetration Testing, authenticates, Security Policy Development>
+<Penetration Testing, connectedTo, Compliance Monitoring>
+<Physical Security Integration, connectedTo, Compliance Monitoring>
+<Physical Security Integration, connectedTo, Security Information and Event Management>
+<Risk Management Framework, connectedTo, Penetration Testing>
+<Security Information and Event Management, connectedTo, Backup and Recovery>
+<Security Operations Center Monitoring, connectedTo, Firewall Configuration>
+<Security Operations Center Monitoring, connectedTo, Threat Detection>
+<Security Policy Development, connectedTo, Access Control>
+<Supply Chain Security, connectedTo, Malware Analysis>
+<Supply Chain Security, partOf, Cryptography Implementation>
+<Threat Detection, connectedTo, Supply Chain Security>
+<Threat Detection, partOf, Cryptography Implementation>
+<User Training, connectedTo, Data Loss Prevention>
+<User Training, connectedTo, Security Operations Center Monitoring>
+<Vulnerability Assessment, connectedTo, Risk Management Framework>
+<Vulnerability Assessment, partOf, Application Security>
+<Web Application Firewall Deployment, connectedTo, Vulnerability Assessment>
+<Web Application Firewall Deployment, partOf, Application Security>
+<start, connectedTo, Risk Management Framework>
+<start, prevents, Compliance Monitoring>
diff --git a/train/mermaid/hard/mermaid_17.txt b/train/mermaid/hard/mermaid_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6eb1d0de5761ca38da8f8682c3f3f3047946b83
--- /dev/null
+++ b/train/mermaid/hard/mermaid_17.txt
@@ -0,0 +1,34 @@
+<Assembly, partOf, Component Sourcing>
+<Assembly, prototypes, Production Scheduling>
+<Automated Guided Vehicle Operation, connectedTo, Workflow Optimization>
+<Automated Guided Vehicle Operation, partOf, Component Sourcing>
+<Design Review, connectedTo, Supply Chain Synchronization>
+<Final Testing, connectedTo, Painting>
+<Final Testing, connectedTo, Yield Optimization>
+<Final Testing, cuts, Logistics Planning>
+<Inspection, connectedTo, Design Review>
+<Inspection, connectedTo, Production Scheduling>
+<Inspection, connectedTo, Supply Chain Synchronization>
+<Inspection, connectedTo, Yield Optimization>
+<Logistics Planning, connectedTo, Inspection>
+<Logistics Planning, connectedTo, Packaging>
+<Logistics Planning, connectedTo, Painting>
+<Packaging, connectedTo, Welding>
+<Packaging, partOf, Supplier Qualification>
+<Painting, connectedTo, Inspection>
+<Production Scheduling, connectedTo, Design Review>
+<Production Scheduling, connectedTo, Supply Chain Synchronization>
+<Production Scheduling, connectedTo, Yield Optimization>
+<Quality Control, connectedTo, Final Testing>
+<Quality Control, connectedTo, Inspection>
+<Quality Control, connectedTo, Painting>
+<Quality Control, connectedTo, Yield Optimization>
+<Storage, connectedTo, Inspection>
+<Storage, connectedTo, Quality Control>
+<Storage, connectedTo, Yield Optimization>
+<Supply Chain Synchronization, connectedTo, Automated Guided Vehicle Operation>
+<Supply Chain Synchronization, connectedTo, Yield Optimization>
+<Welding, connectedTo, Quality Control>
+<Welding, partOf, Supplier Qualification>
+<Workflow Optimization, connectedTo, Assembly>
+<Workflow Optimization, partOf, Component Sourcing>
diff --git a/train/mermaid/hard/mermaid_171.txt b/train/mermaid/hard/mermaid_171.txt
new file mode 100644
index 0000000000000000000000000000000000000000..74647c03f6bc492ff7484d2c3c836bcfffc55258
--- /dev/null
+++ b/train/mermaid/hard/mermaid_171.txt
@@ -0,0 +1,38 @@
+<Access Control, connectedTo, Disaster Recovery Planning>
+<Access Control, connectedTo, Risk Management Framework>
+<Access Control, forensics, Application Security>
+<Application Security, connectedTo, Risk Management Framework>
+<Application Security, scans, Data Encryption>
+<Dark Web Monitoring, connectedTo, Insider Threat Detection>
+<Data Encryption, connectedTo, Mobile Security>
+<Data Encryption, partOf, Antivirus Management>
+<Digital Forensics, connectedTo, Compliance Monitoring>
+<Disaster Recovery Planning, connectedTo, Security Information and Event Management>
+<Disaster Recovery Planning, partOf, Security Awareness Training>
+<Incident Response, connectedTo, Application Security>
+<Incident Response, partOf, Security Awareness Training>
+<Insider Threat Detection, connectedTo, Digital Forensics>
+<Intrusion Prevention, connectedTo, Access Control>
+<Intrusion Prevention, connectedTo, Application Security>
+<Intrusion Prevention, connectedTo, Insider Threat Detection>
+<Intrusion Prevention, connectedTo, Risk Management Framework>
+<Intrusion Prevention, connectedTo, Security Audit>
+<Intrusion Prevention, connectedTo, Security Patch Management>
+<Intrusion Prevention, isolates, Risk Management Framework>
+<Intrusion Prevention, notifies, Dark Web Monitoring>
+<Mobile Security, connectedTo, Access Control>
+<Mobile Security, partOf, Antivirus Management>
+<Penetration Testing, connectedTo, Intrusion Prevention>
+<Penetration Testing, connectedTo, Risk Management Framework>
+<Phishing Simulation, connectedTo, Dark Web Monitoring>
+<Risk Management Framework, connectedTo, Compliance Monitoring>
+<Risk Management Framework, connectedTo, Dark Web Monitoring>
+<Risk Management Framework, connectedTo, Insider Threat Detection>
+<Risk Management Framework, connectedTo, Security Patch Management>
+<Security Audit, connectedTo, Access Control>
+<Security Audit, connectedTo, Risk Management Framework>
+<Security Information and Event Management, connectedTo, Vulnerability Assessment>
+<Security Information and Event Management, partOf, Security Awareness Training>
+<Security Patch Management, connectedTo, Phishing Simulation>
+<Vulnerability Assessment, connectedTo, Incident Response>
+<Vulnerability Assessment, partOf, Security Awareness Training>
diff --git a/train/mermaid/hard/mermaid_172.txt b/train/mermaid/hard/mermaid_172.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8951b11475127dc5dbd81d81d9bced7b12a7f7c0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_172.txt
@@ -0,0 +1,35 @@
+<Backup and Recovery, connectedTo, Security Patch Management>
+<Backup and Recovery, partOf, Dark Web Monitoring>
+<Cloud Security, connectedTo, Endpoint Protection>
+<DevSecOps Integration, connectedTo, Cloud Security>
+<Digital Forensics, connectedTo, Threat Intelligence Gathering>
+<Digital Forensics, partOf, Compliance Monitoring>
+<Endpoint Protection, connectedTo, Backup and Recovery>
+<Endpoint Protection, connectedTo, Risk Management Framework>
+<Endpoint Protection, connectedTo, Web Application Firewall Deployment>
+<Firewall Configuration, connectedTo, DevSecOps Integration>
+<Identity Management, connectedTo, DevSecOps Integration>
+<Identity Management, connectedTo, Intrusion Prevention>
+<Identity Management, connectedTo, Penetration Testing>
+<Insider Threat Detection, connectedTo, DevSecOps Integration>
+<Insider Threat Detection, connectedTo, Identity Management>
+<Insider Threat Detection, connectedTo, Intrusion Prevention>
+<Insider Threat Detection, connectedTo, Penetration Testing>
+<Intrusion Prevention, connectedTo, Cloud Security>
+<Intrusion Prevention, connectedTo, DevSecOps Integration>
+<Intrusion Prevention, connectedTo, Endpoint Protection>
+<Intrusion Prevention, connectedTo, Firewall Configuration>
+<Intrusion Prevention, connectedTo, Risk Management Framework>
+<Intrusion Prevention, connectedTo, Threat Intelligence Gathering>
+<Penetration Testing, connectedTo, DevSecOps Integration>
+<Penetration Testing, connectedTo, Intrusion Prevention>
+<Risk Management Framework, connectedTo, Threat Intelligence Gathering>
+<Security Patch Management, connectedTo, Security Policy Development>
+<Security Patch Management, partOf, Dark Web Monitoring>
+<Security Policy Development, partOf, Dark Web Monitoring>
+<Security Policy Development, reports, Identity Management>
+<Web Application Firewall Deployment, connectedTo, Digital Forensics>
+<Web Application Firewall Deployment, partOf, Compliance Monitoring>
+<start, connectedTo, DevSecOps Integration>
+<start, connectedTo, Penetration Testing>
+<start, forensics, Insider Threat Detection>
diff --git a/train/mermaid/hard/mermaid_174.txt b/train/mermaid/hard/mermaid_174.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5f2d3bcf0813e6a59ffdb792c90e2f05b3d2050
--- /dev/null
+++ b/train/mermaid/hard/mermaid_174.txt
@@ -0,0 +1,40 @@
+<Access Control, connectedTo, Incident Response>
+<Access Control, connectedTo, Network Security>
+<Antivirus Management, connectedTo, Identity Management>
+<Compliance Monitoring, connectedTo, Endpoint Protection>
+<Cryptography Implementation, connectedTo, Web Application Firewall Deployment>
+<Dark Web Monitoring, connectedTo, Intrusion Prevention>
+<Dark Web Monitoring, partOf, IoT Security>
+<Data Loss Prevention, connectedTo, Dark Web Monitoring>
+<Data Loss Prevention, partOf, IoT Security>
+<Endpoint Protection, connectedTo, Risk Management Framework>
+<Identity Management, connectedTo, Incident Response>
+<Identity Management, connectedTo, Security Audit>
+<Incident Response, connectedTo, Compliance Monitoring>
+<Intrusion Prevention, connectedTo, Data Encryption>
+<Intrusion Prevention, partOf, IoT Security>
+<Mobile Security, connectedTo, Antivirus Management>
+<Mobile Security, connectedTo, Security Awareness Training>
+<Network Security, connectedTo, Compliance Monitoring>
+<Network Security, connectedTo, Risk Management Framework>
+<Network Security, connectedTo, Security Patch Management>
+<Network Security, connectedTo, Threat Detection>
+<Risk Management Framework, connectedTo, Security Patch Management>
+<Risk Management Framework, connectedTo, Security Policy Development>
+<Security Audit, connectedTo, Access Control>
+<Security Awareness Training, connectedTo, Data Loss Prevention>
+<Security Awareness Training, partOf, IoT Security>
+<Security Patch Management, detects, Data Encryption>
+<Security Policy Development, connectedTo, Threat Intelligence Gathering>
+<Security Policy Development, partOf, Penetration Testing>
+<Supply Chain Security, connectedTo, Risk Management Framework>
+<Supply Chain Security, partOf, Penetration Testing>
+<Threat Detection, connectedTo, Incident Response>
+<Threat Intelligence Gathering, connectedTo, Supply Chain Security>
+<Threat Intelligence Gathering, partOf, Penetration Testing>
+<Web Application Firewall Deployment, connectedTo, Incident Response>
+<Web Application Firewall Deployment, connectedTo, Mobile Security>
+<start, connectedTo, Access Control>
+<start, connectedTo, Cryptography Implementation>
+<start, connectedTo, Incident Response>
+<start, connectedTo, Network Security>
diff --git a/train/mermaid/hard/mermaid_178.png b/train/mermaid/hard/mermaid_178.png
new file mode 100644
index 0000000000000000000000000000000000000000..258ef2518628b6a8f5551d49265f11a8deba9956
--- /dev/null
+++ b/train/mermaid/hard/mermaid_178.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3d5555d3468f560366c6911c820030b764e93a1d546c0f7b30733c7e96d01659
+size 203549
diff --git a/train/mermaid/hard/mermaid_179.mmd b/train/mermaid/hard/mermaid_179.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e8caabd5af9666b99dab5a44482f77373909155e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_179.mmd
@@ -0,0 +1,154 @@
+graph BT
+    N0([start])
+    N1[[Scene Creation]]
+    N2{Remote Control}
+    N3[Power Outage Notification]
+    N4[Centralized Hub Configuration]
+    N5(Home Security System Activation)
+    N6{Emergency Service Connection}
+    N7(Energy Consumption Optimization)
+    N8(Lighting Automation)
+    N9(Thermostat Adjustment)
+    N10[Smart Appliance Control]
+    N11[/Device Pairing/]
+    N12[(Curtain Automation)]
+    N13[Door Lock Management]
+    N14[[Irrigation System Control]]
+    N15[/Garage Door Control/]
+    N16[/Personalized Comfort Settings/]
+    N17([Elderly Care Monitoring])
+    N18[Child Monitoring]
+    N19([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph App Control
+        nest0_0[Energy Monitoring]
+        nest0_1[Leak Detection]
+    end
+    subgraph Security Alert
+        nest1_0[/Smart Plug Management/]
+        nest1_1(Automated Vacuum Cleaning)
+        nest1_2(Guest Access Management)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> |measures| N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    N16 -.-> N17
+    N17 -.-> |schedules| N18
+    N18 -.-> N19
+    nest0_0 -.-> nest0_1
+    N18 --> nest0_0
+    nest0_1 --> N9
+    nest1_0 --> |interacts| nest1_1
+    nest1_1 --> nest1_2
+    N11 --> nest1_0
+    nest1_2 -.-> N7
+    N10 --> S0
+    S0 --> N13
+    S0 --> N14
+    N12 -.-> S1
+    S1 -.-> N14
+    S1 -.-> N15
+    S1 --> N18
+    S1 --> N16
+    N7 -.-> M0
+    N5 -.-> M0
+    N6 --> M0
+    M0 -.-> N14
+    N7 --> M1
+    N9 --> M1
+    M1 -.-> N15
+    N5 --> M2
+    N4 -.-> M2
+    M2 --> N8
+    style N0 fill:#FCFCE7,stroke:#DCE775
+    style N1 fill:#FCFCE7,stroke:#DCE775
+    style N2 fill:#FCFCE7,stroke:#DCE775
+    style N3 fill:#FCFCE7,stroke:#DCE775
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#F1F8FF,stroke:#42A5F5
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FBE9E7,stroke:#FF8A65
+    style N9 fill:#F1F8FF,stroke:#42A5F5
+    style N10 fill:#FCFCE7,stroke:#DCE775
+    style N11 fill:#F1F8FF,stroke:#42A5F5
+    style N12 fill:#FCFCE7,stroke:#DCE775
+    style N13 fill:#F1F8FF,stroke:#42A5F5
+    style N14 fill:#F1F8FF,stroke:#42A5F5
+    style N15 fill:#FCFCE7,stroke:#DCE775
+    style N16 fill:#FBE9E7,stroke:#FF8A65
+    style N17 fill:#FBE9E7,stroke:#FF8A65
+    style N18 fill:#FBE9E7,stroke:#FF8A65
+    style N19 fill:#FBE9E7,stroke:#FF8A65
+    style S0 fill:#F1F8FF,stroke:#42A5F5
+    style S1 fill:#F1F8FF,stroke:#42A5F5
+    style M0 fill:#FCFCE7,stroke:#DCE775
+    style M1 fill:#F1F8FF,stroke:#42A5F5
+    style M2 fill:#FCFCE7,stroke:#DCE775
+    style nest0_0 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_1 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_0 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_1 fill:#FCFCE7,stroke:#DCE775
+    style nest1_2 fill:#FCFCE7,stroke:#DCE775
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_179.png b/train/mermaid/hard/mermaid_179.png
new file mode 100644
index 0000000000000000000000000000000000000000..a5f4bed3b36eac3467d7367d07e87a614a0d168c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_179.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4a94116ba7831c89c5529989312b8cc68f787b42f00c7cebee6390478959c86
+size 531419
diff --git a/train/mermaid/hard/mermaid_180.txt b/train/mermaid/hard/mermaid_180.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d117988def288b03332a2814bc5e43826a353f8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_180.txt
@@ -0,0 +1,40 @@
+<App Control, partOf, Personalized Comfort Settings>
+<App Control, yes, Leak Detection>
+<Automated Vacuum Cleaning, connectedTo, Remote Control>
+<Curtain Automation, connectedTo, Automated Vacuum Cleaning>
+<Curtain Automation, connectedTo, Pet Feeder Automation>
+<Doorbell Camera Alert, connectedTo, Voice Command>
+<Doorbell Camera Alert, partOf, Personalized Comfort Settings>
+<Energy Monitoring, connectedTo, Home Security System Activation>
+<Energy Monitoring, partOf, Guest Access Management>
+<Garage Door Control, connectedTo, Water Heater Control>
+<Garage Door Control, no, Voice Command>
+<Home Security System Activation, connectedTo, Sound System Integration>
+<Home Security System Activation, partOf, Guest Access Management>
+<Intercom System, connectedTo, Automated Vacuum Cleaning>
+<Intercom System, connectedTo, Lighting Automation>
+<Intercom System, connectedTo, Scene Creation>
+<Intercom System, connectedTo, Video Surveillance>
+<Intercom System, no, Voice Command>
+<Leak Detection, connectedTo, Doorbell Camera Alert>
+<Leak Detection, partOf, Personalized Comfort Settings>
+<Lighting Automation, connectedTo, Automated Vacuum Cleaning>
+<Lighting Automation, connectedTo, Pet Feeder Automation>
+<Lighting Automation, connectedTo, Remote Control>
+<Lighting Automation, connectedTo, Video Surveillance>
+<Lighting Automation, no, Curtain Automation>
+<Remote Control, connectedTo, Video Surveillance>
+<Scene Creation, connectedTo, Pet Feeder Automation>
+<Scene Creation, no, Lighting Automation>
+<Sound System Integration, connectedTo, Voice Command>
+<Sound System Integration, partOf, Guest Access Management>
+<Video Surveillance, connectedTo, Energy Monitoring>
+<Video Surveillance, connectedTo, Pet Feeder Automation>
+<Voice Command, connectedTo, Scene Creation>
+<Water Heater Control, connectedTo, App Control>
+<Water Heater Control, connectedTo, Pet Feeder Automation>
+<Water Heater Control, connectedTo, Voice Command>
+<Water Heater Control, no, Intercom System>
+<start, connectedTo, Garage Door Control>
+<start, connectedTo, Lighting Automation>
+<start, connectedTo, Voice Command>
diff --git a/train/mermaid/hard/mermaid_184.mmd b/train/mermaid/hard/mermaid_184.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..541761afdcf0290a1531dbdd24590254cfd117a3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_184.mmd
@@ -0,0 +1,114 @@
+graph LR
+    N0([start])
+    N1([Emergency Service Connection])
+    N2[Device Pairing]
+    N3[/Garage Door Control/]
+    N4{Leak Detection}
+    N5[(Energy Consumption Optimization)]
+    N6([Irrigation System Control])
+    N7[Firmware Update]
+    N8[Routine Scheduling]
+    N9(Centralized Hub Configuration)
+    N10(Door Lock Management)
+    N11[Geofencing Trigger]
+    N12[Smart Mirror Functionality]
+    N13[Intercom System]
+    N14[/Water Heater Control/]
+    N15([end])
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Window Sensor Monitoring
+        nest0_0[/Pet Feeder Automation/]
+        nest0_1[Smart Appliance Control]
+        nest0_2{Smoke Alarm Integration}
+        nest0_3[[Air Quality Monitoring]]
+    end
+    subgraph Home Security System Activation
+        nest1_0([Scene Creation])
+        nest1_1[[Elderly Care Monitoring]]
+        nest1_2{Motion Detection}
+        nest1_3[/Sound System Integration/]
+    end
+    N0 -.-> N1
+    N1 --> |no| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> |yes| N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N10 -.-> nest0_0
+    nest0_3 --> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N8 -.-> nest1_0
+    nest1_3 -.-> N8
+    N10 -.-> S1
+    S1 -.-> N14
+    S1 --> N12
+    N0 -.-> M0
+    N6 -.-> |yes| M0
+    N4 -.-> M0
+    M0 --> N11
+    N2 --> |yes| M1
+    N5 -.-> M1
+    M1 -.-> N7
+    N7 --> M2
+    N9 --> M2
+    M2 --> N15
+    style S1 fill:#E1F5FE,stroke:#4FC3F7
+    style M0 fill:#F0F4C3,stroke:#AED581
+    style M1 fill:#E1F5FE,stroke:#4FC3F7
+    style M2 fill:#F0F4C3,stroke:#AED581
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_185.mmd b/train/mermaid/hard/mermaid_185.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d21048a73af409d0953e5528b7537576809fb416
--- /dev/null
+++ b/train/mermaid/hard/mermaid_185.mmd
@@ -0,0 +1,126 @@
+graph BT
+    N0([Smart Building Integration])
+    N1(Digital Twins of City)
+    N2(Smart Grid Security)
+    N3[/Smart Parking/]
+    N4[/Air Quality Index Reporting/]
+    N5[[Disaster Resilience Planning]]
+    N6[Urban Planning Data Analysis]
+    N7[/Energy Grid Management/]
+    N8{Water Management System}
+    N9{Smart Education Initiatives}
+    N10{Smart Street Furniture}
+    N11([Public Safety Monitoring])
+    N12[/Predictive Maintenance for Utilities/]
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Environmental Sensor Network
+        nest0_0[Digital Kiosk Information]
+        nest0_1[E_governance Services]
+    end
+    subgraph Urban Mobility Solutions
+        nest1_0(City_wide Sensor Network Deployment)
+        nest1_1[/Public Transport Tracking/]
+        nest1_2[/Citizen Engagement Platform/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |parks| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    nest0_0 --> nest0_1
+    N12 --> nest0_0
+    nest0_1 --> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N4 --> nest1_0
+    nest1_2 --> N13
+    N8 --> S0
+    S0 --> N12
+    S0 --> N11
+    S0 --> N13
+    N4 -.-> S1
+    S1 -.-> N10
+    S1 -.-> N13
+    N1 -.-> M0
+    N0 -.-> M0
+    M0 --> N3
+    N9 -.-> M1
+    N5 -.-> M1
+    M1 -.-> N11
+    N3 --> M2
+    N1 --> M2
+    M2 --> N5
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#FFF9C4,stroke:#FFEB3B
+    style N3 fill:#D1C4E9,stroke:#7E57C2
+    style N4 fill:#FFFDE0,stroke:#FFF8A6
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#D1C4E9,stroke:#7E57C2
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#FFFDE0,stroke:#FFF8A6
+    style N10 fill:#D1C4E9,stroke:#7E57C2
+    style N11 fill:#D1C4E9,stroke:#7E57C2
+    style N12 fill:#FFF9C4,stroke:#FFEB3B
+    style N13 fill:#FFFDE0,stroke:#FFF8A6
+    style S0 fill:#FFF9C4,stroke:#FFEB3B
+    style S1 fill:#FFF9C4,stroke:#FFEB3B
+    style M0 fill:#D1C4E9,stroke:#7E57C2
+    style M1 fill:#FFF9C4,stroke:#FFEB3B
+    style M2 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_0 fill:#FFFDE0,stroke:#FFF8A6
+    style nest0_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_0 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_1 fill:#FFF9C4,stroke:#FFEB3B
+    style nest1_2 fill:#FFF9C4,stroke:#FFEB3B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_185.txt b/train/mermaid/hard/mermaid_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6542e6307511718cea00e4771202b018a70a6a6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_185.txt
@@ -0,0 +1,36 @@
+<Air Quality Index Reporting, connectedTo, City_wide Sensor Network Deployment>
+<Air Quality Index Reporting, connectedTo, Disaster Resilience Planning>
+<Air Quality Index Reporting, connectedTo, Smart Street Furniture>
+<Air Quality Index Reporting, connectedTo, end>
+<Citizen Engagement Platform, connectedTo, end>
+<Citizen Engagement Platform, partOf, Urban Mobility Solutions>
+<City_wide Sensor Network Deployment, connectedTo, Public Transport Tracking>
+<City_wide Sensor Network Deployment, partOf, Urban Mobility Solutions>
+<Digital Kiosk Information, connectedTo, E_governance Services>
+<Digital Kiosk Information, partOf, Environmental Sensor Network>
+<Digital Twins of City, connectedTo, Disaster Resilience Planning>
+<Digital Twins of City, connectedTo, Smart Grid Security>
+<Digital Twins of City, connectedTo, Smart Parking>
+<Disaster Resilience Planning, connectedTo, Public Safety Monitoring>
+<Disaster Resilience Planning, connectedTo, Urban Planning Data Analysis>
+<E_governance Services, connectedTo, Smart Grid Security>
+<E_governance Services, partOf, Environmental Sensor Network>
+<Energy Grid Management, connectedTo, Water Management System>
+<Predictive Maintenance for Utilities, connectedTo, Digital Kiosk Information>
+<Predictive Maintenance for Utilities, connectedTo, end>
+<Public Safety Monitoring, connectedTo, Predictive Maintenance for Utilities>
+<Public Transport Tracking, connectedTo, Citizen Engagement Platform>
+<Public Transport Tracking, partOf, Urban Mobility Solutions>
+<Smart Building Integration, connectedTo, Digital Twins of City>
+<Smart Building Integration, connectedTo, Smart Parking>
+<Smart Education Initiatives, connectedTo, Public Safety Monitoring>
+<Smart Education Initiatives, connectedTo, Smart Street Furniture>
+<Smart Grid Security, connectedTo, Smart Parking>
+<Smart Parking, connectedTo, Air Quality Index Reporting>
+<Smart Parking, connectedTo, Disaster Resilience Planning>
+<Smart Street Furniture, connectedTo, Public Safety Monitoring>
+<Urban Planning Data Analysis, parks, Energy Grid Management>
+<Water Management System, connectedTo, Predictive Maintenance for Utilities>
+<Water Management System, connectedTo, Public Safety Monitoring>
+<Water Management System, connectedTo, Smart Education Initiatives>
+<Water Management System, connectedTo, end>
diff --git a/train/mermaid/hard/mermaid_186.mmd b/train/mermaid/hard/mermaid_186.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c9d6446337326b4b6ab6f728d990aeda2a364df7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_186.mmd
@@ -0,0 +1,128 @@
+graph BT
+    N0([start])
+    N1(Smart Street Furniture)
+    N2(Sustainable Resource Management)
+    N3(Predictive Maintenance for Utilities)
+    N4(Public Transport Tracking)
+    N5(Digital Twins of City)
+    N6[[Emergency Response System]]
+    N7[Smart Lighting]
+    N8[[Smart Education Initiatives]]
+    N9[(Waste Recycling Program)]
+    N10{Citizen Feedback Loop}
+    N11[[Renewable Energy Integration]]
+    N12([Water Management System])
+    N13([Smart Water Meters])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Environmental Sensor Network
+        nest0_0(Noise Pollution Monitoring)
+        nest0_1[[Urban Mobility Solutions]]
+    end
+    subgraph Waste Management Optimization
+        nest1_0[(Green Space Management)]
+        nest1_1(Public Health Monitoring)
+    end
+    N0 --> |educates| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> |responds| N12
+    N12 -.-> N13
+    nest0_0 -.-> |secures| nest0_1
+    N11 -.-> nest0_0
+    nest0_1 -.-> N11
+    nest1_0 -.-> nest1_1
+    N11 --> nest1_0
+    nest1_1 --> N11
+    N1 --> S0
+    S0 --> N5
+    S0 -.-> N7
+    N6 -.-> S1
+    S1 --> N10
+    S1 -.-> N11
+    N1 --> S2
+    S2 -.-> N3
+    S2 -.-> N9
+    N0 --> M0
+    N1 -.-> M0
+    M0 --> N3
+    N4 --> M1
+    N5 -.-> M1
+    M1 --> N7
+    N0 -.-> M2
+    N3 --> |tracks| M2
+    M2 --> N7
+    style N0 fill:#EBEBEB,stroke:#E0E0E0
+    style N1 fill:#FFF9D4,stroke:#FFE69C
+    style N2 fill:#FFF9D4,stroke:#FFE69C
+    style N3 fill:#E3F2FD,stroke:#64B5F6
+    style N4 fill:#FFF9D4,stroke:#FFE69C
+    style N5 fill:#E3F2FD,stroke:#64B5F6
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#EBEBEB,stroke:#E0E0E0
+    style N8 fill:#FFF9D4,stroke:#FFE69C
+    style N9 fill:#FFF9D4,stroke:#FFE69C
+    style N10 fill:#EBEBEB,stroke:#E0E0E0
+    style N11 fill:#EBEBEB,stroke:#E0E0E0
+    style N12 fill:#EBEBEB,stroke:#E0E0E0
+    style N13 fill:#FFF9D4,stroke:#FFE69C
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style S2 fill:#EBEBEB,stroke:#E0E0E0
+    style M0 fill:#E3F2FD,stroke:#64B5F6
+    style M1 fill:#FFF9D4,stroke:#FFE69C
+    style M2 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_0 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_1 fill:#E3F2FD,stroke:#64B5F6
+    style nest1_0 fill:#EBEBEB,stroke:#E0E0E0
+    style nest1_1 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFE69C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_187.txt b/train/mermaid/hard/mermaid_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc897e04132f249042932f296842770e7b0171d9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_187.txt
@@ -0,0 +1,39 @@
+<Air Quality Index Reporting, connectedTo, Digital Kiosk Information>
+<Air Quality Index Reporting, connectedTo, Environmental Sensor Network>
+<Citizen Feedback Loop, connectedTo, Data Privacy Protection>
+<Citizen Feedback Loop, connectedTo, Urban Planning Data Analysis>
+<Cybersecurity for Infrastructure, connectedTo, Air Quality Index Reporting>
+<Data Privacy Protection, connectedTo, Predictive Maintenance for Utilities>
+<Data Privacy Protection, partOf, Smart Grid Security>
+<Digital Kiosk Information, connectedTo, Smart Water Meters>
+<Digital Kiosk Information, connectedTo, Sustainable Resource Management>
+<Emergency Response System, connectedTo, Cybersecurity for Infrastructure>
+<Energy Grid Management, connectedTo, Water Management System>
+<Environmental Sensor Network, no, Smart Lighting>
+<Infrastructure Maintenance Alert, connectedTo, Noise Pollution Monitoring>
+<Infrastructure Maintenance Alert, partOf, Disaster Resilience Planning>
+<Intelligent Public Safety Cameras, connectedTo, Emergency Response System>
+<Noise Pollution Monitoring, connectedTo, Environmental Sensor Network>
+<Noise Pollution Monitoring, connectedTo, Public Health Monitoring>
+<Predictive Maintenance for Utilities, connectedTo, Public Wi_Fi Deployment>
+<Predictive Maintenance for Utilities, partOf, Smart Grid Security>
+<Public Health Monitoring, connectedTo, Intelligent Public Safety Cameras>
+<Public Wi_Fi Deployment, connectedTo, end>
+<Public Wi_Fi Deployment, partOf, Smart Grid Security>
+<Renewable Energy Integration, connectedTo, end>
+<Smart Lighting, connectedTo, Citizen Feedback Loop>
+<Smart Street Furniture, connectedTo, Infrastructure Maintenance Alert>
+<Smart Street Furniture, partOf, Disaster Resilience Planning>
+<Smart Water Meters, connectedTo, Smart Street Furniture>
+<Smart Water Meters, partOf, Disaster Resilience Planning>
+<Sustainable Resource Management, connectedTo, Energy Grid Management>
+<Sustainable Resource Management, connectedTo, Environmental Sensor Network>
+<Sustainable Resource Management, connectedTo, Smart Lighting>
+<Sustainable Resource Management, connectedTo, Urban Planning Data Analysis>
+<Sustainable Resource Management, connectedTo, end>
+<Urban Planning Data Analysis, connectedTo, Renewable Energy Integration>
+<Urban Planning Data Analysis, connectedTo, Water Management System>
+<Urban Planning Data Analysis, yes, Energy Grid Management>
+<Water Management System, connectedTo, Renewable Energy Integration>
+<start, connectedTo, Environmental Sensor Network>
+<start, connectedTo, Noise Pollution Monitoring>
diff --git a/train/mermaid/hard/mermaid_190.png b/train/mermaid/hard/mermaid_190.png
new file mode 100644
index 0000000000000000000000000000000000000000..1ff26b9040ec1dde9702784e833c7a589dfc8b5f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_190.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e67fa83f944a920ec6916735c100173aff2c661363e34b696fccd01cb756d6fc
+size 515516
diff --git a/train/mermaid/hard/mermaid_194.png b/train/mermaid/hard/mermaid_194.png
new file mode 100644
index 0000000000000000000000000000000000000000..81d77284cfaef0b675539b13430bb1515d8ccd93
--- /dev/null
+++ b/train/mermaid/hard/mermaid_194.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19b70bccc6023730598fa56e868c70960c825f917631f8b47f28c04e41ee3119
+size 245258
diff --git a/train/mermaid/hard/mermaid_194.txt b/train/mermaid/hard/mermaid_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a247b1a030e3d318fd6c2cf3433d95d78f8b64f9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_194.txt
@@ -0,0 +1,31 @@
+<Assay Development, connectedTo, Lab Automation>
+<Assay Development, partOf, Structural Biology>
+<Bioimaging, connectedTo, Stem Cell Research>
+<Biomanufacturing Scale_up, connectedTo, Bioprocess Optimization>
+<Biomanufacturing Scale_up, partOf, Nanobiotechnology Application>
+<Bioprocess Optimization, connectedTo, Personalized Medicine Formulation>
+<Bioprocess Optimization, partOf, Nanobiotechnology Application>
+<Biosensor Development, connectedTo, Bioimaging>
+<Biosensor Development, connectedTo, Environmental Bioremediation>
+<Biosensor Development, connectedTo, Genomic Editing>
+<Biosensor Development, connectedTo, Lab Automation>
+<Biosensor Development, connectedTo, Personalized Medicine Formulation>
+<Biosensor Development, connectedTo, Stem Cell Research>
+<Clinical Data Interpretation, connectedTo, Biomanufacturing Scale_up>
+<Clinical Data Interpretation, partOf, Nanobiotechnology Application>
+<Genomic Editing, connectedTo, Environmental Bioremediation>
+<Genomic Editing, connectedTo, Lab Automation>
+<Lab Automation, connectedTo, Environmental Bioremediation>
+<Personalized Medicine Formulation, connectedTo, Environmental Bioremediation>
+<Personalized Medicine Formulation, connectedTo, Genomic Editing>
+<Preclinical Testing, connectedTo, Personalized Medicine Formulation>
+<Preclinical Testing, connectedTo, Tissue Engineering>
+<Preclinical Testing, connectedTo, Vaccine Development>
+<Stem Cell Research, connectedTo, Environmental Bioremediation>
+<Stem Cell Research, connectedTo, Preclinical Testing>
+<Stem Cell Research, connectedTo, Synthetic Biology Design>
+<Synthetic Biology Design, connectedTo, Assay Development>
+<Synthetic Biology Design, partOf, Structural Biology>
+<Tissue Engineering, connectedTo, Clinical Data Interpretation>
+<Tissue Engineering, partOf, Nanobiotechnology Application>
+<Vaccine Development, connectedTo, Personalized Medicine Formulation>
diff --git a/train/mermaid/hard/mermaid_20.mmd b/train/mermaid/hard/mermaid_20.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..08300ffafdc7263a2dda0be3177fa9a7e9e4e625
--- /dev/null
+++ b/train/mermaid/hard/mermaid_20.mmd
@@ -0,0 +1,118 @@
+graph BT
+    N0([Packaging])
+    N1[(Product Design)]
+    N2[Maintenance]
+    N3(Component Sourcing)
+    N4[[Production Scheduling]]
+    N5[/Automated Assembly/]
+    N6(Defect Analysis)
+    N7(Final Testing)
+    N8(Safety Audit)
+    N9[/Tool Path Generation/]
+    N10(Predictive Maintenance)
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Yield Optimization
+        nest0_0[/Machine Calibration/]
+        nest0_1[Factory Layout Planning]
+    end
+    subgraph Environmental Compliance
+        nest1_0[Batch Tracking]
+        nest1_1[Serialization]
+        nest1_2[(Design Review)]
+        nest1_3[Ergonomics Assessment]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    nest0_0 --> nest0_1
+    N2 -.-> nest0_0
+    nest0_1 -.-> N1
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N7 --> nest1_0
+    nest1_3 -.-> N10
+    N5 -.-> S0
+    S0 -.-> N7
+    S0 --> N9
+    N5 -.-> S1
+    S1 -.-> N9
+    S1 -.-> N10
+    N3 --> M0
+    N0 -.-> M0
+    M0 --> N6
+    N6 -.-> |drills| M1
+    N4 --> |schedules| M1
+    N5 --> M1
+    M1 --> N9
+    N5 --> M2
+    N4 -.-> M2
+    M2 -.-> N10
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#D3D7EB,stroke:#8C9EFF
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#FFFCE6,stroke:#FFF9AE
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 fill:#D3D7EB,stroke:#8C9EFF
+    style S0 fill:#D3D7EB,stroke:#8C9EFF
+    style S1 fill:#FFFCE6,stroke:#FFF9AE
+    style M0 fill:#F0F0F0,stroke:#D2D2D2
+    style M1 fill:#D3D7EB,stroke:#8C9EFF
+    style M2 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_1 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_1 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_2 fill:#FFFCE6,stroke:#FFF9AE
+    style nest1_3 fill:#FFFCE6,stroke:#FFF9AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_20.txt b/train/mermaid/hard/mermaid_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d43f0a71217f9e0a552644d7b638d37f56ae79db
--- /dev/null
+++ b/train/mermaid/hard/mermaid_20.txt
@@ -0,0 +1,32 @@
+<Automated Assembly, connectedTo, Defect Analysis>
+<Automated Assembly, connectedTo, Final Testing>
+<Automated Assembly, connectedTo, Predictive Maintenance>
+<Automated Assembly, connectedTo, Tool Path Generation>
+<Batch Tracking, connectedTo, Serialization>
+<Batch Tracking, partOf, Environmental Compliance>
+<Component Sourcing, connectedTo, Defect Analysis>
+<Component Sourcing, connectedTo, Production Scheduling>
+<Defect Analysis, connectedTo, Final Testing>
+<Defect Analysis, drills, Tool Path Generation>
+<Design Review, connectedTo, Ergonomics Assessment>
+<Design Review, partOf, Environmental Compliance>
+<Ergonomics Assessment, connectedTo, Predictive Maintenance>
+<Ergonomics Assessment, partOf, Environmental Compliance>
+<Factory Layout Planning, connectedTo, Product Design>
+<Factory Layout Planning, partOf, Yield Optimization>
+<Final Testing, connectedTo, Batch Tracking>
+<Final Testing, connectedTo, Safety Audit>
+<Machine Calibration, connectedTo, Factory Layout Planning>
+<Machine Calibration, partOf, Yield Optimization>
+<Maintenance, connectedTo, Component Sourcing>
+<Maintenance, connectedTo, Machine Calibration>
+<Packaging, connectedTo, Defect Analysis>
+<Packaging, connectedTo, Product Design>
+<Product Design, connectedTo, Maintenance>
+<Production Scheduling, connectedTo, Automated Assembly>
+<Production Scheduling, connectedTo, Predictive Maintenance>
+<Production Scheduling, schedules, Tool Path Generation>
+<Safety Audit, connectedTo, Tool Path Generation>
+<Serialization, connectedTo, Design Review>
+<Serialization, partOf, Environmental Compliance>
+<Tool Path Generation, connectedTo, Predictive Maintenance>
diff --git a/train/mermaid/hard/mermaid_202.mmd b/train/mermaid/hard/mermaid_202.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fe3410af28d6249507cc932e2d656176db83050b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_202.mmd
@@ -0,0 +1,126 @@
+graph RL
+    N0([start])
+    N1(Injectable Drug Manufacturing)
+    N2(Cold Chain Logistics)
+    N3[(Clinical Supply Management)]
+    N4[(Post_Approval Commitment Tracking)]
+    N5[Quality Control]
+    N6(Market Access Strategy)
+    N7[/Drug Stability Testing/]
+    N8([Drug Research])
+    N9[[Clinical Data Management]]
+    N10[Audit Management]
+    N11(Patient Adherence Programs)
+    N12[(Global Regulatory Affairs)]
+    N13([Medical Writing])
+    N14([Packaging])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Sterile Product Filling
+        nest0_0(Compound Synthesis)
+        nest0_1[(Post_Marketing Surveillance)]
+    end
+    subgraph Pharmacovigilance
+        nest1_0(Solid Dosage Formulation)
+        nest1_1{Sales and Marketing Strategy}
+        nest1_2[Biostatistics]
+        nest1_3[/Active Pharmaceutical Ingredient Production/]
+    end
+    N0 --> |stores| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> |publishes| N12
+    N12 -.-> |secures| N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    N10 -.-> nest0_0
+    nest0_1 --> N6
+    nest1_0 --> |evaluates| nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N6 --> nest1_0
+    nest1_3 --> N7
+    N11 --> S0
+    S0 -.-> N13
+    S0 -.-> N14
+    N4 -.-> |consults| M0
+    N2 --> M0
+    N0 -.-> |licenses| M0
+    M0 -.-> N9
+    N4 --> M1
+    N3 --> M1
+    M1 -.-> N8
+    N4 --> M2
+    N3 --> M2
+    M2 --> N6
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#F6F6F6,stroke:#CFCFCF
+    style N4 fill:#E9F7E8,stroke:#6EB76D
+    style N5 fill:#BBDEFB,stroke:#2196F3
+    style N6 fill:#F6F6F6,stroke:#CFCFCF
+    style N7 fill:#F6F6F6,stroke:#CFCFCF
+    style N8 fill:#BBDEFB,stroke:#2196F3
+    style N9 fill:#F6F6F6,stroke:#CFCFCF
+    style N10 fill:#F6F6F6,stroke:#CFCFCF
+    style N11 fill:#F6F6F6,stroke:#CFCFCF
+    style N12 fill:#F6F6F6,stroke:#CFCFCF
+    style N13 fill:#F6F6F6,stroke:#CFCFCF
+    style N14 fill:#E9F7E8,stroke:#6EB76D
+    style S0 fill:#F6F6F6,stroke:#CFCFCF
+    style M0 fill:#F6F6F6,stroke:#CFCFCF
+    style M1 fill:#E9F7E8,stroke:#6EB76D
+    style M2 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_0 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_1 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_0 fill:#BBDEFB,stroke:#2196F3
+    style nest1_1 fill:#F6F6F6,stroke:#CFCFCF
+    style nest1_2 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_3 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CFCFCF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_202.png b/train/mermaid/hard/mermaid_202.png
new file mode 100644
index 0000000000000000000000000000000000000000..8908575d6a0ab2fdcd9a5d54db219751729bda65
--- /dev/null
+++ b/train/mermaid/hard/mermaid_202.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e4782db76efca4afa7245c913608616687062c03d22b2d733c730dd1a0242466
+size 169765
diff --git a/train/mermaid/hard/mermaid_202.txt b/train/mermaid/hard/mermaid_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d036679939b9a91cbc17dba40c7e80405d8ed10a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_202.txt
@@ -0,0 +1,37 @@
+<Active Pharmaceutical Ingredient Production, connectedTo, Drug Stability Testing>
+<Active Pharmaceutical Ingredient Production, partOf, Pharmacovigilance>
+<Audit Management, connectedTo, Compound Synthesis>
+<Audit Management, connectedTo, Patient Adherence Programs>
+<Biostatistics, connectedTo, Active Pharmaceutical Ingredient Production>
+<Biostatistics, partOf, Pharmacovigilance>
+<Clinical Data Management, connectedTo, Audit Management>
+<Clinical Supply Management, connectedTo, Drug Research>
+<Clinical Supply Management, connectedTo, Market Access Strategy>
+<Clinical Supply Management, connectedTo, Post_Approval Commitment Tracking>
+<Cold Chain Logistics, connectedTo, Clinical Data Management>
+<Cold Chain Logistics, connectedTo, Clinical Supply Management>
+<Compound Synthesis, connectedTo, Post_Marketing Surveillance>
+<Compound Synthesis, partOf, Sterile Product Filling>
+<Drug Research, connectedTo, Clinical Data Management>
+<Drug Stability Testing, connectedTo, Drug Research>
+<Global Regulatory Affairs, secures, Medical Writing>
+<Injectable Drug Manufacturing, connectedTo, Cold Chain Logistics>
+<Market Access Strategy, connectedTo, Drug Stability Testing>
+<Market Access Strategy, connectedTo, Solid Dosage Formulation>
+<Medical Writing, connectedTo, Packaging>
+<Patient Adherence Programs, connectedTo, Medical Writing>
+<Patient Adherence Programs, connectedTo, Packaging>
+<Patient Adherence Programs, publishes, Global Regulatory Affairs>
+<Post_Approval Commitment Tracking, connectedTo, Drug Research>
+<Post_Approval Commitment Tracking, connectedTo, Market Access Strategy>
+<Post_Approval Commitment Tracking, connectedTo, Quality Control>
+<Post_Approval Commitment Tracking, consults, Clinical Data Management>
+<Post_Marketing Surveillance, connectedTo, Market Access Strategy>
+<Post_Marketing Surveillance, partOf, Sterile Product Filling>
+<Quality Control, connectedTo, Market Access Strategy>
+<Sales and Marketing Strategy, connectedTo, Biostatistics>
+<Sales and Marketing Strategy, partOf, Pharmacovigilance>
+<Solid Dosage Formulation, evaluates, Sales and Marketing Strategy>
+<Solid Dosage Formulation, partOf, Pharmacovigilance>
+<start, licenses, Clinical Data Management>
+<start, stores, Injectable Drug Manufacturing>
diff --git a/train/mermaid/hard/mermaid_204.png b/train/mermaid/hard/mermaid_204.png
new file mode 100644
index 0000000000000000000000000000000000000000..959d5f71438d48acec05afe32dc8ff443445c1a3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_204.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5820e81a16beb5e8e9330d9f93664ae50f89ebe594504073c794a2508f130765
+size 390205
diff --git a/train/mermaid/hard/mermaid_208.txt b/train/mermaid/hard/mermaid_208.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c0e9ed1f715faf3cfc93954410535151d16248d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_208.txt
@@ -0,0 +1,35 @@
+<Active Pharmaceutical Ingredient Production, connectedTo, Counterfeit Drug Detection>
+<Active Pharmaceutical Ingredient Production, connectedTo, Good Manufacturing Practices>
+<Audit Management, connectedTo, Packaging>
+<Audit Management, partOf, Quality Control>
+<Batch Release, connectedTo, Formulation Development>
+<Clinical Supply Management, partOf, Cleanroom Operations>
+<Clinical Supply Management, yes, Post_Marketing Surveillance>
+<Compound Synthesis, connectedTo, Global Regulatory Affairs>
+<Counterfeit Drug Detection, connectedTo, Sales and Marketing Strategy>
+<Formulation Development, connectedTo, end>
+<Global Regulatory Affairs, connectedTo, Injectable Drug Manufacturing>
+<Global Regulatory Affairs, connectedTo, Packaging>
+<Global Regulatory Affairs, connectedTo, end>
+<Good Manufacturing Practices, connectedTo, Clinical Supply Management>
+<Good Manufacturing Practices, partOf, Cleanroom Operations>
+<Injectable Drug Manufacturing, connectedTo, Batch Release>
+<Injectable Drug Manufacturing, connectedTo, Medical Writing>
+<Injectable Drug Manufacturing, connectedTo, Packaging>
+<Manufacturing Scale_up, connectedTo, Compound Synthesis>
+<Medical Writing, connectedTo, Active Pharmaceutical Ingredient Production>
+<Packaging, connectedTo, Patient Adherence Programs>
+<Patent Application, connectedTo, Post_Marketing Surveillance>
+<Patient Adherence Programs, connectedTo, Patent Application>
+<Pharmacovigilance, connectedTo, Manufacturing Scale_up>
+<Pharmacovigilance, connectedTo, end>
+<Post_Marketing Surveillance, connectedTo, Medical Writing>
+<Post_Marketing Surveillance, connectedTo, Supply Chain Management>
+<Sales and Marketing Strategy, connectedTo, Solid Dosage Formulation>
+<Solid Dosage Formulation, connectedTo, Batch Release>
+<Supply Chain Management, connectedTo, Audit Management>
+<Supply Chain Management, partOf, Quality Control>
+<start, connectedTo, Manufacturing Scale_up>
+<start, connectedTo, Packaging>
+<start, connectedTo, Pharmacovigilance>
+<start, connectedTo, Post_Marketing Surveillance>
diff --git a/train/mermaid/hard/mermaid_212.mmd b/train/mermaid/hard/mermaid_212.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0875d9f1355914a5c90ef2dd80e96becaa969383
--- /dev/null
+++ b/train/mermaid/hard/mermaid_212.mmd
@@ -0,0 +1,136 @@
+graph BT
+    N0([start])
+    N1{Swarm Robotics}
+    N2(Sensor Integration)
+    N3(Force Control)
+    N4[/Robot Design/]
+    N5{Exploration Robotics}
+    N6[(System Integration)]
+    N7(Exoskeleton Development)
+    N8[/Safety System Implementation/]
+    N9[[Data Collection]]
+    N10([Collaborative Robotics])
+    N11{Agricultural Robotics}
+    N12[Underwater Robotics]
+    N13(Robot Fleet Management)
+    N14[/End_Effector Design/]
+    N15(Machine Vision)
+    N16{Robot Programming}
+    N17([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Fault Detection and Diagnosis
+        nest0_0[/Software Development/]
+        nest0_1{Robotics Simulation}
+        nest0_2[(Actuator Control)]
+        nest0_3[(Autonomous Navigation)]
+    end
+    subgraph Grasping and Manipulation
+        nest1_0[Path Planning]
+        nest1_1[Robot Assembly]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N13 --> nest0_0
+    nest0_3 --> N13
+    nest1_0 --> nest1_1
+    N11 -.-> nest1_0
+    nest1_1 --> N2
+    N9 --> S0
+    S0 --> N14
+    S0 --> N16
+    S0 -.-> N12
+    N2 -.-> S1
+    S1 -.-> N9
+    S1 --> N8
+    S1 -.-> N7
+    N9 --> S2
+    S2 --> N12
+    S2 -.-> N15
+    S2 --> N11
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N4
+    N11 --> M1
+    N0 -.-> M1
+    N7 -.-> M1
+    M1 --> N15
+    N0 --> M2
+    N1 -.-> M2
+    M2 --> N6
+    style S0 fill:#C8E6C9,stroke:#4CAF50
+    style S1 fill:#FFF0CC,stroke:#FFCC80
+    style S2 fill:#FFF0CC,stroke:#FFCC80
+    style M0 fill:#FFF0CC,stroke:#FFCC80
+    style M1 fill:#E0E6E9,stroke:#AABEC6
+    style M2 fill:#E0E6E9,stroke:#AABEC6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_219.mmd b/train/mermaid/hard/mermaid_219.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..39207e32559887ec63ee167481815e73c678c951
--- /dev/null
+++ b/train/mermaid/hard/mermaid_219.mmd
@@ -0,0 +1,136 @@
+graph LR
+    N0([Steel Erection])
+    N1[(Site Logistics)]
+    N2([Electrical Wiring])
+    N3[Change Order Management]
+    N4[(Safety Inspection)]
+    N5[/HVAC Installation/]
+    N6[[Robotics in Construction]]
+    N7[Site Planning]
+    N8(Pre_fabrication)
+    N9[Demolition]
+    N10([Structural Framing])
+    N11[(Waste Management)]
+    N12[[Sustainable Building Design]]
+    N13(Permit Application)
+    N14([Occupancy Permit Acquisition])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Plumbing Work
+        nest0_0[Post_Construction Handover]
+        nest0_1[[Drone Surveying]]
+        nest0_2[(Quality Assurance)]
+        nest0_3[/Blueprint Review/]
+    end
+    subgraph Road Construction
+        nest1_0[[Roofing Installation]]
+        nest1_1[/Site Decontamination/]
+        nest1_2[Foundation Laying]
+        nest1_3[BIM Modeling]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> |develops| N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N13 --> nest0_0
+    nest0_3 --> N7
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N12 -.-> nest1_0
+    nest1_3 -.-> N3
+    N1 -.-> S0
+    S0 --> N12
+    S0 --> N9
+    N1 -.-> S1
+    S1 -.-> N10
+    S1 -.-> N6
+    N6 -.-> M0
+    N4 -.-> M0
+    N2 --> M0
+    M0 --> N11
+    N1 -.-> M1
+    N4 --> M1
+    N3 -.-> |budgets| M1
+    M1 -.-> N7
+    style N0 fill:#CFD8DC,stroke:#607D8B
+    style N1 fill:#CFD8DC,stroke:#607D8B
+    style N2 fill:#E8F0FF,stroke:#A2D0FF
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#CFD8DC,stroke:#607D8B
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#CFD8DC,stroke:#607D8B
+    style N8 fill:#F6F6F6,stroke:#CFCFCF
+    style N9 fill:#F6F6F6,stroke:#CFCFCF
+    style N10 fill:#F6F6F6,stroke:#CFCFCF
+    style N11 fill:#E8F0FF,stroke:#A2D0FF
+    style N12 fill:#E8F0FF,stroke:#A2D0FF
+    style N13 fill:#F6F6F6,stroke:#CFCFCF
+    style N14 fill:#F6F6F6,stroke:#CFCFCF
+    style S0 fill:#F6F6F6,stroke:#CFCFCF
+    style S1 fill:#CFD8DC,stroke:#607D8B
+    style M0 fill:#F6F6F6,stroke:#CFCFCF
+    style M1 fill:#F6F6F6,stroke:#CFCFCF
+    style nest0_0 fill:#CFD8DC,stroke:#607D8B
+    style nest0_1 fill:#CFD8DC,stroke:#607D8B
+    style nest0_2 fill:#F6F6F6,stroke:#CFCFCF
+    style nest0_3 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_0 fill:#CFD8DC,stroke:#607D8B
+    style nest1_1 fill:#CFD8DC,stroke:#607D8B
+    style nest1_2 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_3 fill:#E8F0FF,stroke:#A2D0FF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_220.mmd b/train/mermaid/hard/mermaid_220.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4376751c2bcaf0db85cd56027f03b10e41a6aefd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_220.mmd
@@ -0,0 +1,140 @@
+graph TD
+    N0([Blueprint Review])
+    N1(Bridge Building)
+    N2(Risk Assessment)
+    N3[Landscape Design]
+    N4[Pre_fabrication]
+    N5([Material Procurement])
+    N6[(Sustainable Building Design)]
+    N7[Site Planning]
+    N8(Robotics in Construction)
+    N9[[Project Scheduling]]
+    N10[(Budget Tracking)]
+    N11[/Road Construction/]
+    N12(BIM Modeling)
+    N13(Drone Surveying)
+    N14(Post_Construction Handover)
+    N15([Interior Finishing])
+    N16[(Tunneling)]
+    N17[Demolition]
+    N18(HVAC Installation)
+    N19([Subcontractor Management])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Plumbing Work
+        nest0_0{Site Decontamination}
+        nest0_1[Utility Connection]
+        nest0_2{Facade Installation}
+    end
+    subgraph Permit Application
+        nest1_0[(Concrete Pouring)]
+        nest1_1[Occupancy Permit Acquisition]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |plans| N4
+    N4 --> |coordinates| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |repairs| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 -.-> |erects| N15
+    N15 -.-> N16
+    N16 --> |renovates| N17
+    N17 --> N18
+    N18 --> N19
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N12 --> nest0_0
+    nest0_2 -.-> N11
+    nest1_0 --> nest1_1
+    N1 --> nest1_0
+    nest1_1 --> N3
+    N1 --> S0
+    S0 --> N11
+    S0 -.-> N8
+    S0 -.-> N3
+    S0 -.-> N5
+    N17 -.-> M0
+    N1 -.-> M0
+    N0 --> M0
+    M0 --> N19
+    N5 --> M1
+    N3 -.-> M1
+    N1 --> M1
+    M1 -.-> N7
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#CADEDE,stroke:#94C0C0
+    style N3 fill:#CADEDE,stroke:#94C0C0
+    style N4 fill:#CADEDE,stroke:#94C0C0
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#FFF9C4,stroke:#FFEB3B
+    style N10 fill:#F8FDD3,stroke:#D3EB9F
+    style N11 fill:#F8FDD3,stroke:#D3EB9F
+    style N12 fill:#FFF9C4,stroke:#FFEB3B
+    style N13 fill:#CADEDE,stroke:#94C0C0
+    style N14 fill:#F8FDD3,stroke:#D3EB9F
+    style N15 fill:#CADEDE,stroke:#94C0C0
+    style N16 fill:#FFF9C4,stroke:#FFEB3B
+    style N17 fill:#CADEDE,stroke:#94C0C0
+    style N18 fill:#F8FDD3,stroke:#D3EB9F
+    style N19 fill:#FFF9C4,stroke:#FFEB3B
+    style S0 fill:#F8FDD3,stroke:#D3EB9F
+    style M0 fill:#CADEDE,stroke:#94C0C0
+    style M1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_2 fill:#CADEDE,stroke:#94C0C0
+    style nest1_0 fill:#FFF9C4,stroke:#FFEB3B
+    style nest1_1 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#D3EB9F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_222.mmd b/train/mermaid/hard/mermaid_222.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..56c4d7cc4451d90c6c84436d2cbef8f35c92beb6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_222.mmd
@@ -0,0 +1,138 @@
+graph BT
+    N0([Robotics in Construction])
+    N1(Safety Inspection)
+    N2(Waste Management)
+    N3(Risk Assessment)
+    N4([Permit Application])
+    N5[Site Logistics]
+    N6[(Steel Erection)]
+    N7[Blueprint Review]
+    N8([Project Scheduling])
+    N9[(Structural Framing)]
+    N10([Road Construction])
+    N11[Subcontractor Management]
+    N12[[Material Procurement]]
+    N13[/Budget Tracking/]
+    N14[/Quality Assurance/]
+    N15[Utility Connection]
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Occupancy Permit Acquisition
+        nest0_0[BIM Modeling]
+        nest0_1[/Site Decontamination/]
+        nest0_2[(Change Order Management)]
+        nest0_3[[Electrical Wiring]]
+    end
+    subgraph Interior Finishing
+        nest1_0[(Drone Surveying)]
+        nest1_1[(Facade Installation)]
+        nest1_2(Plumbing Work)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |estimates| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |contracts| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 --> |materials| N16
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 --> N6
+    nest1_0 --> |demolishes| nest1_1
+    nest1_1 -.-> nest1_2
+    N5 -.-> nest1_0
+    nest1_2 -.-> N4
+    N5 --> S0
+    S0 --> N8
+    S0 -.-> N14
+    N11 --> S1
+    S1 --> |measures| N13
+    S1 -.-> N14
+    N2 --> M0
+    N1 --> M0
+    N6 -.-> M0
+    M0 --> N16
+    N9 --> M1
+    N8 -.-> M1
+    M1 --> N11
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#D1C4E9,stroke:#7E57C2
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#FCE4EC,stroke:#E91E63
+    style N7 fill:#D1C4E9,stroke:#7E57C2
+    style N8 fill:#FCE4EC,stroke:#E91E63
+    style N9 fill:#D1C4E9,stroke:#7E57C2
+    style N10 fill:#D1C4E9,stroke:#7E57C2
+    style N11 fill:#E8EAF6,stroke:#7986CB
+    style N12 fill:#D1C4E9,stroke:#7E57C2
+    style N13 fill:#D1C4E9,stroke:#7E57C2
+    style N14 fill:#FCE4EC,stroke:#E91E63
+    style N15 fill:#D1C4E9,stroke:#7E57C2
+    style N16 fill:#E8EAF6,stroke:#7986CB
+    style S0 fill:#E8EAF6,stroke:#7986CB
+    style S1 fill:#E8EAF6,stroke:#7986CB
+    style M0 fill:#D1C4E9,stroke:#7E57C2
+    style M1 fill:#E8EAF6,stroke:#7986CB
+    style nest0_0 fill:#FCE4EC,stroke:#E91E63
+    style nest0_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_2 fill:#E8EAF6,stroke:#7986CB
+    style nest0_3 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_0 fill:#E8EAF6,stroke:#7986CB
+    style nest1_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_2 fill:#D1C4E9,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_222.png b/train/mermaid/hard/mermaid_222.png
new file mode 100644
index 0000000000000000000000000000000000000000..5f37c1d8176455e3f12a9fb673cfbf655c118f20
--- /dev/null
+++ b/train/mermaid/hard/mermaid_222.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:58e662cad81de2e9b0f7e8db2a9c3aac6a2bd7353582a8063915720da805e0ef
+size 440103
diff --git a/train/mermaid/hard/mermaid_225.png b/train/mermaid/hard/mermaid_225.png
new file mode 100644
index 0000000000000000000000000000000000000000..7a7f185593140c2a92319a487ba404dcb4bafc9b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_225.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:40393a7eb4cd34df5cf14d6174093c61e4d966d4f7d83b9f3b108d8e930e0810
+size 212067
diff --git a/train/mermaid/hard/mermaid_225.txt b/train/mermaid/hard/mermaid_225.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3ea8232d8dd512239cd410370319408edf88a5d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_225.txt
@@ -0,0 +1,44 @@
+<Analytics Reporting, connectedTo, Radio Programming>
+<Analytics Reporting, partOf, Subscription Management>
+<Brand Partnerships, no, Data Monetization>
+<Broadcasting, connectedTo, Music Recording>
+<Broadcasting, connectedTo, Scriptwriting>
+<Content Creation, connectedTo, Analytics Reporting>
+<Content Creation, partOf, Subscription Management>
+<Content Moderation, connectedTo, Journalism>
+<Content Moderation, connectedTo, end>
+<Data Monetization, connectedTo, Content Moderation>
+<Data Monetization, connectedTo, Game Streaming>
+<Data Monetization, connectedTo, Music Recording>
+<Data Monetization, no, Visual Effects>
+<Data Monetization, no, end>
+<Game Streaming, connectedTo, Music Recording>
+<Interactive Storytelling, connectedTo, Broadcasting>
+<Journalism, connectedTo, Platform Development>
+<Journalism, partOf, Augmented Reality Experiences>
+<Music Recording, connectedTo, Content Creation>
+<Music Recording, connectedTo, Visual Effects>
+<Photojournalism, connectedTo, Content Moderation>
+<Photojournalism, connectedTo, Data Monetization>
+<Photojournalism, connectedTo, Visual Effects>
+<Photojournalism, no, Brand Partnerships>
+<Photojournalism, yes, Music Recording>
+<Platform Development, connectedTo, Print Layout>
+<Platform Development, partOf, Augmented Reality Experiences>
+<Podcast Production, connectedTo, Music Recording>
+<Podcast Production, connectedTo, Virtual Reality Content Creation>
+<Print Layout, connectedTo, Game Streaming>
+<Print Layout, partOf, Augmented Reality Experiences>
+<Radio Programming, connectedTo, Content Moderation>
+<Scriptwriting, connectedTo, Music Recording>
+<Scriptwriting, connectedTo, Photojournalism>
+<Talent Management, connectedTo, Podcast Production>
+<Talent Management, connectedTo, User Generated Content Curation>
+<User Generated Content Curation, connectedTo, Podcast Production>
+<User Generated Content Curation, connectedTo, Virtual Reality Content Creation>
+<User Generated Content Curation, connectedTo, Visual Effects>
+<User Generated Content Curation, yes, end>
+<Virtual Reality Content Creation, connectedTo, Interactive Storytelling>
+<Visual Effects, connectedTo, Radio Programming>
+<start, connectedTo, Podcast Production>
+<start, connectedTo, Talent Management>
diff --git a/train/mermaid/hard/mermaid_230.txt b/train/mermaid/hard/mermaid_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a611d780ecc29ed8e19d299684676c571f68fb6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_230.txt
@@ -0,0 +1,42 @@
+<Advertising Sales, connectedTo, Content Creation>
+<Advertising Sales, connectedTo, end>
+<Audience Engagement, connectedTo, end>
+<Audience Segmentation, connectedTo, Platform Development>
+<Audience Segmentation, partOf, Journalism>
+<Augmented Reality Experiences, connectedTo, Music Recording>
+<Augmented Reality Experiences, connectedTo, Print Layout>
+<Content Creation, connectedTo, Data Monetization>
+<Content Creation, connectedTo, Scriptwriting>
+<Content Creation, connectedTo, Visual Effects>
+<Content Creation, connectedTo, end>
+<Content Licensing, connectedTo, Live Streaming>
+<Content Moderation, connectedTo, Content Licensing>
+<Content Moderation, connectedTo, Editing>
+<Cross_Platform Syndication, connectedTo, Content Licensing>
+<Data Monetization, connectedTo, end>
+<Data Monetization, yes, Audience Engagement>
+<Editing, connectedTo, Content Licensing>
+<Editing, connectedTo, Game Streaming>
+<Game Streaming, connectedTo, Cross_Platform Syndication>
+<Live Streaming, connectedTo, Public Relations>
+<Media Consumption Trends Analysis, yes, Augmented Reality Experiences>
+<Media Consumption Trends Analysis, yes, Publishing>
+<Music Recording, connectedTo, Audience Segmentation>
+<Music Recording, connectedTo, Content Moderation>
+<Platform Development, connectedTo, end>
+<Platform Development, partOf, Journalism>
+<Print Layout, connectedTo, Talent Management>
+<Print Layout, partOf, Analytics Reporting>
+<Public Relations, connectedTo, Advertising Sales>
+<Public Relations, connectedTo, Audience Engagement>
+<Public Relations, connectedTo, Scriptwriting>
+<Public Relations, connectedTo, Visual Effects>
+<Publishing, connectedTo, Augmented Reality Experiences>
+<Publishing, connectedTo, Content Licensing>
+<Scriptwriting, connectedTo, Data Monetization>
+<Social Media Management, connectedTo, Media Consumption Trends Analysis>
+<Talent Management, connectedTo, Publishing>
+<Talent Management, partOf, Analytics Reporting>
+<Visual Effects, connectedTo, Scriptwriting>
+<start, connectedTo, Augmented Reality Experiences>
+<start, connectedTo, Social Media Management>
diff --git a/train/mermaid/hard/mermaid_233.png b/train/mermaid/hard/mermaid_233.png
new file mode 100644
index 0000000000000000000000000000000000000000..c2bb21b17bcdcf1c79c557335beb9c99b0602d1f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_233.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85f9fa65e195f668d5108cf08d76715d9f427c81088a17edd535a49ef1e4913e
+size 402711
diff --git a/train/mermaid/hard/mermaid_234.png b/train/mermaid/hard/mermaid_234.png
new file mode 100644
index 0000000000000000000000000000000000000000..a7af128c4bea34bcfeb2fce1fe3a7a43a0deebcd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_234.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b87cbda20a1d6a3d8afbb1be4a08f0533577ff5813bf53f6c88a25cad491bfec
+size 290330
diff --git a/train/mermaid/hard/mermaid_237.txt b/train/mermaid/hard/mermaid_237.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5df0412d0f200962195a9efd0cad76fdb931d05
--- /dev/null
+++ b/train/mermaid/hard/mermaid_237.txt
@@ -0,0 +1,33 @@
+<Allergen Management, connectedTo, Service Delivery>
+<Cooking, connectedTo, Packaging>
+<Cooking, partOf, Food Waste Management System>
+<Cuisine Innovation, connectedTo, Cooking>
+<Cuisine Innovation, connectedTo, Inventory Management>
+<Cuisine Innovation, connectedTo, Sustainable Sourcing>
+<Food Packaging Design, connectedTo, Allergen Management>
+<Food Preparation, connectedTo, Food Preservation>
+<Food Preparation, partOf, Ingredient Sourcing>
+<Food Preservation, connectedTo, Recipe Development>
+<Food Preservation, partOf, Ingredient Sourcing>
+<Ingredient Traceability, connectedTo, Cuisine Innovation>
+<Inventory Management, connectedTo, Recipe Development>
+<Packaging, connectedTo, Waste Reduction>
+<Packaging, partOf, Food Waste Management System>
+<Quality Control, connectedTo, Recipe Development>
+<Quality Control, partOf, Food Waste Management System>
+<Service Delivery, connectedTo, Cuisine Innovation>
+<Service Delivery, connectedTo, Ingredient Traceability>
+<Service Delivery, connectedTo, Inventory Management>
+<Service Delivery, connectedTo, Recipe Development>
+<Supply Chain Traceability, connectedTo, Allergen Management>
+<Supply Chain Traceability, connectedTo, Food Packaging Design>
+<Sustainable Sourcing, connectedTo, Food Preparation>
+<Sustainable Sourcing, partOf, Ingredient Sourcing>
+<Waste Reduction, connectedTo, Quality Control>
+<Waste Reduction, partOf, Food Waste Management System>
+<start, connectedTo, Allergen Management>
+<start, connectedTo, Food Packaging Design>
+<start, connectedTo, Ingredient Traceability>
+<start, connectedTo, Inventory Management>
+<start, connectedTo, Recipe Development>
+<start, connectedTo, Supply Chain Traceability>
diff --git a/train/mermaid/hard/mermaid_238.mmd b/train/mermaid/hard/mermaid_238.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..abb371f28bc328c13974c8c30b45afa395609632
--- /dev/null
+++ b/train/mermaid/hard/mermaid_238.mmd
@@ -0,0 +1,96 @@
+graph LR
+    N0([Ingredient Sourcing])
+    N1(Catering Operations)
+    N2[(Product Shelf_Life Testing)]
+    N3{Recipe Development}
+    N4(Branding and Marketing)
+    N5[/Brewing/]
+    N6([Packaging])
+    N7(Ingredient Traceability)
+    N8{Restaurant Management}
+    N9([Distribution])
+    N10[[Supplier Management]]
+    S0(( ))
+    S1(( ))
+    subgraph Baking
+        nest0_0([Food Waste Management System])
+        nest0_1(Storage Solutions)
+        nest0_2[[Dietary Requirement Accommodation]]
+        nest0_3[(Food Safety Inspection)]
+    end
+    subgraph Kitchen Hygiene
+        nest1_0[/Inventory Management/]
+        nest1_1[(Sensory Evaluation)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |packages| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> |markets| nest0_3
+    N1 --> nest0_0
+    nest0_3 -.-> N1
+    nest1_0 --> nest1_1
+    N1 -.-> nest1_0
+    nest1_1 -.-> N8
+    N7 -.-> S0
+    S0 -.-> N9
+    S0 --> N10
+    N7 -.-> S1
+    S1 --> N10
+    S1 --> N9
+    N9 --> nest0_2
+    N0 --> nest0_1
+    style N0 fill:#F9FBE7,stroke:#DCE775
+    style N1 fill:#DACBE3,stroke:#A188D0
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#DACBE3,stroke:#A188D0
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#F9FBE7,stroke:#DCE775
+    style N6 fill:#DACBE3,stroke:#A188D0
+    style N7 fill:#DACBE3,stroke:#A188D0
+    style N8 fill:#DACBE3,stroke:#A188D0
+    style N9 fill:#F9FBE7,stroke:#DCE775
+    style N10 fill:#DACBE3,stroke:#A188D0
+    style S0 fill:#F9FBE7,stroke:#DCE775
+    style S1 fill:#D1C4E9,stroke:#673AB7
+    style nest0_0 fill:#D1C4E9,stroke:#673AB7
+    style nest0_1 fill:#DACBE3,stroke:#A188D0
+    style nest0_2 fill:#D1C4E9,stroke:#673AB7
+    style nest0_3 fill:#DACBE3,stroke:#A188D0
+    style nest1_0 fill:#D1C4E9,stroke:#673AB7
+    style nest1_1 fill:#DACBE3,stroke:#A188D0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_238.txt b/train/mermaid/hard/mermaid_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fb8fe0b18e730cdb9038e5b623e209a9c4489f40
--- /dev/null
+++ b/train/mermaid/hard/mermaid_238.txt
@@ -0,0 +1,28 @@
+<Branding and Marketing, connectedTo, Brewing>
+<Brewing, packages, Packaging>
+<Catering Operations, connectedTo, Food Waste Management System>
+<Catering Operations, connectedTo, Inventory Management>
+<Catering Operations, connectedTo, Product Shelf_Life Testing>
+<Dietary Requirement Accommodation, markets, Food Safety Inspection>
+<Dietary Requirement Accommodation, partOf, Baking>
+<Distribution, connectedTo, Dietary Requirement Accommodation>
+<Distribution, connectedTo, Supplier Management>
+<Food Safety Inspection, connectedTo, Catering Operations>
+<Food Safety Inspection, partOf, Baking>
+<Food Waste Management System, connectedTo, Storage Solutions>
+<Food Waste Management System, partOf, Baking>
+<Ingredient Sourcing, connectedTo, Catering Operations>
+<Ingredient Sourcing, connectedTo, Storage Solutions>
+<Ingredient Traceability, connectedTo, Distribution>
+<Ingredient Traceability, connectedTo, Restaurant Management>
+<Ingredient Traceability, connectedTo, Supplier Management>
+<Inventory Management, connectedTo, Sensory Evaluation>
+<Inventory Management, partOf, Kitchen Hygiene>
+<Packaging, connectedTo, Ingredient Traceability>
+<Product Shelf_Life Testing, connectedTo, Recipe Development>
+<Recipe Development, connectedTo, Branding and Marketing>
+<Restaurant Management, connectedTo, Distribution>
+<Sensory Evaluation, connectedTo, Restaurant Management>
+<Sensory Evaluation, partOf, Kitchen Hygiene>
+<Storage Solutions, connectedTo, Dietary Requirement Accommodation>
+<Storage Solutions, partOf, Baking>
diff --git a/train/mermaid/hard/mermaid_246.mmd b/train/mermaid/hard/mermaid_246.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a8d029f23d80283015b71e918a54004d4605f7d1
--- /dev/null
+++ b/train/mermaid/hard/mermaid_246.mmd
@@ -0,0 +1,110 @@
+graph RL
+    N0([start])
+    N1[Sports Medicine]
+    N2[/Injury Management/]
+    N3[(Rule Enforcement)]
+    N4(Sports Psychology)
+    N5(Event Broadcasting)
+    N6[Player Recruitment]
+    N7(Team Management)
+    N8[/Esports Event Management/]
+    N9[[Stadium Operations]]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Sports Betting Regulation
+        nest0_0{Talent Scouting}
+        nest0_1[/Youth Development Programs/]
+        nest0_2[Media Rights Negotiation]
+        nest0_3(Athlete Performance Tracking)
+    end
+    subgraph Match Play
+        nest1_0[Fitness Conditioning]
+        nest1_1{Fan Experience Enhancement}
+        nest1_2[[Fan Club Management]]
+        nest1_3(Sports Analytics)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N1 -.-> |yes| nest0_0
+    nest0_3 -.-> N8
+    nest1_0 --> |no| nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N3 -.-> nest1_0
+    nest1_3 --> N2
+    N5 --> S0
+    S0 -.-> N8
+    S0 -.-> N9
+    N0 --> S1
+    S1 -.-> N2
+    S1 -.-> N7
+    S1 --> N5
+    N1 -.-> S2
+    S2 -.-> N6
+    S2 -.-> N8
+    S2 --> N4
+    S2 -.-> N7
+    N1 -.-> M0
+    N0 -.-> M0
+    M0 --> N3
+    N4 --> M1
+    N0 -.-> M1
+    N3 -.-> M1
+    M1 -.-> N7
+    style S0 fill:#F1F8E9,stroke:#81C784
+    style S1 fill:#C2E8E6,stroke:#61CAC3
+    style S2 fill:#F1F8E9,stroke:#81C784
+    style M0 fill:#F1F8E9,stroke:#81C784
+    style M1 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_25.txt b/train/mermaid/hard/mermaid_25.txt
new file mode 100644
index 0000000000000000000000000000000000000000..85a1590e171caf69580c8e401a6a03f690569698
--- /dev/null
+++ b/train/mermaid/hard/mermaid_25.txt
@@ -0,0 +1,43 @@
+<Academic Review, connectedTo, Faculty Recruitment>
+<Academic Review, connectedTo, Peer Tutoring>
+<Advisory Committee Meeting, connectedTo, Alumni Network Management>
+<Advisory Committee Meeting, partOf, Document Verification>
+<Alumni Network Management, connectedTo, end>
+<Alumni Network Management, partOf, Document Verification>
+<Certificate Issuance, connectedTo, Student Enrollment>
+<Certificate Issuance, partOf, Study Abroad Program>
+<Counseling Session, connectedTo, Academic Review>
+<Counseling Session, connectedTo, Faculty Recruitment>
+<Course Selection, connectedTo, Transcript Issuance>
+<Curriculum Development, connectedTo, Scholarship Evaluation>
+<Exam Conduct, connectedTo, Timetable Scheduling>
+<Faculty Recruitment, connectedTo, Grade Entry>
+<Grade Entry, connectedTo, Student Enrollment>
+<Internship Coordination, connectedTo, Online Learning Platform Management>
+<Internship Coordination, connectedTo, School Accreditation>
+<Internship Coordination, connectedTo, Timetable Scheduling>
+<Internship Coordination, connectedTo, end>
+<Lecture Delivery, connectedTo, Curriculum Development>
+<Lecture Delivery, connectedTo, Library Registration>
+<Lecture Delivery, connectedTo, Timetable Scheduling>
+<Lecture Delivery, connectedTo, end>
+<Library Registration, connectedTo, Result Declaration>
+<Library Registration, partOf, Document Verification>
+<Online Learning Platform Management, connectedTo, Exam Conduct>
+<Peer Tutoring, connectedTo, Faculty Recruitment>
+<Result Declaration, connectedTo, Advisory Committee Meeting>
+<Result Declaration, partOf, Document Verification>
+<Scholarship Evaluation, connectedTo, Course Selection>
+<School Accreditation, connectedTo, end>
+<Special Education Support, connectedTo, Certificate Issuance>
+<Special Education Support, partOf, Study Abroad Program>
+<Student Enrollment, connectedTo, Lecture Delivery>
+<Timetable Scheduling, connectedTo, School Accreditation>
+<Transcript Issuance, connectedTo, Exam Conduct>
+<Transcript Issuance, connectedTo, Internship Coordination>
+<Transcript Issuance, connectedTo, Online Learning Platform Management>
+<Transcript Issuance, connectedTo, Special Education Support>
+<Transcript Issuance, connectedTo, Timetable Scheduling>
+<Transcript Issuance, connectedTo, end>
+<start, connectedTo, Counseling Session>
+<start, connectedTo, Faculty Recruitment>
diff --git a/train/mermaid/hard/mermaid_252.mmd b/train/mermaid/hard/mermaid_252.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9339b8cfd06bdf415b6ecb4d13daac5f974b4771
--- /dev/null
+++ b/train/mermaid/hard/mermaid_252.mmd
@@ -0,0 +1,158 @@
+graph BT
+    N0([start])
+    N1[Customer Feedback Analysis]
+    N2[(Intellectual Property Protection)]
+    N3(Color Palette Selection)
+    N4([Influencer Collaboration])
+    N5[/Retail Sales/]
+    N6[(Material Sourcing)]
+    N7(Fashion Show Production)
+    N8[[Marketing Campaign]]
+    N9[E_commerce Management]
+    N10[Packaging]
+    N11[Pattern Making]
+    N12[Wholesale Distribution]
+    N13{Customer Loyalty Programs}
+    N14([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Distribution
+        nest0_0(Garment Production)
+        nest0_1(Textile Manufacturing)
+        nest0_2{Trend Research}
+        nest0_3[(Inventory Management)]
+    end
+    subgraph Retail Store Merchandising
+        nest1_0[Product Photography]
+        nest1_1(Sample Creation)
+        nest1_2(Fabric Innovation)
+        nest1_3([Design Sketching])
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N2 --> nest0_0
+    nest0_3 -.-> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N6 -.-> nest1_0
+    nest1_3 -.-> N13
+    N6 --> S0
+    S0 -.-> N11
+    S0 --> N8
+    S0 --> N10
+    S0 --> N14
+    N5 -.-> S1
+    S1 --> N10
+    S1 -.-> N13
+    S1 --> N9
+    N0 --> S2
+    S2 -.-> N10
+    S2 -.-> |cuts| N4
+    N10 -.-> M0
+    N0 --> M0
+    N6 -.-> M0
+    M0 -.-> N12
+    N8 -.-> |manufactures| M1
+    N0 --> M1
+    M1 --> N10
+    N4 -.-> M2
+    N6 -.-> M2
+    N5 --> M2
+    M2 --> N8
+    style N0 fill:#E1BEE7,stroke:#9C27B0
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#E1BEE7,stroke:#9C27B0
+    style N3 fill:#E1BEE7,stroke:#9C27B0
+    style N4 fill:#E1BEE7,stroke:#9C27B0
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#F0F0F0,stroke:#D2D2D2
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 fill:#E1BEE7,stroke:#9C27B0
+    style N11 fill:#FFEBEE,stroke:#E57373
+    style N12 fill:#F0F0F0,stroke:#D2D2D2
+    style N13 fill:#F0F0F0,stroke:#D2D2D2
+    style N14 fill:#FFEBEE,stroke:#E57373
+    style S0 fill:#F0F0F0,stroke:#D2D2D2
+    style S1 fill:#F0F0F0,stroke:#D2D2D2
+    style S2 fill:#F0F0F0,stroke:#D2D2D2
+    style M0 fill:#E1BEE7,stroke:#9C27B0
+    style M1 fill:#E1BEE7,stroke:#9C27B0
+    style M2 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_0 fill:#FFEBEE,stroke:#E57373
+    style nest0_1 fill:#FFEBEE,stroke:#E57373
+    style nest0_2 fill:#FFEBEE,stroke:#E57373
+    style nest0_3 fill:#FFEBEE,stroke:#E57373
+    style nest1_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_1 fill:#FFEBEE,stroke:#E57373
+    style nest1_2 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_3 fill:#E1BEE7,stroke:#9C27B0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_252.txt b/train/mermaid/hard/mermaid_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c2b170f549689c9fdf0ae8b841db412cc7b2700
--- /dev/null
+++ b/train/mermaid/hard/mermaid_252.txt
@@ -0,0 +1,47 @@
+<Color Palette Selection, connectedTo, Influencer Collaboration>
+<Customer Feedback Analysis, connectedTo, Intellectual Property Protection>
+<Customer Loyalty Programs, connectedTo, end>
+<Design Sketching, connectedTo, Customer Loyalty Programs>
+<Design Sketching, partOf, Retail Store Merchandising>
+<E_commerce Management, connectedTo, Packaging>
+<Fabric Innovation, connectedTo, Design Sketching>
+<Fabric Innovation, partOf, Retail Store Merchandising>
+<Fashion Show Production, connectedTo, Marketing Campaign>
+<Garment Production, connectedTo, Textile Manufacturing>
+<Garment Production, partOf, Distribution>
+<Influencer Collaboration, connectedTo, Marketing Campaign>
+<Influencer Collaboration, connectedTo, Retail Sales>
+<Intellectual Property Protection, connectedTo, Color Palette Selection>
+<Intellectual Property Protection, connectedTo, Garment Production>
+<Inventory Management, connectedTo, Retail Sales>
+<Inventory Management, partOf, Distribution>
+<Marketing Campaign, connectedTo, E_commerce Management>
+<Marketing Campaign, manufactures, Packaging>
+<Material Sourcing, connectedTo, Fashion Show Production>
+<Material Sourcing, connectedTo, Marketing Campaign>
+<Material Sourcing, connectedTo, Packaging>
+<Material Sourcing, connectedTo, Pattern Making>
+<Material Sourcing, connectedTo, Product Photography>
+<Material Sourcing, connectedTo, Wholesale Distribution>
+<Material Sourcing, connectedTo, end>
+<Packaging, connectedTo, Pattern Making>
+<Packaging, connectedTo, Wholesale Distribution>
+<Pattern Making, connectedTo, Wholesale Distribution>
+<Product Photography, connectedTo, Sample Creation>
+<Product Photography, partOf, Retail Store Merchandising>
+<Retail Sales, connectedTo, Customer Loyalty Programs>
+<Retail Sales, connectedTo, E_commerce Management>
+<Retail Sales, connectedTo, Marketing Campaign>
+<Retail Sales, connectedTo, Material Sourcing>
+<Retail Sales, connectedTo, Packaging>
+<Sample Creation, connectedTo, Fabric Innovation>
+<Sample Creation, partOf, Retail Store Merchandising>
+<Textile Manufacturing, connectedTo, Trend Research>
+<Textile Manufacturing, partOf, Distribution>
+<Trend Research, connectedTo, Inventory Management>
+<Trend Research, partOf, Distribution>
+<Wholesale Distribution, connectedTo, Customer Loyalty Programs>
+<start, connectedTo, Customer Feedback Analysis>
+<start, connectedTo, Packaging>
+<start, connectedTo, Wholesale Distribution>
+<start, cuts, Influencer Collaboration>
diff --git a/train/mermaid/hard/mermaid_256.txt b/train/mermaid/hard/mermaid_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..be90529471404007943a4e2612ba01a05b461a9c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_256.txt
@@ -0,0 +1,43 @@
+<Accessory Design, connectedTo, PR and Media Outreach>
+<Accessory Design, partOf, Fashion Show Production>
+<Color Palette Selection, connectedTo, end>
+<Custom Apparel Design, connectedTo, Embroidery and Embellishment>
+<Custom Apparel Design, connectedTo, Packaging>
+<Customer Loyalty Programs, connectedTo, Quality Check>
+<Customer Loyalty Programs, partOf, Brand Licensing>
+<Design Sketching, connectedTo, Retail Store Merchandising>
+<Distribution, connectedTo, Color Palette Selection>
+<Distribution, connectedTo, Quality Check>
+<Distribution, connectedTo, end>
+<Embroidery and Embellishment, connectedTo, Supply Chain Transparency>
+<Embroidery and Embellishment, partOf, Brand Licensing>
+<Fabric Innovation, connectedTo, Material Sourcing>
+<Fabric Innovation, connectedTo, Wholesale Distribution>
+<Fabric Innovation, connectedTo, end>
+<Fabric Innovation, no, Design Sketching>
+<Footwear Production, connectedTo, Textile Manufacturing>
+<Inventory Management, connectedTo, Distribution>
+<Material Sourcing, connectedTo, Custom Apparel Design>
+<Material Sourcing, connectedTo, Retail Store Merchandising>
+<Material Sourcing, connectedTo, Wholesale Distribution>
+<Material Sourcing, connectedTo, end>
+<PR and Media Outreach, connectedTo, Retail Store Merchandising>
+<PR and Media Outreach, partOf, Fashion Show Production>
+<Packaging, connectedTo, Footwear Production>
+<Pattern Making, connectedTo, Accessory Design>
+<Pattern Making, partOf, Fashion Show Production>
+<Product Photography, connectedTo, Color Palette Selection>
+<Quality Check, connectedTo, Product Photography>
+<Retail Sales, connectedTo, Customer Loyalty Programs>
+<Retail Sales, partOf, Brand Licensing>
+<Retail Store Merchandising, connectedTo, Custom Apparel Design>
+<Supply Chain Transparency, connectedTo, Retail Sales>
+<Supply Chain Transparency, partOf, Brand Licensing>
+<Textile Manufacturing, connectedTo, Color Palette Selection>
+<Textile Manufacturing, connectedTo, Inventory Management>
+<Textile Manufacturing, connectedTo, Quality Check>
+<Wholesale Distribution, connectedTo, Design Sketching>
+<Wholesale Distribution, connectedTo, Pattern Making>
+<start, connectedTo, Design Sketching>
+<start, connectedTo, Fabric Innovation>
+<start, connectedTo, Wholesale Distribution>
diff --git a/train/mermaid/hard/mermaid_257.mmd b/train/mermaid/hard/mermaid_257.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f6f7d37ef3fedfa8789818b75b94c081a66e4f7b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_257.mmd
@@ -0,0 +1,108 @@
+graph BT
+    N0([Health and Safety Management])
+    N1[/Interview Scheduling/]
+    N2[Employee Training]
+    N3[/Conflict Resolution/]
+    N4[Talent Management]
+    N5[/Recruitment Planning/]
+    N6[(Payroll Processing)]
+    N7(Employee Relations)
+    N8[/HR Budgeting/]
+    N9[(Performance Appraisal)]
+    N10[Change Management]
+    N11[(Candidate Sourcing)]
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Employee Data Management
+        nest0_0[[Leadership Training]]
+        nest0_1([Diversity and Inclusion Initiatives])
+    end
+    subgraph HR Analytics
+        nest1_0[[HR Information System Implementation]]
+        nest1_1(Workforce Planning)
+        nest1_2[/Global Mobility Programs/]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |disciplines| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |recruits| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    N10 -.-> nest0_0
+    nest0_1 -.-> N6
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N4 -.-> |plans| nest1_0
+    nest1_2 --> N1
+    N2 -.-> S0
+    S0 --> N5
+    S0 --> N10
+    S0 -.-> N9
+    S0 --> N4
+    N7 --> S1
+    S1 -.-> N9
+    S1 --> N10
+    N6 --> M1
+    N7 -.-> |compensates| M1
+    N5 -.-> M1
+    N2 --> M1
+    M1 --> N9
+    style N0 fill:#B2EBF2,stroke:#00BCD4
+    style N1 fill:#D3F7F9,stroke:#80DDEA
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#D3F7F9,stroke:#80DDEA
+    style N5 fill:#D3F7F9,stroke:#80DDEA
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#B2EBF2,stroke:#00BCD4
+    style N9 fill:#D3F7F9,stroke:#80DDEA
+    style N10 fill:#B2EBF2,stroke:#00BCD4
+    style N11 fill:#B2EBF2,stroke:#00BCD4
+    style S0 fill:#D3F7F9,stroke:#80DDEA
+    style S1 fill:#B2EBF2,stroke:#00BCD4
+    style M1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_0 fill:#FAEBF3,stroke:#F7BEE0
+    style nest0_1 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_0 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_1 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_2 fill:#D3F7F9,stroke:#80DDEA
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_260.mmd b/train/mermaid/hard/mermaid_260.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..341464d53735df94894bb127eee3db84acd803cd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_260.mmd
@@ -0,0 +1,106 @@
+graph BT
+    N0([start])
+    N1[Grievance Handling]
+    N2[(Offer Management)]
+    N3[Compliance Management]
+    N4[Performance Appraisal]
+    N5{HR Policy Development}
+    N6([Union Negotiations])
+    N7[Employee Handbook Creation]
+    N8[(HR Budgeting)]
+    N9(Work_Life Balance Initiatives)
+    N10([Employee Engagement Surveys])
+    N11[[Employee Data Management]]
+    N12[Remote Work Policy]
+    N13([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Compensation and Benefits
+        nest0_0[Skill Development Programs]
+        nest0_1(Change Management)
+    end
+    subgraph Diversity and Inclusion Initiatives
+        nest1_0{Onboarding Process}
+        nest1_1[[Organizational Development]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    nest0_0 -.-> |no| nest0_1
+    N1 --> nest0_0
+    nest0_1 --> N3
+    nest1_0 -.-> nest1_1
+    N9 -.-> |yes| nest1_0
+    nest1_1 -.-> N7
+    N10 -.-> S0
+    S0 --> N12
+    S0 --> N13
+    N1 -.-> S1
+    S1 -.-> N8
+    S1 --> |no| N11
+    N5 -.-> S2
+    S2 -.-> |yes| N10
+    S2 -.-> N9
+    S2 --> N12
+    N5 -.-> |yes| M0
+    N2 -.-> M0
+    M0 -.-> N11
+    N5 -.-> |yes| M1
+    N3 --> M1
+    N1 -.-> M1
+    M1 --> N11
+    style S0 fill:#FFFDE0,stroke:#FFF8A6
+    style S1 fill:#FFFDE0,stroke:#FFF8A6
+    style S2 fill:#FFF3E0,stroke:#FFB74D
+    style M0 fill:#FFF3E0,stroke:#FFB74D
+    style M1 fill:#FFF3E0,stroke:#FFB74D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_260.txt b/train/mermaid/hard/mermaid_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..13dc1cb493fa2d11294f887eb0f6ad24fb3fa499
--- /dev/null
+++ b/train/mermaid/hard/mermaid_260.txt
@@ -0,0 +1,34 @@
+<Change Management, connectedTo, Compliance Management>
+<Change Management, partOf, Compensation and Benefits>
+<Compliance Management, connectedTo, Employee Data Management>
+<Compliance Management, connectedTo, Performance Appraisal>
+<Employee Data Management, connectedTo, Remote Work Policy>
+<Employee Engagement Surveys, connectedTo, Employee Data Management>
+<Employee Engagement Surveys, connectedTo, Remote Work Policy>
+<Employee Engagement Surveys, connectedTo, end>
+<Employee Handbook Creation, connectedTo, HR Budgeting>
+<Grievance Handling, connectedTo, Employee Data Management>
+<Grievance Handling, connectedTo, HR Budgeting>
+<Grievance Handling, connectedTo, Offer Management>
+<Grievance Handling, connectedTo, Skill Development Programs>
+<Grievance Handling, no, Employee Data Management>
+<HR Budgeting, connectedTo, Work_Life Balance Initiatives>
+<HR Policy Development, connectedTo, Remote Work Policy>
+<HR Policy Development, connectedTo, Union Negotiations>
+<HR Policy Development, connectedTo, Work_Life Balance Initiatives>
+<HR Policy Development, yes, Employee Data Management>
+<HR Policy Development, yes, Employee Engagement Surveys>
+<Offer Management, connectedTo, Compliance Management>
+<Offer Management, connectedTo, Employee Data Management>
+<Onboarding Process, connectedTo, Organizational Development>
+<Onboarding Process, partOf, Diversity and Inclusion Initiatives>
+<Organizational Development, connectedTo, Employee Handbook Creation>
+<Organizational Development, partOf, Diversity and Inclusion Initiatives>
+<Performance Appraisal, connectedTo, HR Policy Development>
+<Remote Work Policy, connectedTo, end>
+<Skill Development Programs, no, Change Management>
+<Skill Development Programs, partOf, Compensation and Benefits>
+<Union Negotiations, connectedTo, Employee Handbook Creation>
+<Work_Life Balance Initiatives, connectedTo, Employee Engagement Surveys>
+<Work_Life Balance Initiatives, yes, Onboarding Process>
+<start, connectedTo, Grievance Handling>
diff --git a/train/mermaid/hard/mermaid_261.mmd b/train/mermaid/hard/mermaid_261.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9b40201e9a48164e9236f28f45ab7529a414e26a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_261.mmd
@@ -0,0 +1,121 @@
+graph LR
+    N0([start])
+    N1{Performance Appraisal}
+    N2[Payroll Processing]
+    N3([Employee Engagement Surveys])
+    N4[HR Budgeting]
+    N5(Conflict Resolution)
+    N6(Candidate Sourcing)
+    N7([Organizational Development])
+    N8[/Disciplinary Procedures/]
+    N9[(Grievance Handling)]
+    N10(Employee Data Management)
+    N11{Offer Management}
+    N12(Succession Planning)
+    N13[[Skill Development Programs]]
+    N14{Compliance Management}
+    N15[[Global Mobility Programs]]
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Wellness Programs
+        nest0_0[Team Building Activities]
+        nest0_1{Work_Life Balance Initiatives}
+        nest0_2(Compensation and Benefits)
+        nest0_3[(Recruitment Planning)]
+    end
+    subgraph Onboarding Process
+        nest1_0(Leadership Training)
+        nest1_1[(Union Negotiations)]
+        nest1_2[/HR Information System Implementation/]
+        nest1_3([Employee Training])
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> |yes| N15
+    N15 -.-> |no| N16
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N10 --> nest0_0
+    nest0_3 --> N8
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N8 -.-> nest1_0
+    nest1_3 --> N2
+    N4 -.-> S0
+    S0 --> N13
+    S0 -.-> N14
+    S0 --> N15
+    N8 --> S1
+    S1 --> N13
+    S1 --> N14
+    S1 --> N12
+    S1 --> N11
+    N10 --> M0
+    N2 --> M0
+    M0 -.-> N13
+    N10 --> M2
+    N6 -.-> |yes| M2
+    M2 -.-> N12
+    style S0 fill:#FFFDE0,stroke:#FFF8A6
+    style S1 fill:#F9FBE7,stroke:#C0CA33
+    style M0 fill:#F9FBE7,stroke:#C0CA33
+    style M2 fill:#FFFDE0,stroke:#FFF8A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_261.png b/train/mermaid/hard/mermaid_261.png
new file mode 100644
index 0000000000000000000000000000000000000000..dfdf972ac173db12c57c26272d46151a297c49ad
--- /dev/null
+++ b/train/mermaid/hard/mermaid_261.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:003d75ce236711291778239ba8a8da4b9a9e8722a6bd1a0d16d7f0ec8036b5c1
+size 223425
diff --git a/train/mermaid/hard/mermaid_265.mmd b/train/mermaid/hard/mermaid_265.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..87d4aa80fbfdfc6246288110dbc8f5d179dc9064
--- /dev/null
+++ b/train/mermaid/hard/mermaid_265.mmd
@@ -0,0 +1,107 @@
+graph LR
+    N0([start])
+    N1(Internal Mobility)
+    N2[[Interview Panel Coordination]]
+    N3[Background Check]
+    N4[Freelancer Engagement]
+    N5([Job Fair Organization])
+    N6{Candidate Feedback Collection}
+    N7(Global Recruitment Strategy)
+    N8[(Campus Recruitment)]
+    N9[(Reference Checking)]
+    N10(Headhunting)
+    N11(Job Description Creation)
+    N12[Passive Candidate Engagement]
+    N13(Social Recruiting)
+    N14[[Recruiter Training]]
+    N15(Recruitment Process Outsourcing Management)
+    N16([end])
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Psychometric Testing
+        nest0_0[AI in Recruitment]
+        nest0_1[/Candidate Tracking/]
+    end
+    subgraph Offer Extension
+        nest1_0[(Negotiation)]
+        nest1_1{Candidate Assessment Design}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |yes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> |yes| N10
+    N10 --> N11
+    N11 --> |yes| N12
+    N12 --> N13
+    N13 -.-> |no| N14
+    N14 -.-> N15
+    N15 --> |yes| N16
+    nest0_0 --> |no| nest0_1
+    N5 --> nest0_0
+    nest0_1 --> N13
+    nest1_0 -.-> nest1_1
+    N6 --> nest1_0
+    nest1_1 -.-> N4
+    N9 -.-> S1
+    S1 --> N13
+    S1 --> N16
+    S1 --> |no| N15
+    S1 -.-> N12
+    N2 -.-> M0
+    N3 -.-> M0
+    M0 --> N10
+    N0 -.-> M1
+    N1 -.-> M1
+    M1 --> N3
+    N8 --> M2
+    N1 --> M2
+    M2 --> N10
+    style S1 fill:#F1F8E9,stroke:#81C784
+    style M0 fill:#F1F8E9,stroke:#81C784
+    style M1 fill:#F2E6F5,stroke:#CB9BE1
+    style M2 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FF5722,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_268.mmd b/train/mermaid/hard/mermaid_268.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..90e0ae3abf355c0be423d07bfe8390493ed3dcc3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_268.mmd
@@ -0,0 +1,140 @@
+graph BT
+    N0([start])
+    N1[Employer Branding]
+    N2([Recruitment Process Outsourcing Management])
+    N3[Onboarding Handoff]
+    N4{Internal Mobility}
+    N5[Psychometric Testing]
+    N6([Candidate Assessment Design])
+    N7[[Applicant Tracking System Management]]
+    N8[Talent Pipeline Building]
+    N9([Recruitment Marketing])
+    N10{Negotiation}
+    N11(Campus Recruitment)
+    N12{Candidate Tracking}
+    N13[/Recruiter Training/]
+    N14[/Compliance in Hiring/]
+    N15[Candidate Relationship Management]
+    N16[Temporary Staffing]
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph AI in Recruitment
+        nest0_0{Video Interviewing}
+        nest0_1(Interview Conducting)
+        nest0_2(Background Check)
+    end
+    subgraph Social Recruiting
+        nest1_0(Freelancer Engagement)
+        nest1_1{Reference Checking}
+        nest1_2[Candidate Screening]
+    end
+    N0 -.-> N1
+    N1 --> |consults| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    N16 -.-> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N7 --> nest0_0
+    nest0_2 --> N4
+    nest1_0 --> |negotiates| nest1_1
+    nest1_1 -.-> nest1_2
+    N1 -.-> nest1_0
+    nest1_2 --> N14
+    N1 -.-> S0
+    S0 -.-> N7
+    S0 --> N16
+    S0 -.-> N12
+    N7 -.-> S1
+    S1 --> |hires| N13
+    S1 -.-> N17
+    N5 --> M0
+    N0 --> M0
+    N3 -.-> M0
+    M0 --> N7
+    N5 -.-> M1
+    N3 -.-> |tracks| M1
+    M1 --> N7
+    style N0 fill:#DACBE3,stroke:#A188D0
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#E9F7E8,stroke:#6EB76D
+    style N4 fill:#DACBE3,stroke:#A188D0
+    style N5 fill:#DACBE3,stroke:#A188D0
+    style N6 fill:#E9F7E8,stroke:#6EB76D
+    style N7 fill:#FFF6D9,stroke:#FFCC7A
+    style N8 fill:#DACBE3,stroke:#A188D0
+    style N9 fill:#FFF6D9,stroke:#FFCC7A
+    style N10 fill:#FFF6D9,stroke:#FFCC7A
+    style N11 fill:#E9F7E8,stroke:#6EB76D
+    style N12 fill:#E9F7E8,stroke:#6EB76D
+    style N13 fill:#E9F7E8,stroke:#6EB76D
+    style N14 fill:#FFF6D9,stroke:#FFCC7A
+    style N15 fill:#DACBE3,stroke:#A188D0
+    style N16 fill:#FFF6D9,stroke:#FFCC7A
+    style N17 fill:#FFF6D9,stroke:#FFCC7A
+    style S0 fill:#E9F7E8,stroke:#6EB76D
+    style S1 fill:#DACBE3,stroke:#A188D0
+    style M0 fill:#E9F7E8,stroke:#6EB76D
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_0 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_1 fill:#DACBE3,stroke:#A188D0
+    style nest0_2 fill:#FFF6D9,stroke:#FFCC7A
+    style nest1_0 fill:#DACBE3,stroke:#A188D0
+    style nest1_1 fill:#DACBE3,stroke:#A188D0
+    style nest1_2 fill:#FFF6D9,stroke:#FFCC7A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#A188D0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_271.txt b/train/mermaid/hard/mermaid_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d74e7e2f73059946ea1534d4ed5cb0fc51e66a6d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_271.txt
@@ -0,0 +1,30 @@
+<Candidate Experience Management, connectedTo, AI in Recruitment>
+<Candidate Experience Management, connectedTo, Headhunting>
+<Candidate Experience Management, connectedTo, Psychometric Testing>
+<Candidate Relationship Management, communicates, Candidate Tracking>
+<Candidate Screening, connectedTo, Talent Pipeline Building>
+<Candidate Screening, partOf, Passive Candidate Engagement>
+<Candidate Tracking, connectedTo, AI in Recruitment>
+<Candidate Tracking, connectedTo, Candidate Experience Management>
+<Candidate Tracking, connectedTo, Job Description Creation>
+<Compliance in Hiring, connectedTo, Job Description Creation>
+<Compliance in Hiring, connectedTo, Recruitment Process Outsourcing Management>
+<Contingent Workforce Management, connectedTo, Candidate Relationship Management>
+<Contingent Workforce Management, partOf, Recruitment Analytics>
+<Diversity Sourcing, connectedTo, Global Recruitment Strategy>
+<Diversity Sourcing, connectedTo, Job Description Creation>
+<Freelancer Engagement, connectedTo, Diversity Sourcing>
+<Global Recruitment Strategy, connectedTo, Job Description Creation>
+<Global Recruitment Strategy, sources, Candidate Relationship Management>
+<Headhunting, connectedTo, Candidate Screening>
+<Headhunting, partOf, Passive Candidate Engagement>
+<Job Description Creation, connectedTo, Candidate Experience Management>
+<Psychometric Testing, connectedTo, Contingent Workforce Management>
+<Psychometric Testing, partOf, Recruitment Analytics>
+<Recruitment Marketing, connectedTo, Global Recruitment Strategy>
+<Recruitment Marketing, connectedTo, Job Description Creation>
+<Recruitment Marketing, develops, Compliance in Hiring>
+<Recruitment Process Outsourcing Management, advertises, Global Recruitment Strategy>
+<Recruitment Process Outsourcing Management, connectedTo, Freelancer Engagement>
+<Talent Pipeline Building, connectedTo, Candidate Relationship Management>
+<Talent Pipeline Building, partOf, Passive Candidate Engagement>
diff --git a/train/mermaid/hard/mermaid_274.png b/train/mermaid/hard/mermaid_274.png
new file mode 100644
index 0000000000000000000000000000000000000000..40651413a55cf35972a9d523bae4aaa7a5abe01d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_274.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d0de29b2b69329e306fa012f2f15eb9acd0d0a13b380c9deb603c5e4c2f26bf1
+size 165280
diff --git a/train/mermaid/hard/mermaid_278.txt b/train/mermaid/hard/mermaid_278.txt
new file mode 100644
index 0000000000000000000000000000000000000000..949cff6e3fc792191536260d7358ae9ac4317535
--- /dev/null
+++ b/train/mermaid/hard/mermaid_278.txt
@@ -0,0 +1,31 @@
+<Accessibility Support, connectedTo, Call Center Management>
+<Call Center Management, connectedTo, Customer Success Management>
+<Call Center Management, connectedTo, Product Information Provision>
+<Complaint Trend Analysis, connectedTo, Live Chat Support>
+<Complaint Trend Analysis, partOf, Cross_selling Opportunities>
+<Customer Retention Strategies, connectedTo, Post_Service Follow_up>
+<Customer Retention Strategies, connectedTo, Virtual Assistant Interaction>
+<Customer Success Management, partOf, Account Management>
+<Customer Success Management, tracks, Multilingual Support>
+<FAQ Management, connectedTo, Up_selling Opportunities>
+<FAQ Management, partOf, Cross_selling Opportunities>
+<Live Chat Support, connectedTo, Refund Processing>
+<Live Chat Support, partOf, Cross_selling Opportunities>
+<Multilingual Support, connectedTo, Virtual Assistant Interaction>
+<Multilingual Support, partOf, Account Management>
+<Personalized Assistance, connectedTo, Call Center Management>
+<Personalized Assistance, connectedTo, FAQ Management>
+<Personalized Assistance, connectedTo, Post_Service Follow_up>
+<Personalized Assistance, connectedTo, Sentiment Analysis>
+<Post_Service Follow_up, connectedTo, Accessibility Support>
+<Product Information Provision, optimizes, Sentiment Analysis>
+<Refund Processing, connectedTo, Personalized Assistance>
+<Refund Processing, connectedTo, Post_Service Follow_up>
+<Refund Processing, connectedTo, Product Information Provision>
+<Refund Processing, connectedTo, Sentiment Analysis>
+<Refund Processing, troubleshoots, Call Center Management>
+<Up_selling Opportunities, partOf, Cross_selling Opportunities>
+<Up_selling Opportunities, resolves, Complaint Trend Analysis>
+<Virtual Assistant Interaction, connectedTo, Post_Service Follow_up>
+<Virtual Assistant Interaction, connectedTo, Refund Processing>
+<Virtual Assistant Interaction, emails, Accessibility Support>
diff --git a/train/mermaid/hard/mermaid_28.mmd b/train/mermaid/hard/mermaid_28.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8d3c78694641e8cf9e9a0ff8aaeec64922b326a2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_28.mmd
@@ -0,0 +1,140 @@
+graph BT
+    N0([Student Application])
+    N1[Course Selection]
+    N2[[Document Verification]]
+    N3[Parent_Teacher Conference]
+    N4[Internship Coordination]
+    N5([Alumni Network Management])
+    N6[Special Education Support]
+    N7[Graduation Approval]
+    N8{Assignment Submission}
+    N9[/Exam Conduct/]
+    N10{Transcript Issuance}
+    N11[Curriculum Development]
+    N12[/Digital Resource Management/]
+    N13[Orientation]
+    N14[/Field Trip Coordination/]
+    N15([Advisory Committee Meeting])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Study Abroad Program
+        nest0_0(Student Feedback Collection)
+        nest0_1([Attendance Tracking])
+        nest0_2[/Library Registration/]
+    end
+    subgraph Lecture Delivery
+        nest1_0[Certificate Issuance]
+        nest1_1[[Peer Tutoring]]
+        nest1_2(Research Grant Application)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N13 --> nest0_0
+    nest0_2 -.-> N6
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N5 --> |funds| nest1_0
+    nest1_2 --> |learns| N1
+    N0 --> S0
+    S0 -.-> N12
+    S0 --> N15
+    S0 -.-> N2
+    N12 -.-> S1
+    S1 -.-> N15
+    S1 -.-> N14
+    N6 --> M0
+    N11 -.-> |publishes| M0
+    M0 -.-> N14
+    N5 --> M1
+    N7 --> M1
+    M1 --> N9
+    N3 -.-> M2
+    N2 -.-> M2
+    N1 --> M2
+    M2 -.-> N5
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#FFF6D9,stroke:#FFCC7A
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#FFF6D9,stroke:#FFCC7A
+    style N5 fill:#FFF6D9,stroke:#FFCC7A
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#FFF6D9,stroke:#FFCC7A
+    style N8 fill:#FFF6D9,stroke:#FFCC7A
+    style N9 fill:#BBDEFB,stroke:#2196F3
+    style N10 fill:#FFF6D9,stroke:#FFCC7A
+    style N11 fill:#FFECB3,stroke:#FFC107
+    style N12 fill:#BBDEFB,stroke:#2196F3
+    style N13 fill:#FFECB3,stroke:#FFC107
+    style N14 fill:#FFF6D9,stroke:#FFCC7A
+    style N15 fill:#FFF6D9,stroke:#FFCC7A
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#BBDEFB,stroke:#2196F3
+    style M0 fill:#FFECB3,stroke:#FFC107
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    style M2 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_0 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_1 fill:#FFECB3,stroke:#FFC107
+    style nest0_2 fill:#BBDEFB,stroke:#2196F3
+    style nest1_0 fill:#BBDEFB,stroke:#2196F3
+    style nest1_1 fill:#FFECB3,stroke:#FFC107
+    style nest1_2 fill:#FFECB3,stroke:#FFC107
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_282.mmd b/train/mermaid/hard/mermaid_282.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ae1b00831c83213500a222862288e8481aee9ed6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_282.mmd
@@ -0,0 +1,106 @@
+graph BT
+    N0([start])
+    N1[[Cold Chain Logistics]]
+    N2{Intermodal Transportation}
+    N3[(Production Scheduling Integration)]
+    N4([Customs Compliance])
+    N5([Supply Chain Visibility])
+    N6([Performance Monitoring])
+    N7(Contract Manufacturing Oversight)
+    N8(Sustainability Initiatives)
+    N9([Data Analytics for Supply Chain])
+    N10[[Production Planning]]
+    N11[Inventory Management]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Risk Management
+        nest0_0([Distribution Network Design])
+        nest0_1[Logistics Optimization]
+        nest0_2(Supply Chain Finance)
+        nest0_3[Supplier Selection]
+    end
+    subgraph Vendor Managed Inventory
+        nest1_0[(Quality Control in Supply Chain)]
+        nest1_1(Collaborative Planning, Forecasting, and Replenishment)
+        nest1_2(Hazardous Materials Handling)
+        nest1_3[/Demand Planning/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |yes| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N9 -.-> nest0_0
+    nest0_3 --> N10
+    nest1_0 --> nest1_1
+    nest1_1 --> |yes| nest1_2
+    nest1_2 --> nest1_3
+    N6 -.-> nest1_0
+    nest1_3 -.-> N10
+    N2 --> S0
+    S0 -.-> N11
+    S0 --> N8
+    S0 -.-> N10
+    N4 --> S1
+    S1 --> N10
+    S1 --> N8
+    S1 --> N11
+    N4 --> M0
+    N1 --> M0
+    M0 -.-> N9
+    N3 -.-> M1
+    N2 -.-> M1
+    N0 --> M1
+    M1 --> N5
+    style S0 fill:#EDE7F6,stroke:#9575CD
+    style S1 fill:#EDE7F6,stroke:#9575CD
+    style M0 fill:#DDCEDD,stroke:#AF56A6
+    style M1 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FF5722,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_283.mmd b/train/mermaid/hard/mermaid_283.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f5a90faddd612ea0a05c745e72814319216d5d8d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_283.mmd
@@ -0,0 +1,150 @@
+graph RL
+    N0([Inventory Management])
+    N1([Warehouse Automation])
+    N2[[Production Scheduling Integration]]
+    N3(Intermodal Transportation)
+    N4[(Production Planning)]
+    N5{Demand Planning}
+    N6[/Cold Chain Logistics/]
+    N7(Third_Party Logistics Management)
+    N8([Supply Chain Finance])
+    N9{Transportation Management}
+    N10(Collaborative Planning, Forecasting, and Replenishment)
+    N11[Warehousing]
+    N12[Order Fulfillment]
+    N13([Predictive Analytics])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Global Sourcing Strategy
+        nest0_0[Freight Auditing]
+        nest0_1(Distribution Network Design)
+        nest0_2(Resilience Planning)
+        nest0_3[/Supplier Relationship Management/]
+    end
+    subgraph Data Analytics for Supply Chain
+        nest1_0([Procurement])
+        nest1_1[Blockchain for Traceability]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N4 --> nest0_0
+    nest0_3 -.-> N10
+    nest1_0 --> nest1_1
+    N9 -.-> nest1_0
+    nest1_1 --> N9
+    N5 -.-> S0
+    S0 -.-> N12
+    S0 -.-> N7
+    S0 --> N8
+    S0 -.-> N9
+    N8 --> S1
+    S1 --> N10
+    S1 -.-> N11
+    N3 --> S2
+    S2 --> N10
+    S2 -.-> N13
+    S2 -.-> N7
+    S2 -.-> N11
+    N9 -.-> M0
+    N1 -.-> M0
+    N6 --> |innovates| M0
+    M0 -.-> N12
+    N7 -.-> M1
+    N9 -.-> M1
+    N2 -.-> M1
+    M1 -.-> N11
+    N0 -.-> M2
+    N1 --> M2
+    N2 --> M2
+    M2 --> N4
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#D0EFEE,stroke:#73C6BC
+    style N2 fill:#F3E5F5,stroke:#BA68C8
+    style N3 fill:#E0F7FA,stroke:#00BCD4
+    style N4 fill:#F3E5F5,stroke:#BA68C8
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#D0EFEE,stroke:#73C6BC
+    style N8 fill:#E0F7FA,stroke:#00BCD4
+    style N9 fill:#F3E5F5,stroke:#BA68C8
+    style N10 fill:#D0EFEE,stroke:#73C6BC
+    style N11 fill:#E0F7FA,stroke:#00BCD4
+    style N12 fill:#D0EFEE,stroke:#73C6BC
+    style N13 fill:#E0F7FA,stroke:#00BCD4
+    style S0 fill:#D0EFEE,stroke:#73C6BC
+    style S1 fill:#F3E5F5,stroke:#BA68C8
+    style S2 fill:#E0F7FA,stroke:#00BCD4
+    style M0 fill:#F3E5F5,stroke:#BA68C8
+    style M1 fill:#F3E5F5,stroke:#BA68C8
+    style M2 fill:#F3E5F5,stroke:#BA68C8
+    style nest0_0 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_1 fill:#F3E5F5,stroke:#BA68C8
+    style nest0_2 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_3 fill:#D0EFEE,stroke:#73C6BC
+    style nest1_0 fill:#E0F7FA,stroke:#00BCD4
+    style nest1_1 fill:#D0EFEE,stroke:#73C6BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_283.txt b/train/mermaid/hard/mermaid_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b9feb865dacb21725ecd3810f71d71984ecc15d3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_283.txt
@@ -0,0 +1,46 @@
+<Blockchain for Traceability, connectedTo, Transportation Management>
+<Blockchain for Traceability, partOf, Data Analytics for Supply Chain>
+<Cold Chain Logistics, connectedTo, Third_Party Logistics Management>
+<Cold Chain Logistics, innovates, Order Fulfillment>
+<Collaborative Planning, Forecasting, and Replenishment, connectedTo, Warehousing>
+<Demand Planning, connectedTo, Cold Chain Logistics>
+<Demand Planning, connectedTo, Order Fulfillment>
+<Demand Planning, connectedTo, Supply Chain Finance>
+<Demand Planning, connectedTo, Third_Party Logistics Management>
+<Demand Planning, connectedTo, Transportation Management>
+<Distribution Network Design, connectedTo, Resilience Planning>
+<Distribution Network Design, partOf, Global Sourcing Strategy>
+<Freight Auditing, connectedTo, Distribution Network Design>
+<Freight Auditing, partOf, Global Sourcing Strategy>
+<Intermodal Transportation, connectedTo, Collaborative Planning, Forecasting, and Replenishment>
+<Intermodal Transportation, connectedTo, Predictive Analytics>
+<Intermodal Transportation, connectedTo, Production Planning>
+<Intermodal Transportation, connectedTo, Third_Party Logistics Management>
+<Intermodal Transportation, connectedTo, Warehousing>
+<Inventory Management, connectedTo, Production Planning>
+<Inventory Management, connectedTo, Warehouse Automation>
+<Order Fulfillment, connectedTo, Predictive Analytics>
+<Procurement, connectedTo, Blockchain for Traceability>
+<Procurement, partOf, Data Analytics for Supply Chain>
+<Production Planning, connectedTo, Demand Planning>
+<Production Planning, connectedTo, Freight Auditing>
+<Production Scheduling Integration, connectedTo, Intermodal Transportation>
+<Production Scheduling Integration, connectedTo, Production Planning>
+<Production Scheduling Integration, connectedTo, Warehousing>
+<Resilience Planning, connectedTo, Supplier Relationship Management>
+<Resilience Planning, partOf, Global Sourcing Strategy>
+<Supplier Relationship Management, connectedTo, Collaborative Planning, Forecasting, and Replenishment>
+<Supplier Relationship Management, partOf, Global Sourcing Strategy>
+<Supply Chain Finance, connectedTo, Collaborative Planning, Forecasting, and Replenishment>
+<Supply Chain Finance, connectedTo, Transportation Management>
+<Supply Chain Finance, connectedTo, Warehousing>
+<Third_Party Logistics Management, connectedTo, Supply Chain Finance>
+<Third_Party Logistics Management, connectedTo, Warehousing>
+<Transportation Management, connectedTo, Collaborative Planning, Forecasting, and Replenishment>
+<Transportation Management, connectedTo, Order Fulfillment>
+<Transportation Management, connectedTo, Procurement>
+<Transportation Management, connectedTo, Warehousing>
+<Warehouse Automation, connectedTo, Order Fulfillment>
+<Warehouse Automation, connectedTo, Production Planning>
+<Warehouse Automation, connectedTo, Production Scheduling Integration>
+<Warehousing, connectedTo, Order Fulfillment>
diff --git a/train/mermaid/hard/mermaid_287.mmd b/train/mermaid/hard/mermaid_287.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..91f05aac63a22910c24980a7202780f29d7bc1f7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_287.mmd
@@ -0,0 +1,98 @@
+graph LR
+    N0([start])
+    N1(Quality Control in Supply Chain)
+    N2[/Reverse Logistics/]
+    N3[(Circular Economy Practices)]
+    N4[Resilience Planning]
+    N5([Last_Mile Delivery Optimization])
+    N6(Container Tracking)
+    N7[Intermodal Transportation]
+    N8[Hazardous Materials Handling]
+    N9[[Transportation Management]]
+    N10(Supplier Selection)
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Production Planning
+        nest0_0[Collaborative Planning, Forecasting, and Replenishment]
+        nest0_1([Cold Chain Logistics])
+        nest0_2[Risk Mitigation Strategies]
+    end
+    subgraph Third_Party Logistics Management
+        nest1_0[/Warehouse Automation/]
+        nest1_1{Warehousing}
+        nest1_2([Material Flow Management])
+        nest1_3[/Performance Monitoring/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N5 --> nest0_0
+    nest0_2 -.-> N8
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N9 --> nest1_0
+    nest1_3 --> |no| N1
+    N5 -.-> S0
+    S0 --> N7
+    S0 -.-> N10
+    N2 --> S1
+    S1 -.-> N7
+    S1 -.-> N5
+    S1 -.-> N9
+    N4 -.-> M0
+    N2 --> |no| M0
+    M0 -.-> N6
+    N3 --> M1
+    N2 --> M1
+    N1 --> M1
+    M1 -.-> N5
+    style S0 fill:#FFFCE6,stroke:#FFF9AE
+    style S1 fill:#D0EFEE,stroke:#73C6BC
+    style M0 fill:#FFFCE6,stroke:#FFF9AE
+    style M1 fill:#D0EFEE,stroke:#73C6BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFB74D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_288.png b/train/mermaid/hard/mermaid_288.png
new file mode 100644
index 0000000000000000000000000000000000000000..d3e5afe79edd91e20b17cac30a8985c50206101f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_288.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:62ceddf0ef86c9a0535aee2759811a3f273db190e6ce94f0a72522ff8873ce3c
+size 265573
diff --git a/train/mermaid/hard/mermaid_288.txt b/train/mermaid/hard/mermaid_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff0619ad5c37f2b67eeee9e82c9c60fe54e9f55e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_288.txt
@@ -0,0 +1,38 @@
+<Blockchain for Traceability, connectedTo, Digital Twin of Supply Chain>
+<Blockchain for Traceability, connectedTo, Freight Auditing>
+<Blockchain for Traceability, connectedTo, Supplier Selection>
+<Blockchain for Traceability, connectedTo, Warehousing>
+<Circular Economy Practices, connectedTo, Data Analytics for Supply Chain>
+<Circular Economy Practices, connectedTo, Procurement>
+<Container Tracking, connectedTo, Sustainability Initiatives>
+<Container Tracking, partOf, Last_Mile Delivery Optimization>
+<Data Analytics for Supply Chain, connectedTo, Container Tracking>
+<Data Analytics for Supply Chain, connectedTo, Supply Chain Visibility>
+<Data Analytics for Supply Chain, no, Risk Management>
+<Demand Planning, connectedTo, Warehousing>
+<Demand Planning, partOf, Last_Mile Delivery Optimization>
+<Digital Twin of Supply Chain, connectedTo, Supplier Selection>
+<Freight Auditing, connectedTo, Vendor Managed Inventory>
+<Freight Auditing, connectedTo, Warehousing>
+<Hazardous Materials Handling, connectedTo, Demand Planning>
+<Hazardous Materials Handling, partOf, Last_Mile Delivery Optimization>
+<Procurement, connectedTo, Data Analytics for Supply Chain>
+<Procurement, connectedTo, Digital Twin of Supply Chain>
+<Procurement, connectedTo, Freight Auditing>
+<Procurement, connectedTo, Logistics Optimization>
+<Procurement, connectedTo, Supply Chain Visibility>
+<Production Planning, connectedTo, Circular Economy Practices>
+<Production Planning, partOf, Intermodal Transportation>
+<Quality Control in Supply Chain, connectedTo, Production Planning>
+<Quality Control in Supply Chain, partOf, Intermodal Transportation>
+<Risk Management, connectedTo, Supply Chain Visibility>
+<Supplier Selection, connectedTo, Logistics Optimization>
+<Supply Chain Visibility, connectedTo, Blockchain for Traceability>
+<Sustainability Initiatives, connectedTo, Hazardous Materials Handling>
+<Sustainability Initiatives, partOf, Last_Mile Delivery Optimization>
+<Vendor Managed Inventory, connectedTo, Quality Control in Supply Chain>
+<Vendor Managed Inventory, partOf, Intermodal Transportation>
+<Warehousing, connectedTo, Digital Twin of Supply Chain>
+<start, connectedTo, Circular Economy Practices>
+<start, connectedTo, Data Analytics for Supply Chain>
+<start, connectedTo, Supply Chain Visibility>
diff --git a/train/mermaid/hard/mermaid_29.png b/train/mermaid/hard/mermaid_29.png
new file mode 100644
index 0000000000000000000000000000000000000000..07f717c67960b7476be37c1af2d629a40adc0864
--- /dev/null
+++ b/train/mermaid/hard/mermaid_29.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed27437d8af6e26eac9ef65c47a58d467a2cae68e3ab1cf911ed41a60f154625
+size 605871
diff --git a/train/mermaid/hard/mermaid_290.txt b/train/mermaid/hard/mermaid_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cedc633fc52a56087eb19e261c35e6a802c53631
--- /dev/null
+++ b/train/mermaid/hard/mermaid_290.txt
@@ -0,0 +1,28 @@
+<Asset Management, connectedTo, Waste Rock Management>
+<Emergency Response Planning, connectedTo, Asset Management>
+<Environmental Impact Assessment, connectedTo, Equipment Maintenance>
+<Environmental Impact Assessment, connectedTo, Remote Operations Center>
+<Equipment Maintenance, connectedTo, Asset Management>
+<Equipment Maintenance, connectedTo, Emergency Response Planning>
+<Equipment Maintenance, connectedTo, Exploration Drilling>
+<Equipment Maintenance, connectedTo, Geotechnical Stability Analysis>
+<Equipment Maintenance, connectedTo, Mine Planning>
+<Equipment Maintenance, connectedTo, Open Pit Mining Operations>
+<Exploration Drilling, connectedTo, Emergency Response Planning>
+<Geotechnical Stability Analysis, connectedTo, Mine Planning>
+<Haulage, connectedTo, Equipment Maintenance>
+<Haulage, connectedTo, Smelting>
+<Open Pit Mining Operations, connectedTo, Robotics in Mining>
+<Open Pit Mining Operations, partOf, Noise Management>
+<Refining, maintains, Underground Mining Operations>
+<Refining, partOf, Mine Closure Planning>
+<Remote Operations Center, connectedTo, Haulage>
+<Robotics in Mining, connectedTo, Mine Planning>
+<Robotics in Mining, partOf, Noise Management>
+<Smelting, connectedTo, Equipment Maintenance>
+<Smelting, connectedTo, Refining>
+<Smelting, regulates, Tailings Management>
+<Tailings Management, connectedTo, Equipment Maintenance>
+<Underground Mining Operations, connectedTo, Waste Rock Management>
+<Underground Mining Operations, partOf, Mine Closure Planning>
+<Waste Rock Management, connectedTo, Geotechnical Stability Analysis>
diff --git a/train/mermaid/hard/mermaid_291.png b/train/mermaid/hard/mermaid_291.png
new file mode 100644
index 0000000000000000000000000000000000000000..5ae33c346a59dfb1c1ff3398d92601f1ac2a46c3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_291.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:93f18a424f4d212b3a28dff0b283ecdba8e81b01e5a12c65a29e44849ce945a3
+size 565925
diff --git a/train/mermaid/hard/mermaid_296.mmd b/train/mermaid/hard/mermaid_296.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9277293a9a05b7a1a370bb98595e5152ebeaa124
--- /dev/null
+++ b/train/mermaid/hard/mermaid_296.mmd
@@ -0,0 +1,86 @@
+graph LR
+    N0([start])
+    N1[/Asset Management/]
+    N2(Energy Management)
+    N3[Environmental Impact Assessment]
+    N4(Tailings Management)
+    N5(Dust Control)
+    N6[/Equipment Maintenance/]
+    N7[[Autonomous Haulage Systems]]
+    N8{Product Marketing}
+    N9[[Exploration]]
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Regulatory Compliance Reporting
+        nest0_0{Feasibility Study}
+        nest0_1[(Drilling and Blasting)]
+        nest0_2(Mine Planning)
+        nest0_3[[Geological Survey]]
+    end
+    subgraph Mineral Processing
+        nest1_0([Crushing and Grinding])
+        nest1_1[(Mine Closure Planning)]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N2 --> nest0_0
+    nest0_3 --> N9
+    nest1_0 --> nest1_1
+    N7 --> nest1_0
+    nest1_1 --> N1
+    N4 -.-> S0
+    S0 --> N7
+    S0 -.-> N9
+    S0 --> N6
+    S0 --> N8
+    N2 --> S2
+    S2 --> |no| N5
+    S2 -.-> N8
+    N5 -.-> M0
+    N6 --> M0
+    N0 -.-> M0
+    M0 --> N8
+    style S0 fill:#FFE0B2,stroke:#FF9800
+    style S2 fill:#FFE0B2,stroke:#FF9800
+    style M0 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FF9800,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_298.txt b/train/mermaid/hard/mermaid_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7cb6192ab4fbc741eacc368eceaa57a1eb7399c2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_298.txt
@@ -0,0 +1,46 @@
+<Autonomous Vessels, connectedTo, Pollution Control>
+<Autonomous Vessels, partOf, Marine Safety Inspection>
+<Ballast Water Management, connectedTo, Salvage Operations>
+<Bunkering, complies, Cargo Loading>
+<Bunkering, connectedTo, Ballast Water Management>
+<Bunkering, connectedTo, Port Operations>
+<Bunkering, connectedTo, Ship Registry>
+<Cargo Loading, connectedTo, Port Congestion Management>
+<Cargo Loading, partOf, Fleet Management>
+<Crew Management, connectedTo, Ballast Water Management>
+<Crew Management, connectedTo, Marine Data Analytics>
+<Crew Management, routes, Port Operations>
+<Fisheries Management, connectedTo, Green Shipping Initiatives>
+<Fisheries Management, partOf, Marine Safety Inspection>
+<Freight Forwarding, connectedTo, Green Shipping Initiatives>
+<Fuel Consumption Optimization, inspects, Freight Forwarding>
+<Fuel Consumption Optimization, partOf, Fleet Management>
+<Green Shipping Initiatives, connectedTo, Pilotage>
+<Marine Data Analytics, connectedTo, Port Operations>
+<Marine Insurance, connectedTo, Crew Management>
+<Marine Insurance, plans, Ballast Water Management>
+<Pollution Control, connectedTo, Route Planning>
+<Pollution Control, partOf, Marine Safety Inspection>
+<Port Congestion Management, connectedTo, Fuel Consumption Optimization>
+<Port Congestion Management, partOf, Fleet Management>
+<Port Operations, connectedTo, Ballast Water Management>
+<Port Operations, connectedTo, Pilotage>
+<Port Operations, connectedTo, Salvage Operations>
+<Port Operations, connectedTo, Ship_to_Shore Communication>
+<Route Planning, connectedTo, Fisheries Management>
+<Route Planning, partOf, Marine Safety Inspection>
+<Salvage Operations, connectedTo, Freight Forwarding>
+<Search and Rescue Coordination, builds, Marine Data Analytics>
+<Search and Rescue Coordination, connectedTo, Ballast Water Management>
+<Search and Rescue Coordination, connectedTo, Bunkering>
+<Search and Rescue Coordination, connectedTo, Green Shipping Initiatives>
+<Search and Rescue Coordination, connectedTo, Port Operations>
+<Ship Registry, connectedTo, Ballast Water Management>
+<Ship Registry, connectedTo, Marine Insurance>
+<Ship Registry, connectedTo, Port Operations>
+<Ship_to_Shore Communication, connectedTo, Subsea Cable Laying>
+<Subsea Cable Laying, connectedTo, Autonomous Vessels>
+<Subsea Cable Laying, connectedTo, Ballast Water Management>
+<Subsea Cable Laying, connectedTo, Green Shipping Initiatives>
+<Subsea Cable Laying, connectedTo, Pilotage>
+<Subsea Cable Laying, connectedTo, Salvage Operations>
diff --git a/train/mermaid/hard/mermaid_299.mmd b/train/mermaid/hard/mermaid_299.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e1df26c55d5ce54b6e15692801ee83787dc15c4a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_299.mmd
@@ -0,0 +1,91 @@
+graph BT
+    N0([start])
+    N1[Port Congestion Management]
+    N2[(Marine Insurance)]
+    N3[/Route Planning/]
+    N4[(Container Tracking)]
+    N5(Offshore Operations)
+    N6{Crew Management}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M2(( ))
+    subgraph Maritime Security
+        nest0_0(Pollution Control)
+        nest0_1[Fuel Consumption Optimization]
+        nest0_2[[Vessel Maintenance]]
+        nest0_3[Port Operations]
+    end
+    subgraph Voyage Optimization
+        nest1_0[(Marine Research)]
+        nest1_1{Terminal Management}
+        nest1_2([Navigation])
+        nest1_3[/Marine Data Analytics/]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N1 -.-> nest0_0
+    nest0_3 -.-> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> |yes| nest1_2
+    nest1_2 -.-> nest1_3
+    N5 --> |no| nest1_0
+    nest1_3 -.-> N3
+    N3 --> S0
+    S0 -.-> N5
+    S0 -.-> N6
+    N1 --> S1
+    S1 --> N4
+    S1 --> N3
+    S1 --> N5
+    S1 -.-> N6
+    N2 --> S2
+    S2 --> N5
+    S2 -.-> N6
+    S2 --> N4
+    N0 --> M2
+    N1 -.-> M2
+    M2 --> N3
+    style S0 fill:#FFF0CC,stroke:#FFCC80
+    style S1 fill:#FFF0CC,stroke:#FFCC80
+    style S2 fill:#FFF0CC,stroke:#FFCC80
+    style M2 fill:#E1F5FE,stroke:#4FC3F7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_300.txt b/train/mermaid/hard/mermaid_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4e8a6e292d7984dc4740f9a7fab927b45292d39
--- /dev/null
+++ b/train/mermaid/hard/mermaid_300.txt
@@ -0,0 +1,39 @@
+<Autonomous Vessels, connectedTo, Container Tracking>
+<Cargo Loading, connectedTo, Customs Clearance>
+<Cargo Loading, partOf, Maritime Law Compliance>
+<Container Tracking, connectedTo, Maritime Security>
+<Crew Management, connectedTo, Dry Docking>
+<Crew Management, connectedTo, Port Operations>
+<Customs Clearance, fuels, Route Planning>
+<Customs Clearance, partOf, Maritime Law Compliance>
+<Fisheries Management, connectedTo, Subsea Cable Laying>
+<Fleet Management, connectedTo, Ship Design>
+<Freight Forwarding, connectedTo, Voyage Optimization>
+<Freight Forwarding, partOf, Ship Registry>
+<Fuel Consumption Optimization, connectedTo, Freight Forwarding>
+<Fuel Consumption Optimization, partOf, Ship Registry>
+<Green Shipping Initiatives, connectedTo, Dry Docking>
+<Green Shipping Initiatives, connectedTo, Marine Research>
+<Marine Research, connectedTo, Shipbuilding>
+<Marine Safety Inspection, connectedTo, Dry Docking>
+<Maritime Security, connectedTo, Dry Docking>
+<Maritime Security, connectedTo, Fleet Management>
+<Maritime Security, connectedTo, Marine Safety Inspection>
+<Maritime Security, connectedTo, Vessel Chartering>
+<Maritime Security, connectedTo, Vessel Maintenance>
+<Port Operations, connectedTo, Autonomous Vessels>
+<Port Operations, connectedTo, Fuel Consumption Optimization>
+<Route Planning, partOf, Maritime Law Compliance>
+<Route Planning, plans, Vessel Chartering>
+<Ship Design, connectedTo, Vessel Maintenance>
+<Shipbuilding, connectedTo, Terminal Management>
+<Subsea Cable Laying, connectedTo, Crew Management>
+<Terminal Management, connectedTo, Vessel Chartering>
+<Vessel Chartering, connectedTo, Cargo Loading>
+<Vessel Chartering, connectedTo, Marine Safety Inspection>
+<Vessel Maintenance, connectedTo, Green Shipping Initiatives>
+<Vessel Maintenance, connectedTo, Marine Research>
+<Vessel Maintenance, connectedTo, Shipbuilding>
+<Voyage Optimization, connectedTo, Fleet Management>
+<Voyage Optimization, partOf, Ship Registry>
+<start, connectedTo, Fisheries Management>
diff --git a/train/mermaid/hard/mermaid_302.mmd b/train/mermaid/hard/mermaid_302.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e368a73cde7aaf2e972f72de27a49f76b5ddc6fc
--- /dev/null
+++ b/train/mermaid/hard/mermaid_302.mmd
@@ -0,0 +1,117 @@
+graph LR
+    N0([start])
+    N1{Marine Research}
+    N2[/Offshore Operations/]
+    N3(Ship Registry)
+    N4{Hydrographic Surveying}
+    N5{Navigation}
+    N6([Port Congestion Management])
+    N7(Port Operations)
+    N8[(Vessel Chartering)]
+    N9[Vessel Maintenance]
+    N10{Maritime Law Compliance}
+    N11[Pollution Control]
+    N12(Fisheries Management)
+    N13(Container Tracking)
+    N14[/Ballast Water Management/]
+    N15[[Fleet Management]]
+    N16([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Green Shipping Initiatives
+        nest0_0[[Customs Clearance]]
+        nest0_1[Pilotage]
+    end
+    subgraph Voyage Optimization
+        nest1_0[Ship_to_Shore Communication]
+        nest1_1[Shipbuilding]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 --> N16
+    nest0_0 -.-> nest0_1
+    N5 --> nest0_0
+    nest0_1 --> N3
+    nest1_0 --> nest1_1
+    N5 --> |yes| nest1_0
+    nest1_1 --> N1
+    N1 --> S0
+    S0 --> N16
+    S0 -.-> N14
+    S0 --> N6
+    N12 --> S1
+    S1 --> N14
+    S1 --> N16
+    S1 -.-> N15
+    N12 -.-> S2
+    S2 --> N15
+    S2 -.-> N14
+    N10 --> M0
+    N0 --> M0
+    N12 -.-> M0
+    M0 -.-> N16
+    N7 -.-> M1
+    N1 -.-> M1
+    M1 -.-> N15
+    style S0 fill:#ECCFF5,stroke:#CD8FF2
+    style S1 fill:#E9F7E8,stroke:#6EB76D
+    style S2 fill:#ECCFF5,stroke:#CD8FF2
+    style M0 fill:#E0F7FA,stroke:#00BCD4
+    style M1 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_303.mmd b/train/mermaid/hard/mermaid_303.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..68ee208a868e56a6a55819f4e5832d3eb6e102e4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_303.mmd
@@ -0,0 +1,90 @@
+graph TD
+    N0([start])
+    N1(Navigation)
+    N2[/Maritime Law Compliance/]
+    N3{Pilotage}
+    N4(Fuel Consumption Optimization)
+    N5([Hydrographic Surveying])
+    N6{Port Operations}
+    N7[Route Planning]
+    N8[/Ballast Water Management/]
+    S1(( ))
+    subgraph Freight Forwarding
+        nest0_0(Marine Insurance)
+        nest0_1[(Shipbuilding)]
+        nest0_2[Fleet Management]
+        nest0_3(Inland Waterway Transport)
+    end
+    subgraph Offshore Operations
+        nest1_0[[Customs Clearance]]
+        nest1_1{Ship Registry}
+    end
+    N0 -.-> |analyzes| N1
+    N1 --> |docks| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |equipment| N8
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N7 -.-> nest0_0
+    nest0_3 --> N5
+    nest1_0 -.-> nest1_1
+    N4 -.-> nest1_0
+    nest1_1 --> N8
+    N0 -.-> S1
+    S1 --> N4
+    S1 --> N8
+    S1 -.-> N7
+    N7 --> nest0_2
+    N6 -.-> |inspects| N5
+    N0 -.-> nest0_2
+    N3 --> N2
+    nest0_0 -.-> N3
+    N7 --> N2
+    style N0 fill:#FFFAE0,stroke:#FFE470
+    style N1 fill:#FFEBEB,stroke:#FFC2C2
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#FFFAE0,stroke:#FFE470
+    style N5 fill:#F3E5F5,stroke:#BA68C8
+    style N6 fill:#F3E5F5,stroke:#BA68C8
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#FFFAE0,stroke:#FFE470
+    style S1 fill:#FFFAE0,stroke:#FFE470
+    style nest0_0 fill:#FFFAE0,stroke:#FFE470
+    style nest0_1 fill:#FFEBEB,stroke:#FFC2C2
+    style nest0_2 fill:#FFEBEB,stroke:#FFC2C2
+    style nest0_3 fill:#FFFAE0,stroke:#FFE470
+    style nest1_0 fill:#FFFAE0,stroke:#FFE470
+    style nest1_1 fill:#F3E5F5,stroke:#BA68C8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#BA68C8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_314.txt b/train/mermaid/hard/mermaid_314.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9831a002538de9d3e3d77339f18a8cbf3a47f617
--- /dev/null
+++ b/train/mermaid/hard/mermaid_314.txt
@@ -0,0 +1,31 @@
+<Adaptation Strategy Development, connectedTo, Carbon Cycle Research>
+<Adaptation Strategy Development, connectedTo, Environmental Justice Study>
+<Adaptation Strategy Development, connectedTo, Permafrost Thaw Assessment>
+<Adaptation Strategy Development, connectedTo, Renewable Energy Potential Assessment>
+<Adaptation Strategy Development, connectedTo, Solar Radiation Management Research>
+<Carbon Cycle Research, connectedTo, Climate Modeling>
+<Carbon Cycle Research, connectedTo, Climate Resilient Agriculture>
+<Climate Change Vulnerability Assessment, connectedTo, Mitigation Technology Evaluation>
+<Climate Modeling, connectedTo, Climate Change Vulnerability Assessment>
+<Climate Resilient Agriculture, connectedTo, Glacier Mass Balance Monitoring>
+<Climate Resilient Agriculture, partOf, Climate Impact Assessment>
+<Drought Monitoring and Forecasting, connectedTo, Renewable Energy Potential Assessment>
+<Ecological Footprint Calculation, connectedTo, Indigenous Knowledge Integration>
+<Ecological Footprint Calculation, partOf, International Climate Negotiation>
+<Environmental Justice Study, studies, Public Engagement on Climate>
+<Glacier Mass Balance Monitoring, connectedTo, Adaptation Strategy Development>
+<Glacier Mass Balance Monitoring, partOf, Climate Impact Assessment>
+<Indigenous Knowledge Integration, connectedTo, Satellite Data Interpretation>
+<Indigenous Knowledge Integration, partOf, International Climate Negotiation>
+<Ocean Acidification Studies, connectedTo, Adaptation Strategy Development>
+<Ocean Acidification Studies, connectedTo, Environmental Justice Study>
+<Ocean Acidification Studies, connectedTo, Permafrost Thaw Assessment>
+<Permafrost Thaw Assessment, connectedTo, Environmental Justice Study>
+<Public Engagement on Climate, connectedTo, Drought Monitoring and Forecasting>
+<Renewable Energy Potential Assessment, connectedTo, Ecological Footprint Calculation>
+<Renewable Energy Potential Assessment, educates, Carbon Cycle Research>
+<Satellite Data Interpretation, connectedTo, Climate Modeling>
+<Satellite Data Interpretation, partOf, International Climate Negotiation>
+<Solar Radiation Management Research, connectedTo, Environmental Justice Study>
+<Solar Radiation Management Research, connectedTo, Permafrost Thaw Assessment>
+<Solar Radiation Management Research, informs, Climate Change Vulnerability Assessment>
diff --git a/train/mermaid/hard/mermaid_316.txt b/train/mermaid/hard/mermaid_316.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55efbf8c32ff71cdff77d47c3419ad2027fff443
--- /dev/null
+++ b/train/mermaid/hard/mermaid_316.txt
@@ -0,0 +1,47 @@
+<Adaptation Strategy Development, connectedTo, Climate Education Programs>
+<Adaptation Strategy Development, partOf, Public Engagement on Climate>
+<Atmospheric Monitoring, connectedTo, Climate Policy Analysis>
+<Carbon Cycle Research, connectedTo, Climate Finance Tracking>
+<Carbon Cycle Research, connectedTo, Climate Impact Assessment>
+<Carbon Cycle Research, connectedTo, Green Technology Incubation>
+<Carbon Cycle Research, connectedTo, Indigenous Knowledge Integration>
+<Carbon Cycle Research, connectedTo, Sea Level Rise Projection>
+<Carbon Sequestration Technologies, connectedTo, Glacier Mass Balance Monitoring>
+<Carbon Sequestration Technologies, partOf, Ecological Footprint Calculation>
+<Climate Change Vulnerability Assessment, connectedTo, Extreme Weather Event Analysis>
+<Climate Education Programs, partOf, Public Engagement on Climate>
+<Climate Education Programs, solves, Indigenous Knowledge Integration>
+<Climate Finance Tracking, connectedTo, Sea Level Rise Projection>
+<Climate Impact Assessment, connectedTo, Climate Finance Tracking>
+<Climate Impact Assessment, connectedTo, Drought Monitoring and Forecasting>
+<Climate Policy Analysis, assesses, Carbon Cycle Research>
+<Climate Policy Analysis, connectedTo, Climate Finance Tracking>
+<Climate Policy Analysis, connectedTo, Drought Monitoring and Forecasting>
+<Climate Policy Analysis, connectedTo, Green Technology Incubation>
+<Climate Policy Analysis, connectedTo, Indigenous Knowledge Integration>
+<Climate Policy Analysis, connectedTo, Solar Radiation Management Research>
+<Climate Policy Analysis, connectedTo, Water Resource Management under Climate Change>
+<Climate Policy Analysis, informs, Green Technology Incubation>
+<Data Collection, connectedTo, Renewable Energy Potential Assessment>
+<Data Collection, partOf, Ecological Footprint Calculation>
+<Drought Monitoring and Forecasting, advises, Climate Finance Tracking>
+<Ecosystem Response Modeling, connectedTo, Green Technology Incubation>
+<Ecosystem Response Modeling, connectedTo, Renewable Energy Potential Assessment>
+<Ecosystem Response Modeling, connectedTo, Sea Level Rise Projection>
+<Extreme Weather Event Analysis, connectedTo, Climate Impact Assessment>
+<Flood Risk Assessment, connectedTo, Carbon Sequestration Technologies>
+<Flood Risk Assessment, partOf, Ecological Footprint Calculation>
+<Glacier Mass Balance Monitoring, connectedTo, Data Collection>
+<Glacier Mass Balance Monitoring, partOf, Ecological Footprint Calculation>
+<Green Technology Incubation, connectedTo, Indigenous Knowledge Integration>
+<Green Technology Incubation, connectedTo, Sea Level Rise Projection>
+<Greenhouse Gas Measurement, connectedTo, Carbon Cycle Research>
+<Greenhouse Gas Measurement, connectedTo, Green Technology Incubation>
+<Indigenous Knowledge Integration, connectedTo, Climate Change Vulnerability Assessment>
+<Indigenous Knowledge Integration, connectedTo, Flood Risk Assessment>
+<International Climate Negotiation, connectedTo, Ecosystem Response Modeling>
+<Renewable Energy Potential Assessment, connectedTo, Atmospheric Monitoring>
+<Renewable Energy Potential Assessment, connectedTo, Sea Level Rise Projection>
+<Solar Radiation Management Research, connectedTo, Adaptation Strategy Development>
+<Solar Radiation Management Research, partOf, Public Engagement on Climate>
+<Water Resource Management under Climate Change, connectedTo, Greenhouse Gas Measurement>
diff --git a/train/mermaid/hard/mermaid_32.txt b/train/mermaid/hard/mermaid_32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..27d11ca76f2715fe28f924aeeea7f7aa93f279a4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_32.txt
@@ -0,0 +1,32 @@
+<Alumni Network Management, connectedTo, Thesis Submission>
+<Assignment Submission, connectedTo, Student Enrollment>
+<Attendance Tracking, connectedTo, Study Abroad Program>
+<Attendance Tracking, partOf, Career Services>
+<Certificate Issuance, connectedTo, Library Registration>
+<Club Registration, connectedTo, Assignment Submission>
+<Club Registration, connectedTo, Library Registration>
+<Club Registration, connectedTo, Special Education Support>
+<Club Registration, funds, Exam Conduct>
+<Club Registration, researches, Result Declaration>
+<Exam Conduct, connectedTo, Certificate Issuance>
+<Extracurricular Activity, connectedTo, Special Education Support>
+<Field Trip Coordination, connectedTo, Library Registration>
+<Field Trip Coordination, partOf, Grade Entry>
+<Library Registration, connectedTo, Alumni Network Management>
+<Online Learning Platform Management, connectedTo, Counseling Session>
+<Orientation, administers, Field Trip Coordination>
+<Orientation, partOf, Grade Entry>
+<Result Declaration, connectedTo, Assignment Submission>
+<Special Education Support, connectedTo, Attendance Tracking>
+<Special Education Support, connectedTo, Online Learning Platform Management>
+<Special Education Support, connectedTo, Orientation>
+<Student Enrollment, connectedTo, Alumni Network Management>
+<Student Enrollment, connectedTo, Certificate Issuance>
+<Student Enrollment, connectedTo, Exam Conduct>
+<Student Enrollment, connectedTo, Extracurricular Activity>
+<Student Enrollment, connectedTo, Online Learning Platform Management>
+<Study Abroad Program, connectedTo, Assignment Submission>
+<Study Abroad Program, partOf, Career Services>
+<Thesis Submission, connectedTo, Extracurricular Activity>
+<start, connectedTo, Assignment Submission>
+<start, connectedTo, Club Registration>
diff --git a/train/mermaid/hard/mermaid_320.mmd b/train/mermaid/hard/mermaid_320.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..298cbb3a0f87bbb9a0cf2e5079970132d3b1b37c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_320.mmd
@@ -0,0 +1,142 @@
+graph RL
+    N0([Paleoclimate Reconstruction])
+    N1{Adaptation Strategy Development}
+    N2[/Biodiversity Impact Assessment/]
+    N3[Glacier Mass Balance Monitoring]
+    N4[Mitigation Technology Evaluation]
+    N5[/Climate Impact Assessment/]
+    N6[/Flood Risk Assessment/]
+    N7[[Indigenous Knowledge Integration]]
+    N8(Climate Finance Tracking)
+    N9(Climate Change Vulnerability Assessment)
+    N10[/Climate Resilient Agriculture/]
+    N11(Permafrost Thaw Assessment)
+    N12(Climate Education Programs)
+    N13[(Greenhouse Gas Measurement)]
+    N14[(Carbon Sequestration Technologies)]
+    N15([Green Technology Incubation])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Ice Sheet Dynamics
+        nest0_0[[Ocean Current Analysis]]
+        nest0_1([Arctic and Antarctic Research])
+        nest0_2[[Remote Sensing for Climate]]
+    end
+    subgraph Climate Modeling
+        nest1_0([Drought Monitoring and Forecasting])
+        nest1_1([Solar Radiation Management Research])
+        nest1_2([Aerosol Impact Assessment])
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> |adapts| N14
+    N14 -.-> N15
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N9 -.-> nest0_0
+    nest0_2 --> N2
+    nest1_0 -.-> |analyzes| nest1_1
+    nest1_1 --> nest1_2
+    N13 --> nest1_0
+    nest1_2 -.-> N13
+    N0 --> S0
+    S0 -.-> N15
+    S0 -.-> N3
+    N5 --> S1
+    S1 --> N11
+    S1 --> N12
+    S1 -.-> N9
+    N9 -.-> S2
+    S2 --> N13
+    S2 -.-> N11
+    N8 --> M0
+    N5 --> M0
+    N9 -.-> M0
+    M0 -.-> N11
+    N6 -.-> M1
+    N3 --> |visualizes| M1
+    N4 --> M1
+    M1 --> N9
+    style N0 fill:#ECEFF1,stroke:#90A4AE
+    style N1 fill:#E8F0EA,stroke:#92C79A
+    style N2 fill:#ECEFF1,stroke:#90A4AE
+    style N3 fill:#E8F0EA,stroke:#92C79A
+    style N4 fill:#E8F0EA,stroke:#92C79A
+    style N5 fill:#FFDCD6,stroke:#FFB2A5
+    style N6 fill:#ECEFF1,stroke:#90A4AE
+    style N7 fill:#E8F0EA,stroke:#92C79A
+    style N8 fill:#ECEFF1,stroke:#90A4AE
+    style N9 fill:#FFDCD6,stroke:#FFB2A5
+    style N10 fill:#E8F0EA,stroke:#92C79A
+    style N11 fill:#FFDCD6,stroke:#FFB2A5
+    style N12 fill:#FFDCD6,stroke:#FFB2A5
+    style N13 fill:#ECEFF1,stroke:#90A4AE
+    style N14 fill:#ECEFF1,stroke:#90A4AE
+    style N15 fill:#E8F0EA,stroke:#92C79A
+    style S0 fill:#FFDCD6,stroke:#FFB2A5
+    style S1 fill:#E8F0EA,stroke:#92C79A
+    style S2 fill:#E8F0EA,stroke:#92C79A
+    style M0 fill:#FFDCD6,stroke:#FFB2A5
+    style M1 fill:#FFDCD6,stroke:#FFB2A5
+    style nest0_0 fill:#E8F0EA,stroke:#92C79A
+    style nest0_1 fill:#ECEFF1,stroke:#90A4AE
+    style nest0_2 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_0 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_1 fill:#FFDCD6,stroke:#FFB2A5
+    style nest1_2 fill:#FFDCD6,stroke:#FFB2A5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_322.png b/train/mermaid/hard/mermaid_322.png
new file mode 100644
index 0000000000000000000000000000000000000000..53b5efd6a05a8022f999dafa556341eacc08ce7a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_322.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6ef3f54309e6526fa758ae3090708b6768a1fc17f32ef7f24c49a2af24a7fe06
+size 203731
diff --git a/train/mermaid/hard/mermaid_323.txt b/train/mermaid/hard/mermaid_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..963d54268b3f0be01fe905f211fdf4bc50068ef8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_323.txt
@@ -0,0 +1,32 @@
+<Agricultural Weather Advisory, connectedTo, Mesoscale Meteorology>
+<Agricultural Weather Advisory, connectedTo, Tropical Cyclone Analysis>
+<Air Quality Forecasting, connectedTo, Atmospheric Data Collection>
+<Air Quality Forecasting, partOf, Seasonal Outlook Preparation>
+<Atmospheric Data Collection, connectedTo, Severe Weather Warning>
+<Atmospheric Data Collection, partOf, Seasonal Outlook Preparation>
+<Humidity Sensing, connectedTo, Nowcasting>
+<Humidity Sensing, partOf, Seasonal Outlook Preparation>
+<Marine Weather Forecast, connectedTo, Weather Forecasting>
+<Mesoscale Meteorology, connectedTo, Upper Air Chart Analysis>
+<Mesoscale Meteorology, connectedTo, Wind Speed and Direction>
+<Nowcasting, connectedTo, Agricultural Weather Advisory>
+<Nowcasting, connectedTo, Air Quality Forecasting>
+<Nowcasting, connectedTo, Snowfall Measurement>
+<Nowcasting, connectedTo, Weather Forecasting>
+<Radar Imaging, connectedTo, Snowfall Measurement>
+<Radar Imaging, partOf, Pollution Dispersion Modeling>
+<Severe Weather Warning, connectedTo, Humidity Sensing>
+<Severe Weather Warning, partOf, Seasonal Outlook Preparation>
+<Snowfall Measurement, connectedTo, Agricultural Weather Advisory>
+<Snowfall Measurement, connectedTo, Marine Weather Forecast>
+<Snowfall Measurement, connectedTo, Tropical Cyclone Analysis>
+<Snowfall Measurement, connectedTo, Weather Forecasting>
+<Upper Air Chart Analysis, connectedTo, Radar Imaging>
+<Upper Air Chart Analysis, partOf, Pollution Dispersion Modeling>
+<Weather Forecasting, connectedTo, Agricultural Weather Advisory>
+<Weather Forecasting, connectedTo, Mesoscale Meteorology>
+<Weather Forecasting, connectedTo, Tropical Cyclone Analysis>
+<Wind Speed and Direction, connectedTo, Tropical Cyclone Analysis>
+<start, connectedTo, Nowcasting>
+<start, connectedTo, Tropical Cyclone Analysis>
+<start, connectedTo, Weather Forecasting>
diff --git a/train/mermaid/hard/mermaid_325.mmd b/train/mermaid/hard/mermaid_325.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a7054cea519af3f1672f13c97d71813b0c1d03cd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_325.mmd
@@ -0,0 +1,88 @@
+graph TD
+    N0([start])
+    N1(Flood Prediction)
+    N2[/Fire Weather Forecasting/]
+    N3{Synoptic Chart Analysis}
+    N4[/Atmospheric Sounding/]
+    N5[[Radar Imaging]]
+    N6(Marine Weather Forecast)
+    N7[Weather Forecasting]
+    N8[Climate Data Archiving]
+    N9[Severe Weather Warning]
+    N10[(Precipitation Measurement)]
+    N11[[Meteorological Station Maintenance]]
+    N12(Meteorological Instrument Calibration)
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Climate Change Impact Study
+        nest0_0([Pollution Dispersion Modeling])
+        nest0_1[[Tropical Cyclone Analysis]]
+    end
+    subgraph Satellite Meteorology
+        nest1_0[(Hurricane Trajectory Modeling)]
+        nest1_1{Temperature Monitoring}
+    end
+    N0 -.-> |no| N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    nest0_0 --> nest0_1
+    N2 -.-> nest0_0
+    nest0_1 --> N3
+    nest1_0 -.-> nest1_1
+    N5 -.-> nest1_0
+    nest1_1 -.-> N2
+    N5 --> S0
+    S0 --> |yes| N8
+    S0 --> N9
+    N6 -.-> S1
+    S1 -.-> N8
+    S1 -.-> N12
+    N2 -.-> M1
+    N0 --> M1
+    N1 -.-> M1
+    M1 -.-> N4
+    style S0 fill:#E3F2FD,stroke:#64B5F6
+    style S1 fill:#C5CAE9,stroke:#3F51B5
+    style M1 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_326.mmd b/train/mermaid/hard/mermaid_326.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..47b591bb76486ff69d58795869a2093c1cf94eb3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_326.mmd
@@ -0,0 +1,118 @@
+graph BT
+    N0([start])
+    N1[Weather Forecasting]
+    N2[/Agricultural Weather Advisory/]
+    N3[(Lightning Detection)]
+    N4(Pollution Dispersion Modeling)
+    N5(Ocean_Atmosphere Interaction Study)
+    N6[Synoptic Chart Analysis]
+    N7[/Temperature Monitoring/]
+    N8{Humidity Sensing}
+    N9{Climate Data Archiving}
+    N10[Numerical Weather Prediction]
+    N11(Atmospheric Sounding)
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Meteorological Instrument Calibration
+        nest0_0[/Tornado Watch or Warning/]
+        nest0_1[Atmospheric Data Collection]
+    end
+    subgraph Fire Weather Forecasting
+        nest1_0[[Snowfall Measurement]]
+        nest1_1[Arctic Weather Research]
+        nest1_2{Upper Air Chart Analysis}
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    N1 --> nest0_0
+    nest0_1 --> |classifies| N1
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N4 --> nest1_0
+    nest1_2 --> N4
+    N8 -.-> S0
+    S0 --> N10
+    S0 --> N11
+    N6 --> S1
+    S1 --> N11
+    S1 -.-> N8
+    N8 --> S2
+    S2 -.-> N11
+    S2 --> N10
+    N2 --> M0
+    N3 -.-> M0
+    N8 --> M0
+    M0 -.-> N10
+    N0 --> M2
+    N1 --> M2
+    M2 -.-> N3
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#B2EBF2,stroke:#00BCD4
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#F3E5F5,stroke:#AB47BC
+    style N9 fill:#F3E5F5,stroke:#AB47BC
+    style N10 fill:#F3E5F5,stroke:#AB47BC
+    style N11 fill:#F3E5F5,stroke:#AB47BC
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style S1 fill:#F3E5F5,stroke:#AB47BC
+    style S2 fill:#B2EBF2,stroke:#00BCD4
+    style M0 fill:#EBEBEB,stroke:#E0E0E0
+    style M2 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_0 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest1_0 fill:#EBEBEB,stroke:#E0E0E0
+    style nest1_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest1_2 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#AB47BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_326.txt b/train/mermaid/hard/mermaid_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e52d545bca16a3bc3ca014e9430ac0717b3b59b5
--- /dev/null
+++ b/train/mermaid/hard/mermaid_326.txt
@@ -0,0 +1,31 @@
+<Agricultural Weather Advisory, connectedTo, Lightning Detection>
+<Agricultural Weather Advisory, connectedTo, Numerical Weather Prediction>
+<Arctic Weather Research, connectedTo, Upper Air Chart Analysis>
+<Arctic Weather Research, partOf, Fire Weather Forecasting>
+<Atmospheric Data Collection, classifies, Weather Forecasting>
+<Atmospheric Data Collection, partOf, Meteorological Instrument Calibration>
+<Climate Data Archiving, connectedTo, Numerical Weather Prediction>
+<Humidity Sensing, connectedTo, Atmospheric Sounding>
+<Humidity Sensing, connectedTo, Climate Data Archiving>
+<Humidity Sensing, connectedTo, Numerical Weather Prediction>
+<Lightning Detection, connectedTo, Numerical Weather Prediction>
+<Lightning Detection, connectedTo, Pollution Dispersion Modeling>
+<Numerical Weather Prediction, connectedTo, Atmospheric Sounding>
+<Ocean_Atmosphere Interaction Study, connectedTo, Synoptic Chart Analysis>
+<Pollution Dispersion Modeling, connectedTo, Ocean_Atmosphere Interaction Study>
+<Pollution Dispersion Modeling, connectedTo, Snowfall Measurement>
+<Snowfall Measurement, connectedTo, Arctic Weather Research>
+<Snowfall Measurement, partOf, Fire Weather Forecasting>
+<Synoptic Chart Analysis, connectedTo, Atmospheric Sounding>
+<Synoptic Chart Analysis, connectedTo, Humidity Sensing>
+<Synoptic Chart Analysis, connectedTo, Temperature Monitoring>
+<Temperature Monitoring, connectedTo, Humidity Sensing>
+<Tornado Watch or Warning, connectedTo, Atmospheric Data Collection>
+<Tornado Watch or Warning, partOf, Meteorological Instrument Calibration>
+<Upper Air Chart Analysis, connectedTo, Pollution Dispersion Modeling>
+<Upper Air Chart Analysis, partOf, Fire Weather Forecasting>
+<Weather Forecasting, connectedTo, Agricultural Weather Advisory>
+<Weather Forecasting, connectedTo, Lightning Detection>
+<Weather Forecasting, connectedTo, Tornado Watch or Warning>
+<start, connectedTo, Lightning Detection>
+<start, connectedTo, Weather Forecasting>
diff --git a/train/mermaid/hard/mermaid_327.png b/train/mermaid/hard/mermaid_327.png
new file mode 100644
index 0000000000000000000000000000000000000000..d707b132cda75a2df3f99e273670596f04aae86f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_327.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed74ef70c31768f968cd4f2b07e7032ebc96e9c804864af8c7db519cd53f210f
+size 618609
diff --git a/train/mermaid/hard/mermaid_328.mmd b/train/mermaid/hard/mermaid_328.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ba28fe83866fa0d3356deb885d85abc436b177f1
--- /dev/null
+++ b/train/mermaid/hard/mermaid_328.mmd
@@ -0,0 +1,128 @@
+graph LR
+    N0([start])
+    N1[/Atmospheric Sounding/]
+    N2(Snowfall Measurement)
+    N3(Flood Prediction)
+    N4(Synoptic Chart Analysis)
+    N5[(Climate Change Impact Study)]
+    N6(Wind Speed and Direction)
+    N7([Public Weather Briefing])
+    N8[[Cloud Observation]]
+    N9([Lightning Detection])
+    N10[[Meteorological Instrument Calibration]]
+    N11{Pollution Dispersion Modeling}
+    N12[Aviation Weather Briefing]
+    N13[[Fire Weather Forecasting]]
+    N14[/Precipitation Measurement/]
+    N15([Climate Data Archiving])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Satellite Meteorology
+        nest0_0(Meteorological Station Maintenance)
+        nest0_1[Weather Forecasting]
+    end
+    subgraph Marine Weather Forecast
+        nest1_0([Arctic Weather Research])
+        nest1_1(Climate Modeling)
+        nest1_2{Severe Weather Warning}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> |alerts| N14
+    N14 --> N15
+    nest0_0 -.-> nest0_1
+    N4 -.-> nest0_0
+    nest0_1 --> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N9 -.-> nest1_0
+    nest1_2 --> N2
+    N3 -.-> S0
+    S0 --> N5
+    S0 --> N9
+    S0 -.-> N11
+    N6 -.-> S1
+    S1 -.-> N12
+    S1 -.-> N9
+    N8 -.-> M0
+    N2 --> M0
+    M0 --> N10
+    N11 -.-> M1
+    N6 --> M1
+    N0 --> M1
+    M1 -.-> N13
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#F2E6F5,stroke:#CB9BE1
+    style N2 fill:#F2E6F5,stroke:#CB9BE1
+    style N3 fill:#FFF6D9,stroke:#FFCC7A
+    style N4 fill:#FFF6D9,stroke:#FFCC7A
+    style N5 fill:#F2E6F5,stroke:#CB9BE1
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#FFFCE6,stroke:#FFF9AE
+    style N8 fill:#F2E6F5,stroke:#CB9BE1
+    style N9 fill:#FFF6D9,stroke:#FFCC7A
+    style N10 fill:#FFF6D9,stroke:#FFCC7A
+    style N11 fill:#FFF6D9,stroke:#FFCC7A
+    style N12 fill:#FFFCE6,stroke:#FFF9AE
+    style N13 fill:#FFF6D9,stroke:#FFCC7A
+    style N14 fill:#FFFCE6,stroke:#FFF9AE
+    style N15 fill:#F2E6F5,stroke:#CB9BE1
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#FFFCE6,stroke:#FFF9AE
+    style M0 fill:#F2E6F5,stroke:#CB9BE1
+    style M1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest0_0 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest1_0 fill:#F2E6F5,stroke:#CB9BE1
+    style nest1_1 fill:#F2E6F5,stroke:#CB9BE1
+    style nest1_2 fill:#F2E6F5,stroke:#CB9BE1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#CB9BE1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_33.png b/train/mermaid/hard/mermaid_33.png
new file mode 100644
index 0000000000000000000000000000000000000000..95e99bf34c9482076ceba701341d189cf5d9cf36
--- /dev/null
+++ b/train/mermaid/hard/mermaid_33.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67268cd38d91859d8ea94d5dd9affedea00940420b32e0c9154a4e20560c18f4
+size 355425
diff --git a/train/mermaid/hard/mermaid_332.png b/train/mermaid/hard/mermaid_332.png
new file mode 100644
index 0000000000000000000000000000000000000000..861351238ad43001a98ab7841d61a7cd7125b9f3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_332.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:70e7190db1047ee2899216733ae352e1280a441ac01e57eb3c00c5ffbd7034e5
+size 181341
diff --git a/train/mermaid/hard/mermaid_336.mmd b/train/mermaid/hard/mermaid_336.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d3886510ba9e8cfaab83e73164d3b28d66d7a475
--- /dev/null
+++ b/train/mermaid/hard/mermaid_336.mmd
@@ -0,0 +1,100 @@
+graph RL
+    N0([Waste Reduction Planning])
+    N1(Glass Recycling)
+    N2[Waste Sorting]
+    N3(Waste Logistics Optimization)
+    N4([Leachate Treatment])
+    N5[/Waste Characterization Study/]
+    N6[(Industrial Waste Management)]
+    N7([Waste Incineration])
+    N8{Material Recovery Facility Operation}
+    N9(Organics Collection)
+    N10[/Hazardous Waste Disposal/]
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Landfill Gas Collection
+        nest0_0[Public Education on Waste]
+        nest0_1([Composting])
+    end
+    subgraph Container Management
+        nest1_0(Waste Collection)
+        nest1_1[[Waste Audit]]
+        nest1_2{Zero Waste Initiatives}
+    end
+    N0 -.-> N1
+    N1 --> |processes| N2
+    N2 --> |manages| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    nest0_0 --> |reduces| nest0_1
+    N9 --> nest0_0
+    nest0_1 --> N9
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N7 --> nest1_0
+    nest1_2 --> N10
+    N2 --> S1
+    S1 --> N8
+    S1 --> N4
+    N6 --> S2
+    S2 --> N8
+    S2 -.-> |licenses| N10
+    N2 -.-> M0
+    N6 --> M0
+    N1 -.-> M0
+    N4 --> M0
+    M0 -.-> N8
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#C8EDFF,stroke:#82DAFF
+    style N2 fill:#DACBE3,stroke:#A188D0
+    style N3 fill:#D6D9F0,stroke:#9FA9E1
+    style N4 fill:#DACBE3,stroke:#A188D0
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#D6D9F0,stroke:#9FA9E1
+    style N8 fill:#D6D9F0,stroke:#9FA9E1
+    style N9 fill:#D6D9F0,stroke:#9FA9E1
+    style N10 fill:#DACBE3,stroke:#A188D0
+    style S1 fill:#D6D9F0,stroke:#9FA9E1
+    style S2 fill:#DACBE3,stroke:#A188D0
+    style M0 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_0 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_1 fill:#C8EDFF,stroke:#82DAFF
+    style nest1_0 fill:#C8EDFF,stroke:#82DAFF
+    style nest1_1 fill:#DACBE3,stroke:#A188D0
+    style nest1_2 fill:#C8EDFF,stroke:#82DAFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#A188D0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_338.txt b/train/mermaid/hard/mermaid_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..49b0585f89d3c30751afdc6b650330e5f1f6312d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_338.txt
@@ -0,0 +1,34 @@
+<Agricultural Water Use Efficiency, connectedTo, Smart Water Networks>
+<Agricultural Water Use Efficiency, partOf, Reservoir Operation>
+<Climate Change Adaptation for Water, connectedTo, Water Loss Detection>
+<Climate Change Adaptation for Water, connectedTo, Watershed Management>
+<Dam Management, connectedTo, Wastewater Collection>
+<Dam Management, connectedTo, Water Scarcity Mitigation>
+<Ecosystem Protection, connectedTo, Water Loss Detection>
+<Flood Control, connectedTo, Agricultural Water Use Efficiency>
+<Flood Control, connectedTo, Climate Change Adaptation for Water>
+<Industrial Water Use Optimization, connectedTo, Piping Network Repair>
+<Industrial Water Use Optimization, partOf, Wastewater Treatment>
+<Piping Network Repair, connectedTo, Water Resource Planning>
+<Piping Network Repair, partOf, Wastewater Treatment>
+<Smart Water Networks, partOf, Reservoir Operation>
+<Smart Water Networks, plans, Water Rights Management>
+<Transboundary Water Management, connectedTo, Ecosystem Protection>
+<Transboundary Water Management, connectedTo, Industrial Water Use Optimization>
+<Transboundary Water Management, filters, Dam Management>
+<Wastewater Collection, connectedTo, Flood Control>
+<Wastewater Collection, connectedTo, Water Meter Reading>
+<Water Distribution, connectedTo, Dam Management>
+<Water Distribution, connectedTo, Transboundary Water Management>
+<Water Loss Detection, connectedTo, Flood Control>
+<Water Loss Detection, connectedTo, Wastewater Collection>
+<Water Loss Detection, designs, Dam Management>
+<Water Loss Detection, maintains, Climate Change Adaptation for Water>
+<Water Meter Reading, connectedTo, Agricultural Water Use Efficiency>
+<Water Meter Reading, connectedTo, Smart Water Networks>
+<Water Meter Reading, partOf, Reservoir Operation>
+<Water Resource Planning, connectedTo, Wastewater Collection>
+<Water Resource Planning, partOf, Wastewater Treatment>
+<Water Rights Management, connectedTo, Flood Control>
+<Water Rights Management, partOf, Reservoir Operation>
+<Water Scarcity Mitigation, connectedTo, Wastewater Collection>
diff --git a/train/mermaid/hard/mermaid_342.mmd b/train/mermaid/hard/mermaid_342.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e0cd86f6ccd199efe45eb7d8309ed6019bbe2220
--- /dev/null
+++ b/train/mermaid/hard/mermaid_342.mmd
@@ -0,0 +1,127 @@
+graph RL
+    N0([start])
+    N1[Water Source Identification]
+    N2([Water Treatment])
+    N3([Reservoir Operation])
+    N4{Water Infrastructure Maintenance}
+    N5([Watershed Management])
+    N6[Dam Management]
+    N7([Groundwater Management])
+    N8(Climate Change Adaptation for Water)
+    N9(Desalination)
+    N10[Water Scarcity Mitigation]
+    N11[[Irrigation Management]]
+    N12[(Hydroelectric Power Generation)]
+    N13[[Water Meter Reading]]
+    N14[(Water Resource Planning)]
+    N15(Water Rights Management)
+    N16(Flood Control)
+    N17[[Stormwater Management]]
+    N18(Transboundary Water Management)
+    N19{Smart Water Networks}
+    N20([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Water Conservation Planning
+        nest0_0(Hydrological Modeling)
+        nest0_1[/Drought Management/]
+    end
+    subgraph Water Quality Monitoring
+        nest1_0[(Drinking Water Standards Compliance)]
+        nest1_1(Wastewater Collection)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> |yes| N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    N17 -.-> N18
+    N18 -.-> |yes| N19
+    N19 -.-> N20
+    nest0_0 -.-> nest0_1
+    N2 --> nest0_0
+    nest0_1 -.-> N5
+    nest1_0 -.-> nest1_1
+    N3 --> nest1_0
+    nest1_1 --> N8
+    N3 -.-> S0
+    S0 --> N12
+    S0 -.-> N10
+    S0 -.-> |no| N7
+    N2 --> S1
+    S1 --> N16
+    S1 --> |yes| N7
+    N5 --> S2
+    S2 --> N19
+    S2 --> N9
+    S2 --> |no| N16
+    N1 --> M0
+    N0 --> |yes| M0
+    M0 -.-> N3
+    N14 -.-> M1
+    N10 -.-> M1
+    M1 --> N19
+    style S0 fill:#F9FBE7,stroke:#C0CA33
+    style S1 fill:#C9EFEC,stroke:#6FE1D5
+    style S2 fill:#EFE6FF,stroke:#C2B2F0
+    style M0 fill:#F9FBE7,stroke:#C0CA33
+    style M1 fill:#C9EFEC,stroke:#6FE1D5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_342.png b/train/mermaid/hard/mermaid_342.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b16824dbfb320740d98a5a4cebe18678d69ef45
--- /dev/null
+++ b/train/mermaid/hard/mermaid_342.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:04e4daf813c9dcc14b4a1c64a046bc43d55ac40529425cd4fe741127f2d656ad
+size 185912
diff --git a/train/mermaid/hard/mermaid_344.mmd b/train/mermaid/hard/mermaid_344.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..abfc18f36efe7b25749f046ac876c58f4146359a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_344.mmd
@@ -0,0 +1,130 @@
+graph LR
+    N0([Desalination])
+    N1[/Greywater Recycling/]
+    N2[(Water Loss Detection)]
+    N3{Transboundary Water Management}
+    N4([Water Source Identification])
+    N5[(Drought Management)]
+    N6[Flood Control]
+    N7(Industrial Water Use Optimization)
+    N8[Public Awareness Campaigns]
+    N9[Water Conservation Planning]
+    N10{Agricultural Water Use Efficiency}
+    N11[Climate Change Adaptation for Water]
+    N12[/Rainwater Harvesting/]
+    N13(Water Meter Reading)
+    N14[/Aquifer Recharge/]
+    N15([Hydrological Modeling])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Water Infrastructure Maintenance
+        nest0_0[Dam Management]
+        nest0_1{Wastewater Collection}
+        nest0_2([Smart Water Networks])
+    end
+    subgraph Drinking Water Standards Compliance
+        nest1_0(Wastewater Treatment)
+        nest1_1(Water Resource Planning)
+        nest1_2{Stormwater Management}
+        nest1_3(Water Quality Monitoring)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N9 --> nest0_0
+    nest0_2 --> N1
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N7 -.-> nest1_0
+    nest1_3 --> N10
+    N10 -.-> S0
+    S0 -.-> N14
+    S0 --> N13
+    S0 --> N15
+    S0 -.-> N12
+    N5 --> S1
+    S1 --> |models| N14
+    S1 --> N13
+    N6 --> M0
+    N1 -.-> M0
+    N10 -.-> M0
+    M0 -.-> N15
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#C5CAE9,stroke:#3F51B5
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#F1F8E9,stroke:#81C784
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#F1F8E9,stroke:#81C784
+    style N7 fill:#C5CAE9,stroke:#3F51B5
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#E6EE9C,stroke:#CDDC39
+    style N10 fill:#F1F8E9,stroke:#81C784
+    style N11 fill:#F1F8E9,stroke:#81C784
+    style N12 fill:#F1F8E9,stroke:#81C784
+    style N13 fill:#F1F8E9,stroke:#81C784
+    style N14 fill:#C5CAE9,stroke:#3F51B5
+    style N15 fill:#C5CAE9,stroke:#3F51B5
+    style S0 fill:#C5CAE9,stroke:#3F51B5
+    style S1 fill:#C5CAE9,stroke:#3F51B5
+    style M0 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_0 fill:#E6EE9C,stroke:#CDDC39
+    style nest0_1 fill:#E6EE9C,stroke:#CDDC39
+    style nest0_2 fill:#C5CAE9,stroke:#3F51B5
+    style nest1_0 fill:#F1F8E9,stroke:#81C784
+    style nest1_1 fill:#F1F8E9,stroke:#81C784
+    style nest1_2 fill:#E6EE9C,stroke:#CDDC39
+    style nest1_3 fill:#E6EE9C,stroke:#CDDC39
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#81C784,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_344.png b/train/mermaid/hard/mermaid_344.png
new file mode 100644
index 0000000000000000000000000000000000000000..d6013092b8ac46361580575d41fad5458d9a6d46
--- /dev/null
+++ b/train/mermaid/hard/mermaid_344.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:214d5159b03c6fcc89412fce7df1c436c367cae67df6ae051d5dc020d5dd9b25
+size 199102
diff --git a/train/mermaid/hard/mermaid_346.mmd b/train/mermaid/hard/mermaid_346.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f29c2911b2750b65e704c0921e07106d7e2b6d7c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_346.mmd
@@ -0,0 +1,122 @@
+graph RL
+    N0([End_of_Life Product Management])
+    N1[/Material Purity Testing/]
+    N2[Paper Recycling]
+    N3[/Closed_Loop Material Flow/]
+    N4[Construction Waste Recycling]
+    N5[Hazardous Material Recovery]
+    N6(Recycling Infrastructure Development)
+    N7[/Cleaning and Processing/]
+    N8([Deposit_Return Schemes])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Recycling Facility Optimization
+        nest0_0(Collection Point Management)
+        nest0_1[Tyre Recycling]
+        nest0_2[/Composting Organic Waste/]
+        nest0_3[Circular Economy Implementation]
+    end
+    subgraph Industrial Recycling Programs
+        nest1_0(Contamination Reduction)
+        nest1_1{Advanced Sorting Technologies}
+        nest1_2[Mechanical Recycling]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |tracks| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N7 --> nest0_0
+    nest0_3 --> N3
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N5 -.-> |designs| nest1_0
+    nest1_2 -.-> N8
+    N0 --> S0
+    S0 -.-> N8
+    S0 --> N5
+    S0 -.-> N4
+    S0 -.-> N7
+    N5 --> S1
+    S1 --> N7
+    S1 --> N8
+    N0 -.-> M0
+    N1 -.-> M0
+    N2 --> M0
+    M0 -.-> N4
+    N0 --> |melts| M1
+    N1 -.-> M1
+    M1 --> N3
+    N2 --> M2
+    N0 -.-> M2
+    N1 --> M2
+    N4 -.-> M2
+    M2 -.-> N6
+    style N0 fill:#F1F8FF,stroke:#42A5F5
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#F1F8FF,stroke:#42A5F5
+    style N3 fill:#F1F8FF,stroke:#42A5F5
+    style N4 fill:#F1F8FF,stroke:#42A5F5
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    style N8 fill:#F0F4C3,stroke:#AED581
+    style S0 fill:#F1F8FF,stroke:#42A5F5
+    style S1 fill:#F0F4C3,stroke:#AED581
+    style M0 fill:#F0F4C3,stroke:#AED581
+    style M1 fill:#FFFDE0,stroke:#FFF8A6
+    style M2 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_0 fill:#F0F4C3,stroke:#AED581
+    style nest0_1 fill:#F0F4C3,stroke:#AED581
+    style nest0_2 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_3 fill:#F0F4C3,stroke:#AED581
+    style nest1_0 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_1 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_2 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_346.png b/train/mermaid/hard/mermaid_346.png
new file mode 100644
index 0000000000000000000000000000000000000000..11b270d0d3049310909894fc507cd68b0c93f56c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_346.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a8ac1ad65aed242e8201f16d71e5e4f883472d712bb702a56764d9d6c4dd690e
+size 253690
diff --git a/train/mermaid/hard/mermaid_347.txt b/train/mermaid/hard/mermaid_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..296a7d53033fc69e0440d7747806b96a924fb672
--- /dev/null
+++ b/train/mermaid/hard/mermaid_347.txt
@@ -0,0 +1,44 @@
+<Circular Economy Implementation, connectedTo, Waste Audit for Recycling>
+<Circular Economy Implementation, partOf, Plastic Recycling>
+<Cleaning and Processing, connectedTo, Circular Economy Implementation>
+<Cleaning and Processing, partOf, Plastic Recycling>
+<Closed_Loop Material Flow, connectedTo, end>
+<Closed_Loop Material Flow, partOf, Battery Recycling>
+<Collection Point Management, connectedTo, Closed_Loop Material Flow>
+<Collection Point Management, partOf, Battery Recycling>
+<Commercial Recycling Solutions, connectedTo, Paper Recycling>
+<Commercial Recycling Solutions, partOf, Battery Recycling>
+<Composting Organic Waste, connectedTo, Electronic Waste Recycling>
+<Construction Waste Recycling, connectedTo, Waste Stream Analysis>
+<Deposit_Return Schemes, connectedTo, Recycling Education>
+<Electronic Waste Recycling, connectedTo, Recycling Policy Advocacy>
+<End_of_Life Product Management, connectedTo, Material Purity Testing>
+<Hazardous Material Recovery, connectedTo, New Product Manufacturing>
+<Hazardous Material Recovery, connectedTo, Recycling Education>
+<Life Cycle Assessment, connectedTo, Cleaning and Processing>
+<Life Cycle Assessment, partOf, Plastic Recycling>
+<Material Purity Testing, connectedTo, Recycling Data Tracking>
+<New Product Manufacturing, connectedTo, Construction Waste Recycling>
+<New Product Manufacturing, connectedTo, Deposit_Return Schemes>
+<New Product Manufacturing, connectedTo, Material Purity Testing>
+<New Product Manufacturing, connectedTo, Recycling Education>
+<New Product Manufacturing, connectedTo, Tyre Recycling>
+<New Product Manufacturing, connectedTo, end>
+<Paper Recycling, connectedTo, Collection Point Management>
+<Paper Recycling, partOf, Battery Recycling>
+<Product Design for Recyclability, connectedTo, Commercial Recycling Solutions>
+<Product Design for Recyclability, connectedTo, end>
+<Recycling Data Tracking, forms, Product Design for Recyclability>
+<Recycling Education, connectedTo, End_of_Life Product Management>
+<Recycling Facility Optimization, connectedTo, Tyre Recycling>
+<Recycling Policy Advocacy, connectedTo, Recycling Education>
+<Recycling Policy Advocacy, processes, Hazardous Material Recovery>
+<Tyre Recycling, connectedTo, Deposit_Return Schemes>
+<Tyre Recycling, connectedTo, End_of_Life Product Management>
+<Tyre Recycling, connectedTo, Material Purity Testing>
+<Waste Audit for Recycling, connectedTo, Recycling Facility Optimization>
+<Waste Audit for Recycling, partOf, Plastic Recycling>
+<Waste Stream Analysis, connectedTo, Life Cycle Assessment>
+<Waste Stream Analysis, connectedTo, Material Purity Testing>
+<Waste Stream Analysis, connectedTo, Recycling Facility Optimization>
+<start, connectedTo, Composting Organic Waste>
diff --git a/train/mermaid/hard/mermaid_348.mmd b/train/mermaid/hard/mermaid_348.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5e25f29ec160ae4a9bd22d5061c7bf2e14d770ea
--- /dev/null
+++ b/train/mermaid/hard/mermaid_348.mmd
@@ -0,0 +1,111 @@
+graph BT
+    N0([start])
+    N1{Sorting and Segregation}
+    N2[/Circular Economy Implementation/]
+    N3[(Life Cycle Assessment)]
+    N4[(Textile Recycling)]
+    N5(Tyre Recycling)
+    N6([Material Purity Testing])
+    N7[New Product Manufacturing]
+    N8(Electronic Waste Recycling)
+    N9{Mechanical Recycling}
+    N10{Hazardous Material Recovery}
+    N11[/Recycling Facility Optimization/]
+    N12{Contamination Reduction}
+    N13[Recycling Policy Advocacy]
+    N14([end])
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Paper Recycling
+        nest0_0{Reprocessing into Raw Material}
+        nest0_1(Waste Stream Analysis)
+        nest0_2[/Public Recycling Programs/]
+    end
+    subgraph Glass Recycling
+        nest1_0[Composting Organic Waste]
+        nest1_1([Cleaning and Processing])
+        nest1_2[Chemical Recycling]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N1 --> nest0_0
+    nest0_2 --> |no| N3
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N8 --> nest1_0
+    nest1_2 --> N11
+    N4 -.-> S1
+    S1 -.-> N12
+    S1 --> N10
+    S1 -.-> N11
+    S1 --> N6
+    N11 -.-> S2
+    S2 --> N14
+    S2 --> N13
+    N5 -.-> M0
+    N0 -.-> |no| M0
+    N6 --> M0
+    N4 -.-> M0
+    M0 -.-> N9
+    N5 --> M1
+    N6 -.-> M1
+    M1 -.-> N8
+    style S1 fill:#F8FDD3,stroke:#D3EB9F
+    style S2 fill:#FDFCEB,stroke:#EAEFA5
+    style M0 fill:#FDFCEB,stroke:#EAEFA5
+    style M1 fill:#FDFCEB,stroke:#EAEFA5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_351.png b/train/mermaid/hard/mermaid_351.png
new file mode 100644
index 0000000000000000000000000000000000000000..1bbefd5547cd4fc02ce3dd56802af9009579c01c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_351.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0a4b2e6692877dc29c365e760937d5703b70fa17d932be6e77215a0b2abb4b18
+size 170282
diff --git a/train/mermaid/hard/mermaid_355.mmd b/train/mermaid/hard/mermaid_355.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..42ef49224cccb4eb6cdf879ce1990c69e03a8ba5
--- /dev/null
+++ b/train/mermaid/hard/mermaid_355.mmd
@@ -0,0 +1,132 @@
+graph BT
+    N0([Sustainable Forest Management])
+    N1[[Forest Fire Management]]
+    N2[Forest Road Construction]
+    N3[/Indigenous Forestry Practices/]
+    N4([Recreation Management])
+    N5[(Drone Surveying for Forests)]
+    N6[(Non_Timber Forest Product Collection)]
+    N7[Forest Research]
+    N8{Urban Forestry Management}
+    N9(Forestry Education)
+    N10[[Forestry Policy Development]]
+    N11[(Soil Conservation)]
+    N12[(Forestry Equipment Maintenance)]
+    N13([Forest Carbon Accounting])
+    N14([Sawmill Processing])
+    N15[Watershed Protection]
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Biodiversity Conservation in Forests
+        nest0_0[Agroforestry Systems]
+        nest0_1[/Silviculture/]
+        nest0_2[(Biomass Production from Forests)]
+    end
+    subgraph Tree Nursery Management
+        nest1_0[(Afforestation)]
+        nest1_1[Pest and Disease Control]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> N16
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N2 --> nest0_0
+    nest0_2 --> N4
+    nest1_0 -.-> nest1_1
+    N14 -.-> nest1_0
+    nest1_1 --> N9
+    N1 --> S0
+    S0 --> N12
+    S0 --> N15
+    N3 --> S1
+    S1 --> N6
+    S1 --> N12
+    S1 -.-> N7
+    N12 --> M0
+    N2 -.-> M0
+    N0 -.-> M0
+    M0 --> N15
+    N5 --> M1
+    N4 -.-> M1
+    M1 -.-> N9
+    style N0 fill:#E1BEE7,stroke:#9C27B0
+    style N1 fill:#E8F0FF,stroke:#A2D0FF
+    style N2 fill:#E1BEE7,stroke:#9C27B0
+    style N3 fill:#EBEBEB,stroke:#E0E0E0
+    style N4 fill:#EBEBEB,stroke:#E0E0E0
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#EBEBEB,stroke:#E0E0E0
+    style N8 fill:#E8F0FF,stroke:#A2D0FF
+    style N9 fill:#E8F0FF,stroke:#A2D0FF
+    style N10 fill:#E1BEE7,stroke:#9C27B0
+    style N11 fill:#EBEBEB,stroke:#E0E0E0
+    style N12 fill:#E8F0FF,stroke:#A2D0FF
+    style N13 fill:#EBEBEB,stroke:#E0E0E0
+    style N14 fill:#EBEBEB,stroke:#E0E0E0
+    style N15 fill:#E8F0FF,stroke:#A2D0FF
+    style N16 fill:#E8F0FF,stroke:#A2D0FF
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style S1 fill:#E1BEE7,stroke:#9C27B0
+    style M0 fill:#EBEBEB,stroke:#E0E0E0
+    style M1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_0 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_2 fill:#E1BEE7,stroke:#9C27B0
+    style nest1_0 fill:#E1BEE7,stroke:#9C27B0
+    style nest1_1 fill:#E8F0FF,stroke:#A2D0FF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9C27B0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_356.png b/train/mermaid/hard/mermaid_356.png
new file mode 100644
index 0000000000000000000000000000000000000000..089e45ed64e45e141eabcc0b428585ddf7caaa06
--- /dev/null
+++ b/train/mermaid/hard/mermaid_356.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:992b1ccf5550248ad5fdac0b1bf7470d180a8924a4e9ab6c65792c6cc4057aab
+size 504513
diff --git a/train/mermaid/hard/mermaid_357.txt b/train/mermaid/hard/mermaid_357.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d74787572dbef9f67b01a8b8f7d867fb0e43e55
--- /dev/null
+++ b/train/mermaid/hard/mermaid_357.txt
@@ -0,0 +1,27 @@
+<Biodiversity Conservation in Forests, connectedTo, Tree Nursery Management>
+<Biomass Production from Forests, connectedTo, Sawmill Processing>
+<Biomass Production from Forests, connectedTo, Timber Harvesting>
+<Carbon Sequestration Monitoring, connectedTo, Biodiversity Conservation in Forests>
+<Carbon Sequestration Monitoring, partOf, Drone Surveying for Forests>
+<Forest Certification, connectedTo, Biomass Production from Forests>
+<Forest Certification, connectedTo, Forest Road Construction>
+<Forest Certification, connectedTo, Reforestation>
+<Forest Certification, connectedTo, Tree Nursery Management>
+<Forest Research, connectedTo, Ecological Restoration>
+<Forest Research, connectedTo, Non_Timber Forest Product Collection>
+<Forest Road Construction, connectedTo, Carbon Sequestration Monitoring>
+<Forest Road Construction, partOf, Drone Surveying for Forests>
+<Non_Timber Forest Product Collection, connectedTo, Wood Product Manufacturing>
+<Non_Timber Forest Product Collection, partOf, Afforestation>
+<Reforestation, predicts, Biodiversity Conservation in Forests>
+<Sawmill Processing, connectedTo, Ecological Restoration>
+<Sawmill Processing, connectedTo, Forest Research>
+<Sawmill Processing, connectedTo, Timber Harvesting>
+<Silviculture, connectedTo, Sawmill Processing>
+<Silviculture, partOf, Afforestation>
+<Timber Harvesting, connectedTo, Forest Research>
+<Tree Nursery Management, connectedTo, Biomass Production from Forests>
+<Wood Product Manufacturing, connectedTo, Silviculture>
+<Wood Product Manufacturing, partOf, Afforestation>
+<start, connectedTo, Forest Certification>
+<start, connectedTo, Timber Harvesting>
diff --git a/train/mermaid/hard/mermaid_36.mmd b/train/mermaid/hard/mermaid_36.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bd4a0cf8105e20cf232bfd7b31569217fe4b5295
--- /dev/null
+++ b/train/mermaid/hard/mermaid_36.mmd
@@ -0,0 +1,158 @@
+graph LR
+    N0([Social Media Integration])
+    N1[Mobile App Interaction]
+    N2([Return Merchandise Authorization])
+    N3(Customer Review)
+    N4(Package Return)
+    N5[Add to Cart]
+    N6(Wishlist Management)
+    N7[Checkout]
+    N8[Payment]
+    N9{Refund Process}
+    N10([Live Chat Support])
+    N11[[Customer Segmentation]]
+    N12{Inventory Update}
+    N13{Cart Abandonment}
+    N14{A or B Testing}
+    N15[(Payment Gateway Reconciliation)]
+    N16{User Account Management}
+    N17([Marketing Campaign Launch])
+    N18[Affiliate Marketing]
+    N19([Search Engine Optimization])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Subscription Service
+        nest0_0[/Product Recommendation/]
+        nest0_1[Gift Card Purchase]
+    end
+    subgraph Up_selling Offer
+        nest1_0(Delivery Tracking)
+        nest1_1{Product Listing}
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    N17 --> N18
+    N18 --> N19
+    nest0_0 --> nest0_1
+    N14 --> nest0_0
+    nest0_1 -.-> N5
+    nest1_0 -.-> nest1_1
+    N8 --> nest1_0
+    nest1_1 -.-> N11
+    N10 -.-> S0
+    S0 -.-> N12
+    S0 -.-> N16
+    S0 --> N19
+    S0 --> N17
+    N9 -.-> S1
+    S1 -.-> N16
+    S1 -.-> N11
+    S1 --> N19
+    S1 -.-> N17
+    N4 --> S2
+    S2 -.-> N8
+    S2 -.-> N10
+    S2 -.-> N13
+    N4 -.-> M0
+    N3 --> M0
+    N6 -.-> M0
+    M0 -.-> N8
+    N13 -.-> M1
+    N12 -.-> M1
+    N4 -.-> M1
+    M1 --> N15
+    style N0 fill:#ECEFF1,stroke:#90A4AE
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#F0F0F0,stroke:#D2D2D2
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 fill:#F8FDD3,stroke:#D3EB9F
+    style N11 fill:#F0F0F0,stroke:#D2D2D2
+    style N12 fill:#ECEFF1,stroke:#90A4AE
+    style N13 fill:#F0F0F0,stroke:#D2D2D2
+    style N14 fill:#F8FDD3,stroke:#D3EB9F
+    style N15 fill:#F0F0F0,stroke:#D2D2D2
+    style N16 fill:#ECEFF1,stroke:#90A4AE
+    style N17 fill:#F8FDD3,stroke:#D3EB9F
+    style N18 fill:#ECEFF1,stroke:#90A4AE
+    style N19 fill:#ECEFF1,stroke:#90A4AE
+    style S0 fill:#ECEFF1,stroke:#90A4AE
+    style S1 fill:#ECEFF1,stroke:#90A4AE
+    style S2 fill:#F8FDD3,stroke:#D3EB9F
+    style M0 fill:#F8FDD3,stroke:#D3EB9F
+    style M1 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_0 fill:#ECEFF1,stroke:#90A4AE
+    style nest0_1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest1_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_1 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_360.png b/train/mermaid/hard/mermaid_360.png
new file mode 100644
index 0000000000000000000000000000000000000000..eb0efb2e091630bd52d996c4c6769e5c7b789ede
--- /dev/null
+++ b/train/mermaid/hard/mermaid_360.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:31f6390977b990c1e3a5cf358922ce699c6369a324cb8ddd64285ed9a1e8b4aa
+size 249457
diff --git a/train/mermaid/hard/mermaid_360.txt b/train/mermaid/hard/mermaid_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..672a98237c44b062b6dcd8ce8920cd35f008602a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_360.txt
@@ -0,0 +1,46 @@
+<Biodiversity Conservation in Forests, connectedTo, Forest Carbon Accounting>
+<Biodiversity Conservation in Forests, partOf, Forest Certification>
+<Carbon Sequestration Monitoring, connectedTo, Forestry Policy Development>
+<Carbon Sequestration Monitoring, connectedTo, Urban Forestry Management>
+<Ecological Restoration, connectedTo, Forest Research>
+<Ecological Restoration, connectedTo, Pest and Disease Control>
+<Ecological Restoration, connectedTo, Reforestation>
+<Ecological Restoration, connectedTo, Wildlife Habitat Management>
+<Forest Carbon Accounting, connectedTo, Soil Conservation>
+<Forest Carbon Accounting, partOf, Forest Certification>
+<Forest Inventory, connectedTo, Forest Land Use Planning>
+<Forest Land Use Planning, connectedTo, Forest Research>
+<Forest Land Use Planning, regulates, Urban Forestry Management>
+<Forest Research, connectedTo, Pest and Disease Control>
+<Forest Research, connectedTo, Silviculture>
+<Forest Research, connectedTo, Tree Nursery Management>
+<Forest Research, connectedTo, Urban Forestry Management>
+<Forest Research, connectedTo, Wood Product Manufacturing>
+<Forest Research, thins, GIS Mapping for Forestry>
+<Forest Road Construction, connectedTo, Logging Operations>
+<Forest Road Construction, partOf, Non_Timber Forest Product Collection>
+<Forestry Equipment Maintenance, partOf, Forest Certification>
+<Forestry Equipment Maintenance, prevents, Biodiversity Conservation in Forests>
+<Forestry Policy Development, connectedTo, Forest Inventory>
+<Forestry Policy Development, connectedTo, Forest Research>
+<Forestry Policy Development, connectedTo, Urban Forestry Management>
+<GIS Mapping for Forestry, connectedTo, Urban Forestry Management>
+<Logging Operations, connectedTo, Sustainable Forest Management>
+<Logging Operations, partOf, Non_Timber Forest Product Collection>
+<Pest and Disease Control, connectedTo, Wood Product Manufacturing>
+<Reforestation, connectedTo, Carbon Sequestration Monitoring>
+<Silviculture, constructs, GIS Mapping for Forestry>
+<Soil Conservation, connectedTo, Ecological Restoration>
+<Soil Conservation, connectedTo, Forestry Equipment Maintenance>
+<Sustainable Forest Management, connectedTo, Pest and Disease Control>
+<Tree Nursery Management, connectedTo, Sustainable Forest Management>
+<Urban Forestry Management, connectedTo, Tree Nursery Management>
+<Wildlife Habitat Management, connectedTo, Forest Road Construction>
+<Wildlife Habitat Management, partOf, Non_Timber Forest Product Collection>
+<Wood Product Manufacturing, connectedTo, Forest Health Monitoring>
+<start, connectedTo, Forest Research>
+<start, connectedTo, GIS Mapping for Forestry>
+<start, connectedTo, Pest and Disease Control>
+<start, connectedTo, Soil Conservation>
+<start, connectedTo, Sustainable Forest Management>
+<start, connectedTo, Urban Forestry Management>
diff --git a/train/mermaid/hard/mermaid_37.png b/train/mermaid/hard/mermaid_37.png
new file mode 100644
index 0000000000000000000000000000000000000000..44025a7987e05b11bc072685d989ef544ac6ce63
--- /dev/null
+++ b/train/mermaid/hard/mermaid_37.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd86e88cdd753067786aa2c4a25903d98ae9410d7516ea792a9fe2071c8768c7
+size 352803
diff --git a/train/mermaid/hard/mermaid_371.png b/train/mermaid/hard/mermaid_371.png
new file mode 100644
index 0000000000000000000000000000000000000000..4ac923d6abbfe63298678878736296126719b599
--- /dev/null
+++ b/train/mermaid/hard/mermaid_371.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b74b32a9ca111a3aa21822a68b67c73284cd3befc9f5dd5354f654e2abee9d97
+size 201135
diff --git a/train/mermaid/hard/mermaid_372.png b/train/mermaid/hard/mermaid_372.png
new file mode 100644
index 0000000000000000000000000000000000000000..95231c3d9ee1b302077b5a5fc5582d9143700508
--- /dev/null
+++ b/train/mermaid/hard/mermaid_372.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7bb802a9a689ad56505f0815992e90188682fd714a4a698dbf988b415a886c1a
+size 193585
diff --git a/train/mermaid/hard/mermaid_378.mmd b/train/mermaid/hard/mermaid_378.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f684775822d37d3498035ecb827947ebbfdf5ec6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_378.mmd
@@ -0,0 +1,120 @@
+graph TD
+    N0([start])
+    N1(Caregiver Training)
+    N2[Physical Therapy]
+    N3([Meal Preparation])
+    N4[Family Communication]
+    N5[/Chronic Disease Management/]
+    N6[Elder Abuse Prevention]
+    N7[[Home Health Aide Services]]
+    N8[/Nutritional Assessment/]
+    N9{Rehabilitation Support}
+    N10(Financial Management Assistance)
+    N11{Social Engagement Activities}
+    N12[[Health Monitoring]]
+    N13([Nursing Care])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Occupational Therapy
+        nest0_0([Companionship])
+        nest0_1{Cognitive Stimulation Activities}
+        nest0_2[Pain Management]
+        nest0_3[[Legal Aid Referrals]]
+    end
+    subgraph Medication Management
+        nest1_0(Transportation Assistance)
+        nest1_1([Fall Prevention])
+        nest1_2[Mobility Support]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    nest0_0 -.-> |assists| nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N8 --> nest0_0
+    nest0_3 -.-> N3
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N12 -.-> nest1_0
+    nest1_2 -.-> N7
+    N8 --> S0
+    S0 -.-> N11
+    S0 --> N10
+    S0 --> N12
+    N6 --> S1
+    S1 -.-> N8
+    S1 -.-> N9
+    S1 -.-> N12
+    N0 -.-> M1
+    N4 --> M1
+    M1 --> N10
+    style N0 fill:#F1F8FF,stroke:#42A5F5
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#F1F8FF,stroke:#42A5F5
+    style N4 fill:#D1C4E9,stroke:#7E57C2
+    style N5 fill:#F1F8FF,stroke:#42A5F5
+    style N6 fill:#F1F8FF,stroke:#42A5F5
+    style N7 fill:#F1F8FF,stroke:#42A5F5
+    style N8 fill:#D1C4E9,stroke:#7E57C2
+    style N9 fill:#D3F7F9,stroke:#80DDEA
+    style N10 fill:#D1C4E9,stroke:#7E57C2
+    style N11 fill:#D1C4E9,stroke:#7E57C2
+    style N12 fill:#D3F7F9,stroke:#80DDEA
+    style N13 fill:#F1F8FF,stroke:#42A5F5
+    style S0 fill:#D1C4E9,stroke:#7E57C2
+    style S1 fill:#F1F8FF,stroke:#42A5F5
+    style M1 fill:#D3F7F9,stroke:#80DDEA
+    style nest0_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_1 fill:#D3F7F9,stroke:#80DDEA
+    style nest0_2 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_3 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_0 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_2 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#42A5F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_379.mmd b/train/mermaid/hard/mermaid_379.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f1a931bf40739aeb8157dfe64900fba3ed457256
--- /dev/null
+++ b/train/mermaid/hard/mermaid_379.mmd
@@ -0,0 +1,124 @@
+graph TD
+    N0([Home Health Aide Services])
+    N1[Personal Care Assistance]
+    N2[Transportation Assistance]
+    N3(Medication Management)
+    N4[Long_Term Care Planning]
+    N5(Occupational Therapy)
+    N6([Caregiver Training])
+    N7{Social Engagement Activities}
+    N8[(Speech Therapy)]
+    N9([Family Communication])
+    N10[Meal Preparation]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Telehealth for Seniors
+        nest0_0(Community Resource Connection)
+        nest0_1{Health Monitoring}
+        nest0_2(Safety Assessments)
+    end
+    subgraph Rehabilitation Support
+        nest1_0[Cognitive Stimulation Activities]
+        nest1_1[(Dementia Care)]
+        nest1_2[[Pain Management]]
+        nest1_3[Care Plan Development]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N6 -.-> nest0_0
+    nest0_2 -.-> N7
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N9 -.-> nest1_0
+    nest1_3 --> N8
+    N3 -.-> S0
+    S0 --> N10
+    S0 --> N6
+    N3 -.-> S1
+    S1 --> N8
+    S1 --> N10
+    N1 --> M0
+    N0 -.-> M0
+    M0 --> N3
+    N3 -.-> M1
+    N4 --> M1
+    N6 --> M1
+    N8 -.-> M1
+    M1 --> N10
+    N0 --> M2
+    N1 -.-> M2
+    M2 --> N3
+    style N0 fill:#C9EFEC,stroke:#6FE1D5
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#C9EFEC,stroke:#6FE1D5
+    style N3 fill:#F3E5F5,stroke:#BA68C8
+    style N4 fill:#F3E5F5,stroke:#BA68C8
+    style N5 fill:#FFEBEE,stroke:#E57373
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#F3E5F5,stroke:#BA68C8
+    style N9 fill:#F3E5F5,stroke:#BA68C8
+    style N10 fill:#FFEBEE,stroke:#E57373
+    style S0 fill:#C9EFEC,stroke:#6FE1D5
+    style S1 fill:#C9EFEC,stroke:#6FE1D5
+    style M0 fill:#C9EFEC,stroke:#6FE1D5
+    style M1 fill:#C9EFEC,stroke:#6FE1D5
+    style M2 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_0 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_1 fill:#FFEBEE,stroke:#E57373
+    style nest0_2 fill:#FFEBEE,stroke:#E57373
+    style nest1_0 fill:#C9EFEC,stroke:#6FE1D5
+    style nest1_1 fill:#F3E5F5,stroke:#BA68C8
+    style nest1_2 fill:#FFEBEE,stroke:#E57373
+    style nest1_3 fill:#FFEBEE,stroke:#E57373
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_381.png b/train/mermaid/hard/mermaid_381.png
new file mode 100644
index 0000000000000000000000000000000000000000..dce4f34e54cb0dc7661b085075f120a48c0163a8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_381.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dbe6e07d1021fd23505d3f4f3e6e13e82634281956c94738c113127c29af7001
+size 481424
diff --git a/train/mermaid/hard/mermaid_381.txt b/train/mermaid/hard/mermaid_381.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d469fd7d2e2a536f784b74dd82c39407afee47b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_381.txt
@@ -0,0 +1,40 @@
+<Care Plan Development, connectedTo, Smart Home Integration for Seniors>
+<Care Plan Development, partOf, Community Resource Connection>
+<Caregiver Training, optimizes, Recreational Activities Planning>
+<Chronic Disease Management, connectedTo, Companionship>
+<Chronic Disease Management, connectedTo, end>
+<Chronic Disease Management, manages, Speech Therapy>
+<Cognitive Stimulation Activities, assists, Personal Care Assistance>
+<Cognitive Stimulation Activities, partOf, Dementia Care>
+<Companionship, connectedTo, Transportation Assistance>
+<Elder Abuse Prevention, connectedTo, Social Engagement Activities>
+<Fall Prevention, connectedTo, Elder Abuse Prevention>
+<Family Communication, connectedTo, Care Plan Development>
+<Family Communication, partOf, Community Resource Connection>
+<Home Health Aide Services, connectedTo, Mobility Support>
+<Hospice Care Coordination, connectedTo, Caregiver Training>
+<Incontinence Care, connectedTo, Caregiver Training>
+<Incontinence Care, connectedTo, Hospice Care Coordination>
+<Incontinence Care, connectedTo, Nutritional Assessment>
+<Incontinence Care, connectedTo, Recreational Activities Planning>
+<Incontinence Care, connectedTo, Transportation Assistance>
+<Meal Preparation, connectedTo, Incontinence Care>
+<Memory Care, connectedTo, Companionship>
+<Mobility Support, connectedTo, Chronic Disease Management>
+<Mobility Support, connectedTo, Fall Prevention>
+<Mobility Support, connectedTo, Incontinence Care>
+<Mobility Support, connectedTo, Recreational Activities Planning>
+<Nutritional Assessment, connectedTo, Chronic Disease Management>
+<Pain Management, connectedTo, Caregiver Training>
+<Pain Management, connectedTo, Home Health Aide Services>
+<Personal Care Assistance, connectedTo, Speech Therapy>
+<Personal Care Assistance, partOf, Dementia Care>
+<Recreational Activities Planning, connectedTo, Nutritional Assessment>
+<Smart Home Integration for Seniors, connectedTo, Social Engagement Activities>
+<Smart Home Integration for Seniors, partOf, Community Resource Connection>
+<Social Engagement Activities, connectedTo, Meal Preparation>
+<Speech Therapy, reports, Memory Care>
+<Transportation Assistance, connectedTo, Cognitive Stimulation Activities>
+<Transportation Assistance, connectedTo, Family Communication>
+<Transportation Assistance, connectedTo, end>
+<start, connectedTo, Pain Management>
diff --git a/train/mermaid/hard/mermaid_386.mmd b/train/mermaid/hard/mermaid_386.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d7966eb6efc19df2e1f4517508cba9629516280e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_386.mmd
@@ -0,0 +1,146 @@
+graph RL
+    N0([Incident Command System])
+    N1[(Policy and Legislation Review)]
+    N2(Community Preparedness)
+    N3([Damage Assessment])
+    N4[Emergency Planning]
+    N5[(Shelter Management)]
+    N6[Geographic Information Systems for Disasters]
+    N7[Recovery Planning]
+    N8(Logistics and Supply Chain)
+    N9([Search and Rescue Operations])
+    N10[(Resilience Building)]
+    N11(Cash Transfer Programs)
+    N12([Reconstruction])
+    N13[(Information Dissemination)]
+    N14[Hazard Mapping]
+    N15([Drone Deployment for Assessment])
+    N16[Early Warning Systems]
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Satellite Imagery Analysis
+        nest0_0[(Vulnerability Analysis)]
+        nest0_1{Public Awareness Campaigns}
+    end
+    subgraph Volunteer Coordination
+        nest1_0[Hazard Identification]
+        nest1_1(Infrastructure Repair)
+        nest1_2[Psychosocial Support]
+    end
+    N0 --> |treats| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |enforces| N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> |identifies| N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> N16
+    N16 -.-> N17
+    nest0_0 -.-> nest0_1
+    N11 --> |mobilizes| nest0_0
+    nest0_1 --> |evacuates| N3
+    nest1_0 --> nest1_1
+    nest1_1 --> |alerts| nest1_2
+    N3 -.-> nest1_0
+    nest1_2 -.-> N9
+    N3 --> S0
+    S0 -.-> N11
+    S0 -.-> N13
+    S0 -.-> N6
+    S0 --> N7
+    N2 --> S1
+    S1 -.-> N16
+    S1 -.-> N9
+    N5 -.-> M0
+    N3 -.-> M0
+    M0 -.-> N12
+    N7 --> M1
+    N9 -.-> M1
+    M1 --> N12
+    N11 --> M2
+    N13 -.-> M2
+    N9 --> M2
+    M2 --> N15
+    style N0 fill:#FAEBF3,stroke:#F7BEE0
+    style N1 fill:#FAEBF3,stroke:#F7BEE0
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#FAEBF3,stroke:#F7BEE0
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#FFF9C4,stroke:#FFEB3B
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#B3E5FC,stroke:#03A9F4
+    style N10 fill:#FAEBF3,stroke:#F7BEE0
+    style N11 fill:#B3E5FC,stroke:#03A9F4
+    style N12 fill:#B3E5FC,stroke:#03A9F4
+    style N13 fill:#FFF9C4,stroke:#FFEB3B
+    style N14 fill:#B3E5FC,stroke:#03A9F4
+    style N15 fill:#B3E5FC,stroke:#03A9F4
+    style N16 fill:#B3E5FC,stroke:#03A9F4
+    style N17 fill:#FFF9C4,stroke:#FFEB3B
+    style S0 fill:#FAEBF3,stroke:#F7BEE0
+    style S1 fill:#FFF9C4,stroke:#FFEB3B
+    style M0 fill:#FAEBF3,stroke:#F7BEE0
+    style M1 fill:#FAEBF3,stroke:#F7BEE0
+    style M2 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_0 fill:#FAEBF3,stroke:#F7BEE0
+    style nest0_1 fill:#FFF9C4,stroke:#FFEB3B
+    style nest1_0 fill:#B3E5FC,stroke:#03A9F4
+    style nest1_1 fill:#FAEBF3,stroke:#F7BEE0
+    style nest1_2 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_388.png b/train/mermaid/hard/mermaid_388.png
new file mode 100644
index 0000000000000000000000000000000000000000..8922aba793b731de531ef02661fe5d3c4b069912
--- /dev/null
+++ b/train/mermaid/hard/mermaid_388.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80cba71db87c23b894a74b6a6f5ea949dfc4c492ad6aa22900efd6e0cec9cef6
+size 299861
diff --git a/train/mermaid/hard/mermaid_391.png b/train/mermaid/hard/mermaid_391.png
new file mode 100644
index 0000000000000000000000000000000000000000..1da6e8bb9b91c086823965a1f1a01cd5c9cd27b7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_391.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fdfd9e48593a97dd1c97eb02c37ee0a1317694b384b9fdcf9e2274fe0c3dad6d
+size 250980
diff --git a/train/mermaid/hard/mermaid_392.mmd b/train/mermaid/hard/mermaid_392.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0fc3499b9bf1f5730fde8869b5cadca975914a17
--- /dev/null
+++ b/train/mermaid/hard/mermaid_392.mmd
@@ -0,0 +1,118 @@
+graph TD
+    N0([Cash Transfer Programs])
+    N1(Shelter Management)
+    N2[Climate Change Adaptation for Disasters]
+    N3(Hazard Identification)
+    N4([Environmental Remediation])
+    N5([Recovery Planning])
+    N6(Resource Mobilization)
+    N7[/Satellite Imagery Analysis/]
+    N8[[Risk Assessment]]
+    N9[(Communication Protocols)]
+    N10(Public Awareness Campaigns)
+    N11[(Information Dissemination)]
+    N12(Capacity Building for Local Communities)
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Mitigation Strategies
+        nest0_0[(Volunteer Coordination)]
+        nest0_1[(Psychosocial Support)]
+        nest0_2(Emergency Planning)
+    end
+    subgraph Hazard Mapping
+        nest1_0(Debris Management)
+        nest1_1([Emergency Drills and Exercises])
+        nest1_2[(Post_Disaster Evaluation)]
+    end
+    N0 --> |secures| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N2 -.-> nest0_0
+    nest0_2 -.-> N6
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N2 -.-> nest1_0
+    nest1_2 --> N3
+    N8 -.-> S0
+    S0 -.-> N10
+    S0 --> |identifies| N11
+    N9 -.-> S1
+    S1 --> N11
+    S1 --> |identifies| N12
+    N0 --> M0
+    N1 --> M0
+    N4 --> M0
+    M0 --> N7
+    N9 -.-> M2
+    N3 -.-> M2
+    M2 -.-> N11
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#E8F0EA,stroke:#92C79A
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#E8F0EA,stroke:#92C79A
+    style N5 fill:#D3D7EB,stroke:#8C9EFF
+    style N6 fill:#D3D7EB,stroke:#8C9EFF
+    style N7 fill:#E8F0EA,stroke:#92C79A
+    style N8 fill:#E8F0EA,stroke:#92C79A
+    style N9 fill:#E8F0EA,stroke:#92C79A
+    style N10 fill:#D3D7EB,stroke:#8C9EFF
+    style N11 fill:#E8F0EA,stroke:#92C79A
+    style N12 fill:#D3D7EB,stroke:#8C9EFF
+    style S0 fill:#E8F0EA,stroke:#92C79A
+    style S1 fill:#E8F0EA,stroke:#92C79A
+    style M0 fill:#E8F0EA,stroke:#92C79A
+    style M2 fill:#FFFDE7,stroke:#FFF176
+    style nest0_0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_1 fill:#D3D7EB,stroke:#8C9EFF
+    style nest0_2 fill:#FFFDE7,stroke:#FFF176
+    style nest1_0 fill:#E8F0EA,stroke:#92C79A
+    style nest1_1 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_2 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFF176,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_393.txt b/train/mermaid/hard/mermaid_393.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d565d69b22d38fa8931029e746ae52129cd190d6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_393.txt
@@ -0,0 +1,40 @@
+<Civil_Military Cooperation, connectedTo, Counter_Insurgency Operations>
+<Combat Operations, connectedTo, Veteran Support>
+<Combat Operations, partOf, Air Operations>
+<Counter_Insurgency Operations, interdicts, Operations Planning>
+<Counter_Terrorism Operations, connectedTo, Civil_Military Cooperation>
+<Crisis Management, connectedTo, Targeting>
+<Crisis Management, partOf, Supply Chain Management>
+<Cyber Warfare Operations, connectedTo, Military Strategy Development>
+<Cyber Warfare Operations, connectedTo, Personnel Management>
+<Demobilization, connectedTo, Cyber Warfare Operations>
+<Demobilization, connectedTo, Logistics Support>
+<Demobilization, connectedTo, Rules of Engagement>
+<Demobilization, connectedTo, Specialized Training>
+<Demobilization, develops, Unmanned Systems Operation>
+<Equipment Maintenance, connectedTo, Force Projection>
+<Equipment Maintenance, surveys, Specialized Training>
+<Force Projection, connectedTo, Civil_Military Cooperation>
+<Force Projection, connectedTo, Cyber Warfare Operations>
+<Force Projection, connectedTo, Military Strategy Development>
+<Force Projection, connectedTo, Naval Operations>
+<Force Projection, connectedTo, Targeting>
+<Force Projection, negotiates, Targeting>
+<Intelligence Gathering, connectedTo, Targeting>
+<Intelligence Gathering, partOf, Air Operations>
+<Military Law, connectedTo, Crisis Management>
+<Military Law, partOf, Supply Chain Management>
+<Military Strategy Development, connectedTo, Counter_Terrorism Operations>
+<Naval Operations, equips, Rules of Engagement>
+<Operations Planning, connectedTo, Targeting>
+<Peacekeeping Missions, connectedTo, Demobilization>
+<Personnel Management, connectedTo, Combat Operations>
+<Personnel Management, partOf, Air Operations>
+<Rules of Engagement, connectedTo, Military Law>
+<Rules of Engagement, connectedTo, Specialized Training>
+<Specialized Training, connectedTo, Cyber Warfare Operations>
+<Targeting, connectedTo, Logistics Support>
+<Unmanned Systems Operation, connectedTo, Specialized Training>
+<Unmanned Systems Operation, innovates, Equipment Maintenance>
+<Veteran Support, connectedTo, Intelligence Gathering>
+<Veteran Support, partOf, Air Operations>
diff --git a/train/mermaid/hard/mermaid_395.txt b/train/mermaid/hard/mermaid_395.txt
new file mode 100644
index 0000000000000000000000000000000000000000..36457187d2c510d63315028d5b927fcc3ba83233
--- /dev/null
+++ b/train/mermaid/hard/mermaid_395.txt
@@ -0,0 +1,32 @@
+<Civil_Military Cooperation, connectedTo, Military Strategy Development>
+<Civil_Military Cooperation, partOf, Equipment Maintenance>
+<Counter_Terrorism Operations, partOf, Equipment Maintenance>
+<Counter_Terrorism Operations, yes, Civil_Military Cooperation>
+<Crisis Management, connectedTo, Military Law>
+<Crisis Management, connectedTo, Unmanned Systems Operation>
+<Demobilization, connectedTo, Force Projection>
+<Force Projection, connectedTo, Intelligence Gathering>
+<Force Projection, connectedTo, Logistics Support>
+<Intelligence Gathering, no, Operations Planning>
+<Logistics Support, connectedTo, Recruitment>
+<Logistics Support, partOf, Joint Exercises>
+<Military Law, connectedTo, Unmanned Systems Operation>
+<Military Strategy Development, connectedTo, Supply Chain Management>
+<Military Strategy Development, connectedTo, Unmanned Systems Operation>
+<Operations Planning, connectedTo, Counter_Terrorism Operations>
+<Operations Planning, connectedTo, Cyber Warfare Operations>
+<Personnel Management, connectedTo, Supply Chain Management>
+<Personnel Management, partOf, Joint Exercises>
+<Reconnaissance, connectedTo, Crisis Management>
+<Reconnaissance, connectedTo, Force Projection>
+<Reconnaissance, connectedTo, Operations Planning>
+<Reconnaissance, connectedTo, Unmanned Systems Operation>
+<Recruitment, no, Personnel Management>
+<Recruitment, partOf, Joint Exercises>
+<Supply Chain Management, connectedTo, Reconnaissance>
+<Supply Chain Management, connectedTo, Unmanned Systems Operation>
+<Unmanned Systems Operation, connectedTo, Cyber Warfare Operations>
+<Unmanned Systems Operation, connectedTo, Demobilization>
+<Unmanned Systems Operation, connectedTo, Force Projection>
+<Unmanned Systems Operation, connectedTo, Operations Planning>
+<start, connectedTo, Military Strategy Development>
diff --git a/train/mermaid/hard/mermaid_397.mmd b/train/mermaid/hard/mermaid_397.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..134450ae7fb4b0735930e140f30cecf77efa6d9a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_397.mmd
@@ -0,0 +1,134 @@
+graph RL
+    N0([start])
+    N1[Equipment Maintenance]
+    N2[Demobilization]
+    N3[[Logistics Support]]
+    N4(Supply Chain Management)
+    N5[/Weapon Systems Development/]
+    N6[[Counter_Insurgency Operations]]
+    N7(Crisis Management)
+    N8(Military Law)
+    N9[(Recruitment)]
+    N10[Specialized Training]
+    N11(Disaster Relief Deployment)
+    N12([Targeting])
+    N13[Electronic Warfare]
+    N14(Space Operations)
+    N15([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Basic Training
+        nest0_0[/Force Projection/]
+        nest0_1(Naval Operations)
+        nest0_2[/Combat Operations/]
+        nest0_3{Family Support Programs}
+    end
+    subgraph Rules of Engagement
+        nest1_0[/Defense Procurement/]
+        nest1_1{Counter_Terrorism Operations}
+        nest1_2(Intelligence Gathering)
+    end
+    N0 -.-> |researches| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> |enforces| N10
+    N10 -.-> |plans| N11
+    N11 -.-> N12
+    N12 --> |evaluates| N13
+    N13 --> |surveys| N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N7 --> nest0_0
+    nest0_3 --> N15
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N7 -.-> |operates| nest1_0
+    nest1_2 -.-> N7
+    N0 --> S0
+    S0 -.-> N9
+    S0 --> N12
+    N8 --> S1
+    S1 --> N11
+    S1 --> N10
+    N1 -.-> M0
+    N0 --> M0
+    M0 --> N3
+    N1 --> M1
+    N10 -.-> M1
+    N6 --> M1
+    M1 --> N13
+    style N0 fill:#FFFDE0,stroke:#FFF8A6
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#FFFDE0,stroke:#FFF8A6
+    style N3 fill:#FFFDE0,stroke:#FFF8A6
+    style N4 fill:#FFFDE0,stroke:#FFF8A6
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#D0EFEE,stroke:#73C6BC
+    style N8 fill:#FFFDE0,stroke:#FFF8A6
+    style N9 fill:#F1F8E9,stroke:#81C784
+    style N10 fill:#FFFDE0,stroke:#FFF8A6
+    style N11 fill:#D0EFEE,stroke:#73C6BC
+    style N12 fill:#FFFDE0,stroke:#FFF8A6
+    style N13 fill:#FFFDE0,stroke:#FFF8A6
+    style N14 fill:#F1F8E9,stroke:#81C784
+    style N15 fill:#F1F8E9,stroke:#81C784
+    style S0 fill:#F1F8E9,stroke:#81C784
+    style S1 fill:#D0EFEE,stroke:#73C6BC
+    style M0 fill:#F1F8E9,stroke:#81C784
+    style M1 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_0 fill:#FFFDE0,stroke:#FFF8A6
+    style nest0_1 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_2 fill:#FFFDE0,stroke:#FFF8A6
+    style nest0_3 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_0 fill:#F1F8E9,stroke:#81C784
+    style nest1_1 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_2 fill:#FFFDE0,stroke:#FFF8A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#73C6BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_399.png b/train/mermaid/hard/mermaid_399.png
new file mode 100644
index 0000000000000000000000000000000000000000..172614a9ec6eb5e8d9f1f220b7f25bc070c1f455
--- /dev/null
+++ b/train/mermaid/hard/mermaid_399.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12fecc7f42b18c5fcd6b4c27b049d603934212a5e148cc03698ad4f5b2c6c286
+size 178281
diff --git a/train/mermaid/hard/mermaid_4.png b/train/mermaid/hard/mermaid_4.png
new file mode 100644
index 0000000000000000000000000000000000000000..5a73a525a1b171fc8ecf3dfcc1724535dc374140
--- /dev/null
+++ b/train/mermaid/hard/mermaid_4.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:09cd77b1eee430fd6639cf1579d1ab15ebd017318c3698633f6ca25c71135219
+size 316512
diff --git a/train/mermaid/hard/mermaid_40.mmd b/train/mermaid/hard/mermaid_40.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cf68e9b81c4d03d6cc47572670c8f3b26df23617
--- /dev/null
+++ b/train/mermaid/hard/mermaid_40.mmd
@@ -0,0 +1,120 @@
+graph TD
+    N0([start])
+    N1[/Affiliate Marketing/]
+    N2(Price Adjustment)
+    N3[Invoice Generation]
+    N4[/User Account Management/]
+    N5{Marketing Campaign Launch}
+    N6[[Customer Inquiry]]
+    N7(Stock Replenishment)
+    N8(Warehouse Management)
+    N9(Package Return)
+    N10[Subscription Service]
+    N11[(Gift Card Purchase)]
+    N12([Mobile App Interaction])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Customer Segmentation
+        nest0_0[/Checkout/]
+        nest0_1(Order Confirmation)
+        nest0_2(Payment)
+        nest0_3(Live Chat Support)
+    end
+    subgraph Wishlist Management
+        nest1_0(Payment Gateway Reconciliation)
+        nest1_1{Refund Process}
+        nest1_2(Search Engine Optimization)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 --> N8
+    nest1_0 --> nest1_1
+    nest1_1 -.-> |secures| nest1_2
+    N10 -.-> nest1_0
+    nest1_2 -.-> N9
+    N6 -.-> S0
+    S0 --> |compares| N8
+    S0 --> N10
+    S0 -.-> N11
+    S0 -.-> N12
+    N9 -.-> S1
+    S1 --> N11
+    S1 --> N12
+    N7 -.-> M1
+    N8 -.-> M1
+    N6 -.-> M1
+    N9 --> M1
+    M1 --> N12
+    style N0 fill:#FFDCD6,stroke:#FFB2A5
+    style N1 fill:#E8EAF6,stroke:#5C6BC0
+    style N2 fill:#FFDCD6,stroke:#FFB2A5
+    style N3 fill:#FFDCD6,stroke:#FFB2A5
+    style N4 fill:#E8EAF6,stroke:#7986CB
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#E8EAF6,stroke:#5C6BC0
+    style N7 fill:#E8EAF6,stroke:#5C6BC0
+    style N8 fill:#FFDCD6,stroke:#FFB2A5
+    style N9 fill:#E8EAF6,stroke:#7986CB
+    style N10 fill:#E8EAF6,stroke:#5C6BC0
+    style N11 fill:#FFDCD6,stroke:#FFB2A5
+    style N12 fill:#E8EAF6,stroke:#5C6BC0
+    style S0 fill:#E8EAF6,stroke:#7986CB
+    style S1 fill:#E8EAF6,stroke:#7986CB
+    style M1 fill:#E8EAF6,stroke:#5C6BC0
+    style nest0_0 fill:#E8EAF6,stroke:#7986CB
+    style nest0_1 fill:#E8EAF6,stroke:#7986CB
+    style nest0_2 fill:#E8EAF6,stroke:#7986CB
+    style nest0_3 fill:#FFDCD6,stroke:#FFB2A5
+    style nest1_0 fill:#E8EAF6,stroke:#7986CB
+    style nest1_1 fill:#E8EAF6,stroke:#7986CB
+    style nest1_2 fill:#E8EAF6,stroke:#5C6BC0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#5C6BC0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_400.mmd b/train/mermaid/hard/mermaid_400.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4a6571f35010ae2c1b02c51e52554e24a1d006d2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_400.mmd
@@ -0,0 +1,96 @@
+graph TD
+    N0([start])
+    N1[/Rules of Engagement/]
+    N2(Personnel Management)
+    N3{Counter_Terrorism Operations}
+    N4[/Supply Chain Management/]
+    N5[[Crisis Management]]
+    N6[Combat Operations]
+    N7[Recruitment]
+    N8[[Joint Exercises]]
+    N9[Electronic Warfare]
+    N10[[Peacekeeping Missions]]
+    N11[Civil_Military Cooperation]
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Naval Operations
+        nest0_0{Counter_Insurgency Operations}
+        nest0_1[(Targeting)]
+        nest0_2([Intelligence Gathering])
+        nest0_3{Cyber Warfare Operations}
+    end
+    subgraph Troop Deployment
+        nest1_0[/Force Projection/]
+        nest1_1[/Logistics Support/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |no| N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N3 --> |no| nest0_0
+    nest0_3 -.-> N8
+    nest1_0 --> nest1_1
+    N5 --> nest1_0
+    nest1_1 -.-> N6
+    N2 -.-> S0
+    S0 --> N6
+    S0 --> |yes| N4
+    S0 -.-> N7
+    S0 --> N9
+    N3 -.-> S1
+    S1 --> N10
+    S1 --> N6
+    S1 -.-> N9
+    S1 -.-> N7
+    N2 --> |yes| M1
+    N4 -.-> M1
+    N1 -.-> |no| M1
+    M1 -.-> N10
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style S1 fill:#F3E5F5,stroke:#BA68C8
+    style M1 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_400.txt b/train/mermaid/hard/mermaid_400.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ce99bfdebc0c457e4dbd71fca40e1ec7df23d70a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_400.txt
@@ -0,0 +1,36 @@
+<Combat Operations, connectedTo, Recruitment>
+<Counter_Insurgency Operations, connectedTo, Targeting>
+<Counter_Insurgency Operations, partOf, Naval Operations>
+<Counter_Terrorism Operations, connectedTo, Combat Operations>
+<Counter_Terrorism Operations, connectedTo, Electronic Warfare>
+<Counter_Terrorism Operations, connectedTo, Peacekeeping Missions>
+<Counter_Terrorism Operations, connectedTo, Recruitment>
+<Counter_Terrorism Operations, connectedTo, Supply Chain Management>
+<Counter_Terrorism Operations, no, Counter_Insurgency Operations>
+<Crisis Management, connectedTo, Combat Operations>
+<Crisis Management, connectedTo, Force Projection>
+<Cyber Warfare Operations, connectedTo, Joint Exercises>
+<Cyber Warfare Operations, partOf, Naval Operations>
+<Electronic Warfare, connectedTo, Peacekeeping Missions>
+<Force Projection, connectedTo, Logistics Support>
+<Force Projection, partOf, Troop Deployment>
+<Intelligence Gathering, connectedTo, Cyber Warfare Operations>
+<Intelligence Gathering, partOf, Naval Operations>
+<Joint Exercises, no, Electronic Warfare>
+<Logistics Support, connectedTo, Combat Operations>
+<Logistics Support, partOf, Troop Deployment>
+<Peacekeeping Missions, connectedTo, Civil_Military Cooperation>
+<Personnel Management, connectedTo, Combat Operations>
+<Personnel Management, connectedTo, Counter_Terrorism Operations>
+<Personnel Management, connectedTo, Electronic Warfare>
+<Personnel Management, connectedTo, Recruitment>
+<Personnel Management, yes, Peacekeeping Missions>
+<Personnel Management, yes, Supply Chain Management>
+<Recruitment, connectedTo, Joint Exercises>
+<Rules of Engagement, connectedTo, Personnel Management>
+<Rules of Engagement, no, Peacekeeping Missions>
+<Supply Chain Management, connectedTo, Crisis Management>
+<Supply Chain Management, connectedTo, Peacekeeping Missions>
+<Targeting, connectedTo, Intelligence Gathering>
+<Targeting, partOf, Naval Operations>
+<start, connectedTo, Rules of Engagement>
diff --git a/train/mermaid/hard/mermaid_403.mmd b/train/mermaid/hard/mermaid_403.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..de15200826f7bd795f476219b688f8fccbfcf2d0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_403.mmd
@@ -0,0 +1,120 @@
+graph BT
+    N0([Flight Simulation])
+    N1[Airspace Management]
+    N2(Security Screening)
+    N3[/Passenger Check_in/]
+    N4[Engine Overhaul]
+    N5([Route Optimization])
+    N6([Cargo Loading])
+    N7{In_flight Service}
+    N8[Crew Resource Management]
+    N9{Gate Assignment}
+    N10[Air Cargo Logistics]
+    N11(Weather Briefing)
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Remote Tower Operations
+        nest0_0[Unmanned Aerial Vehicle Integration]
+        nest0_1([Aircraft De_icing])
+        nest0_2(Baggage Handling)
+        nest0_3(Pilot Training)
+    end
+    subgraph Navigation System Check
+        nest1_0(Aircraft Manufacturing)
+        nest1_1(Regulatory Compliance)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |plans| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 -.-> N11
+    nest1_0 --> nest1_1
+    N2 --> nest1_0
+    nest1_1 --> N10
+    N0 -.-> S0
+    S0 -.-> N9
+    S0 -.-> N8
+    S0 -.-> N7
+    S0 --> N4
+    N4 --> S1
+    S1 -.-> N11
+    S1 -.-> N10
+    S1 -.-> |tests| N6
+    N4 --> M0
+    N2 --> M0
+    N0 -.-> M0
+    M0 --> N8
+    N6 --> M1
+    N8 --> M1
+    M1 --> N10
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#D3D7EB,stroke:#8C9EFF
+    style N3 fill:#D3D7EB,stroke:#8C9EFF
+    style N4 fill:#E0E6E9,stroke:#AABEC6
+    style N5 fill:#E3F2FD,stroke:#64B5F6
+    style N6 fill:#E0E6E9,stroke:#AABEC6
+    style N7 fill:#E3F2FD,stroke:#64B5F6
+    style N8 fill:#E0E6E9,stroke:#AABEC6
+    style N9 fill:#E0E6E9,stroke:#AABEC6
+    style N10 fill:#E3F2FD,stroke:#64B5F6
+    style N11 fill:#E3F2FD,stroke:#64B5F6
+    style S0 fill:#D3D7EB,stroke:#8C9EFF
+    style S1 fill:#D3D7EB,stroke:#8C9EFF
+    style M0 fill:#D3D7EB,stroke:#8C9EFF
+    style M1 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_1 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_2 fill:#E3F2FD,stroke:#64B5F6
+    style nest0_3 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest1_1 fill:#D3D7EB,stroke:#8C9EFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_403.txt b/train/mermaid/hard/mermaid_403.txt
new file mode 100644
index 0000000000000000000000000000000000000000..81daf1e201a30713a42f4a8f7a6534792b8e2234
--- /dev/null
+++ b/train/mermaid/hard/mermaid_403.txt
@@ -0,0 +1,36 @@
+<Air Cargo Logistics, connectedTo, Weather Briefing>
+<Aircraft De_icing, connectedTo, Baggage Handling>
+<Aircraft De_icing, partOf, Remote Tower Operations>
+<Aircraft Manufacturing, connectedTo, Regulatory Compliance>
+<Aircraft Manufacturing, partOf, Navigation System Check>
+<Airspace Management, connectedTo, Security Screening>
+<Baggage Handling, connectedTo, Pilot Training>
+<Baggage Handling, partOf, Remote Tower Operations>
+<Cargo Loading, connectedTo, Air Cargo Logistics>
+<Cargo Loading, connectedTo, In_flight Service>
+<Crew Resource Management, connectedTo, Air Cargo Logistics>
+<Crew Resource Management, connectedTo, Gate Assignment>
+<Engine Overhaul, connectedTo, Air Cargo Logistics>
+<Engine Overhaul, connectedTo, Crew Resource Management>
+<Engine Overhaul, connectedTo, Route Optimization>
+<Engine Overhaul, connectedTo, Weather Briefing>
+<Engine Overhaul, tests, Cargo Loading>
+<Flight Simulation, connectedTo, Airspace Management>
+<Flight Simulation, connectedTo, Crew Resource Management>
+<Flight Simulation, connectedTo, Engine Overhaul>
+<Flight Simulation, connectedTo, Gate Assignment>
+<Flight Simulation, connectedTo, In_flight Service>
+<Gate Assignment, connectedTo, Air Cargo Logistics>
+<In_flight Service, connectedTo, Crew Resource Management>
+<Passenger Check_in, connectedTo, Engine Overhaul>
+<Passenger Check_in, connectedTo, Unmanned Aerial Vehicle Integration>
+<Pilot Training, connectedTo, Weather Briefing>
+<Pilot Training, partOf, Remote Tower Operations>
+<Regulatory Compliance, connectedTo, Air Cargo Logistics>
+<Regulatory Compliance, partOf, Navigation System Check>
+<Route Optimization, plans, Cargo Loading>
+<Security Screening, connectedTo, Aircraft Manufacturing>
+<Security Screening, connectedTo, Crew Resource Management>
+<Security Screening, connectedTo, Passenger Check_in>
+<Unmanned Aerial Vehicle Integration, connectedTo, Aircraft De_icing>
+<Unmanned Aerial Vehicle Integration, partOf, Remote Tower Operations>
diff --git a/train/mermaid/hard/mermaid_404.txt b/train/mermaid/hard/mermaid_404.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7761dccc6595e705791a18fa4deae51fbeff0c54
--- /dev/null
+++ b/train/mermaid/hard/mermaid_404.txt
@@ -0,0 +1,28 @@
+<Air Traffic Control, connectedTo, Aircraft De_icing>
+<Air Traffic Control, connectedTo, Aircraft Maintenance>
+<Aircraft De_icing, connectedTo, Air Traffic Control>
+<Aircraft De_icing, connectedTo, Aircraft Maintenance>
+<Aircraft De_icing, connectedTo, Gate Assignment>
+<Aircraft De_icing, connectedTo, Noise Abatement Procedures>
+<Aircraft Maintenance, connectedTo, Weather Briefing>
+<Airport Operations, designs, Airworthiness Certification>
+<Airport Operations, partOf, Cargo Loading>
+<Airworthiness Certification, connectedTo, Flight Simulation>
+<Airworthiness Certification, partOf, Cargo Loading>
+<Crew Scheduling, connectedTo, Passenger Check_in>
+<Crew Scheduling, partOf, Security Screening>
+<Delay Management, connectedTo, Aircraft Manufacturing>
+<Delay Management, partOf, Security Screening>
+<Flight Simulation, connectedTo, Aircraft De_icing>
+<Flight Simulation, partOf, Cargo Loading>
+<Gate Assignment, connectedTo, Crew Scheduling>
+<Gate Assignment, partOf, Security Screening>
+<Noise Abatement Procedures, connectedTo, Air Traffic Control>
+<Noise Abatement Procedures, connectedTo, Aircraft Manufacturing>
+<Noise Abatement Procedures, connectedTo, Airport Operations>
+<Noise Abatement Procedures, connectedTo, Weather Briefing>
+<Passenger Check_in, connectedTo, Delay Management>
+<Passenger Check_in, partOf, Security Screening>
+<Sustainable Aviation Fuel Development, connectedTo, Aircraft De_icing>
+<Sustainable Aviation Fuel Development, connectedTo, Weather Briefing>
+<Weather Briefing, connectedTo, Aircraft Manufacturing>
diff --git a/train/mermaid/hard/mermaid_406.mmd b/train/mermaid/hard/mermaid_406.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f8caefe526760d43fca2fbc42c19e579c5d56a08
--- /dev/null
+++ b/train/mermaid/hard/mermaid_406.mmd
@@ -0,0 +1,100 @@
+graph BT
+    N0([start])
+    N1[/Route Optimization/]
+    N2{Aerospace Engineering}
+    N3(Aviation Safety Investigation)
+    N4[Aircraft De_icing]
+    N5{Cargo Loading}
+    N6([Engine Overhaul])
+    N7(Flight Planning)
+    N8(Air Cargo Logistics)
+    N9[Flight Simulation]
+    N10[Fleet Management]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Regulatory Compliance
+        nest0_0(Gate Assignment)
+        nest0_1{Delay Management}
+        nest0_2(Airport Operations)
+    end
+    subgraph Remote Tower Operations
+        nest1_0[Navigation System Check]
+        nest1_1[(In_flight Service)]
+    end
+    N0 -.-> |no| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |no| N6
+    N6 --> N7
+    N7 --> |no| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |yes| nest0_2
+    N2 --> nest0_0
+    nest0_2 --> N7
+    nest1_0 --> nest1_1
+    N8 --> nest1_0
+    nest1_1 -.-> N10
+    N3 --> S0
+    S0 -.-> N5
+    S0 -.-> N10
+    S0 --> N6
+    S0 --> N9
+    N2 -.-> S1
+    S1 --> N7
+    S1 --> N10
+    S1 --> N8
+    S1 -.-> N5
+    N2 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N4
+    N3 --> M1
+    N0 -.-> M1
+    N5 --> |no| M1
+    N4 -.-> M1
+    M1 -.-> N8
+    style S0 fill:#F8FDD3,stroke:#D3EB9F
+    style S1 fill:#F8FDD3,stroke:#D3EB9F
+    style M0 fill:#CFD8DC,stroke:#607D8B
+    style M1 fill:#E0F2F1,stroke:#4DB6AC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#4DB6AC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_407.mmd b/train/mermaid/hard/mermaid_407.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..054f38893503f92c31349bc21a9d412630794d22
--- /dev/null
+++ b/train/mermaid/hard/mermaid_407.mmd
@@ -0,0 +1,112 @@
+graph LR
+    N0([Navigation System Check])
+    N1(Air Cargo Logistics)
+    N2(Baggage Handling)
+    N3[(Aircraft De_icing)]
+    N4([Aviation Safety Investigation])
+    N5(Fleet Management)
+    N6[[Route Optimization]]
+    N7(In_flight Service)
+    N8{Gate Assignment}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Next_Generation Air Traffic Management
+        nest0_0{Passenger Check_in}
+        nest0_1([Regulatory Compliance])
+        nest0_2(Air Traffic Control)
+    end
+    subgraph Noise Abatement Procedures
+        nest1_0([Crew Scheduling])
+        nest1_1[(Cargo Loading)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N1 --> nest0_0
+    nest0_2 --> N3
+    nest1_0 -.-> nest1_1
+    N3 --> nest1_0
+    nest1_1 --> N6
+    N3 -.-> S0
+    S0 -.-> N6
+    S0 --> N8
+    S0 --> N7
+    S0 -.-> N5
+    N1 --> S1
+    S1 -.-> |maintains| N5
+    S1 -.-> N3
+    N4 --> S2
+    S2 -.-> N7
+    S2 --> N8
+    S2 -.-> N6
+    N5 -.-> M1
+    N1 --> M1
+    N3 --> M1
+    M1 --> N7
+    N3 -.-> M2
+    N4 -.-> |trains| M2
+    M2 -.-> N7
+    style N0 fill:#FDFCEB,stroke:#EAEFA5
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#F1F8FF,stroke:#42A5F5
+    style N3 fill:#FDFCEB,stroke:#EAEFA5
+    style N4 fill:#E1F5FE,stroke:#4FC3F7
+    style N5 fill:#E1F5FE,stroke:#4FC3F7
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#E1F5FE,stroke:#4FC3F7
+    style N8 fill:#FDFCEB,stroke:#EAEFA5
+    style S0 fill:#F1F8FF,stroke:#42A5F5
+    style S1 fill:#E1F5FE,stroke:#4FC3F7
+    style S2 fill:#F1F8FF,stroke:#42A5F5
+    style M1 fill:#F1F8FF,stroke:#42A5F5
+    style M2 fill:#E1F5FE,stroke:#4FC3F7
+    style nest0_0 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_1 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_2 fill:#FDFCEB,stroke:#EAEFA5
+    style nest1_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_1 fill:#E1F5FE,stroke:#4FC3F7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#42A5F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_408.mmd b/train/mermaid/hard/mermaid_408.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f1e4ca9ab2d35da190273b0554ee75eac1965a55
--- /dev/null
+++ b/train/mermaid/hard/mermaid_408.mmd
@@ -0,0 +1,150 @@
+graph RL
+    N0([Airport Operations])
+    N1[(Avionics Repair)]
+    N2{Aviation Safety Investigation}
+    N3[Weather Briefing]
+    N4[Airspace Management]
+    N5(Noise Abatement Procedures)
+    N6[Delay Management]
+    N7[/Cargo Loading/]
+    N8{Air Cargo Logistics}
+    N9([Airport Security Management])
+    N10[Sustainable Aviation Fuel Development]
+    N11[(Gate Assignment)]
+    N12(Route Optimization)
+    N13([Flight Planning])
+    N14{Engine Overhaul}
+    N15{Air Traffic Control}
+    N16[/Aerospace Engineering/]
+    N17([Passenger Check_in])
+    N18([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Passenger Boarding
+        nest0_0[/Baggage Handling/]
+        nest0_1(Unmanned Aerial Vehicle Integration)
+        nest0_2[(Runway Management)]
+        nest0_3([Aircraft Maintenance])
+    end
+    subgraph Remote Tower Operations
+        nest1_0([Fleet Management])
+        nest1_1[(Crew Scheduling)]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    N17 -.-> N18
+    nest0_0 -.-> |responds| nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N1 --> |lands| nest0_0
+    nest0_3 -.-> |repairs| N7
+    nest1_0 -.-> |maintains| nest1_1
+    N6 -.-> nest1_0
+    nest1_1 -.-> N4
+    N11 --> S0
+    S0 --> N16
+    S0 -.-> N15
+    N5 -.-> S1
+    S1 --> N18
+    S1 -.-> N8
+    S1 -.-> N10
+    N1 --> S2
+    S2 --> N16
+    S2 -.-> |controls| N3
+    N7 --> M0
+    N0 -.-> M0
+    M0 -.-> N10
+    N4 -.-> M1
+    N1 -.-> M1
+    M1 --> N11
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#D6D9F0,stroke:#9FA9E1
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#E0F2F1,stroke:#4DB6AC
+    style N4 fill:#E0F2F1,stroke:#4DB6AC
+    style N5 fill:#D6D9F0,stroke:#9FA9E1
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#E0F2F1,stroke:#4DB6AC
+    style N8 fill:#EDE7F6,stroke:#9575CD
+    style N9 fill:#E0F2F1,stroke:#4DB6AC
+    style N10 fill:#D6D9F0,stroke:#9FA9E1
+    style N11 fill:#D6D9F0,stroke:#9FA9E1
+    style N12 fill:#EDE7F6,stroke:#9575CD
+    style N13 fill:#E0F2F1,stroke:#4DB6AC
+    style N14 fill:#EDE7F6,stroke:#9575CD
+    style N15 fill:#E0F2F1,stroke:#4DB6AC
+    style N16 fill:#E0F2F1,stroke:#4DB6AC
+    style N17 fill:#EDE7F6,stroke:#9575CD
+    style N18 fill:#D6D9F0,stroke:#9FA9E1
+    style S0 fill:#D6D9F0,stroke:#9FA9E1
+    style S1 fill:#E0F2F1,stroke:#4DB6AC
+    style S2 fill:#EDE7F6,stroke:#9575CD
+    style M0 fill:#E0F2F1,stroke:#4DB6AC
+    style M1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_0 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_2 fill:#EDE7F6,stroke:#9575CD
+    style nest0_3 fill:#D6D9F0,stroke:#9FA9E1
+    style nest1_0 fill:#EDE7F6,stroke:#9575CD
+    style nest1_1 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_408.txt b/train/mermaid/hard/mermaid_408.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9471bda81522ddb1ab8b540896185c997965c8b9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_408.txt
@@ -0,0 +1,43 @@
+<Aerospace Engineering, connectedTo, Passenger Check_in>
+<Air Cargo Logistics, connectedTo, Airport Security Management>
+<Air Traffic Control, connectedTo, Aerospace Engineering>
+<Aircraft Maintenance, partOf, Passenger Boarding>
+<Aircraft Maintenance, repairs, Cargo Loading>
+<Airport Operations, connectedTo, Avionics Repair>
+<Airport Operations, connectedTo, Sustainable Aviation Fuel Development>
+<Airport Security Management, connectedTo, Sustainable Aviation Fuel Development>
+<Airspace Management, connectedTo, Gate Assignment>
+<Airspace Management, connectedTo, Noise Abatement Procedures>
+<Aviation Safety Investigation, connectedTo, Weather Briefing>
+<Avionics Repair, connectedTo, Aerospace Engineering>
+<Avionics Repair, connectedTo, Aviation Safety Investigation>
+<Avionics Repair, connectedTo, Gate Assignment>
+<Avionics Repair, controls, Weather Briefing>
+<Avionics Repair, lands, Baggage Handling>
+<Baggage Handling, partOf, Passenger Boarding>
+<Baggage Handling, responds, Unmanned Aerial Vehicle Integration>
+<Cargo Loading, connectedTo, Air Cargo Logistics>
+<Cargo Loading, connectedTo, Sustainable Aviation Fuel Development>
+<Crew Scheduling, connectedTo, Airspace Management>
+<Crew Scheduling, partOf, Remote Tower Operations>
+<Delay Management, connectedTo, Cargo Loading>
+<Delay Management, connectedTo, Fleet Management>
+<Engine Overhaul, connectedTo, Air Traffic Control>
+<Fleet Management, maintains, Crew Scheduling>
+<Fleet Management, partOf, Remote Tower Operations>
+<Flight Planning, connectedTo, Engine Overhaul>
+<Gate Assignment, connectedTo, Aerospace Engineering>
+<Gate Assignment, connectedTo, Air Traffic Control>
+<Gate Assignment, connectedTo, Route Optimization>
+<Noise Abatement Procedures, connectedTo, Air Cargo Logistics>
+<Noise Abatement Procedures, connectedTo, Delay Management>
+<Noise Abatement Procedures, connectedTo, Sustainable Aviation Fuel Development>
+<Noise Abatement Procedures, connectedTo, end>
+<Passenger Check_in, connectedTo, end>
+<Route Optimization, connectedTo, Flight Planning>
+<Runway Management, connectedTo, Aircraft Maintenance>
+<Runway Management, partOf, Passenger Boarding>
+<Sustainable Aviation Fuel Development, connectedTo, Gate Assignment>
+<Unmanned Aerial Vehicle Integration, connectedTo, Runway Management>
+<Unmanned Aerial Vehicle Integration, partOf, Passenger Boarding>
+<Weather Briefing, connectedTo, Airspace Management>
diff --git a/train/mermaid/hard/mermaid_411.png b/train/mermaid/hard/mermaid_411.png
new file mode 100644
index 0000000000000000000000000000000000000000..4d4b245008aed08acbcd0b012ea97e6bc0ec3986
--- /dev/null
+++ b/train/mermaid/hard/mermaid_411.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3573266bd094ddbd84e65c3eb1666002f0ea54ae9ea66cb03b63279ee33c0592
+size 210941
diff --git a/train/mermaid/hard/mermaid_415.txt b/train/mermaid/hard/mermaid_415.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1d3ed5bca686bd4f027865c22f8816284907966
--- /dev/null
+++ b/train/mermaid/hard/mermaid_415.txt
@@ -0,0 +1,42 @@
+<Aeronautical Charting, connectedTo, Wearable Device Navigation>
+<Aeronautical Charting, partOf, Turn_by_Turn Directions>
+<Autonomous Vehicle Navigation, connectedTo, Celestial Navigation>
+<Autonomous Vehicle Navigation, connectedTo, GPS Positioning>
+<Celestial Navigation, connectedTo, GPS Positioning>
+<Cycle Route Planning, connectedTo, Indoor Navigation>
+<Cycle Route Planning, connectedTo, Speed Calculation>
+<Digital Compass Integration, connectedTo, GPS Positioning>
+<Digital Compass Integration, connectedTo, Multi_modal Navigation>
+<ETA Estimation, connectedTo, Altitude Tracking>
+<GPS Positioning, connectedTo, Indoor Navigation>
+<GPS Positioning, connectedTo, Navigation Data Update>
+<GPS Positioning, connectedTo, Satellite Navigation Systems>
+<GPS Positioning, connectedTo, Waypoint Setting>
+<Hazard Alerts, connectedTo, Historical Traffic Data Analysis>
+<Historical Traffic Data Analysis, connectedTo, Satellite Navigation Systems>
+<Indoor Navigation, connectedTo, Real_Time Re_routing>
+<Lane Guidance, connectedTo, Hazard Alerts>
+<Lane Guidance, connectedTo, Location_Based Services>
+<Lane Guidance, connectedTo, Satellite Navigation Systems>
+<Location_Based Services, connectedTo, Terrestrial Navigation>
+<Location_Based Services, partOf, Geofencing>
+<Multi_modal Navigation, connectedTo, Autonomous Vehicle Navigation>
+<Multi_modal Navigation, connectedTo, GPS Positioning>
+<Navigation Data Update, connectedTo, Points of Interest Search>
+<Offline Map Support, connectedTo, Aeronautical Charting>
+<Offline Map Support, partOf, Turn_by_Turn Directions>
+<Personalized Route Preferences, connectedTo, Offline Map Support>
+<Personalized Route Preferences, partOf, Turn_by_Turn Directions>
+<Points of Interest Search, connectedTo, ETA Estimation>
+<Real_Time Re_routing, connectedTo, ETA Estimation>
+<Real_Time Re_routing, connectedTo, Navigation Data Update>
+<Real_Time Re_routing, connectedTo, Points of Interest Search>
+<Satellite Navigation Systems, connectedTo, Cycle Route Planning>
+<Speed Calculation, connectedTo, Personalized Route Preferences>
+<Speed Calculation, partOf, Turn_by_Turn Directions>
+<Terrestrial Navigation, connectedTo, Navigation Data Update>
+<Terrestrial Navigation, partOf, Geofencing>
+<Traffic Information, connectedTo, Satellite Navigation Systems>
+<Traffic Information, connectedTo, Wearable Device Navigation>
+<Waypoint Setting, connectedTo, Traffic Information>
+<Wearable Device Navigation, connectedTo, Lane Guidance>
diff --git a/train/mermaid/hard/mermaid_419.mmd b/train/mermaid/hard/mermaid_419.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..19ef568fc1d195d8e9a35d49b22eee9e3eed4a57
--- /dev/null
+++ b/train/mermaid/hard/mermaid_419.mmd
@@ -0,0 +1,100 @@
+graph BT
+    N0([3D Printed Tooling])
+    N1{Selective Laser Sintering}
+    N2([Multi_Material Printing])
+    N3[Medical Device Prototyping]
+    N4([File Format Conversion])
+    N5[Prototyping]
+    N6[[Printing Parameter Optimization]]
+    N7(Distributed Manufacturing)
+    N8[/Reverse Engineering with 3D Printing/]
+    N9[Material Selection]
+    N10{Mass Customization}
+    N11[(Fused Deposition Modeling)]
+    S1(( ))
+    M1(( ))
+    subgraph Support Structure Design
+        nest0_0[/Troubleshooting Print Errors/]
+        nest0_1(Rapid Manufacturing)
+        nest0_2[/Custom Part Production/]
+    end
+    subgraph Quality Control
+        nest1_0[[Intellectual Property Protection for Designs]]
+        nest1_1(Printer Setup)
+        nest1_2(On_Demand Production)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |replicates| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N6 --> |educates| nest0_0
+    nest0_2 -.-> N5
+    nest1_0 --> |innovates| nest1_1
+    nest1_1 --> nest1_2
+    N5 -.-> nest1_0
+    nest1_2 --> |processes| N2
+    N1 --> S1
+    S1 -.-> N5
+    S1 --> |protects| N6
+    N6 --> M1
+    N4 -.-> M1
+    N5 --> M1
+    M1 -.-> N8
+    N10 --> N2
+    style N0 fill:#D0E0F8,stroke:#4285F4
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#D0E0F8,stroke:#4285F4
+    style N3 fill:#C8EDFF,stroke:#82DAFF
+    style N4 fill:#D0E0F8,stroke:#4285F4
+    style N5 fill:#ECCFF5,stroke:#CD8FF2
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    style N8 fill:#D0E0F8,stroke:#4285F4
+    style N9 fill:#C8EDFF,stroke:#82DAFF
+    style N10 fill:#C8EDFF,stroke:#82DAFF
+    style N11 fill:#ECCFF5,stroke:#CD8FF2
+    style S1 fill:#D0E0F8,stroke:#4285F4
+    style M1 fill:#D0E0F8,stroke:#4285F4
+    style nest0_0 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_1 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_2 fill:#ECCFF5,stroke:#CD8FF2
+    style nest1_0 fill:#D0E0F8,stroke:#4285F4
+    style nest1_1 fill:#C8EDFF,stroke:#82DAFF
+    style nest1_2 fill:#C8EDFF,stroke:#82DAFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4285F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_420.txt b/train/mermaid/hard/mermaid_420.txt
new file mode 100644
index 0000000000000000000000000000000000000000..610c3f17e311197b6a670192232a3f805fb37c62
--- /dev/null
+++ b/train/mermaid/hard/mermaid_420.txt
@@ -0,0 +1,32 @@
+<3D Model Design, connectedTo, Distributed Manufacturing>
+<3D Model Design, partOf, Prototyping>
+<Distributed Manufacturing, connectedTo, Mass Customization>
+<Distributed Manufacturing, partOf, Prototyping>
+<Educational Applications, connectedTo, File Format Conversion>
+<Educational Applications, partOf, Bioprinting>
+<File Format Conversion, connectedTo, Medical Device Prototyping>
+<File Format Conversion, partOf, Bioprinting>
+<Maintenance and Repair of Printers, connectedTo, Post_Processing>
+<Maintenance and Repair of Printers, connectedTo, Printer Setup>
+<Mass Customization, connectedTo, Stereolithography>
+<Mass Customization, partOf, Prototyping>
+<Medical Device Prototyping, connectedTo, 3D Model Design>
+<Medical Device Prototyping, connectedTo, Maintenance and Repair of Printers>
+<Medical Device Prototyping, connectedTo, Multi_Material Printing>
+<Medical Device Prototyping, connectedTo, Printer Setup>
+<Medical Device Prototyping, connectedTo, Quality Control>
+<Medical Device Prototyping, connectedTo, Scaffolding for Tissue Engineering>
+<Medical Device Prototyping, materials, Printer Setup>
+<Multi_Material Printing, connectedTo, Maintenance and Repair of Printers>
+<Multi_Material Printing, connectedTo, Printer Setup>
+<Multi_Material Printing, connectedTo, Printing Parameter Optimization>
+<Print Farm Management, connectedTo, Medical Device Prototyping>
+<Print Farm Management, connectedTo, Printer Setup>
+<Printer Setup, calibrates, Quality Control>
+<Printer Setup, connectedTo, Post_Processing>
+<Printing Parameter Optimization, connectedTo, Maintenance and Repair of Printers>
+<Quality Control, connectedTo, Post_Processing>
+<Scaffolding for Tissue Engineering, connectedTo, Educational Applications>
+<Scaffolding for Tissue Engineering, partOf, Bioprinting>
+<Stereolithography, connectedTo, Medical Device Prototyping>
+<Stereolithography, partOf, Prototyping>
diff --git a/train/mermaid/hard/mermaid_425.mmd b/train/mermaid/hard/mermaid_425.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7a4e781086ee16152e9a0848adee82839d91b477
--- /dev/null
+++ b/train/mermaid/hard/mermaid_425.mmd
@@ -0,0 +1,138 @@
+graph RL
+    N0([start])
+    N1[(Photovoltaics)]
+    N2([Scanning Electron Microscopy])
+    N3[(Nanocoatings)]
+    N4(Nanomaterial Synthesis)
+    N5[[Nanoscale Imaging]]
+    N6(Nanosensors)
+    N7[Graphene Production]
+    N8[Advanced Materials Research]
+    N9[/Surface Functionalization/]
+    N10[(Biosensors)]
+    N11[X_ray Diffraction]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Nanomedicine Development
+        nest0_0(Molecular Self_Assembly)
+        nest0_1[[Quantum Computing Integration]]
+        nest0_2[(Nanoelectronics)]
+    end
+    subgraph Drug Delivery Systems
+        nest1_0[[Water Purification using Nanomaterials]]
+        nest1_1(Risk Assessment of Nanomaterials)
+        nest1_2[/Food Packaging Improvement/]
+        nest1_3([Computational Nanotechnology])
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |simulates| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N3 --> nest0_0
+    nest0_2 -.-> N3
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N7 -.-> nest1_0
+    nest1_3 -.-> N7
+    N4 --> S0
+    S0 --> N8
+    S0 --> N6
+    N1 --> S1
+    S1 -.-> N9
+    S1 -.-> N7
+    S1 --> N6
+    N5 --> S2
+    S2 --> N7
+    S2 -.-> N8
+    N4 --> M0
+    N2 -.-> M0
+    M0 -.-> N7
+    N4 --> M1
+    N3 -.-> |manipulates| M1
+    M1 -.-> N6
+    N2 -.-> M2
+    N1 -.-> M2
+    N3 -.-> M2
+    N0 --> M2
+    M2 --> N5
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#E0F7FA,stroke:#00BCD4
+    style N2 fill:#E0F7FA,stroke:#00BCD4
+    style N3 fill:#F0F4C3,stroke:#AED581
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#C5CAE9,stroke:#3F51B5
+    style N6 fill:#C5CAE9,stroke:#3F51B5
+    style N7 fill:#F0F4C3,stroke:#AED581
+    style N8 fill:#E0F7FA,stroke:#00BCD4
+    style N9 fill:#E0F7FA,stroke:#00BCD4
+    style N10 fill:#C5CAE9,stroke:#3F51B5
+    style N11 fill:#F0F4C3,stroke:#AED581
+    style S0 fill:#E0F7FA,stroke:#00BCD4
+    style S1 fill:#C5CAE9,stroke:#3F51B5
+    style S2 fill:#C5CAE9,stroke:#3F51B5
+    style M0 fill:#E0F7FA,stroke:#00BCD4
+    style M1 fill:#F0F4C3,stroke:#AED581
+    style M2 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_0 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_1 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_2 fill:#F0F4C3,stroke:#AED581
+    style nest1_0 fill:#E0F7FA,stroke:#00BCD4
+    style nest1_1 fill:#E0F7FA,stroke:#00BCD4
+    style nest1_2 fill:#E0F7FA,stroke:#00BCD4
+    style nest1_3 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#3F51B5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_431.mmd b/train/mermaid/hard/mermaid_431.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1c66b7f962a48843b1ba95f9a96911db035ba0eb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_431.mmd
@@ -0,0 +1,107 @@
+graph RL
+    N0([start])
+    N1{Transmission Electron Microscopy}
+    N2{Nanocoatings}
+    N3([Nanomedicine Development])
+    N4(Graphene Production)
+    N5[[Public Perception of Nanotechnology]]
+    N6(Computational Nanotechnology)
+    N7[Environmental Remediation with Nanomaterials]
+    N8(Nanosensors)
+    N9(Drug Delivery Systems)
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Catalysis at Nanoscale
+        nest0_0(Nanoelectronics)
+        nest0_1(Atomic Force Microscopy)
+        nest0_2[Scanning Electron Microscopy]
+        nest0_3[[Lab_on_a_Chip Devices]]
+    end
+    subgraph Carbon Nanotube Synthesis
+        nest1_0[Molecular Self_Assembly]
+        nest1_1{Spectroscopy}
+        nest1_2[[Nanocomposites]]
+    end
+    N0 -.-> |no| N1
+    N1 -.-> |yes| N2
+    N2 --> N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |yes| N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N6 --> nest0_0
+    nest0_3 -.-> N2
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N8 -.-> nest1_0
+    nest1_2 -.-> N4
+    N2 -.-> S1
+    S1 -.-> N9
+    S1 -.-> N4
+    S1 -.-> N7
+    N3 --> S2
+    S2 -.-> |no| N6
+    S2 -.-> N5
+    S2 -.-> N7
+    N4 --> M0
+    N1 --> M0
+    N2 -.-> M0
+    M0 --> N6
+    N0 -.-> M1
+    N3 --> M1
+    N1 --> M1
+    M1 --> N6
+    N0 -.-> M2
+    N1 -.-> M2
+    M2 -.-> N3
+    style S1 fill:#FFF9C4,stroke:#FFEB3B
+    style S2 fill:#F5F5DC,stroke:#BCB88A
+    style M0 fill:#E8EAF6,stroke:#7986CB
+    style M1 fill:#E8EAF6,stroke:#7986CB
+    style M2 fill:#F5F5DC,stroke:#BCB88A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_432.txt b/train/mermaid/hard/mermaid_432.txt
new file mode 100644
index 0000000000000000000000000000000000000000..732c1b6f895c060b97c4de19e98915f493970712
--- /dev/null
+++ b/train/mermaid/hard/mermaid_432.txt
@@ -0,0 +1,35 @@
+<Advanced Materials Research, connectedTo, end>
+<Atomic Force Microscopy, connectedTo, Molecular Self_Assembly>
+<Atomic Force Microscopy, partOf, Energy Storage Applications>
+<Bio_Nanotechnology Interface, connectedTo, Carbon Nanotube Synthesis>
+<Bio_Nanotechnology Interface, connectedTo, Public Perception of Nanotechnology>
+<Biosensors, connectedTo, Atomic Force Microscopy>
+<Biosensors, connectedTo, Nanocomposites>
+<Carbon Nanotube Synthesis, connectedTo, Risk Assessment of Nanomaterials>
+<Carbon Nanotube Synthesis, connectedTo, Transmission Electron Microscopy>
+<Carbon Nanotube Synthesis, connectedTo, end>
+<Food Packaging Improvement, connectedTo, Graphene Production>
+<Graphene Production, connectedTo, Nanocoatings>
+<Lab_on_a_Chip Devices, connectedTo, Nanocoatings>
+<Lab_on_a_Chip Devices, partOf, Energy Storage Applications>
+<Molecular Self_Assembly, connectedTo, Lab_on_a_Chip Devices>
+<Molecular Self_Assembly, partOf, Energy Storage Applications>
+<Nanocoatings, connectedTo, Advanced Materials Research>
+<Nanocomposites, connectedTo, Bio_Nanotechnology Interface>
+<Nanomedicine Development, connectedTo, Public Perception of Nanotechnology>
+<Nanomedicine Development, connectedTo, Quantum Computing Integration>
+<Nanomedicine Development, connectedTo, end>
+<Public Perception of Nanotechnology, modifies, Spintronics>
+<Quantum Computing Integration, connectedTo, Public Perception of Nanotechnology>
+<Quantum Computing Integration, connectedTo, Regulatory Framework for Nanotech>
+<Regulatory Framework for Nanotech, connectedTo, Biosensors>
+<Regulatory Framework for Nanotech, connectedTo, Spintronics>
+<Regulatory Framework for Nanotech, connectedTo, end>
+<Risk Assessment of Nanomaterials, connectedTo, Spectroscopy>
+<Risk Assessment of Nanomaterials, partOf, Nanofabrication Techniques>
+<Spectroscopy, connectedTo, Bio_Nanotechnology Interface>
+<Spectroscopy, partOf, Nanofabrication Techniques>
+<Spintronics, connectedTo, Food Packaging Improvement>
+<Transmission Electron Microscopy, connectedTo, Public Perception of Nanotechnology>
+<Transmission Electron Microscopy, connectedTo, end>
+<Transmission Electron Microscopy, optimizes, Spintronics>
diff --git a/train/mermaid/hard/mermaid_433.mmd b/train/mermaid/hard/mermaid_433.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f721d693e7f39e0765d14de94c73826dddcde257
--- /dev/null
+++ b/train/mermaid/hard/mermaid_433.mmd
@@ -0,0 +1,128 @@
+graph TD
+    N0([Quantum Machine Learning])
+    N1([Quantum Computing in Drug Discovery])
+    N2[[Quantum Circuit Design]]
+    N3[/Quantum Hardware Control/]
+    N4(Quantum Programming Languages)
+    N5{Quantum Communication Protocols}
+    N6(Quantum Cryptography)
+    N7[Cryogenic Systems for Qubits]
+    N8{Quantum Processor Fabrication}
+    N9[Quantum Error Correction]
+    N10{Quantum Cloud Computing Services}
+    N11[(Quantum Sensing)]
+    N12[Quantum Computing Education]
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Decoherence Mitigation
+        nest0_0{Quantum Entanglement Generation}
+        nest0_1[Superconducting Qubits]
+    end
+    subgraph Quantum Network Development
+        nest1_0(Quantum Software Development Kit)
+        nest1_1{Quantum Annealing}
+        nest1_2{Quantum Algorithm Development}
+        nest1_3(Quantum Bit Design)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    N9 --> nest0_0
+    nest0_1 -.-> N6
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N4 -.-> nest1_0
+    nest1_3 -.-> N5
+    N1 -.-> S0
+    S0 --> N11
+    S0 --> N7
+    S0 -.-> N12
+    N6 -.-> S2
+    S2 -.-> N11
+    S2 -.-> |innovates| N8
+    N1 --> M0
+    N8 -.-> M0
+    M0 --> N11
+    N0 --> M1
+    N2 -.-> M1
+    N1 -.-> M1
+    M1 --> N9
+    N4 -.-> M2
+    N5 -.-> M2
+    M2 --> N8
+    style N0 fill:#FFE88D,stroke:#FFDA4E
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#ECEFF1,stroke:#90A4AE
+    style N3 fill:#ECEFF1,stroke:#90A4AE
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#ECEFF1,stroke:#90A4AE
+    style N7 fill:#ECEFF1,stroke:#90A4AE
+    style N8 fill:#ECEFF1,stroke:#90A4AE
+    style N9 fill:#FFFDE7,stroke:#FFF176
+    style N10 fill:#ECEFF1,stroke:#90A4AE
+    style N11 fill:#FFFDE7,stroke:#FFF176
+    style N12 fill:#ECEFF1,stroke:#90A4AE
+    style S0 fill:#FFE88D,stroke:#FFDA4E
+    style S2 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#ECEFF1,stroke:#90A4AE
+    style M1 fill:#FFFDE7,stroke:#FFF176
+    style M2 fill:#ECEFF1,stroke:#90A4AE
+    style nest0_0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_1 fill:#FFFDE7,stroke:#FFF176
+    style nest1_0 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_1 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_2 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_3 fill:#ECEFF1,stroke:#90A4AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#90A4AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_435.mmd b/train/mermaid/hard/mermaid_435.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fec55a90156446048982547130862e44a24cfd0c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_435.mmd
@@ -0,0 +1,146 @@
+graph RL
+    N0([start])
+    N1{Quantum Bit Design}
+    N2[Quantum Advantage Demonstration]
+    N3(Quantum Algorithm Development)
+    N4[(Trapped Ion Qubits)]
+    N5{Laser Cooling for Ions}
+    N6[[Quantum Entanglement Generation]]
+    N7[Quantum Programming Languages]
+    N8[/Cryogenic Systems for Qubits/]
+    N9[[Interfacing Classical and Quantum Computers]]
+    N10[Quantum Supremacy Claims]
+    N11(Post_Quantum Cryptography)
+    N12[[Quantum Key Distribution]]
+    N13(Quantum Cryptography)
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Quantum Error Correction
+        nest0_0{Quantum Processor Fabrication}
+        nest0_1[[Superconducting Qubits]]
+    end
+    subgraph Quantum Machine Learning
+        nest1_0[(Quantum Sensing)]
+        nest1_1(Topological Qubits)
+        nest1_2([Quantum Computing Education])
+        nest1_3[(Material Science Simulations)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |controls| N4
+    N4 --> |applies| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> |innovates| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> |solves| N13
+    nest0_0 --> nest0_1
+    N1 -.-> nest0_0
+    nest0_1 -.-> N2
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N3 -.-> nest1_0
+    nest1_3 -.-> N6
+    N5 --> S0
+    S0 --> N12
+    S0 --> N10
+    S0 --> N8
+    S0 --> N9
+    N9 -.-> S1
+    S1 -.-> N12
+    S1 -.-> N13
+    S1 --> N11
+    N8 -.-> S2
+    S2 --> N12
+    S2 --> N13
+    S2 -.-> N11
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N3
+    N4 -.-> |integrates| M1
+    N7 --> |downloads| M1
+    M1 -.-> N10
+    N1 -.-> |encrypts| M2
+    N6 -.-> M2
+    N10 -.-> |debugs| M2
+    M2 -.-> N12
+    style N0 fill:#D3F7F9,stroke:#80DDEA
+    style N1 fill:#D3F7F9,stroke:#80DDEA
+    style N2 fill:#EDE7F6,stroke:#7E57C2
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#D1C4E9,stroke:#7E57C2
+    style N5 fill:#EDE7F6,stroke:#7E57C2
+    style N6 fill:#EDE7F6,stroke:#7E57C2
+    style N7 fill:#D3F7F9,stroke:#80DDEA
+    style N8 fill:#EDE7F6,stroke:#7E57C2
+    style N9 fill:#D3F7F9,stroke:#80DDEA
+    style N10 fill:#D3F7F9,stroke:#80DDEA
+    style N11 fill:#D1C4E9,stroke:#7E57C2
+    style N12 fill:#D3F7F9,stroke:#80DDEA
+    style N13 fill:#D3F7F9,stroke:#80DDEA
+    style S0 fill:#EDE7F6,stroke:#7E57C2
+    style S1 fill:#D1C4E9,stroke:#7E57C2
+    style S2 fill:#EDE7F6,stroke:#7E57C2
+    style M0 fill:#D1C4E9,stroke:#7E57C2
+    style M1 fill:#D3F7F9,stroke:#80DDEA
+    style M2 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_0 fill:#D3F7F9,stroke:#80DDEA
+    style nest0_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_0 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_2 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_3 fill:#D3F7F9,stroke:#80DDEA
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_443.mmd b/train/mermaid/hard/mermaid_443.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d3880e885d858457a67eba9d3896898745030dff
--- /dev/null
+++ b/train/mermaid/hard/mermaid_443.mmd
@@ -0,0 +1,107 @@
+graph BT
+    N0([start])
+    N1[Wearable AR Devices]
+    N2{Virtual Showrooms}
+    N3(Eye Tracking)
+    N4(Performance Optimization)
+    N5[(Headset Development)]
+    N6[/AR for Navigation/]
+    N7[Ethical Considerations in AR or VR]
+    N8{Industrial Maintenance Support}
+    N9[Tracking System Calibration]
+    N10[Field of View Optimization]
+    N11[(Augmented Reality App Development)]
+    N12[(Multiplayer Experience Design)]
+    N13(Mixed Reality Solutions)
+    N14([Facial Recognition in AR or VR])
+    N15(Environment Mapping)
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Gesture Recognition
+        nest0_0[/Training Simulations/]
+        nest0_1[Cloud_based AR or VR Rendering]
+    end
+    subgraph 3D Model Creation
+        nest1_0(Comfort and Ergonomics Design)
+        nest1_1[User Interface Design]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 --> N15
+    N15 -.-> |no| N16
+    nest0_0 --> nest0_1
+    N2 -.-> nest0_0
+    nest0_1 -.-> N4
+    nest1_0 -.-> nest1_1
+    N7 -.-> nest1_0
+    nest1_1 --> N7
+    N2 --> S0
+    S0 -.-> N9
+    S0 -.-> N10
+    S0 -.-> |no| N15
+    N0 -.-> S1
+    S1 --> N15
+    S1 -.-> N14
+    N3 -.-> M0
+    N2 -.-> |no| M0
+    N0 --> M0
+    M0 --> N6
+    N0 -.-> M1
+    N12 -.-> M1
+    M1 -.-> N16
+    style S0 fill:#FDFCEB,stroke:#EAEFA5
+    style S1 fill:#E6EE9C,stroke:#CDDC39
+    style M0 fill:#E6EE9C,stroke:#CDDC39
+    style M1 fill:#FDFCEB,stroke:#EAEFA5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#EAEFA5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_443.txt b/train/mermaid/hard/mermaid_443.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0faa73b1352e307dcdff3d960d126c52ab3e5cd4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_443.txt
@@ -0,0 +1,36 @@
+<AR for Navigation, connectedTo, Ethical Considerations in AR or VR>
+<Augmented Reality App Development, connectedTo, Multiplayer Experience Design>
+<Cloud_based AR or VR Rendering, connectedTo, Performance Optimization>
+<Cloud_based AR or VR Rendering, partOf, Gesture Recognition>
+<Comfort and Ergonomics Design, connectedTo, User Interface Design>
+<Comfort and Ergonomics Design, partOf, 3D Model Creation>
+<Environment Mapping, no, end>
+<Ethical Considerations in AR or VR, connectedTo, Comfort and Ergonomics Design>
+<Ethical Considerations in AR or VR, connectedTo, Industrial Maintenance Support>
+<Eye Tracking, connectedTo, AR for Navigation>
+<Eye Tracking, connectedTo, Performance Optimization>
+<Facial Recognition in AR or VR, connectedTo, Environment Mapping>
+<Field of View Optimization, connectedTo, Augmented Reality App Development>
+<Headset Development, no, AR for Navigation>
+<Industrial Maintenance Support, connectedTo, Tracking System Calibration>
+<Mixed Reality Solutions, connectedTo, Facial Recognition in AR or VR>
+<Multiplayer Experience Design, connectedTo, Mixed Reality Solutions>
+<Multiplayer Experience Design, connectedTo, end>
+<Performance Optimization, connectedTo, Headset Development>
+<Tracking System Calibration, connectedTo, Field of View Optimization>
+<Training Simulations, connectedTo, Cloud_based AR or VR Rendering>
+<Training Simulations, partOf, Gesture Recognition>
+<User Interface Design, connectedTo, Ethical Considerations in AR or VR>
+<User Interface Design, partOf, 3D Model Creation>
+<Virtual Showrooms, connectedTo, Eye Tracking>
+<Virtual Showrooms, connectedTo, Field of View Optimization>
+<Virtual Showrooms, connectedTo, Tracking System Calibration>
+<Virtual Showrooms, connectedTo, Training Simulations>
+<Virtual Showrooms, no, AR for Navigation>
+<Virtual Showrooms, no, Environment Mapping>
+<Wearable AR Devices, connectedTo, Virtual Showrooms>
+<start, connectedTo, AR for Navigation>
+<start, connectedTo, Environment Mapping>
+<start, connectedTo, Facial Recognition in AR or VR>
+<start, connectedTo, Wearable AR Devices>
+<start, connectedTo, end>
diff --git a/train/mermaid/hard/mermaid_446.mmd b/train/mermaid/hard/mermaid_446.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b7ae9bad78239f4e12a539fd21d6d6b2bf28962f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_446.mmd
@@ -0,0 +1,125 @@
+graph TD
+    N0([start])
+    N1[[Facial Recognition in AR or VR]]
+    N2([Mixed Reality Solutions])
+    N3[/Gesture Recognition/]
+    N4[[Medical Applications]]
+    N5([Latency Reduction])
+    N6(Industrial Maintenance Support)
+    N7{Remote Collaboration Tools}
+    N8[[User Experience Testing]]
+    N9[[Tracking System Calibration]]
+    N10([Ethical Considerations in AR or VR])
+    N11([Software Development Kit Integration])
+    N12{Educational Content Development}
+    N13(Headset Development)
+    N14([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Multiplayer Experience Design
+        nest0_0[Retail Experience Enhancement]
+        nest0_1[(3D Model Creation)]
+        nest0_2(Cloud_based AR or VR Rendering)
+        nest0_3[Neuro_VR Interfaces]
+    end
+    subgraph Augmented Reality App Development
+        nest1_0[/User Interface Design/]
+        nest1_1[/Spatial Audio Implementation/]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> N14
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N11 -.-> nest0_0
+    nest0_3 -.-> N9
+    nest1_0 --> nest1_1
+    N13 -.-> nest1_0
+    nest1_1 -.-> N6
+    N4 --> S0
+    S0 --> N8
+    S0 -.-> N12
+    S0 -.-> N14
+    S0 -.-> N6
+    N1 -.-> S1
+    S1 --> N7
+    S1 -.-> N9
+    S1 -.-> N8
+    N5 -.-> M0
+    N4 -.-> M0
+    N1 --> |yes| M0
+    N3 --> M0
+    M0 --> N7
+    N2 -.-> M1
+    N0 --> |yes| M1
+    N4 --> M1
+    M1 --> N6
+    N11 -.-> |no| M2
+    N8 --> M2
+    N10 -.-> M2
+    M2 --> N14
+    style S0 fill:#F1F8E9,stroke:#388E3C
+    style S1 fill:#DDCEDD,stroke:#AF56A6
+    style M0 fill:#F1F8E9,stroke:#388E3C
+    style M1 fill:#F1F8FF,stroke:#42A5F5
+    style M2 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_446.png b/train/mermaid/hard/mermaid_446.png
new file mode 100644
index 0000000000000000000000000000000000000000..7e5d32c08ff33286919c49633266953711763890
--- /dev/null
+++ b/train/mermaid/hard/mermaid_446.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fa6feade5b5abec0aadd1fa3b338f28062d74af8d4b4d38022ec47fb91dfa024
+size 662164
diff --git a/train/mermaid/hard/mermaid_451.mmd b/train/mermaid/hard/mermaid_451.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b449627c67fdc95c638edcd1a30414a35f189fb7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_451.mmd
@@ -0,0 +1,124 @@
+graph TD
+    N0([Physics Simulation])
+    N1(Game Publishing)
+    N2(Motion Capture)
+    N3[/Narrative Design/]
+    N4{Sound Design}
+    N5[[Network Code Optimization]]
+    N6[/Augmented Reality Gaming/]
+    N7[/Game Analytics/]
+    N8([Player Feedback Integration])
+    N9([Player Progression Systems])
+    N10[(User Experience Design)]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Game Engine Customization
+        nest0_0[(AI Behavior Programming)]
+        nest0_1{Programming}
+        nest0_2(PC Game Development)
+        nest0_3(Marketing and Promotion)
+    end
+    subgraph Console Game Development
+        nest1_0{Community Management}
+        nest1_1[Voice Acting]
+        nest1_2[/Art Direction/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N6 -.-> nest0_0
+    nest0_3 -.-> N8
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N7 --> nest1_0
+    nest1_2 --> N10
+    N0 --> S0
+    S0 -.-> N2
+    S0 --> N9
+    N3 --> S1
+    S1 --> N8
+    S1 --> N10
+    S1 --> N5
+    S1 --> N6
+    N4 -.-> M0
+    N2 --> M0
+    N1 --> M0
+    N3 --> M0
+    M0 --> N7
+    N5 -.-> M1
+    N3 --> M1
+    N4 -.-> M1
+    N1 --> M1
+    M1 --> N8
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#FCFCE7,stroke:#DCE775
+    style N7 fill:#FCFCE7,stroke:#DCE775
+    style N8 fill:#FCFCE7,stroke:#DCE775
+    style N9 fill:#E9F7E8,stroke:#6EB76D
+    style N10 fill:#E9F7E8,stroke:#6EB76D
+    style S0 fill:#E9F7E8,stroke:#6EB76D
+    style S1 fill:#FCFCE7,stroke:#DCE775
+    style M0 fill:#E9F7E8,stroke:#6EB76D
+    style M1 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_0 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_1 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_2 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_3 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_0 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_1 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_2 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_456.mmd b/train/mermaid/hard/mermaid_456.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8021376f06f1d5115b0d3c7cbbfca4a33ceca403
--- /dev/null
+++ b/train/mermaid/hard/mermaid_456.mmd
@@ -0,0 +1,110 @@
+graph LR
+    N0([start])
+    N1(Localization)
+    N2{Virtual Reality Gaming}
+    N3[Art Direction]
+    N4([Mobile Game Development])
+    N5[(Multiplayer Game Development)]
+    N6[Game Engine Customization]
+    N7{Programming}
+    N8[[In_Game Economy Design]]
+    N9[(Network Code Optimization)]
+    N10[(Game Analytics)]
+    N11[/Esports Event Organization/]
+    N12(Console Game Development)
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Marketing and Promotion
+        nest0_0[/AI Behavior Programming/]
+        nest0_1[/Level Design/]
+        nest0_2[Engine Development]
+        nest0_3[[Quality Assurance Testing]]
+    end
+    subgraph Player Feedback Integration
+        nest1_0(Asset Creation)
+        nest1_1([Game Publishing])
+        nest1_2[(Bug Fixing)]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |no| N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N8 --> nest0_0
+    nest0_3 --> N12
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N1 -.-> nest1_0
+    nest1_2 -.-> N10
+    N1 -.-> S0
+    S0 -.-> |no| N11
+    S0 -.-> N4
+    S0 --> N8
+    N0 --> S1
+    S1 --> N3
+    S1 --> |yes| N11
+    N1 --> S2
+    S2 -.-> N10
+    S2 -.-> N6
+    N1 -.-> M0
+    N0 -.-> M0
+    M0 --> N3
+    N0 --> M1
+    N2 --> M1
+    M1 -.-> N11
+    style S0 fill:#E6EE9C,stroke:#CDDC39
+    style S1 fill:#C5CAE9,stroke:#3F51B5
+    style S2 fill:#C9EFEC,stroke:#6FE1D5
+    style M0 fill:#C5CAE9,stroke:#3F51B5
+    style M1 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_460.png b/train/mermaid/hard/mermaid_460.png
new file mode 100644
index 0000000000000000000000000000000000000000..bff353e611a449b94d12a34cb5e516874ef486f4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_460.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a4476ae532440569ae65febcc1c5672270975e212e4fe53debb53e42fc52e56
+size 198463
diff --git a/train/mermaid/hard/mermaid_462.mmd b/train/mermaid/hard/mermaid_462.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f24f2416bf56b47d81b6ca8fbf1e0fdd9676dc58
--- /dev/null
+++ b/train/mermaid/hard/mermaid_462.mmd
@@ -0,0 +1,128 @@
+graph BT
+    N0([Music Therapy])
+    N1[/Performance/]
+    N2[Mixing]
+    N3([Instrumental Performance])
+    N4[/Record Label Operations/]
+    N5[[Copyright Management]]
+    N6[Fan Engagement Strategy]
+    N7[(Audio Engineering)]
+    N8{Streaming Platform Management}
+    N9(Artist Management)
+    N10[[Royalty Collection]]
+    N11[/Music Theory Analysis/]
+    N12[[A&R]]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Synthesizer Programming
+        nest0_0{Music Distribution}
+        nest0_1(Songwriting)
+        nest0_2[/Tour Management/]
+    end
+    subgraph Lyric Writing
+        nest1_0([Mastering])
+        nest1_1[Composition]
+        nest1_2[Music Festival Organization]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    nest0_0 -.-> |teaches| nest0_1
+    nest0_1 --> nest0_2
+    N7 -.-> nest0_0
+    nest0_2 -.-> N3
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N8 -.-> nest1_0
+    nest1_2 --> N4
+    N6 --> S0
+    S0 --> N12
+    S0 -.-> N8
+    S0 --> N11
+    N0 --> S1
+    S1 -.-> N2
+    S1 -.-> N6
+    S1 -.-> N3
+    N4 -.-> S2
+    S2 --> N9
+    S2 -.-> N7
+    N3 --> M0
+    N1 --> M0
+    M0 --> N10
+    N1 -.-> M2
+    N2 --> |markets| M2
+    M2 --> N4
+    style N0 fill:#FFFDE0,stroke:#FFF8A6
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#FFFDE0,stroke:#FFF8A6
+    style N3 fill:#FFFDE0,stroke:#FFF8A6
+    style N4 fill:#FFFDE0,stroke:#FFF8A6
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#FFF3E0,stroke:#FFA726
+    style N8 fill:#FFF3E0,stroke:#FFA726
+    style N9 fill:#FFFDE0,stroke:#FFF8A6
+    style N10 fill:#FFFDE0,stroke:#FFF8A6
+    style N11 fill:#FFF3E0,stroke:#FFA726
+    style N12 fill:#FFFDE0,stroke:#FFF8A6
+    style S0 fill:#E9F7E8,stroke:#6EB76D
+    style S1 fill:#FFF3E0,stroke:#FFA726
+    style S2 fill:#FFF3E0,stroke:#FFA726
+    style M0 fill:#FFFDE0,stroke:#FFF8A6
+    style M2 fill:#FFF3E0,stroke:#FFA726
+    style nest0_0 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_1 fill:#FFFDE0,stroke:#FFF8A6
+    style nest0_2 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_0 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_1 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_2 fill:#FFF3E0,stroke:#FFA726
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_465.mmd b/train/mermaid/hard/mermaid_465.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..48aacccba12fb30ef123df8c1292c61849dcf4b3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_465.mmd
@@ -0,0 +1,99 @@
+graph LR
+    N0([start])
+    N1([Visual Effects])
+    N2{Film Festival Submission}
+    N3(Virtual Production Techniques)
+    N4[/Set Construction/]
+    N5[[Marketing and Publicity]]
+    N6(Screenwriting Workshops)
+    N7[Casting]
+    N8[[Storyboarding]]
+    N9[Script Development]
+    N10[(Post_production Audio)]
+    N11[Art Direction]
+    N12[/Cinematography/]
+    N13[(Film Financing)]
+    N14([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Archiving and Preservation
+        nest0_0[(Costume Design)]
+        nest0_1{Crew Management}
+    end
+    subgraph Stunt Coordination
+        nest1_0[Budget Management]
+        nest1_1[(Color Grading)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |yes| N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    nest0_0 -.-> nest0_1
+    N4 --> nest0_0
+    nest0_1 -.-> N13
+    nest1_0 -.-> nest1_1
+    N1 -.-> |no| nest1_0
+    nest1_1 --> N3
+    N9 --> S0
+    S0 -.-> N12
+    S0 -.-> |yes| N13
+    N5 -.-> S1
+    S1 --> |no| N11
+    S1 --> N8
+    N5 --> S2
+    S2 -.-> N12
+    S2 --> N13
+    S2 --> N10
+    N1 --> M0
+    N0 --> M0
+    M0 --> N3
+    style S0 fill:#ECF0FD,stroke:#B8C0F5
+    style S1 fill:#E0F2F1,stroke:#4DB6AC
+    style S2 fill:#ECF0FD,stroke:#B8C0F5
+    style M0 fill:#D7CCC8,stroke:#795548
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_465.txt b/train/mermaid/hard/mermaid_465.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d528c0a9fd0e5680f5567fed832fdc33ed6ad3d7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_465.txt
@@ -0,0 +1,33 @@
+<Art Direction, connectedTo, Cinematography>
+<Budget Management, connectedTo, Color Grading>
+<Budget Management, partOf, Stunt Coordination>
+<Casting, connectedTo, Storyboarding>
+<Cinematography, connectedTo, Film Financing>
+<Color Grading, connectedTo, Virtual Production Techniques>
+<Color Grading, partOf, Stunt Coordination>
+<Costume Design, connectedTo, Crew Management>
+<Costume Design, partOf, Archiving and Preservation>
+<Crew Management, connectedTo, Film Financing>
+<Crew Management, partOf, Archiving and Preservation>
+<Film Festival Submission, connectedTo, Virtual Production Techniques>
+<Film Financing, connectedTo, end>
+<Marketing and Publicity, connectedTo, Cinematography>
+<Marketing and Publicity, connectedTo, Film Financing>
+<Marketing and Publicity, connectedTo, Post_production Audio>
+<Marketing and Publicity, connectedTo, Storyboarding>
+<Marketing and Publicity, no, Art Direction>
+<Marketing and Publicity, no, Screenwriting Workshops>
+<Post_production Audio, connectedTo, Art Direction>
+<Screenwriting Workshops, connectedTo, Casting>
+<Script Development, connectedTo, Cinematography>
+<Script Development, connectedTo, Post_production Audio>
+<Script Development, yes, Film Financing>
+<Set Construction, connectedTo, Costume Design>
+<Set Construction, connectedTo, Marketing and Publicity>
+<Storyboarding, yes, Script Development>
+<Virtual Production Techniques, connectedTo, Set Construction>
+<Visual Effects, connectedTo, Film Festival Submission>
+<Visual Effects, connectedTo, Virtual Production Techniques>
+<Visual Effects, no, Budget Management>
+<start, connectedTo, Virtual Production Techniques>
+<start, connectedTo, Visual Effects>
diff --git a/train/mermaid/hard/mermaid_469.png b/train/mermaid/hard/mermaid_469.png
new file mode 100644
index 0000000000000000000000000000000000000000..8d5579c558fb45c4c4bd783dfd25bc8275db6af6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_469.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b705505b3685da4859f83cbec32d07a9f7ea76a91738ea5c72b422163e380e46
+size 128752
diff --git a/train/mermaid/hard/mermaid_469.txt b/train/mermaid/hard/mermaid_469.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c438b24e1b3bc600d27d8dde06791d158feda9db
--- /dev/null
+++ b/train/mermaid/hard/mermaid_469.txt
@@ -0,0 +1,34 @@
+<Audience Research, connectedTo, Color Grading>
+<Audience Research, partOf, Directing>
+<Budget Management, connectedTo, Screenwriting Workshops>
+<Budget Management, connectedTo, Tax Incentive Management>
+<Cinematography, connectedTo, Budget Management>
+<Cinematography, connectedTo, Film Festival Submission>
+<Cinematography, connectedTo, Location Scouting>
+<Color Grading, connectedTo, Script Development>
+<Color Grading, yes, Makeup and Hair Design>
+<Crew Management, connectedTo, Distribution Strategy>
+<Distribution Strategy, connectedTo, Storyboarding>
+<Film Festival Submission, yes, end>
+<Film Financing, connectedTo, Sound Recording>
+<Film Financing, partOf, Virtual Production Techniques>
+<Lighting Design, no, Audience Research>
+<Lighting Design, partOf, Directing>
+<Location Scouting, connectedTo, Set Construction>
+<Makeup and Hair Design, connectedTo, Cinematography>
+<Makeup and Hair Design, connectedTo, Film Financing>
+<Marketing and Publicity, connectedTo, Crew Management>
+<Marketing and Publicity, connectedTo, Lighting Design>
+<Remote Collaboration Tools, connectedTo, Film Festival Submission>
+<Screenwriting Workshops, connectedTo, Talent Negotiation>
+<Script Development, connectedTo, Makeup and Hair Design>
+<Script Development, yes, Cinematography>
+<Set Construction, connectedTo, Budget Management>
+<Sound Recording, connectedTo, Budget Management>
+<Sound Recording, partOf, Virtual Production Techniques>
+<Storyboarding, connectedTo, Remote Collaboration Tools>
+<Talent Negotiation, connectedTo, Tax Incentive Management>
+<Tax Incentive Management, no, Marketing and Publicity>
+<start, connectedTo, Cinematography>
+<start, connectedTo, Color Grading>
+<start, connectedTo, Makeup and Hair Design>
diff --git a/train/mermaid/hard/mermaid_47.mmd b/train/mermaid/hard/mermaid_47.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..080f765cafe2ddd3350585c0c5d6e80b60e20d01
--- /dev/null
+++ b/train/mermaid/hard/mermaid_47.mmd
@@ -0,0 +1,138 @@
+graph TD
+    N0([Schedule Generation])
+    N1[[Security Check]]
+    N2[[Incident Report]]
+    N3[[Luggage Handling]]
+    N4{Passenger Feedback}
+    N5[(Public Transport Ticketing)]
+    N6(Vehicle Assignment)
+    N7[/Weather Impact Assessment/]
+    N8[/Traffic Monitoring/]
+    N9{Customs Clearance}
+    N10[Road Network Management]
+    N11(Route Optimization)
+    N12[[Route Diversion]]
+    N13[[Parking Management]]
+    N14[(Intermodal Transfer)]
+    N15(Electric Vehicle Charging)
+    N16([Tunnel Monitoring])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Emergency Landing
+        nest0_0([Passenger Boarding Pass Issuance])
+        nest0_1[Ticket Purchase]
+    end
+    subgraph Bus Stop Management
+        nest1_0[Cargo Loading]
+        nest1_1[/Driver Allocation/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> |communicates| N16
+    nest0_0 -.-> nest0_1
+    N6 -.-> nest0_0
+    nest0_1 -.-> N2
+    nest1_0 --> nest1_1
+    N15 -.-> nest1_0
+    nest1_1 -.-> N7
+    N9 -.-> S0
+    S0 -.-> N13
+    S0 -.-> N15
+    S0 --> N14
+    N6 -.-> S1
+    S1 --> N13
+    S1 --> N8
+    N1 --> M0
+    N0 -.-> M0
+    M0 -.-> N3
+    N9 -.-> M1
+    N1 --> M1
+    N11 -.-> M1
+    M1 --> N15
+    N4 -.-> M2
+    N6 -.-> M2
+    N0 -.-> M2
+    M2 -.-> N9
+    style N0 fill:#FFFDE0,stroke:#FFF8A6
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#FFFDE0,stroke:#FFF8A6
+    style N4 fill:#FFFAE0,stroke:#FFE470
+    style N5 fill:#FDFCEB,stroke:#EAEFA5
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#FDFCEB,stroke:#EAEFA5
+    style N8 fill:#FDFCEB,stroke:#EAEFA5
+    style N9 fill:#FFFAE0,stroke:#FFE470
+    style N10 fill:#FFFAE0,stroke:#FFE470
+    style N11 fill:#FFFAE0,stroke:#FFE470
+    style N12 fill:#FFFAE0,stroke:#FFE470
+    style N13 fill:#FFFAE0,stroke:#FFE470
+    style N14 fill:#FFFDE0,stroke:#FFF8A6
+    style N15 fill:#FFFDE0,stroke:#FFF8A6
+    style N16 fill:#FFFDE0,stroke:#FFF8A6
+    style S0 fill:#FFFDE0,stroke:#FFF8A6
+    style S1 fill:#FDFCEB,stroke:#EAEFA5
+    style M0 fill:#FFFAE0,stroke:#FFE470
+    style M1 fill:#FFFDE0,stroke:#FFF8A6
+    style M2 fill:#FFFAE0,stroke:#FFE470
+    style nest0_0 fill:#FFFDE0,stroke:#FFF8A6
+    style nest0_1 fill:#FFFAE0,stroke:#FFE470
+    style nest1_0 fill:#FDFCEB,stroke:#EAEFA5
+    style nest1_1 fill:#FDFCEB,stroke:#EAEFA5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#EAEFA5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_47.txt b/train/mermaid/hard/mermaid_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ee32e845ec5a86ecdbddba8b565339a17395824
--- /dev/null
+++ b/train/mermaid/hard/mermaid_47.txt
@@ -0,0 +1,38 @@
+<Cargo Loading, connectedTo, Driver Allocation>
+<Cargo Loading, partOf, Bus Stop Management>
+<Customs Clearance, connectedTo, Electric Vehicle Charging>
+<Customs Clearance, connectedTo, Intermodal Transfer>
+<Customs Clearance, connectedTo, Parking Management>
+<Customs Clearance, connectedTo, Road Network Management>
+<Driver Allocation, connectedTo, Weather Impact Assessment>
+<Driver Allocation, partOf, Bus Stop Management>
+<Electric Vehicle Charging, communicates, Tunnel Monitoring>
+<Electric Vehicle Charging, connectedTo, Cargo Loading>
+<Incident Report, connectedTo, Luggage Handling>
+<Intermodal Transfer, connectedTo, Electric Vehicle Charging>
+<Luggage Handling, connectedTo, Passenger Feedback>
+<Parking Management, connectedTo, Intermodal Transfer>
+<Passenger Boarding Pass Issuance, connectedTo, Ticket Purchase>
+<Passenger Boarding Pass Issuance, partOf, Emergency Landing>
+<Passenger Feedback, connectedTo, Customs Clearance>
+<Passenger Feedback, connectedTo, Public Transport Ticketing>
+<Public Transport Ticketing, connectedTo, Vehicle Assignment>
+<Road Network Management, connectedTo, Route Optimization>
+<Route Diversion, connectedTo, Parking Management>
+<Route Optimization, connectedTo, Electric Vehicle Charging>
+<Route Optimization, connectedTo, Route Diversion>
+<Schedule Generation, connectedTo, Customs Clearance>
+<Schedule Generation, connectedTo, Luggage Handling>
+<Schedule Generation, connectedTo, Security Check>
+<Security Check, connectedTo, Electric Vehicle Charging>
+<Security Check, connectedTo, Incident Report>
+<Security Check, connectedTo, Luggage Handling>
+<Ticket Purchase, connectedTo, Incident Report>
+<Ticket Purchase, partOf, Emergency Landing>
+<Traffic Monitoring, connectedTo, Customs Clearance>
+<Vehicle Assignment, connectedTo, Customs Clearance>
+<Vehicle Assignment, connectedTo, Parking Management>
+<Vehicle Assignment, connectedTo, Passenger Boarding Pass Issuance>
+<Vehicle Assignment, connectedTo, Traffic Monitoring>
+<Vehicle Assignment, connectedTo, Weather Impact Assessment>
+<Weather Impact Assessment, connectedTo, Traffic Monitoring>
diff --git a/train/mermaid/hard/mermaid_470.txt b/train/mermaid/hard/mermaid_470.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1101ef1278838d4b7ed95e396bc77e7f3494a552
--- /dev/null
+++ b/train/mermaid/hard/mermaid_470.txt
@@ -0,0 +1,41 @@
+<Casting, connectedTo, Cinematography>
+<Casting, connectedTo, Digital Asset Management>
+<Casting, connectedTo, Directing>
+<Casting, connectedTo, Insurance Management>
+<Casting, connectedTo, Pre_production Planning>
+<Casting, connectedTo, Visual Effects>
+<Cinematography, connectedTo, Green Production Practices>
+<Directing, connectedTo, Cinematography>
+<Directing, connectedTo, Visual Effects>
+<Editing, connectedTo, Script Development>
+<Editing, partOf, Storyboarding>
+<Film Financing, connectedTo, Editing>
+<Film Financing, partOf, Storyboarding>
+<Green Production Practices, connectedTo, Visual Effects>
+<Insurance Management, connectedTo, Digital Asset Management>
+<Insurance Management, connectedTo, Film Financing>
+<Insurance Management, connectedTo, Pre_production Planning>
+<Insurance Management, connectedTo, Production Accounting>
+<Makeup and Hair Design, connectedTo, Set Construction>
+<Makeup and Hair Design, partOf, Distribution Strategy>
+<Marketing and Publicity, connectedTo, Digital Asset Management>
+<Marketing and Publicity, partOf, Distribution Strategy>
+<Pre_production Planning, connectedTo, Digital Asset Management>
+<Pre_production Planning, connectedTo, Production Accounting>
+<Production Accounting, connectedTo, Digital Asset Management>
+<Production Accounting, connectedTo, Makeup and Hair Design>
+<Screenwriting Workshops, connectedTo, Digital Asset Management>
+<Screenwriting Workshops, connectedTo, Insurance Management>
+<Script Development, connectedTo, Sound Recording>
+<Script Development, partOf, Storyboarding>
+<Set Construction, connectedTo, Tax Incentive Management>
+<Set Construction, partOf, Distribution Strategy>
+<Sound Recording, connectedTo, Insurance Management>
+<Sound Recording, partOf, Storyboarding>
+<Special Effects, connectedTo, Digital Asset Management>
+<Special Effects, connectedTo, Insurance Management>
+<Special Effects, connectedTo, Production Accounting>
+<Special Effects, connectedTo, Screenwriting Workshops>
+<Tax Incentive Management, connectedTo, Marketing and Publicity>
+<Tax Incentive Management, partOf, Distribution Strategy>
+<Visual Effects, connectedTo, Special Effects>
diff --git a/train/mermaid/hard/mermaid_471.png b/train/mermaid/hard/mermaid_471.png
new file mode 100644
index 0000000000000000000000000000000000000000..d26c09985daa1343f527d63a1b9c7163d0c6309c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_471.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b863286ae112d789585f3f1907de4424082e4192faf40d183c5c75bf16dcd822
+size 557369
diff --git a/train/mermaid/hard/mermaid_472.png b/train/mermaid/hard/mermaid_472.png
new file mode 100644
index 0000000000000000000000000000000000000000..d2b90bd4efd243a9be3ad21f5c694f2e6eed49b6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_472.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80d7a4670795dbc794d2141999e1038b0884fd011768864c2835b4bf1625126c
+size 447056
diff --git a/train/mermaid/hard/mermaid_473.png b/train/mermaid/hard/mermaid_473.png
new file mode 100644
index 0000000000000000000000000000000000000000..e3dd7f740485908428100311fe6310f83a78e957
--- /dev/null
+++ b/train/mermaid/hard/mermaid_473.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:af9478b72708c0d956113af1a8ee0ed9bf683a526a8d90e5c2a5e2806b7555e7
+size 342191
diff --git a/train/mermaid/hard/mermaid_475.mmd b/train/mermaid/hard/mermaid_475.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a7e758046648595b71f11afa963f50c5218373eb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_475.mmd
@@ -0,0 +1,134 @@
+graph LR
+    N0([Transcribing Audio or Video])
+    N1{Monetization Strategy}
+    N2[Audience Engagement]
+    N3[Audience Analysis]
+    N4{Newsletter Creation}
+    N5(Plagiarism Checking)
+    N6([Social Media Post Creation])
+    N7(User_Generated Content Curation)
+    N8[[Fact_Checking]]
+    N9(Content Localization)
+    N10[Keyword Research]
+    N11(Research and Outline)
+    N12(Copywriting)
+    N13{Interview Conduct}
+    N14([E_book Writing])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Content Management System Operation
+        nest0_0{Videography}
+        nest0_1[Influencer Collaboration]
+        nest0_2{Distribution Planning}
+    end
+    subgraph Animation
+        nest1_0(Blog Post Writing)
+        nest1_1(Call to Action Design)
+        nest1_2[[Photography]]
+    end
+    N0 --> |automates| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> |personalizes| N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N12 -.-> nest0_0
+    nest0_2 -.-> N6
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N12 --> nest1_0
+    nest1_2 -.-> N14
+    N6 -.-> S0
+    S0 --> N8
+    S0 --> N9
+    S0 --> N13
+    N10 -.-> S1
+    S1 --> N12
+    S1 --> N14
+    N10 --> S2
+    S2 --> N12
+    S2 --> N14
+    N7 --> M0
+    N2 -.-> |promotes| M0
+    M0 --> N12
+    N3 --> |supports| M1
+    N2 --> M1
+    M1 --> N6
+    style N0 fill:#EFE6FF,stroke:#C2B2F0
+    style N1 fill:#FFF8E1,stroke:#FFD54F
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#F6F6F6,stroke:#CFCFCF
+    style N4 fill:#EFE6FF,stroke:#C2B2F0
+    style N5 fill:#FFF8E1,stroke:#FFD54F
+    style N6 fill:#FFF8E1,stroke:#FFD54F
+    style N7 fill:#F6F6F6,stroke:#CFCFCF
+    style N8 fill:#FFF8E1,stroke:#FFD54F
+    style N9 fill:#F6F6F6,stroke:#CFCFCF
+    style N10 fill:#FFF8E1,stroke:#FFD54F
+    style N11 fill:#F6F6F6,stroke:#CFCFCF
+    style N12 fill:#FFF8E1,stroke:#FFD54F
+    style N13 fill:#F6F6F6,stroke:#CFCFCF
+    style N14 fill:#EFE6FF,stroke:#C2B2F0
+    style S0 fill:#F6F6F6,stroke:#CFCFCF
+    style S1 fill:#EFE6FF,stroke:#C2B2F0
+    style S2 fill:#F6F6F6,stroke:#CFCFCF
+    style M0 fill:#F6F6F6,stroke:#CFCFCF
+    style M1 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_2 fill:#FFF8E1,stroke:#FFD54F
+    style nest1_0 fill:#F6F6F6,stroke:#CFCFCF
+    style nest1_1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest1_2 fill:#FFF8E1,stroke:#FFD54F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#CFCFCF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_475.png b/train/mermaid/hard/mermaid_475.png
new file mode 100644
index 0000000000000000000000000000000000000000..d9d45db0c7717d4d4a71a487340785c45c6ee4bb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_475.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8788810ad9ee4db79c397362ac5ad1385cab3e675030a362b0ea6a88a60ac414
+size 176671
diff --git a/train/mermaid/hard/mermaid_476.mmd b/train/mermaid/hard/mermaid_476.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..01c0961005c26051610ea6666adcf1c42474655a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_476.mmd
@@ -0,0 +1,140 @@
+graph RL
+    N0([Graphic Design])
+    N1[/Live Streaming Content/]
+    N2[[Copywriting]]
+    N3[Social Media Post Creation]
+    N4[[Content Localization]]
+    N5([Videography])
+    N6[[Webinar Hosting]]
+    N7[(Distribution Planning)]
+    N8([Audio Recording])
+    N9[/Search Engine Optimization/]
+    N10([Research and Outline])
+    N11[(Influencer Collaboration)]
+    N12(Publishing)
+    N13[/Ideation and Brainstorming/]
+    N14[/Newsletter Creation/]
+    N15[/Content Strategy Development/]
+    N16([Content Repurposing])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Interview Conduct
+        nest0_0(Performance Tracking)
+        nest0_1[[E_book Writing]]
+        nest0_2(Transcribing Audio or Video)
+        nest0_3([Content Management System Operation])
+    end
+    subgraph Podcast Production
+        nest1_0[Call to Action Design]
+        nest1_1[/Branding/]
+        nest1_2[(Video Scripting)]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |moderates| N9
+    N9 --> N10
+    N10 --> |monetizes| N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 --> |writes| N16
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N11 --> nest0_0
+    nest0_3 --> N14
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N7 --> nest1_0
+    nest1_2 -.-> N8
+    N8 -.-> S0
+    S0 -.-> N13
+    S0 --> N15
+    N9 --> S1
+    S1 -.-> N11
+    S1 --> N14
+    S1 --> |animates| N12
+    N1 --> M1
+    N0 --> M1
+    M1 --> N3
+    N2 -.-> M2
+    N1 --> M2
+    N0 -.-> M2
+    M2 -.-> N4
+    style N0 fill:#F9FBE7,stroke:#C0CA33
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#D0E0F8,stroke:#4285F4
+    style N4 fill:#E9F7E8,stroke:#6EB76D
+    style N5 fill:#D0E0F8,stroke:#4285F4
+    style N6 fill:#F9FBE7,stroke:#C0CA33
+    style N7 fill:#F9FBE7,stroke:#C0CA33
+    style N8 fill:#D0E0F8,stroke:#4285F4
+    style N9 fill:#E9F7E8,stroke:#6EB76D
+    style N10 fill:#E9F7E8,stroke:#6EB76D
+    style N11 fill:#E9F7E8,stroke:#6EB76D
+    style N12 fill:#D0E0F8,stroke:#4285F4
+    style N13 fill:#D0E0F8,stroke:#4285F4
+    style N14 fill:#F9FBE7,stroke:#C0CA33
+    style N15 fill:#E9F7E8,stroke:#6EB76D
+    style N16 fill:#D0E0F8,stroke:#4285F4
+    style S0 fill:#D0E0F8,stroke:#4285F4
+    style S1 fill:#E9F7E8,stroke:#6EB76D
+    style M1 fill:#E9F7E8,stroke:#6EB76D
+    style M2 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_0 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_1 fill:#D0E0F8,stroke:#4285F4
+    style nest0_2 fill:#D0E0F8,stroke:#4285F4
+    style nest0_3 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_0 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_1 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_2 fill:#F9FBE7,stroke:#C0CA33
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#4285F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_481.mmd b/train/mermaid/hard/mermaid_481.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7d816dd09a68805f76cc14fd45cfc1333ccc06d5
--- /dev/null
+++ b/train/mermaid/hard/mermaid_481.mmd
@@ -0,0 +1,148 @@
+graph RL
+    N0([Data Collection])
+    N1[/Web Analytics/]
+    N2(Prescriptive Analytics)
+    N3[[Healthcare Data Analysis]]
+    N4[Statistical Modeling]
+    N5[(Sales Performance Analysis)]
+    N6{Sentiment Analysis}
+    N7[/Business User Training on Analytics/]
+    N8(Customer Analytics)
+    N9[Natural Language Processing for Data]
+    N10[Data Security Best Practices]
+    N11([Text Analytics])
+    N12([Marketing Campaign Analysis])
+    N13(Geospatial Analysis)
+    N14[(Operational Efficiency Metrics)]
+    N15([Data Warehouse Design])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Report Generation
+        nest0_0(Data Pipeline Development)
+        nest0_1[A or B Testing Analysis]
+    end
+    subgraph Social Media Analytics
+        nest1_0[Real_time Analytics]
+        nest1_1([Data Transformation])
+        nest1_2([ETL Process Management])
+        nest1_3{Machine Learning Integration}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> |visualizes| N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    N13 --> nest0_0
+    nest0_1 -.-> N3
+    nest1_0 -.-> nest1_1
+    nest1_1 --> |optimizes| nest1_2
+    nest1_2 -.-> nest1_3
+    N13 -.-> nest1_0
+    nest1_3 -.-> N10
+    N4 --> S0
+    S0 -.-> N11
+    S0 --> N15
+    N4 --> S1
+    S1 -.-> N12
+    S1 --> N9
+    S1 -.-> N14
+    S1 -.-> N8
+    N1 -.-> M0
+    N0 -.-> M0
+    M0 -.-> N5
+    N5 -.-> M1
+    N8 -.-> M1
+    N1 --> M1
+    N2 -.-> M1
+    M1 -.-> N13
+    N9 -.-> M2
+    N6 --> M2
+    N11 -.-> M2
+    N8 --> M2
+    M2 --> N13
+    style N0 fill:#F9FBE7,stroke:#DCE775
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#F8BBD0,stroke:#E91E63
+    style N3 fill:#F9FBE7,stroke:#DCE775
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#FFCDD2,stroke:#F44336
+    style N8 fill:#FFCDD2,stroke:#F44336
+    style N9 fill:#F9FBE7,stroke:#DCE775
+    style N10 fill:#F9FBE7,stroke:#DCE775
+    style N11 fill:#F9FBE7,stroke:#DCE775
+    style N12 fill:#F9FBE7,stroke:#DCE775
+    style N13 fill:#FFCDD2,stroke:#F44336
+    style N14 fill:#F8BBD0,stroke:#E91E63
+    style N15 fill:#FFCDD2,stroke:#F44336
+    style S0 fill:#F8BBD0,stroke:#E91E63
+    style S1 fill:#F8BBD0,stroke:#E91E63
+    style M0 fill:#F9FBE7,stroke:#DCE775
+    style M1 fill:#F8BBD0,stroke:#E91E63
+    style M2 fill:#F8BBD0,stroke:#E91E63
+    style nest0_0 fill:#F9FBE7,stroke:#DCE775
+    style nest0_1 fill:#FFCDD2,stroke:#F44336
+    style nest1_0 fill:#FFCDD2,stroke:#F44336
+    style nest1_1 fill:#F9FBE7,stroke:#DCE775
+    style nest1_2 fill:#F9FBE7,stroke:#DCE775
+    style nest1_3 fill:#FFCDD2,stroke:#F44336
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_482.png b/train/mermaid/hard/mermaid_482.png
new file mode 100644
index 0000000000000000000000000000000000000000..77aa1834e6292bde030aac2ea7b16f0f0f948a3b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_482.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:faa5c6367af954028a677f26f357cda5f4fa2d4af7cc88cd453a5968e4a2572b
+size 368039
diff --git a/train/mermaid/hard/mermaid_484.txt b/train/mermaid/hard/mermaid_484.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a28e53f26369f5971596deb8333061bba7bd8b9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_484.txt
@@ -0,0 +1,35 @@
+<A or B Testing Analysis, connectedTo, Cloud_based Data Platforms>
+<A or B Testing Analysis, connectedTo, Data Mining>
+<A or B Testing Analysis, connectedTo, Data Security Best Practices>
+<A or B Testing Analysis, connectedTo, Time Series Forecasting>
+<Business User Training on Analytics, connectedTo, Data Security Best Practices>
+<Cloud_based Data Platforms, connectedTo, Data Cleaning>
+<Cloud_based Data Platforms, connectedTo, Data Security Best Practices>
+<Cloud_based Data Platforms, connectedTo, Data Transformation>
+<Data Cleaning, connectedTo, Data Quality Assurance>
+<Data Cleaning, partOf, Exploratory Data Analysis>
+<Data Mining, connectedTo, Data Security Best Practices>
+<Data Mining, discovers, Report Generation>
+<Data Mining, queries, Cloud_based Data Platforms>
+<Data Quality Assurance, connectedTo, Data Storytelling>
+<Data Quality Assurance, partOf, Exploratory Data Analysis>
+<Data Security Best Practices, connectedTo, Prescriptive Analytics>
+<Data Storytelling, connectedTo, Prescriptive Analytics>
+<Data Storytelling, partOf, Exploratory Data Analysis>
+<Data Transformation, connectedTo, Data Security Best Practices>
+<Data Transformation, connectedTo, Financial Data Analysis>
+<Data Transformation, connectedTo, Marketing Campaign Analysis>
+<Financial Data Analysis, connectedTo, HR Data Analytics>
+<Financial Data Analysis, partOf, ETL Process Management>
+<Geospatial Analysis, connectedTo, Natural Language Processing for Data>
+<HR Data Analytics, connectedTo, Text Analytics>
+<HR Data Analytics, partOf, ETL Process Management>
+<Marketing Campaign Analysis, connectedTo, Web Analytics>
+<Natural Language Processing for Data, connectedTo, Text Analytics>
+<Prescriptive Analytics, connectedTo, Geospatial Analysis>
+<Prescriptive Analytics, connectedTo, Natural Language Processing for Data>
+<Prescriptive Analytics, connectedTo, Text Analytics>
+<Report Generation, connectedTo, Cloud_based Data Platforms>
+<Time Series Forecasting, connectedTo, Cloud_based Data Platforms>
+<Time Series Forecasting, connectedTo, Data Mining>
+<Web Analytics, tracks, Business User Training on Analytics>
diff --git a/train/mermaid/hard/mermaid_487.mmd b/train/mermaid/hard/mermaid_487.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cf10d206f8d36b2dcbb840a75eafe91ce6f9ca16
--- /dev/null
+++ b/train/mermaid/hard/mermaid_487.mmd
@@ -0,0 +1,85 @@
+graph TD
+    N0([start])
+    N1[/Report Generation/]
+    N2[(Data Storytelling)]
+    N3(Data Warehouse Design)
+    N4(Statistical Modeling)
+    N5[/Sentiment Analysis/]
+    N6[(Text Analytics)]
+    N7[Business User Training on Analytics]
+    N8[Big Data Processing]
+    N9[(A or B Testing Analysis)]
+    N10(Data Cleaning)
+    N11([Exploratory Data Analysis])
+    N12([end])
+    S0(( ))
+    S2(( ))
+    M1(( ))
+    subgraph Predictive Analytics
+        nest0_0[Data Mining]
+        nest0_1[Marketing Campaign Analysis]
+    end
+    subgraph Data Pipeline Development
+        nest1_0[Supply Chain Analytics]
+        nest1_1[[Cloud_based Data Platforms]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |no| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    N3 --> nest0_0
+    nest0_1 --> N12
+    nest1_0 --> nest1_1
+    N5 --> nest1_0
+    nest1_1 -.-> |no| N9
+    N9 --> S0
+    S0 --> N11
+    S0 --> N12
+    N5 -.-> S2
+    S2 -.-> N7
+    S2 -.-> N11
+    N4 -.-> M1
+    N1 --> M1
+    N7 -.-> M1
+    M1 -.-> N10
+    style S0 fill:#FFE0B2,stroke:#FF9800
+    style S2 fill:#FFE88D,stroke:#FFDA4E
+    style M1 fill:#D3D7EB,stroke:#8C9EFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_488.mmd b/train/mermaid/hard/mermaid_488.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..83eeede1421fdaa14f1c4950c3aae688578ee1a0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_488.mmd
@@ -0,0 +1,122 @@
+graph BT
+    N0([Business User Training on Analytics])
+    N1([Data Quality Assurance])
+    N2[[Data Storytelling]]
+    N3(Data Warehouse Design)
+    N4{Time Series Forecasting}
+    N5[HR Data Analytics]
+    N6[/Data Transformation/]
+    N7(Social Media Analytics)
+    N8(Geospatial Analysis)
+    N9(Predictive Analytics)
+    N10[Data Security Best Practices]
+    N11[(Big Data Processing)]
+    N12(Data Cleaning)
+    N13([Text Analytics])
+    N14(Natural Language Processing for Data)
+    N15([Sentiment Analysis])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Marketing Campaign Analysis
+        nest0_0(Supply Chain Analytics)
+        nest0_1[Data Collection]
+        nest0_2[[Report Generation]]
+    end
+    subgraph Data Pipeline Development
+        nest1_0([Healthcare Data Analysis])
+        nest1_1{Statistical Modeling}
+        nest1_2{Data Visualization}
+    end
+    N0 --> |communicates| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |architects| N4
+    N4 --> |predicts| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> |cleans| N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 --> N15
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N5 --> nest0_0
+    nest0_2 -.-> N9
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N13 -.-> nest1_0
+    nest1_2 -.-> N2
+    N9 --> S0
+    S0 -.-> N12
+    S0 --> N11
+    N11 --> S1
+    S1 -.-> N13
+    S1 --> N14
+    S1 -.-> N15
+    N5 -.-> M1
+    N4 -.-> M1
+    M1 -.-> N15
+    style N0 fill:#D0E0F8,stroke:#4285F4
+    style N1 fill:#D0E0F8,stroke:#4285F4
+    style N2 fill:#D0E0F8,stroke:#4285F4
+    style N3 fill:#DFE7EB,stroke:#B0C5CD
+    style N4 fill:#DFE7EB,stroke:#B0C5CD
+    style N5 fill:#DFE7EB,stroke:#B0C5CD
+    style N6 fill:#DFE7EB,stroke:#B0C5CD
+    style N7 fill:#D0E0F8,stroke:#4285F4
+    style N8 fill:#DFE7EB,stroke:#B0C5CD
+    style N9 fill:#F0F4C3,stroke:#AED581
+    style N10 fill:#D0E0F8,stroke:#4285F4
+    style N11 fill:#D0E0F8,stroke:#4285F4
+    style N12 fill:#F0F4C3,stroke:#AED581
+    style N13 fill:#DFE7EB,stroke:#B0C5CD
+    style N14 fill:#DFE7EB,stroke:#B0C5CD
+    style N15 fill:#F0F4C3,stroke:#AED581
+    style S0 fill:#D0E0F8,stroke:#4285F4
+    style S1 fill:#F0F4C3,stroke:#AED581
+    style M1 fill:#F0F4C3,stroke:#AED581
+    style nest0_0 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_2 fill:#D0E0F8,stroke:#4285F4
+    style nest1_0 fill:#DFE7EB,stroke:#B0C5CD
+    style nest1_1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest1_2 fill:#DFE7EB,stroke:#B0C5CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4285F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_488.txt b/train/mermaid/hard/mermaid_488.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4868d75dec03512944924345ff0664c1705db950
--- /dev/null
+++ b/train/mermaid/hard/mermaid_488.txt
@@ -0,0 +1,36 @@
+<Big Data Processing, connectedTo, Data Cleaning>
+<Big Data Processing, connectedTo, Natural Language Processing for Data>
+<Big Data Processing, connectedTo, Sentiment Analysis>
+<Big Data Processing, connectedTo, Text Analytics>
+<Business User Training on Analytics, communicates, Data Quality Assurance>
+<Data Cleaning, connectedTo, Text Analytics>
+<Data Collection, connectedTo, Report Generation>
+<Data Collection, partOf, Marketing Campaign Analysis>
+<Data Quality Assurance, connectedTo, Data Storytelling>
+<Data Security Best Practices, connectedTo, Big Data Processing>
+<Data Storytelling, connectedTo, Data Warehouse Design>
+<Data Transformation, connectedTo, Social Media Analytics>
+<Data Visualization, connectedTo, Data Storytelling>
+<Data Visualization, partOf, Data Pipeline Development>
+<Data Warehouse Design, architects, Time Series Forecasting>
+<Geospatial Analysis, connectedTo, Predictive Analytics>
+<HR Data Analytics, connectedTo, Data Transformation>
+<HR Data Analytics, connectedTo, Sentiment Analysis>
+<HR Data Analytics, connectedTo, Supply Chain Analytics>
+<Healthcare Data Analysis, connectedTo, Statistical Modeling>
+<Healthcare Data Analysis, partOf, Data Pipeline Development>
+<Natural Language Processing for Data, connectedTo, Sentiment Analysis>
+<Predictive Analytics, cleans, Data Security Best Practices>
+<Predictive Analytics, connectedTo, Big Data Processing>
+<Predictive Analytics, connectedTo, Data Cleaning>
+<Report Generation, connectedTo, Predictive Analytics>
+<Report Generation, partOf, Marketing Campaign Analysis>
+<Social Media Analytics, connectedTo, Geospatial Analysis>
+<Statistical Modeling, connectedTo, Data Visualization>
+<Statistical Modeling, partOf, Data Pipeline Development>
+<Supply Chain Analytics, connectedTo, Data Collection>
+<Supply Chain Analytics, partOf, Marketing Campaign Analysis>
+<Text Analytics, connectedTo, Healthcare Data Analysis>
+<Text Analytics, connectedTo, Natural Language Processing for Data>
+<Time Series Forecasting, connectedTo, Sentiment Analysis>
+<Time Series Forecasting, predicts, HR Data Analytics>
diff --git a/train/mermaid/hard/mermaid_49.txt b/train/mermaid/hard/mermaid_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1dc68aa241d96c5513b565221e8f0da4bde0c9f2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_49.txt
@@ -0,0 +1,35 @@
+<Alert Dispatch, connectedTo, Battery Monitoring>
+<Alert Dispatch, innovates, Power Plant>
+<Battery Monitoring, regulates, Peak Shaving>
+<Demand Forecast, connectedTo, Geothermal Power>
+<Demand Forecast, partOf, Energy Trading>
+<Distributed Generation Management, connectedTo, Oil and Gas Exploration>
+<Geothermal Power, connectedTo, Oil and Gas Exploration>
+<Geothermal Power, partOf, Energy Trading>
+<Grid Balancing, connectedTo, Power Backup>
+<Grid Balancing, partOf, Regulatory Compliance>
+<Load Distribution, connectedTo, Power Backup>
+<Nuclear Reactor Control, connectedTo, Battery Monitoring>
+<Nuclear Reactor Control, connectedTo, Distributed Generation Management>
+<Nuclear Reactor Control, connectedTo, Load Distribution>
+<Nuclear Reactor Control, connectedTo, Peak Shaving>
+<Nuclear Reactor Control, connectedTo, Transmission Line Maintenance>
+<Peak Shaving, connectedTo, Distributed Generation Management>
+<Peak Shaving, connectedTo, Oil and Gas Exploration>
+<Peak Shaving, connectedTo, Usage Billing>
+<Power Backup, connectedTo, Battery Monitoring>
+<Power Backup, connectedTo, Distributed Generation Management>
+<Power Backup, connectedTo, Sensor Reading>
+<Power Backup, connectedTo, Usage Billing>
+<Power Backup, purchases, Battery Monitoring>
+<Power Plant, connectedTo, Battery Monitoring>
+<Power Plant, connectedTo, Demand Forecast>
+<Power Plant, connectedTo, Nuclear Reactor Control>
+<Sensor Reading, connectedTo, Battery Monitoring>
+<Smart Metering, connectedTo, Grid Balancing>
+<Smart Metering, partOf, Regulatory Compliance>
+<Transmission Line Maintenance, connectedTo, Smart Metering>
+<Transmission Line Maintenance, partOf, Regulatory Compliance>
+<Usage Billing, isolates, Distributed Generation Management>
+<start, connectedTo, Alert Dispatch>
+<start, connectedTo, Battery Monitoring>
diff --git a/train/mermaid/hard/mermaid_493.png b/train/mermaid/hard/mermaid_493.png
new file mode 100644
index 0000000000000000000000000000000000000000..a43307de2ca1dcd34915172be7338b47eb6a5ae8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_493.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f3ae362bb785c6fb60c110aff7b540ec6918606fe4e67ce4d5c07da5bbf66a2d
+size 210901
diff --git a/train/mermaid/hard/mermaid_496.png b/train/mermaid/hard/mermaid_496.png
new file mode 100644
index 0000000000000000000000000000000000000000..060debb9b74212035a95e075089b15f6f3e9f441
--- /dev/null
+++ b/train/mermaid/hard/mermaid_496.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d913ad87a3e33ee4fda6cff8d9027d2105cd817fd1f61e92b0b3957e5acde901
+size 231486
diff --git a/train/mermaid/hard/mermaid_496.txt b/train/mermaid/hard/mermaid_496.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0411f2439b483ff0a61fe186ceff9da7b3e96e4f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_496.txt
@@ -0,0 +1,31 @@
+<Competitive Analysis, connectedTo, Market Trend Analysis>
+<Competitive Analysis, partOf, Dashboard Design>
+<Customer Behavior Insights, connectedTo, ETL Development>
+<Data Lineage Tracking, connectedTo, Competitive Analysis>
+<Data Lineage Tracking, connectedTo, Risk Assessment Reporting>
+<Data Lineage Tracking, partOf, Dashboard Design>
+<Data Mart Design, connectedTo, Risk Assessment Reporting>
+<Data Quality Management, connectedTo, Data Lineage Tracking>
+<Data Quality Management, connectedTo, Mobile BI Development>
+<Data Warehousing, connectedTo, Regulatory Compliance Reporting>
+<Data Warehousing, partOf, Real_time BI Dashboards>
+<HR Analytics Dashboards, connectedTo, Risk Assessment Reporting>
+<HR Analytics Dashboards, partOf, Real_time BI Dashboards>
+<Market Trend Analysis, connectedTo, Prescriptive Analytics Implementation>
+<Market Trend Analysis, partOf, Dashboard Design>
+<Mobile BI Development, connectedTo, Prescriptive Analytics Implementation>
+<Operational Efficiency Measurement, connectedTo, Customer Behavior Insights>
+<Operational Efficiency Measurement, connectedTo, ETL Development>
+<Operational Efficiency Measurement, connectedTo, Prescriptive Analytics Implementation>
+<Operational Efficiency Measurement, visualizes, Data Quality Management>
+<Prescriptive Analytics Implementation, connectedTo, Customer Behavior Insights>
+<Regulatory Compliance Reporting, connectedTo, HR Analytics Dashboards>
+<Regulatory Compliance Reporting, partOf, Real_time BI Dashboards>
+<Risk Assessment Reporting, connectedTo, Self_Service BI Tools>
+<Self_Service BI Tools, connectedTo, Strategic Planning Support>
+<Strategic Planning Support, connectedTo, Data Quality Management>
+<Strategic Planning Support, connectedTo, Data Warehousing>
+<Strategic Planning Support, connectedTo, ETL Development>
+<Strategic Planning Support, connectedTo, Operational Efficiency Measurement>
+<Strategic Planning Support, connectedTo, Risk Assessment Reporting>
+<start, connectedTo, Data Mart Design>
diff --git a/train/mermaid/hard/mermaid_498.mmd b/train/mermaid/hard/mermaid_498.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0293fe96d6b5de475ab6589855701f3188635ce4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_498.mmd
@@ -0,0 +1,136 @@
+graph RL
+    N0([Search Engine Marketing])
+    N1(Marketing Analytics)
+    N2[Event Marketing]
+    N3[Customer Relationship Management]
+    N4([Promotional Campaigns])
+    N5[Social Media Marketing]
+    N6{Brand Reputation Management}
+    N7[/Email Marketing/]
+    N8[Conversion Rate Optimization]
+    N9{Customer Journey Mapping}
+    N10([Podcast Marketing])
+    N11(A or B Testing for Marketing)
+    N12{Marketing Budget Allocation}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Influencer Marketing
+        nest0_0[Public Relations]
+        nest0_1[[Telemarketing]]
+        nest0_2{Website Design and Optimization}
+        nest0_3[/Direct Mail Marketing/]
+    end
+    subgraph Content Marketing
+        nest1_0(Campaign Performance Tracking)
+        nest1_1(Lead Generation)
+        nest1_2[[Experiential Marketing]]
+        nest1_3[[Product Launch Strategy]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N9 -.-> nest0_0
+    nest0_3 --> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N6 --> nest1_0
+    nest1_3 -.-> N3
+    N7 -.-> S0
+    S0 -.-> N10
+    S0 --> N11
+    S0 -.-> N9
+    N3 -.-> S1
+    S1 --> N5
+    S1 -.-> N10
+    N1 --> S2
+    S2 -.-> N12
+    S2 -.-> N7
+    N0 -.-> M0
+    N2 --> M0
+    M0 --> N4
+    N3 -.-> M1
+    N4 --> M1
+    N6 -.-> |personalizes content| M1
+    M1 -.-> N10
+    style N0 fill:#B2EBF2,stroke:#00BCD4
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#E9F7E8,stroke:#6EB76D
+    style N4 fill:#E9F7E8,stroke:#6EB76D
+    style N5 fill:#E9F7E8,stroke:#6EB76D
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#B2EBF2,stroke:#00BCD4
+    style N8 fill:#E9F7E8,stroke:#6EB76D
+    style N9 fill:#ECCFF5,stroke:#CD8FF2
+    style N10 fill:#E9F7E8,stroke:#6EB76D
+    style N11 fill:#B2EBF2,stroke:#00BCD4
+    style N12 fill:#B2EBF2,stroke:#00BCD4
+    style S0 fill:#E9F7E8,stroke:#6EB76D
+    style S1 fill:#B2EBF2,stroke:#00BCD4
+    style S2 fill:#B2EBF2,stroke:#00BCD4
+    style M0 fill:#E9F7E8,stroke:#6EB76D
+    style M1 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_0 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_2 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_3 fill:#ECCFF5,stroke:#CD8FF2
+    style nest1_0 fill:#B2EBF2,stroke:#00BCD4
+    style nest1_1 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_2 fill:#E9F7E8,stroke:#6EB76D
+    style nest1_3 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_498.png b/train/mermaid/hard/mermaid_498.png
new file mode 100644
index 0000000000000000000000000000000000000000..4e1daf00ac10e4c9e3846c421eaf52f7897f282e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_498.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:88444c24001ac3c7c539a862ad207980233b9aad48cec9825b9cf7d3f1fa92df
+size 254798
diff --git a/train/mermaid/hard/mermaid_499.txt b/train/mermaid/hard/mermaid_499.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f0327cb6490c1128dc92c632d3f4152e26b99d0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_499.txt
@@ -0,0 +1,42 @@
+<Affiliate Marketing, connectedTo, Campaign Performance Tracking>
+<Campaign Performance Tracking, connectedTo, Telemarketing>
+<Conversion Rate Optimization, connectedTo, Distribution Channel Management>
+<Conversion Rate Optimization, partOf, Brand Reputation Management>
+<Customer Relationship Management, connectedTo, Lead Generation>
+<Customer Segmentation, connectedTo, Customer Relationship Management>
+<Distribution Channel Management, connectedTo, Market Research>
+<Distribution Channel Management, partOf, Brand Reputation Management>
+<Email Marketing, connectedTo, Campaign Performance Tracking>
+<Email Marketing, connectedTo, Customer Segmentation>
+<Email Marketing, connectedTo, Pricing Strategy>
+<Email Marketing, connectedTo, Social Media Marketing>
+<Experiential Marketing, connectedTo, Partnership Marketing>
+<Guerilla Marketing, connectedTo, Conversion Rate Optimization>
+<Guerilla Marketing, partOf, Brand Reputation Management>
+<Influencer Marketing, connectedTo, Remarketing Campaigns>
+<Influencer Marketing, partOf, Direct Mail Marketing>
+<Lead Generation, connectedTo, end>
+<Market Research, connectedTo, Lead Generation>
+<Market Research, partOf, Brand Reputation Management>
+<Marketing Analytics, connectedTo, Email Marketing>
+<Mobile Marketing, connectedTo, Podcast Marketing>
+<Mobile Marketing, connectedTo, Video Marketing>
+<Partnership Marketing, connectedTo, Guerilla Marketing>
+<Partnership Marketing, connectedTo, Social Media Marketing>
+<Podcast Marketing, connectedTo, Influencer Marketing>
+<Podcast Marketing, partOf, Direct Mail Marketing>
+<Pricing Strategy, connectedTo, Promotional Campaigns>
+<Product Launch Strategy, connectedTo, Customer Segmentation>
+<Product Launch Strategy, connectedTo, Marketing Analytics>
+<Promotional Campaigns, connectedTo, Affiliate Marketing>
+<Promotional Campaigns, connectedTo, Customer Segmentation>
+<Remarketing Campaigns, connectedTo, end>
+<Remarketing Campaigns, partOf, Direct Mail Marketing>
+<Social Media Marketing, connectedTo, Customer Relationship Management>
+<Social Media Marketing, connectedTo, Customer Segmentation>
+<Social Media Marketing, connectedTo, Lead Generation>
+<Social Media Marketing, connectedTo, Target Audience Identification>
+<Social Media Marketing, connectedTo, end>
+<Target Audience Identification, connectedTo, Customer Segmentation>
+<Telemarketing, connectedTo, Mobile Marketing>
+<Video Marketing, connectedTo, Experiential Marketing>
diff --git a/train/mermaid/hard/mermaid_50.png b/train/mermaid/hard/mermaid_50.png
new file mode 100644
index 0000000000000000000000000000000000000000..e3e684bbb085f316c96476b70009aa95d74b243d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_50.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a0fd8e52929c5ff88b9381a49b119422c8806e539899152afc215b1a9125bcd3
+size 426974
diff --git a/train/mermaid/hard/mermaid_502.txt b/train/mermaid/hard/mermaid_502.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7b56cb76904698ab04db697da6125bb83f04c721
--- /dev/null
+++ b/train/mermaid/hard/mermaid_502.txt
@@ -0,0 +1,43 @@
+<A or B Testing for Marketing, connectedTo, Competitive Analysis>
+<A or B Testing for Marketing, partOf, Marketing Automation>
+<Competitive Analysis, no, Website Design and Optimization>
+<Conversion Rate Optimization, no, Social Media Marketing>
+<Email Marketing, connectedTo, Competitive Analysis>
+<Email Marketing, connectedTo, Website Design and Optimization>
+<Guerilla Marketing, connectedTo, end>
+<Influencer Marketing, connectedTo, Mobile Marketing>
+<Influencer Marketing, connectedTo, Partnership Marketing>
+<Influencer Marketing, connectedTo, Social Media Marketing>
+<Influencer Marketing, connectedTo, Video Marketing>
+<Lead Generation, connectedTo, Email Marketing>
+<Lead Generation, connectedTo, Search Engine Optimization>
+<Lead Generation, connectedTo, Website Design and Optimization>
+<Loyalty Programs, connectedTo, Market Research>
+<Loyalty Programs, yes, Guerilla Marketing>
+<Market Research, connectedTo, A or B Testing for Marketing>
+<Market Research, partOf, Marketing Automation>
+<Marketing Analytics, connectedTo, Search Engine Optimization>
+<Marketing Budget Allocation, connectedTo, Website Design and Optimization>
+<Marketing Budget Allocation, partOf, Brand Strategy Development>
+<Mobile Marketing, connectedTo, Podcast Marketing>
+<Partnership Marketing, connectedTo, Marketing Budget Allocation>
+<Partnership Marketing, partOf, Brand Strategy Development>
+<Podcast Marketing, connectedTo, Product Launch Strategy>
+<Product Launch Strategy, connectedTo, Guerilla Marketing>
+<Product Launch Strategy, connectedTo, Loyalty Programs>
+<Product Launch Strategy, connectedTo, Social Media Marketing>
+<Product Launch Strategy, connectedTo, end>
+<Product Launch Strategy, yes, Conversion Rate Optimization>
+<Public Relations, connectedTo, Lead Generation>
+<Public Relations, connectedTo, Search Engine Optimization>
+<Public Relations, connectedTo, Website Design and Optimization>
+<Search Engine Optimization, connectedTo, Mobile Marketing>
+<Social Media Marketing, connectedTo, Loyalty Programs>
+<Social Media Marketing, connectedTo, end>
+<Social Media Marketing, yes, Guerilla Marketing>
+<Target Audience Identification, yes, Influencer Marketing>
+<Video Marketing, connectedTo, Marketing Analytics>
+<Website Design and Optimization, connectedTo, Search Engine Optimization>
+<Website Design and Optimization, connectedTo, Target Audience Identification>
+<start, connectedTo, Public Relations>
+<start, no, Website Design and Optimization>
diff --git a/train/mermaid/hard/mermaid_503.mmd b/train/mermaid/hard/mermaid_503.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0822fe1cbef09ad5e147b322530e8cbf8f9c8a51
--- /dev/null
+++ b/train/mermaid/hard/mermaid_503.mmd
@@ -0,0 +1,148 @@
+graph LR
+    N0([start])
+    N1(Affiliate Marketing)
+    N2([Event Marketing])
+    N3([Customer Segmentation])
+    N4(Direct Mail Marketing)
+    N5[Lead Generation]
+    N6[Brand Reputation Management]
+    N7{Video Marketing}
+    N8[[Market Research]]
+    N9(Customer Journey Mapping)
+    N10[(Marketing Budget Allocation)]
+    N11([A or B Testing for Marketing])
+    N12(Guerilla Marketing)
+    N13([Podcast Marketing])
+    N14[Telemarketing]
+    N15([Promotional Campaigns])
+    N16[Competitive Analysis]
+    N17[Search Engine Optimization]
+    N18([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Remarketing Campaigns
+        nest0_0(Pricing Strategy)
+        nest0_1([Distribution Channel Management])
+        nest0_2([Mobile Marketing])
+    end
+    subgraph Content Marketing
+        nest1_0[Public Relations]
+        nest1_1(Influencer Marketing)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 --> N16
+    N16 -.-> N17
+    N17 --> N18
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N11 -.-> nest0_0
+    nest0_2 --> N16
+    nest1_0 -.-> nest1_1
+    N12 --> nest1_0
+    nest1_1 -.-> |personalizes content| N11
+    N4 -.-> S0
+    S0 -.-> N18
+    S0 --> N10
+    S0 -.-> N9
+    S0 --> N15
+    N11 -.-> S1
+    S1 -.-> N13
+    S1 -.-> N14
+    S1 --> N15
+    S1 -.-> N18
+    N0 -.-> M0
+    N1 -.-> M0
+    N2 -.-> M0
+    N3 --> M0
+    M0 --> N5
+    N4 -.-> M1
+    N0 --> M1
+    M1 --> N12
+    style N0 fill:#C8E6C9,stroke:#4CAF50
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#D0EFEE,stroke:#73C6BC
+    style N3 fill:#D1C4E9,stroke:#7E57C2
+    style N4 fill:#D1C4E9,stroke:#7E57C2
+    style N5 fill:#D1C4E9,stroke:#7E57C2
+    style N6 fill:#D0EFEE,stroke:#73C6BC
+    style N7 fill:#D1C4E9,stroke:#7E57C2
+    style N8 fill:#C8E6C9,stroke:#4CAF50
+    style N9 fill:#D1C4E9,stroke:#7E57C2
+    style N10 fill:#C8E6C9,stroke:#4CAF50
+    style N11 fill:#D1C4E9,stroke:#7E57C2
+    style N12 fill:#D0EFEE,stroke:#73C6BC
+    style N13 fill:#C8E6C9,stroke:#4CAF50
+    style N14 fill:#D0EFEE,stroke:#73C6BC
+    style N15 fill:#D0EFEE,stroke:#73C6BC
+    style N16 fill:#C8E6C9,stroke:#4CAF50
+    style N17 fill:#D0EFEE,stroke:#73C6BC
+    style N18 fill:#D0EFEE,stroke:#73C6BC
+    style S0 fill:#D0EFEE,stroke:#73C6BC
+    style S1 fill:#D1C4E9,stroke:#7E57C2
+    style M0 fill:#D0EFEE,stroke:#73C6BC
+    style M1 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_0 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_1 fill:#C8E6C9,stroke:#4CAF50
+    style nest0_2 fill:#D0EFEE,stroke:#73C6BC
+    style nest1_0 fill:#C8E6C9,stroke:#4CAF50
+    style nest1_1 fill:#D1C4E9,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_504.txt b/train/mermaid/hard/mermaid_504.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e7494f85c8702b01386674b62e528e00548f01d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_504.txt
@@ -0,0 +1,41 @@
+<Campaign Performance Tracking, yes, Brand Strategy Development>
+<Competitive Analysis, connectedTo, Video Marketing>
+<Content Marketing, connectedTo, Podcast Marketing>
+<Conversion Rate Optimization, connectedTo, Product Launch Strategy>
+<Conversion Rate Optimization, partOf, Search Engine Optimization>
+<Customer Relationship Management, connectedTo, Competitive Analysis>
+<Customer Relationship Management, connectedTo, Marketing Automation>
+<Customer Segmentation, connectedTo, Marketing Automation>
+<Customer Segmentation, connectedTo, Mobile Marketing>
+<Event Marketing, no, Influencer Marketing>
+<Event Marketing, partOf, Remarketing Campaigns>
+<Experiential Marketing, connectedTo, Marketing Automation>
+<Experiential Marketing, connectedTo, Personalization Strategies>
+<Influencer Marketing, connectedTo, Podcast Marketing>
+<Influencer Marketing, partOf, Remarketing Campaigns>
+<Lead Generation, connectedTo, Podcast Marketing>
+<Lead Generation, partOf, Search Engine Optimization>
+<Market Research, connectedTo, Event Marketing>
+<Market Research, partOf, Remarketing Campaigns>
+<Marketing Automation, connectedTo, Campaign Performance Tracking>
+<Mobile Marketing, connectedTo, Brand Strategy Development>
+<Mobile Marketing, connectedTo, Campaign Performance Tracking>
+<Mobile Marketing, connectedTo, Competitive Analysis>
+<Mobile Marketing, connectedTo, Customer Relationship Management>
+<Mobile Marketing, connectedTo, Marketing Automation>
+<Partnership Marketing, connectedTo, Market Research>
+<Partnership Marketing, partOf, Remarketing Campaigns>
+<Personalization Strategies, connectedTo, Conversion Rate Optimization>
+<Personalization Strategies, connectedTo, Customer Segmentation>
+<Podcast Marketing, connectedTo, Experiential Marketing>
+<Podcast Marketing, connectedTo, Partnership Marketing>
+<Product Launch Strategy, connectedTo, Promotional Campaigns>
+<Product Launch Strategy, partOf, Search Engine Optimization>
+<Promotional Campaigns, connectedTo, Lead Generation>
+<Promotional Campaigns, partOf, Search Engine Optimization>
+<Target Audience Identification, no, Content Marketing>
+<Video Marketing, connectedTo, Campaign Performance Tracking>
+<Video Marketing, no, Brand Strategy Development>
+<Video Marketing, no, Marketing Automation>
+<start, connectedTo, Marketing Automation>
+<start, connectedTo, Target Audience Identification>
diff --git a/train/mermaid/hard/mermaid_508.mmd b/train/mermaid/hard/mermaid_508.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5d776988e68381743d1cb9e460b3795c661af5eb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_508.mmd
@@ -0,0 +1,120 @@
+graph BT
+    N0([start])
+    N1[/Landing Page Optimization/]
+    N2[Customer Acquisition Cost Analysis]
+    N3[/Outdoor Advertising/]
+    N4[Video Advertising]
+    N5[Programmatic Advertising]
+    N6[[Competitor Ad Analysis]]
+    N7[Television Advertising]
+    N8(Budget Management)
+    N9([Return on Ad Spend Calculation])
+    N10([Performance Tracking])
+    N11[Demographic Targeting]
+    N12(Ad Network Management)
+    N13[Search Engine Ads]
+    N14([Interactive Ad Formats])
+    N15(Fraud Detection in Ads)
+    N16[(Print Advertising)]
+    N17([Ad Creative Development])
+    N18[[Display Advertising]]
+    N19([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Ad Copywriting
+        nest0_0[(Digital Advertising)]
+        nest0_1[(Privacy Concerns in Ads)]
+        nest0_2[[Direct Response Campaigns]]
+        nest0_3[/Ad Platform Management/]
+    end
+    subgraph Brand Awareness Campaigns
+        nest1_0[[Audience Targeting]]
+        nest1_1[[Retargeting Campaigns]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 --> N16
+    N16 --> N17
+    N17 -.-> N18
+    N18 --> |no| N19
+    nest0_0 --> |no| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N11 -.-> nest0_0
+    nest0_3 --> N19
+    nest1_0 --> nest1_1
+    N10 --> nest1_0
+    nest1_1 -.-> N13
+    N16 --> S0
+    S0 --> N18
+    S0 --> N19
+    N5 -.-> S1
+    S1 -.-> N13
+    S1 --> N17
+    N2 --> M0
+    N4 -.-> M0
+    N0 -.-> M0
+    M0 -.-> N7
+    N13 -.-> M1
+    N2 -.-> |yes| M1
+    M1 -.-> N19
+    style S0 fill:#FFECB3,stroke:#FFC107
+    style S1 fill:#FFECB3,stroke:#FFC107
+    style M0 fill:#FFECB3,stroke:#FFC107
+    style M1 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#F7BEE0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_508.txt b/train/mermaid/hard/mermaid_508.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c6e33c235d1eb8d4f3ebefb8e50df1862553620
--- /dev/null
+++ b/train/mermaid/hard/mermaid_508.txt
@@ -0,0 +1,42 @@
+<Ad Creative Development, connectedTo, Display Advertising>
+<Ad Network Management, connectedTo, Search Engine Ads>
+<Ad Platform Management, connectedTo, end>
+<Ad Platform Management, partOf, Ad Copywriting>
+<Audience Targeting, connectedTo, Retargeting Campaigns>
+<Audience Targeting, partOf, Brand Awareness Campaigns>
+<Budget Management, connectedTo, Return on Ad Spend Calculation>
+<Competitor Ad Analysis, connectedTo, Television Advertising>
+<Customer Acquisition Cost Analysis, connectedTo, Outdoor Advertising>
+<Customer Acquisition Cost Analysis, connectedTo, Television Advertising>
+<Customer Acquisition Cost Analysis, yes, end>
+<Demographic Targeting, connectedTo, Ad Network Management>
+<Demographic Targeting, connectedTo, Digital Advertising>
+<Digital Advertising, no, Privacy Concerns in Ads>
+<Digital Advertising, partOf, Ad Copywriting>
+<Direct Response Campaigns, connectedTo, Ad Platform Management>
+<Direct Response Campaigns, partOf, Ad Copywriting>
+<Display Advertising, no, end>
+<Fraud Detection in Ads, connectedTo, Print Advertising>
+<Interactive Ad Formats, connectedTo, Fraud Detection in Ads>
+<Landing Page Optimization, connectedTo, Customer Acquisition Cost Analysis>
+<Outdoor Advertising, connectedTo, Video Advertising>
+<Performance Tracking, connectedTo, Audience Targeting>
+<Performance Tracking, connectedTo, Demographic Targeting>
+<Print Advertising, connectedTo, Ad Creative Development>
+<Print Advertising, connectedTo, Display Advertising>
+<Print Advertising, connectedTo, end>
+<Privacy Concerns in Ads, connectedTo, Direct Response Campaigns>
+<Privacy Concerns in Ads, partOf, Ad Copywriting>
+<Programmatic Advertising, connectedTo, Ad Creative Development>
+<Programmatic Advertising, connectedTo, Competitor Ad Analysis>
+<Programmatic Advertising, connectedTo, Search Engine Ads>
+<Retargeting Campaigns, connectedTo, Search Engine Ads>
+<Retargeting Campaigns, partOf, Brand Awareness Campaigns>
+<Return on Ad Spend Calculation, connectedTo, Performance Tracking>
+<Search Engine Ads, connectedTo, Interactive Ad Formats>
+<Search Engine Ads, connectedTo, end>
+<Television Advertising, connectedTo, Budget Management>
+<Video Advertising, connectedTo, Programmatic Advertising>
+<Video Advertising, connectedTo, Television Advertising>
+<start, connectedTo, Landing Page Optimization>
+<start, connectedTo, Television Advertising>
diff --git a/train/mermaid/hard/mermaid_509.png b/train/mermaid/hard/mermaid_509.png
new file mode 100644
index 0000000000000000000000000000000000000000..0ffa59d8da8e32c65e254e44d5bd651f1da13aa1
--- /dev/null
+++ b/train/mermaid/hard/mermaid_509.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da7d1a6b651b49bb8328eb29f58288555d08a83b72e3744ad0b72ff04a1a06be
+size 553352
diff --git a/train/mermaid/hard/mermaid_51.png b/train/mermaid/hard/mermaid_51.png
new file mode 100644
index 0000000000000000000000000000000000000000..0285bd0d9767e1daa045f1b052fcccfbc7a048b7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_51.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ff0f84f11dfbd4dc5f31f5ac1384cdc1c879d464a4f30f529712d51185d0222b
+size 521543
diff --git a/train/mermaid/hard/mermaid_510.txt b/train/mermaid/hard/mermaid_510.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c236a4e0915032ef2e84c18d73af6799eb31c35
--- /dev/null
+++ b/train/mermaid/hard/mermaid_510.txt
@@ -0,0 +1,36 @@
+<Ad Analytics Reporting, connectedTo, Ad Network Management>
+<Ad Network Management, connectedTo, Media Buying>
+<Ad Network Management, connectedTo, Retargeting Campaigns>
+<Ad Network Management, connectedTo, Return on Ad Spend Calculation>
+<Ad Network Management, yes, Search Engine Ads>
+<Audience Targeting, connectedTo, Native Advertising>
+<Audience Targeting, partOf, Display Advertising>
+<Brand Awareness Campaigns, connectedTo, Digital Advertising>
+<Customer Acquisition Cost Analysis, connectedTo, Audience Targeting>
+<Customer Acquisition Cost Analysis, partOf, Display Advertising>
+<Digital Advertising, connectedTo, Social Media Ads>
+<Direct Response Campaigns, connectedTo, Psychographic Targeting>
+<Direct Response Campaigns, partOf, Ad Creative Development>
+<Media Buying, connectedTo, Retargeting Campaigns>
+<Native Advertising, partOf, Display Advertising>
+<Native Advertising, yes, Video Advertising>
+<Performance Tracking, connectedTo, Regulatory Compliance for Ads>
+<Performance Tracking, connectedTo, Retargeting Campaigns>
+<Performance Tracking, connectedTo, Social Media Ads>
+<Psychographic Targeting, connectedTo, Ad Analytics Reporting>
+<Psychographic Targeting, connectedTo, Digital Advertising>
+<Psychographic Targeting, connectedTo, Performance Tracking>
+<Psychographic Targeting, connectedTo, Return on Ad Spend Calculation>
+<Psychographic Targeting, connectedTo, Social Media Ads>
+<Regulatory Compliance for Ads, connectedTo, Ad Analytics Reporting>
+<Regulatory Compliance for Ads, connectedTo, Brand Awareness Campaigns>
+<Retargeting Campaigns, connectedTo, Customer Acquisition Cost Analysis>
+<Retargeting Campaigns, connectedTo, Return on Ad Spend Calculation>
+<Search Engine Ads, connectedTo, Direct Response Campaigns>
+<Search Engine Ads, partOf, Ad Creative Development>
+<Social Media Ads, connectedTo, Ad Analytics Reporting>
+<Video Advertising, connectedTo, Psychographic Targeting>
+<Video Advertising, partOf, Display Advertising>
+<start, connectedTo, Digital Advertising>
+<start, connectedTo, Psychographic Targeting>
+<start, connectedTo, Return on Ad Spend Calculation>
diff --git a/train/mermaid/hard/mermaid_511.png b/train/mermaid/hard/mermaid_511.png
new file mode 100644
index 0000000000000000000000000000000000000000..2173a7c63aee2beb143a1283efa8eeec2a9d6c92
--- /dev/null
+++ b/train/mermaid/hard/mermaid_511.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d77491bf0b22364850b3f90f83e9e83b270bbaeafbd749ea554abae1933810ed
+size 200740
diff --git a/train/mermaid/hard/mermaid_512.mmd b/train/mermaid/hard/mermaid_512.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..aaffa8ad853b1ed4a5fcea97fda101b12130c4aa
--- /dev/null
+++ b/train/mermaid/hard/mermaid_512.mmd
@@ -0,0 +1,100 @@
+graph TD
+    N0([start])
+    N1([A or B Testing for Ads])
+    N2[Outdoor Advertising]
+    N3[Social Media Ads]
+    N4[Ad Copywriting]
+    N5[Brand Awareness Campaigns]
+    N6[Ad Creative Development]
+    N7([Programmatic Advertising])
+    N8[/Audience Targeting/]
+    N9[[Visual Design for Ads]]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Media Buying
+        nest0_0(Radio Advertising)
+        nest0_1[Competitor Ad Analysis]
+        nest0_2[Campaign Planning]
+    end
+    subgraph Geo_Targeting
+        nest1_0[Audience Segmentation for Ads]
+        nest1_1[Performance Tracking]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N1 -.-> nest0_0
+    nest0_2 -.-> N4
+    nest1_0 --> nest1_1
+    N2 --> nest1_0
+    nest1_1 -.-> N1
+    N6 --> S0
+    S0 -.-> N8
+    S0 --> N9
+    N5 -.-> S1
+    S1 --> N8
+    S1 --> N7
+    N0 -.-> S2
+    S2 -.-> N2
+    S2 -.-> |manages budgets| N5
+    N3 --> M0
+    N2 --> M0
+    M0 --> N7
+    style N0 fill:#FFE88D,stroke:#FFDA4E
+    style N1 fill:#FFECB3,stroke:#FFC107
+    style N2 fill:#FFE0B2,stroke:#FF9800
+    style N3 fill:#FFECB3,stroke:#FFC107
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#FFE0B2,stroke:#FF9800
+    style N7 fill:#FFE88D,stroke:#FFDA4E
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    style N9 fill:#FFE0B2,stroke:#FF9800
+    style S0 fill:#FFE0B2,stroke:#FF9800
+    style S1 fill:#FFECB3,stroke:#FFC107
+    style S2 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#FFE88D,stroke:#FFDA4E
+    style nest0_0 fill:#FFECB3,stroke:#FFC107
+    style nest0_1 fill:#FFECB3,stroke:#FFC107
+    style nest0_2 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_0 fill:#FFE0B2,stroke:#FF9800
+    style nest1_1 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FF9800,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_515.txt b/train/mermaid/hard/mermaid_515.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f83e818bda557971cba39cd6b7be52e4e22b1d65
--- /dev/null
+++ b/train/mermaid/hard/mermaid_515.txt
@@ -0,0 +1,35 @@
+<Blockchain Node Operation, verifies transactions, Enterprise Blockchain Solutions>
+<Cross_Border Payments, codes smart contracts, Blockchain Node Operation>
+<Cross_Border Payments, develops layer_2s, Private Blockchain Implementation>
+<Cross_Chain Bridges, connectedTo, Distributed Ledger Technology>
+<Cross_Chain Bridges, partOf, Sharding Implementation>
+<Decentralized Finance Protocols, connectedTo, Public Blockchain Deployment>
+<Decentralized Finance Protocols, partOf, Cryptographic Hashing>
+<Distributed Ledger Technology, connectedTo, Healthcare Data Management>
+<Distributed Ledger Technology, partOf, Sharding Implementation>
+<Healthcare Data Management, connectedTo, Mining Operations>
+<Healthcare Data Management, manages real estate, Blockchain Node Operation>
+<Identity Verification on Blockchain, connectedTo, Blockchain Node Operation>
+<Identity Verification on Blockchain, connectedTo, Smart Contract Development>
+<Mining Operations, connectedTo, Cross_Chain Bridges>
+<Mining Operations, partOf, Sharding Implementation>
+<Oracles Integration, connectedTo, Blockchain Node Operation>
+<Oracles Integration, connectedTo, Enterprise Blockchain Solutions>
+<Oracles Integration, connectedTo, Healthcare Data Management>
+<Oracles Integration, connectedTo, Supply Chain Traceability>
+<Private Blockchain Implementation, connectedTo, Blockchain Node Operation>
+<Private Blockchain Implementation, connectedTo, Healthcare Data Management>
+<Private Blockchain Implementation, connectedTo, Identity Verification on Blockchain>
+<Private Blockchain Implementation, connectedTo, Oracles Integration>
+<Private Blockchain Implementation, connectedTo, Security Token Offerings>
+<Public Blockchain Deployment, connectedTo, Supply Chain Traceability>
+<Public Blockchain Deployment, partOf, Cryptographic Hashing>
+<Regulatory Compliance for Blockchain, connectedTo, Blockchain Node Operation>
+<Regulatory Compliance for Blockchain, connectedTo, Cross_Border Payments>
+<Security Token Offerings, connectedTo, Decentralized Finance Protocols>
+<Security Token Offerings, partOf, Cryptographic Hashing>
+<Smart Contract Development, connectedTo, Oracles Integration>
+<Supply Chain Traceability, connectedTo, Blockchain Node Operation>
+<Supply Chain Traceability, connectedTo, Enterprise Blockchain Solutions>
+<Supply Chain Traceability, connectedTo, Healthcare Data Management>
+<Voting Systems on Blockchain, connectedTo, Regulatory Compliance for Blockchain>
diff --git a/train/mermaid/hard/mermaid_518.png b/train/mermaid/hard/mermaid_518.png
new file mode 100644
index 0000000000000000000000000000000000000000..ec2f4fed961e13f5c29fe2c352992568e9422c3d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_518.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e48021cbe955069c105d7289c9e65b4b6bd01fb9aa0e5f66e0e51229f2c09aef
+size 527617
diff --git a/train/mermaid/hard/mermaid_52.png b/train/mermaid/hard/mermaid_52.png
new file mode 100644
index 0000000000000000000000000000000000000000..25df951c42d7647c00a3466bd8d8cc8cd17ce81b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_52.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d645d4992b9d8b3c3a884fa39009d486f0078a9c90b39fc58b3481d6fef21fdd
+size 469662
diff --git a/train/mermaid/hard/mermaid_520.png b/train/mermaid/hard/mermaid_520.png
new file mode 100644
index 0000000000000000000000000000000000000000..3a55dd9da419ea817be4e651d9e06d5cd7f2ab47
--- /dev/null
+++ b/train/mermaid/hard/mermaid_520.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8710dc6130a5507b263de584cf66f2c3143979ac43c7a0a2e6c69485cbd29f46
+size 537734
diff --git a/train/mermaid/hard/mermaid_522.png b/train/mermaid/hard/mermaid_522.png
new file mode 100644
index 0000000000000000000000000000000000000000..5a2c7330c74e12f6040add5195ec8ce52b0a0b22
--- /dev/null
+++ b/train/mermaid/hard/mermaid_522.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e03c13ff8d10c542ad1a900d89941213e5ee307bb89e19f755a87616e9f5c7d
+size 377420
diff --git a/train/mermaid/hard/mermaid_528.mmd b/train/mermaid/hard/mermaid_528.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0bba8e43c5030c5adf31a313a70bfabee7b30977
--- /dev/null
+++ b/train/mermaid/hard/mermaid_528.mmd
@@ -0,0 +1,138 @@
+graph BT
+    N0([Airdrop Campaigns])
+    N1[/Cryptocurrency Trading Bots/]
+    N2[/Liquidity Provision/]
+    N3{Custodial Services}
+    N4(Web3 Integration)
+    N5(Interoperability Solutions)
+    N6[[Decentralized Exchange Operation]]
+    N7[[Venture Capital Funding]]
+    N8[Token Generation Event]
+    N9[[Cryptocurrency Education]]
+    N10[NFT Marketplace Development]
+    N11{Exchange Listing}
+    N12[Fraud Prevention]
+    N13{Blockchain Explorers}
+    N14[[Hot Wallet Security]]
+    N15([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Tax Reporting for Crypto
+        nest0_0[/Blockchain Integration/]
+        nest0_1{Transaction Processing}
+        nest0_2[[Cold Storage Solutions]]
+    end
+    subgraph Portfolio Management
+        nest1_0[/Smart Contract Auditing/]
+        nest1_1[(KYC or AML Procedures)]
+        nest1_2[Initial Exchange Offering]
+        nest1_3(Staking)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 --> N15
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N10 --> nest0_0
+    nest0_2 -.-> |audits security| N7
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N6 --> nest1_0
+    nest1_3 --> N3
+    N6 --> S0
+    S0 --> N9
+    S0 -.-> N15
+    S0 -.-> N14
+    N0 -.-> S1
+    S1 --> N4
+    S1 --> N7
+    S1 -.-> N11
+    N1 -.-> M0
+    N8 --> M0
+    N12 --> M0
+    M0 -.-> N15
+    N7 --> M1
+    N4 --> M1
+    M1 --> N14
+    style N0 fill:#EBEBEB,stroke:#E0E0E0
+    style N1 fill:#E8F5E9,stroke:#66BB6A
+    style N2 fill:#E8F5E9,stroke:#66BB6A
+    style N3 fill:#EBEBEB,stroke:#E0E0E0
+    style N4 fill:#EBEBEB,stroke:#E0E0E0
+    style N5 fill:#E8F5E9,stroke:#66BB6A
+    style N6 fill:#EFEBE9,stroke:#A1887F
+    style N7 fill:#E8F5E9,stroke:#66BB6A
+    style N8 fill:#EFEBE9,stroke:#A1887F
+    style N9 fill:#EFEBE9,stroke:#A1887F
+    style N10 fill:#E8F5E9,stroke:#66BB6A
+    style N11 fill:#EFEBE9,stroke:#A1887F
+    style N12 fill:#E8F5E9,stroke:#66BB6A
+    style N13 fill:#E8F5E9,stroke:#66BB6A
+    style N14 fill:#E8F5E9,stroke:#66BB6A
+    style N15 fill:#EBEBEB,stroke:#E0E0E0
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style S1 fill:#E8F5E9,stroke:#66BB6A
+    style M0 fill:#EFEBE9,stroke:#A1887F
+    style M1 fill:#EFEBE9,stroke:#A1887F
+    style nest0_0 fill:#E8F5E9,stroke:#66BB6A
+    style nest0_1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_2 fill:#E8F5E9,stroke:#66BB6A
+    style nest1_0 fill:#EFEBE9,stroke:#A1887F
+    style nest1_1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest1_2 fill:#E8F5E9,stroke:#66BB6A
+    style nest1_3 fill:#E8F5E9,stroke:#66BB6A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#E0E0E0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_528.txt b/train/mermaid/hard/mermaid_528.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f2bcc5b57ff63e88f67908cd880e29b5a65f466
--- /dev/null
+++ b/train/mermaid/hard/mermaid_528.txt
@@ -0,0 +1,42 @@
+<Airdrop Campaigns, connectedTo, Cryptocurrency Trading Bots>
+<Airdrop Campaigns, connectedTo, Exchange Listing>
+<Airdrop Campaigns, connectedTo, Venture Capital Funding>
+<Airdrop Campaigns, connectedTo, Web3 Integration>
+<Blockchain Explorers, connectedTo, Hot Wallet Security>
+<Blockchain Integration, connectedTo, Transaction Processing>
+<Blockchain Integration, partOf, Tax Reporting for Crypto>
+<Cold Storage Solutions, audits security, Venture Capital Funding>
+<Cold Storage Solutions, partOf, Tax Reporting for Crypto>
+<Cryptocurrency Education, connectedTo, NFT Marketplace Development>
+<Cryptocurrency Trading Bots, connectedTo, Liquidity Provision>
+<Cryptocurrency Trading Bots, connectedTo, end>
+<Custodial Services, connectedTo, Web3 Integration>
+<Decentralized Exchange Operation, connectedTo, Cryptocurrency Education>
+<Decentralized Exchange Operation, connectedTo, Hot Wallet Security>
+<Decentralized Exchange Operation, connectedTo, Smart Contract Auditing>
+<Decentralized Exchange Operation, connectedTo, Venture Capital Funding>
+<Decentralized Exchange Operation, connectedTo, end>
+<Exchange Listing, connectedTo, Fraud Prevention>
+<Fraud Prevention, connectedTo, Blockchain Explorers>
+<Fraud Prevention, connectedTo, end>
+<Hot Wallet Security, connectedTo, end>
+<Initial Exchange Offering, connectedTo, Staking>
+<Initial Exchange Offering, partOf, Portfolio Management>
+<Interoperability Solutions, connectedTo, Decentralized Exchange Operation>
+<KYC or AML Procedures, connectedTo, Initial Exchange Offering>
+<KYC or AML Procedures, partOf, Portfolio Management>
+<Liquidity Provision, connectedTo, Custodial Services>
+<NFT Marketplace Development, connectedTo, Blockchain Integration>
+<NFT Marketplace Development, connectedTo, Exchange Listing>
+<Smart Contract Auditing, connectedTo, KYC or AML Procedures>
+<Smart Contract Auditing, partOf, Portfolio Management>
+<Staking, connectedTo, Custodial Services>
+<Staking, partOf, Portfolio Management>
+<Token Generation Event, connectedTo, Cryptocurrency Education>
+<Token Generation Event, connectedTo, end>
+<Transaction Processing, connectedTo, Cold Storage Solutions>
+<Transaction Processing, partOf, Tax Reporting for Crypto>
+<Venture Capital Funding, connectedTo, Hot Wallet Security>
+<Venture Capital Funding, connectedTo, Token Generation Event>
+<Web3 Integration, connectedTo, Hot Wallet Security>
+<Web3 Integration, connectedTo, Interoperability Solutions>
diff --git a/train/mermaid/hard/mermaid_530.mmd b/train/mermaid/hard/mermaid_530.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d535c5910534d62ed2e80583875aa92eb0c59de3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_530.mmd
@@ -0,0 +1,93 @@
+graph BT
+    N0([start])
+    N1[Success Fee Structures]
+    N2([Platform Fee Management])
+    N3[Escrow Management]
+    N4[[Post_Campaign Updates]]
+    N5(Customer Support for Backers)
+    N6[/Press Outreach/]
+    N7[Logistics for Rewards]
+    N8[[Real Estate Crowdfunding]]
+    N9([Project Vetting])
+    N10[Email List Building]
+    N11([Due Diligence for Projects])
+    N12(Investor Verification)
+    N13{Fulfillment Planning}
+    N14([end])
+    S0(( ))
+    M0(( ))
+    subgraph Campaign Creation
+        nest0_0[Reward Tier Design]
+        nest0_1[(Goal Setting)]
+        nest0_2[Financial Projection Analysis]
+        nest0_3[(Marketing Strategy)]
+    end
+    subgraph Manufacturing Planning
+        nest1_0(Investor Relations)
+        nest1_1[Tax Implications of Crowdfunding]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N13 -.-> nest0_0
+    nest0_3 --> N5
+    nest1_0 --> nest1_1
+    N10 -.-> nest1_0
+    nest1_1 -.-> N3
+    N0 --> S0
+    S0 -.-> N9
+    S0 -.-> N10
+    N2 --> M0
+    N7 --> M0
+    N6 --> M0
+    M0 -.-> N11
+    N2 -.-> N7
+    N4 -.-> nest1_0
+    style S0 fill:#FFECB3,stroke:#FFC107
+    style M0 fill:#FFF0CC,stroke:#FFCC80
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_532.mmd b/train/mermaid/hard/mermaid_532.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5c59af3246d36d5888d9f6d280e62b96699e5ccd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_532.mmd
@@ -0,0 +1,118 @@
+graph RL
+    N0([Social Media Promotion])
+    N1[[Press Outreach]]
+    N2[Reward_Based Crowdfunding]
+    N3([Investor Verification])
+    N4{Platform Selection}
+    N5[(Due Diligence for Projects)]
+    N6[Customer Support for Backers]
+    N7{Manufacturing Planning}
+    N8[[Video Production for Campaigns]]
+    N9[[International Crowdfunding]]
+    N10(Securities Regulations Adherence)
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    subgraph Community Building
+        nest0_0[Pitch Deck Preparation]
+        nest0_1[[Financial Projection Analysis]]
+    end
+    subgraph Marketing Strategy
+        nest1_0([Post_Campaign Updates])
+        nest1_1[Goal Setting]
+        nest1_2[/Project Vetting/]
+        nest1_3[[Backer Communication]]
+    end
+    N0 -.-> |facilitates equity| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> |vets projects| N10
+    nest0_0 --> nest0_1
+    N5 -.-> nest0_0
+    nest0_1 --> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N8 --> nest1_0
+    nest1_3 -.-> N1
+    N6 -.-> S0
+    S0 --> |handles logistics| N8
+    S0 --> N9
+    S0 -.-> |attracts investors| N10
+    N0 -.-> S1
+    S1 --> |communicates updates| N4
+    S1 --> N10
+    N1 -.-> S2
+    S2 -.-> N3
+    S2 --> N5
+    S2 -.-> N9
+    S2 -.-> N8
+    N4 -.-> M1
+    N3 -.-> M1
+    N2 --> M1
+    N0 --> M1
+    M1 -.-> N10
+    style N0 fill:#FDFCEB,stroke:#EAEFA5
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#FDFCEB,stroke:#EAEFA5
+    style N4 fill:#FDFCEB,stroke:#EAEFA5
+    style N5 fill:#FFFDE7,stroke:#FFF176
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#FFFDE7,stroke:#FFF176
+    style N8 fill:#FCE4EC,stroke:#E91E63
+    style N9 fill:#FDFCEB,stroke:#EAEFA5
+    style N10 fill:#FFFDE7,stroke:#FFF176
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    style S1 fill:#FFFDE7,stroke:#FFF176
+    style S2 fill:#FDFCEB,stroke:#EAEFA5
+    style M1 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_0 fill:#FCE4EC,stroke:#E91E63
+    style nest0_1 fill:#FDFCEB,stroke:#EAEFA5
+    style nest1_0 fill:#FFFDE7,stroke:#FFF176
+    style nest1_1 fill:#FFFDE7,stroke:#FFF176
+    style nest1_2 fill:#FDFCEB,stroke:#EAEFA5
+    style nest1_3 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_537.png b/train/mermaid/hard/mermaid_537.png
new file mode 100644
index 0000000000000000000000000000000000000000..5fa33b2467eb863dec397fc2c35938185c9ee574
--- /dev/null
+++ b/train/mermaid/hard/mermaid_537.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4df6ad0c18f51966f0394b37894321c5ca515dc8c4696684a4361b97336f5d64
+size 312246
diff --git a/train/mermaid/hard/mermaid_538.txt b/train/mermaid/hard/mermaid_538.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04ff47f239db1f9086ae6fda2468e581a495ac16
--- /dev/null
+++ b/train/mermaid/hard/mermaid_538.txt
@@ -0,0 +1,37 @@
+<Asset Tracking, connectedTo, Data Processing at Edge>
+<Asset Tracking, connectedTo, Power Management for Devices>
+<Blockchain for IoT Security, connectedTo, Energy Management Systems>
+<Blockchain for IoT Security, partOf, Remote Monitoring and Control>
+<Cloud Platform Integration, connectedTo, Compliance with IoT Regulations>
+<Cloud Platform Integration, connectedTo, Data Processing at Edge>
+<Cloud Platform Integration, connectedTo, Environmental Monitoring>
+<Cloud Platform Integration, connectedTo, Firmware Updates>
+<Cloud Platform Integration, connects endpoints, Connectivity Management>
+<Cloud Platform Integration, designs UIs, Data Processing at Edge>
+<Connected Vehicles, enables wearables, Smart Home Devices>
+<Connectivity Management, connectedTo, Firmware Updates>
+<Data Processing at Edge, connectedTo, Connectivity Management>
+<Device Management, connectedTo, Firmware Updates>
+<Device Management, partOf, Smart Manufacturing>
+<Energy Management Systems, connectedTo, Asset Tracking>
+<Energy Management Systems, partOf, Remote Monitoring and Control>
+<Environmental Monitoring, connectedTo, Connected Vehicles>
+<Environmental Monitoring, connectedTo, Connectivity Management>
+<Environmental Monitoring, connectedTo, Data Processing at Edge>
+<Firmware Updates, connectedTo, Connected Vehicles>
+<Gateway Development, connectedTo, Blockchain for IoT Security>
+<Gateway Development, connectedTo, Cloud Platform Integration>
+<Gateway Development, connectedTo, Connected Vehicles>
+<Gateway Development, connectedTo, Connectivity Management>
+<Gateway Development, connectedTo, Environmental Monitoring>
+<Gateway Development, connectedTo, Smart Home Devices>
+<Interoperability Standards, connectedTo, Data Processing at Edge>
+<Interoperability Standards, connectedTo, Power Management for Devices>
+<Interoperability Standards, connectedTo, Wearable Technology>
+<Network Protocol Selection, collects data, Device Management>
+<Network Protocol Selection, partOf, Smart Manufacturing>
+<Power Management for Devices, connectedTo, Gateway Development>
+<Power Management for Devices, connectedTo, Network Protocol Selection>
+<Smart Home Devices, connectedTo, Compliance with IoT Regulations>
+<Wearable Technology, connectedTo, Asset Tracking>
+<Wearable Technology, connectedTo, Power Management for Devices>
diff --git a/train/mermaid/hard/mermaid_541.mmd b/train/mermaid/hard/mermaid_541.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..107b4fa30e9d03bdae6b6b092679c883c5ccdf20
--- /dev/null
+++ b/train/mermaid/hard/mermaid_541.mmd
@@ -0,0 +1,108 @@
+graph RL
+    N0([start])
+    N1[IoT Device Certification]
+    N2{Wearable Technology}
+    N3[/Real_time Data Streaming/]
+    N4(Asset Tracking)
+    N5[[Data Privacy in IoT]]
+    N6[(Security Implementation)]
+    N7[Agricultural IoT]
+    N8[Environmental Monitoring]
+    N9[(Energy Management Systems)]
+    N10([Sensor Integration])
+    N11[Firmware Updates]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Healthcare IoT Devices
+        nest0_0{Transportation IoT}
+        nest0_1(Smart City Sensors)
+    end
+    subgraph Device Prototyping
+        nest1_0[(AI at the Edge)]
+        nest1_1([Data Processing at Edge])
+        nest1_2[[Compliance with IoT Regulations]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    N3 -.-> nest0_0
+    nest0_1 -.-> N3
+    nest1_0 --> |complies with regulations| nest1_1
+    nest1_1 -.-> nest1_2
+    N10 -.-> nest1_0
+    nest1_2 --> N1
+    N8 -.-> S0
+    S0 --> N11
+    S0 --> N10
+    N8 -.-> S1
+    S1 -.-> N11
+    S1 -.-> N10
+    N0 --> M0
+    N2 --> M0
+    M0 --> N4
+    N1 --> |builds smart cities| M1
+    N2 -.-> M1
+    M1 -.-> N4
+    style N0 fill:#FFF9D4,stroke:#FFE69C
+    style N1 fill:#E8EAF6,stroke:#5C6BC0
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#E8EAF6,stroke:#5C6BC0
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#E8EAF6,stroke:#5C6BC0
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#FFF9D4,stroke:#FFE69C
+    style N8 fill:#E8EAF6,stroke:#5C6BC0
+    style N9 fill:#FFFDE7,stroke:#FFF176
+    style N10 fill:#FFF9D4,stroke:#FFE69C
+    style N11 fill:#FFF9D4,stroke:#FFE69C
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    style S1 fill:#FFF9D4,stroke:#FFE69C
+    style M0 fill:#FFF9D4,stroke:#FFE69C
+    style M1 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_1 fill:#FFF9D4,stroke:#FFE69C
+    style nest1_0 fill:#FFF9D4,stroke:#FFE69C
+    style nest1_1 fill:#FFFDE7,stroke:#FFF176
+    style nest1_2 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#5C6BC0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_541.txt b/train/mermaid/hard/mermaid_541.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a5c62b178cab1d824e98bc4c4aed243a00ba488
--- /dev/null
+++ b/train/mermaid/hard/mermaid_541.txt
@@ -0,0 +1,28 @@
+<AI at the Edge, complies with regulations, Data Processing at Edge>
+<AI at the Edge, partOf, Device Prototyping>
+<Agricultural IoT, connectedTo, Environmental Monitoring>
+<Asset Tracking, connectedTo, Data Privacy in IoT>
+<Compliance with IoT Regulations, connectedTo, IoT Device Certification>
+<Compliance with IoT Regulations, partOf, Device Prototyping>
+<Data Privacy in IoT, connectedTo, Security Implementation>
+<Data Processing at Edge, connectedTo, Compliance with IoT Regulations>
+<Data Processing at Edge, partOf, Device Prototyping>
+<Energy Management Systems, connectedTo, Sensor Integration>
+<Environmental Monitoring, connectedTo, Energy Management Systems>
+<Environmental Monitoring, connectedTo, Firmware Updates>
+<Environmental Monitoring, connectedTo, Sensor Integration>
+<IoT Device Certification, builds smart cities, Asset Tracking>
+<IoT Device Certification, connectedTo, Wearable Technology>
+<Real_time Data Streaming, connectedTo, Asset Tracking>
+<Real_time Data Streaming, connectedTo, Transportation IoT>
+<Security Implementation, connectedTo, Agricultural IoT>
+<Sensor Integration, connectedTo, AI at the Edge>
+<Sensor Integration, connectedTo, Firmware Updates>
+<Smart City Sensors, connectedTo, Real_time Data Streaming>
+<Smart City Sensors, partOf, Healthcare IoT Devices>
+<Transportation IoT, connectedTo, Smart City Sensors>
+<Transportation IoT, partOf, Healthcare IoT Devices>
+<Wearable Technology, connectedTo, Asset Tracking>
+<Wearable Technology, connectedTo, Real_time Data Streaming>
+<start, connectedTo, Asset Tracking>
+<start, connectedTo, IoT Device Certification>
diff --git a/train/mermaid/hard/mermaid_546.txt b/train/mermaid/hard/mermaid_546.txt
new file mode 100644
index 0000000000000000000000000000000000000000..545de1b2517238d6aade00b737afb4402f7f9ef9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_546.txt
@@ -0,0 +1,33 @@
+<Compliance and Governance at Edge, connectedTo, Offline Functionality>
+<Connectivity to Cloud, connectedTo, Event_Driven Architectures at Edge>
+<Connectivity to Cloud, connectedTo, Latency Reduction>
+<Containerization at Edge, connectedTo, Edge Data Processing>
+<Edge AI Model Deployment, connectedTo, Containerization at Edge>
+<Edge AI Model Deployment, connectedTo, Edge Data Processing>
+<Edge AI Model Deployment, connectedTo, Latency Reduction>
+<Edge AI Model Deployment, no, Edge Security Analytics>
+<Edge Application Development, connectedTo, Fleet Management for Edge Devices>
+<Edge Application Development, partOf, Local AI or ML Inference>
+<Edge Data Processing, connectedTo, Edge Security Analytics>
+<Edge Data Processing, connectedTo, Industrial Edge Computing>
+<Event_Driven Architectures at Edge, connectedTo, Edge AI Model Deployment>
+<Fleet Management for Edge Devices, connectedTo, Connectivity to Cloud>
+<Fleet Management for Edge Devices, partOf, Local AI or ML Inference>
+<Industrial Edge Computing, connectedTo, Sensor Data Aggregation>
+<Industrial Edge Computing, partOf, Real_time Analytics at Edge>
+<Latency Reduction, no, Containerization at Edge>
+<Offline Functionality, connectedTo, Edge Application Development>
+<Offline Functionality, yes, Connectivity to Cloud>
+<Resource Management at Edge, connectedTo, Compliance and Governance at Edge>
+<Retail Edge Computing, connectedTo, Security for Edge Devices>
+<Retail Edge Computing, partOf, Real_time Analytics at Edge>
+<Security for Edge Devices, connectedTo, Resource Management at Edge>
+<Security for Edge Devices, partOf, Real_time Analytics at Edge>
+<Sensor Data Aggregation, connectedTo, Retail Edge Computing>
+<Sensor Data Aggregation, partOf, Real_time Analytics at Edge>
+<Telecom Edge Computing, connectedTo, Resource Management at Edge>
+<start, connectedTo, Connectivity to Cloud>
+<start, connectedTo, Edge AI Model Deployment>
+<start, connectedTo, Event_Driven Architectures at Edge>
+<start, connectedTo, Latency Reduction>
+<start, no, Telecom Edge Computing>
diff --git a/train/mermaid/hard/mermaid_55.png b/train/mermaid/hard/mermaid_55.png
new file mode 100644
index 0000000000000000000000000000000000000000..22c738ff5b7c81bf2498b23e6d2fb1777a231dd0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_55.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8aea462d46bff8bf8ce46aae01e45ce9cb0e671be32b110b1e9968b3fd76a8ce
+size 312733
diff --git a/train/mermaid/hard/mermaid_55.txt b/train/mermaid/hard/mermaid_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d03e90ad5088586c1e995ec901e9e9757b585e9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_55.txt
@@ -0,0 +1,32 @@
+<Carbon Capture, connectedTo, Outage Detection>
+<Circuit Breaker Operation, connectedTo, Carbon Capture>
+<Circuit Breaker Operation, connectedTo, Outage Detection>
+<Circuit Breaker Operation, connectedTo, Voltage Regulation>
+<Consumption Logging, connectedTo, Fuel Delivery>
+<Consumption Logging, partOf, Demand Forecast>
+<Energy Market Analysis, connectedTo, Consumption Logging>
+<Energy Market Analysis, partOf, Demand Forecast>
+<Energy Storage, connectedTo, Grid Balancing>
+<Energy Storage, partOf, Energy Infrastructure Planning>
+<Fuel Delivery, connectedTo, Carbon Capture>
+<Fuel Delivery, connectedTo, Circuit Breaker Operation>
+<Fuel Delivery, connectedTo, Voltage Regulation>
+<Grid Balancing, connectedTo, Fuel Delivery>
+<Grid Balancing, connectedTo, Nuclear Reactor Control>
+<Grid Balancing, connectedTo, Outage Detection>
+<Grid Balancing, connectedTo, Voltage Regulation>
+<Grid Balancing, no, Circuit Breaker Operation>
+<Nuclear Reactor Control, no, Renewable Integration>
+<Nuclear Reactor Control, partOf, Energy Infrastructure Planning>
+<Renewable Integration, connectedTo, Wind Turbine Monitoring>
+<Renewable Integration, partOf, Energy Infrastructure Planning>
+<Sensor Reading, connectedTo, Energy Market Analysis>
+<Sensor Reading, partOf, Demand Forecast>
+<Solar Panel Installation, connectedTo, Grid Balancing>
+<Solar Panel Installation, connectedTo, Voltage Regulation>
+<Voltage Regulation, connectedTo, Carbon Capture>
+<Voltage Regulation, yes, Sensor Reading>
+<Wind Turbine Monitoring, connectedTo, Energy Storage>
+<Wind Turbine Monitoring, partOf, Energy Infrastructure Planning>
+<start, connectedTo, Carbon Capture>
+<start, connectedTo, Solar Panel Installation>
diff --git a/train/mermaid/hard/mermaid_554.txt b/train/mermaid/hard/mermaid_554.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8682d17f820e084fc9455137ef479b8daf8a6d33
--- /dev/null
+++ b/train/mermaid/hard/mermaid_554.txt
@@ -0,0 +1,37 @@
+<API Management in Cloud, connectedTo, Cloud Firewall Configuration>
+<Big Data Services in Cloud, connectedTo, Network Configuration in Cloud>
+<Big Data Services in Cloud, partOf, Public Cloud Management>
+<CI or CD Pipelines in Cloud, connectedTo, Cloud Automation>
+<CI or CD Pipelines in Cloud, connectedTo, Identity and Access Management>
+<Cloud Automation, connectedTo, Auto_Scaling Configurations>
+<Cloud Automation, connectedTo, Cloud Firewall Configuration>
+<Cloud Automation, connectedTo, Cloud Governance>
+<Cloud Automation, connectedTo, Cloud Migration Strategy>
+<Cloud Automation, connectedTo, Cloud_based VPN Setup>
+<Cloud Automation, connectedTo, Identity and Access Management>
+<Cloud Automation, connectedTo, Platform as a Service>
+<Cloud FinOps, connectedTo, API Management in Cloud>
+<Cloud FinOps, partOf, Infrastructure as a Service>
+<Cloud Firewall Configuration, connectedTo, Cloud Governance>
+<Cloud Governance, connectedTo, Auto_Scaling Configurations>
+<Cloud Migration Strategy, connectedTo, Cloud_based VPN Setup>
+<Cloud_based VPN Setup, connectedTo, API Management in Cloud>
+<Data Storage in Cloud, connectedTo, Identity and Access Management>
+<Data Storage in Cloud, connectedTo, Load Balancing in Cloud>
+<Database as a Service, connectedTo, Cloud Migration Strategy>
+<Database as a Service, connectedTo, Serverless Computing>
+<DevOps on Cloud, connectedTo, Hybrid Cloud Deployment>
+<DevOps on Cloud, partOf, Infrastructure as a Service>
+<Hybrid Cloud Deployment, connectedTo, Cloud FinOps>
+<Hybrid Cloud Deployment, partOf, Infrastructure as a Service>
+<Identity and Access Management, connectedTo, Database as a Service>
+<Load Balancing in Cloud, connectedTo, CI or CD Pipelines in Cloud>
+<Load Balancing in Cloud, connectedTo, Identity and Access Management>
+<Network Configuration in Cloud, connectedTo, Software as a Service>
+<Network Configuration in Cloud, partOf, Public Cloud Management>
+<Platform as a Service, connectedTo, DevOps on Cloud>
+<Platform as a Service, connectedTo, Identity and Access Management>
+<Serverless Computing, connectedTo, Big Data Services in Cloud>
+<Serverless Computing, partOf, Public Cloud Management>
+<Software as a Service, connectedTo, Cloud Automation>
+<Software as a Service, partOf, Public Cloud Management>
diff --git a/train/mermaid/hard/mermaid_555.png b/train/mermaid/hard/mermaid_555.png
new file mode 100644
index 0000000000000000000000000000000000000000..d2659ebc73c5058b87665f63cb443e50aacadaa6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_555.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b19abad32c23ac20b86e1d280088abcb5fc8ac4b073f5417c9f56e548b502dce
+size 136248
diff --git a/train/mermaid/hard/mermaid_555.txt b/train/mermaid/hard/mermaid_555.txt
new file mode 100644
index 0000000000000000000000000000000000000000..14341aedfca0f883dafe268aad1a5e6ea14f99ad
--- /dev/null
+++ b/train/mermaid/hard/mermaid_555.txt
@@ -0,0 +1,33 @@
+<Auto_Scaling Configurations, connectedTo, Container Orchestration>
+<Auto_Scaling Configurations, connectedTo, Hybrid Cloud Deployment>
+<Cloud Firewall Configuration, connectedTo, Cloud Monitoring and Logging>
+<Cloud Firewall Configuration, partOf, Multi_Cloud Management>
+<Cloud Governance, connectedTo, Auto_Scaling Configurations>
+<Cloud Governance, partOf, Cloud Architecture Design>
+<Cloud Marketplace Integration, connectedTo, Cloud_based VPN Setup>
+<Cloud Marketplace Integration, connectedTo, Container Orchestration>
+<Cloud Monitoring and Logging, connectedTo, Resource Tagging for Cost Allocation>
+<Cloud Monitoring and Logging, partOf, Multi_Cloud Management>
+<Cloud_based VPN Setup, connectedTo, Database as a Service>
+<Compliance in Cloud, connectedTo, DevOps on Cloud>
+<Container Orchestration, automates tasks, Compliance in Cloud>
+<Cost Optimization in Cloud, configures firewalls, Cloud Marketplace Integration>
+<Database as a Service, connectedTo, Container Orchestration>
+<Database as a Service, connectedTo, Load Balancing in Cloud>
+<DevOps on Cloud, connectedTo, Network Configuration in Cloud>
+<DevOps on Cloud, connectedTo, Platform as a Service>
+<DevOps on Cloud, sets up VPNs, Virtual Machine Management>
+<Edge_to_Cloud Integration, connectedTo, Auto_Scaling Configurations>
+<Edge_to_Cloud Integration, connectedTo, Compliance in Cloud>
+<Edge_to_Cloud Integration, connectedTo, Container Orchestration>
+<Edge_to_Cloud Integration, connectedTo, DevOps on Cloud>
+<Edge_to_Cloud Integration, connectedTo, Platform as a Service>
+<Hybrid Cloud Deployment, connectedTo, Cloud Governance>
+<Hybrid Cloud Deployment, partOf, Cloud Architecture Design>
+<Load Balancing in Cloud, connectedTo, Edge_to_Cloud Integration>
+<Network Configuration in Cloud, connectedTo, Cloud Firewall Configuration>
+<Network Configuration in Cloud, connectedTo, end>
+<Platform as a Service, connectedTo, Network Configuration in Cloud>
+<Resource Tagging for Cost Allocation, connectedTo, end>
+<Resource Tagging for Cost Allocation, partOf, Multi_Cloud Management>
+<Virtual Machine Management, performs backups, Platform as a Service>
diff --git a/train/mermaid/hard/mermaid_556.mmd b/train/mermaid/hard/mermaid_556.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6e6f8f30696718c14ed6c5867a866864d6d20167
--- /dev/null
+++ b/train/mermaid/hard/mermaid_556.mmd
@@ -0,0 +1,122 @@
+graph LR
+    N0([start])
+    N1[(Serverless Computing)]
+    N2{Private Cloud Management}
+    N3[[Cloud Marketplace Integration]]
+    N4(DevOps on Cloud)
+    N5(Cloud Firewall Configuration)
+    N6[[Cloud Native Application Development]]
+    N7[Cloud Migration Strategy]
+    N8[/Machine Learning as a Service/]
+    N9(Data Storage in Cloud)
+    N10[/Network Configuration in Cloud/]
+    N11([Virtual Machine Management])
+    N12[(Container Orchestration)]
+    N13([Multi_Cloud Management])
+    N14[CI or CD Pipelines in Cloud]
+    N15[Resource Tagging for Cost Allocation]
+    N16[/Cloud Governance/]
+    N17([Public Cloud Management])
+    N18([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Cloud Architecture Design
+        nest0_0(Hybrid Cloud Deployment)
+        nest0_1(Software as a Service)
+    end
+    subgraph API Management in Cloud
+        nest1_0(Cloud Security)
+        nest1_1(Database as a Service)
+        nest1_2([Infrastructure as a Service])
+    end
+    N0 --> N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |no| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 -.-> N16
+    N16 --> |no| N17
+    N17 -.-> |yes| N18
+    nest0_0 --> nest0_1
+    N2 --> nest0_0
+    nest0_1 -.-> N14
+    nest1_0 --> |yes| nest1_1
+    nest1_1 -.-> nest1_2
+    N12 --> |yes| nest1_0
+    nest1_2 -.-> N15
+    N4 -.-> S0
+    S0 --> N18
+    S0 --> N16
+    N3 -.-> S1
+    S1 -.-> N5
+    S1 -.-> N15
+    S1 -.-> N12
+    N13 --> S2
+    S2 -.-> N15
+    S2 --> |yes| N18
+    N0 -.-> M1
+    N1 --> M1
+    M1 --> N3
+    N9 --> M2
+    N0 --> M2
+    M2 --> N13
+    style S0 fill:#FFECB3,stroke:#FFC107
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style S2 fill:#FFECB3,stroke:#FFC107
+    style M1 fill:#EBEBEB,stroke:#E0E0E0
+    style M2 fill:#FFECB3,stroke:#FFC107
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_557.mmd b/train/mermaid/hard/mermaid_557.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..eab623a7ed728a4d770b8e7e783985efb1af94ec
--- /dev/null
+++ b/train/mermaid/hard/mermaid_557.mmd
@@ -0,0 +1,112 @@
+graph TD
+    N0([Auto_Scaling Configurations])
+    N1[/Disaster Recovery in Cloud/]
+    N2[/Private Cloud Management/]
+    N3([Cloud Marketplace Integration])
+    N4[/Cloud_based VPN Setup/]
+    N5(Cloud Monitoring and Logging)
+    N6{Hybrid Cloud Deployment}
+    N7[/Software as a Service/]
+    N8(Data Storage in Cloud)
+    N9{Compliance in Cloud}
+    N10[Cloud Governance]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Machine Learning as a Service
+        nest0_0[Cloud FinOps]
+        nest0_1([Cloud Vendor Lock_in Mitigation])
+        nest0_2(Cloud Automation)
+        nest0_3[Resource Tagging for Cost Allocation]
+    end
+    subgraph Serverless Computing
+        nest1_0[Cloud Architecture Design]
+        nest1_1[[Identity and Access Management]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |optimizes costs| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> |avoids lock_ins| N10
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N8 --> nest0_0
+    nest0_3 --> N10
+    nest1_0 --> nest1_1
+    N5 -.-> nest1_0
+    nest1_1 --> N9
+    N4 -.-> S0
+    S0 -.-> N8
+    S0 -.-> N7
+    S0 -.-> N6
+    N1 -.-> S1
+    S1 --> N7
+    S1 -.-> N9
+    N0 -.-> M0
+    N1 --> M0
+    M0 --> N3
+    N1 -.-> M1
+    N5 -.-> M1
+    N2 --> M1
+    M1 -.-> N7
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#CADEDE,stroke:#94C0C0
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    style N7 fill:#F0F4C3,stroke:#AED581
+    style N8 fill:#CADEDE,stroke:#94C0C0
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 fill:#F0F0F0,stroke:#D2D2D2
+    style S0 fill:#F0F4C3,stroke:#AED581
+    style S1 fill:#F0F4C3,stroke:#AED581
+    style M0 fill:#F0F4C3,stroke:#AED581
+    style M1 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_0 fill:#F0F4C3,stroke:#AED581
+    style nest0_1 fill:#F0F4C3,stroke:#AED581
+    style nest0_2 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_3 fill:#F0F4C3,stroke:#AED581
+    style nest1_0 fill:#F0F4C3,stroke:#AED581
+    style nest1_1 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#94C0C0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_557.txt b/train/mermaid/hard/mermaid_557.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e22724a4d04a0b4d7805b39d09092223b3ef6460
--- /dev/null
+++ b/train/mermaid/hard/mermaid_557.txt
@@ -0,0 +1,33 @@
+<Auto_Scaling Configurations, connectedTo, Cloud Marketplace Integration>
+<Auto_Scaling Configurations, connectedTo, Disaster Recovery in Cloud>
+<Cloud Architecture Design, connectedTo, Identity and Access Management>
+<Cloud Architecture Design, partOf, Serverless Computing>
+<Cloud Automation, connectedTo, Resource Tagging for Cost Allocation>
+<Cloud Automation, partOf, Machine Learning as a Service>
+<Cloud FinOps, connectedTo, Cloud Vendor Lock_in Mitigation>
+<Cloud FinOps, partOf, Machine Learning as a Service>
+<Cloud Marketplace Integration, connectedTo, Cloud_based VPN Setup>
+<Cloud Monitoring and Logging, connectedTo, Cloud Architecture Design>
+<Cloud Monitoring and Logging, connectedTo, Hybrid Cloud Deployment>
+<Cloud Monitoring and Logging, connectedTo, Software as a Service>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Cloud Automation>
+<Cloud Vendor Lock_in Mitigation, partOf, Machine Learning as a Service>
+<Cloud_based VPN Setup, connectedTo, Data Storage in Cloud>
+<Cloud_based VPN Setup, connectedTo, Hybrid Cloud Deployment>
+<Cloud_based VPN Setup, connectedTo, Software as a Service>
+<Cloud_based VPN Setup, optimizes costs, Cloud Monitoring and Logging>
+<Compliance in Cloud, avoids lock_ins, Cloud Governance>
+<Data Storage in Cloud, connectedTo, Cloud FinOps>
+<Data Storage in Cloud, connectedTo, Compliance in Cloud>
+<Disaster Recovery in Cloud, connectedTo, Cloud Marketplace Integration>
+<Disaster Recovery in Cloud, connectedTo, Compliance in Cloud>
+<Disaster Recovery in Cloud, connectedTo, Private Cloud Management>
+<Disaster Recovery in Cloud, connectedTo, Software as a Service>
+<Hybrid Cloud Deployment, connectedTo, Software as a Service>
+<Identity and Access Management, connectedTo, Compliance in Cloud>
+<Identity and Access Management, partOf, Serverless Computing>
+<Private Cloud Management, connectedTo, Cloud Marketplace Integration>
+<Private Cloud Management, connectedTo, Software as a Service>
+<Resource Tagging for Cost Allocation, connectedTo, Cloud Governance>
+<Resource Tagging for Cost Allocation, partOf, Machine Learning as a Service>
+<Software as a Service, connectedTo, Data Storage in Cloud>
diff --git a/train/mermaid/hard/mermaid_56.mmd b/train/mermaid/hard/mermaid_56.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cfbc15e487435a0b17b6f76b6d804a375a6de3da
--- /dev/null
+++ b/train/mermaid/hard/mermaid_56.mmd
@@ -0,0 +1,138 @@
+graph BT
+    N0([start])
+    N1(Power Purchase)
+    N2[Cybersecurity for Grid]
+    N3(Grid Modernization)
+    N4(Outage Detection)
+    N5[Oil and Gas Exploration]
+    N6(Power Plant)
+    N7[Battery Monitoring]
+    N8{Pipeline Monitoring}
+    N9(Wind Turbine Monitoring)
+    N10(Load Shedding)
+    N11{Sensor Reading}
+    N12([Geothermal Power])
+    N13[Substation Automation]
+    N14(Transmission Line Maintenance)
+    N15{Energy Storage}
+    N16([Grid Balancing])
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Alert Dispatch
+        nest0_0([Regulatory Compliance])
+        nest0_1{Generator Check}
+        nest0_2[/Distributed Generation Management/]
+        nest0_3[(Energy Infrastructure Planning)]
+    end
+    subgraph Circuit Breaker Operation
+        nest1_0(Consumption Logging)
+        nest1_1[(Peak Shaving)]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |permits| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |backs up| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> |measures| N14
+    N14 --> N15
+    N15 -.-> N16
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N6 -.-> nest0_0
+    nest0_3 -.-> N7
+    nest1_0 --> nest1_1
+    N14 -.-> nest1_0
+    nest1_1 -.-> N15
+    N3 --> S0
+    S0 -.-> N10
+    S0 -.-> N5
+    S0 --> N8
+    N2 -.-> S2
+    S2 --> N8
+    S2 -.-> N9
+    S2 --> N16
+    N2 -.-> M0
+    N0 --> M0
+    N1 --> |installs| M0
+    M0 --> N6
+    N1 --> M2
+    N3 -.-> |optimizes| M2
+    M2 -.-> N7
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#C2E8E6,stroke:#61CAC3
+    style N3 fill:#FFF3E0,stroke:#FFA726
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#C2E8E6,stroke:#61CAC3
+    style N6 fill:#FFE88D,stroke:#FFDA4E
+    style N7 fill:#C2E8E6,stroke:#61CAC3
+    style N8 fill:#FFF3E0,stroke:#FFA726
+    style N9 fill:#C2E8E6,stroke:#61CAC3
+    style N10 fill:#FFF3E0,stroke:#FFA726
+    style N11 fill:#C2E8E6,stroke:#61CAC3
+    style N12 fill:#FFF3E0,stroke:#FFA726
+    style N13 fill:#C2E8E6,stroke:#61CAC3
+    style N14 fill:#FFE88D,stroke:#FFDA4E
+    style N15 fill:#C2E8E6,stroke:#61CAC3
+    style N16 fill:#FFE88D,stroke:#FFDA4E
+    style S0 fill:#C2E8E6,stroke:#61CAC3
+    style S2 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#FFE88D,stroke:#FFDA4E
+    style M2 fill:#FFE88D,stroke:#FFDA4E
+    style nest0_0 fill:#FFF3E0,stroke:#FFA726
+    style nest0_1 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_2 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_3 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_0 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_1 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_571.mmd b/train/mermaid/hard/mermaid_571.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..59af2e089126b17378549d0e30223572cc3d26c0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_571.mmd
@@ -0,0 +1,122 @@
+graph LR
+    N0([start])
+    N1{Continuous Integration}
+    N2(Automated Deployment)
+    N3[Cross_Functional Team Collaboration]
+    N4[(Feature Flags)]
+    N5[/Continuous Delivery/]
+    N6[/Automated Testing/]
+    N7[/GitOps/]
+    N8[(Static Code Analysis)]
+    N9[(Code Quality Checks)]
+    N10(Dynamic Application Security Testing)
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Performance Metrics Analysis
+        nest0_0(Collaboration Tools)
+        nest0_1[/Observability Implementation/]
+        nest0_2([Automated Rollbacks])
+    end
+    subgraph Container Orchestration
+        nest1_0[Monitoring and Logging]
+        nest1_1[[Release Management]]
+        nest1_2([Infrastructure Provisioning])
+        nest1_3[[Environment Management]]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |builds cloud_native apps| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N5 -.-> nest0_0
+    nest0_2 -.-> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N3 --> nest1_0
+    nest1_3 -.-> N6
+    N3 -.-> S0
+    S0 --> N5
+    S0 --> N10
+    S0 --> N8
+    N5 -.-> S2
+    S2 --> N9
+    S2 --> N10
+    S2 --> N7
+    S2 --> N8
+    N0 --> M0
+    N3 -.-> M0
+    M0 --> N7
+    N7 --> M1
+    N8 --> M1
+    N1 --> M1
+    N5 -.-> M1
+    M1 -.-> N10
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#F8FDD3,stroke:#D3EB9F
+    style N3 fill:#CFD8DC,stroke:#607D8B
+    style N4 fill:#CFD8DC,stroke:#607D8B
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#FFF3E0,stroke:#FFA726
+    style N9 fill:#FFF3E0,stroke:#FFA726
+    style N10 fill:#F8FDD3,stroke:#D3EB9F
+    style S0 fill:#F8FDD3,stroke:#D3EB9F
+    style S2 fill:#FFF3E0,stroke:#FFA726
+    style M0 fill:#CFD8DC,stroke:#607D8B
+    style M1 fill:#FFF3E0,stroke:#FFA726
+    style nest0_0 fill:#CFD8DC,stroke:#607D8B
+    style nest0_1 fill:#CFD8DC,stroke:#607D8B
+    style nest0_2 fill:#FFF3E0,stroke:#FFA726
+    style nest1_0 fill:#CFD8DC,stroke:#607D8B
+    style nest1_1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest1_2 fill:#FFF3E0,stroke:#FFA726
+    style nest1_3 fill:#FFF3E0,stroke:#FFA726
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_574.txt b/train/mermaid/hard/mermaid_574.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e429f785550f531b3bd45b701203b7ed121e1a08
--- /dev/null
+++ b/train/mermaid/hard/mermaid_574.txt
@@ -0,0 +1,43 @@
+<Automated Deployment, connectedTo, Pipeline Automation>
+<Automated Deployment, partOf, Secrets Management>
+<Canary Releases, connectedTo, Release Management>
+<Canary Releases, partOf, Observability Implementation>
+<Chaos Engineering, connectedTo, Cross_Functional Team Collaboration>
+<ChatOps, connectedTo, Version Control>
+<Cloud Native Development, connectedTo, Feedback Loops>
+<Cloud Native Development, partOf, Secrets Management>
+<Configuration Management, connectedTo, Microservices Architecture>
+<Configuration Management, connectedTo, end>
+<Containerization, connectedTo, Continuous Delivery>
+<Continuous Delivery, connectedTo, Configuration Management>
+<Continuous Delivery, connectedTo, Feedback Loops>
+<Continuous Delivery, connectedTo, end>
+<Cost Optimization in Cloud DevOps, connectedTo, Site Reliability Engineering Principles>
+<Cost Optimization in Cloud DevOps, partOf, Observability Implementation>
+<Cross_Functional Team Collaboration, connectedTo, Configuration Management>
+<Cross_Functional Team Collaboration, connectedTo, Containerization>
+<Cross_Functional Team Collaboration, connectedTo, Feedback Loops>
+<Feature Flags, connectedTo, Security in DevOps>
+<Feature Flags, connectedTo, Version Control>
+<Feedback Loops, connectedTo, Configuration Management>
+<Infrastructure Provisioning, connectedTo, Feature Flags>
+<Infrastructure Provisioning, connectedTo, Version Control>
+<Infrastructure Provisioning, yes, Static Code Analysis>
+<Microservices Architecture, connectedTo, Canary Releases>
+<Microservices Architecture, partOf, Observability Implementation>
+<Pipeline Automation, connectedTo, Cloud Native Development>
+<Pipeline Automation, partOf, Secrets Management>
+<Release Management, connectedTo, Cost Optimization in Cloud DevOps>
+<Release Management, partOf, Observability Implementation>
+<Security in DevOps, connectedTo, ChatOps>
+<Serverless Deployment, connectedTo, Automated Deployment>
+<Serverless Deployment, connectedTo, Site Reliability Engineering Principles>
+<Serverless Deployment, connectedTo, Static Code Analysis>
+<Site Reliability Engineering Principles, yes, Static Code Analysis>
+<Static Code Analysis, connectedTo, Chaos Engineering>
+<Static Code Analysis, connectedTo, Continuous Delivery>
+<Static Code Analysis, connectedTo, Feedback Loops>
+<Static Code Analysis, connectedTo, end>
+<Version Control, connectedTo, Serverless Deployment>
+<start, connectedTo, Infrastructure Provisioning>
+<start, connectedTo, Version Control>
diff --git a/train/mermaid/hard/mermaid_576.mmd b/train/mermaid/hard/mermaid_576.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bb2ff44af936ba9924b73038e49069ce157922bc
--- /dev/null
+++ b/train/mermaid/hard/mermaid_576.mmd
@@ -0,0 +1,97 @@
+graph RL
+    N0([start])
+    N1([Performance Metrics Analysis])
+    N2([Static Code Analysis])
+    N3[Configuration Management]
+    N4([Alerting and Incident Response])
+    N5{Code Quality Checks}
+    N6[(Secrets Management)]
+    N7[/Cloud Native Development/]
+    N8(Automated Testing)
+    N9(Canary Releases)
+    N10[/Post_Mortem Analysis/]
+    N11([Dynamic Application Security Testing])
+    N12[Rollback Strategies]
+    N13[[Feedback Loops]]
+    N14([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Release Management
+        nest0_0(Continuous Integration)
+        nest0_1(Environment Management)
+        nest0_2[(Site Reliability Engineering Principles)]
+        nest0_3{Blue_Green Deployments}
+    end
+    subgraph Infrastructure as Code
+        nest1_0[/Serverless Deployment/]
+        nest1_1(Cross_Functional Team Collaboration)
+    end
+    N0 -.-> |yes| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N6 -.-> nest0_0
+    nest0_3 --> N1
+    nest1_0 --> |yes| nest1_1
+    N10 --> nest1_0
+    nest1_1 -.-> N14
+    N0 -.-> S0
+    S0 --> N14
+    S0 -.-> |no| N3
+    S0 -.-> N11
+    N6 --> S1
+    S1 --> N11
+    S1 --> N10
+    N10 -.-> |no| M1
+    N1 -.-> M1
+    M1 --> N12
+    style S0 fill:#FFF0CC,stroke:#FFCC80
+    style S1 fill:#EDE7F6,stroke:#9575CD
+    style M1 fill:#F0F4C3,stroke:#AED581
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFCC80,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_576.png b/train/mermaid/hard/mermaid_576.png
new file mode 100644
index 0000000000000000000000000000000000000000..92c2559a78c9f542cd1a8ec70dfdededa4a75027
--- /dev/null
+++ b/train/mermaid/hard/mermaid_576.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:161707e3c987f6afae4eb8612d8b9c5b690448d5dd3221911c040222b93f19d4
+size 194054
diff --git a/train/mermaid/hard/mermaid_577.png b/train/mermaid/hard/mermaid_577.png
new file mode 100644
index 0000000000000000000000000000000000000000..9fbfaaaf4271e131878f1368894b655be8facd01
--- /dev/null
+++ b/train/mermaid/hard/mermaid_577.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d18c17376bfc740226527a6db4b888b1e300ae397745a02859125b54eb975d28
+size 136504
diff --git a/train/mermaid/hard/mermaid_579.png b/train/mermaid/hard/mermaid_579.png
new file mode 100644
index 0000000000000000000000000000000000000000..23949a749ccbd98b40529d175bd55aa5e869432c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_579.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5978aa8b651013d47de2f1143a62771f42e8b903677dc63feb936f826bab3070
+size 435292
diff --git a/train/mermaid/hard/mermaid_580.png b/train/mermaid/hard/mermaid_580.png
new file mode 100644
index 0000000000000000000000000000000000000000..ce88d09019fc7d3cc710ac31c126e82f4c76486e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_580.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a55cc346214e563f738aac941823c79081d40eda362a4830a30ab671e436f88
+size 577418
diff --git a/train/mermaid/hard/mermaid_580.txt b/train/mermaid/hard/mermaid_580.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa4f8cd157369a7fd4fba3bf5459570669be2ebe
--- /dev/null
+++ b/train/mermaid/hard/mermaid_580.txt
@@ -0,0 +1,43 @@
+<Architecture Planning, connectedTo, System Design>
+<Backend Development, connectedTo, Coding>
+<Backend Development, connectedTo, Maintenance>
+<Coding, conducts code reviews, Performance Optimization>
+<Coding, connectedTo, Architecture Planning>
+<Coding, connectedTo, Desktop Application Development>
+<Coding, connectedTo, Documentation>
+<Coding, connectedTo, Scalability Design>
+<Coding, connectedTo, System Design>
+<Continuous Integration, connectedTo, Maintenance>
+<Continuous Integration, connectedTo, User Experience Design>
+<Data Structures Implementation, codes features, User Interface Design>
+<Data Structures Implementation, connectedTo, Coding>
+<Data Structures Implementation, connectedTo, Web Application Development>
+<Database Design, connectedTo, System Design>
+<Database Design, partOf, Code Review>
+<Desktop Application Development, connectedTo, Microservices Architecture>
+<Documentation, creates mobile apps, Maintenance>
+<Embedded Systems Development, connectedTo, Architecture Planning>
+<Integration Testing, connectedTo, Database Design>
+<Integration Testing, partOf, Code Review>
+<Maintenance, connectedTo, Embedded Systems Development>
+<Microservices Architecture, connectedTo, Scalability Design>
+<Operating System Development, connectedTo, System Testing>
+<Operating System Development, partOf, Compiler Design>
+<Performance Optimization, connectedTo, Operating System Development>
+<Performance Optimization, partOf, Compiler Design>
+<Scalability Design, connectedTo, end>
+<System Design, connectedTo, Desktop Application Development>
+<System Testing, connectedTo, Architecture Planning>
+<System Testing, connectedTo, Coding>
+<System Testing, connectedTo, Documentation>
+<System Testing, connectedTo, Maintenance>
+<System Testing, connectedTo, Scalability Design>
+<System Testing, connectedTo, System Design>
+<System Testing, maintains code, Backend Development>
+<User Experience Design, connectedTo, Coding>
+<User Experience Design, writes unit tests, Data Structures Implementation>
+<User Interface Design, creates UIs, Integration Testing>
+<User Interface Design, partOf, Code Review>
+<Web Application Development, connectedTo, Coding>
+<Web Application Development, connectedTo, Maintenance>
+<Web Application Development, connectedTo, System Testing>
diff --git a/train/mermaid/hard/mermaid_581.txt b/train/mermaid/hard/mermaid_581.txt
new file mode 100644
index 0000000000000000000000000000000000000000..adb5ef644ad30b2efaf6ea921aa3666b1c3bd7ee
--- /dev/null
+++ b/train/mermaid/hard/mermaid_581.txt
@@ -0,0 +1,37 @@
+<Algorithm Design, connectedTo, Database Design>
+<Architecture Planning, manages databases, Security Hardening>
+<Architecture Planning, partOf, Code Review>
+<Bug Fixing, connectedTo, Maintenance>
+<Bug Fixing, connectedTo, Testing Frameworks>
+<Cloud_Native Development, connectedTo, Refactoring>
+<Coding, connectedTo, Architecture Planning>
+<Coding, connectedTo, Technical Debt Management>
+<Continuous Delivery, connectedTo, Algorithm Design>
+<Continuous Delivery, connectedTo, Cloud_Native Development>
+<Continuous Delivery, connectedTo, Maintenance>
+<Continuous Delivery, develops frontends, Bug Fixing>
+<Data Structures Implementation, connectedTo, Cloud_Native Development>
+<Data Structures Implementation, connectedTo, Maintenance>
+<Database Design, connectedTo, Desktop Application Development>
+<Database Design, connectedTo, Performance Optimization>
+<Desktop Application Development, connectedTo, Embedded Systems Development>
+<Desktop Application Development, partOf, Integration Testing>
+<Embedded Systems Development, partOf, Integration Testing>
+<Embedded Systems Development, uses frameworks, Database Design>
+<Maintenance, connectedTo, Cloud_Native Development>
+<Maintenance, connectedTo, Coding>
+<Maintenance, connectedTo, Performance Optimization>
+<Maintenance, connectedTo, Refactoring>
+<Refactoring, connectedTo, Algorithm Design>
+<Security Hardening, connectedTo, Version Control>
+<Security Hardening, partOf, Code Review>
+<Technical Debt Management, connectedTo, Algorithm Design>
+<Technical Debt Management, connectedTo, Cloud_Native Development>
+<Testing Frameworks, connectedTo, Algorithm Design>
+<Testing Frameworks, connectedTo, Data Structures Implementation>
+<Testing Frameworks, connectedTo, Maintenance>
+<Version Control, connectedTo, Performance Optimization>
+<Version Control, partOf, Code Review>
+<start, connectedTo, Coding>
+<start, connectedTo, Continuous Delivery>
+<start, connectedTo, Data Structures Implementation>
diff --git a/train/mermaid/hard/mermaid_582.png b/train/mermaid/hard/mermaid_582.png
new file mode 100644
index 0000000000000000000000000000000000000000..8709dc712bbe3d19d96d9e442ec5cf678b18e3a3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_582.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11710c0ea78c57e0c7493de678338ce1c777913d1fe01c534669c4a52552f95c
+size 257350
diff --git a/train/mermaid/hard/mermaid_583.txt b/train/mermaid/hard/mermaid_583.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c36313322c1e2109b29d5fc2135cda8b1648fe2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_583.txt
@@ -0,0 +1,48 @@
+<API Development, connectedTo, end>
+<Algorithm Design, connectedTo, Integration Testing>
+<Algorithm Design, connectedTo, Performance Optimization>
+<Architecture Planning, connectedTo, Backend Development>
+<Architecture Planning, connectedTo, Coding>
+<Backend Development, connectedTo, Coding>
+<Backend Development, connectedTo, Integration Testing>
+<Cloud_Native Development, connectedTo, Desktop Application Development>
+<Cloud_Native Development, connectedTo, Integration Testing>
+<Cloud_Native Development, connectedTo, Performance Optimization>
+<Cloud_Native Development, connectedTo, Technical Debt Management>
+<Cloud_Native Development, connectedTo, Unit Testing>
+<Coding, connectedTo, Cloud_Native Development>
+<Compiler Design, connectedTo, Algorithm Design>
+<Compiler Design, partOf, Code Review>
+<Containerization, connectedTo, Coding>
+<Containerization, connectedTo, Integration Testing>
+<Containerization, connectedTo, Refactoring>
+<Continuous Delivery, connectedTo, Database Design>
+<Continuous Delivery, partOf, Operating System Development>
+<Database Design, connectedTo, Game Development>
+<Database Design, partOf, Operating System Development>
+<Desktop Application Development, connectedTo, API Development>
+<Desktop Application Development, connectedTo, Embedded Systems Development>
+<Desktop Application Development, implements CI, Algorithm Design>
+<Documentation, connectedTo, Continuous Delivery>
+<Documentation, partOf, Operating System Development>
+<Embedded Systems Development, connectedTo, API Development>
+<Frontend Development, connectedTo, Embedded Systems Development>
+<Game Development, connectedTo, User Interface Design>
+<Game Development, partOf, Operating System Development>
+<Integration Testing, connectedTo, Documentation>
+<Integration Testing, connectedTo, Testing Frameworks>
+<Performance Optimization, connectedTo, Integration Testing>
+<Performance Optimization, connectedTo, Technical Debt Management>
+<Refactoring, connectedTo, Architecture Planning>
+<Refactoring, connectedTo, Coding>
+<Refactoring, connectedTo, Security Hardening>
+<Security Hardening, connectedTo, Compiler Design>
+<Security Hardening, partOf, Code Review>
+<System Testing, connectedTo, Frontend Development>
+<System Testing, connectedTo, Performance Optimization>
+<System Testing, connectedTo, end>
+<System Testing, ensures scalability, Containerization>
+<Technical Debt Management, connectedTo, Integration Testing>
+<Testing Frameworks, connectedTo, User Interface Design>
+<Unit Testing, connectedTo, Desktop Application Development>
+<User Interface Design, connectedTo, Frontend Development>
diff --git a/train/mermaid/hard/mermaid_584.png b/train/mermaid/hard/mermaid_584.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b521b670100bda996dbe0b539001dd5da1be326
--- /dev/null
+++ b/train/mermaid/hard/mermaid_584.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a1f79db78ab243c8fd4694b65ffb365e9b2712dd71a628eb3b04179ed97e6f5c
+size 508420
diff --git a/train/mermaid/hard/mermaid_588.png b/train/mermaid/hard/mermaid_588.png
new file mode 100644
index 0000000000000000000000000000000000000000..486139f27d4d3f3d55962d177c3c3657afff9b38
--- /dev/null
+++ b/train/mermaid/hard/mermaid_588.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ad69de080517a0c99233da702298fe5198e34faf943ded0f7ca0d2d487b4680a
+size 188195
diff --git a/train/mermaid/hard/mermaid_590.mmd b/train/mermaid/hard/mermaid_590.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a2cf7f976af5114848ea0b1655c8778a4b9c8133
--- /dev/null
+++ b/train/mermaid/hard/mermaid_590.mmd
@@ -0,0 +1,158 @@
+graph RL
+    N0([Test Fixture Design])
+    N1[[ASIC Design]]
+    N2[[Firmware Development]]
+    N3(Reverse Engineering)
+    N4{Mechanical Design Integration}
+    N5[/Material Selection/]
+    N6[[Component Selection]]
+    N7[[Quality Control]]
+    N8[/Troubleshooting and Debugging/]
+    N9[RF Circuit Design]
+    N10[Regulatory Compliance]
+    N11[Signal Integrity Analysis]
+    N12[/Manufacturing Process Planning/]
+    N13[PCB Layout]
+    N14[Sensor Integration]
+    N15(Power Management Design)
+    N16([Environmental Testing])
+    N17([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Supply Chain Management for Components
+        nest0_0[Low_Power Design]
+        nest0_1[(Power Integrity Analysis)]
+        nest0_2[Schematic Capture]
+    end
+    subgraph Cable Management
+        nest1_0(Intellectual Property Protection)
+        nest1_1(Assembly Line Optimization)
+        nest1_2[Microcontroller Programming]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |analyzes thermals| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    N16 --> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N9 -.-> nest0_0
+    nest0_2 --> N4
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N5 --> nest1_0
+    nest1_2 --> N2
+    N4 --> S0
+    S0 --> N14
+    S0 --> N9
+    N10 --> S1
+    S1 --> |manages power| N12
+    S1 --> |ensures reliability| N13
+    S1 -.-> N15
+    N8 -.-> S2
+    S2 -.-> N16
+    S2 -.-> N10
+    S2 -.-> N13
+    N2 --> M0
+    N1 --> M0
+    N0 -.-> M0
+    M0 --> N5
+    N7 -.-> M1
+    N11 --> M1
+    M1 -.-> N16
+    N8 -.-> |designs optical systems| M2
+    N5 -.-> M2
+    M2 --> N13
+    style N0 fill:#FFE0B2,stroke:#FF9800
+    style N1 fill:#FFE0B2,stroke:#FF9800
+    style N2 fill:#C8E6C9,stroke:#388E3C
+    style N3 fill:#C8E6C9,stroke:#388E3C
+    style N4 fill:#C8E6C9,stroke:#388E3C
+    style N5 fill:#FFE0B2,stroke:#FF9800
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    style N8 fill:#FFE0B2,stroke:#FF9800
+    style N9 fill:#FFE0B2,stroke:#FF9800
+    style N10 fill:#FFE0B2,stroke:#FF9800
+    style N11 fill:#C8E6C9,stroke:#388E3C
+    style N12 fill:#FFE0B2,stroke:#FF9800
+    style N13 fill:#FFE0B2,stroke:#FF9800
+    style N14 fill:#FFE0B2,stroke:#FF9800
+    style N15 fill:#D6D9F0,stroke:#9FA9E1
+    style N16 fill:#C8E6C9,stroke:#388E3C
+    style N17 fill:#D6D9F0,stroke:#9FA9E1
+    style S0 fill:#D6D9F0,stroke:#9FA9E1
+    style S1 fill:#C8E6C9,stroke:#388E3C
+    style S2 fill:#FFE0B2,stroke:#FF9800
+    style M0 fill:#C8E6C9,stroke:#388E3C
+    style M1 fill:#FFE0B2,stroke:#FF9800
+    style M2 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_0 fill:#FFE0B2,stroke:#FF9800
+    style nest0_1 fill:#C8E6C9,stroke:#388E3C
+    style nest0_2 fill:#C8E6C9,stroke:#388E3C
+    style nest1_0 fill:#C8E6C9,stroke:#388E3C
+    style nest1_1 fill:#C8E6C9,stroke:#388E3C
+    style nest1_2 fill:#C8E6C9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#FF9800,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_593.txt b/train/mermaid/hard/mermaid_593.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6fd07ea21fbf99f47a2fb267d640aae8d5b07bfe
--- /dev/null
+++ b/train/mermaid/hard/mermaid_593.txt
@@ -0,0 +1,46 @@
+<API Development, connectedTo, Prototyping>
+<API Development, connectedTo, Wearable Device Integration>
+<Accessibility Features, connectedTo, API Development>
+<Accessibility Features, connectedTo, Prototyping>
+<Backend Integration, connectedTo, User Interface Design>
+<Backend Integration, partOf, User Feedback Collection>
+<Biometric Authentication, connectedTo, User Onboarding Flows>
+<Camera Integration, connectedTo, Deep Linking>
+<Camera Integration, connectedTo, Offline Mode Development>
+<Camera Integration, connectedTo, Subscription Management>
+<Database Design for Mobile, connectedTo, Biometric Authentication>
+<Database Design for Mobile, connectedTo, IoT Device Control via App>
+<Database Design for Mobile, connectedTo, Security Implementation>
+<Database Design for Mobile, connectedTo, Subscription Management>
+<Deep Linking, connectedTo, Database Design for Mobile>
+<Deep Linking, connectedTo, Subscription Management>
+<Deep Linking, connectedTo, Wireframing>
+<Gamification Elements, connectedTo, Wireframing>
+<Geolocation Services, connectedTo, Widget Development>
+<Geolocation Services, partOf, Cross_Platform Development>
+<IoT Device Control via App, connectedTo, Gamification Elements>
+<Microphone Integration, connectedTo, end>
+<Native App Development, connectedTo, Testing and Debugging>
+<Native App Development, partOf, Cross_Platform Development>
+<Offline Mode Development, connectedTo, Backend Integration>
+<Offline Mode Development, partOf, User Feedback Collection>
+<Prototyping, connectedTo, Camera Integration>
+<Security Implementation, connectedTo, Gamification Elements>
+<Security Implementation, connectedTo, Testing and Debugging>
+<Security Implementation, connectedTo, User Experience Design>
+<Security Implementation, connectedTo, User Onboarding Flows>
+<Security Implementation, connectedTo, Wireframing>
+<Subscription Management, connectedTo, Geolocation Services>
+<Subscription Management, connectedTo, IoT Device Control via App>
+<Testing and Debugging, connectedTo, Subscription Management>
+<Testing and Debugging, connectedTo, User Experience Design>
+<Testing and Debugging, connectedTo, Wireframing>
+<User Experience Design, connectedTo, Subscription Management>
+<User Interface Design, connectedTo, User Experience Design>
+<User Interface Design, partOf, User Feedback Collection>
+<User Onboarding Flows, processes payments, Microphone Integration>
+<Wearable Device Integration, connectedTo, Prototyping>
+<Wearable Device Integration, connectedTo, Wireframing>
+<Widget Development, connectedTo, Native App Development>
+<Widget Development, partOf, Cross_Platform Development>
+<Wireframing, connectedTo, Biometric Authentication>
diff --git a/train/mermaid/hard/mermaid_595.txt b/train/mermaid/hard/mermaid_595.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c40640e31a4d89d91bba464692d49b5a0bc1a3d5
--- /dev/null
+++ b/train/mermaid/hard/mermaid_595.txt
@@ -0,0 +1,40 @@
+<API Development, connectedTo, In_App Purchase Integration>
+<API Development, partOf, Cross_Platform Development>
+<AR or VR Features in Mobile, connectedTo, Gamification Elements>
+<AR or VR Features in Mobile, partOf, App Store Optimization>
+<Accessibility Features, connectedTo, Microphone Integration>
+<Analytics Tracking, yes, Chat Functionality>
+<Biometric Authentication, connectedTo, Prototyping>
+<Biometric Authentication, partOf, Cross_Platform Development>
+<Chat Functionality, connectedTo, Accessibility Features>
+<Chat Functionality, connectedTo, Microphone Integration>
+<Cloud Backend for Mobile, connectedTo, Geolocation Services>
+<Cloud Backend for Mobile, partOf, App Store Optimization>
+<Crash Reporting, connectedTo, Gamification Elements>
+<Gamification Elements, connectedTo, Subscription Management>
+<Geolocation Services, connectedTo, AR or VR Features in Mobile>
+<Geolocation Services, partOf, App Store Optimization>
+<In_App Purchase Integration, connectedTo, Biometric Authentication>
+<In_App Purchase Integration, partOf, Cross_Platform Development>
+<Microphone Integration, connectedTo, Crash Reporting>
+<Microphone Integration, connectedTo, Gamification Elements>
+<Microphone Integration, connectedTo, Performance Optimization>
+<Microphone Integration, connectedTo, Subscription Management>
+<Microphone Integration, connectedTo, User Onboarding Flows>
+<Offline Mode Development, connectedTo, Cloud Backend for Mobile>
+<Offline Mode Development, partOf, App Store Optimization>
+<Payment Gateway Integration, connectedTo, API Development>
+<Payment Gateway Integration, partOf, Cross_Platform Development>
+<Performance Optimization, connectedTo, Crash Reporting>
+<Performance Optimization, connectedTo, Offline Mode Development>
+<Performance Optimization, connectedTo, Payment Gateway Integration>
+<Prototyping, connectedTo, Analytics Tracking>
+<Prototyping, connectedTo, Chat Functionality>
+<Prototyping, connectedTo, Subscription Management>
+<Prototyping, connectedTo, Testing and Debugging>
+<Prototyping, connectedTo, User Onboarding Flows>
+<Subscription Management, connectedTo, User Onboarding Flows>
+<Testing and Debugging, yes, Analytics Tracking>
+<start, connectedTo, Prototyping>
+<start, connectedTo, User Onboarding Flows>
+<start, yes, Microphone Integration>
diff --git a/train/mermaid/hard/mermaid_596.txt b/train/mermaid/hard/mermaid_596.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c4006d158eee69960a8c03664d2d0af0bfc42bf
--- /dev/null
+++ b/train/mermaid/hard/mermaid_596.txt
@@ -0,0 +1,34 @@
+<API Development, connectedTo, Biometric Authentication>
+<AR or VR Features in Mobile, connectedTo, App Store Optimization>
+<AR or VR Features in Mobile, partOf, Microphone Integration>
+<Accessibility Features, connectedTo, Chat Functionality>
+<Accessibility Features, connectedTo, Wearable Device Integration>
+<App Store Optimization, connectedTo, Camera Integration>
+<App Store Optimization, partOf, Microphone Integration>
+<Biometric Authentication, conducts tests, Chat Functionality>
+<Biometric Authentication, connectedTo, Widget Development>
+<Camera Integration, connectedTo, API Development>
+<Camera Integration, connectedTo, Accessibility Features>
+<Camera Integration, connectedTo, Biometric Authentication>
+<Camera Integration, connectedTo, Wearable Device Integration>
+<Camera Integration, connectedTo, Widget Development>
+<Crash Reporting, connectedTo, AR or VR Features in Mobile>
+<Crash Reporting, partOf, Microphone Integration>
+<Deep Linking, connectedTo, In_App Purchase Integration>
+<Deep Linking, partOf, Gamification Elements>
+<In_App Purchase Integration, connectedTo, Camera Integration>
+<In_App Purchase Integration, partOf, Gamification Elements>
+<IoT Device Control via App, connectedTo, Crash Reporting>
+<IoT Device Control via App, partOf, Microphone Integration>
+<Payment Gateway Integration, connectedTo, User Feedback Collection>
+<Payment Gateway Integration, partOf, Gamification Elements>
+<User Feedback Collection, connectedTo, Deep Linking>
+<User Feedback Collection, partOf, Gamification Elements>
+<Wearable Device Integration, designs APIs, Chat Functionality>
+<Widget Development, connectedTo, Accessibility Features>
+<Widget Development, connectedTo, Chat Functionality>
+<Widget Development, connectedTo, IoT Device Control via App>
+<Widget Development, connectedTo, Payment Gateway Integration>
+<Widget Development, connectedTo, Wearable Device Integration>
+<start, connectedTo, Camera Integration>
+<start, connectedTo, Chat Functionality>
diff --git a/train/mermaid/hard/mermaid_597.png b/train/mermaid/hard/mermaid_597.png
new file mode 100644
index 0000000000000000000000000000000000000000..1129b2b110db48a5f75a7e0c52e95b33187ce168
--- /dev/null
+++ b/train/mermaid/hard/mermaid_597.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3145811dc6afcc757f83c04ed1a74d1d26aa46f4a9ffa4f64634413942a1b046
+size 192682
diff --git a/train/mermaid/hard/mermaid_598.mmd b/train/mermaid/hard/mermaid_598.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b71e92d22aee676a23a074f95259c724a61b58c0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_598.mmd
@@ -0,0 +1,124 @@
+graph TD
+    N0([Concept Development])
+    N1[User Onboarding Flows]
+    N2(Testing and Debugging)
+    N3[(Database Design for Mobile)]
+    N4[(Analytics Tracking)]
+    N5(Deployment to App Stores)
+    N6([Geolocation Services])
+    N7[Cloud Backend for Mobile]
+    N8{Performance Optimization}
+    N9(User Experience Design)
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Wearable Device Integration
+        nest0_0[Security Implementation]
+        nest0_1{Native App Development}
+        nest0_2[/Chat Functionality/]
+    end
+    subgraph Camera Integration
+        nest1_0[Real_time Communication Features]
+        nest1_1[Push Notification Implementation]
+        nest1_2(Deep Linking)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N3 --> nest0_0
+    nest0_2 --> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N8 --> nest1_0
+    nest1_2 --> N3
+    N5 -.-> S0
+    S0 --> N9
+    S0 --> N8
+    N0 --> S1
+    S1 -.-> N3
+    S1 -.-> N9
+    N2 -.-> S2
+    S2 --> N4
+    S2 -.-> N6
+    S2 -.-> N7
+    N1 --> M0
+    N0 -.-> M0
+    M0 -.-> N3
+    N6 -.-> M1
+    N4 -.-> M1
+    M1 --> N9
+    N2 -.-> M2
+    N1 -.-> |integrates camera| M2
+    N0 -.-> M2
+    M2 -.-> N7
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D3F7F9,stroke:#80DDEA
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style N7 fill:#D3F7F9,stroke:#80DDEA
+    style N8 fill:#D7CCC8,stroke:#795548
+    style N9 fill:#FFCDD2,stroke:#F44336
+    style S0 fill:#FFCDD2,stroke:#F44336
+    style S1 fill:#D7CCC8,stroke:#795548
+    style S2 fill:#D7CCC8,stroke:#795548
+    style M0 fill:#D3F7F9,stroke:#80DDEA
+    style M1 fill:#FFCDD2,stroke:#F44336
+    style M2 fill:#FFCDD2,stroke:#F44336
+    style nest0_0 fill:#FFCDD2,stroke:#F44336
+    style nest0_1 fill:#D7CCC8,stroke:#795548
+    style nest0_2 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_0 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_1 fill:#FFCDD2,stroke:#F44336
+    style nest1_2 fill:#D3F7F9,stroke:#80DDEA
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#795548,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_6.mmd b/train/mermaid/hard/mermaid_6.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bb708cfad0038123d1beddee1c1399a7df1aa7a5
--- /dev/null
+++ b/train/mermaid/hard/mermaid_6.mmd
@@ -0,0 +1,126 @@
+graph LR
+    N0([Market Analysis])
+    N1[Collateral Evaluation]
+    N2{Fraud Check}
+    N3([Wealth Management])
+    N4{AML Screening}
+    N5(Compliance Review)
+    N6(Portfolio Management)
+    N7(Account Closure)
+    N8([Account Verification])
+    N9(Approval Decision)
+    N10[/Merger and Acquisition/]
+    N11{Fund Disbursement}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Financial Advisory
+        nest0_0[[Asset Management]]
+        nest0_1([Securities Trading])
+    end
+    subgraph Transaction Audit
+        nest1_0([Blockchain Verification])
+        nest1_1[[Tax Preparation]]
+        nest1_2[[Loan Processing]]
+        nest1_3[(Credit Card Application)]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    N3 -.-> nest0_0
+    nest0_1 -.-> N10
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N5 --> |models| nest1_0
+    nest1_3 --> N1
+    N4 -.-> S0
+    S0 --> N7
+    S0 -.-> N10
+    S0 -.-> N11
+    N7 -.-> S1
+    S1 --> N10
+    S1 -.-> N11
+    S1 -.-> N9
+    N3 --> S2
+    S2 --> N10
+    S2 --> N7
+    N1 --> |consults| M0
+    N2 --> M0
+    N0 --> M0
+    M0 -.-> N5
+    N1 -.-> M1
+    N0 --> M1
+    M1 --> N3
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#F1F8E9,stroke:#81C784
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#BBDEFB,stroke:#2196F3
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#FCE4EC,stroke:#F06292
+    style N10 fill:#F1F8E9,stroke:#81C784
+    style N11 fill:#BBDEFB,stroke:#2196F3
+    style S0 fill:#FCE4EC,stroke:#F06292
+    style S1 fill:#FCE4EC,stroke:#F06292
+    style S2 fill:#BBDEFB,stroke:#2196F3
+    style M0 fill:#BBDEFB,stroke:#2196F3
+    style M1 fill:#F1F8E9,stroke:#81C784
+    style nest0_0 fill:#BBDEFB,stroke:#2196F3
+    style nest0_1 fill:#FCE4EC,stroke:#F06292
+    style nest1_0 fill:#F1F8E9,stroke:#81C784
+    style nest1_1 fill:#BBDEFB,stroke:#2196F3
+    style nest1_2 fill:#F1F8E9,stroke:#81C784
+    style nest1_3 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#81C784,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_600.mmd b/train/mermaid/hard/mermaid_600.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1cfbdf1d13c93ea2b4c07ae6091056bdf48499dd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_600.mmd
@@ -0,0 +1,136 @@
+graph TD
+    N0([start])
+    N1[(IoT Device Control via App)]
+    N2[Camera Integration]
+    N3[(Updates and Maintenance)]
+    N4[Wireframing]
+    N5(In_App Purchase Integration)
+    N6{Native App Development}
+    N7[Widget Development]
+    N8[/Ad Monetization/]
+    N9[/Security Implementation/]
+    N10[User Interface Design]
+    N11[[Payment Gateway Integration]]
+    N12([Real_time Communication Features])
+    N13[[Performance Optimization]]
+    N14[Chat Functionality]
+    N15([Deep Linking])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Cloud Backend for Mobile
+        nest0_0[(Gamification Elements)]
+        nest0_1(User Onboarding Flows)
+    end
+    subgraph Biometric Authentication
+        nest1_0[(Deployment to App Stores)]
+        nest1_1[(Concept Development)]
+        nest1_2[/User Feedback Collection/]
+        nest1_3[[Accessibility Features]]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    N1 -.-> nest0_0
+    nest0_1 --> N9
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N2 -.-> nest1_0
+    nest1_3 -.-> N1
+    N7 -.-> S0
+    S0 -.-> N14
+    S0 --> N13
+    N3 -.-> S1
+    S1 -.-> N10
+    S1 --> N7
+    S1 -.-> N6
+    S1 -.-> N9
+    N2 -.-> M0
+    N0 --> M0
+    N1 --> M0
+    M0 --> N4
+    N2 -.-> M1
+    N1 --> M1
+    N3 --> M1
+    M1 -.-> N5
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#E8F0FF,stroke:#A2D0FF
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#FFFDE7,stroke:#FFF176
+    style N6 fill:#E8F0FF,stroke:#A2D0FF
+    style N7 fill:#E8F0FF,stroke:#A2D0FF
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#E8F0FF,stroke:#A2D0FF
+    style N10 fill:#D1C4E9,stroke:#673AB7
+    style N11 fill:#E8F0FF,stroke:#A2D0FF
+    style N12 fill:#FFFDE7,stroke:#FFF176
+    style N13 fill:#D1C4E9,stroke:#673AB7
+    style N14 fill:#E8F0FF,stroke:#A2D0FF
+    style N15 fill:#FFFDE7,stroke:#FFF176
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    style S1 fill:#FFFDE7,stroke:#FFF176
+    style M0 fill:#FFFDE7,stroke:#FFF176
+    style M1 fill:#FFFDE7,stroke:#FFF176
+    style nest0_0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_1 fill:#FFFDE7,stroke:#FFF176
+    style nest1_0 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_1 fill:#D1C4E9,stroke:#673AB7
+    style nest1_2 fill:#FFFDE7,stroke:#FFF176
+    style nest1_3 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#A2D0FF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_600.txt b/train/mermaid/hard/mermaid_600.txt
new file mode 100644
index 0000000000000000000000000000000000000000..951e7cfe2f68165620922fc1d73d7f262d4c03d8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_600.txt
@@ -0,0 +1,41 @@
+<Accessibility Features, connectedTo, IoT Device Control via App>
+<Accessibility Features, partOf, Biometric Authentication>
+<Ad Monetization, connectedTo, Security Implementation>
+<Camera Integration, connectedTo, Deployment to App Stores>
+<Camera Integration, connectedTo, In_App Purchase Integration>
+<Camera Integration, connectedTo, Updates and Maintenance>
+<Camera Integration, connectedTo, Wireframing>
+<Chat Functionality, connectedTo, Deep Linking>
+<Concept Development, connectedTo, User Feedback Collection>
+<Concept Development, partOf, Biometric Authentication>
+<Deployment to App Stores, connectedTo, Concept Development>
+<Deployment to App Stores, partOf, Biometric Authentication>
+<Gamification Elements, connectedTo, User Onboarding Flows>
+<Gamification Elements, partOf, Cloud Backend for Mobile>
+<In_App Purchase Integration, connectedTo, Native App Development>
+<IoT Device Control via App, connectedTo, Camera Integration>
+<IoT Device Control via App, connectedTo, Gamification Elements>
+<IoT Device Control via App, connectedTo, In_App Purchase Integration>
+<IoT Device Control via App, connectedTo, Wireframing>
+<Native App Development, connectedTo, Widget Development>
+<Payment Gateway Integration, connectedTo, Real_time Communication Features>
+<Performance Optimization, connectedTo, Chat Functionality>
+<Real_time Communication Features, connectedTo, Performance Optimization>
+<Security Implementation, connectedTo, User Interface Design>
+<Updates and Maintenance, connectedTo, In_App Purchase Integration>
+<Updates and Maintenance, connectedTo, Native App Development>
+<Updates and Maintenance, connectedTo, Security Implementation>
+<Updates and Maintenance, connectedTo, User Interface Design>
+<Updates and Maintenance, connectedTo, Widget Development>
+<Updates and Maintenance, connectedTo, Wireframing>
+<User Feedback Collection, connectedTo, Accessibility Features>
+<User Feedback Collection, partOf, Biometric Authentication>
+<User Interface Design, connectedTo, Payment Gateway Integration>
+<User Onboarding Flows, connectedTo, Security Implementation>
+<User Onboarding Flows, partOf, Cloud Backend for Mobile>
+<Widget Development, connectedTo, Ad Monetization>
+<Widget Development, connectedTo, Chat Functionality>
+<Widget Development, connectedTo, Performance Optimization>
+<Wireframing, connectedTo, In_App Purchase Integration>
+<start, connectedTo, IoT Device Control via App>
+<start, connectedTo, Wireframing>
diff --git a/train/mermaid/hard/mermaid_602.txt b/train/mermaid/hard/mermaid_602.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b68aece9d3d4977deeb3f76bc48a758fb45c2834
--- /dev/null
+++ b/train/mermaid/hard/mermaid_602.txt
@@ -0,0 +1,42 @@
+<Audience Engagement, connectedTo, Platform Selection>
+<Audience Engagement, partOf, Trend Monitoring>
+<Brand Voice Development, connectedTo, Platform Selection>
+<Competitor Analysis, connectedTo, Reach and Impressions Tracking>
+<Content Creation, yes, Emerging Platform Exploration>
+<Content Moderation, connectedTo, Social Media Audits>
+<Customer Service on Social Media, connectedTo, Link_in_Bio Optimization>
+<Customer Service on Social Media, partOf, Partnership Management on Social>
+<Direct Messaging Strategy, connectedTo, Content Creation>
+<Direct Messaging Strategy, connectedTo, end>
+<Direct Messaging Strategy, no, Emerging Platform Exploration>
+<Emerging Platform Exploration, connectedTo, end>
+<Ethical Use of Social Media, connectedTo, Influencer Collaboration>
+<Ethical Use of Social Media, partOf, Trend Monitoring>
+<Follower Growth Monitoring, partOf, Trend Monitoring>
+<Follower Growth Monitoring, yes, Ethical Use of Social Media>
+<Influencer Collaboration, connectedTo, Audience Engagement>
+<Influencer Collaboration, partOf, Trend Monitoring>
+<Link_in_Bio Optimization, connectedTo, Reels or Short Video Production>
+<Live Streaming on Social Media, no, Follower Growth Monitoring>
+<Live Streaming on Social Media, no, Link_in_Bio Optimization>
+<Personal Branding on Social Media, connectedTo, Reporting and Optimization>
+<Personal Branding on Social Media, connectedTo, Social Media Audits>
+<Platform Algorithm Understanding, connectedTo, Brand Voice Development>
+<Platform Algorithm Understanding, connectedTo, Direct Messaging Strategy>
+<Platform Algorithm Understanding, connectedTo, Reputation Management>
+<Platform Algorithm Understanding, connectedTo, end>
+<Platform Selection, connectedTo, Content Moderation>
+<Reach and Impressions Tracking, connectedTo, Brand Voice Development>
+<Reach and Impressions Tracking, connectedTo, Personal Branding on Social Media>
+<Reels or Short Video Production, connectedTo, Platform Algorithm Understanding>
+<Reporting and Optimization, connectedTo, Brand Voice Development>
+<Reporting and Optimization, connectedTo, Social Listening>
+<Reporting and Optimization, no, Live Streaming on Social Media>
+<Reputation Management, connectedTo, Direct Messaging Strategy>
+<Social Listening, no, Social Selling>
+<Social Listening, partOf, Partnership Management on Social>
+<Social Media Audits, connectedTo, Reputation Management>
+<Social Selling, connectedTo, Customer Service on Social Media>
+<Social Selling, partOf, Partnership Management on Social>
+<start, connectedTo, Competitor Analysis>
+<start, connectedTo, Social Media Audits>
diff --git a/train/mermaid/hard/mermaid_603.png b/train/mermaid/hard/mermaid_603.png
new file mode 100644
index 0000000000000000000000000000000000000000..8624857020a1989799b0b85a3c8c6d66b6c1d745
--- /dev/null
+++ b/train/mermaid/hard/mermaid_603.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48b9faaba0a871d53a267a76073a05c298aab39d26d4c6f9fdd95994669a3c48
+size 550688
diff --git a/train/mermaid/hard/mermaid_605.txt b/train/mermaid/hard/mermaid_605.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8054a08d43eada25628209dac62ebc28bed5f308
--- /dev/null
+++ b/train/mermaid/hard/mermaid_605.txt
@@ -0,0 +1,37 @@
+<Brand Voice Development, connectedTo, Competitor Analysis>
+<Brand Voice Development, partOf, Customer Service on Social Media>
+<Competitor Analysis, connectedTo, Scheduling Posts>
+<Competitor Analysis, connectedTo, Social Media Audits>
+<Content Creation, connectedTo, Follower Growth Monitoring>
+<Content Creation, explores new features, Platform Selection>
+<Follower Growth Monitoring, connectedTo, Social Listening>
+<Follower Growth Monitoring, partOf, Customer Service on Social Media>
+<Group Management, connectedTo, Reputation Management>
+<Hashtag Research, conducts social audits, Live Streaming on Social Media>
+<Influencer Collaboration, connectedTo, Social Media Audits>
+<Influencer Collaboration, connectedTo, Social Selling>
+<Live Streaming on Social Media, develops strategies, Competitor Analysis>
+<Personal Branding on Social Media, partOf, Crisis Management>
+<Personal Branding on Social Media, understands algorithms, Platform Selection>
+<Platform Algorithm Understanding, connectedTo, Personal Branding on Social Media>
+<Platform Algorithm Understanding, partOf, Crisis Management>
+<Platform Selection, connectedTo, Crisis Communication Plan>
+<Reach and Impressions Tracking, connectedTo, Hashtag Research>
+<Reach and Impressions Tracking, connectedTo, Platform Selection>
+<Reach and Impressions Tracking, connectedTo, Reels or Short Video Production>
+<Reach and Impressions Tracking, connectedTo, Scheduling Posts>
+<Reels or Short Video Production, connectedTo, Competitor Analysis>
+<Reels or Short Video Production, connectedTo, Crisis Communication Plan>
+<Reels or Short Video Production, connectedTo, Hashtag Research>
+<Reels or Short Video Production, connectedTo, Platform Selection>
+<Reporting and Optimization, connectedTo, Content Creation>
+<Reputation Management, connectedTo, Reporting and Optimization>
+<Scheduling Posts, connectedTo, Social Media Audits>
+<Social Listening, connectedTo, Brand Voice Development>
+<Social Listening, partOf, Customer Service on Social Media>
+<Social Media Audits, connectedTo, Story Format Content Creation>
+<Social Selling, connectedTo, Hashtag Research>
+<Social Selling, connectedTo, User_Generated Content Curation>
+<Story Format Content Creation, connectedTo, Group Management>
+<Story Format Content Creation, connectedTo, Platform Algorithm Understanding>
+<User_Generated Content Curation, creates content, Reach and Impressions Tracking>
diff --git a/train/mermaid/hard/mermaid_608.mmd b/train/mermaid/hard/mermaid_608.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7eb244b88f439aeee334e0f0ae661aa412d8d5b7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_608.mmd
@@ -0,0 +1,150 @@
+graph LR
+    N0([Reels or Short Video Production])
+    N1(Audience Engagement)
+    N2[Content Strategy]
+    N3[(User_Generated Content Curation)]
+    N4{Live Streaming on Social Media}
+    N5[Platform Selection]
+    N6(Paid Social Media Advertising)
+    N7[/Link_in_Bio Optimization/]
+    N8([Campaign Management])
+    N9[Brand Voice Development]
+    N10[(Trend Monitoring)]
+    N11[(Content Creation)]
+    N12[(Social Selling)]
+    N13[(Crisis Communication Plan)]
+    N14([Follower Growth Monitoring])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Partnership Management on Social
+        nest0_0[Reach and Impressions Tracking]
+        nest0_1[Story Format Content Creation]
+        nest0_2(Community Management)
+    end
+    subgraph Competitor Analysis
+        nest1_0[Direct Messaging Strategy]
+        nest1_1{Ethical Use of Social Media}
+        nest1_2[/Customer Service on Social Media/]
+        nest1_3[[Performance Analytics]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N13 --> nest0_0
+    nest0_2 -.-> N6
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N13 --> nest1_0
+    nest1_3 --> N4
+    N9 -.-> S0
+    S0 -.-> N11
+    S0 -.-> |performs social listening| N14
+    S0 -.-> N12
+    S0 --> |considers ethics| N13
+    N7 --> S1
+    S1 --> N9
+    S1 -.-> N11
+    S1 -.-> N14
+    S1 -.-> N13
+    N4 --> M0
+    N0 --> M0
+    N3 --> M0
+    M0 --> N12
+    N6 --> M1
+    N4 -.-> M1
+    M1 --> N8
+    N3 --> M2
+    N0 --> M2
+    N8 --> M2
+    N7 --> M2
+    M2 --> N10
+    style N0 fill:#FFFDE7,stroke:#FFF176
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#FFEBEE,stroke:#E57373
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#EDF5F3,stroke:#A1D7CD
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#FFEBEE,stroke:#E57373
+    style N10 fill:#FFEBEE,stroke:#E57373
+    style N11 fill:#EDF5F3,stroke:#A1D7CD
+    style N12 fill:#FFEBEE,stroke:#E57373
+    style N13 fill:#EDF5F3,stroke:#A1D7CD
+    style N14 fill:#EDF5F3,stroke:#A1D7CD
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    style S1 fill:#EDF5F3,stroke:#A1D7CD
+    style M0 fill:#FFEBEE,stroke:#E57373
+    style M1 fill:#FFEBEE,stroke:#E57373
+    style M2 fill:#FFEBEE,stroke:#E57373
+    style nest0_0 fill:#FFEBEE,stroke:#E57373
+    style nest0_1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_2 fill:#FFEBEE,stroke:#E57373
+    style nest1_0 fill:#EDF5F3,stroke:#A1D7CD
+    style nest1_1 fill:#FFFDE7,stroke:#FFF176
+    style nest1_2 fill:#EDF5F3,stroke:#A1D7CD
+    style nest1_3 fill:#EDF5F3,stroke:#A1D7CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_608.txt b/train/mermaid/hard/mermaid_608.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f3a881d16c9d5f2fec6e006f44353c1598136f2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_608.txt
@@ -0,0 +1,47 @@
+<Audience Engagement, connectedTo, Content Strategy>
+<Brand Voice Development, connectedTo, Content Creation>
+<Brand Voice Development, connectedTo, Social Selling>
+<Brand Voice Development, connectedTo, Trend Monitoring>
+<Brand Voice Development, considers ethics, Crisis Communication Plan>
+<Brand Voice Development, performs social listening, Follower Growth Monitoring>
+<Campaign Management, connectedTo, Brand Voice Development>
+<Campaign Management, connectedTo, Trend Monitoring>
+<Community Management, connectedTo, Paid Social Media Advertising>
+<Community Management, partOf, Partnership Management on Social>
+<Content Creation, connectedTo, Social Selling>
+<Content Strategy, connectedTo, User_Generated Content Curation>
+<Crisis Communication Plan, connectedTo, Direct Messaging Strategy>
+<Crisis Communication Plan, connectedTo, Follower Growth Monitoring>
+<Crisis Communication Plan, connectedTo, Reach and Impressions Tracking>
+<Customer Service on Social Media, connectedTo, Performance Analytics>
+<Customer Service on Social Media, partOf, Competitor Analysis>
+<Direct Messaging Strategy, connectedTo, Ethical Use of Social Media>
+<Direct Messaging Strategy, partOf, Competitor Analysis>
+<Ethical Use of Social Media, connectedTo, Customer Service on Social Media>
+<Ethical Use of Social Media, partOf, Competitor Analysis>
+<Link_in_Bio Optimization, connectedTo, Brand Voice Development>
+<Link_in_Bio Optimization, connectedTo, Campaign Management>
+<Link_in_Bio Optimization, connectedTo, Content Creation>
+<Link_in_Bio Optimization, connectedTo, Crisis Communication Plan>
+<Link_in_Bio Optimization, connectedTo, Follower Growth Monitoring>
+<Link_in_Bio Optimization, connectedTo, Trend Monitoring>
+<Live Streaming on Social Media, connectedTo, Campaign Management>
+<Live Streaming on Social Media, connectedTo, Platform Selection>
+<Live Streaming on Social Media, connectedTo, Social Selling>
+<Paid Social Media Advertising, connectedTo, Campaign Management>
+<Paid Social Media Advertising, connectedTo, Link_in_Bio Optimization>
+<Performance Analytics, connectedTo, Live Streaming on Social Media>
+<Performance Analytics, partOf, Competitor Analysis>
+<Platform Selection, connectedTo, Paid Social Media Advertising>
+<Reach and Impressions Tracking, connectedTo, Story Format Content Creation>
+<Reach and Impressions Tracking, partOf, Partnership Management on Social>
+<Reels or Short Video Production, connectedTo, Audience Engagement>
+<Reels or Short Video Production, connectedTo, Social Selling>
+<Reels or Short Video Production, connectedTo, Trend Monitoring>
+<Social Selling, connectedTo, Crisis Communication Plan>
+<Story Format Content Creation, connectedTo, Community Management>
+<Story Format Content Creation, partOf, Partnership Management on Social>
+<Trend Monitoring, connectedTo, Content Creation>
+<User_Generated Content Curation, connectedTo, Live Streaming on Social Media>
+<User_Generated Content Curation, connectedTo, Social Selling>
+<User_Generated Content Curation, connectedTo, Trend Monitoring>
diff --git a/train/mermaid/hard/mermaid_613.mmd b/train/mermaid/hard/mermaid_613.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..483d330c8f8c7d53cbf4b55cb194f51b8f255c99
--- /dev/null
+++ b/train/mermaid/hard/mermaid_613.mmd
@@ -0,0 +1,108 @@
+graph BT
+    N0([Paid Search Advertising])
+    N1[[Google Analytics Integration]]
+    N2[/Shopping Search/]
+    N3[(Google My Business Management)]
+    N4[/Voice Search Optimization/]
+    N5[(Mobile_First Indexing)]
+    N6([Query Processing])
+    N7[/Knowledge Graph Integration/]
+    N8(Academic Search)
+    N9[[Video Search]]
+    N10[Indexing Content]
+    N11(Semantic Search)
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Rank Tracking
+        nest0_0[[Search Console Management]]
+        nest0_1[[News Search]]
+        nest0_2[Schema Markup Implementation]
+    end
+    subgraph Core Web Vitals Optimization
+        nest1_0[[Local SEO]]
+        nest1_1[[Featured Snippets Optimization]]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N3 -.-> nest0_0
+    nest0_2 -.-> N2
+    nest1_0 -.-> nest1_1
+    N5 -.-> nest1_0
+    nest1_1 --> N7
+    N1 -.-> S0
+    S0 -.-> N9
+    S0 --> N8
+    S0 -.-> N3
+    S0 --> N4
+    N3 --> M0
+    N5 -.-> M0
+    N4 --> M0
+    N7 -.-> M0
+    M0 --> N9
+    N1 -.-> M1
+    N2 -.-> M1
+    M1 --> N4
+    style N0 fill:#D7CCC8,stroke:#795548
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#D7CCC8,stroke:#795548
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#D7CCC8,stroke:#795548
+    style N8 fill:#D7CCC8,stroke:#795548
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    style N10 fill:#FCE4EC,stroke:#E91E63
+    style N11 fill:#FFEBEE,stroke:#E57373
+    style S0 fill:#D7CCC8,stroke:#795548
+    style M0 fill:#FCE4EC,stroke:#E91E63
+    style M1 fill:#FFEBEE,stroke:#E57373
+    style nest0_0 fill:#D7CCC8,stroke:#795548
+    style nest0_1 fill:#FFEBEE,stroke:#E57373
+    style nest0_2 fill:#D7CCC8,stroke:#795548
+    style nest1_0 fill:#FFEBEE,stroke:#E57373
+    style nest1_1 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_614.mmd b/train/mermaid/hard/mermaid_614.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0205d44315231f35d32a52edd9f0c0dc91b9a0fb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_614.mmd
@@ -0,0 +1,126 @@
+graph BT
+    N0([Voice Search Optimization])
+    N1[Video Search]
+    N2[(Off_Page SEO)]
+    N3[/News Search/]
+    N4[Featured Snippets Optimization]
+    N5[(Local SEO)]
+    N6[(Content Quality Assessment)]
+    N7[/Shopping Search/]
+    N8[Keyword Research]
+    N9[Semantic Search]
+    N10[Search Console Management]
+    N11([Paid Search Advertising])
+    N12[Google Analytics Integration]
+    N13[[User Experience for Search]]
+    N14([Search Engine Optimization])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Academic Search
+        nest0_0[/Mobile_First Indexing/]
+        nest0_1[Google My Business Management]
+    end
+    subgraph Schema Markup Implementation
+        nest1_0(Ranking Algorithms)
+        nest1_1[Site Architecture Optimization]
+        nest1_2[/Rank Tracking/]
+        nest1_3(On_Page SEO)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    N12 -.-> nest0_0
+    nest0_1 --> N12
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> |displays snippets| nest1_3
+    N1 -.-> nest1_0
+    nest1_3 -.-> N9
+    N11 -.-> S0
+    S0 -.-> N14
+    S0 -.-> N13
+    N8 --> S1
+    S1 --> N11
+    S1 --> N13
+    S1 --> N14
+    N4 --> M0
+    N0 --> M0
+    M0 --> N6
+    N9 --> M1
+    N1 --> M1
+    M1 --> N12
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#EBEBEB,stroke:#E0E0E0
+    style N5 fill:#B2EBF2,stroke:#00BCD4
+    style N6 fill:#FFF9C4,stroke:#FFEB3B
+    style N7 fill:#EBEBEB,stroke:#E0E0E0
+    style N8 fill:#EBEBEB,stroke:#E0E0E0
+    style N9 fill:#FFF9C4,stroke:#FFEB3B
+    style N10 fill:#EBEBEB,stroke:#E0E0E0
+    style N11 fill:#FFF9C4,stroke:#FFEB3B
+    style N12 fill:#EBEBEB,stroke:#E0E0E0
+    style N13 fill:#B2EBF2,stroke:#00BCD4
+    style N14 fill:#EBEBEB,stroke:#E0E0E0
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style S1 fill:#B2EBF2,stroke:#00BCD4
+    style M0 fill:#B2EBF2,stroke:#00BCD4
+    style M1 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_0 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest1_0 fill:#EBEBEB,stroke:#E0E0E0
+    style nest1_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest1_2 fill:#FFF9C4,stroke:#FFEB3B
+    style nest1_3 fill:#B2EBF2,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#E0E0E0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_615.mmd b/train/mermaid/hard/mermaid_615.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..96c42e0f7bdc40c8054a92334a0b72a0740e9ab7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_615.mmd
@@ -0,0 +1,84 @@
+graph LR
+    N0([start])
+    N1([Mobile_First Indexing])
+    N2[(Semantic Search)]
+    N3[(Personalized Search Results)]
+    N4(On_Page SEO)
+    N5[Rank Tracking]
+    N6[[Shopping Search]]
+    N7([Knowledge Graph Integration])
+    S0(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Image Search
+        nest0_0[/Off_Page SEO/]
+        nest0_1[/Search Engine Marketing Strategy/]
+        nest0_2[Core Web Vitals Optimization]
+        nest0_3(User Experience for Search)
+    end
+    subgraph Negative SEO Prevention
+        nest1_0([News Search])
+        nest1_1[(Keyword Research)]
+        nest1_2[Local SEO]
+        nest1_3(Featured Snippets Optimization)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |no| nest0_2
+    nest0_2 -.-> nest0_3
+    N5 --> nest0_0
+    nest0_3 --> N4
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N4 --> nest1_0
+    nest1_3 -.-> |no| N5
+    N0 -.-> S0
+    S0 --> N3
+    S0 --> N2
+    S0 --> N6
+    N3 --> M0
+    N0 -.-> M0
+    M0 -.-> N7
+    N0 --> |no| M2
+    N3 -.-> M2
+    N2 -.-> M2
+    M2 --> N5
+    style S0 fill:#C8E6C9,stroke:#4CAF50
+    style M0 fill:#FDFCEB,stroke:#EAEFA5
+    style M2 fill:#FDFCEB,stroke:#EAEFA5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_617.txt b/train/mermaid/hard/mermaid_617.txt
new file mode 100644
index 0000000000000000000000000000000000000000..314bd9e7ff734a584fc0df30bdcc5b459f70f0a6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_617.txt
@@ -0,0 +1,37 @@
+<Biometric Authentication, connectedTo, Workforce Identity Management>
+<Compliance with Data Protection Regulations, connectedTo, Credential Management>
+<Compliance with Data Protection Regulations, connectedTo, Portable Identities>
+<Credential Management, connectedTo, Digital Certificates>
+<Credential Management, connectedTo, User Registration>
+<Customer Identity and Access Management, connectedTo, Digital Wallets for Identity>
+<Customer Identity and Access Management, partOf, Data Minimization Principles>
+<Data Encryption for Identity, connectedTo, Identity as a Service>
+<Data Encryption for Identity, partOf, Decentralized Identifiers>
+<Digital Certificates, connectedTo, Customer Identity and Access Management>
+<Digital Certificates, connectedTo, Portable Identities>
+<Digital Certificates, connectedTo, Privacy Management>
+<Digital Wallets for Identity, connectedTo, Identity Proofing>
+<Digital Wallets for Identity, partOf, Data Minimization Principles>
+<Identity Proofing, partOf, Data Minimization Principles>
+<Identity Proofing, yes, Credential Management>
+<Identity Verification, connectedTo, Data Encryption for Identity>
+<Identity Verification, partOf, Decentralized Identifiers>
+<Identity as a Service, connectedTo, Biometric Authentication>
+<Identity as a Service, connectedTo, Non_Repudiation>
+<Identity as a Service, connectedTo, Portable Identities>
+<Multi_Factor Authentication, connectedTo, Biometric Authentication>
+<Non_Repudiation, connectedTo, Biometric Authentication>
+<Non_Repudiation, connectedTo, Portable Identities>
+<Portable Identities, connectedTo, Multi_Factor Authentication>
+<Portable Identities, connectedTo, Workforce Identity Management>
+<Portable Identities, yes, Biometric Authentication>
+<Portable Identities, yes, Risk_Based Authentication>
+<Privacy Management, connectedTo, Biometric Authentication>
+<Privacy Management, connectedTo, Identity Verification>
+<Privacy Management, connectedTo, Identity as a Service>
+<Risk_Based Authentication, connectedTo, Biometric Authentication>
+<Risk_Based Authentication, connectedTo, Workforce Identity Management>
+<Risk_Based Authentication, yes, Multi_Factor Authentication>
+<User Registration, connectedTo, Digital Certificates>
+<start, connectedTo, Compliance with Data Protection Regulations>
+<start, connectedTo, Digital Certificates>
diff --git a/train/mermaid/hard/mermaid_623.mmd b/train/mermaid/hard/mermaid_623.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..48f5103ce74437265f651d0467f405856a6a478a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_623.mmd
@@ -0,0 +1,124 @@
+graph LR
+    N0([start])
+    N1{Adaptive Authentication}
+    N2[[Biometric Authentication]]
+    N3[[Password Management]]
+    N4[Authorization]
+    N5(Verifiable Credentials)
+    N6[/Federated Identity Management/]
+    N7(Social Login Integration)
+    N8[(Identity Proofing)]
+    N9[(Multi_Factor Authentication)]
+    N10[Attribute Management]
+    N11[Single Sign_On]
+    N12([Decentralized Identifiers])
+    N13[[User Provisioning]]
+    N14[Risk_Based Authentication]
+    N15[Digital Wallets for Identity]
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph KYC Integration
+        nest0_0([Compliance with Data Protection Regulations])
+        nest0_1[Identity as a Service]
+        nest0_2[/Privileged Access Management/]
+    end
+    subgraph Customer Identity and Access Management
+        nest1_0{Portable Identities}
+        nest1_1[/Identity Lifecycle Management/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 -.-> N16
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N1 --> nest0_0
+    nest0_2 --> N6
+    nest1_0 --> nest1_1
+    N9 -.-> nest1_0
+    nest1_1 --> N2
+    N4 --> S0
+    S0 -.-> |yes| N7
+    S0 -.-> N15
+    S0 --> N8
+    S0 -.-> N14
+    N6 -.-> S1
+    S1 --> N13
+    S1 --> N16
+    S1 --> N12
+    N0 --> M0
+    N1 --> M0
+    M0 -.-> N3
+    N9 --> M1
+    N12 --> M1
+    N6 --> M1
+    M1 -.-> N16
+    N0 -.-> M2
+    N2 -.-> M2
+    N1 -.-> M2
+    M2 --> N4
+    style S0 fill:#C9F0F0,stroke:#4DD0E1
+    style S1 fill:#B2EBF2,stroke:#00BCD4
+    style M0 fill:#B2EBF2,stroke:#00BCD4
+    style M1 fill:#B2EBF2,stroke:#00BCD4
+    style M2 fill:#B2EBF2,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_625.mmd b/train/mermaid/hard/mermaid_625.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..27e5a14681188729128573dfdf0fe9497d06b936
--- /dev/null
+++ b/train/mermaid/hard/mermaid_625.mmd
@@ -0,0 +1,140 @@
+graph BT
+    N0([Student Engagement Strategies])
+    N1[(Learning Analytics)]
+    N2(Accessibility Features)
+    N3{Personalized Learning Paths}
+    N4[Course Evaluation]
+    N5([Test Preparation Courses])
+    N6[Language Learning Platforms]
+    N7[Interactive Learning Activities]
+    N8[Asynchronous Learning]
+    N9[/Feedback and Grading/]
+    N10[Online Tutoring]
+    N11[Virtual Classroom Facilitation]
+    N12[Curriculum Development]
+    N13[Open Educational Resources Integration]
+    N14[/Gamification in Education/]
+    N15[[Peer_to_Peer Learning]]
+    N16{Discussion Forum Moderation}
+    N17[(Virtual Labs and Simulations)]
+    N18([Synchronous Learning])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Professional Development Courses
+        nest0_0(Parent or Guardian Communication)
+        nest0_1[[Instructor Training]]
+        nest0_2([Competency_Based Education])
+    end
+    subgraph AI in Online Education
+        nest1_0[Course Design]
+        nest1_1[Accreditation Management]
+        nest1_2(Enrollment and Retention Strategies)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 --> N16
+    N16 --> N17
+    N17 -.-> N18
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N4 -.-> nest0_0
+    nest0_2 --> N9
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N6 --> nest1_0
+    nest1_2 -.-> |integrates AI| N11
+    N0 -.-> S0
+    S0 --> N2
+    S0 -.-> N16
+    S0 -.-> N17
+    S0 --> |creates courses| N15
+    N2 -.-> M0
+    N6 --> M0
+    N8 -.-> M0
+    M0 --> N12
+    N6 --> M1
+    N1 --> M1
+    N7 -.-> M1
+    M1 --> N10
+    style N0 fill:#C9F0F0,stroke:#4DD0E1
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#C9F0F0,stroke:#4DD0E1
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#F1F8FF,stroke:#42A5F5
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#F1F8FF,stroke:#42A5F5
+    style N8 fill:#F1F8FF,stroke:#42A5F5
+    style N9 fill:#C9F0F0,stroke:#4DD0E1
+    style N10 fill:#FBE9E7,stroke:#FF8A65
+    style N11 fill:#FBE9E7,stroke:#FF8A65
+    style N12 fill:#C9F0F0,stroke:#4DD0E1
+    style N13 fill:#F1F8FF,stroke:#42A5F5
+    style N14 fill:#F1F8FF,stroke:#42A5F5
+    style N15 fill:#C9F0F0,stroke:#4DD0E1
+    style N16 fill:#FBE9E7,stroke:#FF8A65
+    style N17 fill:#F1F8FF,stroke:#42A5F5
+    style N18 fill:#F1F8FF,stroke:#42A5F5
+    style S0 fill:#F1F8FF,stroke:#42A5F5
+    style M0 fill:#C9F0F0,stroke:#4DD0E1
+    style M1 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_1 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_2 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_1 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_2 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_631.mmd b/train/mermaid/hard/mermaid_631.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5894b460a0e0fc1963a6b3a97006facfa136d9e8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_631.mmd
@@ -0,0 +1,96 @@
+graph BT
+    N0([start])
+    N1[[Student Engagement Strategies]]
+    N2(Micro_credential Programs)
+    N3[(Open Educational Resources Integration)]
+    N4[Peer_to_Peer Learning]
+    N5[Accessibility Features]
+    N6[Personalized Learning Paths]
+    N7[Interactive Learning Activities]
+    N8[/Blended Learning Models/]
+    N9(Adaptive Learning Technologies)
+    N10[[Parent or Guardian Communication]]
+    N11[Discussion Forum Moderation]
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Virtual Labs and Simulations
+        nest0_0[Feedback and Grading]
+        nest0_1{Learning Analytics}
+    end
+    subgraph AI in Online Education
+        nest1_0[(Bootcamp Development)]
+        nest1_1(Collaborative Projects)
+        nest1_2(Test Preparation Courses)
+        nest1_3[(Asynchronous Learning)]
+    end
+    N0 --> |yes| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    nest0_0 --> nest0_1
+    N4 --> nest0_0
+    nest0_1 --> N7
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N10 -.-> nest1_0
+    nest1_3 --> N8
+    N8 -.-> S0
+    S0 --> N10
+    S0 -.-> |no| N11
+    N2 --> S2
+    S2 -.-> N8
+    S2 --> N10
+    N4 --> M0
+    N2 --> M0
+    M0 --> N6
+    N3 --> M2
+    N7 --> |yes| M2
+    N5 -.-> M2
+    M2 -.-> N9
+    style S0 fill:#E8EAF6,stroke:#7986CB
+    style S2 fill:#E8EAF6,stroke:#7986CB
+    style M0 fill:#FCE4EC,stroke:#E91E63
+    style M2 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_632.txt b/train/mermaid/hard/mermaid_632.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fc7c60471c11a7ae7e8853c119a1cae7b7ee49d0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_632.txt
@@ -0,0 +1,36 @@
+<Accessibility Features, connectedTo, Blended Learning Models>
+<Accreditation Management, connectedTo, Learning Management System Administration>
+<Blended Learning Models, connectedTo, Accreditation Management>
+<Blended Learning Models, connectedTo, Peer_to_Peer Learning>
+<Blended Learning Models, connectedTo, Personalized Learning Paths>
+<Blended Learning Models, connectedTo, Virtual Classroom Facilitation>
+<Bootcamp Development, connectedTo, Online Tutoring>
+<Bootcamp Development, partOf, Feedback and Grading>
+<Course Design, connectedTo, Online Tutoring>
+<Course Design, connectedTo, Personalized Learning Paths>
+<Course Design, connectedTo, Virtual Classroom Facilitation>
+<Course Design, connectedTo, end>
+<Discussion Forum Moderation, connectedTo, Learning Analytics>
+<Discussion Forum Moderation, partOf, Feedback and Grading>
+<Language Learning Platforms, connectedTo, Accessibility Features>
+<Language Learning Platforms, connectedTo, Accreditation Management>
+<Language Learning Platforms, connectedTo, Micro_credential Programs>
+<Learning Analytics, connectedTo, Bootcamp Development>
+<Learning Analytics, partOf, Feedback and Grading>
+<Learning Management System Administration, connectedTo, Course Design>
+<Micro_credential Programs, connectedTo, Accessibility Features>
+<Micro_credential Programs, connectedTo, Accreditation Management>
+<Online Tutoring, connectedTo, Personalized Learning Paths>
+<Open Educational Resources Integration, connectedTo, Accreditation Management>
+<Open Educational Resources Integration, connectedTo, Discussion Forum Moderation>
+<Parent or Guardian Communication, connectedTo, Language Learning Platforms>
+<Parent or Guardian Communication, partOf, Gamification in Education>
+<Peer_to_Peer Learning, connectedTo, Open Educational Resources Integration>
+<Personalized Learning Paths, connectedTo, Virtual Classroom Facilitation>
+<Student Progress Tracking, connectedTo, Virtual Labs and Simulations>
+<Student Progress Tracking, connectedTo, end>
+<Virtual Classroom Facilitation, connectedTo, Student Progress Tracking>
+<Virtual Labs and Simulations, connectedTo, Parent or Guardian Communication>
+<Virtual Labs and Simulations, partOf, Gamification in Education>
+<start, connectedTo, Accessibility Features>
+<start, connectedTo, Language Learning Platforms>
diff --git a/train/mermaid/hard/mermaid_634.mmd b/train/mermaid/hard/mermaid_634.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..989c7d56a06778702142a7c8f203f30ca9f39833
--- /dev/null
+++ b/train/mermaid/hard/mermaid_634.mmd
@@ -0,0 +1,152 @@
+graph TD
+    N0([start])
+    N1[(Gamification for Engagement)]
+    N2{Career Pathway Mapping}
+    N3[Learner Analytics]
+    N4[Course Content Development]
+    N5{Corporate Training Solutions}
+    N6[Peer Grading Implementation]
+    N7[/Financial Aid for Learners/]
+    N8[[Completion Rate Optimization]]
+    N9(Instructor Recruitment for MOOCs)
+    N10(Mobile Learning Experience)
+    N11[Content Licensing]
+    N12{Skill_Based Learning Outcomes}
+    N13(Course Retirement Planning)
+    N14[[Video Lecture Production]]
+    N15(Forum Moderation)
+    N16[Self_Paced Learning Tracks]
+    N17([Continuous Course Improvement])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Micro_credential Stacking
+        nest0_0[Learner Feedback Analysis]
+        nest0_1{Employer Recognition}
+        nest0_2{Discussion Forum Management}
+    end
+    subgraph Marketing to Global Audience
+        nest1_0(Translation and Localization)
+        nest1_1(Assessment Creation)
+        nest1_2([Subscription Models])
+    end
+    N0 -.-> N1
+    N1 --> |designs courses| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    N16 -.-> |updates content| N17
+    nest0_0 --> nest0_1
+    nest0_1 --> |offers assignments| nest0_2
+    N3 -.-> nest0_0
+    nest0_2 --> N1
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N16 -.-> nest1_0
+    nest1_2 -.-> N12
+    N4 -.-> S0
+    S0 --> N8
+    S0 -.-> N6
+    S0 -.-> N16
+    N9 --> S1
+    S1 -.-> N16
+    S1 --> N13
+    S1 --> N17
+    N2 --> S2
+    S2 -.-> N11
+    S2 -.-> N6
+    S2 --> N4
+    N9 -.-> M0
+    N5 -.-> M0
+    M0 -.-> N12
+    N7 -.-> M1
+    N4 --> M1
+    N3 -.-> M1
+    M1 --> N9
+    style N0 fill:#C8E6C9,stroke:#388E3C
+    style N1 fill:#FFF9D4,stroke:#FFE69C
+    style N2 fill:#C8E6C9,stroke:#388E3C
+    style N3 fill:#FFCCBC,stroke:#FF5722
+    style N4 fill:#FFF9D4,stroke:#FFE69C
+    style N5 fill:#FFCCBC,stroke:#FF5722
+    style N6 fill:#FFCCBC,stroke:#FF5722
+    style N7 fill:#C8E6C9,stroke:#388E3C
+    style N8 fill:#C8E6C9,stroke:#388E3C
+    style N9 fill:#C8E6C9,stroke:#388E3C
+    style N10 fill:#FFCCBC,stroke:#FF5722
+    style N11 fill:#FFCCBC,stroke:#FF5722
+    style N12 fill:#C8E6C9,stroke:#388E3C
+    style N13 fill:#FFF9D4,stroke:#FFE69C
+    style N14 fill:#C8E6C9,stroke:#388E3C
+    style N15 fill:#FFCCBC,stroke:#FF5722
+    style N16 fill:#C8E6C9,stroke:#388E3C
+    style N17 fill:#C8E6C9,stroke:#388E3C
+    style S0 fill:#FFCCBC,stroke:#FF5722
+    style S1 fill:#C8E6C9,stroke:#388E3C
+    style S2 fill:#FFCCBC,stroke:#FF5722
+    style M0 fill:#C8E6C9,stroke:#388E3C
+    style M1 fill:#C8E6C9,stroke:#388E3C
+    style nest0_0 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_1 fill:#FFCCBC,stroke:#FF5722
+    style nest0_2 fill:#FFCCBC,stroke:#FF5722
+    style nest1_0 fill:#FFF9D4,stroke:#FFE69C
+    style nest1_1 fill:#FFF9D4,stroke:#FFE69C
+    style nest1_2 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_637.mmd b/train/mermaid/hard/mermaid_637.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..de6ddfc48982d5e8ccc95f5a8ee578a564be96e3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_637.mmd
@@ -0,0 +1,142 @@
+graph RL
+    N0([start])
+    N1[Translation and Localization]
+    N2[(Course Retirement Planning)]
+    N3[/Self_Paced Learning Tracks/]
+    N4[(Research on MOOC Effectiveness)]
+    N5([Instructor_Led Sessions])
+    N6[[Video Lecture Production]]
+    N7([Instructor Recruitment for MOOCs])
+    N8[[Verified Track Management]]
+    N9{Specialization or Professional Certificate Programs}
+    N10[Content Licensing]
+    N11[University Partnerships]
+    N12([Learner Feedback Analysis])
+    N13(Micro_credential Stacking)
+    N14[Learner Analytics]
+    N15[(Learner Support)]
+    N16[(Global Accessibility Features)]
+    N17[/Completion Rate Optimization/]
+    N18([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Industry Collaboration for Content
+        nest0_0{Course Content Development}
+        nest0_1[/Skill_Based Learning Outcomes/]
+        nest0_2[Peer Grading Implementation]
+    end
+    subgraph Engagement Metrics Tracking
+        nest1_0[[Course Promotion]]
+        nest1_1(Platform Selection)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> |yes| N16
+    N16 -.-> N17
+    N17 -.-> N18
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |yes| nest0_2
+    N1 --> nest0_0
+    nest0_2 --> N7
+    nest1_0 -.-> nest1_1
+    N14 -.-> nest1_0
+    nest1_1 -.-> N11
+    N14 -.-> S0
+    S0 --> N16
+    S0 --> N17
+    N1 -.-> S1
+    S1 -.-> N14
+    S1 -.-> N15
+    S1 -.-> N9
+    S1 --> N11
+    N6 --> S2
+    S2 --> N17
+    S2 -.-> N10
+    S2 -.-> N8
+    S2 -.-> N12
+    N1 --> M0
+    N7 --> M0
+    N10 --> |yes| M0
+    N5 -.-> |yes| M0
+    M0 -.-> N18
+    N2 --> |no| M1
+    N0 --> M1
+    M1 --> N4
+    N0 -.-> M2
+    N3 -.-> M2
+    N1 -.-> M2
+    M2 --> N6
+    style S0 fill:#E0F2F1,stroke:#26A69A
+    style S1 fill:#ECCFF5,stroke:#CD8FF2
+    style S2 fill:#F8BBD0,stroke:#E91E63
+    style M0 fill:#ECCFF5,stroke:#CD8FF2
+    style M1 fill:#F8BBD0,stroke:#E91E63
+    style M2 fill:#F8BBD0,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 47 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 48 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 49 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_638.txt b/train/mermaid/hard/mermaid_638.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f0596afd4364d0f79c244294ea0a3ba92e0b8ee3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_638.txt
@@ -0,0 +1,35 @@
+<Completion Rate Optimization, connectedTo, Technical Infrastructure for Scale>
+<Completion Rate Optimization, partOf, Translation and Localization>
+<Corporate Training Solutions, connectedTo, Employer Recognition>
+<Corporate Training Solutions, connectedTo, Learner Feedback Analysis>
+<Corporate Training Solutions, connectedTo, Specialization or Professional Certificate Programs>
+<Corporate Training Solutions, no, Self_Paced Learning Tracks>
+<Course Audit Options, connectedTo, Micro_credential Stacking>
+<Course Audit Options, partOf, Certificate of Completion Issuance>
+<Employer Recognition, connectedTo, Engagement Metrics Tracking>
+<Employer Recognition, connectedTo, Research on MOOC Effectiveness>
+<Engagement Metrics Tracking, connectedTo, Instructor_Led Sessions>
+<Engagement Metrics Tracking, partOf, Certificate of Completion Issuance>
+<Instructor Recruitment for MOOCs, connectedTo, Employer Recognition>
+<Instructor_Led Sessions, connectedTo, Course Audit Options>
+<Instructor_Led Sessions, partOf, Certificate of Completion Issuance>
+<Learner Feedback Analysis, connectedTo, Instructor Recruitment for MOOCs>
+<Learner Feedback Analysis, connectedTo, Specialization or Professional Certificate Programs>
+<Micro_credential Stacking, connectedTo, Self_Paced Learning Tracks>
+<Micro_credential Stacking, partOf, Certificate of Completion Issuance>
+<Peer Grading Implementation, connectedTo, Corporate Training Solutions>
+<Peer Grading Implementation, connectedTo, Employer Recognition>
+<Peer Grading Implementation, connectedTo, Research on MOOC Effectiveness>
+<Peer Grading Implementation, connectedTo, Specialization or Professional Certificate Programs>
+<Platform Selection, connectedTo, Instructor Recruitment for MOOCs>
+<Platform Selection, connectedTo, Learner Feedback Analysis>
+<Platform Selection, connectedTo, Research on MOOC Effectiveness>
+<Research on MOOC Effectiveness, connectedTo, Learner Analytics>
+<Self_Paced Learning Tracks, connectedTo, Completion Rate Optimization>
+<Self_Paced Learning Tracks, connectedTo, Platform Selection>
+<Specialization or Professional Certificate Programs, connectedTo, Instructor Recruitment for MOOCs>
+<Technical Infrastructure for Scale, connectedTo, Corporate Training Solutions>
+<Technical Infrastructure for Scale, partOf, Translation and Localization>
+<start, connectedTo, Peer Grading Implementation>
+<start, connectedTo, Specialization or Professional Certificate Programs>
+<start, no, Instructor Recruitment for MOOCs>
diff --git a/train/mermaid/hard/mermaid_641.mmd b/train/mermaid/hard/mermaid_641.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d78311c9edfe681f2921615a2af797e07586553a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_641.mmd
@@ -0,0 +1,78 @@
+graph RL
+    N0([start])
+    N1[/Diagnostic Assessment/]
+    N2(Parent or Guardian Updates)
+    N3[[Reading Comprehension Drills]]
+    N4[Study Environment Optimization]
+    N5[Question Bank Management]
+    N6[[Interactive Exercises]]
+    N7[(Math Skills Refresher)]
+    N8[(Motivation Coaching)]
+    N9[[Writing Skills Improvement]]
+    S0(( ))
+    M0(( ))
+    subgraph Study Material Design
+        nest0_0[Exam Day Tips]
+        nest0_1[(Study Group Facilitation)]
+    end
+    subgraph Time Management Coaching
+        nest1_0[[Performance Feedback]]
+        nest1_1[Flashcard Creation]
+        nest1_2[History Topic Mastery]
+        nest1_3[[Tutoring Session]]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |yes| N7
+    N7 -.-> N8
+    N8 --> |no| N9
+    nest0_0 -.-> nest0_1
+    N6 --> nest0_0
+    nest0_1 -.-> N3
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N2 -.-> |no| nest1_0
+    nest1_3 --> N2
+    N2 -.-> S0
+    S0 --> N5
+    S0 -.-> N6
+    S0 -.-> N8
+    N0 --> M0
+    N5 -.-> M0
+    M0 -.-> N7
+    N4 --> |no| N0
+    N2 -.-> N6
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style M0 fill:#FFF6D9,stroke:#FFCC7A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFE69C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_641.txt b/train/mermaid/hard/mermaid_641.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c70ff5338db77e79d3de1941c18bcfb9808af6e0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_641.txt
@@ -0,0 +1,29 @@
+<Diagnostic Assessment, connectedTo, Parent or Guardian Updates>
+<Exam Day Tips, connectedTo, Study Group Facilitation>
+<Exam Day Tips, partOf, Study Material Design>
+<Flashcard Creation, connectedTo, History Topic Mastery>
+<Flashcard Creation, partOf, Time Management Coaching>
+<History Topic Mastery, connectedTo, Tutoring Session>
+<History Topic Mastery, partOf, Time Management Coaching>
+<Interactive Exercises, connectedTo, Exam Day Tips>
+<Interactive Exercises, yes, Math Skills Refresher>
+<Math Skills Refresher, connectedTo, Motivation Coaching>
+<Motivation Coaching, no, Writing Skills Improvement>
+<Parent or Guardian Updates, connectedTo, Interactive Exercises>
+<Parent or Guardian Updates, connectedTo, Motivation Coaching>
+<Parent or Guardian Updates, connectedTo, Question Bank Management>
+<Parent or Guardian Updates, connectedTo, Reading Comprehension Drills>
+<Parent or Guardian Updates, no, Performance Feedback>
+<Performance Feedback, connectedTo, Flashcard Creation>
+<Performance Feedback, partOf, Time Management Coaching>
+<Question Bank Management, connectedTo, Interactive Exercises>
+<Question Bank Management, connectedTo, Math Skills Refresher>
+<Reading Comprehension Drills, connectedTo, Study Environment Optimization>
+<Study Environment Optimization, connectedTo, Question Bank Management>
+<Study Environment Optimization, no, start>
+<Study Group Facilitation, connectedTo, Reading Comprehension Drills>
+<Study Group Facilitation, partOf, Study Material Design>
+<Tutoring Session, connectedTo, Parent or Guardian Updates>
+<Tutoring Session, partOf, Time Management Coaching>
+<start, connectedTo, Diagnostic Assessment>
+<start, connectedTo, Math Skills Refresher>
diff --git a/train/mermaid/hard/mermaid_649.mmd b/train/mermaid/hard/mermaid_649.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..58dad34a31fdbc9cab09fe8f100bd142bd6f4838
--- /dev/null
+++ b/train/mermaid/hard/mermaid_649.mmd
@@ -0,0 +1,146 @@
+graph RL
+    N0([Personalized Learning Paths])
+    N1(Translation Exercises)
+    N2(Video Lessons)
+    N3[/Gamified Learning Activities/]
+    N4[/Accent Reduction Coaching/]
+    N5{Contextual Learning}
+    N6[(Certification Exam Preparation)]
+    N7[Language for Specific Purposes]
+    N8[[Business Language Training]]
+    N9[Adult Language Learning]
+    N10{Pronunciation Drills}
+    N11[/Reading Comprehension/]
+    N12(Grammar Practice)
+    N13[Language Exchange Programs]
+    N14([Listening Comprehension])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Speech Recognition Technology
+        nest0_0[/Self_Study Modules/]
+        nest0_1[Vocabulary Acquisition]
+        nest0_2[(Flashcard Systems)]
+    end
+    subgraph Immersion Programs
+        nest1_0[Interactive Dialogues]
+        nest1_1(Slang and Idioms Learning)
+        nest1_2[/Travel Language Essentials/]
+        nest1_3(Children's Language Learning)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |develops| N5
+    N5 -.-> N6
+    N6 -.-> |personalizes| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> N14
+    nest0_0 --> |evaluates| nest0_1
+    nest0_1 --> nest0_2
+    N7 -.-> |analyzes| nest0_0
+    nest0_2 --> N3
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N13 --> |learns| nest1_0
+    nest1_3 -.-> |interacts| N9
+    N9 -.-> S0
+    S0 -.-> N13
+    S0 --> N11
+    S0 --> N14
+    S0 --> N12
+    N7 -.-> S1
+    S1 -.-> |facilitates| N10
+    S1 --> N13
+    N9 --> S2
+    S2 -.-> N14
+    S2 --> N13
+    S2 -.-> N12
+    S2 --> N11
+    N0 -.-> M0
+    N5 -.-> M0
+    M0 --> N7
+    N0 --> M2
+    N1 --> M2
+    N3 -.-> M2
+    M2 -.-> N5
+    style N0 fill:#D3D7EB,stroke:#8C9EFF
+    style N1 fill:#D3D7EB,stroke:#8C9EFF
+    style N2 fill:#C5CAE9,stroke:#3F51B5
+    style N3 fill:#D3D7EB,stroke:#8C9EFF
+    style N4 fill:#C5CAE9,stroke:#3F51B5
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#D3D7EB,stroke:#8C9EFF
+    style N7 fill:#D3D7EB,stroke:#8C9EFF
+    style N8 fill:#C5CAE9,stroke:#3F51B5
+    style N9 fill:#D3D7EB,stroke:#8C9EFF
+    style N10 fill:#FFFDE0,stroke:#FFF8A6
+    style N11 fill:#C5CAE9,stroke:#3F51B5
+    style N12 fill:#FFFDE0,stroke:#FFF8A6
+    style N13 fill:#FFFDE0,stroke:#FFF8A6
+    style N14 fill:#D3D7EB,stroke:#8C9EFF
+    style S0 fill:#D3D7EB,stroke:#8C9EFF
+    style S1 fill:#C5CAE9,stroke:#3F51B5
+    style S2 fill:#FFFDE0,stroke:#FFF8A6
+    style M0 fill:#FFFDE0,stroke:#FFF8A6
+    style M2 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_0 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_1 fill:#D3D7EB,stroke:#8C9EFF
+    style nest0_2 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_0 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_1 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_2 fill:#C5CAE9,stroke:#3F51B5
+    style nest1_3 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#3F51B5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_65.mmd b/train/mermaid/hard/mermaid_65.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..675735296a514214b8ec69ae6596a153ee3bc464
--- /dev/null
+++ b/train/mermaid/hard/mermaid_65.mmd
@@ -0,0 +1,144 @@
+graph TD
+    N0([Air Cargo Handling])
+    N1[/Customs Declaration/]
+    N2[/Hazardous Material Transport/]
+    N3{Supply Chain Visibility}
+    N4{Pallet Stacking}
+    N5[/Cross_docking/]
+    N6[/Pickup Request/]
+    N7[(Return Logistics)]
+    N8[[Route Optimization Software]]
+    N9[/Delivery Confirmation/]
+    N10(Ocean Freight Management)
+    N11[(Warehouse Entry)]
+    N12[/Invoice Matching/]
+    N13[[Rail Transport Coordination]]
+    N14[(Inventory Sync)]
+    N15(Damage Reporting)
+    N16[[Package Labeling]]
+    N17[Yard Management]
+    N18([Driver Check_in])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Deconsolidation
+        nest0_0[Container Loading]
+        nest0_1([Cargo Tracking])
+        nest0_2[(Customs Clearance)]
+    end
+    subgraph Consolidation
+        nest1_0{Sorting Center}
+        nest1_1([Packing Process])
+        nest1_2[Order Picking]
+    end
+    N0 -.-> |sorts| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |verifies| N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    N16 -.-> N17
+    N17 -.-> N18
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N14 -.-> nest0_0
+    nest0_2 --> N1
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N14 -.-> nest1_0
+    nest1_2 --> N5
+    N2 --> S0
+    S0 -.-> N7
+    S0 -.-> N15
+    S0 --> N8
+    N0 -.-> M0
+    N5 -.-> |stacks| M0
+    N9 -.-> M0
+    M0 --> N11
+    N3 --> M1
+    N7 --> M1
+    M1 --> N13
+    N3 --> M2
+    N10 --> M2
+    M2 -.-> N13
+    style N0 fill:#E4E0DF,stroke:#BDAFA8
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#EDF5F3,stroke:#A1D7CD
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#E8EAF6,stroke:#7986CB
+    style N9 fill:#E4E0DF,stroke:#BDAFA8
+    style N10 fill:#EDF5F3,stroke:#A1D7CD
+    style N11 fill:#E8EAF6,stroke:#7986CB
+    style N12 fill:#E4E0DF,stroke:#BDAFA8
+    style N13 fill:#EDF5F3,stroke:#A1D7CD
+    style N14 fill:#E4E0DF,stroke:#BDAFA8
+    style N15 fill:#EDF5F3,stroke:#A1D7CD
+    style N16 fill:#E8EAF6,stroke:#7986CB
+    style N17 fill:#EDF5F3,stroke:#A1D7CD
+    style N18 fill:#E8EAF6,stroke:#7986CB
+    style S0 fill:#EDF5F3,stroke:#A1D7CD
+    style M0 fill:#E4E0DF,stroke:#BDAFA8
+    style M1 fill:#EDF5F3,stroke:#A1D7CD
+    style M2 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_0 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_1 fill:#E8EAF6,stroke:#7986CB
+    style nest0_2 fill:#E8EAF6,stroke:#7986CB
+    style nest1_0 fill:#EDF5F3,stroke:#A1D7CD
+    style nest1_1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest1_2 fill:#E4E0DF,stroke:#BDAFA8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_65.png b/train/mermaid/hard/mermaid_65.png
new file mode 100644
index 0000000000000000000000000000000000000000..54da550832ff481fbe76f0bf7d8fec8262627ddd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_65.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b3016db0865ac3d5401653c8532d9e523b890fb89aea70544d7a737531a5df6
+size 476049
diff --git a/train/mermaid/hard/mermaid_65.txt b/train/mermaid/hard/mermaid_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f80be8114eac341e382e258bd7badd0d50bf7b02
--- /dev/null
+++ b/train/mermaid/hard/mermaid_65.txt
@@ -0,0 +1,41 @@
+<Air Cargo Handling, connectedTo, Warehouse Entry>
+<Air Cargo Handling, sorts, Customs Declaration>
+<Cargo Tracking, connectedTo, Customs Clearance>
+<Cargo Tracking, partOf, Deconsolidation>
+<Container Loading, connectedTo, Cargo Tracking>
+<Container Loading, partOf, Deconsolidation>
+<Cross_docking, connectedTo, Pickup Request>
+<Cross_docking, stacks, Warehouse Entry>
+<Customs Clearance, connectedTo, Customs Declaration>
+<Customs Clearance, partOf, Deconsolidation>
+<Customs Declaration, connectedTo, Hazardous Material Transport>
+<Damage Reporting, connectedTo, Package Labeling>
+<Delivery Confirmation, connectedTo, Ocean Freight Management>
+<Delivery Confirmation, connectedTo, Warehouse Entry>
+<Hazardous Material Transport, connectedTo, Damage Reporting>
+<Hazardous Material Transport, connectedTo, Return Logistics>
+<Hazardous Material Transport, connectedTo, Route Optimization Software>
+<Hazardous Material Transport, connectedTo, Supply Chain Visibility>
+<Inventory Sync, connectedTo, Container Loading>
+<Inventory Sync, connectedTo, Damage Reporting>
+<Inventory Sync, connectedTo, Sorting Center>
+<Invoice Matching, connectedTo, Rail Transport Coordination>
+<Ocean Freight Management, connectedTo, Rail Transport Coordination>
+<Ocean Freight Management, connectedTo, Warehouse Entry>
+<Order Picking, connectedTo, Cross_docking>
+<Order Picking, partOf, Consolidation>
+<Package Labeling, connectedTo, Yard Management>
+<Packing Process, connectedTo, Order Picking>
+<Packing Process, partOf, Consolidation>
+<Pallet Stacking, connectedTo, Cross_docking>
+<Pickup Request, connectedTo, Return Logistics>
+<Rail Transport Coordination, connectedTo, Inventory Sync>
+<Return Logistics, connectedTo, Rail Transport Coordination>
+<Return Logistics, connectedTo, Route Optimization Software>
+<Route Optimization Software, verifies, Delivery Confirmation>
+<Sorting Center, connectedTo, Packing Process>
+<Sorting Center, partOf, Consolidation>
+<Supply Chain Visibility, connectedTo, Pallet Stacking>
+<Supply Chain Visibility, connectedTo, Rail Transport Coordination>
+<Warehouse Entry, connectedTo, Invoice Matching>
+<Yard Management, connectedTo, Driver Check_in>
diff --git a/train/mermaid/hard/mermaid_652.png b/train/mermaid/hard/mermaid_652.png
new file mode 100644
index 0000000000000000000000000000000000000000..572609e14e09996f5a69388b5ba5c1268f0e8d59
--- /dev/null
+++ b/train/mermaid/hard/mermaid_652.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:476a7a8b49c0e1fc8d99d3b55d5b980bbc2f6bb9bd981911636b7477c9eff50f
+size 418527
diff --git a/train/mermaid/hard/mermaid_652.txt b/train/mermaid/hard/mermaid_652.txt
new file mode 100644
index 0000000000000000000000000000000000000000..acc2b55736c548550128844ceff9a51890af07c2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_652.txt
@@ -0,0 +1,35 @@
+<Accent Reduction Coaching, connectedTo, Virtual Reality Language Environments>
+<Accent Reduction Coaching, partOf, Contextual Learning>
+<Adult Language Learning, connectedTo, Immersion Programs>
+<Audio Lessons, connectedTo, Adult Language Learning>
+<Audio Lessons, connectedTo, Certification Exam Preparation>
+<Audio Lessons, connectedTo, Immersion Programs>
+<Certification Exam Preparation, connectedTo, Grammar Practice>
+<Cultural Immersion, connectedTo, Interactive Dialogues>
+<Cultural Immersion, partOf, Error Correction Feedback>
+<Flashcard Systems, connectedTo, Accent Reduction Coaching>
+<Flashcard Systems, connectedTo, Immersion Programs>
+<Flashcard Systems, connectedTo, Progress Tracking>
+<Gamified Learning Activities, connectedTo, Adult Language Learning>
+<Gamified Learning Activities, connectedTo, Immersion Programs>
+<Gamified Learning Activities, improves, Reading Comprehension>
+<Grammar Practice, connectedTo, Flashcard Systems>
+<Grammar Practice, connectedTo, Immersion Programs>
+<Interactive Dialogues, connectedTo, Adult Language Learning>
+<Interactive Dialogues, partOf, Error Correction Feedback>
+<Listening Comprehension, evaluates, Cultural Immersion>
+<Listening Comprehension, partOf, Error Correction Feedback>
+<Online Tutoring Sessions, connectedTo, Adult Language Learning>
+<Online Tutoring Sessions, connectedTo, Certification Exam Preparation>
+<Online Tutoring Sessions, connectedTo, Immersion Programs>
+<Online Tutoring Sessions, engages, Audio Lessons>
+<Progress Tracking, connectedTo, Gamified Learning Activities>
+<Pronunciation Drills, connectedTo, Immersion Programs>
+<Pronunciation Drills, partOf, Contextual Learning>
+<Reading Comprehension, connectedTo, Adult Language Learning>
+<Reading Comprehension, connectedTo, Immersion Programs>
+<Reading Comprehension, connectedTo, Listening Comprehension>
+<Translation Exercises, connectedTo, Pronunciation Drills>
+<Translation Exercises, partOf, Contextual Learning>
+<Virtual Reality Language Environments, connectedTo, Translation Exercises>
+<Virtual Reality Language Environments, partOf, Contextual Learning>
diff --git a/train/mermaid/hard/mermaid_653.mmd b/train/mermaid/hard/mermaid_653.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6dcf631d31d3e12f0351777980efbd61432223d0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_653.mmd
@@ -0,0 +1,130 @@
+graph BT
+    N0([Curriculum Customization])
+    N1[/Error Correction Feedback/]
+    N2{Business Language Training}
+    N3[[Interactive Dialogues]]
+    N4[[Video Lessons]]
+    N5[Travel Language Essentials]
+    N6{Personalized Learning Paths}
+    N7{Online Tutoring Sessions}
+    N8([Virtual Reality Language Environments])
+    N9(Slang and Idioms Learning)
+    N10[/Flashcard Systems/]
+    N11[(Grammar Practice)]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Vocabulary Acquisition
+        nest0_0(Cultural Immersion)
+        nest0_1{Gamified Learning Activities}
+        nest0_2[Adult Language Learning]
+    end
+    subgraph Listening Comprehension
+        nest1_0[AI_Powered Language Tutors]
+        nest1_1(Language Assessment Tests)
+        nest1_2(Memory Retention Techniques)
+        nest1_3(Native Speaker Interaction)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |tracks| N10
+    N10 -.-> |facilitates| N11
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N6 -.-> nest0_0
+    nest0_2 --> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N3 -.-> nest1_0
+    nest1_3 -.-> N11
+    N7 --> S0
+    S0 -.-> N9
+    S0 --> |teaches| N10
+    S0 -.-> N11
+    N3 --> S1
+    S1 --> N10
+    S1 -.-> N9
+    S1 -.-> N8
+    S1 --> N6
+    N6 --> M0
+    N4 -.-> M0
+    N1 -.-> M0
+    N2 -.-> M0
+    M0 --> N11
+    N4 -.-> M1
+    N2 -.-> M1
+    N0 -.-> M1
+    N3 --> M1
+    M1 -.-> N7
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#E1BEE7,stroke:#9C27B0
+    style N4 fill:#E1BEE7,stroke:#9C27B0
+    style N5 fill:#D1C4E9,stroke:#673AB7
+    style N6 fill:#E6EE9C,stroke:#CDDC39
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    style N8 fill:#D1C4E9,stroke:#673AB7
+    style N9 fill:#E6EE9C,stroke:#CDDC39
+    style N10 fill:#E6EE9C,stroke:#CDDC39
+    style N11 fill:#E6EE9C,stroke:#CDDC39
+    style S0 fill:#E1BEE7,stroke:#9C27B0
+    style S1 fill:#E1BEE7,stroke:#9C27B0
+    style M0 fill:#E6EE9C,stroke:#CDDC39
+    style M1 fill:#E6EE9C,stroke:#CDDC39
+    style nest0_0 fill:#D1C4E9,stroke:#673AB7
+    style nest0_1 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_2 fill:#E1BEE7,stroke:#9C27B0
+    style nest1_0 fill:#D1C4E9,stroke:#673AB7
+    style nest1_1 fill:#D1C4E9,stroke:#673AB7
+    style nest1_2 fill:#E6EE9C,stroke:#CDDC39
+    style nest1_3 fill:#E1BEE7,stroke:#9C27B0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_653.png b/train/mermaid/hard/mermaid_653.png
new file mode 100644
index 0000000000000000000000000000000000000000..20d6db7e98e98185e9f5c89e98e7c77884d1b6d6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_653.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a47efbdbf0515b96a52f416f0b6d783f453b5e3cc84495d5940910b9c61af825
+size 692134
diff --git a/train/mermaid/hard/mermaid_657.mmd b/train/mermaid/hard/mermaid_657.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..15413dcf060a2a06e4935be1ef28dc9cf6dda759
--- /dev/null
+++ b/train/mermaid/hard/mermaid_657.mmd
@@ -0,0 +1,130 @@
+graph LR
+    N0([start])
+    N1([Digital Mental Health Tools])
+    N2(Coping Skill Development)
+    N3[Therapy Session]
+    N4([Counseling Services])
+    N5[/Group Therapy/]
+    N6{Emotional Regulation Training}
+    N7(Psychiatric Evaluation)
+    N8(Art Therapy)
+    N9{Depression Treatment}
+    N10[Music Therapy]
+    N11[(Support Group Facilitation)]
+    N12(Grief Counseling)
+    N13([Advocacy for Mental Health])
+    N14[(Diagnosis and Assessment)]
+    N15(Eating Disorder Treatment)
+    N16[Recreational Therapy]
+    N17([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Outpatient Program Management
+        nest0_0(Workplace Mental Health Programs)
+        nest0_1[(Peer Support Programs)]
+    end
+    subgraph Substance Abuse Counseling
+        nest1_0[Inpatient Treatment Coordination]
+        nest1_1[Crisis Intervention]
+        nest1_2[Mental Health Screening]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 --> N16
+    N16 -.-> N17
+    nest0_0 --> nest0_1
+    N9 -.-> nest0_0
+    nest0_1 --> N4
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N1 -.-> nest1_0
+    nest1_2 -.-> N13
+    N5 -.-> S0
+    S0 -.-> N13
+    S0 -.-> N17
+    S0 --> N8
+    N0 --> M0
+    N2 -.-> M0
+    N1 -.-> M0
+    N4 -.-> M0
+    M0 -.-> N6
+    N1 -.-> M1
+    N0 --> M1
+    M1 -.-> N3
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#D1C4E9,stroke:#673AB7
+    style N4 fill:#CADEDE,stroke:#94C0C0
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#D1C4E9,stroke:#673AB7
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    style N8 fill:#CADEDE,stroke:#94C0C0
+    style N9 fill:#FFF3E0,stroke:#FFA726
+    style N10 fill:#FFF3E0,stroke:#FFA726
+    style N11 fill:#FFF3E0,stroke:#FFA726
+    style N12 fill:#CADEDE,stroke:#94C0C0
+    style N13 fill:#CADEDE,stroke:#94C0C0
+    style N14 fill:#FFF3E0,stroke:#FFA726
+    style N15 fill:#D1C4E9,stroke:#673AB7
+    style N16 fill:#D1C4E9,stroke:#673AB7
+    style N17 fill:#FFF3E0,stroke:#FFA726
+    style S0 fill:#D1C4E9,stroke:#673AB7
+    style M0 fill:#FFF3E0,stroke:#FFA726
+    style M1 fill:#FFF3E0,stroke:#FFA726
+    style nest0_0 fill:#D1C4E9,stroke:#673AB7
+    style nest0_1 fill:#CADEDE,stroke:#94C0C0
+    style nest1_0 fill:#FFF3E0,stroke:#FFA726
+    style nest1_1 fill:#CADEDE,stroke:#94C0C0
+    style nest1_2 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#94C0C0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_658.txt b/train/mermaid/hard/mermaid_658.txt
new file mode 100644
index 0000000000000000000000000000000000000000..efba57ad8f195c40939360c07ed87c7e4ec6a1fb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_658.txt
@@ -0,0 +1,44 @@
+<Advocacy for Mental Health, connectedTo, Outpatient Program Management>
+<Anxiety Management, connectedTo, Trauma Therapy>
+<Anxiety Management, partOf, Dialectical Behavior Therapy>
+<Art Therapy, connectedTo, Depression Treatment>
+<Bipolar Disorder Management, connectedTo, Digital Mental Health Tools>
+<Bipolar Disorder Management, partOf, Telehealth Counseling>
+<Child & Adolescent Therapy, connectedTo, Cognitive Behavioral Therapy>
+<Cognitive Behavioral Therapy, connectedTo, Advocacy for Mental Health>
+<Cognitive Behavioral Therapy, connectedTo, Outpatient Program Management>
+<Cognitive Behavioral Therapy, connectedTo, Post_Traumatic Stress Disorder Support>
+<Depression Treatment, connectedTo, Medication Management>
+<Depression Treatment, connectedTo, Treatment Plan Development>
+<Digital Mental Health Tools, connectedTo, Depression Treatment>
+<Digital Mental Health Tools, partOf, Telehealth Counseling>
+<Eating Disorder Treatment, connectedTo, Child & Adolescent Therapy>
+<Eating Disorder Treatment, connectedTo, Trauma Therapy>
+<Group Therapy, connectedTo, Advocacy for Mental Health>
+<Medication Management, connectedTo, Suicide Prevention>
+<Mental Health Screening, connectedTo, Peer Support Programs>
+<Mental Health Screening, partOf, Dialectical Behavior Therapy>
+<Outpatient Program Management, connectedTo, Substance Abuse Counseling>
+<Outpatient Program Management, connectedTo, end>
+<Peer Support Programs, connectedTo, Anxiety Management>
+<Peer Support Programs, partOf, Dialectical Behavior Therapy>
+<Post_Traumatic Stress Disorder Support, connectedTo, Trauma Therapy>
+<Stress Reduction Techniques, connectedTo, Art Therapy>
+<Stress Reduction Techniques, connectedTo, Post_Traumatic Stress Disorder Support>
+<Substance Abuse Counseling, connectedTo, Mental Health Screening>
+<Substance Abuse Counseling, partOf, Dialectical Behavior Therapy>
+<Suicide Prevention, connectedTo, Post_Traumatic Stress Disorder Support>
+<Suicide Prevention, connectedTo, Therapy Session>
+<Support Group Facilitation, connectedTo, Advocacy for Mental Health>
+<Support Group Facilitation, connectedTo, Cognitive Behavioral Therapy>
+<Support Group Facilitation, connectedTo, Eating Disorder Treatment>
+<Support Group Facilitation, connectedTo, Trauma Therapy>
+<Therapy Session, connectedTo, Cognitive Behavioral Therapy>
+<Therapy Session, connectedTo, Eating Disorder Treatment>
+<Therapy Session, connectedTo, Outpatient Program Management>
+<Therapy Session, connectedTo, Support Group Facilitation>
+<Therapy Session, connectedTo, end>
+<Trauma Therapy, connectedTo, Group Therapy>
+<Treatment Plan Development, connectedTo, Bipolar Disorder Management>
+<Treatment Plan Development, partOf, Telehealth Counseling>
+<start, connectedTo, Stress Reduction Techniques>
diff --git a/train/mermaid/hard/mermaid_664.mmd b/train/mermaid/hard/mermaid_664.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b722183abc7b2725e0e21048cd7c6a0a1f6db42e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_664.mmd
@@ -0,0 +1,116 @@
+graph RL
+    N0([Mental Health Education])
+    N1[/Psychiatric Evaluation/]
+    N2(Family Therapy)
+    N3(Bipolar Disorder Management)
+    N4(Eating Disorder Treatment)
+    N5[Child & Adolescent Therapy]
+    N6[Stress Reduction Techniques]
+    N7[/Support Group Facilitation/]
+    N8[[Art Therapy]]
+    N9{Treatment Plan Development}
+    N10[/Grief Counseling/]
+    N11(Digital Mental Health Tools)
+    N12{Telehealth Counseling}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Post_Traumatic Stress Disorder Support
+        nest0_0(Medication Management)
+        nest0_1{Inpatient Treatment Coordination}
+    end
+    subgraph Group Therapy
+        nest1_0[/Schizophrenia Management/]
+        nest1_1(Mindfulness Practice)
+        nest1_2{Cognitive Behavioral Therapy}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |communicates| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    N1 --> nest0_0
+    nest0_1 -.-> N2
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N2 -.-> nest1_0
+    nest1_2 -.-> N1
+    N2 -.-> S0
+    S0 --> N8
+    S0 --> N9
+    N9 -.-> S1
+    S1 --> N12
+    S1 --> |audits| N11
+    N6 -.-> S2
+    S2 --> N11
+    S2 -.-> N8
+    S2 -.-> N9
+    N8 --> M0
+    N6 -.-> |develops| M0
+    N7 --> M0
+    M0 -.-> N11
+    style N0 fill:#FFF3E0,stroke:#FFB74D
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#FCE4EC,stroke:#E91E63
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#DFE7EB,stroke:#B0C5CD
+    style N6 fill:#FFF3E0,stroke:#FFB74D
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#FFF3E0,stroke:#FFB74D
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    style N10 fill:#FCE4EC,stroke:#E91E63
+    style N11 fill:#FCE4EC,stroke:#E91E63
+    style N12 fill:#FFF3E0,stroke:#FFB74D
+    style S0 fill:#FFF3E0,stroke:#FFB74D
+    style S1 fill:#FCE4EC,stroke:#E91E63
+    style S2 fill:#FCE4EC,stroke:#E91E63
+    style M0 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_0 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_1 fill:#FCE4EC,stroke:#E91E63
+    style nest1_0 fill:#FCE4EC,stroke:#E91E63
+    style nest1_1 fill:#FFF3E0,stroke:#FFB74D
+    style nest1_2 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFB74D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_666.mmd b/train/mermaid/hard/mermaid_666.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ae22009f7c646e4a94586e055266a2492ac085df
--- /dev/null
+++ b/train/mermaid/hard/mermaid_666.mmd
@@ -0,0 +1,102 @@
+graph BT
+    N0([start])
+    N1{Sustainable Food Systems}
+    N2(Micronutrient Analysis)
+    N3{Disease_Specific Nutrition}
+    N4(Restaurant Menu Analysis)
+    N5[Metabolism Rate Assessment]
+    N6[Maternal Nutrition]
+    N7(Dietary Software Usage)
+    N8[Nutritional Biomarker Analysis]
+    N9(Elderly Nutrition)
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Detoxification Programs
+        nest0_0[[Eating Habit Modification]]
+        nest0_1{Food Waste Reduction}
+        nest0_2[[Sports Nutrition]]
+        nest0_3{Food Allergy Management}
+    end
+    subgraph Gut Microbiome Health
+        nest1_0[(Food Safety Education)]
+        nest1_1([Recipe Adaptation])
+        nest1_2[/Hydration Planning/]
+    end
+    N0 --> |promotes| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |manages| N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N6 --> nest0_0
+    nest0_3 -.-> N1
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N8 --> nest1_0
+    nest1_2 -.-> |calculates| N6
+    N6 -.-> S0
+    S0 -.-> N9
+    S0 -.-> |processes| N8
+    N5 --> S1
+    S1 -.-> N7
+    S1 --> N9
+    S1 -.-> N8
+    N0 -.-> |analyzes| M0
+    N1 --> M0
+    M0 --> N3
+    style N0 fill:#E4E0DF,stroke:#BDAFA8
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#ECCFF5,stroke:#CD8FF2
+    style N4 fill:#E4E0DF,stroke:#BDAFA8
+    style N5 fill:#ECCFF5,stroke:#CD8FF2
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style N8 fill:#ECCFF5,stroke:#CD8FF2
+    style N9 fill:#F9FBE7,stroke:#C0CA33
+    style S0 fill:#F9FBE7,stroke:#C0CA33
+    style S1 fill:#ECCFF5,stroke:#CD8FF2
+    style M0 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_0 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_1 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_2 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_3 fill:#E4E0DF,stroke:#BDAFA8
+    style nest1_0 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_1 fill:#E4E0DF,stroke:#BDAFA8
+    style nest1_2 fill:#E4E0DF,stroke:#BDAFA8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_669.png b/train/mermaid/hard/mermaid_669.png
new file mode 100644
index 0000000000000000000000000000000000000000..af30fe740eaace93555a7239dda484e83b51f2c7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_669.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1222e3ca5bd4ef135a1d627eefb47030558df9e37ad54c5c938dbbfec7fc376c
+size 195999
diff --git a/train/mermaid/hard/mermaid_670.mmd b/train/mermaid/hard/mermaid_670.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..018e0e73a6259b87589d0e7cad75c9adf156c64f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_670.mmd
@@ -0,0 +1,126 @@
+graph LR
+    N0([Weight Management])
+    N1[Inflammation and Diet]
+    N2[/Community Nutrition Workshops/]
+    N3{Meal Planning}
+    N4[Food Safety Education]
+    N5(Nutritional Biomarker Analysis)
+    N6[Supplement Recommendation]
+    N7[/Maternal Nutrition/]
+    N8([Food Waste Reduction])
+    N9[Detoxification Programs]
+    N10[Sustainable Food Systems]
+    N11[Nutrigenomics Research]
+    N12(Dietary Assessment)
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Recipe Adaptation
+        nest0_0[Food Service Management Consulting]
+        nest0_1([Grocery Shopping Guidance])
+        nest0_2[[Child Nutrition]]
+        nest0_3([Eating Habit Modification])
+    end
+    subgraph Agricultural Nutrition Impact
+        nest1_0[[Clinical Nutrition Support]]
+        nest1_1[(Dietary Software Usage)]
+        nest1_2[/Food Label Interpretation/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N4 -.-> nest0_0
+    nest0_3 --> N6
+    nest1_0 --> nest1_1
+    nest1_1 --> |tracks| nest1_2
+    N12 -.-> nest1_0
+    nest1_2 -.-> N13
+    N8 -.-> S0
+    S0 -.-> N11
+    S0 --> N13
+    N8 --> S1
+    S1 --> N12
+    S1 -.-> N13
+    N3 -.-> M0
+    N0 --> M0
+    N2 --> M0
+    M0 -.-> N6
+    N8 -.-> M1
+    N11 --> M1
+    M1 --> N13
+    style N0 fill:#ECEFF1,stroke:#90A4AE
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#D0E0F8,stroke:#4285F4
+    style N4 fill:#ECEFF1,stroke:#90A4AE
+    style N5 fill:#ECEFF1,stroke:#90A4AE
+    style N6 fill:#F3E5F5,stroke:#AB47BC
+    style N7 fill:#D0E0F8,stroke:#4285F4
+    style N8 fill:#ECEFF1,stroke:#90A4AE
+    style N9 fill:#ECEFF1,stroke:#90A4AE
+    style N10 fill:#F3E5F5,stroke:#AB47BC
+    style N11 fill:#D0E0F8,stroke:#4285F4
+    style N12 fill:#ECEFF1,stroke:#90A4AE
+    style N13 fill:#D0E0F8,stroke:#4285F4
+    style S0 fill:#F3E5F5,stroke:#AB47BC
+    style S1 fill:#ECEFF1,stroke:#90A4AE
+    style M0 fill:#ECEFF1,stroke:#90A4AE
+    style M1 fill:#D0E0F8,stroke:#4285F4
+    style nest0_0 fill:#D0E0F8,stroke:#4285F4
+    style nest0_1 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_2 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_3 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_0 fill:#D0E0F8,stroke:#4285F4
+    style nest1_1 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_2 fill:#F3E5F5,stroke:#AB47BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#90A4AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_671.mmd b/train/mermaid/hard/mermaid_671.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d2cfa3f0ec4f7a52997e970c6689c5367573732c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_671.mmd
@@ -0,0 +1,132 @@
+graph LR
+    N0([Dietary Assessment])
+    N1[Micronutrient Analysis]
+    N2[Meal Planning]
+    N3[Gut Microbiome Health]
+    N4[/Sports Nutrition/]
+    N5(Body Composition Analysis)
+    N6[[Personalized Nutrition Plans]]
+    N7[/Detoxification Programs/]
+    N8([Child Nutrition])
+    N9[[Hydration Planning]]
+    N10[(Food Waste Reduction)]
+    N11[/Eating Habit Modification/]
+    N12{Supplement Recommendation}
+    N13[[Dietary Software Usage]]
+    N14([Inflammation and Diet])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Disease_Specific Nutrition
+        nest0_0[/Elderly Nutrition/]
+        nest0_1([Restaurant Menu Analysis])
+    end
+    subgraph Macronutrient Tracking
+        nest1_0(Food Safety Education)
+        nest1_1[Nutritional Counseling]
+        nest1_2(Recipe Adaptation)
+        nest1_3(Public Health Nutrition Programs)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    nest0_0 --> nest0_1
+    N6 --> |complies| nest0_0
+    nest0_1 -.-> N9
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N1 -.-> nest1_0
+    nest1_3 -.-> N5
+    N8 --> S0
+    S0 --> N14
+    S0 -.-> N10
+    S0 --> N12
+    S0 -.-> |supports| N11
+    N10 -.-> S1
+    S1 --> N13
+    S1 --> N14
+    S1 --> N12
+    N1 -.-> M0
+    N0 --> M0
+    M0 --> N3
+    N6 -.-> M2
+    N3 -.-> M2
+    N0 --> |labels| M2
+    M2 --> N12
+    style N0 fill:#EDE7F6,stroke:#7E57C2
+    style N1 fill:#D6D9F0,stroke:#9FA9E1
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#D6D9F0,stroke:#9FA9E1
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#EDE7F6,stroke:#7E57C2
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style N8 fill:#EDE7F6,stroke:#7E57C2
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 fill:#EDE7F6,stroke:#7E57C2
+    style N11 fill:#D6D9F0,stroke:#9FA9E1
+    style N12 fill:#F0F0F0,stroke:#D2D2D2
+    style N13 fill:#F0F0F0,stroke:#D2D2D2
+    style N14 fill:#EDE7F6,stroke:#7E57C2
+    style S0 fill:#EDE7F6,stroke:#7E57C2
+    style S1 fill:#F0F0F0,stroke:#D2D2D2
+    style M0 fill:#D6D9F0,stroke:#9FA9E1
+    style M2 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_0 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_1 fill:#EDE7F6,stroke:#7E57C2
+    style nest1_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_1 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_2 fill:#EDE7F6,stroke:#7E57C2
+    style nest1_3 fill:#EDE7F6,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_674.mmd b/train/mermaid/hard/mermaid_674.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d89a921aca82fb4dcffd2b0d1e6c1cdead0571e9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_674.mmd
@@ -0,0 +1,93 @@
+graph RL
+    N0([start])
+    N1{Home Workout Programs}
+    N2([HIIT Workouts])
+    N3(Mind_Body Connection)
+    N4[[Recovery Strategies]]
+    N5{Weightlifting Techniques}
+    N6(Rehabilitation Exercises)
+    N7(Hydration for Exercise)
+    N8[Motivation and Goal Setting]
+    N9[Fitness Assessment]
+    N10[(Flexibility Training)]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Functional Fitness Training
+        nest0_0[(Corporate Wellness Programs)]
+        nest0_1{Wearable Fitness Devices}
+    end
+    subgraph Nutrition for Fitness
+        nest1_0([Balance and Coordination])
+        nest1_1[Youth Fitness Programs]
+        nest1_2[[Running Coaching]]
+        nest1_3[(Cardiovascular Training)]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 --> N7
+    N7 -.-> |no| N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    N4 --> |yes| nest0_0
+    nest0_1 -.-> N3
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N6 --> nest1_0
+    nest1_3 -.-> N1
+    N3 --> S0
+    S0 --> N8
+    S0 -.-> N7
+    N4 -.-> S1
+    S1 -.-> N7
+    S1 -.-> N8
+    S1 -.-> N10
+    N1 -.-> M0
+    N2 -.-> |yes| M0
+    M0 -.-> N6
+    N0 -.-> M1
+    N1 -.-> M1
+    M1 -.-> N3
+    style S0 fill:#FFEBEE,stroke:#E57373
+    style S1 fill:#EFEBE9,stroke:#A1887F
+    style M0 fill:#E8F0EA,stroke:#92C79A
+    style M1 fill:#EFEBE9,stroke:#A1887F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_676.txt b/train/mermaid/hard/mermaid_676.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f7a43c50d15693828bb93639ef14215f54ff22b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_676.txt
@@ -0,0 +1,41 @@
+<Biometric Feedback Integration, connectedTo, Motivation and Goal Setting>
+<Body Composition Analysis, connectedTo, Fitness Assessment>
+<Body Composition Analysis, connectedTo, Youth Fitness Programs>
+<Cardiovascular Training, connectedTo, Nutrition for Fitness>
+<Corporate Wellness Programs, connectedTo, Outdoor Fitness Activities>
+<Cross_Training, connectedTo, Body Composition Analysis>
+<Endurance Training, connectedTo, Cardiovascular Training>
+<Fitness Assessment, connectedTo, Workout Planning>
+<Fitness Assessment, connectedTo, Youth Fitness Programs>
+<Group Fitness Classes, connectedTo, Home Workout Programs>
+<Home Workout Programs, connectedTo, Endurance Training>
+<Hydration for Exercise, connectedTo, Strength Training>
+<Motivation and Goal Setting, visualizes, Corporate Wellness Programs>
+<Nutrition for Fitness, connectedTo, Biometric Feedback Integration>
+<Online Fitness Coaching, connectedTo, Outdoor Fitness Activities>
+<Online Fitness Coaching, partOf, Virtual Fitness Classes>
+<Outdoor Fitness Activities, connectedTo, Biometric Feedback Integration>
+<Outdoor Fitness Activities, connectedTo, Cardiovascular Training>
+<Outdoor Fitness Activities, connectedTo, Group Fitness Classes>
+<Personalized Exercise Prescriptions, connectedTo, Online Fitness Coaching>
+<Personalized Exercise Prescriptions, partOf, Virtual Fitness Classes>
+<Posture Correction, connectedTo, Fitness Assessment>
+<Posture Correction, partOf, Weightlifting Techniques>
+<Recovery Strategies, connectedTo, Personalized Exercise Prescriptions>
+<Recovery Strategies, partOf, Virtual Fitness Classes>
+<Running Coaching, connectedTo, Recovery Strategies>
+<Running Coaching, partOf, Virtual Fitness Classes>
+<Senior Fitness Programs, connectedTo, Posture Correction>
+<Senior Fitness Programs, partOf, Weightlifting Techniques>
+<Sports_Specific Training, connectedTo, Hydration for Exercise>
+<Strength Training, connectedTo, Cardiovascular Training>
+<Strength Training, connectedTo, Endurance Training>
+<Strength Training, connectedTo, Group Fitness Classes>
+<Strength Training, connectedTo, Motivation and Goal Setting>
+<Strength Training, connectedTo, Outdoor Fitness Activities>
+<Strength Training, strengthens, Biometric Feedback Integration>
+<Workout Planning, connectedTo, Running Coaching>
+<Workout Planning, connectedTo, Youth Fitness Programs>
+<Youth Fitness Programs, connectedTo, Senior Fitness Programs>
+<Youth Fitness Programs, connectedTo, Sports_Specific Training>
+<start, connectedTo, Cross_Training>
diff --git a/train/mermaid/hard/mermaid_677.txt b/train/mermaid/hard/mermaid_677.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a5ad5409a2060c871f9120d7a392ac1dc385d0b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_677.txt
@@ -0,0 +1,40 @@
+<Biometric Feedback Integration, connectedTo, Pilates Instruction>
+<Biometric Feedback Integration, partOf, Motivation and Goal Setting>
+<Cardiovascular Training, connectedTo, Biometric Feedback Integration>
+<Cardiovascular Training, partOf, Motivation and Goal Setting>
+<Core Strengthening, connectedTo, Endurance Training>
+<Core Strengthening, connectedTo, Injury Prevention>
+<Corporate Wellness Programs, connectedTo, Endurance Training>
+<Corporate Wellness Programs, connectedTo, Online Fitness Coaching>
+<Corporate Wellness Programs, connectedTo, Pilates Instruction>
+<Corporate Wellness Programs, connectedTo, Rehabilitation Exercises>
+<Endurance Training, connectedTo, Rehabilitation Exercises>
+<Fitness Equipment Maintenance, connectedTo, Cardiovascular Training>
+<Fitness Equipment Maintenance, partOf, Motivation and Goal Setting>
+<Flexibility Training, connectedTo, Endurance Training>
+<Flexibility Training, yes, Personalized Exercise Prescriptions>
+<Flexibility Training, yes, Rehabilitation Exercises>
+<Functional Fitness Training, connectedTo, Core Strengthening>
+<Functional Fitness Training, connectedTo, Endurance Training>
+<Functional Fitness Training, connectedTo, Pilates Instruction>
+<Functional Fitness Training, connectedTo, Rehabilitation Exercises>
+<Home Workout Programs, connectedTo, Sports_Specific Training>
+<Home Workout Programs, partOf, Nutrition for Fitness>
+<Injury Prevention, connectedTo, Workout Planning>
+<Mind_Body Connection, connectedTo, Endurance Training>
+<Mind_Body Connection, partOf, Nutrition for Fitness>
+<Online Fitness Coaching, connectedTo, Fitness Equipment Maintenance>
+<Online Fitness Coaching, partOf, Motivation and Goal Setting>
+<Outdoor Fitness Activities, connectedTo, Home Workout Programs>
+<Outdoor Fitness Activities, partOf, Nutrition for Fitness>
+<Personalized Exercise Prescriptions, connectedTo, Corporate Wellness Programs>
+<Personalized Exercise Prescriptions, connectedTo, Senior Fitness Programs>
+<Pilates Instruction, connectedTo, Endurance Training>
+<Senior Fitness Programs, connectedTo, Corporate Wellness Programs>
+<Senior Fitness Programs, connectedTo, Functional Fitness Training>
+<Senior Fitness Programs, connectedTo, Outdoor Fitness Activities>
+<Sports_Specific Training, connectedTo, Mind_Body Connection>
+<Sports_Specific Training, partOf, Nutrition for Fitness>
+<Workout Planning, connectedTo, Corporate Wellness Programs>
+<start, connectedTo, Corporate Wellness Programs>
+<start, connectedTo, Flexibility Training>
diff --git a/train/mermaid/hard/mermaid_681.mmd b/train/mermaid/hard/mermaid_681.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..216bb8bd9360faeb75aa15bdfcd6e65b3885021b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_681.mmd
@@ -0,0 +1,154 @@
+graph RL
+    N0([Emotional Well_being])
+    N1[/Immune System Support/]
+    N2[/Spiritual Exploration/]
+    N3(Holistic Health Assessment)
+    N4{Hydrotherapy}
+    N5(Employee Wellness Programs)
+    N6{Biofeedback Training}
+    N7(Community Wellness Programs)
+    N8[Detox Programs]
+    N9[/Health Coaching/]
+    N10{Mindfulness Practice}
+    N11[(Work_Life Balance Coaching)]
+    N12(Journaling for Wellness)
+    N13[Nature Connection]
+    N14(Stress Management)
+    N15[Digital Detox]
+    N16[Nutrition Guidance]
+    N17[[Meditation Coaching]]
+    N18[/Physical Activity Planning/]
+    N19([Gut Health for Wellness])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Financial Wellness Planning
+        nest0_0[(Personal Growth Planning)]
+        nest0_1[(Resilience Building)]
+        nest0_2(Sleep Optimization)
+    end
+    subgraph Chiropractic Care
+        nest1_0([Massage Therapy])
+        nest1_1[Alternative Therapies]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> |secures| N11
+    N11 --> |improves| N12
+    N12 -.-> N13
+    N13 -.-> |advises| N14
+    N14 --> N15
+    N15 -.-> N16
+    N16 -.-> N17
+    N17 --> N18
+    N18 --> N19
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N15 -.-> nest0_0
+    nest0_2 --> N4
+    nest1_0 --> nest1_1
+    N12 -.-> nest1_0
+    nest1_1 -.-> |counsels| N18
+    N8 --> S0
+    S0 --> N10
+    S0 -.-> N14
+    N3 --> S1
+    S1 --> N13
+    S1 -.-> N14
+    N2 -.-> S2
+    S2 --> N17
+    S2 -.-> N19
+    S2 --> N4
+    N2 -.-> M0
+    N0 -.-> M0
+    N1 --> M0
+    M0 --> N4
+    N0 -.-> M1
+    N5 -.-> M1
+    N2 -.-> M1
+    M1 --> N8
+    style N0 fill:#D3F7F9,stroke:#80DDEA
+    style N1 fill:#FCE4EC,stroke:#F06292
+    style N2 fill:#E1BEE7,stroke:#9C27B0
+    style N3 fill:#D3F7F9,stroke:#80DDEA
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#FCE4EC,stroke:#F06292
+    style N9 fill:#E1BEE7,stroke:#9C27B0
+    style N10 fill:#E1BEE7,stroke:#9C27B0
+    style N11 fill:#E1BEE7,stroke:#9C27B0
+    style N12 fill:#D3F7F9,stroke:#80DDEA
+    style N13 fill:#E1BEE7,stroke:#9C27B0
+    style N14 fill:#D3F7F9,stroke:#80DDEA
+    style N15 fill:#D3F7F9,stroke:#80DDEA
+    style N16 fill:#D3F7F9,stroke:#80DDEA
+    style N17 fill:#FCE4EC,stroke:#F06292
+    style N18 fill:#FCE4EC,stroke:#F06292
+    style N19 fill:#D3F7F9,stroke:#80DDEA
+    style S0 fill:#FCE4EC,stroke:#F06292
+    style S1 fill:#FCE4EC,stroke:#F06292
+    style S2 fill:#FCE4EC,stroke:#F06292
+    style M0 fill:#E1BEE7,stroke:#9C27B0
+    style M1 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_0 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_1 fill:#FCE4EC,stroke:#F06292
+    style nest0_2 fill:#FCE4EC,stroke:#F06292
+    style nest1_0 fill:#E1BEE7,stroke:#9C27B0
+    style nest1_1 fill:#FCE4EC,stroke:#F06292
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#80DDEA,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_681.png b/train/mermaid/hard/mermaid_681.png
new file mode 100644
index 0000000000000000000000000000000000000000..96fbe2ac45dd86b07c4aecb8af9ec1380284a6b6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_681.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a860315ba51ee62e66264017f815b627fcaba1ebbc1da22c1015fc3d4afb5978
+size 194564
diff --git a/train/mermaid/hard/mermaid_681.txt b/train/mermaid/hard/mermaid_681.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc9787f28b58e86710b7fb63580f3a4023139eff
--- /dev/null
+++ b/train/mermaid/hard/mermaid_681.txt
@@ -0,0 +1,43 @@
+<Alternative Therapies, counsels, Physical Activity Planning>
+<Alternative Therapies, partOf, Chiropractic Care>
+<Biofeedback Training, connectedTo, Community Wellness Programs>
+<Community Wellness Programs, connectedTo, Detox Programs>
+<Detox Programs, connectedTo, Health Coaching>
+<Detox Programs, connectedTo, Mindfulness Practice>
+<Detox Programs, connectedTo, Stress Management>
+<Digital Detox, connectedTo, Nutrition Guidance>
+<Digital Detox, connectedTo, Personal Growth Planning>
+<Emotional Well_being, connectedTo, Detox Programs>
+<Emotional Well_being, connectedTo, Hydrotherapy>
+<Emotional Well_being, connectedTo, Immune System Support>
+<Employee Wellness Programs, connectedTo, Biofeedback Training>
+<Employee Wellness Programs, connectedTo, Detox Programs>
+<Health Coaching, connectedTo, Mindfulness Practice>
+<Holistic Health Assessment, connectedTo, Hydrotherapy>
+<Holistic Health Assessment, connectedTo, Nature Connection>
+<Holistic Health Assessment, connectedTo, Stress Management>
+<Hydrotherapy, connectedTo, Employee Wellness Programs>
+<Immune System Support, connectedTo, Hydrotherapy>
+<Immune System Support, connectedTo, Spiritual Exploration>
+<Journaling for Wellness, connectedTo, Massage Therapy>
+<Journaling for Wellness, connectedTo, Nature Connection>
+<Massage Therapy, connectedTo, Alternative Therapies>
+<Massage Therapy, partOf, Chiropractic Care>
+<Meditation Coaching, connectedTo, Physical Activity Planning>
+<Mindfulness Practice, secures, Work_Life Balance Coaching>
+<Nature Connection, advises, Stress Management>
+<Nutrition Guidance, connectedTo, Meditation Coaching>
+<Personal Growth Planning, connectedTo, Resilience Building>
+<Personal Growth Planning, partOf, Financial Wellness Planning>
+<Physical Activity Planning, connectedTo, Gut Health for Wellness>
+<Resilience Building, connectedTo, Sleep Optimization>
+<Resilience Building, partOf, Financial Wellness Planning>
+<Sleep Optimization, connectedTo, Hydrotherapy>
+<Sleep Optimization, partOf, Financial Wellness Planning>
+<Spiritual Exploration, connectedTo, Detox Programs>
+<Spiritual Exploration, connectedTo, Gut Health for Wellness>
+<Spiritual Exploration, connectedTo, Holistic Health Assessment>
+<Spiritual Exploration, connectedTo, Hydrotherapy>
+<Spiritual Exploration, connectedTo, Meditation Coaching>
+<Stress Management, connectedTo, Digital Detox>
+<Work_Life Balance Coaching, improves, Journaling for Wellness>
diff --git a/train/mermaid/hard/mermaid_684.mmd b/train/mermaid/hard/mermaid_684.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..13400dbc62dabadf8d971f5e8cb158d2ac14bcfb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_684.mmd
@@ -0,0 +1,84 @@
+graph BT
+    N0([start])
+    N1[Mindfulness Practice]
+    N2[(Longevity Planning)]
+    N3(Breathwork Exercises)
+    N4(Hydrotherapy)
+    N5[/Employee Wellness Programs/]
+    N6[[Immune System Support]]
+    N7[Positive Psychology Application]
+    N8{Environmental Wellness}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M2(( ))
+    subgraph Aromatherapy Usage
+        nest0_0[[Self_Care Routine Development]]
+        nest0_1([Acupuncture Consultation])
+    end
+    subgraph Biofeedback Training
+        nest1_0(Burnout Prevention)
+        nest1_1[[Proactive Health Management]]
+        nest1_2[(Gut Health for Wellness)]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |yes| N8
+    nest0_0 -.-> nest0_1
+    N3 --> nest0_0
+    nest0_1 --> N6
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N2 --> nest1_0
+    nest1_2 --> N4
+    N0 --> S0
+    S0 -.-> |no| N5
+    S0 --> N6
+    S0 -.-> N4
+    N5 -.-> S1
+    S1 --> N8
+    S1 -.-> N7
+    N2 -.-> S2
+    S2 --> N6
+    S2 --> N5
+    N2 --> |no| M2
+    N0 --> M2
+    M2 -.-> N8
+    style S0 fill:#DACBE3,stroke:#A188D0
+    style S1 fill:#DACBE3,stroke:#A188D0
+    style S2 fill:#DACBE3,stroke:#A188D0
+    style M2 fill:#DED7F0,stroke:#A188DB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_685.png b/train/mermaid/hard/mermaid_685.png
new file mode 100644
index 0000000000000000000000000000000000000000..eb2cfedc3e5a29709f9da17fabb5287d018d4a0c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_685.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:602f879a53ac39056f3c4c38cb0db27041aacd9b7bb15b63beb57071ac7f2360
+size 181656
diff --git a/train/mermaid/hard/mermaid_686.mmd b/train/mermaid/hard/mermaid_686.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4d9c5b47b4a473ebad77219395df9a832390f50d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_686.mmd
@@ -0,0 +1,127 @@
+graph TD
+    N0([start])
+    N1[Detox Programs]
+    N2(Aromatherapy Usage)
+    N3([Chiropractic Care])
+    N4[/Social Connection Enhancement/]
+    N5(Holistic Health Assessment)
+    N6(Nutrition Guidance)
+    N7[Gut Health for Wellness]
+    N8[[Personal Growth Planning]]
+    N9{Physical Activity Planning}
+    N10[Emotional Well_being]
+    N11(Employee Wellness Programs)
+    N12([Positive Psychology Application])
+    N13[Sleep Optimization]
+    N14[(Gratitude Practice)]
+    N15(Wellness Retreat Planning)
+    N16[[Burnout Prevention]]
+    N17(Proactive Health Management)
+    N18{Alternative Therapies}
+    N19([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Acupuncture Consultation
+        nest0_0([Work_Life Balance Coaching])
+        nest0_1{Behavior Change Support}
+        nest0_2[Community Wellness Programs]
+    end
+    subgraph Mindfulness Practice
+        nest1_0[(Journaling for Wellness)]
+        nest1_1{Health Coaching}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 --> |no| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> |yes| N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 -.-> |no| N16
+    N16 --> N17
+    N17 -.-> N18
+    N18 -.-> N19
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N3 -.-> nest0_0
+    nest0_2 -.-> N11
+    nest1_0 --> nest1_1
+    N17 -.-> |no| nest1_0
+    nest1_1 --> N19
+    N8 -.-> S0
+    S0 -.-> |yes| N14
+    S0 --> |no| N13
+    N8 --> S1
+    S1 -.-> N13
+    S1 --> N14
+    N1 --> M0
+    N2 --> M0
+    N0 --> M0
+    M0 --> N5
+    N12 -.-> M1
+    N7 -.-> M1
+    M1 -.-> N14
+    N4 -.-> M2
+    N2 -.-> |no| M2
+    N1 --> M2
+    M2 -.-> N11
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#FFF6D9,stroke:#FFCC7A
+    style M0 fill:#DFE7EB,stroke:#B0C5CD
+    style M1 fill:#DFE7EB,stroke:#B0C5CD
+    style M2 fill:#DFE7EB,stroke:#B0C5CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#B0C5CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_687.mmd b/train/mermaid/hard/mermaid_687.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7be798571fa6bd5b182123869330a24a2226a944
--- /dev/null
+++ b/train/mermaid/hard/mermaid_687.mmd
@@ -0,0 +1,94 @@
+graph BT
+    N0([start])
+    N1[(Detox Programs)]
+    N2(Gratitude Practice)
+    N3[Work_Life Balance Coaching]
+    N4[Nutrition Guidance]
+    N5(Emotional Well_being)
+    N6[[Immune System Support]]
+    N7[(Sleep Optimization)]
+    N8([Wellness Retreat Planning])
+    N9(Aromatherapy Usage)
+    N10(Resilience Building)
+    N11{Alternative Therapies}
+    N12[[Chiropractic Care]]
+    N13[(Personal Growth Planning)]
+    N14([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Hydrotherapy
+        nest0_0[/Social Connection Enhancement/]
+        nest0_1(Acupuncture Consultation)
+        nest0_2{Stress Management}
+    end
+    subgraph Nature Connection
+        nest1_0{Environmental Wellness}
+        nest1_1(Holistic Health Assessment)
+    end
+    N0 --> N1
+    N1 --> |no| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |yes| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N9 --> nest0_0
+    nest0_2 --> N5
+    nest1_0 --> nest1_1
+    N4 -.-> nest1_0
+    nest1_1 -.-> N5
+    N7 --> S0
+    S0 -.-> N14
+    S0 -.-> N13
+    S0 -.-> N11
+    N8 --> S1
+    S1 -.-> N13
+    S1 --> N11
+    N5 --> M0
+    N1 --> M0
+    M0 -.-> N13
+    style S0 fill:#DACBE3,stroke:#A188D0
+    style S1 fill:#DACBE3,stroke:#A188D0
+    style M0 fill:#E6EE9C,stroke:#CDDC39
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_688.txt b/train/mermaid/hard/mermaid_688.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b35ad8caa08d4e71cfbd05ef851907bceb5ac60
--- /dev/null
+++ b/train/mermaid/hard/mermaid_688.txt
@@ -0,0 +1,33 @@
+<Behavior Change Support, connectedTo, Biofeedback Training>
+<Behavior Change Support, partOf, Alternative Therapies>
+<Biofeedback Training, connectedTo, Spiritual Exploration>
+<Biofeedback Training, partOf, Alternative Therapies>
+<Breathwork Exercises, connectedTo, Burnout Prevention>
+<Burnout Prevention, connectedTo, Environmental Wellness>
+<Burnout Prevention, connectedTo, Resilience Building>
+<Emotional Well_being, connectedTo, Nature Connection>
+<Emotional Well_being, partOf, Personal Growth Planning>
+<Gratitude Practice, connectedTo, Meditation Coaching>
+<Hydrotherapy, connectedTo, Immune System Support>
+<Immune System Support, connectedTo, Breathwork Exercises>
+<Longevity Planning, connectedTo, Hydrotherapy>
+<Longevity Planning, partOf, Personal Growth Planning>
+<Meditation Coaching, connectedTo, Nutrition Guidance>
+<Nature Connection, connectedTo, Longevity Planning>
+<Nature Connection, partOf, Personal Growth Planning>
+<Nutrition Guidance, connectedTo, Hydrotherapy>
+<Nutrition Guidance, mindfulness, Behavior Change Support>
+<Proactive Health Management, connectedTo, Meditation Coaching>
+<Proactive Health Management, optimizes, Gratitude Practice>
+<Resilience Building, connectedTo, Emotional Well_being>
+<Resilience Building, partOf, Personal Growth Planning>
+<Sleep Optimization, connectedTo, Meditation Coaching>
+<Sleep Optimization, connectedTo, Wellness Retreat Planning>
+<Spiritual Exploration, connectedTo, Immune System Support>
+<Spiritual Exploration, partOf, Alternative Therapies>
+<Wellness Retreat Planning, connectedTo, Breathwork Exercises>
+<Wellness Retreat Planning, connectedTo, Hydrotherapy>
+<Wellness Retreat Planning, connectedTo, Immune System Support>
+<Wellness Retreat Planning, connectedTo, Meditation Coaching>
+<Wellness Retreat Planning, connectedTo, Proactive Health Management>
+<Wellness Retreat Planning, tracks, Hydrotherapy>
diff --git a/train/mermaid/hard/mermaid_689.txt b/train/mermaid/hard/mermaid_689.txt
new file mode 100644
index 0000000000000000000000000000000000000000..395b563fd9f5f98d051b66a97ce3c7c6f593eb27
--- /dev/null
+++ b/train/mermaid/hard/mermaid_689.txt
@@ -0,0 +1,37 @@
+<Art and Accessory Curation, connectedTo, Installation Supervision>
+<Bathroom Design, connectedTo, Custom Furniture Design>
+<Bathroom Design, partOf, Building Code Compliance>
+<Bedroom Design, connectedTo, Universal Design Principles>
+<Bedroom Design, partOf, Hospitality Interior Design>
+<CAD Drafting, connectedTo, Smart Home Technology Integration>
+<CAD Drafting, partOf, Hospitality Interior Design>
+<Construction Documentation, connectedTo, Art and Accessory Curation>
+<Construction Documentation, connectedTo, Smart Home Technology Integration>
+<Custom Furniture Design, connectedTo, Living Room Design>
+<Custom Furniture Design, partOf, Building Code Compliance>
+<Ergonomics Integration, connectedTo, Art and Accessory Curation>
+<Ergonomics Integration, connectedTo, Furniture Selection>
+<Ergonomics Integration, consults, Smart Home Technology Integration>
+<Flooring Specification, connectedTo, 3D Rendering>
+<Flooring Specification, connectedTo, Art and Accessory Curation>
+<Flooring Specification, connectedTo, Bathroom Design>
+<Flooring Specification, connectedTo, Installation Supervision>
+<Flooring Specification, connectedTo, Living Room Design>
+<Flooring Specification, connectedTo, Residential Interior Design>
+<Flooring Specification, licenses, Smart Home Technology Integration>
+<Furniture Selection, connectedTo, Art and Accessory Curation>
+<Furniture Selection, furnishes, Flooring Specification>
+<Healthcare Interior Design, connectedTo, Smart Home Technology Integration>
+<Installation Supervision, connectedTo, 3D Rendering>
+<Installation Supervision, connectedTo, Healthcare Interior Design>
+<Installation Supervision, connectedTo, Smart Home Technology Integration>
+<Living Room Design, connectedTo, Art and Accessory Curation>
+<Living Room Design, connectedTo, Construction Documentation>
+<Residential Interior Design, connectedTo, Living Room Design>
+<Residential Interior Design, connectedTo, Smart Home Technology Integration>
+<Residential Interior Design, selects, Site Measurement>
+<Site Measurement, connectedTo, Bedroom Design>
+<Site Measurement, partOf, Hospitality Interior Design>
+<Smart Home Technology Integration, connectedTo, 3D Rendering>
+<Universal Design Principles, connectedTo, CAD Drafting>
+<Universal Design Principles, partOf, Hospitality Interior Design>
diff --git a/train/mermaid/hard/mermaid_690.txt b/train/mermaid/hard/mermaid_690.txt
new file mode 100644
index 0000000000000000000000000000000000000000..90ca01e009e680dc9673de7ca934ade6b4431df0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_690.txt
@@ -0,0 +1,37 @@
+<3D Rendering, connectedTo, Universal Design Principles>
+<3D Rendering, partOf, Concept Development>
+<Bedroom Design, connectedTo, Construction Documentation>
+<Bedroom Design, connectedTo, Flooring Specification>
+<Bedroom Design, connectedTo, Residential Interior Design>
+<Bedroom Design, connectedTo, Retail Interior Design>
+<Bedroom Design, connectedTo, Smart Home Technology Integration>
+<Budget Management, connectedTo, Smart Home Technology Integration>
+<Budget Management, partOf, Concept Development>
+<Building Code Compliance, connectedTo, Hospitality Interior Design>
+<Building Code Compliance, connectedTo, Smart Home Technology Integration>
+<Client Consultation, connectedTo, Smart Home Technology Integration>
+<Construction Documentation, connectedTo, Flooring Specification>
+<Construction Documentation, connectedTo, Kitchen Design>
+<Construction Documentation, connectedTo, Lighting Design>
+<Construction Documentation, connectedTo, Sustainable Design Practices>
+<Contractor Coordination, connectedTo, Client Consultation>
+<Contractor Coordination, partOf, Ergonomics Integration>
+<Flooring Specification, connectedTo, Kitchen Design>
+<Hospitality Interior Design, connectedTo, Bedroom Design>
+<Kitchen Design, connectedTo, Sustainable Design Practices>
+<Lighting Design, connectedTo, Post_Occupancy Evaluation>
+<Mood Board Creation, connectedTo, Contractor Coordination>
+<Mood Board Creation, partOf, Ergonomics Integration>
+<Post_Occupancy Evaluation, connectedTo, Textile and Fabric Selection>
+<Retail Interior Design, connectedTo, Mood Board Creation>
+<Retail Interior Design, partOf, Ergonomics Integration>
+<Smart Home Technology Integration, connectedTo, 3D Rendering>
+<Smart Home Technology Integration, connectedTo, Residential Interior Design>
+<Space Planning, connectedTo, Building Code Compliance>
+<Sustainable Design Practices, connectedTo, Client Consultation>
+<Textile and Fabric Selection, connectedTo, Flooring Specification>
+<Universal Design Principles, connectedTo, Budget Management>
+<Universal Design Principles, partOf, Concept Development>
+<start, connectedTo, Bedroom Design>
+<start, connectedTo, Kitchen Design>
+<start, connectedTo, Space Planning>
diff --git a/train/mermaid/hard/mermaid_693.png b/train/mermaid/hard/mermaid_693.png
new file mode 100644
index 0000000000000000000000000000000000000000..42020aa0aeedc263bd2ce51726ee0630ad2a517c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_693.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd7bb6395c225692d1be57b0f21c1b58b32d3ff0e7500caea0eb7d49b445c3b0
+size 362207
diff --git a/train/mermaid/hard/mermaid_694.mmd b/train/mermaid/hard/mermaid_694.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dd7e2e1a1cd6270edb1d58a6981a39a9b32f4655
--- /dev/null
+++ b/train/mermaid/hard/mermaid_694.mmd
@@ -0,0 +1,87 @@
+graph TD
+    N0([start])
+    N1[Ventilation Planning]
+    N2[Ergonomics Integration]
+    N3([Retail Interior Design])
+    N4(Furniture Selection)
+    N5(Mood Board Creation)
+    N6[/Installation Supervision/]
+    N7(Feng Shui Consultation)
+    N8[/Site Measurement/]
+    N9{Sustainable Design Practices}
+    N10[[Lighting Design]]
+    N11[/Bathroom Design/]
+    S0(( ))
+    S1(( ))
+    subgraph Custom Furniture Design
+        nest0_0(Budget Management)
+        nest0_1[(Hospitality Interior Design)]
+        nest0_2(Living Room Design)
+        nest0_3(Wall Treatment Selection)
+    end
+    subgraph Building Code Compliance
+        nest1_0[Flooring Specification]
+        nest1_1[[Bedroom Design]]
+        nest1_2(Kitchen Design)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> |yes| nest0_3
+    N5 -.-> nest0_0
+    nest0_3 --> N9
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N10 --> nest1_0
+    nest1_2 --> |yes| N9
+    N7 -.-> S0
+    S0 -.-> N11
+    S0 -.-> N9
+    N6 -.-> S1
+    S1 --> N11
+    S1 --> N10
+    S1 --> N8
+    N1 --> N8
+    nest0_0 -.-> nest1_1
+    style S0 fill:#EDF5F3,stroke:#A1D7CD
+    style S1 fill:#DACBE3,stroke:#A188D0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_7.png b/train/mermaid/hard/mermaid_7.png
new file mode 100644
index 0000000000000000000000000000000000000000..25b68d0994e17d069d16f68021aacbfe864b7ad6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_7.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:523ff6ba4a22334ce95ced9f21ca70f57266cf81124dce952b8fb7fe8b08b1eb
+size 255556
diff --git a/train/mermaid/hard/mermaid_70.txt b/train/mermaid/hard/mermaid_70.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44afbf3751b1987539c36ff3b65edae91767f8b0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_70.txt
@@ -0,0 +1,35 @@
+<Barcode Scanning, connectedTo, Order Picking>
+<Barcode Scanning, connectedTo, Warehouse Entry>
+<Cargo Tracking, connectedTo, Ocean Freight Management>
+<Cargo Tracking, partOf, Vehicle Loading>
+<Carrier Selection, connectedTo, end>
+<Consolidation, connectedTo, Customs Declaration>
+<Consolidation, partOf, Cross_docking>
+<Container Loading, connectedTo, Barcode Scanning>
+<Customs Clearance, yes, Supply Chain Visibility>
+<Customs Declaration, connectedTo, Container Loading>
+<Delivery Confirmation, connectedTo, Freight Booking>
+<Delivery Confirmation, connectedTo, Invoice Matching>
+<Delivery Confirmation, connectedTo, Proof of Delivery>
+<Demand Forecasting Integration, connectedTo, Carrier Selection>
+<Demand Forecasting Integration, partOf, Vehicle Loading>
+<Freight Booking, connectedTo, Customs Declaration>
+<Global Trade Compliance, connectedTo, Carrier Selection>
+<Invoice Matching, connectedTo, Cargo Tracking>
+<Invoice Matching, partOf, Vehicle Loading>
+<Last_mile Dispatch, connectedTo, Freight Booking>
+<Ocean Freight Management, connectedTo, Demand Forecasting Integration>
+<Ocean Freight Management, partOf, Vehicle Loading>
+<Order Picking, connectedTo, Consolidation>
+<Order Picking, partOf, Cross_docking>
+<Proof of Delivery, connectedTo, Freight Booking>
+<Proof of Delivery, connectedTo, Last_mile Dispatch>
+<Supply Chain Visibility, connectedTo, Global Trade Compliance>
+<Warehouse Entry, connectedTo, Carrier Selection>
+<Warehouse Entry, connectedTo, Customs Clearance>
+<Warehouse Entry, connectedTo, Supply Chain Visibility>
+<start, connectedTo, Delivery Confirmation>
+<start, connectedTo, Freight Booking>
+<start, connectedTo, Global Trade Compliance>
+<start, connectedTo, Supply Chain Visibility>
+<start, connectedTo, Warehouse Entry>
diff --git a/train/mermaid/hard/mermaid_706.mmd b/train/mermaid/hard/mermaid_706.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f536c1deda80d2f6ba242cd7b6741c51254c0e0e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_706.mmd
@@ -0,0 +1,77 @@
+graph RL
+    N0([start])
+    N1([Geofencing Implementation])
+    N2[/Propulsion System Development/]
+    N3{Swarm Robotics for Drones}
+    N4(Battery Management System)
+    N5[/3D Modeling from Drone Data/]
+    N6(Drone Maintenance)
+    N7[Data Processing from Drones]
+    N8[/Thermal Imaging with Drones/]
+    N9[/Payload Integration/]
+    N10[[Drone Data Security]]
+    N11(Counter_Drone Systems)
+    S0(( ))
+    subgraph Flight Control System
+        nest0_0[[Payload Customization]]
+        nest0_1{Drone Design}
+    end
+    subgraph Drone Delivery Logistics
+        nest1_0([Autonomous Flight])
+        nest1_1[Collision Avoidance Systems]
+        nest1_2[Security Surveillance]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    nest0_0 -.-> nest0_1
+    N8 -.-> nest0_0
+    nest0_1 -.-> N10
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N4 --> |no| nest1_0
+    nest1_2 -.-> N8
+    N8 -.-> S0
+    S0 --> N11
+    S0 -.-> N10
+    N5 -.-> nest0_0
+    N0 --> N5
+    N6 -.-> nest1_2
+    nest1_2 -.-> N6
+    nest0_1 --> N5
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_707.mmd b/train/mermaid/hard/mermaid_707.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..904954df714993fcb8326e92474f91c533a36501
--- /dev/null
+++ b/train/mermaid/hard/mermaid_707.mmd
@@ -0,0 +1,126 @@
+graph TD
+    N0([Delivery Services])
+    N1[(Urban Air Mobility Planning)]
+    N2{AI for Drone Autonomy}
+    N3[Environmental Monitoring]
+    N4[Drone Delivery Logistics]
+    N5[Ethical Drone Use]
+    N6[Mapping and Surveying]
+    N7[Drone Maintenance]
+    N8(Security Surveillance)
+    N9{Airspace Management for Drones}
+    N10[[Drone Regulations Compliance]]
+    N11(Payload Customization)
+    N12{Ground Control Station Development}
+    N13(Geofencing Implementation)
+    N14([Videography])
+    S0(( ))
+    S1(( ))
+    M2(( ))
+    subgraph Navigation System
+        nest0_0[Swarm Robotics for Drones]
+        nest0_1[(3D Modeling from Drone Data)]
+        nest0_2[Wildlife Tracking]
+        nest0_3[Collision Avoidance Systems]
+    end
+    subgraph Counter_Drone Systems
+        nest1_0[Endurance Optimization]
+        nest1_1(Propeller Design)
+        nest1_2(Search and Rescue Operations)
+        nest1_3(Sensor Integration)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |programs| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    nest0_0 --> nest0_1
+    nest0_1 --> |manufactures| nest0_2
+    nest0_2 -.-> nest0_3
+    N8 -.-> nest0_0
+    nest0_3 --> |identifies| N1
+    nest1_0 -.-> |automates| nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N6 -.-> nest1_0
+    nest1_3 --> N7
+    N8 -.-> S0
+    S0 --> N10
+    S0 --> N13
+    N8 -.-> S1
+    S1 -.-> N11
+    S1 -.-> N14
+    N1 --> M2
+    N0 --> M2
+    M2 -.-> N6
+    nest0_3 --> N8
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#F3E5F5,stroke:#AB47BC
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F3E5F5,stroke:#AB47BC
+    style N5 fill:#E0F2F1,stroke:#26A69A
+    style N6 fill:#F0F0F0,stroke:#D2D2D2
+    style N7 fill:#E0F2F1,stroke:#26A69A
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 fill:#F0F0F0,stroke:#D2D2D2
+    style N11 fill:#F3E5F5,stroke:#AB47BC
+    style N12 fill:#E0F2F1,stroke:#26A69A
+    style N13 fill:#F0F0F0,stroke:#D2D2D2
+    style N14 fill:#E0F2F1,stroke:#26A69A
+    style S0 fill:#F0F0F0,stroke:#D2D2D2
+    style S1 fill:#F0F0F0,stroke:#D2D2D2
+    style M2 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_1 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_2 fill:#E0F2F1,stroke:#26A69A
+    style nest0_3 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_1 fill:#F3E5F5,stroke:#AB47BC
+    style nest1_2 fill:#E0F2F1,stroke:#26A69A
+    style nest1_3 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#AB47BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_707.txt b/train/mermaid/hard/mermaid_707.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a75336d2a17bbeb82b225e549bc20a937fa74dbd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_707.txt
@@ -0,0 +1,39 @@
+<3D Modeling from Drone Data, manufactures, Wildlife Tracking>
+<3D Modeling from Drone Data, partOf, Navigation System>
+<AI for Drone Autonomy, programs, Environmental Monitoring>
+<Airspace Management for Drones, connectedTo, Drone Regulations Compliance>
+<Collision Avoidance Systems, connectedTo, Security Surveillance>
+<Collision Avoidance Systems, identifies, Urban Air Mobility Planning>
+<Collision Avoidance Systems, partOf, Navigation System>
+<Delivery Services, connectedTo, Mapping and Surveying>
+<Delivery Services, connectedTo, Urban Air Mobility Planning>
+<Drone Delivery Logistics, connectedTo, Ethical Drone Use>
+<Drone Maintenance, connectedTo, Security Surveillance>
+<Drone Regulations Compliance, connectedTo, Payload Customization>
+<Endurance Optimization, automates, Propeller Design>
+<Endurance Optimization, partOf, Counter_Drone Systems>
+<Environmental Monitoring, connectedTo, Drone Delivery Logistics>
+<Ethical Drone Use, connectedTo, Mapping and Surveying>
+<Geofencing Implementation, connectedTo, Videography>
+<Ground Control Station Development, connectedTo, Geofencing Implementation>
+<Mapping and Surveying, connectedTo, Drone Maintenance>
+<Mapping and Surveying, connectedTo, Endurance Optimization>
+<Payload Customization, connectedTo, Ground Control Station Development>
+<Propeller Design, connectedTo, Search and Rescue Operations>
+<Propeller Design, partOf, Counter_Drone Systems>
+<Search and Rescue Operations, connectedTo, Sensor Integration>
+<Search and Rescue Operations, partOf, Counter_Drone Systems>
+<Security Surveillance, connectedTo, Airspace Management for Drones>
+<Security Surveillance, connectedTo, Drone Regulations Compliance>
+<Security Surveillance, connectedTo, Geofencing Implementation>
+<Security Surveillance, connectedTo, Payload Customization>
+<Security Surveillance, connectedTo, Swarm Robotics for Drones>
+<Security Surveillance, connectedTo, Videography>
+<Sensor Integration, connectedTo, Drone Maintenance>
+<Sensor Integration, partOf, Counter_Drone Systems>
+<Swarm Robotics for Drones, connectedTo, 3D Modeling from Drone Data>
+<Swarm Robotics for Drones, partOf, Navigation System>
+<Urban Air Mobility Planning, connectedTo, AI for Drone Autonomy>
+<Urban Air Mobility Planning, connectedTo, Mapping and Surveying>
+<Wildlife Tracking, connectedTo, Collision Avoidance Systems>
+<Wildlife Tracking, partOf, Navigation System>
diff --git a/train/mermaid/hard/mermaid_708.png b/train/mermaid/hard/mermaid_708.png
new file mode 100644
index 0000000000000000000000000000000000000000..3ce1b64d0fe14f4fa242f0a6a351c6899bea3d46
--- /dev/null
+++ b/train/mermaid/hard/mermaid_708.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1b970297d3973519f169093516b37977dba9c217c0ae07bd5d2f8cc5ad32ea8e
+size 638142
diff --git a/train/mermaid/hard/mermaid_708.txt b/train/mermaid/hard/mermaid_708.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a8fdeb2b6a75e0b2d6d346db288a06f0fff032a6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_708.txt
@@ -0,0 +1,44 @@
+<3D Modeling from Drone Data, connectedTo, Propeller Design>
+<3D Modeling from Drone Data, connectedTo, Security Surveillance>
+<3D Modeling from Drone Data, connectedTo, Swarm Robotics for Drones>
+<AI for Drone Autonomy, connectedTo, Inspection>
+<AI for Drone Autonomy, yes, Propulsion System Development>
+<Aerial Photography, connectedTo, Autonomous Flight>
+<Aerial Photography, connectedTo, Propeller Design>
+<Autonomous Flight, connectedTo, Data Processing from Drones>
+<Autonomous Flight, connectedTo, Propeller Design>
+<Autonomous Flight, connectedTo, Security Surveillance>
+<Autonomous Flight, yes, Geofencing Implementation>
+<Battery Management System, no, end>
+<Communication Systems, connectedTo, Drone Delivery Logistics>
+<Communication Systems, partOf, Drone Regulations Compliance>
+<Data Processing from Drones, no, Urban Air Mobility Planning>
+<Drone Delivery Logistics, connectedTo, Aerial Photography>
+<Drone Delivery Logistics, partOf, Drone Regulations Compliance>
+<Drone Design, connectedTo, Battery Management System>
+<Drone Design, connectedTo, Flight Planning Software>
+<Flight Control System, connectedTo, Autonomous Flight>
+<Flight Control System, partOf, Sensor Integration>
+<Flight Planning Software, connectedTo, Aerial Photography>
+<Flight Planning Software, connectedTo, Propeller Design>
+<Geofencing Implementation, connectedTo, Battery Management System>
+<Geofencing Implementation, connectedTo, Propeller Design>
+<Geofencing Implementation, connectedTo, Videography>
+<Geofencing Implementation, connectedTo, end>
+<Inspection, connectedTo, Geofencing Implementation>
+<Mapping and Surveying, connectedTo, Flight Control System>
+<Mapping and Surveying, partOf, Sensor Integration>
+<Payload Integration, connectedTo, Drone Design>
+<Payload Integration, connectedTo, Security Surveillance>
+<Propeller Design, connectedTo, Data Processing from Drones>
+<Propulsion System Development, connectedTo, Mapping and Surveying>
+<Propulsion System Development, partOf, Sensor Integration>
+<Security Surveillance, connectedTo, AI for Drone Autonomy>
+<Swarm Robotics for Drones, connectedTo, Battery Management System>
+<Swarm Robotics for Drones, yes, Payload Integration>
+<Thermal Imaging with Drones, no, 3D Modeling from Drone Data>
+<Urban Air Mobility Planning, connectedTo, Battery Management System>
+<Videography, connectedTo, Communication Systems>
+<Videography, connectedTo, Propeller Design>
+<start, connectedTo, Security Surveillance>
+<start, yes, Thermal Imaging with Drones>
diff --git a/train/mermaid/hard/mermaid_711.mmd b/train/mermaid/hard/mermaid_711.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fff4c03db64f404adc482a56f490f46452553e66
--- /dev/null
+++ b/train/mermaid/hard/mermaid_711.mmd
@@ -0,0 +1,116 @@
+graph LR
+    N0([Endurance Optimization])
+    N1(Urban Air Mobility Planning)
+    N2[[Remote Piloting Training]]
+    N3[(Geofencing Implementation)]
+    N4[Battery Management System]
+    N5(Data Processing from Drones)
+    N6([Drone Design])
+    N7{Payload Customization}
+    N8(Counter_Drone Systems)
+    N9[[Mapping and Surveying]]
+    N10{Ground Control Station Development}
+    N11[Ethical Drone Use]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Collision Avoidance Systems
+        nest0_0([Drone Maintenance])
+        nest0_1([Flight Planning Software])
+        nest0_2[Airspace Management for Drones]
+        nest0_3[(Navigation System)]
+    end
+    subgraph Propulsion System Development
+        nest1_0[Thermal Imaging with Drones]
+        nest1_1([Delivery Services])
+        nest1_2{Videography}
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |tests| N6
+    N6 --> N7
+    N7 -.-> |builds| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N2 --> nest0_0
+    nest0_3 --> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N8 --> nest1_0
+    nest1_2 --> N5
+    N5 --> S0
+    S0 --> |regulates| N7
+    S0 -.-> N8
+    N8 --> S1
+    S1 --> N10
+    S1 --> N11
+    N3 --> M0
+    N0 -.-> M0
+    M0 -.-> N9
+    N3 -.-> M1
+    N5 -.-> M1
+    M1 --> N7
+    style N0 fill:#EFE6FF,stroke:#C2B2F0
+    style N1 fill:#C8E6C9,stroke:#388E3C
+    style N2 fill:#EFE6FF,stroke:#C2B2F0
+    style N3 fill:#EFE6FF,stroke:#C2B2F0
+    style N4 fill:#EFE6FF,stroke:#C2B2F0
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#C8E6C9,stroke:#388E3C
+    style N7 fill:#C8E6C9,stroke:#388E3C
+    style N8 fill:#C8E6C9,stroke:#388E3C
+    style N9 fill:#EFE6FF,stroke:#C2B2F0
+    style N10 fill:#E1F5FE,stroke:#4FC3F7
+    style N11 fill:#C8E6C9,stroke:#388E3C
+    style S0 fill:#E1F5FE,stroke:#4FC3F7
+    style S1 fill:#EFE6FF,stroke:#C2B2F0
+    style M0 fill:#C8E6C9,stroke:#388E3C
+    style M1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_0 fill:#E1F5FE,stroke:#4FC3F7
+    style nest0_1 fill:#C8E6C9,stroke:#388E3C
+    style nest0_2 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_3 fill:#EFE6FF,stroke:#C2B2F0
+    style nest1_0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest1_1 fill:#E1F5FE,stroke:#4FC3F7
+    style nest1_2 fill:#EFE6FF,stroke:#C2B2F0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4FC3F7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_711.png b/train/mermaid/hard/mermaid_711.png
new file mode 100644
index 0000000000000000000000000000000000000000..7fcb21b32ae204c69ff35d3a646af19a282f179b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_711.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b1cc8c32658657e2dd3fc8d028547b3d9ea3e4ec50d0dfbec5064155fb1bce3c
+size 196330
diff --git a/train/mermaid/hard/mermaid_716.txt b/train/mermaid/hard/mermaid_716.txt
new file mode 100644
index 0000000000000000000000000000000000000000..861d16c32bba119ad0e633fb603c45d88f9fd5e5
--- /dev/null
+++ b/train/mermaid/hard/mermaid_716.txt
@@ -0,0 +1,39 @@
+<Accident Reconstruction for AVs, connectedTo, Lane Keeping Assist>
+<Adaptive Cruise Control, connectedTo, Decision_Making Algorithms>
+<Cybersecurity for AVs, connectedTo, Edge Computing for AVs>
+<Data Collection and Annotation, connectedTo, Simulation Environment Development>
+<Data Collection and Annotation, partOf, Vehicle_to_Vehicle Communication>
+<Driver Monitoring Systems, connectedTo, Path Planning>
+<Driver Monitoring Systems, partOf, Vehicle_to_Vehicle Communication>
+<Edge Computing for AVs, connectedTo, Accident Reconstruction for AVs>
+<Fleet Management, connectedTo, Traffic Sign Recognition>
+<Hardware Design, connectedTo, Decision_Making Algorithms>
+<Hardware Design, connectedTo, Fleet Management>
+<Hardware Design, connectedTo, Traffic Sign Recognition>
+<Human_Machine Interface, connectedTo, Adaptive Cruise Control>
+<Human_Machine Interface, transports, Map Data Management>
+<Lane Keeping Assist, connectedTo, Localization and Mapping>
+<Lane Keeping Assist, recognizes, Adaptive Cruise Control>
+<Localization and Mapping, connectedTo, Vehicle Diagnostics>
+<Map Data Management, connectedTo, Decision_Making Algorithms>
+<Map Data Management, connectedTo, Fleet Management>
+<Map Data Management, connectedTo, Lane Keeping Assist>
+<Map Data Management, connectedTo, Object Detection and Classification>
+<Map Data Management, upgrades, Cybersecurity for AVs>
+<Object Detection and Classification, connectedTo, Fleet Management>
+<Object Detection and Classification, navigates, Perception System>
+<Path Planning, partOf, Vehicle_to_Vehicle Communication>
+<Path Planning, updates, Adaptive Cruise Control>
+<Pedestrian Detection, connectedTo, Predictive Maintenance>
+<Pedestrian Detection, partOf, Vehicle_to_Infrastructure Communication>
+<Perception System, connectedTo, Cybersecurity for AVs>
+<Predictive Maintenance, connectedTo, Remote Operation Capability>
+<Predictive Maintenance, partOf, Vehicle_to_Infrastructure Communication>
+<Remote Operation Capability, alerts, Adaptive Cruise Control>
+<Remote Operation Capability, connectedTo, Data Collection and Annotation>
+<Simulation Environment Development, connectedTo, Driver Monitoring Systems>
+<Simulation Environment Development, partOf, Vehicle_to_Vehicle Communication>
+<Simulation and Testing, connectedTo, Hardware Design>
+<Simulation and Testing, connectedTo, Pedestrian Detection>
+<Traffic Sign Recognition, connectedTo, Remote Operation Capability>
+<Vehicle Diagnostics, connectedTo, Simulation and Testing>
diff --git a/train/mermaid/hard/mermaid_718.txt b/train/mermaid/hard/mermaid_718.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a9fbce8fe07649f1be95c129ca2f709ca37b71e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_718.txt
@@ -0,0 +1,35 @@
+<Adaptive Cruise Control, connectedTo, Battery Management for EVs>
+<Adaptive Cruise Control, connectedTo, Regulatory Compliance>
+<Battery Management for EVs, connectedTo, Lane Keeping Assist>
+<Battery Management for EVs, connectedTo, Localization and Mapping>
+<Charging Infrastructure, connectedTo, Insurance Models for AVs>
+<Cloud Connectivity for AVs, connectedTo, Remote Operation Capability>
+<Cloud Connectivity for AVs, partOf, Driver Monitoring Systems>
+<Cybersecurity for AVs, connectedTo, Cloud Connectivity for AVs>
+<Cybersecurity for AVs, partOf, Driver Monitoring Systems>
+<Decision_Making Algorithms, connectedTo, Adaptive Cruise Control>
+<Decision_Making Algorithms, connectedTo, Cybersecurity for AVs>
+<Fleet Management, connectedTo, Ethical Decision_Making>
+<Fleet Management, connectedTo, Human_Machine Interface>
+<Fleet Management, connectedTo, Insurance Models for AVs>
+<Fleet Management, connectedTo, Pedestrian Detection>
+<Human_Machine Interface, connectedTo, Decision_Making Algorithms>
+<Insurance Models for AVs, connectedTo, Simulation Environment Development>
+<Lane Keeping Assist, connectedTo, Ethical Decision_Making>
+<Localization and Mapping, connectedTo, Charging Infrastructure>
+<Parking Assistance Systems, communicates, Fleet Management>
+<Pedestrian Detection, assembles, Human_Machine Interface>
+<Pedestrian Detection, connectedTo, Ethical Decision_Making>
+<Pedestrian Detection, connectedTo, Lane Keeping Assist>
+<Pedestrian Detection, connectedTo, Simulation Environment Development>
+<Public Acceptance and Trust, connectedTo, Vehicle_to_Infrastructure Communication>
+<Public Acceptance and Trust, partOf, Vehicle_to_Vehicle Communication>
+<Regulatory Compliance, connectedTo, Public Acceptance and Trust>
+<Regulatory Compliance, partOf, Vehicle_to_Vehicle Communication>
+<Remote Operation Capability, connectedTo, Decision_Making Algorithms>
+<Remote Operation Capability, partOf, Driver Monitoring Systems>
+<Simulation Environment Development, connectedTo, Lane Keeping Assist>
+<Software Development, connectedTo, Charging Infrastructure>
+<Software Development, partOf, Vehicle_to_Vehicle Communication>
+<Vehicle_to_Infrastructure Communication, connectedTo, Software Development>
+<Vehicle_to_Infrastructure Communication, partOf, Vehicle_to_Vehicle Communication>
diff --git a/train/mermaid/hard/mermaid_719.png b/train/mermaid/hard/mermaid_719.png
new file mode 100644
index 0000000000000000000000000000000000000000..c58ede8dd534985bae41f008d7b6ea8944420765
--- /dev/null
+++ b/train/mermaid/hard/mermaid_719.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:073750824aab746175bff55ff71829e167e3523e89d258ebce6dcbaf69c0c999
+size 378187
diff --git a/train/mermaid/hard/mermaid_72.mmd b/train/mermaid/hard/mermaid_72.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bf2b4bb0116dec6cea077db0c6f16b5de0f4bd3c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_72.mmd
@@ -0,0 +1,118 @@
+graph LR
+    N0([start])
+    N1[(Global Trade Compliance)]
+    N2[Yard Management]
+    N3[(Delay Notification)]
+    N4[Route Optimization Software]
+    N5[[Invoice Matching]]
+    N6([Package Labeling])
+    N7(Proof of Delivery)
+    N8[/Rail Transport Coordination/]
+    N9(Customs Declaration)
+    N10[Deconsolidation]
+    N11[Driver Check_in]
+    N12(Damage Reporting)
+    N13(Cargo Tracking)
+    N14(Freight Booking)
+    N15([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Supply Chain Visibility
+        nest0_0[(Air Cargo Handling)]
+        nest0_1(Hazardous Material Transport)
+        nest0_2[(Last_mile Dispatch)]
+    end
+    subgraph Container Loading
+        nest1_0[/Return Logistics/]
+        nest1_1[[Barcode Scanning]]
+        nest1_2[(Delivery Confirmation)]
+    end
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |yes| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> |no| N14
+    N14 -.-> N15
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N1 -.-> nest0_0
+    nest0_2 --> N1
+    nest1_0 --> |yes| nest1_1
+    nest1_1 --> nest1_2
+    N3 --> nest1_0
+    nest1_2 -.-> N12
+    N11 --> S0
+    S0 -.-> N15
+    S0 --> N14
+    N12 -.-> S1
+    S1 -.-> N14
+    S1 --> N15
+    N11 -.-> S2
+    S2 --> N15
+    S2 --> N13
+    N7 --> M0
+    N5 -.-> M0
+    N4 -.-> M0
+    M0 -.-> N9
+    N5 -.-> M1
+    N2 --> M1
+    N4 -.-> M1
+    M1 --> N12
+    style S0 fill:#EDF5F3,stroke:#A1D7CD
+    style S1 fill:#D0EFEE,stroke:#73C6BC
+    style S2 fill:#EDF5F3,stroke:#A1D7CD
+    style M0 fill:#D0EFEE,stroke:#73C6BC
+    style M1 fill:#EDF5F3,stroke:#A1D7CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_720.mmd b/train/mermaid/hard/mermaid_720.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c5708869a080ead091f366d29b6190276f98c445
--- /dev/null
+++ b/train/mermaid/hard/mermaid_720.mmd
@@ -0,0 +1,160 @@
+graph RL
+    N0([Edge Computing for AVs])
+    N1[Battery Management for EVs]
+    N2[Traffic Sign Recognition]
+    N3[Vehicle_to_Vehicle Communication]
+    N4(Cloud Connectivity for AVs)
+    N5[Fleet Management]
+    N6[[Vehicle_to_Infrastructure Communication]]
+    N7[[Accident Reconstruction for AVs]]
+    N8(Regulatory Compliance)
+    N9[[Automatic Emergency Braking]]
+    N10[Insurance Models for AVs]
+    N11[Adaptive Cruise Control]
+    N12[[Parking Assistance Systems]]
+    N13[(Vehicle Diagnostics)]
+    N14[Pedestrian Detection]
+    N15[/Ethical Decision_Making/]
+    N16(Charging Infrastructure)
+    N17[Predictive Maintenance]
+    N18[(Remote Operation Capability)]
+    N19([Decision_Making Algorithms])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Driver Monitoring Systems
+        nest0_0(Over_the_Air Updates)
+        nest0_1[/Public Acceptance and Trust/]
+    end
+    subgraph Lane Keeping Assist
+        nest1_0(Motion Control)
+        nest1_1{Localization and Mapping}
+        nest1_2[Hardware Design]
+    end
+    N0 -.-> |certifies| N1
+    N1 -.-> |detects| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |alerts| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 --> N16
+    N16 -.-> N17
+    N17 --> N18
+    N18 --> N19
+    nest0_0 --> nest0_1
+    N18 --> nest0_0
+    nest0_1 -.-> |integrates| N5
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N16 --> |tests| nest1_0
+    nest1_2 -.-> N19
+    N11 --> S0
+    S0 -.-> N19
+    S0 --> N18
+    S0 -.-> N14
+    S0 -.-> |navigates| N17
+    N6 -.-> S1
+    S1 -.-> N16
+    S1 --> N9
+    N3 -.-> S2
+    S2 -.-> N7
+    S2 -.-> N18
+    S2 --> N13
+    N0 --> M0
+    N12 -.-> M0
+    N1 --> |learns| M0
+    N14 --> M0
+    M0 -.-> N19
+    N1 --> M1
+    N0 -.-> M1
+    N2 --> M1
+    M1 -.-> N4
+    style N0 fill:#F1F8FF,stroke:#42A5F5
+    style N1 fill:#F1F8E9,stroke:#388E3C
+    style N2 fill:#F1F8FF,stroke:#42A5F5
+    style N3 fill:#F1F8FF,stroke:#42A5F5
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style N5 fill:#F6F6F6,stroke:#CFCFCF
+    style N6 fill:#F1F8FF,stroke:#42A5F5
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#F6F6F6,stroke:#CFCFCF
+    style N9 fill:#F1F8FF,stroke:#42A5F5
+    style N10 fill:#F1F8E9,stroke:#388E3C
+    style N11 fill:#F6F6F6,stroke:#CFCFCF
+    style N12 fill:#F6F6F6,stroke:#CFCFCF
+    style N13 fill:#F1F8FF,stroke:#42A5F5
+    style N14 fill:#F1F8E9,stroke:#388E3C
+    style N15 fill:#F1F8FF,stroke:#42A5F5
+    style N16 fill:#F1F8E9,stroke:#388E3C
+    style N17 fill:#F6F6F6,stroke:#CFCFCF
+    style N18 fill:#F1F8E9,stroke:#388E3C
+    style N19 fill:#F1F8E9,stroke:#388E3C
+    style S0 fill:#F6F6F6,stroke:#CFCFCF
+    style S1 fill:#F1F8FF,stroke:#42A5F5
+    style S2 fill:#F6F6F6,stroke:#CFCFCF
+    style M0 fill:#F6F6F6,stroke:#CFCFCF
+    style M1 fill:#F6F6F6,stroke:#CFCFCF
+    style nest0_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_1 fill:#F6F6F6,stroke:#CFCFCF
+    style nest1_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_1 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_2 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_720.txt b/train/mermaid/hard/mermaid_720.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c07f81e7b4cf2d7894769f08c66cc948ee8674a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_720.txt
@@ -0,0 +1,47 @@
+<Accident Reconstruction for AVs, connectedTo, Regulatory Compliance>
+<Adaptive Cruise Control, connectedTo, Decision_Making Algorithms>
+<Adaptive Cruise Control, connectedTo, Parking Assistance Systems>
+<Adaptive Cruise Control, connectedTo, Pedestrian Detection>
+<Adaptive Cruise Control, connectedTo, Remote Operation Capability>
+<Adaptive Cruise Control, navigates, Predictive Maintenance>
+<Automatic Emergency Braking, connectedTo, Insurance Models for AVs>
+<Battery Management for EVs, connectedTo, Cloud Connectivity for AVs>
+<Battery Management for EVs, detects, Traffic Sign Recognition>
+<Battery Management for EVs, learns, Decision_Making Algorithms>
+<Charging Infrastructure, connectedTo, Predictive Maintenance>
+<Charging Infrastructure, tests, Motion Control>
+<Cloud Connectivity for AVs, alerts, Fleet Management>
+<Edge Computing for AVs, certifies, Battery Management for EVs>
+<Edge Computing for AVs, connectedTo, Cloud Connectivity for AVs>
+<Edge Computing for AVs, connectedTo, Decision_Making Algorithms>
+<Ethical Decision_Making, connectedTo, Charging Infrastructure>
+<Fleet Management, connectedTo, Vehicle_to_Infrastructure Communication>
+<Hardware Design, connectedTo, Decision_Making Algorithms>
+<Hardware Design, partOf, Lane Keeping Assist>
+<Insurance Models for AVs, connectedTo, Adaptive Cruise Control>
+<Localization and Mapping, connectedTo, Hardware Design>
+<Localization and Mapping, partOf, Lane Keeping Assist>
+<Motion Control, connectedTo, Localization and Mapping>
+<Motion Control, partOf, Lane Keeping Assist>
+<Over_the_Air Updates, connectedTo, Public Acceptance and Trust>
+<Over_the_Air Updates, partOf, Driver Monitoring Systems>
+<Parking Assistance Systems, connectedTo, Decision_Making Algorithms>
+<Parking Assistance Systems, connectedTo, Vehicle Diagnostics>
+<Pedestrian Detection, connectedTo, Decision_Making Algorithms>
+<Pedestrian Detection, connectedTo, Ethical Decision_Making>
+<Predictive Maintenance, connectedTo, Remote Operation Capability>
+<Public Acceptance and Trust, integrates, Fleet Management>
+<Public Acceptance and Trust, partOf, Driver Monitoring Systems>
+<Regulatory Compliance, connectedTo, Automatic Emergency Braking>
+<Remote Operation Capability, connectedTo, Decision_Making Algorithms>
+<Remote Operation Capability, connectedTo, Over_the_Air Updates>
+<Traffic Sign Recognition, connectedTo, Cloud Connectivity for AVs>
+<Traffic Sign Recognition, connectedTo, Vehicle_to_Vehicle Communication>
+<Vehicle Diagnostics, connectedTo, Pedestrian Detection>
+<Vehicle_to_Infrastructure Communication, connectedTo, Accident Reconstruction for AVs>
+<Vehicle_to_Infrastructure Communication, connectedTo, Automatic Emergency Braking>
+<Vehicle_to_Infrastructure Communication, connectedTo, Charging Infrastructure>
+<Vehicle_to_Vehicle Communication, connectedTo, Accident Reconstruction for AVs>
+<Vehicle_to_Vehicle Communication, connectedTo, Cloud Connectivity for AVs>
+<Vehicle_to_Vehicle Communication, connectedTo, Remote Operation Capability>
+<Vehicle_to_Vehicle Communication, connectedTo, Vehicle Diagnostics>
diff --git a/train/mermaid/hard/mermaid_721.txt b/train/mermaid/hard/mermaid_721.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b0f37da7ba3ad7cf14762c8daab278708941ebea
--- /dev/null
+++ b/train/mermaid/hard/mermaid_721.txt
@@ -0,0 +1,36 @@
+<Accessibility for Users, connectedTo, Dynamic Pricing>
+<Accessibility for Users, connectedTo, Maintenance Scheduling>
+<Accessibility for Users, connectedTo, Parking Integration>
+<Accessibility for Users, connectedTo, Passenger Safety Protocols>
+<Accessibility for Users, connectedTo, Vehicle Location Tracking>
+<Charging or Refueling Logistics, connectedTo, Passenger Safety Protocols>
+<Demand Prediction, connectedTo, Parking Integration>
+<Demand Prediction, partOf, Data Analytics for Usage Patterns>
+<Driver Management, charges, Scooter_sharing Services>
+<Driver Management, partOf, Data Analytics for Usage Patterns>
+<Dynamic Pricing, authenticates, Subscription Model Management>
+<Dynamic Pricing, connectedTo, Charging or Refueling Logistics>
+<Dynamic Pricing, connectedTo, Smart City Integration>
+<Dynamic Pricing, connectedTo, Vehicle Location Tracking>
+<Fraud Prevention, connectedTo, Route Optimization>
+<Fraud Prevention, partOf, First_Mile or Last_Mile Solutions>
+<Maintenance Scheduling, connectedTo, Fraud Prevention>
+<Maintenance Scheduling, partOf, First_Mile or Last_Mile Solutions>
+<Parking Integration, accesses, Dynamic Pricing>
+<Parking Integration, connectedTo, Smart City Integration>
+<Passenger Safety Protocols, connectedTo, Vehicle Location Tracking>
+<Route Optimization, connectedTo, User Onboarding>
+<Route Optimization, partOf, First_Mile or Last_Mile Solutions>
+<Scooter_sharing Services, connectedTo, Demand Prediction>
+<Scooter_sharing Services, partOf, Data Analytics for Usage Patterns>
+<Smart City Integration, connectedTo, Charging or Refueling Logistics>
+<Smart City Integration, connectedTo, Passenger Safety Protocols>
+<Smart City Integration, connectedTo, Vehicle Location Tracking>
+<Smart City Integration, connectedTo, Vehicle Rebalancing>
+<User Onboarding, connectedTo, Charging or Refueling Logistics>
+<User Onboarding, partOf, First_Mile or Last_Mile Solutions>
+<Vehicle Location Tracking, connectedTo, Subscription Model Management>
+<Vehicle Rebalancing, connectedTo, Driver Management>
+<Vehicle Rebalancing, partOf, Data Analytics for Usage Patterns>
+<start, connectedTo, Accessibility for Users>
+<start, connectedTo, Smart City Integration>
diff --git a/train/mermaid/hard/mermaid_724.mmd b/train/mermaid/hard/mermaid_724.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..35fa4a997681ade1c1c29fdb33b781abb536423b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_724.mmd
@@ -0,0 +1,96 @@
+graph RL
+    N0([Fraud Prevention])
+    N1(User Onboarding)
+    N2[/Maintenance Scheduling/]
+    N3(Bike_sharing Services)
+    N4[Insurance Models]
+    N5([Carbon Emission Tracking])
+    N6[User Registration]
+    N7{Driver Management}
+    N8[Policy Advocacy for Shared Mobility]
+    N9[Accessibility for Users]
+    N10(Ticketing and Fare Collection)
+    N11(Parking Integration)
+    S0(( ))
+    M1(( ))
+    subgraph Smart City Integration
+        nest0_0[Payment Processing]
+        nest0_1[/Charging or Refueling Logistics/]
+        nest0_2(Sustainability Initiatives)
+    end
+    subgraph Ride_sharing Services
+        nest1_0(Supply_Demand Balancing)
+        nest1_1(Scooter_sharing Services)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N6 --> nest0_0
+    nest0_2 --> N7
+    nest1_0 -.-> nest1_1
+    N2 --> nest1_0
+    nest1_1 -.-> N10
+    N3 -.-> S0
+    S0 -.-> N8
+    S0 -.-> N11
+    S0 -.-> N6
+    N1 -.-> M1
+    N2 --> M1
+    M1 --> N6
+    nest0_2 -.-> nest0_0
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#FCE4EC,stroke:#E91E63
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    style N8 fill:#B2EBF2,stroke:#00BCD4
+    style N9 fill:#B2EBF2,stroke:#00BCD4
+    style N10 fill:#F8BBD0,stroke:#E91E63
+    style N11 fill:#B2EBF2,stroke:#00BCD4
+    style S0 fill:#B2EBF2,stroke:#00BCD4
+    style M1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_0 fill:#FCE4EC,stroke:#E91E63
+    style nest0_1 fill:#F8BBD0,stroke:#E91E63
+    style nest0_2 fill:#B2EBF2,stroke:#00BCD4
+    style nest1_0 fill:#FCE4EC,stroke:#E91E63
+    style nest1_1 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_724.png b/train/mermaid/hard/mermaid_724.png
new file mode 100644
index 0000000000000000000000000000000000000000..00b43df844da762c93973a981accff284e1b39f7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_724.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:254c53cde7f7228596f0558d82e891719ba0f7da35c1faa0e9c2f969ae32d2c2
+size 143962
diff --git a/train/mermaid/hard/mermaid_727.png b/train/mermaid/hard/mermaid_727.png
new file mode 100644
index 0000000000000000000000000000000000000000..546d1c7d990c69bb0ef2d3ed95ca0ddbb63f80d9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_727.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:21e12c53809d286921e83c1a48d79128e01642a6cf59ea914911c56dc8847d05
+size 532763
diff --git a/train/mermaid/hard/mermaid_729.mmd b/train/mermaid/hard/mermaid_729.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0262abe821d6d254ee44825495b0fb7192d12788
--- /dev/null
+++ b/train/mermaid/hard/mermaid_729.mmd
@@ -0,0 +1,120 @@
+graph BT
+    N0([Demand Forecasting])
+    N1[Automated Parking Garages]
+    N2([Integration with Navigation Apps])
+    N3[[Data Analytics for Parking Usage]]
+    N4([Parking Guidance Systems])
+    N5[/Environmental Impact Monitoring/]
+    N6[Fleet Parking Solutions]
+    N7[/Mobile Parking Apps/]
+    N8[(Smart City Integration for Parking)]
+    N9[[Event Parking Management]]
+    N10[Enforcement and Fines Management]
+    N11{Valet Parking Automation}
+    N12(Cloud_based Parking Platforms)
+    N13([end])
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Security Surveillance
+        nest0_0[On_Street Parking Management]
+        nest0_1[(License Plate Recognition)]
+        nest0_2{Navigation to Open Space}
+    end
+    subgraph Edge Computing for Parking Data
+        nest1_0(Automated Payment)
+        nest1_1(Violation Detection)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |navigates| N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    nest0_0 -.-> nest0_1
+    nest0_1 --> |guides| nest0_2
+    N10 --> nest0_0
+    nest0_2 -.-> N13
+    nest1_0 --> nest1_1
+    N6 --> nest1_0
+    nest1_1 -.-> N8
+    N3 --> S1
+    S1 -.-> N8
+    S1 -.-> N10
+    S1 -.-> N7
+    N10 --> S2
+    S2 --> N12
+    S2 --> N13
+    N1 --> M0
+    N0 --> M0
+    N2 --> M0
+    M0 --> N4
+    N0 --> M1
+    N1 -.-> M1
+    M1 -.-> N3
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#FFECB3,stroke:#FFC107
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    style N9 fill:#FFEBEB,stroke:#FFC2C2
+    style N10 fill:#FFECB3,stroke:#FFC107
+    style N11 fill:#F8FDD3,stroke:#D3EB9F
+    style N12 fill:#FFEBEB,stroke:#FFC2C2
+    style N13 fill:#FFEBEB,stroke:#FFC2C2
+    style S1 fill:#FFEBEB,stroke:#FFC2C2
+    style S2 fill:#F8FDD3,stroke:#D3EB9F
+    style M0 fill:#F8FDD3,stroke:#D3EB9F
+    style M1 fill:#FFECB3,stroke:#FFC107
+    style nest0_0 fill:#FFECB3,stroke:#FFC107
+    style nest0_1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_2 fill:#F8FDD3,stroke:#D3EB9F
+    style nest1_0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest1_1 fill:#FFECB3,stroke:#FFC107
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_73.png b/train/mermaid/hard/mermaid_73.png
new file mode 100644
index 0000000000000000000000000000000000000000..1c9155f9caea717b17fb5923bd63bae5193548b5
--- /dev/null
+++ b/train/mermaid/hard/mermaid_73.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44ce194e4b9d68578759178a5e9ce2053ef0579cf4d05214177d1e4d9b38bdf6
+size 162104
diff --git a/train/mermaid/hard/mermaid_731.png b/train/mermaid/hard/mermaid_731.png
new file mode 100644
index 0000000000000000000000000000000000000000..c10cbb77dbe2eb5e516de6dd62ce53773c483ec3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_731.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4b6b805d8ad6ee62af5b4171a0b2765c7d1620b11647eb213c62a773d2c59249
+size 684836
diff --git a/train/mermaid/hard/mermaid_732.mmd b/train/mermaid/hard/mermaid_732.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4bfb2135eb3e8b97787cbbf82374b39315fefd3d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_732.mmd
@@ -0,0 +1,139 @@
+graph RL
+    N0([start])
+    N1[(Off_Street Parking Management)]
+    N2([Real_Time Information Display])
+    N3{Dynamic Pricing}
+    N4(Reservations System)
+    N5{Vacancy Monitoring}
+    N6{Automated Parking Garages}
+    N7[(User Experience Design for Apps)]
+    N8[Billing and Reconciliation]
+    N9(Emergency Vehicle Access Management)
+    N10{On_Street Parking Management}
+    N11[Ticketing System Integration]
+    N12(Integration with Navigation Apps)
+    N13[Event Parking Management]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Data Analytics for Parking Usage
+        nest0_0[(Environmental Impact Monitoring)]
+        nest0_1[/Fleet Parking Solutions/]
+        nest0_2[Space Detection]
+    end
+    subgraph Electric Vehicle Charging Integration
+        nest1_0[Valet Parking Automation]
+        nest1_1(Smart City Integration for Parking)
+        nest1_2([IoT Sensors for Parking])
+        nest1_3{License Plate Recognition}
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N1 --> |yes| nest0_0
+    nest0_2 -.-> N7
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N11 --> nest1_0
+    nest1_3 --> N4
+    N6 --> S0
+    S0 --> |no| N8
+    S0 -.-> N9
+    S0 -.-> N13
+    N5 -.-> S1
+    S1 --> N8
+    S1 -.-> N12
+    S1 -.-> N13
+    S1 -.-> N10
+    N5 -.-> S2
+    S2 --> N8
+    S2 --> N12
+    S2 -.-> N10
+    S2 --> N13
+    N1 -.-> M0
+    N2 -.-> M0
+    N0 -.-> M0
+    M0 --> N5
+    N7 --> M1
+    N3 -.-> M1
+    N6 -.-> M1
+    N1 -.-> M1
+    M1 -.-> N10
+    N6 --> M2
+    N10 -.-> M2
+    N9 --> M2
+    N5 -.-> M2
+    M2 -.-> N13
+    style S0 fill:#F6F6F6,stroke:#CFCFCF
+    style S1 fill:#F6F6F6,stroke:#CFCFCF
+    style S2 fill:#F1F8E9,stroke:#81C784
+    style M0 fill:#F6F6F6,stroke:#CFCFCF
+    style M1 fill:#D0EFEE,stroke:#73C6BC
+    style M2 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 47 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 48 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 49 stroke:#CFCFCF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_736.txt b/train/mermaid/hard/mermaid_736.txt
new file mode 100644
index 0000000000000000000000000000000000000000..852ac1447178c6a85ae6ba88476ec7f949c13184
--- /dev/null
+++ b/train/mermaid/hard/mermaid_736.txt
@@ -0,0 +1,46 @@
+<Access Control Systems, connectedTo, Maintenance of Systems>
+<Access Control Systems, connectedTo, Off_Street Parking Management>
+<Access Control Systems, connectedTo, Real_Time Information Display>
+<Automated Parking Garages, connectedTo, Customer Support>
+<Automated Parking Garages, connectedTo, Parking Guidance Systems>
+<Automated Parking Garages, connectedTo, Reservations System>
+<Automated Parking Garages, connectedTo, User Experience Design for Apps>
+<Automated Parking Garages, connectedTo, end>
+<Automated Parking Garages, controls, Off_Street Parking Management>
+<Billing and Reconciliation, connectedTo, User Experience Design for Apps>
+<Billing and Reconciliation, partOf, Security Surveillance>
+<Cloud_based Parking Platforms, connectedTo, end>
+<Customer Support, connectedTo, Smart City Integration for Parking>
+<Customer Support, partOf, Security Surveillance>
+<Dynamic Pricing, connectedTo, Maintenance of Systems>
+<Dynamic Pricing, connectedTo, Parking Guidance Systems>
+<Edge Computing for Parking Data, connectedTo, Enforcement and Fines Management>
+<Edge Computing for Parking Data, partOf, Vacancy Monitoring>
+<Electric Vehicle Charging Integration, connectedTo, On_Street Parking Management>
+<Electric Vehicle Charging Integration, partOf, Vacancy Monitoring>
+<Enforcement and Fines Management, connectedTo, Reservations System>
+<Enforcement and Fines Management, partOf, Vacancy Monitoring>
+<Event Parking Management, connectedTo, Access Control Systems>
+<Event Parking Management, connectedTo, Maintenance of Systems>
+<Integration with Navigation Apps, connectedTo, Automated Parking Garages>
+<Integration with Navigation Apps, connectedTo, Electric Vehicle Charging Integration>
+<IoT Sensors for Parking, connectedTo, Ticketing System Integration>
+<Maintenance of Systems, connectedTo, Cloud_based Parking Platforms>
+<Maintenance of Systems, connectedTo, Permit Management>
+<Off_Street Parking Management, connectedTo, Cloud_based Parking Platforms>
+<On_Street Parking Management, connectedTo, Edge Computing for Parking Data>
+<On_Street Parking Management, partOf, Vacancy Monitoring>
+<Parking Guidance Systems, connectedTo, Maintenance of Systems>
+<Permit Management, connectedTo, Off_Street Parking Management>
+<Real_Time Information Display, connectedTo, Integration with Navigation Apps>
+<Reservations System, connectedTo, IoT Sensors for Parking>
+<Smart City Integration for Parking, connectedTo, Billing and Reconciliation>
+<Smart City Integration for Parking, partOf, Security Surveillance>
+<Space Detection, connectedTo, Event Parking Management>
+<Space Detection, connectedTo, Off_Street Parking Management>
+<Ticketing System Integration, connectedTo, Cloud_based Parking Platforms>
+<Ticketing System Integration, connectedTo, User Experience Design for Apps>
+<User Experience Design for Apps, connectedTo, Dynamic Pricing>
+<User Experience Design for Apps, connectedTo, Off_Street Parking Management>
+<User Experience Design for Apps, connectedTo, end>
+<User Experience Design for Apps, filters, Cloud_based Parking Platforms>
diff --git a/train/mermaid/hard/mermaid_737.txt b/train/mermaid/hard/mermaid_737.txt
new file mode 100644
index 0000000000000000000000000000000000000000..738a5a439fd96bed717a2ce52201e5ee982b8750
--- /dev/null
+++ b/train/mermaid/hard/mermaid_737.txt
@@ -0,0 +1,45 @@
+<API Integration for Partners, connectedTo, Mobile Ticketing>
+<API Integration for Partners, connectedTo, Resale Market Integration>
+<API Integration for Partners, connectedTo, Seat Mapping>
+<Agent Network Management, connectedTo, Fan Loyalty Programs>
+<Agent Network Management, connectedTo, Queue Management>
+<Agent Network Management, connectedTo, end>
+<Agent Network Management, refunds, Ticket Sales>
+<Airline Ticketing, connectedTo, Concert Ticketing>
+<Airline Ticketing, connectedTo, Festival Ticketing>
+<Airline Ticketing, connectedTo, Promotional Code Management>
+<Airline Ticketing, connectedTo, Theater Ticketing>
+<Audience Segmentation, connectedTo, Promotional Code Management>
+<Biometric Ticketing, connectedTo, Order Confirmation>
+<Concert Ticketing, connectedTo, Audience Segmentation>
+<Concert Ticketing, connectedTo, Promotional Code Management>
+<Customer Relationship Management Integration, connectedTo, Group Booking Management>
+<Customer Relationship Management Integration, partOf, Blockchain Ticketing for Authenticity>
+<Event Creation, connectedTo, Airline Ticketing>
+<Event Creation, connectedTo, Mobile Ticketing>
+<Event Creation, connectedTo, Promotional Code Management>
+<Event Creation, connectedTo, Theater Ticketing>
+<Fan Loyalty Programs, connectedTo, Waiting List Management>
+<Festival Ticketing, partOf, Museum Ticketing>
+<Festival Ticketing, payments, Personalized Ticket Offers>
+<Group Booking Management, connectedTo, Waiting List Management>
+<Group Booking Management, partOf, Blockchain Ticketing for Authenticity>
+<Mobile Ticketing, connectedTo, Agent Network Management>
+<Order Confirmation, connectedTo, API Integration for Partners>
+<Personalized Ticket Offers, connectedTo, Audience Segmentation>
+<Personalized Ticket Offers, partOf, Museum Ticketing>
+<Pricing Configuration, connectedTo, Theater Ticketing>
+<Promotional Code Management, connectedTo, Biometric Ticketing>
+<Queue Management, connectedTo, Ticket Sales>
+<Resale Market Integration, connectedTo, Mobile Ticketing>
+<Resale Market Integration, connectedTo, Ticket Delivery>
+<Scalper Prevention, connectedTo, Fan Loyalty Programs>
+<Seat Mapping, connectedTo, Customer Relationship Management Integration>
+<Seat Mapping, partOf, Blockchain Ticketing for Authenticity>
+<Theater Ticketing, connectedTo, Agent Network Management>
+<Theater Ticketing, connectedTo, Mobile Ticketing>
+<Theater Ticketing, connectedTo, Ticket Sales>
+<Theater Ticketing, connectedTo, end>
+<Ticket Delivery, connectedTo, Pricing Configuration>
+<Ticket Sales, connectedTo, Scalper Prevention>
+<Waiting List Management, connectedTo, end>
diff --git a/train/mermaid/hard/mermaid_739.mmd b/train/mermaid/hard/mermaid_739.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5bc7357eba124ab5c85a4aefc2e9fdb6c8e7913
--- /dev/null
+++ b/train/mermaid/hard/mermaid_739.mmd
@@ -0,0 +1,120 @@
+graph RL
+    N0([start])
+    N1[/Order Confirmation/]
+    N2[(Resale Market Integration)]
+    N3(Access Control)
+    N4[/Post_Event Feedback Collection/]
+    N5(Group Booking Management)
+    N6([API Integration for Partners])
+    N7(Venue Capacity Management)
+    N8(Event Creation)
+    N9{Theme Park Ticketing}
+    N10([Queue Management])
+    N11[Customer Relationship Management Integration]
+    N12([Fraud Prevention])
+    N13(Pricing Configuration)
+    N14[Box Office Management]
+    N15[(Ticket Delivery)]
+    N16(Museum Ticketing)
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Event Promotion Tools
+        nest0_0[(Theater Ticketing)]
+        nest0_1[Waiting List Management]
+    end
+    subgraph Blockchain Ticketing for Authenticity
+        nest1_0([Fan Loyalty Programs])
+        nest1_1[Seat Mapping]
+    end
+    N0 --> |no| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    N16 -.-> N17
+    nest0_0 -.-> |no| nest0_1
+    N1 --> nest0_0
+    nest0_1 --> N10
+    nest1_0 --> nest1_1
+    N11 --> nest1_0
+    nest1_1 -.-> N13
+    N1 -.-> S0
+    S0 -.-> N10
+    S0 --> N7
+    S0 --> N14
+    N5 -.-> S1
+    S1 -.-> N12
+    S1 -.-> N16
+    S1 --> N11
+    N12 --> M0
+    N13 -.-> M0
+    M0 --> N16
+    N10 -.-> M1
+    N11 --> M1
+    N1 -.-> M1
+    M1 --> N15
+    N7 -.-> M2
+    N9 --> M2
+    M2 -.-> N12
+    style S0 fill:#DDCEDD,stroke:#AF56A6
+    style S1 fill:#DDCEDD,stroke:#AF56A6
+    style M0 fill:#DDCEDD,stroke:#AF56A6
+    style M1 fill:#F3E5F5,stroke:#AB47BC
+    style M2 fill:#F3E5F5,stroke:#AB47BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_739.png b/train/mermaid/hard/mermaid_739.png
new file mode 100644
index 0000000000000000000000000000000000000000..9ef95914e7dafeabefb2affdfd846db850b742c4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_739.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:37eb8dc76ccdc5fdb6b4256ce6afbd9f59f5418026bc53c17570b83e58d6d111
+size 211170
diff --git a/train/mermaid/hard/mermaid_74.mmd b/train/mermaid/hard/mermaid_74.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7d5adbabe392b0a4cc8831e96ee6e70c300e886d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_74.mmd
@@ -0,0 +1,110 @@
+graph TD
+    N0([start])
+    N1[Service Activation Request]
+    N2[[Device Setup]]
+    N3[(Technical Support Escalation)]
+    N4{Call Recording}
+    N5([VoIP Service])
+    N6{Payment Received}
+    N7[Number Porting]
+    N8[[Video Conferencing]]
+    N9{Base Station Installation}
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Mobile Top_up
+        nest0_0[(Network Security Monitoring)]
+        nest0_1[[Contract Termination]]
+        nest0_2([Plan Suspension])
+        nest0_3(Bill Generation)
+    end
+    subgraph Spectrum Management
+        nest1_0[(Billing Inquiry)]
+        nest1_1(Roaming Activation)
+    end
+    N0 -.-> |monitors| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |analyzes| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N2 -.-> nest0_0
+    nest0_3 --> N6
+    nest1_0 --> nest1_1
+    N2 -.-> |routes| nest1_0
+    nest1_1 --> N5
+    N4 -.-> S0
+    S0 -.-> N9
+    S0 -.-> N6
+    S0 -.-> N8
+    N2 --> S1
+    S1 -.-> N7
+    S1 -.-> N9
+    N2 --> |suspends| M1
+    N0 -.-> M1
+    N3 -.-> M1
+    M1 -.-> N9
+    N1 --> M2
+    N2 --> |supports| M2
+    N0 --> M2
+    M2 -.-> N5
+    style N0 fill:#C8E6C9,stroke:#388E3C
+    style N1 fill:#C8E6C9,stroke:#388E3C
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#E0F2F1,stroke:#26A69A
+    style N4 fill:#C8E6C9,stroke:#388E3C
+    style N5 fill:#E0F2F1,stroke:#26A69A
+    style N6 fill:#F9FBE7,stroke:#DCE775
+    style N7 fill:#E0F2F1,stroke:#26A69A
+    style N8 fill:#E0F2F1,stroke:#26A69A
+    style N9 fill:#C8E6C9,stroke:#388E3C
+    style S0 fill:#E0F2F1,stroke:#26A69A
+    style S1 fill:#C8E6C9,stroke:#388E3C
+    style M1 fill:#F9FBE7,stroke:#DCE775
+    style M2 fill:#E0F2F1,stroke:#26A69A
+    style nest0_0 fill:#E0F2F1,stroke:#26A69A
+    style nest0_1 fill:#C8E6C9,stroke:#388E3C
+    style nest0_2 fill:#F9FBE7,stroke:#DCE775
+    style nest0_3 fill:#F9FBE7,stroke:#DCE775
+    style nest1_0 fill:#E0F2F1,stroke:#26A69A
+    style nest1_1 fill:#E0F2F1,stroke:#26A69A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_740.txt b/train/mermaid/hard/mermaid_740.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d7e6dc12f76876ceca81a5695fc8c458c34c5aa8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_740.txt
@@ -0,0 +1,44 @@
+<API Integration for Partners, connectedTo, Biometric Ticketing>
+<API Integration for Partners, partOf, Public Transport Ticketing>
+<Analytics on Sales Data, connectedTo, Waiting List Management>
+<Analytics on Sales Data, partOf, Dynamic Pricing>
+<Biometric Ticketing, connectedTo, Fan Loyalty Programs>
+<Biometric Ticketing, partOf, Public Transport Ticketing>
+<Box Office Management, connectedTo, Group Booking Management>
+<Box Office Management, partOf, Dynamic Pricing>
+<Concert Ticketing, connectedTo, Box Office Management>
+<Concert Ticketing, connectedTo, Customer Relationship Management Integration>
+<Customer Relationship Management Integration, connectedTo, Fraud Prevention>
+<Customer Relationship Management Integration, connectedTo, Refund Management>
+<Event Promotion Tools, connectedTo, Agent Network Management>
+<Event Promotion Tools, connectedTo, Fraud Prevention>
+<Event Promotion Tools, connectedTo, Promotional Code Management>
+<Event Promotion Tools, connectedTo, Waiting List Management>
+<Fan Loyalty Programs, connectedTo, Concert Ticketing>
+<Fan Loyalty Programs, partOf, Public Transport Ticketing>
+<Festival Ticketing, connectedTo, Agent Network Management>
+<Festival Ticketing, connectedTo, Event Promotion Tools>
+<Festival Ticketing, connectedTo, Promotional Code Management>
+<Festival Ticketing, discounts, Concert Ticketing>
+<Fraud Prevention, connectedTo, Theater Ticketing>
+<Fraud Prevention, connectedTo, Waiting List Management>
+<Group Booking Management, connectedTo, Payment Processing>
+<Group Booking Management, partOf, Dynamic Pricing>
+<Payment Processing, connectedTo, Analytics on Sales Data>
+<Payment Processing, partOf, Dynamic Pricing>
+<Promotional Code Management, connectedTo, Fraud Prevention>
+<Refund Management, connectedTo, Agent Network Management>
+<Refund Management, connectedTo, Event Promotion Tools>
+<Refund Management, connectedTo, Fraud Prevention>
+<Refund Management, connectedTo, Promotional Code Management>
+<Refund Management, connectedTo, Waiting List Management>
+<Theater Ticketing, connectedTo, API Integration for Partners>
+<Theater Ticketing, partOf, Public Transport Ticketing>
+<Venue Capacity Management, connectedTo, Concert Ticketing>
+<Venue Capacity Management, connectedTo, Festival Ticketing>
+<Venue Capacity Management, connectedTo, Refund Management>
+<Waiting List Management, connectedTo, Agent Network Management>
+<start, connectedTo, Concert Ticketing>
+<start, connectedTo, Fraud Prevention>
+<start, connectedTo, Refund Management>
+<start, connectedTo, Venue Capacity Management>
diff --git a/train/mermaid/hard/mermaid_742.txt b/train/mermaid/hard/mermaid_742.txt
new file mode 100644
index 0000000000000000000000000000000000000000..192f72131fffc148163d61895647d16674e8e127
--- /dev/null
+++ b/train/mermaid/hard/mermaid_742.txt
@@ -0,0 +1,33 @@
+<Access Control, connectedTo, Museum Ticketing>
+<Access Control, partOf, Airline Ticketing>
+<Agent Network Management, connectedTo, Access Control>
+<Agent Network Management, partOf, Airline Ticketing>
+<Analytics on Sales Data, connectedTo, Fraud Prevention>
+<Analytics on Sales Data, connectedTo, Waiting List Management>
+<Audience Segmentation, connectedTo, Ticket Delivery>
+<Biometric Ticketing, connectedTo, Analytics on Sales Data>
+<Biometric Ticketing, connectedTo, Waiting List Management>
+<Blockchain Ticketing for Authenticity, connectedTo, Customer Relationship Management Integration>
+<Blockchain Ticketing for Authenticity, partOf, Scalper Prevention>
+<Customer Relationship Management Integration, integrates, Festival Ticketing>
+<Customer Relationship Management Integration, partOf, Scalper Prevention>
+<Fan Loyalty Programs, connectedTo, Audience Segmentation>
+<Fan Loyalty Programs, connectedTo, Event Promotion Tools>
+<Fan Loyalty Programs, connectedTo, Ticket Sales>
+<Fan Loyalty Programs, discounts, Payment Processing>
+<Festival Ticketing, connectedTo, Audience Segmentation>
+<Festival Ticketing, partOf, Scalper Prevention>
+<Fraud Prevention, connectedTo, Personalized Ticket Offers>
+<Museum Ticketing, connectedTo, Personalized Ticket Offers>
+<Museum Ticketing, partOf, Airline Ticketing>
+<Payment Processing, connectedTo, Waiting List Management>
+<Personalized Ticket Offers, connectedTo, Agent Network Management>
+<Personalized Ticket Offers, connectedTo, Fan Loyalty Programs>
+<Public Transport Ticketing, connectedTo, Audience Segmentation>
+<Ticket Delivery, connectedTo, Blockchain Ticketing for Authenticity>
+<Ticket Delivery, connectedTo, Event Promotion Tools>
+<Ticket Sales, connectedTo, Public Transport Ticketing>
+<Waiting List Management, connectedTo, Ticket Sales>
+<start, connectedTo, Biometric Ticketing>
+<start, connectedTo, Event Promotion Tools>
+<start, connectedTo, Waiting List Management>
diff --git a/train/mermaid/hard/mermaid_744.png b/train/mermaid/hard/mermaid_744.png
new file mode 100644
index 0000000000000000000000000000000000000000..a2c9c6fa034a224c3ce1281296a0915eede23397
--- /dev/null
+++ b/train/mermaid/hard/mermaid_744.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:350fad9217948e5548a319877a093d43bfc1320e233adce4bb43443645455d8e
+size 494445
diff --git a/train/mermaid/hard/mermaid_760.txt b/train/mermaid/hard/mermaid_760.txt
new file mode 100644
index 0000000000000000000000000000000000000000..baad1371f94a6645066654e6fa9f51da92b91fdf
--- /dev/null
+++ b/train/mermaid/hard/mermaid_760.txt
@@ -0,0 +1,28 @@
+<Budgetary Implications, connectedTo, Forecasting and Scenario Planning>
+<Communication Strategy, connectedTo, Criteria Establishment>
+<Communication Strategy, connectedTo, Recommendation Formulation>
+<Comparative Policy Analysis, connectedTo, Recommendation Formulation>
+<Criteria Establishment, connectedTo, Comparative Policy Analysis>
+<Criteria Establishment, connectedTo, Recommendation Formulation>
+<Forecasting and Scenario Planning, connectedTo, Interagency Coordination>
+<Forecasting and Scenario Planning, connectedTo, Presentation Skills>
+<Implementation Plan Development, connectedTo, Monitoring and Evaluation Framework>
+<Implementation Plan Development, partOf, Program Design>
+<Interagency Coordination, connectedTo, Policy Learning>
+<Interagency Coordination, partOf, Program Design>
+<Monitoring and Evaluation Framework, connectedTo, Communication Strategy>
+<Monitoring and Evaluation Framework, connectedTo, Option Generation>
+<Monitoring and Evaluation Framework, connectedTo, Recommendation Formulation>
+<Option Generation, connectedTo, Political Feasibility Assessment>
+<Option Generation, partOf, Public Consultation Process>
+<Policy Advocacy and Lobbying, connectedTo, Monitoring and Evaluation Framework>
+<Policy Advocacy and Lobbying, connectedTo, Recommendation Formulation>
+<Policy Learning, connectedTo, Quantitative Analysis>
+<Policy Learning, partOf, Program Design>
+<Political Feasibility Assessment, connectedTo, Recommendation Formulation>
+<Political Feasibility Assessment, partOf, Public Consultation Process>
+<Quantitative Analysis, connectedTo, Implementation Plan Development>
+<Quantitative Analysis, partOf, Program Design>
+<Recommendation Formulation, connectedTo, Budgetary Implications>
+<Recommendation Formulation, connectedTo, Forecasting and Scenario Planning>
+<Recommendation Formulation, connectedTo, Presentation Skills>
diff --git a/train/mermaid/hard/mermaid_763.txt b/train/mermaid/hard/mermaid_763.txt
new file mode 100644
index 0000000000000000000000000000000000000000..68a8cc9aa27fb14c562d1f5bb665f0cd2e452ab6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_763.txt
@@ -0,0 +1,40 @@
+<Academic Mentorship, connectedTo, Research Ethics Application>
+<Citation Management, connectedTo, Hypothesis Formulation>
+<Data Collection, connectedTo, Theory Development>
+<Data Management Plan, connectedTo, Model Building>
+<Data Visualization for Research, connectedTo, Research Impact Assessment>
+<Data Visualization for Research, connectedTo, Software for Statistical Analysis>
+<Data Visualization for Research, connectedTo, Thesis or Dissertation Writing>
+<Experiment Design, connectedTo, Sampling Techniques>
+<Intellectual Property in Research, connectedTo, Plagiarism Detection>
+<Intellectual Property in Research, partOf, Survey Design>
+<Literature Review, connectedTo, Data Collection>
+<Literature Review, connectedTo, Intellectual Property in Research>
+<Model Building, connectedTo, Data Visualization for Research>
+<Model Building, connectedTo, Research Ethics Application>
+<Model Building, connectedTo, Research Impact Assessment>
+<Model Building, connectedTo, Variable Identification>
+<Peer Review Process, connectedTo, Data Management Plan>
+<Plagiarism Detection, connectedTo, Variable Identification>
+<Plagiarism Detection, partOf, Survey Design>
+<Power Analysis, connectedTo, Experiment Design>
+<Public Engagement with Research, investigates, Citation Management>
+<Qualitative Analysis, connectedTo, Variable Identification>
+<Research Ethics Application, applies, Research Impact Assessment>
+<Research Ethics Application, connectedTo, Research Question Refinement>
+<Research Impact Assessment, connectedTo, Power Analysis>
+<Research Question Refinement, connectedTo, Systematic Review>
+<Sampling Techniques, connectedTo, Literature Review>
+<Software for Statistical Analysis, connectedTo, Qualitative Analysis>
+<Software for Statistical Analysis, connectedTo, Research Impact Assessment>
+<Statistical Analysis, connectedTo, Qualitative Analysis>
+<Statistical Analysis, partOf, Journal Publication>
+<Systematic Review, connectedTo, Hypothesis Formulation>
+<Systematic Review, connectedTo, Public Engagement with Research>
+<Systematic Review, connectedTo, Research Impact Assessment>
+<Systematic Review, connectedTo, Sampling Techniques>
+<Theory Development, disseminates, Public Engagement with Research>
+<Thesis or Dissertation Writing, connectedTo, Statistical Analysis>
+<Thesis or Dissertation Writing, partOf, Journal Publication>
+<Variable Identification, connectedTo, Research Impact Assessment>
+<Variable Identification, grants, Academic Mentorship>
diff --git a/train/mermaid/hard/mermaid_766.mmd b/train/mermaid/hard/mermaid_766.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e11783aa282cd8275976881d07cf5bca456cd7f3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_766.mmd
@@ -0,0 +1,150 @@
+graph LR
+    N0([start])
+    N1(Literature Review)
+    N2[/Manuscript Writing/]
+    N3[(Academic Mentorship)]
+    N4[/Variable Identification/]
+    N5[[Thesis or Dissertation Writing]]
+    N6(Presentation at Conferences)
+    N7[(Data Collection)]
+    N8[/Qualitative Analysis/]
+    N9(Research Ethics Application)
+    N10[(Data Visualization for Research)]
+    N11[/Open Science Practices/]
+    N12[[Grant Proposal Writing]]
+    N13([Intellectual Property in Research])
+    N14{Public Engagement with Research}
+    N15[Systematic Review]
+    N16[(Survey Design)]
+    N17([Plagiarism Detection])
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Peer Review Process
+        nest0_0{Data Management Plan}
+        nest0_1([Bias Mitigation])
+        nest0_2[Research Collaboration]
+    end
+    subgraph Software for Statistical Analysis
+        nest1_0[(Theory Development)]
+        nest1_1(Poster Session Preparation)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> |educates| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |innovates| N8
+    N8 -.-> N9
+    N9 -.-> |funds| N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    N16 --> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N4 --> nest0_0
+    nest0_2 -.-> N9
+    nest1_0 --> nest1_1
+    N10 --> nest1_0
+    nest1_1 -.-> N12
+    N11 -.-> S0
+    S0 --> N14
+    S0 --> N16
+    N9 --> S2
+    S2 -.-> N15
+    S2 --> N13
+    S2 --> N17
+    N0 -.-> M0
+    N2 --> M0
+    N1 -.-> M0
+    N3 --> M0
+    M0 -.-> N5
+    N1 --> M1
+    N3 -.-> M1
+    M1 -.-> N10
+    N9 -.-> M2
+    N11 -.-> M2
+    N7 -.-> M2
+    N10 -.-> M2
+    M2 -.-> N14
+    style N0 fill:#ECF0FD,stroke:#B8C0F5
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#F3E5F5,stroke:#BA68C8
+    style N3 fill:#F3E5F5,stroke:#BA68C8
+    style N4 fill:#ECF0FD,stroke:#B8C0F5
+    style N5 fill:#F3E5F5,stroke:#BA68C8
+    style N6 fill:#F3E5F5,stroke:#BA68C8
+    style N7 fill:#F3E5F5,stroke:#BA68C8
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#ECF0FD,stroke:#B8C0F5
+    style N10 fill:#F3E5F5,stroke:#BA68C8
+    style N11 fill:#F3E5F5,stroke:#BA68C8
+    style N12 fill:#F3E5F5,stroke:#BA68C8
+    style N13 fill:#F9FBE7,stroke:#C0CA33
+    style N14 fill:#ECF0FD,stroke:#B8C0F5
+    style N15 fill:#ECF0FD,stroke:#B8C0F5
+    style N16 fill:#ECF0FD,stroke:#B8C0F5
+    style N17 fill:#F9FBE7,stroke:#C0CA33
+    style S0 fill:#F3E5F5,stroke:#BA68C8
+    style S2 fill:#F3E5F5,stroke:#BA68C8
+    style M0 fill:#F3E5F5,stroke:#BA68C8
+    style M1 fill:#ECF0FD,stroke:#B8C0F5
+    style M2 fill:#F3E5F5,stroke:#BA68C8
+    style nest0_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_1 fill:#F3E5F5,stroke:#BA68C8
+    style nest0_2 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest1_1 fill:#F3E5F5,stroke:#BA68C8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_766.png b/train/mermaid/hard/mermaid_766.png
new file mode 100644
index 0000000000000000000000000000000000000000..119d1420ec9e1dae508ff233e68018e384afea3d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_766.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:75d34f293a6c043c2e77644ae6e5c957fde3e7389bc4bfbe200579a4e3b6911e
+size 232255
diff --git a/train/mermaid/hard/mermaid_768.mmd b/train/mermaid/hard/mermaid_768.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a62834fbe54ca221bc4e690907c0443fa32a170c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_768.mmd
@@ -0,0 +1,107 @@
+graph RL
+    N0([start])
+    N1[Plagiarism Detection]
+    N2[Research Question Refinement]
+    N3[(Reproducibility Studies)]
+    N4([Data Collection])
+    N5(Hypothesis Formulation)
+    N6{Survey Design}
+    N7[Methodology Selection]
+    N8[Public Engagement with Research]
+    N9(Intellectual Property in Research)
+    N10[Bias Mitigation]
+    N11[[Manuscript Writing]]
+    N12[[Data Visualization for Research]]
+    N13(Variable Identification)
+    N14([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    subgraph Funding Agency Reporting
+        nest0_0(Research Design)
+        nest0_1[/Research Ethics Application/]
+        nest0_2[Power Analysis]
+        nest0_3(Systematic Review)
+    end
+    subgraph Poster Session Preparation
+        nest1_0(Citation Management)
+        nest1_1[[Open Science Practices]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N4 -.-> nest0_0
+    nest0_3 --> |no| N13
+    nest1_0 --> nest1_1
+    N1 -.-> nest1_0
+    nest1_1 --> N11
+    N1 -.-> S0
+    S0 --> N12
+    S0 --> N5
+    S0 -.-> N4
+    N0 --> S1
+    S1 -.-> N9
+    S1 --> N13
+    N6 -.-> S2
+    S2 -.-> N11
+    S2 --> N14
+    S2 -.-> N8
+    N1 --> |no| M1
+    N0 --> M1
+    M1 -.-> N6
+    style S0 fill:#D0EFEE,stroke:#73C6BC
+    style S1 fill:#F5F5F5,stroke:#BDBDBD
+    style S2 fill:#F5F5F5,stroke:#BDBDBD
+    style M1 fill:#D0EFEE,stroke:#73C6BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#42A5F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_77.png b/train/mermaid/hard/mermaid_77.png
new file mode 100644
index 0000000000000000000000000000000000000000..00ea4fb2940878d91193e5fe82bdc8bdcdb869c3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_77.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:541416c0ee49cc7cd3764a8a1451ec22814ce7fd1243b0f90b9c4debb9839ec6
+size 450693
diff --git a/train/mermaid/hard/mermaid_770.mmd b/train/mermaid/hard/mermaid_770.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..799a85a35bcfe84889338c818e2256da9c8550f1
--- /dev/null
+++ b/train/mermaid/hard/mermaid_770.mmd
@@ -0,0 +1,154 @@
+graph TD
+    N0([Resource Sharing Networks])
+    N1[[User Account Management]]
+    N2(Preservation of Materials)
+    N3([Technical Support for Systems])
+    N4[System Upgrades]
+    N5[/Library Website Management/]
+    N6([Collection Development])
+    N7(Mobile App for Library)
+    N8[Library Management Systems]
+    N9[[Federated Search]]
+    N10([Archival Integration])
+    N11{Discovery Layers}
+    N12[Circulation Management]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Linked Data for Libraries
+        nest0_0(Personalized Recommendations)
+        nest0_1[Patron Services]
+        nest0_2[Database Management]
+        nest0_3[(Open Access Repository Management)]
+    end
+    subgraph AI in Library Services
+        nest1_0(RFID System Implementation)
+        nest1_1[Reference Desk Support]
+        nest1_2([Automated Materials Handling])
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> |maintains| nest0_3
+    N4 --> nest0_0
+    nest0_3 -.-> N9
+    nest1_0 --> nest1_1
+    nest1_1 -.-> |preserves| nest1_2
+    N10 -.-> nest1_0
+    nest1_2 --> N9
+    N2 --> S0
+    S0 -.-> N12
+    S0 -.-> |migrates| N5
+    S0 -.-> N10
+    N3 --> S1
+    S1 -.-> N12
+    S1 --> N7
+    N1 -.-> S2
+    S2 -.-> N9
+    S2 --> N10
+    S2 --> |assists| N8
+    S2 --> N4
+    N4 --> |processes| M0
+    N6 --> |borrows| M0
+    N5 --> M0
+    N8 --> M0
+    M0 -.-> N12
+    N0 --> M1
+    N2 -.-> M1
+    N7 -.-> M1
+    N6 --> M1
+    M1 -.-> N9
+    N3 -.-> M2
+    N0 --> M2
+    N4 -.-> M2
+    N5 --> M2
+    M2 --> N8
+    style N0 fill:#EDE7F6,stroke:#9575CD
+    style N1 fill:#FFCCBC,stroke:#FF5722
+    style N2 fill:#FFF6D9,stroke:#FFCC7A
+    style N3 fill:#FFF6D9,stroke:#FFCC7A
+    style N4 fill:#FFF6D9,stroke:#FFCC7A
+    style N5 fill:#FFCCBC,stroke:#FF5722
+    style N6 fill:#FFF6D9,stroke:#FFCC7A
+    style N7 fill:#FFCCBC,stroke:#FF5722
+    style N8 fill:#FFF6D9,stroke:#FFCC7A
+    style N9 fill:#EDE7F6,stroke:#9575CD
+    style N10 fill:#FFF6D9,stroke:#FFCC7A
+    style N11 fill:#EDE7F6,stroke:#9575CD
+    style N12 fill:#FFF6D9,stroke:#FFCC7A
+    style S0 fill:#FFCCBC,stroke:#FF5722
+    style S1 fill:#FFCCBC,stroke:#FF5722
+    style S2 fill:#FFF6D9,stroke:#FFCC7A
+    style M0 fill:#EDE7F6,stroke:#9575CD
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    style M2 fill:#FFCCBC,stroke:#FF5722
+    style nest0_0 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_1 fill:#EDE7F6,stroke:#9575CD
+    style nest0_2 fill:#FFCCBC,stroke:#FF5722
+    style nest0_3 fill:#FFF6D9,stroke:#FFCC7A
+    style nest1_0 fill:#FFF6D9,stroke:#FFCC7A
+    style nest1_1 fill:#FFF6D9,stroke:#FFCC7A
+    style nest1_2 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 47 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_771.png b/train/mermaid/hard/mermaid_771.png
new file mode 100644
index 0000000000000000000000000000000000000000..53a59249cb7da411b9cc16a22d089020e74fb539
--- /dev/null
+++ b/train/mermaid/hard/mermaid_771.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:27894468f03e018bcbe3bcbbf6994f36a1513a9ef0534f5ac7661f53c8c82262
+size 182786
diff --git a/train/mermaid/hard/mermaid_773.mmd b/train/mermaid/hard/mermaid_773.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..09000624b94f0123b77dfd89628151623fcaca16
--- /dev/null
+++ b/train/mermaid/hard/mermaid_773.mmd
@@ -0,0 +1,132 @@
+graph RL
+    N0([Digital Resource Management])
+    N1[(User Account Management)]
+    N2[[Integrated Library Systems]]
+    N3[Database Management]
+    N4[(Data Migration)]
+    N5([Open Access Repository Management])
+    N6[Patron Services]
+    N7[[Library Website Management]]
+    N8([System Upgrades])
+    N9([Federated Search])
+    N10[(Electronic Resource Management)]
+    N11[(Linked Data for Libraries)]
+    N12(RFID System Implementation)
+    N13[/Preservation of Materials/]
+    N14[Personalized Recommendations]
+    N15[/System Security/]
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Acquisitions
+        nest0_0[[Technical Support for Systems]]
+        nest0_1(Discovery Layers)
+        nest0_2[Search Functionality]
+    end
+    subgraph User Training on Systems
+        nest1_0[/Self_Checkout Kiosks/]
+        nest1_1[Metadata Creation]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N2 --> nest0_0
+    nest0_2 -.-> N14
+    nest1_0 --> nest1_1
+    N7 -.-> |manages| nest1_0
+    nest1_1 -.-> N1
+    N5 -.-> S0
+    S0 -.-> N14
+    S0 --> N12
+    S0 --> N13
+    N4 -.-> S1
+    S1 --> N14
+    S1 -.-> N9
+    N1 --> M0
+    N0 --> M0
+    M0 -.-> N3
+    N2 -.-> M1
+    N0 --> M1
+    N1 -.-> M1
+    M1 --> N4
+    style N0 fill:#F1F8FF,stroke:#42A5F5
+    style N1 fill:#F1F8FF,stroke:#42A5F5
+    style N2 fill:#E8EAF6,stroke:#7986CB
+    style N3 fill:#C9EFEC,stroke:#6FE1D5
+    style N4 fill:#E8EAF6,stroke:#7986CB
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#C9EFEC,stroke:#6FE1D5
+    style N7 fill:#C9EFEC,stroke:#6FE1D5
+    style N8 fill:#E8EAF6,stroke:#7986CB
+    style N9 fill:#E8EAF6,stroke:#7986CB
+    style N10 fill:#E8EAF6,stroke:#7986CB
+    style N11 fill:#F1F8FF,stroke:#42A5F5
+    style N12 fill:#E8EAF6,stroke:#7986CB
+    style N13 fill:#E8EAF6,stroke:#7986CB
+    style N14 fill:#E8EAF6,stroke:#7986CB
+    style N15 fill:#F1F8FF,stroke:#42A5F5
+    style N16 fill:#E8EAF6,stroke:#7986CB
+    style S0 fill:#C9EFEC,stroke:#6FE1D5
+    style S1 fill:#C9EFEC,stroke:#6FE1D5
+    style M0 fill:#C9EFEC,stroke:#6FE1D5
+    style M1 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_0 fill:#E8EAF6,stroke:#7986CB
+    style nest0_1 fill:#E8EAF6,stroke:#7986CB
+    style nest0_2 fill:#E8EAF6,stroke:#7986CB
+    style nest1_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_1 fill:#E8EAF6,stroke:#7986CB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_774.mmd b/train/mermaid/hard/mermaid_774.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dca0bc81626c53d8c300d4ceb8e45c690bf057c0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_774.mmd
@@ -0,0 +1,130 @@
+graph TD
+    N0([Resource Sharing Networks])
+    N1(Library Website Management)
+    N2[[Archival Integration]]
+    N3[Reporting and Analytics]
+    N4[/Library Management Systems/]
+    N5(Federated Search)
+    N6[RFID System Implementation]
+    N7{System Security}
+    N8([Database Management])
+    N9[(Interlibrary Loan)]
+    N10{Personalized Recommendations}
+    N11{Online Public Access Catalog}
+    N12[[Data Migration]]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Collection Development
+        nest0_0(Automated Materials Handling)
+        nest0_1[/Mobile App for Library/]
+    end
+    subgraph Integrated Library Systems
+        nest1_0(Digital Resource Management)
+        nest1_1[Acquisitions]
+        nest1_2(Discovery Layers)
+        nest1_3(User Training on Systems)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |weeds| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    nest0_0 -.-> nest0_1
+    N1 --> nest0_0
+    nest0_1 -.-> N11
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N6 -.-> nest1_0
+    nest1_3 -.-> N1
+    N5 -.-> S0
+    S0 --> N11
+    S0 --> N9
+    S0 --> N12
+    N5 -.-> S1
+    S1 --> |plans| N11
+    S1 -.-> N7
+    S1 --> N8
+    N3 --> S2
+    S2 --> |retrieves| N12
+    S2 --> N11
+    S2 -.-> N9
+    N1 -.-> M0
+    N0 --> M0
+    M0 -.-> N3
+    N2 --> M1
+    N6 -.-> M1
+    M1 -.-> N10
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#EFE6FF,stroke:#C2B2F0
+    style N2 fill:#EFE6FF,stroke:#C2B2F0
+    style N3 fill:#EFE6FF,stroke:#C2B2F0
+    style N4 fill:#FFF3E0,stroke:#FFA726
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#FFF3E0,stroke:#FFA726
+    style N8 fill:#FFF3E0,stroke:#FFA726
+    style N9 fill:#E0E6E9,stroke:#AABEC6
+    style N10 fill:#EFE6FF,stroke:#C2B2F0
+    style N11 fill:#E0E6E9,stroke:#AABEC6
+    style N12 fill:#EFE6FF,stroke:#C2B2F0
+    style S0 fill:#E0E6E9,stroke:#AABEC6
+    style S1 fill:#EFE6FF,stroke:#C2B2F0
+    style S2 fill:#EFE6FF,stroke:#C2B2F0
+    style M0 fill:#EFE6FF,stroke:#C2B2F0
+    style M1 fill:#FFF3E0,stroke:#FFA726
+    style nest0_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_1 fill:#E0E6E9,stroke:#AABEC6
+    style nest1_0 fill:#FFF3E0,stroke:#FFA726
+    style nest1_1 fill:#E0E6E9,stroke:#AABEC6
+    style nest1_2 fill:#FFF3E0,stroke:#FFA726
+    style nest1_3 fill:#E0E6E9,stroke:#AABEC6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_774.png b/train/mermaid/hard/mermaid_774.png
new file mode 100644
index 0000000000000000000000000000000000000000..3aeab25a9c8009d889ac34e9c2fdf3e406b0266e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_774.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:710d3ab83c1b46af29f547dd162806392bc09c66a2f529b351417bb2fcc24d5d
+size 491293
diff --git a/train/mermaid/hard/mermaid_776.txt b/train/mermaid/hard/mermaid_776.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d490240e8e28e5c0f9c15387ee60f1ee9b1f591f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_776.txt
@@ -0,0 +1,39 @@
+<AI in Library Services, connectedTo, Data Migration>
+<AI in Library Services, connectedTo, Personalized Recommendations>
+<Acquisitions, connectedTo, Personalized Recommendations>
+<Circulation Management, connectedTo, Linked Data for Libraries>
+<Circulation Management, partOf, Discovery Layers>
+<Collection Development, connectedTo, Federated Search>
+<Collection Development, connectedTo, Personalized Recommendations>
+<Collection Development, connectedTo, Search Functionality>
+<Data Migration, collaborates, Federated Search>
+<Data Migration, connectedTo, Linked Data for Libraries>
+<Data Migration, connectedTo, Online Public Access Catalog>
+<Data Migration, connectedTo, Personalized Recommendations>
+<Electronic Resource Management, connectedTo, Resource Sharing Networks>
+<Electronic Resource Management, partOf, Authority Control>
+<Federated Search, connectedTo, Acquisitions>
+<Mobile App for Library, connectedTo, User Training on Systems>
+<Online Public Access Catalog, connectedTo, Collection Development>
+<Online Public Access Catalog, connectedTo, Personalized Recommendations>
+<Personalized Recommendations, connectedTo, Linked Data for Libraries>
+<Personalized Recommendations, connectedTo, Mobile App for Library>
+<Personalized Recommendations, connectedTo, System Security>
+<Personalized Recommendations, connectedTo, User Training on Systems>
+<RFID System Implementation, circulates, Personalized Recommendations>
+<RFID System Implementation, connectedTo, AI in Library Services>
+<Reference Desk Support, assists, Personalized Recommendations>
+<Reference Desk Support, connectedTo, AI in Library Services>
+<Reference Desk Support, connectedTo, Personalized Recommendations>
+<Reference Desk Support, connectedTo, Serials Control>
+<Resource Sharing Networks, connectedTo, Federated Search>
+<Resource Sharing Networks, partOf, Authority Control>
+<Search Functionality, connectedTo, Circulation Management>
+<Search Functionality, partOf, Discovery Layers>
+<Serials Control, connectedTo, Personalized Recommendations>
+<Serials Control, connectedTo, RFID System Implementation>
+<System Security, connectedTo, Technical Support for Systems>
+<System Security, partOf, Authority Control>
+<Technical Support for Systems, connectedTo, Electronic Resource Management>
+<Technical Support for Systems, partOf, Authority Control>
+<User Training on Systems, connectedTo, Linked Data for Libraries>
diff --git a/train/mermaid/hard/mermaid_778.mmd b/train/mermaid/hard/mermaid_778.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..abf74f21098f0a39f3f10a41cabb868a5c061294
--- /dev/null
+++ b/train/mermaid/hard/mermaid_778.mmd
@@ -0,0 +1,116 @@
+graph LR
+    N0([start])
+    N1[/Digital Forensics for Archives/]
+    N2(Emulation for Obsolete Formats)
+    N3(Records Management Integration)
+    N4([Grant Writing for Archives])
+    N5[/Database Management/]
+    N6([Outreach and Education])
+    N7[Digitization of Records]
+    N8(Preservation Planning)
+    N9(Intellectual Property Rights Management)
+    N10[/Disaster Preparedness for Archives/]
+    N11{Oral History Collection}
+    N12{Environmental Control}
+    N13{User Interface for Digital Archives}
+    N14[/Security of Holdings/]
+    N15([Records Retention Scheduling])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Collection Management Policy
+        nest0_0[Long_Term Digital Preservation]
+        nest0_1(Public Access Systems)
+    end
+    subgraph Arrangement and Description
+        nest1_0(Records Transfer Processes)
+        nest1_1(Metadata Creation)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |stores| N5
+    N5 --> N6
+    N6 -.-> |audits| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    nest0_0 -.-> nest0_1
+    N10 -.-> nest0_0
+    nest0_1 --> N14
+    nest1_0 --> nest1_1
+    N13 --> nest1_0
+    nest1_1 --> N11
+    N6 --> S0
+    S0 --> N13
+    S0 --> N12
+    N2 -.-> S1
+    S1 --> N14
+    S1 --> |protects| N6
+    S1 -.-> N11
+    N1 -.-> M1
+    N4 --> M1
+    N0 --> M1
+    M1 --> N6
+    style N0 fill:#D0EFEE,stroke:#73C6BC
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#D0E0F8,stroke:#4285F4
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#D0E0F8,stroke:#4285F4
+    style N6 fill:#D0E0F8,stroke:#4285F4
+    style N7 fill:#FFFCE6,stroke:#FFF9AE
+    style N8 fill:#FFFCE6,stroke:#FFF9AE
+    style N9 fill:#FFFCE6,stroke:#FFF9AE
+    style N10 fill:#D0EFEE,stroke:#73C6BC
+    style N11 fill:#FFFCE6,stroke:#FFF9AE
+    style N12 fill:#D0E0F8,stroke:#4285F4
+    style N13 fill:#FFFCE6,stroke:#FFF9AE
+    style N14 fill:#D0E0F8,stroke:#4285F4
+    style N15 fill:#D0EFEE,stroke:#73C6BC
+    style S0 fill:#FFFCE6,stroke:#FFF9AE
+    style S1 fill:#D0E0F8,stroke:#4285F4
+    style M1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest0_0 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_1 fill:#D0E0F8,stroke:#4285F4
+    style nest1_0 fill:#D0EFEE,stroke:#73C6BC
+    style nest1_1 fill:#FFFCE6,stroke:#FFF9AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFF9AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_78.txt b/train/mermaid/hard/mermaid_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fbcbfa090f9b3f19842ff76af7c0e45be81003e0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_78.txt
@@ -0,0 +1,42 @@
+<Bill Generation, connectedTo, Plan Selection>
+<Call Recording, connectedTo, Network Security Monitoring>
+<Contract Termination, yes, Mobile Top_up>
+<Data Usage Logging, connectedTo, Usage Monitoring>
+<Data Usage Logging, partOf, Billing Inquiry>
+<Device Setup, connectedTo, Contract Termination>
+<Fiber Optic Deployment, connectedTo, Fraudulent Call Blocking>
+<Fraudulent Call Blocking, connectedTo, Bill Generation>
+<Fraudulent Call Blocking, connectedTo, Network Activation>
+<IoT Device Connection, connectedTo, Bill Generation>
+<IoT Device Connection, connectedTo, Call Recording>
+<IoT Device Connection, connectedTo, Contract Termination>
+<IoT Device Connection, connectedTo, Plan Suspension>
+<IoT Device Connection, connectedTo, Speed Throttling>
+<IoT Device Connection, connectedTo, Technical Support Escalation>
+<Mobile Top_up, connectedTo, Call Recording>
+<Network Activation, connectedTo, Bill Generation>
+<Network Activation, connectedTo, Call Recording>
+<Network Activation, connectedTo, Plan Suspension>
+<Network Activation, yes, Contract Termination>
+<Network Security Monitoring, connectedTo, end>
+<Outage Detection, connectedTo, Service Complaint>
+<Outage Detection, partOf, Billing Inquiry>
+<Plan Renewal, connectedTo, Fraudulent Call Blocking>
+<Plan Renewal, partOf, Service Level Agreement>
+<Plan Selection, connectedTo, Speed Throttling>
+<Plan Suspension, connectedTo, Mobile Top_up>
+<Plan Suspension, connectedTo, VoIP Service>
+<Plan Suspension, yes, Device Setup>
+<Service Complaint, connectedTo, Data Usage Logging>
+<Service Complaint, partOf, Billing Inquiry>
+<Speed Throttling, connectedTo, Outage Detection>
+<Speed Throttling, connectedTo, Plan Suspension>
+<Technical Support Escalation, connectedTo, Bill Generation>
+<Technical Support Escalation, no, Fiber Optic Deployment>
+<Technical Support Escalation, yes, Mobile Top_up>
+<Usage Monitoring, connectedTo, Technical Support Escalation>
+<Usage Monitoring, partOf, Billing Inquiry>
+<VoIP Service, connectedTo, Plan Renewal>
+<VoIP Service, partOf, Service Level Agreement>
+<start, connectedTo, Bill Generation>
+<start, connectedTo, IoT Device Connection>
diff --git a/train/mermaid/hard/mermaid_780.txt b/train/mermaid/hard/mermaid_780.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04310a857318a848815d9dd0bdaaec1095933631
--- /dev/null
+++ b/train/mermaid/hard/mermaid_780.txt
@@ -0,0 +1,31 @@
+<Access and Reference Services, digitizes, Digital Asset Management>
+<Access and Reference Services, partOf, Acquisition and Accessioning>
+<Appraisal and Selection, connectedTo, Born_Digital Archiving>
+<Appraisal and Selection, connectedTo, Metadata Creation>
+<Appraisal and Selection, implements, Access and Reference Services>
+<Born_Digital Archiving, connectedTo, Records Retention Scheduling>
+<Born_Digital Archiving, partOf, Web Archiving>
+<Digital Asset Management, connectedTo, Long_Term Digital Preservation>
+<Digital Asset Management, partOf, Acquisition and Accessioning>
+<Digital Forensics for Archives, connectedTo, Ethical Use of Archival Materials>
+<Digital Forensics for Archives, partOf, Web Archiving>
+<Environmental Control, authenticates, Preservation Planning>
+<Environmental Control, connectedTo, Appraisal and Selection>
+<Environmental Control, connectedTo, Grant Writing for Archives>
+<Environmental Control, connectedTo, Metadata Creation>
+<Environmental Control, connectedTo, Preservation Planning>
+<Environmental Control, connectedTo, Researchers Support>
+<Ethical Use of Archival Materials, connectedTo, Metadata Creation>
+<Ethical Use of Archival Materials, partOf, Web Archiving>
+<Exhibition Curation, connectedTo, Environmental Control>
+<Exhibition Curation, connectedTo, Preservation Planning>
+<Grant Writing for Archives, connectedTo, Preservation Planning>
+<Long_Term Digital Preservation, connectedTo, Researchers Support>
+<Long_Term Digital Preservation, partOf, Acquisition and Accessioning>
+<Outreach and Education, connectedTo, Researchers Support>
+<Preservation Planning, connectedTo, Outreach and Education>
+<Preservation Planning, connectedTo, Researchers Support>
+<Preservation Planning, locates, Appraisal and Selection>
+<Records Retention Scheduling, connectedTo, Digital Forensics for Archives>
+<Records Retention Scheduling, partOf, Web Archiving>
+<Researchers Support, educates, Appraisal and Selection>
diff --git a/train/mermaid/hard/mermaid_784.txt b/train/mermaid/hard/mermaid_784.txt
new file mode 100644
index 0000000000000000000000000000000000000000..13c66cf1d80cf66f37b240522b70bbef9517b09c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_784.txt
@@ -0,0 +1,41 @@
+<Access and Reference Services, connectedTo, Database Management>
+<Authority Control for Archival Names, monitors, Digital Forensics for Archives>
+<Born_Digital Archiving, connectedTo, Metadata Creation>
+<Born_Digital Archiving, connectedTo, Oral History Collection>
+<Collection Management Policy, connectedTo, Digital Forensics for Archives>
+<Collection Management Policy, partOf, Legal and Ethical Compliance>
+<Community Archiving Projects, connectedTo, Conservation Treatment>
+<Community Archiving Projects, connectedTo, Emulation for Obsolete Formats>
+<Conservation Treatment, connectedTo, Access and Reference Services>
+<Database Management, connectedTo, end>
+<Digital Asset Management, connectedTo, Grant Writing for Archives>
+<Digital Forensics for Archives, connectedTo, Oral History Collection>
+<Digitization of Records, connectedTo, Digital Asset Management>
+<Disaster Preparedness for Archives, partOf, Arrangement and Description>
+<Disaster Preparedness for Archives, procedures, end>
+<Emulation for Obsolete Formats, advises, end>
+<Emulation for Obsolete Formats, connectedTo, Access and Reference Services>
+<Emulation for Obsolete Formats, connectedTo, Conservation Treatment>
+<Emulation for Obsolete Formats, connectedTo, Database Management>
+<Emulation for Obsolete Formats, connectedTo, end>
+<Environmental Control, retrieves, Outreach and Education>
+<Grant Writing for Archives, connectedTo, Intellectual Property Rights Management>
+<Intellectual Property Rights Management, connectedTo, Community Archiving Projects>
+<Metadata Creation, connectedTo, Authority Control for Archival Names>
+<Metadata Creation, connectedTo, Conservation Treatment>
+<Metadata Creation, connectedTo, Oral History Collection>
+<Metadata Creation, connectedTo, Records Management Integration>
+<Oral History Collection, connectedTo, Preservation Planning>
+<Outreach and Education, connectedTo, Digitization of Records>
+<Outreach and Education, connectedTo, Web Archiving>
+<Preservation Planning, connectedTo, Environmental Control>
+<Provenance Tracking, connectedTo, Records Transfer Processes>
+<Provenance Tracking, partOf, Arrangement and Description>
+<Records Management Integration, connectedTo, Provenance Tracking>
+<Records Management Integration, partOf, Arrangement and Description>
+<Records Retention Scheduling, connectedTo, Collection Management Policy>
+<Records Retention Scheduling, partOf, Legal and Ethical Compliance>
+<Records Transfer Processes, connectedTo, Disaster Preparedness for Archives>
+<Records Transfer Processes, partOf, Arrangement and Description>
+<Web Archiving, connectedTo, Records Retention Scheduling>
+<Web Archiving, partOf, Legal and Ethical Compliance>
diff --git a/train/mermaid/hard/mermaid_786.mmd b/train/mermaid/hard/mermaid_786.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..de69b408d6a782edfb64f695f5096979899ae478
--- /dev/null
+++ b/train/mermaid/hard/mermaid_786.mmd
@@ -0,0 +1,88 @@
+graph LR
+    N0([start])
+    N1[(RFID for Object Tracking)]
+    N2[[Educational Technology Integration]]
+    N3{Member Management Systems}
+    N4[/User Experience Design/]
+    N5[(Accessibility Technology for Visitors)]
+    N6(Collection Digitization)
+    N7[Digital Storytelling]
+    N8[(Online Shop Integration)]
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Community Engagement Platforms
+        nest0_0([Environmental Control Systems])
+        nest0_1{3D Scanning of Artifacts}
+        nest0_2[(Virtual Tours)]
+    end
+    subgraph Cybersecurity for Museum Data
+        nest1_0[(Visitor Flow Analysis)]
+        nest1_1[(Digital Archiving)]
+        nest1_2[/Content Management Systems/]
+        nest1_3(3D Printing for Replicas)
+    end
+    N0 --> |yes| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N7 -.-> nest0_0
+    nest0_2 --> N8
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> |no| nest1_3
+    N5 -.-> nest1_0
+    nest1_3 -.-> N2
+    N2 -.-> S1
+    S1 -.-> N4
+    S1 -.-> N5
+    N1 --> M0
+    N2 --> M0
+    M0 -.-> N4
+    N0 -.-> M1
+    N1 -.-> M1
+    M1 --> N3
+    N4 --> M2
+    N0 --> M2
+    M2 --> N8
+    style S1 fill:#FFF0CC,stroke:#FFCC80
+    style M0 fill:#E1F5FE,stroke:#4FC3F7
+    style M1 fill:#FFF0CC,stroke:#FFCC80
+    style M2 fill:#E1F5FE,stroke:#4FC3F7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#66BB6A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_786.txt b/train/mermaid/hard/mermaid_786.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c7b0d7a9f6aa5bb26c3b7e9a37db5c048a2ca96
--- /dev/null
+++ b/train/mermaid/hard/mermaid_786.txt
@@ -0,0 +1,31 @@
+<3D Printing for Replicas, connectedTo, Educational Technology Integration>
+<3D Printing for Replicas, partOf, Cybersecurity for Museum Data>
+<3D Scanning of Artifacts, connectedTo, Virtual Tours>
+<3D Scanning of Artifacts, partOf, Community Engagement Platforms>
+<Accessibility Technology for Visitors, connectedTo, Collection Digitization>
+<Accessibility Technology for Visitors, connectedTo, Visitor Flow Analysis>
+<Collection Digitization, connectedTo, Digital Storytelling>
+<Content Management Systems, no, 3D Printing for Replicas>
+<Content Management Systems, partOf, Cybersecurity for Museum Data>
+<Digital Archiving, connectedTo, Content Management Systems>
+<Digital Archiving, partOf, Cybersecurity for Museum Data>
+<Digital Storytelling, connectedTo, Environmental Control Systems>
+<Digital Storytelling, connectedTo, Online Shop Integration>
+<Educational Technology Integration, connectedTo, Accessibility Technology for Visitors>
+<Educational Technology Integration, connectedTo, Member Management Systems>
+<Educational Technology Integration, connectedTo, User Experience Design>
+<Environmental Control Systems, connectedTo, 3D Scanning of Artifacts>
+<Environmental Control Systems, partOf, Community Engagement Platforms>
+<Member Management Systems, connectedTo, User Experience Design>
+<RFID for Object Tracking, connectedTo, Educational Technology Integration>
+<RFID for Object Tracking, connectedTo, Member Management Systems>
+<RFID for Object Tracking, connectedTo, User Experience Design>
+<User Experience Design, connectedTo, Accessibility Technology for Visitors>
+<User Experience Design, connectedTo, Online Shop Integration>
+<Virtual Tours, connectedTo, Online Shop Integration>
+<Virtual Tours, partOf, Community Engagement Platforms>
+<Visitor Flow Analysis, connectedTo, Digital Archiving>
+<Visitor Flow Analysis, partOf, Cybersecurity for Museum Data>
+<start, connectedTo, Member Management Systems>
+<start, connectedTo, Online Shop Integration>
+<start, yes, RFID for Object Tracking>
diff --git a/train/mermaid/hard/mermaid_787.txt b/train/mermaid/hard/mermaid_787.txt
new file mode 100644
index 0000000000000000000000000000000000000000..719d284933766e6d57a64248915c3940151dde16
--- /dev/null
+++ b/train/mermaid/hard/mermaid_787.txt
@@ -0,0 +1,38 @@
+<3D Scanning of Artifacts, connectedTo, RFID for Object Tracking>
+<Accessibility Technology for Visitors, connectedTo, Cybersecurity for Museum Data>
+<Community Engagement Platforms, connectedTo, Environmental Control Systems>
+<Community Engagement Platforms, connectedTo, RFID for Object Tracking>
+<Content Management Systems, connectedTo, Member Management Systems>
+<Content Management Systems, partOf, Interactive Kiosks>
+<Cybersecurity for Museum Data, connectedTo, Member Management Systems>
+<Cybersecurity for Museum Data, connectedTo, Online Shop Integration>
+<Cybersecurity for Museum Data, connectedTo, RFID for Object Tracking>
+<Cybersecurity for Museum Data, connectedTo, Ticketing and Visitor Systems>
+<Digital Preservation Strategies, connectedTo, Accessibility Technology for Visitors>
+<Digital Preservation Strategies, partOf, Conservation Technology>
+<Environmental Control Systems, connectedTo, Security Systems Integration>
+<Exhibition Design, connectedTo, Online Shop Integration>
+<Gamification of Museum Experiences, connectedTo, Content Management Systems>
+<Gamification of Museum Experiences, partOf, Interactive Kiosks>
+<Member Management Systems, connectedTo, Ticketing and Visitor Systems>
+<RFID for Object Tracking, connectedTo, Exhibition Design>
+<Robotics in Exhibits, connectedTo, Digital Preservation Strategies>
+<Robotics in Exhibits, partOf, Conservation Technology>
+<Security Systems Integration, connectedTo, Accessibility Technology for Visitors>
+<Security Systems Integration, connectedTo, Gamification of Museum Experiences>
+<Soundscape Design, connectedTo, Accessibility Technology for Visitors>
+<Soundscape Design, connectedTo, Community Engagement Platforms>
+<Soundscape Design, connectedTo, Environmental Control Systems>
+<Soundscape Design, connectedTo, Online Shop Integration>
+<Soundscape Design, connectedTo, Ticketing and Visitor Systems>
+<Soundscape Design, connectedTo, Virtual Tours>
+<Ticketing and Visitor Systems, connectedTo, 3D Scanning of Artifacts>
+<Ticketing and Visitor Systems, connectedTo, RFID for Object Tracking>
+<Ticketing and Visitor Systems, connectedTo, User Experience Design>
+<User Experience Design, connectedTo, Robotics in Exhibits>
+<User Experience Design, partOf, Conservation Technology>
+<Virtual Tours, connectedTo, Community Engagement Platforms>
+<Visitor Flow Analysis, connectedTo, Community Engagement Platforms>
+<Visitor Flow Analysis, connectedTo, RFID for Object Tracking>
+<Visitor Flow Analysis, connectedTo, Soundscape Design>
+<start, connectedTo, Visitor Flow Analysis>
diff --git a/train/mermaid/hard/mermaid_79.png b/train/mermaid/hard/mermaid_79.png
new file mode 100644
index 0000000000000000000000000000000000000000..68e750a6f653701292de610a1fe8a240f8d902d2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_79.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aece52c12512800f2f3268a6f490a07a5e1e9ff47c5e9dc24b3ebc03a855ad9e
+size 221893
diff --git a/train/mermaid/hard/mermaid_79.txt b/train/mermaid/hard/mermaid_79.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6463dc35f79ba02a1a02bc1dad9bee9c911dbc53
--- /dev/null
+++ b/train/mermaid/hard/mermaid_79.txt
@@ -0,0 +1,40 @@
+<Antenna Maintenance, connectedTo, Call Recording>
+<Antenna Maintenance, connectedTo, Network Activation>
+<Antenna Maintenance, partOf, Service Level Agreement>
+<Base Station Installation, connectedTo, Spectrum Management>
+<Broadband Provisioning, connectedTo, Mobile Top_up>
+<Broadband Provisioning, connectedTo, Plan Suspension>
+<Call Recording, connectedTo, Service Complaint>
+<Call Recording, partOf, Plan Renewal>
+<Contract Termination, connectedTo, Base Station Installation>
+<Customer Relationship Management, connectedTo, Contract Termination>
+<Customer Relationship Management, connectedTo, Video Conferencing>
+<Customer Support, connectedTo, Plan Suspension>
+<Device Setup, connectedTo, Outage Detection>
+<IoT Device Connection, connectedTo, Call Recording>
+<IoT Device Connection, partOf, Plan Renewal>
+<Mobile Top_up, connectedTo, Service Complaint>
+<Network Activation, connectedTo, Customer Support>
+<Network Activation, connectedTo, Plan Suspension>
+<Network Security Monitoring, connectedTo, Plan Selection>
+<Network Security Monitoring, partOf, Plan Renewal>
+<Outage Detection, connectedTo, Technical Support Escalation>
+<Plan Selection, connectedTo, IoT Device Connection>
+<Plan Selection, partOf, Plan Renewal>
+<Plan Suspension, connectedTo, Customer Relationship Management>
+<Roaming Activation, connectedTo, Bill Generation>
+<SMS Delivery, connectedTo, Antenna Maintenance>
+<SMS Delivery, partOf, Service Level Agreement>
+<Service Complaint, authorizes, Base Station Installation>
+<Service Complaint, connectedTo, Network Activation>
+<Service Complaint, connectedTo, Network Security Monitoring>
+<Service Complaint, connectedTo, Plan Suspension>
+<Service Complaint, connectedTo, Troubleshooting Guide>
+<Spectrum Management, connectedTo, Device Setup>
+<Technical Support Escalation, connectedTo, Roaming Activation>
+<Troubleshooting Guide, connectedTo, Network Activation>
+<Troubleshooting Guide, connectedTo, Plan Suspension>
+<Usage Monitoring, connectedTo, SMS Delivery>
+<Usage Monitoring, partOf, Service Level Agreement>
+<Video Conferencing, connectedTo, Usage Monitoring>
+<Video Conferencing, partOf, Service Level Agreement>
diff --git a/train/mermaid/hard/mermaid_795.txt b/train/mermaid/hard/mermaid_795.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a53e589c86720cdbdf80310b04eb66057ae01e6c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_795.txt
@@ -0,0 +1,41 @@
+<Anti_Money Laundering Compliance, connectedTo, end>
+<Audit Planning, connectedTo, Labor Law Compliance>
+<Audit Planning, partOf, Risk Assessment>
+<Bias Mitigation, connectedTo, Compliance Software Implementation>
+<Bias Mitigation, partOf, Risk Assessment>
+<Compliance Software Implementation, connectedTo, Audit Planning>
+<Compliance Software Implementation, partOf, Risk Assessment>
+<Compliance Training, connectedTo, Bias Mitigation>
+<Compliance Training, partOf, Risk Assessment>
+<Conflict of Interest Management, connectedTo, Reporting Mechanisms>
+<Consumer Protection Compliance, connectedTo, Labor Law Compliance>
+<Corporate Governance Standards, connectedTo, Legal Advisory>
+<Data Ethics, connectedTo, Product Safety Compliance>
+<Data Ethics, partOf, Incident Response Planning>
+<Data Privacy Compliance, connectedTo, Consumer Protection Compliance>
+<Ethics Committee Formation, yes, Export Control Compliance>
+<Export Control Compliance, connectedTo, Corporate Governance Standards>
+<Fair Competition Compliance, connectedTo, Corporate Governance Standards>
+<Fair Competition Compliance, connectedTo, Ethics Committee Formation>
+<Fair Competition Compliance, connectedTo, Internal Investigations>
+<Fair Competition Compliance, connectedTo, Legal Advisory>
+<Internal Investigations, connectedTo, Corporate Governance Standards>
+<Internal Investigations, connectedTo, Ethics Committee Formation>
+<Internal Investigations, connectedTo, Legal Advisory>
+<Labor Law Compliance, connectedTo, Conflict of Interest Management>
+<Labor Law Compliance, connectedTo, Policy Development>
+<Legal Advisory, connectedTo, Anti_Money Laundering Compliance>
+<Legal Advisory, connectedTo, Compliance Training>
+<Policy Development, connectedTo, Data Ethics>
+<Policy Development, partOf, Incident Response Planning>
+<Product Safety Compliance, connectedTo, Regulatory Interpretation>
+<Product Safety Compliance, partOf, Incident Response Planning>
+<Regulatory Interpretation, connectedTo, Transparent Communication>
+<Regulatory Interpretation, partOf, Incident Response Planning>
+<Reporting Mechanisms, connectedTo, Fair Competition Compliance>
+<Reporting Mechanisms, connectedTo, Internal Investigations>
+<Reporting Mechanisms, connectedTo, end>
+<Transparent Communication, connectedTo, Consumer Protection Compliance>
+<Transparent Communication, connectedTo, Data Privacy Compliance>
+<start, connectedTo, Consumer Protection Compliance>
+<start, connectedTo, Transparent Communication>
diff --git a/train/mermaid/hard/mermaid_799.png b/train/mermaid/hard/mermaid_799.png
new file mode 100644
index 0000000000000000000000000000000000000000..c461434ad07e34163f5c1a90ecdcd8c2370e29af
--- /dev/null
+++ b/train/mermaid/hard/mermaid_799.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:50d7dbcb24f76494dec2e60aa8965341573f90950c8f9c6704fea512100afb33
+size 480268
diff --git a/train/mermaid/hard/mermaid_8.mmd b/train/mermaid/hard/mermaid_8.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..260b51b8fe1d124ea48239615839a773f9340e0f
--- /dev/null
+++ b/train/mermaid/hard/mermaid_8.mmd
@@ -0,0 +1,146 @@
+graph LR
+    N0([Wealth Management])
+    N1([Transaction Logging])
+    N2[Collateral Evaluation]
+    N3[[Portfolio Management]]
+    N4[/Asset Management/]
+    N5[[Income Verification]]
+    N6(Risk Assessment)
+    N7[Financial Reporting]
+    N8(Budgeting Analysis)
+    N9[/Securities Trading/]
+    N10[Blockchain Verification]
+    N11([Fund Disbursement])
+    N12[Credit Scoring]
+    N13[[Cryptocurrency Exchange]]
+    N14([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Underwriting
+        nest0_0([IPO Launch])
+        nest0_1([Treasury Management])
+        nest0_2{Market Analysis}
+    end
+    subgraph Account Closure
+        nest1_0[/Merger and Acquisition/]
+        nest1_1[Financial Advisory]
+        nest1_2([Credit Card Application])
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |underwrites| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N1 -.-> nest0_0
+    nest0_2 -.-> N8
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N3 -.-> nest1_0
+    nest1_2 --> N12
+    N8 --> S0
+    S0 --> N14
+    S0 -.-> N11
+    S0 --> |calculates| N10
+    S0 -.-> N12
+    N10 --> S1
+    S1 -.-> N12
+    S1 --> N14
+    S1 -.-> N13
+    N7 --> S2
+    S2 -.-> N14
+    S2 -.-> N10
+    S2 -.-> N9
+    S2 --> N11
+    N9 -.-> M0
+    N2 --> M0
+    M0 --> N11
+    N4 -.-> M2
+    N1 -.-> M2
+    N2 --> |models| M2
+    N9 -.-> M2
+    M2 -.-> N13
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#D6D9F0,stroke:#9FA9E1
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#D6D9F0,stroke:#9FA9E1
+    style N9 fill:#D6D9F0,stroke:#9FA9E1
+    style N10 fill:#C9F0F0,stroke:#4DD0E1
+    style N11 fill:#D6D9F0,stroke:#9FA9E1
+    style N12 fill:#D6D9F0,stroke:#9FA9E1
+    style N13 fill:#D6D9F0,stroke:#9FA9E1
+    style N14 fill:#C9F0F0,stroke:#4DD0E1
+    style S0 fill:#C9F0F0,stroke:#4DD0E1
+    style S1 fill:#D6D9F0,stroke:#9FA9E1
+    style S2 fill:#D6D9F0,stroke:#9FA9E1
+    style M0 fill:#C9F0F0,stroke:#4DD0E1
+    style M2 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_0 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_2 fill:#F1F8E9,stroke:#388E3C
+    style nest1_0 fill:#F1F8E9,stroke:#388E3C
+    style nest1_1 fill:#C9F0F0,stroke:#4DD0E1
+    style nest1_2 fill:#C9F0F0,stroke:#4DD0E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_80.mmd b/train/mermaid/hard/mermaid_80.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..353390f87b01053214680a0832e7097d72dfc50c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_80.mmd
@@ -0,0 +1,114 @@
+graph BT
+    N0([start])
+    N1([Antenna Maintenance])
+    N2[Service Complaint]
+    N3(Troubleshooting Guide)
+    N4{Customer Support}
+    N5[Service Level Agreement]
+    N6[Number Porting]
+    N7([VoIP Service])
+    N8[[Customer Relationship Management]]
+    N9[Video Conferencing]
+    N10([Bandwidth Allocation])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph SMS Delivery
+        nest0_0[Technical Support Escalation]
+        nest0_1(Device Setup)
+    end
+    subgraph IoT Device Connection
+        nest1_0[/Roaming Activation/]
+        nest1_1(Call Recording)
+        nest1_2[/Fiber Optic Deployment/]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    N1 -.-> nest0_0
+    nest0_1 -.-> N8
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N1 -.-> nest1_0
+    nest1_2 -.-> N8
+    N7 -.-> S0
+    S0 -.-> N9
+    S0 --> N10
+    N0 --> S1
+    S1 --> N2
+    S1 -.-> N10
+    N1 -.-> S2
+    S2 --> N5
+    S2 -.-> N7
+    S2 -.-> N9
+    N3 -.-> M0
+    N4 --> M0
+    M0 --> N6
+    N0 -.-> M1
+    N3 -.-> |filters| M1
+    M1 --> N5
+    style N0 fill:#E1F5FE,stroke:#4FC3F7
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#E1F5FE,stroke:#4FC3F7
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#E1F5FE,stroke:#4FC3F7
+    style N5 fill:#D1C4E9,stroke:#7E57C2
+    style N6 fill:#F3E5F5,stroke:#AB47BC
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#D1C4E9,stroke:#7E57C2
+    style N9 fill:#F3E5F5,stroke:#AB47BC
+    style N10 fill:#E1F5FE,stroke:#4FC3F7
+    style S0 fill:#D1C4E9,stroke:#7E57C2
+    style S1 fill:#F3E5F5,stroke:#AB47BC
+    style S2 fill:#E1F5FE,stroke:#4FC3F7
+    style M0 fill:#F3E5F5,stroke:#AB47BC
+    style M1 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_0 fill:#F3E5F5,stroke:#AB47BC
+    style nest1_1 fill:#E1F5FE,stroke:#4FC3F7
+    style nest1_2 fill:#D1C4E9,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_800.txt b/train/mermaid/hard/mermaid_800.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6e65d0eefade990e59776a8b0fb0cdc310e29d54
--- /dev/null
+++ b/train/mermaid/hard/mermaid_800.txt
@@ -0,0 +1,41 @@
+<Anti_Money Laundering Compliance, connectedTo, Conflict of Interest Management>
+<Anti_Money Laundering Compliance, connectedTo, Financial Regulations Compliance>
+<Audit Planning, connectedTo, ESG Integration>
+<Audit Planning, connectedTo, Incident Response Planning>
+<CSR Reporting, connectedTo, Audit Planning>
+<CSR Reporting, connectedTo, ESG Integration>
+<CSR Reporting, connectedTo, Incident Response Planning>
+<Compliance Hotlines, connectedTo, Product Safety Compliance>
+<Conflict of Interest Management, connectedTo, Information Security Compliance>
+<ESG Integration, connectedTo, Ethics Committee Formation>
+<ESG Integration, connectedTo, Monitoring and Enforcement>
+<Environmental Compliance, connectedTo, Reporting Mechanisms>
+<Environmental Compliance, partOf, Anti_Bribery and Corruption Compliance>
+<Ethical AI Guidelines, connectedTo, Data Privacy Compliance>
+<Ethical AI Guidelines, partOf, Code of Conduct Implementation>
+<Ethics Committee Formation, connectedTo, Anti_Money Laundering Compliance>
+<Fair Competition Compliance, connectedTo, ESG Integration>
+<Financial Regulations Compliance, connectedTo, Legal Advisory>
+<Financial Regulations Compliance, partOf, Anti_Bribery and Corruption Compliance>
+<Healthcare Compliance, connectedTo, Supplier Code of Conduct>
+<Incident Response Planning, connectedTo, ESG Integration>
+<Incident Response Planning, connectedTo, Fair Competition Compliance>
+<Information Security Compliance, connectedTo, Risk Assessment>
+<Legal Advisory, connectedTo, Environmental Compliance>
+<Legal Advisory, partOf, Anti_Bribery and Corruption Compliance>
+<Monitoring and Enforcement, connectedTo, Ethical AI Guidelines>
+<Monitoring and Enforcement, partOf, Code of Conduct Implementation>
+<Policy Development, connectedTo, Healthcare Compliance>
+<Product Safety Compliance, connectedTo, Data Privacy Compliance>
+<Regulatory Interpretation, connectedTo, CSR Reporting>
+<Regulatory Interpretation, connectedTo, Compliance Hotlines>
+<Regulatory Interpretation, connectedTo, Conflict of Interest Management>
+<Regulatory Interpretation, connectedTo, ESG Integration>
+<Regulatory Interpretation, connectedTo, Incident Response Planning>
+<Reporting Mechanisms, connectedTo, Compliance Hotlines>
+<Reporting Mechanisms, partOf, Anti_Bribery and Corruption Compliance>
+<Risk Assessment, connectedTo, Data Privacy Compliance>
+<Risk Assessment, connectedTo, Policy Development>
+<Risk Assessment, connectedTo, Product Safety Compliance>
+<Risk Assessment, connectedTo, Supplier Code of Conduct>
+<Supplier Code of Conduct, connectedTo, Compliance Hotlines>
diff --git a/train/mermaid/hard/mermaid_814.mmd b/train/mermaid/hard/mermaid_814.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1518345468c5e45225d8828f1fb4c6521c1886f7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_814.mmd
@@ -0,0 +1,116 @@
+graph TD
+    N0([start])
+    N1[Intelligence Analysis]
+    N2[(Border Security)]
+    N3[Threat Assessment]
+    N4[(Data Analytics for Terrorism)]
+    N5[[Training Exercises]]
+    N6[[Counter_Propaganda]]
+    N7[/Chemical Biological Radiological Nuclear Defense/]
+    N8[(Forensic Investigation of Attacks)]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph International Cooperation
+        nest0_0[Vulnerability Assessment]
+        nest0_1[[Terrorism Financing Interdiction]]
+        nest0_2[Behavioral Threat Assessment]
+    end
+    subgraph Post_Incident Recovery
+        nest1_0(Military Counterterrorism)
+        nest1_1{Port Security}
+        nest1_2[Psychological Operations]
+        nest1_3[(Drone Countermeasures)]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    nest0_0 -.-> |propaganda_counters| nest0_1
+    nest0_1 -.-> nest0_2
+    N6 -.-> nest0_0
+    nest0_2 -.-> N7
+    nest1_0 --> |responds| nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N6 -.-> nest1_0
+    nest1_3 -.-> N2
+    N3 --> S0
+    S0 --> N5
+    S0 -.-> N8
+    S0 -.-> |policies_develops| N7
+    N5 --> S1
+    S1 -.-> N7
+    S1 --> N8
+    N2 --> M0
+    N3 -.-> M0
+    N0 --> M0
+    M0 --> N5
+    N1 --> M1
+    N2 --> M1
+    M1 --> N6
+    N1 --> M2
+    N0 -.-> M2
+    M2 --> N3
+    style N0 fill:#FFFDE7,stroke:#FFF176
+    style N1 fill:#C9EFEC,stroke:#6FE1D5
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#FFFDE7,stroke:#FFF176
+    style N6 fill:#C9EFEC,stroke:#6FE1D5
+    style N7 fill:#FFFDE7,stroke:#FFF176
+    style N8 fill:#FFF9D4,stroke:#FFE69C
+    style S0 fill:#C9EFEC,stroke:#6FE1D5
+    style S1 fill:#FFFDE7,stroke:#FFF176
+    style M0 fill:#FFFDE7,stroke:#FFF176
+    style M1 fill:#C9EFEC,stroke:#6FE1D5
+    style M2 fill:#FFFDE7,stroke:#FFF176
+    style nest0_0 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_1 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_2 fill:#FFF9D4,stroke:#FFE69C
+    style nest1_0 fill:#FFFDE7,stroke:#FFF176
+    style nest1_1 fill:#C9EFEC,stroke:#6FE1D5
+    style nest1_2 fill:#FFFDE7,stroke:#FFF176
+    style nest1_3 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_816.png b/train/mermaid/hard/mermaid_816.png
new file mode 100644
index 0000000000000000000000000000000000000000..f7728e312d311cb040ff44b96462ca2f14879b55
--- /dev/null
+++ b/train/mermaid/hard/mermaid_816.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:624b9388434f69643c6d625350cf4450499e0f96e69aa33378a3838439da59f5
+size 211216
diff --git a/train/mermaid/hard/mermaid_816.txt b/train/mermaid/hard/mermaid_816.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c47873e40b9c0b837564c08750652f96eb87061c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_816.txt
@@ -0,0 +1,40 @@
+<Behavioral Threat Assessment, connectedTo, Military Counterterrorism>
+<Behavioral Threat Assessment, partOf, Risk Analysis>
+<Bomb Disposal, connectedTo, Post_Incident Recovery>
+<Chemical Biological Radiological Nuclear Defense, connectedTo, Behavioral Threat Assessment>
+<Chemical Biological Radiological Nuclear Defense, partOf, Risk Analysis>
+<Crisis Response Planning, connectedTo, Threat Assessment>
+<Critical Infrastructure Protection, connectedTo, Drone Countermeasures>
+<Critical Infrastructure Protection, partOf, Target Hardening>
+<Data Analytics for Terrorism, connectedTo, end>
+<Drone Countermeasures, connectedTo, Homeland Security Planning>
+<Drone Countermeasures, partOf, Target Hardening>
+<Homeland Security Planning, connectedTo, Intelligence Gathering>
+<Homeland Security Planning, partOf, Target Hardening>
+<Hostage Negotiation, no, Psychological Operations>
+<Information Sharing, connectedTo, Insider Threat Programs>
+<Insider Threat Programs, connectedTo, Public Awareness Campaigns>
+<Intelligence Gathering, connectedTo, Post_Incident Recovery>
+<Intelligence Gathering, partOf, Target Hardening>
+<International Cooperation, connectedTo, Port Security>
+<Military Counterterrorism, connectedTo, Information Sharing>
+<Military Counterterrorism, connectedTo, Threat Assessment>
+<Military Counterterrorism, yes, end>
+<Port Security, connectedTo, Information Sharing>
+<Port Security, connectedTo, Military Counterterrorism>
+<Port Security, connectedTo, end>
+<Post_Incident Recovery, connectedTo, Information Sharing>
+<Post_Incident Recovery, connectedTo, International Cooperation>
+<Psychological Operations, connectedTo, Bomb Disposal>
+<Psychological Operations, connectedTo, Chemical Biological Radiological Nuclear Defense>
+<Public Awareness Campaigns, connectedTo, Crisis Response Planning>
+<Public Awareness Campaigns, connectedTo, Critical Infrastructure Protection>
+<Threat Assessment, connectedTo, Data Analytics for Terrorism>
+<Training Exercises, connectedTo, Bomb Disposal>
+<Training Exercises, connectedTo, Hostage Negotiation>
+<Training Exercises, connectedTo, Information Sharing>
+<Training Exercises, connectedTo, Port Security>
+<Vulnerability Assessment, connectedTo, Hostage Negotiation>
+<Vulnerability Assessment, connectedTo, Training Exercises>
+<start, connectedTo, Hostage Negotiation>
+<start, connectedTo, Vulnerability Assessment>
diff --git a/train/mermaid/hard/mermaid_817.txt b/train/mermaid/hard/mermaid_817.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a82d224608236638d4411f9ff03abfb661fb8ffb
--- /dev/null
+++ b/train/mermaid/hard/mermaid_817.txt
@@ -0,0 +1,32 @@
+<Access Control Systems, connectedTo, Perimeter Security>
+<Access Control Systems, partOf, Industrial Surveillance>
+<Biometric Data Analysis, connectedTo, GPS Tracking>
+<Biometric Data Analysis, connectedTo, Night Vision Technology>
+<Biometric Data Analysis, connectedTo, Traffic Surveillance>
+<Biometric Data Analysis, connectedTo, Video Analytics>
+<Biometric Data Analysis, controls, Security Personnel Operations>
+<Data Storage and Retention, connectedTo, Remote Sensing>
+<Ethical Guidelines, connectedTo, Night Vision Technology>
+<Ethical Guidelines, partOf, Mobile Phone Interception>
+<GPS Tracking, connectedTo, Night Vision Technology>
+<GPS Tracking, connectedTo, Security Personnel Operations>
+<GPS Tracking, connectedTo, Video Analytics>
+<GPS Tracking, detects, Data Storage and Retention>
+<Internet Traffic Monitoring, connectedTo, Night Vision Technology>
+<Internet Traffic Monitoring, partOf, Industrial Surveillance>
+<Intrusion Detection, connectedTo, Access Control Systems>
+<Intrusion Detection, partOf, Industrial Surveillance>
+<Network Monitoring, connectedTo, Ethical Guidelines>
+<Network Monitoring, partOf, Mobile Phone Interception>
+<Night Vision Technology, connectedTo, Video Analytics>
+<Perimeter Security, partOf, Industrial Surveillance>
+<Perimeter Security, regulates, Internet Traffic Monitoring>
+<Real_time Alerts, connectedTo, Data Storage and Retention>
+<Remote Sensing, connectedTo, Public Space Monitoring>
+<Security Personnel Operations, connectedTo, Night Vision Technology>
+<Traffic Surveillance, connectedTo, Network Monitoring>
+<Traffic Surveillance, partOf, Mobile Phone Interception>
+<Video Analytics, installs, Intrusion Detection>
+<Video Analytics, transmits, Real_time Alerts>
+<start, connectedTo, Biometric Data Analysis>
+<start, connectedTo, Night Vision Technology>
diff --git a/train/mermaid/hard/mermaid_818.mmd b/train/mermaid/hard/mermaid_818.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..12437aaf331fa925026a142f2ad00dee6d17ccef
--- /dev/null
+++ b/train/mermaid/hard/mermaid_818.mmd
@@ -0,0 +1,130 @@
+graph RL
+    N0([start])
+    N1[Data Storage and Retention]
+    N2[(Remote Sensing)]
+    N3[[Physical Security Integration]]
+    N4(Ethical Guidelines)
+    N5[Asset Tracking]
+    N6[/Cyber Surveillance/]
+    N7(Audio Surveillance)
+    N8(Access Control Systems)
+    N9[Thermal Imaging]
+    N10[Anomaly Detection]
+    N11[(Security Personnel Operations)]
+    N12[[Wildlife Tracking]]
+    N13([Network Monitoring])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Biometric Data Analysis
+        nest0_0([Traffic Surveillance])
+        nest0_1[Sensor Network Deployment]
+    end
+    subgraph Intrusion Detection
+        nest1_0([Behavioral Analytics])
+        nest1_1[(Social Media Monitoring)]
+        nest1_2[Automated Threat Detection]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |blocks| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    nest0_0 -.-> nest0_1
+    N6 --> nest0_0
+    nest0_1 -.-> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N7 --> nest1_0
+    nest1_2 --> N12
+    N1 -.-> S0
+    S0 --> |tracks| N6
+    S0 -.-> |captures| N8
+    S0 --> N7
+    N3 -.-> S1
+    S1 --> |maintains| N13
+    S1 --> N11
+    S1 -.-> N5
+    N4 --> S2
+    S2 --> N6
+    S2 -.-> N8
+    N11 --> M0
+    N4 --> M0
+    N8 --> M0
+    M0 --> N13
+    N2 --> M1
+    N3 -.-> M1
+    M1 --> N5
+    style N0 fill:#F5F5DC,stroke:#BCB88A
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#ECEFF1,stroke:#90A4AE
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#ECEFF1,stroke:#90A4AE
+    style N6 fill:#F5F5DC,stroke:#BCB88A
+    style N7 fill:#ECEFF1,stroke:#90A4AE
+    style N8 fill:#ECEFF1,stroke:#90A4AE
+    style N9 fill:#F5F5DC,stroke:#BCB88A
+    style N10 fill:#F9FBE7,stroke:#DCE775
+    style N11 fill:#F9FBE7,stroke:#DCE775
+    style N12 fill:#F5F5DC,stroke:#BCB88A
+    style N13 fill:#F5F5DC,stroke:#BCB88A
+    style S0 fill:#ECEFF1,stroke:#90A4AE
+    style S1 fill:#F5F5DC,stroke:#BCB88A
+    style S2 fill:#F9FBE7,stroke:#DCE775
+    style M0 fill:#F9FBE7,stroke:#DCE775
+    style M1 fill:#F9FBE7,stroke:#DCE775
+    style nest0_0 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_1 fill:#F5F5DC,stroke:#BCB88A
+    style nest1_0 fill:#F5F5DC,stroke:#BCB88A
+    style nest1_1 fill:#F9FBE7,stroke:#DCE775
+    style nest1_2 fill:#F5F5DC,stroke:#BCB88A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#90A4AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_820.mmd b/train/mermaid/hard/mermaid_820.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..235f91b455758e3026a64f5f8fc9609cccb76e42
--- /dev/null
+++ b/train/mermaid/hard/mermaid_820.mmd
@@ -0,0 +1,105 @@
+graph LR
+    N0([start])
+    N1[Legal Compliance]
+    N2[[Internet Traffic Monitoring]]
+    N3[Physical Security Integration]
+    N4(Ethical Guidelines)
+    N5[[Industrial Surveillance]]
+    N6(CCTV Monitoring)
+    N7[/Anomaly Detection/]
+    N8[Drone Surveillance]
+    N9(Satellite Imaging)
+    N10[Real_time Alerts]
+    N11(Thermal Imaging)
+    N12[(Audio Surveillance)]
+    N13[Border Surveillance]
+    N14[[Cyber Surveillance]]
+    N15[(Mobile Phone Interception)]
+    N16[Perimeter Security]
+    N17(Behavioral Analytics)
+    N18([end])
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph GPS Tracking
+        nest0_0[(Data Storage and Retention)]
+        nest0_1[/Sensor Network Deployment/]
+    end
+    subgraph Pattern Recognition
+        nest1_0[/Predictive Policing/]
+        nest1_1[/Social Media Monitoring/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> |yes| N11
+    N11 -.-> |no| N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    N16 --> N17
+    N17 -.-> N18
+    nest0_0 --> nest0_1
+    N11 --> nest0_0
+    nest0_1 --> N18
+    nest1_0 -.-> |no| nest1_1
+    N11 -.-> nest1_0
+    nest1_1 -.-> N5
+    N5 --> S2
+    S2 -.-> N13
+    S2 -.-> N18
+    S2 -.-> N15
+    S2 -.-> N7
+    N6 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N8
+    N1 --> M1
+    N0 -.-> M1
+    M1 --> N3
+    style S2 fill:#FBE9E7,stroke:#FF8A65
+    style M0 fill:#BBDEFB,stroke:#2196F3
+    style M1 fill:#FFCDD2,stroke:#F44336
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F44336,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_820.txt b/train/mermaid/hard/mermaid_820.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a43ce161164a97517b73005e78f13005981234e3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_820.txt
@@ -0,0 +1,36 @@
+<Anomaly Detection, connectedTo, Drone Surveillance>
+<Audio Surveillance, connectedTo, Border Surveillance>
+<Behavioral Analytics, connectedTo, end>
+<Border Surveillance, connectedTo, Cyber Surveillance>
+<CCTV Monitoring, connectedTo, Anomaly Detection>
+<CCTV Monitoring, connectedTo, Drone Surveillance>
+<Cyber Surveillance, connectedTo, Mobile Phone Interception>
+<Data Storage and Retention, connectedTo, Sensor Network Deployment>
+<Data Storage and Retention, partOf, GPS Tracking>
+<Drone Surveillance, connectedTo, Satellite Imaging>
+<Ethical Guidelines, connectedTo, Industrial Surveillance>
+<Industrial Surveillance, connectedTo, Anomaly Detection>
+<Industrial Surveillance, connectedTo, Border Surveillance>
+<Industrial Surveillance, connectedTo, CCTV Monitoring>
+<Industrial Surveillance, connectedTo, Mobile Phone Interception>
+<Industrial Surveillance, connectedTo, end>
+<Internet Traffic Monitoring, connectedTo, Physical Security Integration>
+<Legal Compliance, connectedTo, Drone Surveillance>
+<Legal Compliance, connectedTo, Internet Traffic Monitoring>
+<Legal Compliance, connectedTo, Physical Security Integration>
+<Mobile Phone Interception, connectedTo, Perimeter Security>
+<Perimeter Security, connectedTo, Behavioral Analytics>
+<Physical Security Integration, yes, Ethical Guidelines>
+<Predictive Policing, no, Social Media Monitoring>
+<Predictive Policing, partOf, Pattern Recognition>
+<Real_time Alerts, yes, Thermal Imaging>
+<Satellite Imaging, connectedTo, Real_time Alerts>
+<Sensor Network Deployment, connectedTo, end>
+<Sensor Network Deployment, partOf, GPS Tracking>
+<Social Media Monitoring, connectedTo, Industrial Surveillance>
+<Social Media Monitoring, partOf, Pattern Recognition>
+<Thermal Imaging, connectedTo, Data Storage and Retention>
+<Thermal Imaging, connectedTo, Predictive Policing>
+<Thermal Imaging, no, Audio Surveillance>
+<start, connectedTo, Legal Compliance>
+<start, connectedTo, Physical Security Integration>
diff --git a/train/mermaid/hard/mermaid_823.mmd b/train/mermaid/hard/mermaid_823.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..67c57a211ccc4ecc89efd13ac82e22b2aaab56ed
--- /dev/null
+++ b/train/mermaid/hard/mermaid_823.mmd
@@ -0,0 +1,150 @@
+graph TD
+    N0([start])
+    N1([Real_time Alerts])
+    N2[Biometric Data Analysis]
+    N3[(Anomaly Detection)]
+    N4{Network Monitoring}
+    N5[Drone Surveillance]
+    N6(Behavioral Analytics)
+    N7[/Legal Compliance/]
+    N8([Environmental Monitoring])
+    N9[[Security Personnel Operations]]
+    N10[/Wildlife Tracking/]
+    N11[Video Analytics]
+    N12[[Public Space Monitoring]]
+    N13{Facial Recognition Systems}
+    N14[Social Media Monitoring]
+    N15[Predictive Policing]
+    N16([Traffic Surveillance])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    M2(( ))
+    subgraph CCTV Monitoring
+        nest0_0[(Ethical Guidelines)]
+        nest0_1[[Asset Tracking]]
+        nest0_2[[Mobile Phone Interception]]
+    end
+    subgraph Perimeter Security
+        nest1_0(GPS Tracking)
+        nest1_1([Pattern Recognition])
+        nest1_2[[Internet Traffic Monitoring]]
+        nest1_3(Thermal Imaging)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |filters| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |retrieves| N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    nest0_0 --> |identifies| nest0_1
+    nest0_1 -.-> nest0_2
+    N3 --> nest0_0
+    nest0_2 -.-> N12
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N8 -.-> nest1_0
+    nest1_3 -.-> N15
+    N5 -.-> S0
+    S0 --> N10
+    S0 -.-> N16
+    S0 -.-> |protects| N7
+    N1 -.-> S1
+    S1 -.-> N6
+    S1 --> N15
+    N9 -.-> S2
+    S2 -.-> N14
+    S2 -.-> N12
+    S2 -.-> N11
+    N3 -.-> M1
+    N1 -.-> M1
+    N2 --> M1
+    M1 -.-> N6
+    N0 --> M2
+    N1 --> M2
+    M2 -.-> N3
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#F3E5F5,stroke:#AB47BC
+    style N2 fill:#ECF0FD,stroke:#B8C0F5
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#F3E5F5,stroke:#AB47BC
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#FBE9E7,stroke:#FF8A65
+    style N10 fill:#FBE9E7,stroke:#FF8A65
+    style N11 fill:#FBE9E7,stroke:#FF8A65
+    style N12 fill:#F3E5F5,stroke:#AB47BC
+    style N13 fill:#ECF0FD,stroke:#B8C0F5
+    style N14 fill:#FBE9E7,stroke:#FF8A65
+    style N15 fill:#FBE9E7,stroke:#FF8A65
+    style N16 fill:#ECF0FD,stroke:#B8C0F5
+    style S0 fill:#FBE9E7,stroke:#FF8A65
+    style S1 fill:#FBE9E7,stroke:#FF8A65
+    style S2 fill:#F3E5F5,stroke:#AB47BC
+    style M1 fill:#FBE9E7,stroke:#FF8A65
+    style M2 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_1 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_2 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_0 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_1 fill:#F3E5F5,stroke:#AB47BC
+    style nest1_2 fill:#F3E5F5,stroke:#AB47BC
+    style nest1_3 fill:#FBE9E7,stroke:#FF8A65
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_826.txt b/train/mermaid/hard/mermaid_826.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2daf2b579c61b26e3ca2e560ef4b8b50c7028d42
--- /dev/null
+++ b/train/mermaid/hard/mermaid_826.txt
@@ -0,0 +1,30 @@
+<Behavioral Science in Prevention, partOf, Reintegration Programs>
+<Behavioral Science in Prevention, technologies_deploys, Cybercrime Prevention>
+<Community Policing, connectedTo, Burglary Prevention>
+<Community Policing, connectedTo, Deterrence Strategies>
+<Community Policing, partOf, Reintegration Programs>
+<Crime Data Analysis, connectedTo, Drug Prevention Initiatives>
+<Crime Data Analysis, partOf, Hotspot Policing>
+<Crime Prevention Through Education, connectedTo, Community Policing>
+<Crime Prevention Through Education, connectedTo, Identity Theft Prevention>
+<Crime Prevention Through Education, connectedTo, Target Hardening>
+<Cybercrime Prevention, connectedTo, Police_Community Relations>
+<Cybercrime Prevention, partOf, Reintegration Programs>
+<Deterrence Strategies, connectedTo, Behavioral Science in Prevention>
+<Deterrence Strategies, partOf, Reintegration Programs>
+<Drug Prevention Initiatives, connectedTo, Mediation Services>
+<Drug Prevention Initiatives, partOf, Hotspot Policing>
+<Gang Intervention, connectedTo, Crime Prevention Through Education>
+<Gang Intervention, connectedTo, Identity Theft Prevention>
+<Gang Intervention, connectedTo, Neighborhood Watch Programs>
+<Gang Intervention, connectedTo, Public Awareness Campaigns>
+<Identity Theft Prevention, connectedTo, Neighborhood Watch Programs>
+<Mediation Services, connectedTo, Crime Prevention Through Education>
+<Mediation Services, partOf, Hotspot Policing>
+<Neighborhood Watch Programs, connectedTo, Public Awareness Campaigns>
+<Police_Community Relations, connectedTo, Gang Intervention>
+<Police_Community Relations, connectedTo, Public Awareness Campaigns>
+<Public Awareness Campaigns, connectedTo, Burglary Prevention>
+<Target Hardening, connectedTo, Crime Data Analysis>
+<Target Hardening, partOf, Hotspot Policing>
+<start, connectedTo, Police_Community Relations>
diff --git a/train/mermaid/hard/mermaid_829.txt b/train/mermaid/hard/mermaid_829.txt
new file mode 100644
index 0000000000000000000000000000000000000000..95095ad8c94712c94e0737c7e27ae414c559980d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_829.txt
@@ -0,0 +1,46 @@
+<Behavioral Science in Prevention, connectedTo, Gang Intervention>
+<Burglary Prevention, connectedTo, Deterrence Strategies>
+<Burglary Prevention, connectedTo, Identity Theft Prevention>
+<Community Policing, connectedTo, Law Enforcement Training>
+<Crime Data Analysis, connectedTo, Burglary Prevention>
+<Crime Prevention Through Education, connectedTo, Police_Community Relations>
+<Crime Prevention Through Education, connectedTo, Robbery Prevention>
+<Crime Prevention Through Education, connectedTo, School Safety Programs>
+<Crime Prevention Through Education, connectedTo, Victim Support Services>
+<Crisis Intervention, connectedTo, Situational Crime Prevention>
+<Crisis Intervention, partOf, Security Lighting>
+<Cybercrime Prevention, laws_enforces, Behavioral Science in Prevention>
+<Deterrence Strategies, connectedTo, Behavioral Science in Prevention>
+<Deterrence Strategies, connectedTo, Cybercrime Prevention>
+<Deterrence Strategies, connectedTo, Robbery Prevention>
+<Deterrence Strategies, connectedTo, Sexual Assault Prevention>
+<Deterrence Strategies, connectedTo, Victim Support Services>
+<Early Intervention Programs, connectedTo, Crime Data Analysis>
+<Early Intervention Programs, partOf, Environmental Design>
+<Gang Intervention, connectedTo, Crisis Intervention>
+<Gang Intervention, connectedTo, School Safety Programs>
+<Gun Violence Prevention, connectedTo, Crime Data Analysis>
+<Gun Violence Prevention, partOf, Security Lighting>
+<Identity Theft Prevention, connectedTo, Deterrence Strategies>
+<Law Enforcement Training, connectedTo, Public Awareness Campaigns>
+<Mediation Services, connectedTo, Gun Violence Prevention>
+<Mediation Services, partOf, Security Lighting>
+<Neighborhood Watch Programs, connectedTo, Community Policing>
+<Neighborhood Watch Programs, connectedTo, Deterrence Strategies>
+<Neighborhood Watch Programs, connectedTo, Victim Support Services>
+<Police_Community Relations, connectedTo, Deterrence Strategies>
+<Police_Community Relations, connectedTo, Vehicle Theft Prevention>
+<Public Awareness Campaigns, connectedTo, Crime Data Analysis>
+<Public Awareness Campaigns, connectedTo, Victim Support Services>
+<Robbery Prevention, connectedTo, Sexual Assault Prevention>
+<Robbery Prevention, connectedTo, Victim Support Services>
+<School Safety Programs, connectedTo, Technology for Prevention>
+<School Safety Programs, connectedTo, Victim Support Services>
+<Sexual Assault Prevention, supports_victims, Cybercrime Prevention>
+<Situational Crime Prevention, connectedTo, Mediation Services>
+<Situational Crime Prevention, partOf, Security Lighting>
+<Technology for Prevention, connectedTo, Early Intervention Programs>
+<Technology for Prevention, partOf, Environmental Design>
+<Vehicle Theft Prevention, connectedTo, Neighborhood Watch Programs>
+<start, connectedTo, Crime Prevention Through Education>
+<start, connectedTo, Deterrence Strategies>
diff --git a/train/mermaid/hard/mermaid_831.txt b/train/mermaid/hard/mermaid_831.txt
new file mode 100644
index 0000000000000000000000000000000000000000..051d23d955dab69fbfee6e179d883107b3dadd9b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_831.txt
@@ -0,0 +1,41 @@
+<Behavioral Science in Prevention, connectedTo, Security Lighting>
+<Behavioral Science in Prevention, partOf, Sexual Assault Prevention>
+<Burglary Prevention, connectedTo, Cybercrime Prevention>
+<Burglary Prevention, connectedTo, Environmental Design>
+<Burglary Prevention, connectedTo, Reintegration Programs>
+<Burglary Prevention, connectedTo, Situational Crime Prevention>
+<Burglary Prevention, connectedTo, end>
+<Conflict Resolution Training, connectedTo, Policy Development for Prevention>
+<Crime Data Analysis, connectedTo, Fraud Prevention>
+<Cybercrime Prevention, connectedTo, Reintegration Programs>
+<Environmental Design, connectedTo, Situational Crime Prevention>
+<Fraud Prevention, connectedTo, Target Hardening>
+<Gang Intervention, connectedTo, Behavioral Science in Prevention>
+<Gang Intervention, partOf, Sexual Assault Prevention>
+<Gun Violence Prevention, connectedTo, Victim Support Services>
+<Gun Violence Prevention, connectedTo, Youth Programs>
+<Neighborhood Watch Programs, connectedTo, Gang Intervention>
+<Neighborhood Watch Programs, partOf, Sexual Assault Prevention>
+<Patrol Operations, connectedTo, Restorative Justice>
+<Patrol Operations, partOf, Drug Prevention Initiatives>
+<Police_Community Relations, connectedTo, Rehabilitation Programs>
+<Police_Community Relations, connectedTo, Victim Support Services>
+<Policy Development for Prevention, connectedTo, Burglary Prevention>
+<Policy Development for Prevention, connectedTo, Environmental Design>
+<Policy Development for Prevention, connectedTo, Reintegration Programs>
+<Policy Development for Prevention, connectedTo, Technology for Prevention>
+<Policy Development for Prevention, connectedTo, end>
+<Rehabilitation Programs, connectedTo, Gun Violence Prevention>
+<Rehabilitation Programs, connectedTo, Victim Support Services>
+<Reintegration Programs, connectedTo, Environmental Design>
+<Restorative Justice, connectedTo, Crime Data Analysis>
+<Restorative Justice, partOf, Drug Prevention Initiatives>
+<Security Lighting, partOf, Sexual Assault Prevention>
+<Security Lighting, secures, Technology for Prevention>
+<Situational Crime Prevention, connectedTo, end>
+<Target Hardening, connectedTo, Burglary Prevention>
+<Technology for Prevention, connectedTo, Crime Data Analysis>
+<Technology for Prevention, connectedTo, Patrol Operations>
+<Victim Support Services, connectedTo, Conflict Resolution Training>
+<Youth Programs, connectedTo, Neighborhood Watch Programs>
+<Youth Programs, connectedTo, Victim Support Services>
diff --git a/train/mermaid/hard/mermaid_833.txt b/train/mermaid/hard/mermaid_833.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7039618edde5d55a639f5931f90140b66e77fc6d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_833.txt
@@ -0,0 +1,41 @@
+<Anti_Poaching Operations, connectedTo, Captive Breeding Programs>
+<Anti_Poaching Operations, connectedTo, Genetic Diversity Analysis>
+<Captive Breeding Programs, connectedTo, Conservation Genetics>
+<Captive Breeding Programs, connectedTo, Genetic Diversity Analysis>
+<Captive Breeding Programs, connectedTo, International Treaties Enforcement>
+<Captive Breeding Programs, connectedTo, Marine Conservation>
+<Captive Breeding Programs, connectedTo, Population Dynamics Study>
+<Captive Breeding Programs, connectedTo, Rewilding Initiatives>
+<Captive Breeding Programs, connectedTo, Wildlife Rescue and Rehabilitation>
+<Carbon Sequestration in Habitats, connectedTo, end>
+<Community Engagement, connectedTo, Conservation Genetics>
+<Community Engagement, partOf, Ecological Survey>
+<Conservation Genetics, connectedTo, Rewilding Initiatives>
+<Disease Surveillance, connectedTo, Species Monitoring>
+<Freshwater Conservation, connectedTo, Law Enforcement>
+<Freshwater Conservation, connectedTo, Wetland Restoration>
+<Fundraising for Conservation, connectedTo, Wetland Restoration>
+<Fundraising for Conservation, partOf, Translocation of Species>
+<Genetic Diversity Analysis, connectedTo, Conservation Genetics>
+<Genetic Diversity Analysis, connectedTo, Rewilding Initiatives>
+<International Treaties Enforcement, connectedTo, Genetic Diversity Analysis>
+<International Treaties Enforcement, connectedTo, Pollution Impact Assessment>
+<Law Enforcement, connectedTo, Community Engagement>
+<Law Enforcement, partOf, Ecological Survey>
+<Marine Conservation, connectedTo, Fundraising for Conservation>
+<Marine Conservation, partOf, Translocation of Species>
+<Pollution Impact Assessment, connectedTo, Genetic Diversity Analysis>
+<Pollution Impact Assessment, connectedTo, Rewilding Initiatives>
+<Population Dynamics Study, connectedTo, Carbon Sequestration in Habitats>
+<Population Dynamics Study, connectedTo, Freshwater Conservation>
+<Population Dynamics Study, connectedTo, Wetland Restoration>
+<Population Dynamics Study, connectedTo, end>
+<Population Dynamics Study, rescues, Wildlife Rescue and Rehabilitation>
+<Remote Sensing for Conservation, connectedTo, Carbon Sequestration in Habitats>
+<Rewilding Initiatives, connectedTo, Population Dynamics Study>
+<Species Monitoring, connectedTo, Carbon Sequestration in Habitats>
+<Species Monitoring, connectedTo, Remote Sensing for Conservation>
+<Species Monitoring, connectedTo, Wildlife Rescue and Rehabilitation>
+<Species Monitoring, connectedTo, end>
+<Wetland Restoration, connectedTo, Disease Surveillance>
+<Wildlife Rescue and Rehabilitation, connectedTo, Remote Sensing for Conservation>
diff --git a/train/mermaid/hard/mermaid_834.mmd b/train/mermaid/hard/mermaid_834.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3074a1cda8d6bf8125624a7c40c781972c6df4a7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_834.mmd
@@ -0,0 +1,109 @@
+graph LR
+    N0([start])
+    N1[Data Management for Conservation]
+    N2[/Climate Change Adaptation for Wildlife/]
+    N3{Species Monitoring}
+    N4[Habitat Restoration]
+    N5[Remote Sensing for Conservation]
+    N6(Protected Area Management)
+    N7(Reintroduction Programs)
+    N8(Conservation Genetics)
+    N9[/Anti_Poaching Operations/]
+    N10([Forestry Practices for Conservation])
+    N11[Human_Wildlife Conflict Mitigation]
+    N12[[Conservation Education]]
+    N13(Law Enforcement)
+    N14[(GIS Mapping for Habitats)]
+    N15{Community Engagement}
+    N16{Disease Surveillance}
+    N17(Carbon Sequestration in Habitats)
+    N18([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Ecotourism Management
+        nest0_0{Population Dynamics Study}
+        nest0_1[[Policy Advocacy]]
+        nest0_2(Wetland Restoration)
+    end
+    subgraph Drone_based Monitoring
+        nest1_0[Captive Breeding Programs]
+        nest1_1(Camera Trap Deployment)
+        nest1_2([Pollution Impact Assessment])
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> |no| N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> |yes| N16
+    N16 -.-> N17
+    N17 --> |yes| N18
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N10 -.-> nest0_0
+    nest0_2 --> N7
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> |no| nest1_2
+    N13 -.-> nest1_0
+    nest1_2 -.-> N1
+    N11 -.-> S0
+    S0 --> N16
+    S0 --> N15
+    N8 --> S1
+    S1 --> N11
+    S1 --> N15
+    S1 -.-> N10
+    N4 --> M1
+    N7 --> M1
+    M1 --> N12
+    style S0 fill:#FFECB3,stroke:#FFC107
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style M1 fill:#FFECB3,stroke:#FFC107
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_837.mmd b/train/mermaid/hard/mermaid_837.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ca705744465449ee1d7c10dd7d7519b469423f4b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_837.mmd
@@ -0,0 +1,112 @@
+graph RL
+    N0([Community Engagement])
+    N1[(Research and Development in Conservation)]
+    N2[/Protected Area Management/]
+    N3{Genetic Diversity Analysis}
+    N4(Grassland Conservation)
+    N5[Invasive Species Control]
+    N6{Camera Trap Deployment}
+    N7[/Data Management for Conservation/]
+    N8(Species Monitoring)
+    N9([Climate Change Adaptation for Wildlife])
+    N10[(GIS Mapping for Habitats)]
+    N11(Marine Conservation)
+    N12([Forestry Practices for Conservation])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Conservation Education
+        nest0_0[[Wetland Restoration]]
+        nest0_1(Ecological Survey)
+    end
+    subgraph Ecotourism Management
+        nest1_0(Translocation of Species)
+        nest1_1[International Treaties Enforcement]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    N2 -.-> nest0_0
+    nest0_1 -.-> N12
+    nest1_0 -.-> nest1_1
+    N2 -.-> nest1_0
+    nest1_1 --> N2
+    N2 -.-> S0
+    S0 -.-> N6
+    S0 --> N10
+    S0 -.-> |partners| N12
+    N0 --> S1
+    S1 -.-> N4
+    S1 -.-> N12
+    S1 --> N5
+    N1 --> M0
+    N7 -.-> M0
+    M0 --> N10
+    N0 --> M1
+    N3 -.-> M1
+    M1 --> N6
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#E8F0FF,stroke:#A2D0FF
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#BBDEFB,stroke:#2196F3
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#BBDEFB,stroke:#2196F3
+    style N8 fill:#E8F0FF,stroke:#A2D0FF
+    style N9 fill:#E8F0FF,stroke:#A2D0FF
+    style N10 fill:#FFE88D,stroke:#FFDA4E
+    style N11 fill:#E8F0FF,stroke:#A2D0FF
+    style N12 fill:#BBDEFB,stroke:#2196F3
+    style S0 fill:#BBDEFB,stroke:#2196F3
+    style S1 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#E8F0FF,stroke:#A2D0FF
+    style M1 fill:#E8F0FF,stroke:#A2D0FF
+    style nest0_0 fill:#FFE88D,stroke:#FFDA4E
+    style nest0_1 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_0 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_1 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#2196F3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_838.mmd b/train/mermaid/hard/mermaid_838.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f4cf1ae376b4900f38c476140329411b06ae8828
--- /dev/null
+++ b/train/mermaid/hard/mermaid_838.mmd
@@ -0,0 +1,110 @@
+graph LR
+    N0([start])
+    N1(Wetland Restoration)
+    N2[Ecotourism Management]
+    N3[Rewilding Initiatives]
+    N4[/Satellite Tracking of Animals/]
+    N5[Remote Sensing for Conservation]
+    N6[[Pollution Impact Assessment]]
+    N7(Sustainable Resource Management)
+    N8([Disease Surveillance])
+    N9[(Wildlife Rescue and Rehabilitation)]
+    N10(Captive Breeding Programs)
+    N11{Grassland Conservation}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Conservation Genetics
+        nest0_0(Freshwater Conservation)
+        nest0_1[Community Engagement]
+    end
+    subgraph International Treaties Enforcement
+        nest1_0[/Invasive Species Control/]
+        nest1_1(Habitat Restoration)
+        nest1_2{Camera Trap Deployment}
+        nest1_3{Forestry Practices for Conservation}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |no| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    N6 --> nest0_0
+    nest0_1 -.-> N2
+    nest1_0 -.-> |yes| nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N4 -.-> |yes| nest1_0
+    nest1_3 -.-> |yes| N6
+    N0 -.-> S0
+    S0 --> N2
+    S0 -.-> N4
+    N6 --> S1
+    S1 -.-> |yes| N9
+    S1 --> N10
+    S1 -.-> |no| N8
+    N2 --> S2
+    S2 --> N5
+    S2 --> N8
+    S2 -.-> N11
+    N0 --> M0
+    N6 -.-> M0
+    N3 -.-> M0
+    M0 --> N10
+    N2 -.-> M1
+    N4 --> M1
+    N0 -.-> M1
+    M1 -.-> N6
+    style S0 fill:#FAEBF3,stroke:#F7BEE0
+    style S1 fill:#F1F8FF,stroke:#42A5F5
+    style S2 fill:#FAEBF3,stroke:#F7BEE0
+    style M0 fill:#FAEBF3,stroke:#F7BEE0
+    style M1 fill:#ECCFF5,stroke:#CD8FF2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_839.mmd b/train/mermaid/hard/mermaid_839.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fe745e7b4587e951c28e28546b84a60ede2a6888
--- /dev/null
+++ b/train/mermaid/hard/mermaid_839.mmd
@@ -0,0 +1,128 @@
+graph LR
+    N0([start])
+    N1[/Grassland Conservation/]
+    N2(Climate Change Adaptation for Wildlife)
+    N3(Genetic Diversity Analysis)
+    N4(Habitat Restoration)
+    N5[/Remote Sensing for Conservation/]
+    N6([Anti_Poaching Operations])
+    N7([Ecosystem Services Valuation])
+    N8(Marine Conservation)
+    N9{Wildlife Rescue and Rehabilitation}
+    N10(Ecological Survey)
+    N11[Reintroduction Programs]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Freshwater Conservation
+        nest0_0{Rewilding Initiatives}
+        nest0_1[/Pollution Impact Assessment/]
+    end
+    subgraph Conservation Genetics
+        nest1_0([Human_Wildlife Conflict Mitigation])
+        nest1_1{Forestry Practices for Conservation}
+        nest1_2[/GIS Mapping for Habitats/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |legal_enforces| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    nest0_0 -.-> nest0_1
+    N4 -.-> nest0_0
+    nest0_1 -.-> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N10 --> nest1_0
+    nest1_2 -.-> N9
+    N5 -.-> S0
+    S0 --> N11
+    S0 -.-> |reports| N9
+    N2 --> S1
+    S1 --> |data_collects| N8
+    S1 --> N4
+    N1 -.-> S2
+    S2 -.-> N10
+    S2 --> N11
+    N3 -.-> M0
+    N0 -.-> M0
+    M0 --> N5
+    N2 -.-> M1
+    N8 -.-> M1
+    N6 --> M1
+    M1 --> N10
+    N4 --> M2
+    N3 --> M2
+    N6 --> M2
+    M2 -.-> N10
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#E8F0EA,stroke:#92C79A
+    style N3 fill:#E8F0EA,stroke:#92C79A
+    style N4 fill:#E8F0EA,stroke:#92C79A
+    style N5 fill:#E1BEE7,stroke:#9C27B0
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#E8F0EA,stroke:#92C79A
+    style N8 fill:#E1BEE7,stroke:#9C27B0
+    style N9 fill:#E1BEE7,stroke:#9C27B0
+    style N10 fill:#E8F0EA,stroke:#92C79A
+    style N11 fill:#E8F0EA,stroke:#92C79A
+    style S0 fill:#E1BEE7,stroke:#9C27B0
+    style S1 fill:#BBDEFB,stroke:#2196F3
+    style S2 fill:#E1BEE7,stroke:#9C27B0
+    style M0 fill:#BBDEFB,stroke:#2196F3
+    style M1 fill:#E8F0EA,stroke:#92C79A
+    style M2 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_0 fill:#E8F0EA,stroke:#92C79A
+    style nest0_1 fill:#BBDEFB,stroke:#2196F3
+    style nest1_0 fill:#E8F0EA,stroke:#92C79A
+    style nest1_1 fill:#E1BEE7,stroke:#9C27B0
+    style nest1_2 fill:#E8F0EA,stroke:#92C79A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#92C79A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_842.png b/train/mermaid/hard/mermaid_842.png
new file mode 100644
index 0000000000000000000000000000000000000000..a83b29d3a10753819dc5b6d11a99215648ceb716
--- /dev/null
+++ b/train/mermaid/hard/mermaid_842.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:536d4d4ada8a58ca8526ee17fda9f7c09af7f9f8bdbe478cc16c56e0f2afaffb
+size 369229
diff --git a/train/mermaid/hard/mermaid_844.mmd b/train/mermaid/hard/mermaid_844.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4e5ed3c5bf277a7cd3ce766657d13f4f33059b07
--- /dev/null
+++ b/train/mermaid/hard/mermaid_844.mmd
@@ -0,0 +1,106 @@
+graph RL
+    N0([Buoy Deployment])
+    N1([Polar Oceanography])
+    N2[[Deep_Sea Exploration]]
+    N3{Coral Reef Monitoring}
+    N4(Underwater Acoustics)
+    N5[(Marine Protected Area Planning)]
+    N6(Marine Life Observation)
+    N7[(Ocean Carbon Cycle)]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Ocean Current Measurement
+        nest0_0[/Marine Biodiversity Assessment/]
+        nest0_1{Ocean Renewable Energy}
+        nest0_2[/Salinity Measurement/]
+        nest0_3{Satellite Oceanography}
+    end
+    subgraph Chemical Oceanography
+        nest1_0(Marine Geology)
+        nest1_1(Ocean Drilling Programs)
+        nest1_2[/ROV or AUV Operations/]
+        nest1_3[Hydrothermal Vent Exploration]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N1 --> nest0_0
+    nest0_3 -.-> N7
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N1 --> nest1_0
+    nest1_3 --> N6
+    N2 -.-> S0
+    S0 --> N6
+    S0 -.-> N4
+    S0 -.-> N5
+    N1 --> S1
+    S1 -.-> N3
+    S1 -.-> N5
+    N1 -.-> M0
+    N2 --> M0
+    M0 --> N4
+    N5 -.-> M1
+    N1 -.-> M1
+    M1 -.-> N7
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#EDF5F3,stroke:#A1D7CD
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style S0 fill:#F0F0F0,stroke:#D2D2D2
+    style S1 fill:#F0F0F0,stroke:#D2D2D2
+    style M0 fill:#FBE9E7,stroke:#FF8A65
+    style M1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_0 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_1 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_2 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_3 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest1_1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest1_2 fill:#EDF5F3,stroke:#A1D7CD
+    style nest1_3 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_845.txt b/train/mermaid/hard/mermaid_845.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c269d262d64713ca6af183d672b9ee3f72cfbfd7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_845.txt
@@ -0,0 +1,45 @@
+<Acoustic Oceanography, connectedTo, Ocean Floor Mapping>
+<Biological Oceanography, connectedTo, Acoustic Oceanography>
+<Climate Change Impact Study, connectedTo, Fisheries Management>
+<Coastal Erosion Research, connectedTo, Biological Oceanography>
+<Coastal Erosion Research, partOf, Ocean Acidification Research>
+<Coastal Zone Management, connectedTo, Satellite Oceanography>
+<Coastal Zone Management, connectedTo, end>
+<Data Visualization, connectedTo, Marine Biodiversity Assessment>
+<Data Visualization, connectedTo, Ocean Modeling>
+<Data Visualization, connectedTo, Sediment Analysis>
+<Deep_Sea Exploration, connectedTo, Hydrothermal Vent Exploration>
+<Fisheries Management, connectedTo, Biological Oceanography>
+<Hydrothermal Vent Exploration, connectedTo, Climate Change Impact Study>
+<Marine Biodiversity Assessment, connectedTo, Acoustic Oceanography>
+<Marine Biodiversity Assessment, connectedTo, Hydrothermal Vent Exploration>
+<Marine Biodiversity Assessment, connectedTo, Ocean Carbon Cycle>
+<Marine Biodiversity Assessment, connectedTo, Ocean Floor Mapping>
+<Marine Biodiversity Assessment, connectedTo, Ocean Renewable Energy>
+<Marine Ecosystem Health, connectedTo, Marine Pollution Monitoring>
+<Marine Ecosystem Health, partOf, Marine Remote Sensing>
+<Marine Geology, connectedTo, Deep_Sea Exploration>
+<Marine Hazards Assessment, connectedTo, Marine Biodiversity Assessment>
+<Marine Hazards Assessment, connectedTo, Marine Protected Area Planning>
+<Marine Hazards Assessment, connectedTo, Sediment Analysis>
+<Marine Life Observation, connectedTo, Tsunami Prediction>
+<Marine Pollution Monitoring, connectedTo, Tsunami Prediction>
+<Marine Pollution Monitoring, partOf, Marine Remote Sensing>
+<Marine Protected Area Planning, connectedTo, Sediment Analysis>
+<Ocean Carbon Cycle, connectedTo, Marine Life Observation>
+<Ocean Drilling Programs, connectedTo, Acoustic Oceanography>
+<Ocean Drilling Programs, connectedTo, Marine Biodiversity Assessment>
+<Ocean Drilling Programs, connectedTo, Marine Geology>
+<Ocean Drilling Programs, connectedTo, Ocean Renewable Energy>
+<Ocean Drilling Programs, connectedTo, end>
+<Ocean Floor Mapping, connectedTo, Ocean Carbon Cycle>
+<Ocean Modeling, connectedTo, Marine Biodiversity Assessment>
+<Ocean Modeling, connectedTo, Marine Hazards Assessment>
+<Ocean Modeling, connectedTo, Sediment Analysis>
+<Ocean Renewable Energy, connectedTo, Marine Geology>
+<Satellite Oceanography, connectedTo, Coastal Erosion Research>
+<Satellite Oceanography, partOf, Ocean Acidification Research>
+<Sediment Analysis, connectedTo, Underwater Acoustics>
+<Tsunami Prediction, connectedTo, Coastal Zone Management>
+<Tsunami Prediction, connectedTo, Marine Ecosystem Health>
+<Underwater Acoustics, connectedTo, Ocean Drilling Programs>
diff --git a/train/mermaid/hard/mermaid_847.mmd b/train/mermaid/hard/mermaid_847.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..84d36aab3e38fa02920cb663ca75c6ddfc9ce1e3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_847.mmd
@@ -0,0 +1,138 @@
+graph TD
+    N0([start])
+    N1[/Underwater Acoustics/]
+    N2[Ocean Temperature Sensing]
+    N3[Sea Level Monitoring]
+    N4[Marine Life Observation]
+    N5[/Fisheries Management/]
+    N6[(ROV or AUV Operations)]
+    N7{Ocean Renewable Energy}
+    N8[Marine Geology]
+    N9{Polar Oceanography}
+    N10{Chemical Oceanography}
+    N11(Ocean Floor Mapping)
+    N12[(Marine Protected Area Planning)]
+    N13{Ocean Drilling Programs}
+    N14(Coastal Zone Management)
+    N15[[Salinity Measurement]]
+    N16[Climate Change Impact Study]
+    N17([Buoy Deployment])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Coral Reef Monitoring
+        nest0_0[(Deep_Sea Exploration)]
+        nest0_1[[Satellite Oceanography]]
+    end
+    subgraph Data Visualization
+        nest1_0[Marine Biodiversity Assessment]
+        nest1_1[Coastal Erosion Research]
+        nest1_2[Ocean Data Archiving]
+        nest1_3[(Seabed Resource Exploration)]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> |tides| N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 -.-> N16
+    N16 -.-> N17
+    nest0_0 --> |surveys| nest0_1
+    N13 -.-> nest0_0
+    nest0_1 --> N11
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> |salinity| nest1_3
+    N3 -.-> nest1_0
+    nest1_3 -.-> |simulates| N10
+    N14 --> S0
+    S0 -.-> |temperature| N17
+    S0 -.-> N16
+    N2 --> S1
+    S1 -.-> N12
+    S1 --> N10
+    N0 --> M0
+    N2 --> M0
+    M0 -.-> N5
+    N3 -.-> M1
+    N11 -.-> M1
+    N1 --> |forecasts| M1
+    M1 -.-> N16
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#FFDCD6,stroke:#FFB2A5
+    style N2 fill:#FFDCD6,stroke:#FFB2A5
+    style N3 fill:#FFDCD6,stroke:#FFB2A5
+    style N4 fill:#FFDCD6,stroke:#FFB2A5
+    style N5 fill:#C9EFEC,stroke:#6FE1D5
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#C9EFEC,stroke:#6FE1D5
+    style N8 fill:#C9EFEC,stroke:#6FE1D5
+    style N9 fill:#FFF3E0,stroke:#FFA726
+    style N10 fill:#C9EFEC,stroke:#6FE1D5
+    style N11 fill:#FFDCD6,stroke:#FFB2A5
+    style N12 fill:#FFF3E0,stroke:#FFA726
+    style N13 fill:#FFDCD6,stroke:#FFB2A5
+    style N14 fill:#C9EFEC,stroke:#6FE1D5
+    style N15 fill:#FFDCD6,stroke:#FFB2A5
+    style N16 fill:#C9EFEC,stroke:#6FE1D5
+    style N17 fill:#FFF3E0,stroke:#FFA726
+    style S0 fill:#C9EFEC,stroke:#6FE1D5
+    style S1 fill:#C9EFEC,stroke:#6FE1D5
+    style M0 fill:#FFDCD6,stroke:#FFB2A5
+    style M1 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_0 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_1 fill:#FFDCD6,stroke:#FFB2A5
+    style nest1_0 fill:#C9EFEC,stroke:#6FE1D5
+    style nest1_1 fill:#FFF3E0,stroke:#FFA726
+    style nest1_2 fill:#FFDCD6,stroke:#FFB2A5
+    style nest1_3 fill:#C9EFEC,stroke:#6FE1D5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#6FE1D5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_847.txt b/train/mermaid/hard/mermaid_847.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5e801b232f2be7372c9129d0de8d0691553ea81
--- /dev/null
+++ b/train/mermaid/hard/mermaid_847.txt
@@ -0,0 +1,40 @@
+<Chemical Oceanography, connectedTo, Ocean Floor Mapping>
+<Climate Change Impact Study, connectedTo, Buoy Deployment>
+<Coastal Erosion Research, connectedTo, Ocean Data Archiving>
+<Coastal Erosion Research, partOf, Data Visualization>
+<Coastal Zone Management, connectedTo, Climate Change Impact Study>
+<Coastal Zone Management, connectedTo, Salinity Measurement>
+<Coastal Zone Management, temperature, Buoy Deployment>
+<Deep_Sea Exploration, partOf, Coral Reef Monitoring>
+<Deep_Sea Exploration, surveys, Satellite Oceanography>
+<Fisheries Management, connectedTo, ROV or AUV Operations>
+<Marine Biodiversity Assessment, connectedTo, Coastal Erosion Research>
+<Marine Biodiversity Assessment, partOf, Data Visualization>
+<Marine Geology, connectedTo, Polar Oceanography>
+<Marine Life Observation, connectedTo, Fisheries Management>
+<Marine Protected Area Planning, connectedTo, Ocean Drilling Programs>
+<Ocean Data Archiving, partOf, Data Visualization>
+<Ocean Data Archiving, salinity, Seabed Resource Exploration>
+<Ocean Drilling Programs, connectedTo, Coastal Zone Management>
+<Ocean Drilling Programs, connectedTo, Deep_Sea Exploration>
+<Ocean Floor Mapping, connectedTo, Climate Change Impact Study>
+<Ocean Floor Mapping, connectedTo, Marine Protected Area Planning>
+<Ocean Renewable Energy, connectedTo, Marine Geology>
+<Ocean Temperature Sensing, connectedTo, Chemical Oceanography>
+<Ocean Temperature Sensing, connectedTo, Fisheries Management>
+<Ocean Temperature Sensing, connectedTo, Marine Protected Area Planning>
+<Ocean Temperature Sensing, connectedTo, Sea Level Monitoring>
+<Polar Oceanography, tides, Chemical Oceanography>
+<ROV or AUV Operations, connectedTo, Ocean Renewable Energy>
+<Salinity Measurement, connectedTo, Climate Change Impact Study>
+<Satellite Oceanography, connectedTo, Ocean Floor Mapping>
+<Satellite Oceanography, partOf, Coral Reef Monitoring>
+<Sea Level Monitoring, connectedTo, Climate Change Impact Study>
+<Sea Level Monitoring, connectedTo, Marine Biodiversity Assessment>
+<Sea Level Monitoring, connectedTo, Marine Life Observation>
+<Seabed Resource Exploration, partOf, Data Visualization>
+<Seabed Resource Exploration, simulates, Chemical Oceanography>
+<Underwater Acoustics, connectedTo, Ocean Temperature Sensing>
+<Underwater Acoustics, forecasts, Climate Change Impact Study>
+<start, connectedTo, Fisheries Management>
+<start, connectedTo, Underwater Acoustics>
diff --git a/train/mermaid/hard/mermaid_853.mmd b/train/mermaid/hard/mermaid_853.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a85a2d1122c28b792d7b7a0e0c8cc2ceeec20549
--- /dev/null
+++ b/train/mermaid/hard/mermaid_853.mmd
@@ -0,0 +1,128 @@
+graph LR
+    N0([Data Archiving and Distribution])
+    N1(Microseismicity Study)
+    N2([Earthquake Detection])
+    N3(Liquefaction Potential Assessment)
+    N4[Seismic Instrumentation Maintenance]
+    N5(Induced Seismicity Monitoring)
+    N6([Nuclear Test Monitoring])
+    N7[Emergency Preparedness for Earthquakes]
+    N8[(Earth Structure Imaging)]
+    N9(Fault Line Mapping)
+    N10(Magnitude Determination)
+    N11[(Seismic Hazard Assessment)]
+    N12[(Earthquake Early Warning Systems)]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Planetary Seismology
+        nest0_0(Computational Seismology)
+        nest0_1(Ground Motion Prediction)
+        nest0_2([Geophysical Exploration])
+    end
+    subgraph Seismic Network Operations
+        nest1_0{Subsurface Imaging}
+        nest1_1{Glacial Seismology}
+        nest1_2[/Seismic Data Processing/]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 -.-> N10
+    nest1_0 -.-> nest1_1
+    nest1_1 --> |analyzes| nest1_2
+    N3 -.-> nest1_0
+    nest1_2 --> |educates| N3
+    N2 -.-> S0
+    S0 --> N8
+    S0 --> N6
+    N0 -.-> S1
+    S1 --> N6
+    S1 -.-> N4
+    N7 --> S2
+    S2 --> |simulates| N11
+    S2 -.-> |records| N9
+    S2 -.-> |builds_resistant_structures| N12
+    N0 --> M0
+    N3 -.-> M0
+    N1 --> M0
+    M0 -.-> N5
+    N1 --> M1
+    N0 --> M1
+    M1 --> N3
+    style N0 fill:#F9FBE7,stroke:#C0CA33
+    style N1 fill:#F1F8FF,stroke:#42A5F5
+    style N2 fill:#F9FBE7,stroke:#C0CA33
+    style N3 fill:#F9FBE7,stroke:#C0CA33
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#F1F8FF,stroke:#42A5F5
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#F1F8FF,stroke:#42A5F5
+    style N8 fill:#EDE7F6,stroke:#9575CD
+    style N9 fill:#F1F8FF,stroke:#42A5F5
+    style N10 fill:#F9FBE7,stroke:#C0CA33
+    style N11 fill:#F9FBE7,stroke:#C0CA33
+    style N12 fill:#F9FBE7,stroke:#C0CA33
+    style S0 fill:#EDE7F6,stroke:#9575CD
+    style S1 fill:#EDE7F6,stroke:#9575CD
+    style S2 fill:#F1F8FF,stroke:#42A5F5
+    style M0 fill:#F9FBE7,stroke:#C0CA33
+    style M1 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_0 fill:#EDE7F6,stroke:#9575CD
+    style nest0_1 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_2 fill:#F1F8FF,stroke:#42A5F5
+    style nest1_0 fill:#EDE7F6,stroke:#9575CD
+    style nest1_1 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_2 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9575CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_856.mmd b/train/mermaid/hard/mermaid_856.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..55e333ee13d07314b6f0a25286a8a39264d027bc
--- /dev/null
+++ b/train/mermaid/hard/mermaid_856.mmd
@@ -0,0 +1,114 @@
+graph TD
+    N0([Seismic Array Deployment])
+    N1[/Tsunami Warning Systems/]
+    N2([Magnitude Determination])
+    N3([Tectonic Plate Movement Monitoring])
+    N4{Glacial Seismology}
+    N5([Volcanic Seismology])
+    N6[Building Code Development]
+    N7{Fault Line Mapping}
+    N8(Epicenter Location)
+    N9[/Data Archiving and Distribution/]
+    N10[P_Wave or S_Wave Distinction]
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Strong Motion Instrumentation
+        nest0_0[(Microseismicity Study)]
+        nest0_1[Seismic Noise Analysis]
+    end
+    subgraph Seismic Wave Analysis
+        nest1_0[[Seismic Risk Mitigation]]
+        nest1_1[/Ground Motion Prediction/]
+        nest1_2[Deep Earth Seismology]
+        nest1_3(Seismic Hazard Assessment)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |receives| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |educates| N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> |notifies| nest0_1
+    N3 --> nest0_0
+    nest0_1 --> N5
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N1 -.-> |develops_technologies| nest1_0
+    nest1_3 -.-> N2
+    N3 --> S0
+    S0 --> N7
+    S0 -.-> N9
+    S0 --> N8
+    N4 -.-> S2
+    S2 -.-> N7
+    S2 --> |predicts| N9
+    S2 -.-> N10
+    N3 --> M0
+    N1 --> M0
+    N2 --> M0
+    M0 --> N5
+    N1 -.-> M1
+    N0 --> M1
+    M1 -.-> N3
+    style N0 fill:#D0EFEE,stroke:#73C6BC
+    style N1 fill:#D0EFEE,stroke:#73C6BC
+    style N2 fill:#D0EFEE,stroke:#73C6BC
+    style N3 fill:#D0EFEE,stroke:#73C6BC
+    style N4 fill:#DDCEDD,stroke:#AF56A6
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#DDCEDD,stroke:#AF56A6
+    style N7 fill:#D0EFEE,stroke:#73C6BC
+    style N8 fill:#DDCEDD,stroke:#AF56A6
+    style N9 fill:#FFFDE7,stroke:#FBC02D
+    style N10 fill:#D0EFEE,stroke:#73C6BC
+    style S0 fill:#DDCEDD,stroke:#AF56A6
+    style S2 fill:#D0EFEE,stroke:#73C6BC
+    style M0 fill:#DDCEDD,stroke:#AF56A6
+    style M1 fill:#DDCEDD,stroke:#AF56A6
+    style nest0_0 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_1 fill:#DDCEDD,stroke:#AF56A6
+    style nest1_0 fill:#FFFDE7,stroke:#FBC02D
+    style nest1_1 fill:#FFFDE7,stroke:#FBC02D
+    style nest1_2 fill:#DDCEDD,stroke:#AF56A6
+    style nest1_3 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#AF56A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_857.png b/train/mermaid/hard/mermaid_857.png
new file mode 100644
index 0000000000000000000000000000000000000000..5ceb121f80b455ed142e51fafc65c719c68568c0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_857.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d91ccce0dd76c08e0af3885f196b4aacba696074fa37de2d11dfbf99daff425b
+size 541548
diff --git a/train/mermaid/hard/mermaid_859.png b/train/mermaid/hard/mermaid_859.png
new file mode 100644
index 0000000000000000000000000000000000000000..d0bda632308a0da75676251ff2df0d5748bdb66a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_859.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da50d6a1a497bd0ef2d62ee3b3b47a0a44f098b6f61cda7af39be57030883789
+size 384560
diff --git a/train/mermaid/hard/mermaid_86.mmd b/train/mermaid/hard/mermaid_86.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fbc5f980597001c0edb6a8d72736f3d20c5d8a58
--- /dev/null
+++ b/train/mermaid/hard/mermaid_86.mmd
@@ -0,0 +1,116 @@
+graph BT
+    N0([Traceability System])
+    N1(Livestock Feeding)
+    N2([Agricultural Research])
+    N3[Weed Removal]
+    N4[Greenhouse Control]
+    N5[/Grain Drying/]
+    N6[[Crop Rotation Planning]]
+    N7{Harvesting}
+    N8(Crop Monitoring)
+    N9([Farm Maintenance])
+    N10(Seed Sowing)
+    N11[(Packaging for Sale)]
+    N12([Organic Certification])
+    N13{Produce Sorting}
+    N14([end])
+    S0(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Irrigation Scheduling
+        nest0_0{Disease Detection}
+        nest0_1[Automated Milking]
+        nest0_2(Subsidy Application)
+    end
+    subgraph Food Processing
+        nest1_0[Soil Testing]
+        nest1_1[[Water Level Measurement]]
+    end
+    N0 --> |prunes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |educates| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N7 -.-> nest0_0
+    nest0_2 --> N11
+    nest1_0 -.-> nest1_1
+    N13 --> nest1_0
+    nest1_1 -.-> N5
+    N9 -.-> S0
+    S0 -.-> N12
+    S0 --> N14
+    S0 --> N11
+    N4 --> M0
+    N1 -.-> M0
+    N2 -.-> M0
+    M0 --> N7
+    N4 -.-> M2
+    N5 -.-> M2
+    M2 -.-> N7
+    style N0 fill:#F5F5DC,stroke:#BCB88A
+    style N1 fill:#F5F5DC,stroke:#BCB88A
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#F5F5DC,stroke:#BCB88A
+    style N5 fill:#DED7F0,stroke:#A188DB
+    style N6 fill:#F5F5DC,stroke:#BCB88A
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#DED7F0,stroke:#A188DB
+    style N9 fill:#ECF0FD,stroke:#B8C0F5
+    style N10 fill:#DED7F0,stroke:#A188DB
+    style N11 fill:#DED7F0,stroke:#A188DB
+    style N12 fill:#DED7F0,stroke:#A188DB
+    style N13 fill:#DED7F0,stroke:#A188DB
+    style N14 fill:#DED7F0,stroke:#A188DB
+    style S0 fill:#DED7F0,stroke:#A188DB
+    style M0 fill:#DED7F0,stroke:#A188DB
+    style M2 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_0 fill:#DED7F0,stroke:#A188DB
+    style nest0_1 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_2 fill:#F5F5DC,stroke:#BCB88A
+    style nest1_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest1_1 fill:#DED7F0,stroke:#A188DB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_860.png b/train/mermaid/hard/mermaid_860.png
new file mode 100644
index 0000000000000000000000000000000000000000..f96df0114cbad6f0f948db3f89ca67a70fd31be2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_860.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ee2c7da4c5fd64c7bcc6200dde6d8b4d3d8a457611a90a63422122c654e46572
+size 380464
diff --git a/train/mermaid/hard/mermaid_862.mmd b/train/mermaid/hard/mermaid_862.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..221c9ab3f15d02be68bb7481ab2d70008e8c8034
--- /dev/null
+++ b/train/mermaid/hard/mermaid_862.mmd
@@ -0,0 +1,120 @@
+graph TD
+    N0([Rare Disease Genomics])
+    N1[Functional Genomics]
+    N2(Population Genomics)
+    N3[(Cloning Technologies)]
+    N4[Biomarker Discovery]
+    N5(Spatial Genomics)
+    N6[(Genomic Data Analysis)]
+    N7{Genomic Data Sharing}
+    N8(Microbial Genomics)
+    N9(Next_Generation Sequencing)
+    N10[Personalized Medicine]
+    N11([Ethical, Legal, and Social Implications])
+    N12[/Genome_Wide Association Studies/]
+    N13([Disease Gene Identification])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M2(( ))
+    subgraph Single_Cell Genomics
+        nest0_0(Data Privacy in Genomics)
+        nest0_1[Methylation Analysis]
+        nest0_2[Epigenomics]
+        nest0_3([CRISPR Gene Drive Research])
+    end
+    subgraph Proteomics
+        nest1_0[/Bioinformatics Pipeline Development/]
+        nest1_1[(Structural Genomics)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |identifies| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    nest0_0 --> |synthesizes| nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N5 -.-> nest0_0
+    nest0_3 -.-> N13
+    nest1_0 -.-> nest1_1
+    N8 -.-> nest1_0
+    nest1_1 --> N4
+    N8 --> S0
+    S0 --> N12
+    S0 --> N13
+    N3 --> S1
+    S1 -.-> |annotates| N5
+    S1 -.-> N11
+    N10 -.-> S2
+    S2 -.-> |therapies_develops| N12
+    S2 --> N13
+    N2 -.-> M2
+    N5 --> M2
+    M2 -.-> N11
+    style N0 fill:#EDE7F6,stroke:#9575CD
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#FDFCEB,stroke:#EAEFA5
+    style N4 fill:#FDFCEB,stroke:#EAEFA5
+    style N5 fill:#FDFCEB,stroke:#EAEFA5
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#FDFCEB,stroke:#EAEFA5
+    style N8 fill:#EDE7F6,stroke:#9575CD
+    style N9 fill:#FDFCEB,stroke:#EAEFA5
+    style N10 fill:#D1C4E9,stroke:#673AB7
+    style N11 fill:#EDE7F6,stroke:#9575CD
+    style N12 fill:#D1C4E9,stroke:#673AB7
+    style N13 fill:#D1C4E9,stroke:#673AB7
+    style S0 fill:#FDFCEB,stroke:#EAEFA5
+    style S1 fill:#D1C4E9,stroke:#673AB7
+    style S2 fill:#EDE7F6,stroke:#9575CD
+    style M2 fill:#EDE7F6,stroke:#9575CD
+    style nest0_0 fill:#D1C4E9,stroke:#673AB7
+    style nest0_1 fill:#D1C4E9,stroke:#673AB7
+    style nest0_2 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_3 fill:#FDFCEB,stroke:#EAEFA5
+    style nest1_0 fill:#D1C4E9,stroke:#673AB7
+    style nest1_1 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#EAEFA5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_863.txt b/train/mermaid/hard/mermaid_863.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26ea508a53138b0b9420479d1983335345d9be52
--- /dev/null
+++ b/train/mermaid/hard/mermaid_863.txt
@@ -0,0 +1,39 @@
+<Bioinformatics Pipeline Development, connectedTo, Long_Read Sequencing>
+<Bioinformatics Pipeline Development, partOf, Biomarker Discovery>
+<Cancer Genomics, connectedTo, Gene Annotation>
+<Cancer Genomics, partOf, Proteomics>
+<Computational Genomics, connectedTo, Functional Genomics>
+<Data Privacy in Genomics, connectedTo, Disease Gene Identification>
+<Functional Genomics, connectedTo, Data Privacy in Genomics>
+<Gene Annotation, connectedTo, Disease Gene Identification>
+<Gene Annotation, partOf, Proteomics>
+<Gene Expression Profiling, connectedTo, Bioinformatics Pipeline Development>
+<Gene Expression Profiling, partOf, Biomarker Discovery>
+<Genetic Counseling, connectedTo, Genomic Editing>
+<Genetic Testing, connectedTo, Genome Assembly>
+<Genome Assembly, connectedTo, Rare Disease Genomics>
+<Genomic Data Visualization, connectedTo, Genetic Counseling>
+<Genomic Data Visualization, diseases_links, Variant Calling>
+<Genomic Editing, diagnoses, Population Genomics>
+<Long_Read Sequencing, connectedTo, Genomic Data Visualization>
+<Long_Read Sequencing, partOf, Biomarker Discovery>
+<Metabolomics, connectedTo, Microbial Genomics>
+<Microbial Genomics, connectedTo, Disease Gene Identification>
+<Microbial Genomics, connectedTo, Spatial Genomics>
+<Microbial Genomics, connectedTo, Variant Calling>
+<Population Genomics, connectedTo, Structural Genomics>
+<Rare Disease Genomics, connectedTo, Cancer Genomics>
+<Rare Disease Genomics, connectedTo, Computational Genomics>
+<Rare Disease Genomics, connectedTo, Disease Gene Identification>
+<Spatial Genomics, synthesizes, Genomic Data Visualization>
+<Structural Genomics, connectedTo, Disease Gene Identification>
+<Structural Genomics, connectedTo, Functional Genomics>
+<Structural Genomics, connectedTo, Genome Assembly>
+<Structural Genomics, connectedTo, Variant Calling>
+<Synthetic Genomics, connectedTo, Genetic Testing>
+<Transcriptomics, connectedTo, Synthetic Genomics>
+<Variant Calling, connectedTo, Gene Expression Profiling>
+<Variant Calling, connectedTo, Transcriptomics>
+<start, connectedTo, Metabolomics>
+<start, connectedTo, Spatial Genomics>
+<start, licenses, Rare Disease Genomics>
diff --git a/train/mermaid/hard/mermaid_864.mmd b/train/mermaid/hard/mermaid_864.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1c00cc8d0b24a4a7c97035f107c486388568af81
--- /dev/null
+++ b/train/mermaid/hard/mermaid_864.mmd
@@ -0,0 +1,110 @@
+graph RL
+    N0([Gene Expression Profiling])
+    N1(Genomic Data Visualization)
+    N2[Comparative Genomics]
+    N3(Cloning Technologies)
+    N4[(Structural Genomics)]
+    N5[/Genome Assembly/]
+    N6[Variant Calling]
+    N7[[Genomic Data Sharing]]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph CRISPR Gene Drive Research
+        nest0_0[[Data Privacy in Genomics]]
+        nest0_1[/Proteomics/]
+        nest0_2{Biomarker Discovery}
+    end
+    subgraph Population Genomics
+        nest1_0[/Personalized Medicine/]
+        nest1_1[Bioinformatics Pipeline Development]
+        nest1_2[Genomic Editing]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N6 --> |genomes_researches| nest0_0
+    nest0_2 --> N7
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N6 -.-> nest1_0
+    nest1_2 --> N1
+    N4 -.-> S0
+    S0 -.-> N7
+    S0 -.-> N6
+    N0 --> S1
+    S1 -.-> N5
+    S1 --> N2
+    N4 -.-> S2
+    S2 --> |regulates| N6
+    S2 -.-> N7
+    N2 -.-> M0
+    N1 --> M0
+    N0 -.-> M0
+    M0 --> N4
+    N3 --> M1
+    N2 -.-> M1
+    N0 --> M1
+    N1 -.-> M1
+    M1 --> N5
+    style N0 fill:#FCFCE7,stroke:#DCE775
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#E8F0FF,stroke:#A2D0FF
+    style N3 fill:#FFF6D9,stroke:#FFCC7A
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#FFF6D9,stroke:#FFCC7A
+    style N6 fill:#FFF6D9,stroke:#FFCC7A
+    style N7 fill:#E8F0FF,stroke:#A2D0FF
+    style S0 fill:#FCFCE7,stroke:#DCE775
+    style S1 fill:#FCFCE7,stroke:#DCE775
+    style S2 fill:#E8F0FF,stroke:#A2D0FF
+    style M0 fill:#E8F0FF,stroke:#A2D0FF
+    style M1 fill:#FCFCE7,stroke:#DCE775
+    style nest0_0 fill:#FCFCE7,stroke:#DCE775
+    style nest0_1 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_2 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_0 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_1 fill:#FCFCE7,stroke:#DCE775
+    style nest1_2 fill:#E8F0FF,stroke:#A2D0FF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_864.png b/train/mermaid/hard/mermaid_864.png
new file mode 100644
index 0000000000000000000000000000000000000000..b30e7740d1a937c6f4f6e871354e3aca8cef8eb7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_864.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69055c62322974b29758d938b3a7baa155231a4af2b3f3295772225a6b292089
+size 256912
diff --git a/train/mermaid/hard/mermaid_865.mmd b/train/mermaid/hard/mermaid_865.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..22780032da7f1291feeb2101d14d73ef7a83a1c1
--- /dev/null
+++ b/train/mermaid/hard/mermaid_865.mmd
@@ -0,0 +1,142 @@
+graph RL
+    N0([Language Modeling])
+    N1(Speaker Diarization)
+    N2[(Voice Activity Detection)]
+    N3[(Prosody Analysis)]
+    N4[[Speech Data Annotation]]
+    N5(Emotion Recognition from Voice)
+    N6[Natural Language Understanding]
+    N7[/Keyword Spotting/]
+    N8[Linguistic Analysis]
+    N9[/Embedded Speech Recognition/]
+    N10[Command and Control]
+    N11[(Real_Time Captioning)]
+    N12[(Speech_to_Text Conversion)]
+    N13[(Text_to_Speech Synthesis)]
+    N14{Voice User Interface Design}
+    N15(Contextual Understanding)
+    N16([Speech Emotion Recognition])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Robust Speech Recognition
+        nest0_0([Dialect Adaptation])
+        nest0_1(Speech Analytics)
+    end
+    subgraph Cross_Lingual Speech Recognition
+        nest1_0[/Legal Transcription/]
+        nest1_1[/Multimodal Speech Processing/]
+        nest1_2[/Speaker Identification/]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    nest0_0 --> nest0_1
+    N14 --> nest0_0
+    nest0_1 -.-> N10
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N2 -.-> nest1_0
+    nest1_2 -.-> N4
+    N7 -.-> S0
+    S0 -.-> N15
+    S0 -.-> N9
+    N12 --> S1
+    S1 -.-> N16
+    S1 -.-> N15
+    N12 -.-> S2
+    S2 --> |sells| N15
+    S2 --> |protects| N16
+    S2 -.-> N14
+    N1 -.-> M1
+    N2 -.-> M1
+    N0 -.-> M1
+    M1 --> N5
+    N5 -.-> M2
+    N7 -.-> M2
+    N0 -.-> M2
+    M2 --> N13
+    style N0 fill:#CFD8DC,stroke:#607D8B
+    style N1 fill:#F2E6F5,stroke:#CB9BE1
+    style N2 fill:#F2E6F5,stroke:#CB9BE1
+    style N3 fill:#CFD8DC,stroke:#607D8B
+    style N4 fill:#CFD8DC,stroke:#607D8B
+    style N5 fill:#F2E6F5,stroke:#CB9BE1
+    style N6 fill:#FFE0B2,stroke:#FF9800
+    style N7 fill:#CFD8DC,stroke:#607D8B
+    style N8 fill:#FFE0B2,stroke:#FF9800
+    style N9 fill:#FFE0B2,stroke:#FF9800
+    style N10 fill:#CFD8DC,stroke:#607D8B
+    style N11 fill:#FFE0B2,stroke:#FF9800
+    style N12 fill:#CFD8DC,stroke:#607D8B
+    style N13 fill:#F2E6F5,stroke:#CB9BE1
+    style N14 fill:#F2E6F5,stroke:#CB9BE1
+    style N15 fill:#FFE0B2,stroke:#FF9800
+    style N16 fill:#CFD8DC,stroke:#607D8B
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style S1 fill:#CFD8DC,stroke:#607D8B
+    style S2 fill:#F2E6F5,stroke:#CB9BE1
+    style M1 fill:#FFE0B2,stroke:#FF9800
+    style M2 fill:#F2E6F5,stroke:#CB9BE1
+    style nest0_0 fill:#CFD8DC,stroke:#607D8B
+    style nest0_1 fill:#CFD8DC,stroke:#607D8B
+    style nest1_0 fill:#CFD8DC,stroke:#607D8B
+    style nest1_1 fill:#CFD8DC,stroke:#607D8B
+    style nest1_2 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#CB9BE1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_866.png b/train/mermaid/hard/mermaid_866.png
new file mode 100644
index 0000000000000000000000000000000000000000..389b182e0050a948603c583567b2f7423d052ca0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_866.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1c39c4cb1af4a773895f5c1b2080a2428fc0de7cf09ad52e08e3c525c7e5a094
+size 902336
diff --git a/train/mermaid/hard/mermaid_867.mmd b/train/mermaid/hard/mermaid_867.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8826c8e7cc9016ab4c56f40f6fa58c5ec4603ab2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_867.mmd
@@ -0,0 +1,119 @@
+graph RL
+    N0([start])
+    N1[/Meeting Transcription/]
+    N2{Multimodal Speech Processing}
+    N3[[Linguistic Analysis]]
+    N4([Security Authentication])
+    N5(Command and Control)
+    N6(Voice Assistant Development)
+    N7(Legal Transcription)
+    N8[(Automatic Speech Recognition)]
+    N9[/Phonetic Transcription/]
+    N10[/Embedded Speech Recognition/]
+    N11([Speech Analytics])
+    N12[/Speech Emotion Recognition/]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Children's Speech Recognition
+        nest0_0{Speech_to_Text Conversion}
+        nest0_1([Speaker Diarization])
+        nest0_2[Voice Biometrics]
+        nest0_3(Voice Search Optimization)
+    end
+    subgraph Speaker Identification
+        nest1_0[Prosody Analysis]
+        nest1_1[Dialect Adaptation]
+        nest1_2{Cloud_based Speech Services}
+        nest1_3([Keyword Spotting])
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |yes| N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N7 --> nest0_0
+    nest0_3 --> N4
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N6 --> nest1_0
+    nest1_3 -.-> N7
+    N2 -.-> S0
+    S0 -.-> N7
+    S0 --> N10
+    S0 --> N4
+    N1 -.-> S1
+    S1 -.-> N12
+    S1 -.-> N6
+    S1 --> N7
+    N1 --> M0
+    N0 -.-> M0
+    M0 -.-> N3
+    N8 --> M1
+    N3 --> M1
+    N1 -.-> M1
+    M1 -.-> N11
+    N3 --> M2
+    N0 --> M2
+    N1 --> M2
+    M2 --> N5
+    style S0 fill:#FAEBF3,stroke:#F7BEE0
+    style S1 fill:#E1F5FE,stroke:#4FC3F7
+    style M0 fill:#E1F5FE,stroke:#4FC3F7
+    style M1 fill:#E1F5FE,stroke:#4FC3F7
+    style M2 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFF176,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_867.png b/train/mermaid/hard/mermaid_867.png
new file mode 100644
index 0000000000000000000000000000000000000000..5ce18d8c2feb70f4a0c1fc94de2b020294073726
--- /dev/null
+++ b/train/mermaid/hard/mermaid_867.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:26dc648de93c227d6f11796c3f415565b3d2e806946d8bc904abe56cd9ee685e
+size 231184
diff --git a/train/mermaid/hard/mermaid_867.txt b/train/mermaid/hard/mermaid_867.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91a488c8c560270f4bfa3b8fbe891addbd4693ad
--- /dev/null
+++ b/train/mermaid/hard/mermaid_867.txt
@@ -0,0 +1,44 @@
+<Automatic Speech Recognition, connectedTo, Phonetic Transcription>
+<Automatic Speech Recognition, connectedTo, Speech Analytics>
+<Cloud_based Speech Services, connectedTo, Keyword Spotting>
+<Cloud_based Speech Services, partOf, Speaker Identification>
+<Command and Control, connectedTo, Voice Assistant Development>
+<Dialect Adaptation, connectedTo, Cloud_based Speech Services>
+<Dialect Adaptation, partOf, Speaker Identification>
+<Embedded Speech Recognition, connectedTo, Speech Analytics>
+<Keyword Spotting, connectedTo, Legal Transcription>
+<Keyword Spotting, partOf, Speaker Identification>
+<Legal Transcription, connectedTo, Automatic Speech Recognition>
+<Legal Transcription, connectedTo, Speech_to_Text Conversion>
+<Linguistic Analysis, connectedTo, Command and Control>
+<Linguistic Analysis, connectedTo, Security Authentication>
+<Linguistic Analysis, connectedTo, Speech Analytics>
+<Meeting Transcription, connectedTo, Command and Control>
+<Meeting Transcription, connectedTo, Legal Transcription>
+<Meeting Transcription, connectedTo, Linguistic Analysis>
+<Meeting Transcription, connectedTo, Multimodal Speech Processing>
+<Meeting Transcription, connectedTo, Speech Analytics>
+<Meeting Transcription, connectedTo, Speech Emotion Recognition>
+<Meeting Transcription, connectedTo, Voice Assistant Development>
+<Multimodal Speech Processing, connectedTo, Embedded Speech Recognition>
+<Multimodal Speech Processing, connectedTo, Legal Transcription>
+<Multimodal Speech Processing, connectedTo, Linguistic Analysis>
+<Multimodal Speech Processing, connectedTo, Security Authentication>
+<Phonetic Transcription, yes, Embedded Speech Recognition>
+<Prosody Analysis, connectedTo, Dialect Adaptation>
+<Prosody Analysis, partOf, Speaker Identification>
+<Security Authentication, connectedTo, Command and Control>
+<Speaker Diarization, connectedTo, Voice Biometrics>
+<Speaker Diarization, partOf, Children's Speech Recognition>
+<Speech Analytics, connectedTo, Speech Emotion Recognition>
+<Speech_to_Text Conversion, connectedTo, Speaker Diarization>
+<Speech_to_Text Conversion, partOf, Children's Speech Recognition>
+<Voice Assistant Development, connectedTo, Legal Transcription>
+<Voice Assistant Development, connectedTo, Prosody Analysis>
+<Voice Biometrics, connectedTo, Voice Search Optimization>
+<Voice Biometrics, partOf, Children's Speech Recognition>
+<Voice Search Optimization, connectedTo, Security Authentication>
+<Voice Search Optimization, partOf, Children's Speech Recognition>
+<start, connectedTo, Command and Control>
+<start, connectedTo, Linguistic Analysis>
+<start, connectedTo, Meeting Transcription>
diff --git a/train/mermaid/hard/mermaid_868.png b/train/mermaid/hard/mermaid_868.png
new file mode 100644
index 0000000000000000000000000000000000000000..a3b934e957a1b1fc0f35ffd0f7402ef8ac437dda
--- /dev/null
+++ b/train/mermaid/hard/mermaid_868.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:402cef8a1c82330bdd6fd7208650585446f6a6bf65b9f23216a49dff7ed9a001
+size 263434
diff --git a/train/mermaid/hard/mermaid_87.txt b/train/mermaid/hard/mermaid_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d311cab96fed58659914933cbac41b552261f48b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_87.txt
@@ -0,0 +1,34 @@
+<Animal Health Monitoring, connectedTo, Farm Maintenance>
+<Animal Health Monitoring, connectedTo, Grain Drying>
+<Aquaculture Farming, connectedTo, Irrigation Scheduling>
+<Aquaculture Farming, connectedTo, Pest Spraying>
+<Aquaculture Farming, yes, Harvesting>
+<Drone Scouting, connectedTo, Seedling Transplanting>
+<Drone Scouting, partOf, Subsidy Application>
+<Farm Machinery Operation, connectedTo, Harvesting>
+<Farm Machinery Operation, partOf, Crop Rotation Planning>
+<Farm Maintenance, connectedTo, Drone Scouting>
+<Farm Maintenance, partOf, Subsidy Application>
+<Grain Drying, connectedTo, end>
+<Greenhouse Control, no, Farm Machinery Operation>
+<Greenhouse Control, partOf, Crop Rotation Planning>
+<Harvesting, yes, Supply Chain to Retailers>
+<Irrigation Scheduling, connectedTo, Harvesting>
+<Irrigation Scheduling, connectedTo, Weed Removal>
+<Livestock Feeding, connectedTo, Aquaculture Farming>
+<Livestock Feeding, connectedTo, Pest Spraying>
+<Pest Spraying, connectedTo, Traceability System>
+<Seedling Transplanting, connectedTo, Harvesting>
+<Seedling Transplanting, partOf, Subsidy Application>
+<Supply Chain to Retailers, connectedTo, Grain Drying>
+<Supply Chain to Retailers, connectedTo, Traceability System>
+<Supply Chain to Retailers, no, Pest Spraying>
+<Traceability System, connectedTo, Animal Health Monitoring>
+<Traceability System, connectedTo, Greenhouse Control>
+<Traceability System, connectedTo, end>
+<Traceability System, no, Grain Drying>
+<Weed Removal, connectedTo, Harvesting>
+<Weed Removal, connectedTo, Pest Spraying>
+<Weed Removal, connectedTo, Yield Prediction>
+<Yield Prediction, connectedTo, Harvesting>
+<start, connectedTo, Livestock Feeding>
diff --git a/train/mermaid/hard/mermaid_871.png b/train/mermaid/hard/mermaid_871.png
new file mode 100644
index 0000000000000000000000000000000000000000..c9dc3f1204c3fa952c7075e821b1d5fa8625fff8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_871.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:62cfc93335fa0744623c5f09a20bf27f7e7384be43feb692c3a9d3295eeab98a
+size 262014
diff --git a/train/mermaid/hard/mermaid_873.txt b/train/mermaid/hard/mermaid_873.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb39fdfe83ad4d105103ff347c7906e69c97dc72
--- /dev/null
+++ b/train/mermaid/hard/mermaid_873.txt
@@ -0,0 +1,39 @@
+<Biomedical Text Mining, connectedTo, Machine Learning for Text Mining>
+<Concept Extraction, connectedTo, Lemmatization or Stemming>
+<Corpus Creation, connectedTo, Part_of_Speech Tagging>
+<Customer Feedback Analysis, connectedTo, Concept Extraction>
+<Customer Feedback Analysis, filters, Patent Analysis>
+<Data Cleaning for Text, connectedTo, Keyword Extraction>
+<Data Cleaning for Text, partOf, Financial Text Analysis>
+<Keyword Extraction, classifies, Named Entity Recognition>
+<Knowledge Graph Construction, builds_tools, Corpus Creation>
+<Knowledge Graph Construction, connectedTo, Concept Extraction>
+<Knowledge Graph Construction, connectedTo, Lemmatization or Stemming>
+<Knowledge Graph Construction, connectedTo, Relationship Extraction>
+<Knowledge Graph Construction, connectedTo, Topic Modeling>
+<Machine Learning for Text Mining, connectedTo, Customer Feedback Analysis>
+<Named Entity Recognition, connectedTo, Biomedical Text Mining>
+<Named Entity Recognition, connectedTo, Concept Extraction>
+<Named Entity Recognition, connectedTo, Lemmatization or Stemming>
+<Named Entity Recognition, connectedTo, Machine Learning for Text Mining>
+<Named Entity Recognition, connectedTo, Relationship Extraction>
+<Named Entity Recognition, connectedTo, Text Classification>
+<Named Entity Recognition, connectedTo, Topic Modeling>
+<Part_of_Speech Tagging, connectedTo, Social Media Text Analysis>
+<Patent Analysis, connectedTo, Text Similarity Analysis>
+<Patent Analysis, partOf, Author Attribution>
+<Relationship Extraction, connectedTo, Biomedical Text Mining>
+<Relationship Extraction, connectedTo, Lemmatization or Stemming>
+<Relationship Extraction, recommends, Concept Extraction>
+<Relationship Extraction, summarizes, Machine Learning for Text Mining>
+<Sentiment Analysis, connectedTo, Knowledge Graph Construction>
+<Social Media Text Analysis, connectedTo, Keyword Extraction>
+<Text Classification, connectedTo, Data Cleaning for Text>
+<Text Classification, partOf, Financial Text Analysis>
+<Text Preprocessing, connectedTo, Lemmatization or Stemming>
+<Text Preprocessing, partOf, Author Attribution>
+<Text Similarity Analysis, connectedTo, Text Preprocessing>
+<Text Similarity Analysis, partOf, Author Attribution>
+<Topic Modeling, connectedTo, Relationship Extraction>
+<start, connectedTo, Sentiment Analysis>
+<start, connectedTo, Topic Modeling>
diff --git a/train/mermaid/hard/mermaid_878.txt b/train/mermaid/hard/mermaid_878.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52519ce32e8ae49cf0219b2a611bda78977d2548
--- /dev/null
+++ b/train/mermaid/hard/mermaid_878.txt
@@ -0,0 +1,44 @@
+<Biomedical Text Mining, connectedTo, Concept Extraction>
+<Chatbot Development, connectedTo, Document Summarization>
+<Chatbot Development, connectedTo, Legal Document Analysis>
+<Chatbot Development, connectedTo, Social Media Text Analysis>
+<Concept Extraction, connectedTo, Document Summarization>
+<Concept Extraction, connectedTo, Social Media Text Analysis>
+<Corpus Creation, connectedTo, Concept Extraction>
+<Corpus Creation, partOf, Relationship Extraction>
+<Customer Feedback Analysis, connectedTo, Social Media Text Analysis>
+<Deep Learning for NLP, connectedTo, Regular Expressions for Text>
+<Deep Learning for NLP, partOf, News Article Analysis>
+<Document Summarization, connectedTo, Knowledge Graph Construction>
+<Financial Text Analysis, connectedTo, Customer Feedback Analysis>
+<Financial Text Analysis, connectedTo, Deep Learning for NLP>
+<Information Extraction, connectedTo, Biomedical Text Mining>
+<Information Extraction, partOf, News Article Analysis>
+<Knowledge Graph Construction, connectedTo, Resume Parsing>
+<Legal Document Analysis, connectedTo, Opinion Mining>
+<Legal Document Analysis, connectedTo, Spam Detection>
+<Named Entity Recognition, connectedTo, Financial Text Analysis>
+<Natural Language Processing, connectedTo, Part_of_Speech Tagging>
+<Opinion Mining, connectedTo, Text Similarity Analysis>
+<Opinion Mining, partOf, Relationship Extraction>
+<Part_of_Speech Tagging, connectedTo, Financial Text Analysis>
+<Part_of_Speech Tagging, connectedTo, Named Entity Recognition>
+<Part_of_Speech Tagging, connectedTo, Vector Space Models>
+<Part_of_Speech Tagging, connectedTo, end>
+<Regular Expressions for Text, no, Information Extraction>
+<Regular Expressions for Text, partOf, News Article Analysis>
+<Resume Parsing, connectedTo, Natural Language Processing>
+<Resume Parsing, connectedTo, Social Media Text Analysis>
+<Sentiment Analysis, connectedTo, Corpus Creation>
+<Sentiment Analysis, partOf, Relationship Extraction>
+<Social Media Text Analysis, connectedTo, end>
+<Spam Detection, connectedTo, Biomedical Text Mining>
+<Text Preprocessing, connectedTo, Chatbot Development>
+<Text Similarity Analysis, connectedTo, Sentiment Analysis>
+<Text Similarity Analysis, partOf, Relationship Extraction>
+<Vector Space Models, connectedTo, Customer Feedback Analysis>
+<Vector Space Models, connectedTo, Named Entity Recognition>
+<Vector Space Models, connectedTo, end>
+<Vector Space Models, no, Social Media Text Analysis>
+<start, connectedTo, Document Summarization>
+<start, connectedTo, Text Preprocessing>
diff --git a/train/mermaid/hard/mermaid_880.mmd b/train/mermaid/hard/mermaid_880.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c07cbe769c6ff96d3546d83834faddf4ae711445
--- /dev/null
+++ b/train/mermaid/hard/mermaid_880.mmd
@@ -0,0 +1,122 @@
+graph BT
+    N0([Topic Modeling])
+    N1{Chatbot Development}
+    N2[[Text Clustering]]
+    N3([Plagiarism Detection])
+    N4(Machine Learning for Text Mining)
+    N5[Lemmatization or Stemming]
+    N6[Data Cleaning for Text]
+    N7[[Customer Feedback Analysis]]
+    N8[/Social Media Text Analysis/]
+    N9{Financial Text Analysis}
+    N10[(Concept Extraction)]
+    N11(Named Entity Recognition)
+    N12[Language Translation for Text Mining]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Resume Parsing
+        nest0_0{Natural Language Processing}
+        nest0_1[Spam Detection]
+        nest0_2(Text Visualization)
+        nest0_3[Knowledge Graph Construction]
+    end
+    subgraph Information Extraction
+        nest1_0([Author Attribution])
+        nest1_1[(Relationship Extraction)]
+        nest1_2[Tokenization]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> |identifies| nest0_3
+    N1 --> nest0_0
+    nest0_3 -.-> N6
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N4 --> nest1_0
+    nest1_2 --> |patterns| N2
+    N9 -.-> S0
+    S0 -.-> N11
+    S0 -.-> N12
+    N9 --> S1
+    S1 -.-> |extracts| N12
+    S1 --> N11
+    N3 --> M0
+    N2 --> M0
+    N4 --> |relationships| M0
+    M0 --> N9
+    N2 -.-> M1
+    N1 --> M1
+    M1 --> N10
+    style N0 fill:#FFFDE7,stroke:#FBC02D
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#FFFDE7,stroke:#FBC02D
+    style N4 fill:#EFE6FF,stroke:#C2B2F0
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#EFE6FF,stroke:#C2B2F0
+    style N8 fill:#FFF9D4,stroke:#FFE69C
+    style N9 fill:#FFF9D4,stroke:#FFE69C
+    style N10 fill:#EFE6FF,stroke:#C2B2F0
+    style N11 fill:#FFFDE7,stroke:#FBC02D
+    style N12 fill:#FFFDE7,stroke:#FBC02D
+    style S0 fill:#FFFDE7,stroke:#FBC02D
+    style S1 fill:#FFF9D4,stroke:#FFE69C
+    style M0 fill:#EFE6FF,stroke:#C2B2F0
+    style M1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_0 fill:#FFFDE7,stroke:#FBC02D
+    style nest0_1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_2 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_3 fill:#FFFDE7,stroke:#FBC02D
+    style nest1_0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest1_1 fill:#FFFDE7,stroke:#FBC02D
+    style nest1_2 fill:#FFF9D4,stroke:#FFE69C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_882.txt b/train/mermaid/hard/mermaid_882.txt
new file mode 100644
index 0000000000000000000000000000000000000000..258fc87d07dfcc708eac1da98111abaca84d058a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_882.txt
@@ -0,0 +1,35 @@
+<Anomaly Detection, connectedTo, end>
+<Augmented Reality Visualization, connectedTo, Data Governance for Twins>
+<Augmented Reality Visualization, partOf, Design Validation>
+<Automotive Digital Twins, connectedTo, IoT Data Ingestion>
+<Automotive Digital Twins, connectedTo, Risk Assessment>
+<Autonomous Operations, connectedTo, Data Governance for Twins>
+<Autonomous Operations, connectedTo, Sensor Data Integration>
+<Cyber_Physical Systems, connectedTo, Anomaly Detection>
+<Cyber_Physical Systems, connectedTo, Data Governance for Twins>
+<Cyber_Physical Systems, connectedTo, Performance Monitoring>
+<Cyber_Physical Systems, connectedTo, end>
+<Data Governance for Twins, connectedTo, Predictive Maintenance>
+<Healthcare Digital Twins, no, Anomaly Detection>
+<IoT Data Ingestion, connectedTo, Performance Monitoring>
+<Maintenance Scheduling, connectedTo, System Integration Architecture>
+<Maintenance Scheduling, partOf, What_If Scenario Analysis>
+<Model Creation, connectedTo, Anomaly Detection>
+<Model Creation, partOf, What_If Scenario Analysis>
+<Performance Monitoring, connectedTo, Healthcare Digital Twins>
+<Predictive Maintenance, connectedTo, Anomaly Detection>
+<Predictive Maintenance, connectedTo, IoT Data Ingestion>
+<Predictive Maintenance, connectedTo, Simulation and Prediction>
+<Predictive Maintenance, connectedTo, end>
+<Remote Control Capabilities, connectedTo, Autonomous Operations>
+<Remote Control Capabilities, connectedTo, Maintenance Scheduling>
+<Risk Assessment, connectedTo, Augmented Reality Visualization>
+<Risk Assessment, partOf, Design Validation>
+<Sensor Data Integration, connectedTo, Data Governance for Twins>
+<Sensor Data Integration, connectedTo, Virtual Prototyping>
+<Simulation and Prediction, no, Automotive Digital Twins>
+<System Integration Architecture, connectedTo, Model Creation>
+<System Integration Architecture, partOf, What_If Scenario Analysis>
+<Virtual Prototyping, connectedTo, Cyber_Physical Systems>
+<Virtual Prototyping, connectedTo, Data Governance for Twins>
+<start, connectedTo, Remote Control Capabilities>
diff --git a/train/mermaid/hard/mermaid_884.mmd b/train/mermaid/hard/mermaid_884.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1169e9cc52a4379dbff9b2eb0e9a655de98ff6a6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_884.mmd
@@ -0,0 +1,120 @@
+graph BT
+    N0([start])
+    N1[[AI or ML Model Integration]]
+    N2[[Energy Consumption Optimization]]
+    N3[(Risk Assessment)]
+    N4{Virtual Reality Interaction}
+    N5[/Smart City Planning/]
+    N6(Sensor Data Integration)
+    N7[/Lifecycle Management/]
+    N8[(Augmented Reality Visualization)]
+    N9[/Data Governance for Twins/]
+    N10[/Asset Optimization/]
+    N11[(Smart Manufacturing)]
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Healthcare Digital Twins
+        nest0_0([Autonomous Operations])
+        nest0_1(Predictive Maintenance)
+        nest0_2[[Virtual Prototyping]]
+    end
+    subgraph Anomaly Detection
+        nest1_0([Digital Twin Lifecycle Management])
+        nest1_1[/Real_Time Data Streaming/]
+        nest1_2([System Integration Architecture])
+        nest1_3(Condition Monitoring)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |sensors_connects| N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N6 -.-> nest0_0
+    nest0_2 --> |troubleshoots| N6
+    nest1_0 --> |simulates| nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N6 -.-> nest1_0
+    nest1_3 -.-> N8
+    N0 --> S0
+    S0 -.-> N4
+    S0 --> N9
+    S0 -.-> N2
+    N5 --> S2
+    S2 -.-> N11
+    S2 --> N10
+    S2 -.-> N7
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N3
+    N1 -.-> M1
+    N0 --> M1
+    M1 -.-> N4
+    style N0 fill:#E1F5FE,stroke:#4FC3F7
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#E1F5FE,stroke:#4FC3F7
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#FFF9C4,stroke:#FFEB3B
+    style N5 fill:#E1F5FE,stroke:#4FC3F7
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style N7 fill:#FFCDD2,stroke:#F44336
+    style N8 fill:#FFCDD2,stroke:#F44336
+    style N9 fill:#E1F5FE,stroke:#4FC3F7
+    style N10 fill:#FFCDD2,stroke:#F44336
+    style N11 fill:#FFCDD2,stroke:#F44336
+    style S0 fill:#FFF9C4,stroke:#FFEB3B
+    style S2 fill:#E1F5FE,stroke:#4FC3F7
+    style M0 fill:#FFF9C4,stroke:#FFEB3B
+    style M1 fill:#FFCDD2,stroke:#F44336
+    style nest0_0 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_1 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_2 fill:#FFCDD2,stroke:#F44336
+    style nest1_0 fill:#FFF9C4,stroke:#FFEB3B
+    style nest1_1 fill:#FFF9C4,stroke:#FFEB3B
+    style nest1_2 fill:#FFCDD2,stroke:#F44336
+    style nest1_3 fill:#FFF9C4,stroke:#FFEB3B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4FC3F7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_885.mmd b/train/mermaid/hard/mermaid_885.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d1c5231e92878e405749f38d79c832004fe8e44a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_885.mmd
@@ -0,0 +1,152 @@
+graph TD
+    N0([start])
+    N1(Automotive Digital Twins)
+    N2[(Sensor Data Integration)]
+    N3(Operational Planning)
+    N4([Asset Optimization])
+    N5[(Autonomous Operations)]
+    N6[/Aerospace Digital Twins/]
+    N7(Cyber_Physical Systems)
+    N8(Data Security for Digital Twins)
+    N9[(What_If Scenario Analysis)]
+    N10[(IoT Data Ingestion)]
+    N11(AI or ML Model Integration)
+    N12([Simulation Platform Development])
+    N13(Maintenance Scheduling)
+    N14[[Condition Monitoring]]
+    N15[(Digital Twin Lifecycle Management)]
+    N16{Energy Consumption Optimization}
+    N17([Design Validation])
+    N18[Lifecycle Management]
+    N19([Interoperability Standards])
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Anomaly Detection
+        nest0_0{Healthcare Digital Twins}
+        nest0_1[Simulation and Prediction]
+    end
+    subgraph Virtual Reality Interaction
+        nest1_0[System Integration Architecture]
+        nest1_1[Virtual Prototyping]
+        nest1_2[/Edge Computing for Twins/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    N16 -.-> N17
+    N17 --> |deploys| N18
+    N18 -.-> N19
+    nest0_0 -.-> nest0_1
+    N11 -.-> nest0_0
+    nest0_1 --> N15
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N6 --> nest1_0
+    nest1_2 --> N7
+    N14 --> S1
+    S1 --> N16
+    S1 -.-> N17
+    S1 -.-> N19
+    S1 -.-> N18
+    N2 -.-> M0
+    N13 --> M0
+    N8 --> M0
+    N3 --> M0
+    M0 --> N15
+    N2 --> M1
+    N0 --> M1
+    N8 -.-> |AR or VR_enables| M1
+    M1 -.-> N18
+    N8 --> M2
+    N4 -.-> M2
+    N2 -.-> M2
+    M2 -.-> N12
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#F8FDD3,stroke:#D3EB9F
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#FFF6D9,stroke:#FFCC7A
+    style N7 fill:#C8E6C9,stroke:#388E3C
+    style N8 fill:#C8E6C9,stroke:#388E3C
+    style N9 fill:#C8E6C9,stroke:#388E3C
+    style N10 fill:#F8FDD3,stroke:#D3EB9F
+    style N11 fill:#F8FDD3,stroke:#D3EB9F
+    style N12 fill:#F8FDD3,stroke:#D3EB9F
+    style N13 fill:#F8FDD3,stroke:#D3EB9F
+    style N14 fill:#F8FDD3,stroke:#D3EB9F
+    style N15 fill:#C8E6C9,stroke:#388E3C
+    style N16 fill:#F8FDD3,stroke:#D3EB9F
+    style N17 fill:#C8E6C9,stroke:#388E3C
+    style N18 fill:#FFF6D9,stroke:#FFCC7A
+    style N19 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#C8E6C9,stroke:#388E3C
+    style M0 fill:#FFF6D9,stroke:#FFCC7A
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    style M2 fill:#C8E6C9,stroke:#388E3C
+    style nest0_0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_1 fill:#FFF6D9,stroke:#FFCC7A
+    style nest1_0 fill:#C8E6C9,stroke:#388E3C
+    style nest1_1 fill:#C8E6C9,stroke:#388E3C
+    style nest1_2 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#FFCC7A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_887.txt b/train/mermaid/hard/mermaid_887.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b66684cd0ae6290c3dc8c7a91259b594f6cc81b4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_887.txt
@@ -0,0 +1,38 @@
+<AI or ML Model Integration, connectedTo, Edge Computing for Twins>
+<Augmented Reality Visualization, builds, Autonomous Operations>
+<Automotive Digital Twins, connectedTo, Performance Monitoring>
+<Autonomous Operations, connectedTo, Digital Twin Lifecycle Management>
+<Autonomous Operations, connectedTo, Virtual Reality Interaction>
+<Autonomous Operations, machine_learning_uses, Operational Planning>
+<Cyber_Physical Systems, connectedTo, Sensor Data Integration>
+<Cyber_Physical Systems, partOf, Building Information Modeling Integration>
+<Data Security for Digital Twins, connectedTo, Enterprise Asset Management Integration>
+<Data Security for Digital Twins, partOf, Interoperability Standards>
+<Digital Twin Lifecycle Management, visualizes, Operational Planning>
+<Edge Computing for Twins, connectedTo, Scalability of Models>
+<Enterprise Asset Management Integration, connectedTo, Autonomous Operations>
+<Enterprise Asset Management Integration, partOf, Interoperability Standards>
+<Healthcare Digital Twins, connectedTo, Autonomous Operations>
+<Healthcare Digital Twins, connectedTo, Operational Planning>
+<Healthcare Digital Twins, connectedTo, System Integration Architecture>
+<IoT Data Ingestion, connectedTo, Risk Assessment>
+<IoT Data Ingestion, connectedTo, Simulation Platform Development>
+<Lifecycle Management, connectedTo, Data Security for Digital Twins>
+<Lifecycle Management, partOf, Interoperability Standards>
+<Maintenance Scheduling, connectedTo, Healthcare Digital Twins>
+<Maintenance Scheduling, connectedTo, Performance Monitoring>
+<Model Creation, connectedTo, Cyber_Physical Systems>
+<Model Creation, partOf, Building Information Modeling Integration>
+<Operational Planning, connectedTo, Lifecycle Management>
+<Operational Planning, connectedTo, Virtual Reality Interaction>
+<Performance Monitoring, connectedTo, AI or ML Model Integration>
+<Risk Assessment, connectedTo, Maintenance Scheduling>
+<Scalability of Models, connectedTo, Augmented Reality Visualization>
+<Scalability of Models, connectedTo, Model Creation>
+<Sensor Data Integration, connectedTo, Augmented Reality Visualization>
+<Sensor Data Integration, partOf, Building Information Modeling Integration>
+<Simulation Platform Development, deploys, Risk Assessment>
+<System Integration Architecture, connectedTo, Automotive Digital Twins>
+<start, connectedTo, IoT Data Ingestion>
+<start, connectedTo, Performance Monitoring>
+<start, connectedTo, Risk Assessment>
diff --git a/train/mermaid/hard/mermaid_888.mmd b/train/mermaid/hard/mermaid_888.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..981cc3fbb9109a97d9ad7793bde178f5a35e9678
--- /dev/null
+++ b/train/mermaid/hard/mermaid_888.mmd
@@ -0,0 +1,150 @@
+graph TD
+    N0([start])
+    N1[Historical Data Analysis]
+    N2[(Scalability of Models)]
+    N3[Smart City Planning]
+    N4[Remote Control Capabilities]
+    N5[(Asset Optimization)]
+    N6[Energy Consumption Optimization]
+    N7{AI or ML Model Integration}
+    N8[/Sensor Data Integration/]
+    N9{Digital Twin Lifecycle Management}
+    N10[[Enterprise Asset Management Integration]]
+    N11(Simulation and Prediction)
+    N12(Virtual Prototyping)
+    N13{Healthcare Digital Twins}
+    N14([Model Creation])
+    N15[(Augmented Reality Visualization)]
+    N16(Data Security for Digital Twins)
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Edge Computing for Twins
+        nest0_0(Interoperability Standards)
+        nest0_1[Building Information Modeling Integration]
+        nest0_2([What_If Scenario Analysis])
+    end
+    subgraph System Integration Architecture
+        nest1_0[(Maintenance Scheduling)]
+        nest1_1[Operational Planning]
+        nest1_2[Performance Monitoring]
+        nest1_3[Smart Manufacturing]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> N16
+    N16 -.-> |environments_monitors| N17
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N15 --> nest0_0
+    nest0_2 --> N17
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N14 -.-> nest1_0
+    nest1_3 -.-> N9
+    N7 --> S0
+    S0 -.-> N9
+    S0 -.-> N10
+    N5 --> S1
+    S1 -.-> N7
+    S1 --> N12
+    S1 --> N11
+    N4 --> M0
+    N2 --> M0
+    M0 -.-> N12
+    N7 --> M1
+    N1 -.-> M1
+    M1 --> N11
+    N4 --> M2
+    N1 -.-> M2
+    M2 -.-> N8
+    style N0 fill:#F9FBE7,stroke:#C0CA33
+    style N1 fill:#F5F5F5,stroke:#BDBDBD
+    style N2 fill:#F0F4C3,stroke:#AED581
+    style N3 fill:#F0F4C3,stroke:#AED581
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#F9FBE7,stroke:#C0CA33
+    style N6 fill:#F5F5F5,stroke:#BDBDBD
+    style N7 fill:#F5F5F5,stroke:#BDBDBD
+    style N8 fill:#F5F5F5,stroke:#BDBDBD
+    style N9 fill:#F0F4C3,stroke:#AED581
+    style N10 fill:#F0F4C3,stroke:#AED581
+    style N11 fill:#F0F4C3,stroke:#AED581
+    style N12 fill:#F0F4C3,stroke:#AED581
+    style N13 fill:#F0F4C3,stroke:#AED581
+    style N14 fill:#F9FBE7,stroke:#C0CA33
+    style N15 fill:#F9FBE7,stroke:#C0CA33
+    style N16 fill:#F5F5F5,stroke:#BDBDBD
+    style N17 fill:#F5F5F5,stroke:#BDBDBD
+    style S0 fill:#F5F5F5,stroke:#BDBDBD
+    style S1 fill:#F0F4C3,stroke:#AED581
+    style M0 fill:#F5F5F5,stroke:#BDBDBD
+    style M1 fill:#F9FBE7,stroke:#C0CA33
+    style M2 fill:#F0F4C3,stroke:#AED581
+    style nest0_0 fill:#F0F4C3,stroke:#AED581
+    style nest0_1 fill:#F0F4C3,stroke:#AED581
+    style nest0_2 fill:#F0F4C3,stroke:#AED581
+    style nest1_0 fill:#F5F5F5,stroke:#BDBDBD
+    style nest1_1 fill:#F5F5F5,stroke:#BDBDBD
+    style nest1_2 fill:#F5F5F5,stroke:#BDBDBD
+    style nest1_3 fill:#F0F4C3,stroke:#AED581
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#C0CA33,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_889.png b/train/mermaid/hard/mermaid_889.png
new file mode 100644
index 0000000000000000000000000000000000000000..6bace0ce521571848c2019bbad69e1d02dacf203
--- /dev/null
+++ b/train/mermaid/hard/mermaid_889.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8c4bce5119069036aa6ddf5d90ebf2e673816a7e037752ac594e1129ea9c380
+size 515034
diff --git a/train/mermaid/hard/mermaid_89.txt b/train/mermaid/hard/mermaid_89.txt
new file mode 100644
index 0000000000000000000000000000000000000000..63668197df3071f256ed7cb1ba557ea6712046d9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_89.txt
@@ -0,0 +1,33 @@
+<Adventure Sports Booking, connectedTo, Loyalty Program Enrollment>
+<Airport Transfer, connectedTo, Return Trip>
+<Booking Modification, connectedTo, Group Tour Coordination>
+<Booking Modification, connectedTo, Spa Appointment>
+<Booking Modification, connectedTo, Tourist Information Desk>
+<Cruise Ship Boarding, connectedTo, Airport Transfer>
+<Cruise Ship Boarding, partOf, Baggage Handling>
+<Cultural Immersion Program, connectedTo, Cruise Ship Boarding>
+<Cultural Immersion Program, partOf, Baggage Handling>
+<Currency Exchange, connectedTo, Adventure Sports Booking>
+<Duty_Free Shopping, develops, Travel Insurance>
+<Duty_Free Shopping, partOf, Travel Advisory Updates>
+<Event Reservation, partOf, Baggage Handling>
+<Event Reservation, returns, Souvenir Shopping>
+<Group Tour Coordination, connectedTo, Passport Renewal Assistance>
+<Group Tour Coordination, partOf, Travel Advisory Updates>
+<Loyalty Program Enrollment, connectedTo, Airport Transfer>
+<Loyalty Program Enrollment, connectedTo, Booking Modification>
+<Loyalty Program Enrollment, connectedTo, Return Trip>
+<Loyalty Program Enrollment, connectedTo, Spa Appointment>
+<Loyalty Program Enrollment, connectedTo, Tourist Information Desk>
+<Loyalty Program Enrollment, promotes, Tourist Information Desk>
+<Passport Renewal Assistance, connectedTo, Duty_Free Shopping>
+<Passport Renewal Assistance, partOf, Travel Advisory Updates>
+<Restaurant Reservation, connectedTo, Currency Exchange>
+<Restaurant Reservation, connectedTo, Spa Appointment>
+<Souvenir Shopping, connectedTo, Cultural Immersion Program>
+<Souvenir Shopping, partOf, Baggage Handling>
+<Spa Appointment, connectedTo, Airport Transfer>
+<Tourist Information Desk, connectedTo, Event Reservation>
+<Tourist Information Desk, connectedTo, Spa Appointment>
+<Travel Insurance, connectedTo, Airport Transfer>
+<Travel Insurance, partOf, Travel Advisory Updates>
diff --git a/train/mermaid/hard/mermaid_890.mmd b/train/mermaid/hard/mermaid_890.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..122ba5b9cd83507959c47f44c20c81267e9abb6b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_890.mmd
@@ -0,0 +1,144 @@
+graph LR
+    N0([Natural Language Processing for Automation])
+    N1[(Security for Automation Bots)]
+    N2[/Automated Data Validation/]
+    N3(User Training for Automated Systems)
+    N4([Report Generation Automation])
+    N5[Change Management for Automation]
+    N6[[Supply Chain Automation]]
+    N7[(Compliance in Automation)]
+    N8(Low_Code or No_Code Automation)
+    N9([Intelligent Automation])
+    N10(Data Entry Automation)
+    N11[[Audit Trail for Automation]]
+    N12[Business Rule Engines]
+    N13[/Process Mining/]
+    N14[Email Automation]
+    N15{Workflow Analysis}
+    N16[Return on Investment Calculation]
+    N17([Automation Opportunity Identification])
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Orchestration of Processes
+        nest0_0(Hyperautomation)
+        nest0_1[/Automated Testing/]
+    end
+    subgraph Task Automation
+        nest1_0[/Process Mapping/]
+        nest1_1[[API Automation]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> |tracks| N16
+    N16 -.-> N17
+    nest0_0 --> nest0_1
+    N1 -.-> nest0_0
+    nest0_1 --> |configures_rules| N3
+    nest1_0 --> nest1_1
+    N6 --> nest1_0
+    nest1_1 -.-> N5
+    N7 -.-> S0
+    S0 --> N9
+    S0 -.-> |improves| N16
+    N5 --> S2
+    S2 --> N9
+    S2 --> N7
+    S2 -.-> N17
+    N4 -.-> M0
+    N1 -.-> |integrates_systems| M0
+    M0 -.-> N9
+    N2 --> |AI_applies| M1
+    N11 --> M1
+    N4 --> M1
+    N3 --> |errors_detects| M1
+    M1 -.-> N15
+    N1 -.-> M2
+    N2 -.-> M2
+    N0 -.-> M2
+    M2 --> N10
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#FFF8E1,stroke:#FFD54F
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#ECCFF5,stroke:#CD8FF2
+    style N4 fill:#FFF8E1,stroke:#FFD54F
+    style N5 fill:#FFF8E1,stroke:#FFD54F
+    style N6 fill:#FFF8E1,stroke:#FFD54F
+    style N7 fill:#ECCFF5,stroke:#CD8FF2
+    style N8 fill:#FFF8E1,stroke:#FFD54F
+    style N9 fill:#FCE4EC,stroke:#F06292
+    style N10 fill:#FFF8E1,stroke:#FFD54F
+    style N11 fill:#ECCFF5,stroke:#CD8FF2
+    style N12 fill:#ECCFF5,stroke:#CD8FF2
+    style N13 fill:#FCE4EC,stroke:#F06292
+    style N14 fill:#FCE4EC,stroke:#F06292
+    style N15 fill:#FCE4EC,stroke:#F06292
+    style N16 fill:#FCE4EC,stroke:#F06292
+    style N17 fill:#ECCFF5,stroke:#CD8FF2
+    style S0 fill:#ECCFF5,stroke:#CD8FF2
+    style S2 fill:#ECCFF5,stroke:#CD8FF2
+    style M0 fill:#FCE4EC,stroke:#F06292
+    style M1 fill:#FFF8E1,stroke:#FFD54F
+    style M2 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_0 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_1 fill:#FCE4EC,stroke:#F06292
+    style nest1_0 fill:#FCE4EC,stroke:#F06292
+    style nest1_1 fill:#ECCFF5,stroke:#CD8FF2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FFD54F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_890.txt b/train/mermaid/hard/mermaid_890.txt
new file mode 100644
index 0000000000000000000000000000000000000000..525f9799f4d8594f8432f54f936b9b7899661758
--- /dev/null
+++ b/train/mermaid/hard/mermaid_890.txt
@@ -0,0 +1,41 @@
+<API Automation, connectedTo, Change Management for Automation>
+<API Automation, partOf, Task Automation>
+<Audit Trail for Automation, connectedTo, Business Rule Engines>
+<Audit Trail for Automation, connectedTo, Workflow Analysis>
+<Automated Data Validation, AI_applies, Workflow Analysis>
+<Automated Data Validation, connectedTo, Data Entry Automation>
+<Automated Data Validation, connectedTo, User Training for Automated Systems>
+<Automated Testing, configures_rules, User Training for Automated Systems>
+<Automated Testing, partOf, Orchestration of Processes>
+<Business Rule Engines, connectedTo, Process Mining>
+<Change Management for Automation, connectedTo, Automation Opportunity Identification>
+<Change Management for Automation, connectedTo, Compliance in Automation>
+<Change Management for Automation, connectedTo, Intelligent Automation>
+<Change Management for Automation, connectedTo, Supply Chain Automation>
+<Compliance in Automation, connectedTo, Intelligent Automation>
+<Compliance in Automation, connectedTo, Low_Code or No_Code Automation>
+<Compliance in Automation, improves, Return on Investment Calculation>
+<Data Entry Automation, connectedTo, Audit Trail for Automation>
+<Email Automation, connectedTo, Workflow Analysis>
+<Hyperautomation, connectedTo, Automated Testing>
+<Hyperautomation, partOf, Orchestration of Processes>
+<Intelligent Automation, connectedTo, Data Entry Automation>
+<Low_Code or No_Code Automation, connectedTo, Intelligent Automation>
+<Natural Language Processing for Automation, connectedTo, Data Entry Automation>
+<Natural Language Processing for Automation, connectedTo, Security for Automation Bots>
+<Process Mapping, connectedTo, API Automation>
+<Process Mapping, partOf, Task Automation>
+<Process Mining, connectedTo, Email Automation>
+<Report Generation Automation, connectedTo, Change Management for Automation>
+<Report Generation Automation, connectedTo, Intelligent Automation>
+<Report Generation Automation, connectedTo, Workflow Analysis>
+<Return on Investment Calculation, connectedTo, Automation Opportunity Identification>
+<Security for Automation Bots, connectedTo, Automated Data Validation>
+<Security for Automation Bots, connectedTo, Data Entry Automation>
+<Security for Automation Bots, connectedTo, Hyperautomation>
+<Security for Automation Bots, integrates_systems, Intelligent Automation>
+<Supply Chain Automation, connectedTo, Compliance in Automation>
+<Supply Chain Automation, connectedTo, Process Mapping>
+<User Training for Automated Systems, connectedTo, Report Generation Automation>
+<User Training for Automated Systems, errors_detects, Workflow Analysis>
+<Workflow Analysis, tracks, Return on Investment Calculation>
diff --git a/train/mermaid/hard/mermaid_891.txt b/train/mermaid/hard/mermaid_891.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c38ddd03243697143d699b54639b3b645cf4fd9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_891.txt
@@ -0,0 +1,39 @@
+<Audit Trail for Automation, connectedTo, Hyperautomation>
+<Automation Opportunity Identification, connectedTo, Automated Testing>
+<Automation Opportunity Identification, connectedTo, Intelligent Automation>
+<Automation Opportunity Identification, connectedTo, Natural Language Processing for Automation>
+<Business Process Management, connectedTo, Data Entry Automation>
+<Data Entry Automation, connectedTo, Automation Opportunity Identification>
+<Decision Automation, connectedTo, HR Process Automation>
+<Decision Automation, partOf, Report Generation Automation>
+<Error Handling in Automation, connectedTo, Intelligent Automation>
+<Error Handling in Automation, connectedTo, Low_Code or No_Code Automation>
+<Finance Process Automation, connectedTo, Integration with Existing Systems>
+<HR Process Automation, connectedTo, Workflow Analysis>
+<HR Process Automation, partOf, Report Generation Automation>
+<Hyperautomation, connectedTo, Business Process Management>
+<IT Operations Automation, connectedTo, Automated Testing>
+<Integration with Existing Systems, connectedTo, Audit Trail for Automation>
+<Integration with Existing Systems, connectedTo, Intelligent Automation>
+<Integration with Existing Systems, connectedTo, Task Automation>
+<Intelligent Automation, connectedTo, IT Operations Automation>
+<Low_Code or No_Code Automation, connectedTo, Decision Automation>
+<Low_Code or No_Code Automation, connectedTo, Orchestration of Processes>
+<Natural Language Processing for Automation, connectedTo, Intelligent Automation>
+<Natural Language Processing for Automation, connectedTo, Scripting for Automation>
+<Orchestration of Processes, connectedTo, Automated Testing>
+<Orchestration of Processes, connectedTo, Finance Process Automation>
+<Orchestration of Processes, connectedTo, Hyperautomation>
+<Orchestration of Processes, connectedTo, IT Operations Automation>
+<Process Mapping, connectedTo, Data Entry Automation>
+<Process Mapping, partOf, API Automation>
+<Return on Investment Calculation, accelerates_operations, Scalability of Automation>
+<Scalability of Automation, connectedTo, Error Handling in Automation>
+<Scripting for Automation, connectedTo, Intelligent Automation>
+<Supply Chain Automation, connectedTo, Intelligent Automation>
+<Supply Chain Automation, partOf, Report Generation Automation>
+<Task Automation, connectedTo, Process Mapping>
+<Task Automation, partOf, API Automation>
+<Workflow Analysis, connectedTo, Supply Chain Automation>
+<Workflow Analysis, partOf, Report Generation Automation>
+<start, connectedTo, Return on Investment Calculation>
diff --git a/train/mermaid/hard/mermaid_892.txt b/train/mermaid/hard/mermaid_892.txt
new file mode 100644
index 0000000000000000000000000000000000000000..53e61da82fdc168e9b05b697bdec720db78e797e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_892.txt
@@ -0,0 +1,35 @@
+<Automation Opportunity Identification, connectedTo, Integration with Existing Systems>
+<Automation Opportunity Identification, partOf, Low_Code or No_Code Automation>
+<Business Process Management, connectedTo, Change Management for Automation>
+<Business Process Management, connectedTo, Scripting for Automation>
+<Business Process Management, connectedTo, User Training for Automated Systems>
+<Business Rule Engines, connectedTo, Task Automation>
+<Business Rule Engines, partOf, Optical Character Recognition for Automation>
+<Change Management for Automation, connectedTo, Compliance in Automation>
+<Change Management for Automation, connectedTo, Workflow Automation Platforms>
+<Chatbot Integration, connectedTo, Business Rule Engines>
+<Chatbot Integration, partOf, Optical Character Recognition for Automation>
+<Compliance in Automation, connectedTo, Scripting for Automation>
+<Document Processing Automation, connectedTo, Return on Investment Calculation>
+<Document Processing Automation, connectedTo, Scalability of Automation>
+<Email Automation, connectedTo, Chatbot Integration>
+<Email Automation, partOf, Optical Character Recognition for Automation>
+<HR Process Automation, connectedTo, Intelligent Automation>
+<Hyperautomation, connectedTo, Change Management for Automation>
+<IT Operations Automation, connectedTo, Integration with Existing Systems>
+<IT Operations Automation, connectedTo, Return on Investment Calculation>
+<Integration with Existing Systems, connectedTo, Email Automation>
+<Integration with Existing Systems, connectedTo, Return on Investment Calculation>
+<Intelligent Automation, connectedTo, Change Management for Automation>
+<Intelligent Automation, connectedTo, Scripting for Automation>
+<Intelligent Automation, trains, Hyperautomation>
+<Return on Investment Calculation, connectedTo, Business Process Management>
+<Scalability of Automation, connectedTo, IT Operations Automation>
+<Scalability of Automation, connectedTo, Return on Investment Calculation>
+<Task Automation, connectedTo, User Training for Automated Systems>
+<Task Automation, partOf, Optical Character Recognition for Automation>
+<User Training for Automated Systems, connectedTo, Compliance in Automation>
+<User Training for Automated Systems, connectedTo, HR Process Automation>
+<User Training for Automated Systems, connectedTo, Hyperautomation>
+<Workflow Automation Platforms, connectedTo, Automation Opportunity Identification>
+<Workflow Automation Platforms, partOf, Low_Code or No_Code Automation>
diff --git a/train/mermaid/hard/mermaid_893.mmd b/train/mermaid/hard/mermaid_893.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..18362af6d79575323b3c100b488c5c656882e0d6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_893.mmd
@@ -0,0 +1,108 @@
+graph TD
+    N0([start])
+    N1([Low_Code or No_Code Automation])
+    N2[/Performance Monitoring of Bots/]
+    N3{Scripting for Automation}
+    N4([Return on Investment Calculation])
+    N5[[IT Operations Automation]]
+    N6{Process Mining}
+    N7{Error Handling in Automation}
+    N8{Automation Opportunity Identification}
+    N9[/Report Generation Automation/]
+    N10{Automated Data Validation}
+    N11(Intelligent Automation)
+    N12[(API Automation)]
+    N13[[Orchestration of Processes]]
+    N14([Integration with Existing Systems])
+    N15[(Decision Automation)]
+    N16(Automated Testing)
+    N17([end])
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Hyperautomation
+        nest0_0(Email Automation)
+        nest0_1[/Finance Process Automation/]
+    end
+    subgraph Data Entry Automation
+        nest1_0([Business Process Management])
+        nest1_1[[Natural Language Processing for Automation]]
+        nest1_2[HR Process Automation]
+        nest1_3(Workflow Automation Platforms)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> |yes| N15
+    N15 -.-> N16
+    N16 -.-> N17
+    nest0_0 -.-> nest0_1
+    N16 -.-> |no| nest0_0
+    nest0_1 -.-> N10
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N12 --> nest1_0
+    nest1_3 --> N1
+    N9 --> S1
+    S1 --> N15
+    S1 --> |yes| N13
+    N12 -.-> M0
+    N6 -.-> M0
+    N0 -.-> M0
+    M0 -.-> N17
+    N10 --> M1
+    N3 --> M1
+    N9 --> M1
+    M1 --> N16
+    style S1 fill:#D0EFEE,stroke:#73C6BC
+    style M0 fill:#FFF3E0,stroke:#FFB74D
+    style M1 fill:#E1BEE7,stroke:#9C27B0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#73C6BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_894.png b/train/mermaid/hard/mermaid_894.png
new file mode 100644
index 0000000000000000000000000000000000000000..91c4610f2398d9e51b27865283259f0652cbad1d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_894.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d917ea24204247f68b669cdf42871d413ae963b8f8e114464b4c1d24608cb68d
+size 299522
diff --git a/train/mermaid/hard/mermaid_896.png b/train/mermaid/hard/mermaid_896.png
new file mode 100644
index 0000000000000000000000000000000000000000..aa2a216578cdb9875be885d69f39bdb58277ba08
--- /dev/null
+++ b/train/mermaid/hard/mermaid_896.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c36a5e1b550273101d83482a7b5d8aa307ab1c71ec840c48ba320a687a272ea3
+size 179839
diff --git a/train/mermaid/hard/mermaid_898.txt b/train/mermaid/hard/mermaid_898.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ebf6d182f6261e49bb9bf51f227c716e9fd450e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_898.txt
@@ -0,0 +1,40 @@
+<Audit Planning, connectedTo, Quality Data Analysis>
+<Audit Planning, connectedTo, Service Quality Management>
+<Audit Planning, connectedTo, Six Sigma Methodologies>
+<Component Inspection, connectedTo, Software Quality Assurance>
+<Component Inspection, partOf, X_ray Inspection>
+<Continuous Improvement, connectedTo, Inspection Procedures>
+<Continuous Improvement, connectedTo, Metrology>
+<Continuous Improvement, connectedTo, Quality Data Analysis>
+<Continuous Improvement, connectedTo, Quality Standards Development>
+<Continuous Improvement, connectedTo, Trend Analysis>
+<Continuous Improvement, risk_manages, Service Quality Management>
+<Food Safety Quality Control, connectedTo, Inspection Procedures>
+<Food Safety Quality Control, connectedTo, Quality Data Analysis>
+<Food Safety Quality Control, connectedTo, Trend Analysis>
+<Hardware Quality Testing, connectedTo, Quality Data Analysis>
+<Hardware Quality Testing, partOf, Measurement System Analysis>
+<Metrology, connectedTo, Service Quality Management>
+<Process Monitoring, connectedTo, Component Inspection>
+<Process Monitoring, partOf, X_ray Inspection>
+<Quality Data Analysis, connectedTo, Trend Analysis>
+<Quality Planning, connectedTo, Process Monitoring>
+<Quality Planning, partOf, X_ray Inspection>
+<Quality Standards Development, connectedTo, Food Safety Quality Control>
+<Quality Standards Development, software_implements, Quality Data Analysis>
+<Sampling Plans, partOf, Measurement System Analysis>
+<Sampling Plans, tests, Hardware Quality Testing>
+<Service Quality Management, connectedTo, Quality Data Analysis>
+<Service Quality Management, connectedTo, Quality Standards Development>
+<Six Sigma Methodologies, connectedTo, Quality Data Analysis>
+<Six Sigma Methodologies, connectedTo, Service Quality Management>
+<Six Sigma Methodologies, equipment_calibrates, Continuous Improvement>
+<Software Quality Assurance, connectedTo, Six Sigma Methodologies>
+<Software Quality Assurance, partOf, X_ray Inspection>
+<Supplier Audits, partOf, Measurement System Analysis>
+<Supplier Audits, services_assesses, Sampling Plans>
+<Total Quality Management, connectedTo, Supplier Audits>
+<Total Quality Management, partOf, Measurement System Analysis>
+<Trend Analysis, connectedTo, Inspection Procedures>
+<Trend Analysis, connectedTo, Quality Planning>
+<Trend Analysis, connectedTo, Total Quality Management>
diff --git a/train/mermaid/hard/mermaid_899.txt b/train/mermaid/hard/mermaid_899.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cabee38484f05d0edca0097b75f489d0dd27b71e
--- /dev/null
+++ b/train/mermaid/hard/mermaid_899.txt
@@ -0,0 +1,39 @@
+<Calibration of Instruments, connectedTo, Hardware Quality Testing>
+<Calibration of Instruments, partOf, Product Testing>
+<Component Inspection, connectedTo, Corrective and Preventive Actions>
+<Component Inspection, connectedTo, Metrology>
+<Component Inspection, connectedTo, Supplier Audits>
+<Component Inspection, connectedTo, end>
+<Continuous Improvement, connectedTo, Six Sigma Methodologies>
+<Continuous Improvement, partOf, Audit Planning>
+<Corrective and Preventive Actions, connectedTo, Metrology>
+<Customer Feedback Analysis, connectedTo, Non_Destructive Testing>
+<Customer Feedback Analysis, connectedTo, Pharmaceutical Quality Control>
+<Defect Detection, connectedTo, Measurement System Analysis>
+<Hardware Quality Testing, connectedTo, Quality Planning>
+<Lean Principles in Quality, connectedTo, Pharmaceutical Quality Control>
+<Measurement System Analysis, connectedTo, Regulatory Compliance for Quality>
+<Metrology, connectedTo, end>
+<Non_Destructive Testing, connectedTo, Lean Principles in Quality>
+<Pharmaceutical Quality Control, connectedTo, Defect Detection>
+<Pharmaceutical Quality Control, connectedTo, Supplier Audits>
+<Pharmaceutical Quality Control, connectedTo, end>
+<Pharmaceutical Quality Control, methodologies_applies, Measurement System Analysis>
+<Process Monitoring, connectedTo, Calibration of Instruments>
+<Process Monitoring, partOf, Product Testing>
+<Quality Management Systems, connectedTo, Hardware Quality Testing>
+<Quality Planning, complies, Component Inspection>
+<Regulatory Compliance for Quality, connectedTo, Statistical Process Control>
+<Regulatory Compliance for Quality, improves, Quality Management Systems>
+<Risk_Based Quality Control, connectedTo, Corrective and Preventive Actions>
+<Service Quality Management, connectedTo, Process Monitoring>
+<Service Quality Management, partOf, Product Testing>
+<Six Sigma Methodologies, connectedTo, Customer Feedback Analysis>
+<Six Sigma Methodologies, connectedTo, Service Quality Management>
+<Statistical Process Control, connectedTo, Continuous Improvement>
+<Statistical Process Control, partOf, Audit Planning>
+<Supplier Audits, connectedTo, Risk_Based Quality Control>
+<Supplier Audits, connectedTo, end>
+<start, connectedTo, Pharmaceutical Quality Control>
+<start, connectedTo, Six Sigma Methodologies>
+<start, connectedTo, end>
diff --git a/train/mermaid/hard/mermaid_9.mmd b/train/mermaid/hard/mermaid_9.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..31fabcf73d024e659c975f73f212dfad392c6bea
--- /dev/null
+++ b/train/mermaid/hard/mermaid_9.mmd
@@ -0,0 +1,116 @@
+graph RL
+    N0([start])
+    N1{Anesthesia Administration}
+    N2[[Follow_up]]
+    N3[Home Care Visit]
+    N4{Treatment Plan}
+    N5[(Diagnosis)]
+    N6[Device Implantation]
+    N7([Vaccination])
+    N8([Emergency Response])
+    N9{Health Screening}
+    N10{Surgery}
+    N11[[Allergy Test]]
+    N12[(Symptom Monitoring)]
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Triage
+        nest0_0[Rehabilitation Therapy]
+        nest0_1[(Wound Care)]
+        nest0_2[Imaging Scan]
+    end
+    subgraph Physical Examination
+        nest1_0[[Nutritional Counseling]]
+        nest1_1[(Referral)]
+        nest1_2(Patient Education)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N6 --> nest0_0
+    nest0_2 -.-> N6
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N7 --> nest1_0
+    nest1_2 -.-> |no| N1
+    N0 -.-> S0
+    S0 -.-> N9
+    S0 --> N8
+    S0 --> N3
+    N1 --> S1
+    S1 --> N11
+    S1 -.-> N6
+    N2 -.-> M0
+    N0 -.-> M0
+    N6 --> M0
+    N1 --> M0
+    M0 -.-> N8
+    N4 --> M1
+    N5 --> M1
+    N6 --> M1
+    M1 -.-> N10
+    N1 --> M2
+    N0 --> M2
+    M2 --> N3
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#FBE9E7,stroke:#FF8A65
+    style M0 fill:#FBE9E7,stroke:#FF8A65
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    style M2 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_902.mmd b/train/mermaid/hard/mermaid_902.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5c2cae585681fb6f3027c7d2ccb7deb6aec00b94
--- /dev/null
+++ b/train/mermaid/hard/mermaid_902.mmd
@@ -0,0 +1,104 @@
+graph BT
+    N0([start])
+    N1{Software Quality Assurance}
+    N2[(Quality Management Systems)]
+    N3[X_ray Inspection]
+    N4(Total Quality Management)
+    N5[(Quality Assurance)]
+    N6[(Product Testing)]
+    N7{Measurement System Analysis}
+    N8[Supplier Quality Management]
+    N9[Automated Optical Inspection]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Customer Feedback Analysis
+        nest0_0[Six Sigma Methodologies]
+        nest0_1[Service Quality Management]
+        nest0_2(Non_Conformance Management)
+    end
+    subgraph Supplier Audits
+        nest1_0[[Defect Detection]]
+        nest1_1[Quality Data Analysis]
+        nest1_2[/Calibration of Instruments/]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |yes| nest0_2
+    N4 -.-> nest0_0
+    nest0_2 --> |yes| N7
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N1 --> |yes| nest1_0
+    nest1_2 --> N4
+    N3 -.-> S0
+    S0 --> N6
+    S0 --> N9
+    S0 -.-> N8
+    N3 -.-> S1
+    S1 --> N9
+    S1 --> N6
+    S1 -.-> N5
+    N1 --> S2
+    S2 --> N6
+    S2 --> N3
+    N2 --> |yes| M0
+    N1 --> |yes| M0
+    N3 -.-> M0
+    M0 -.-> N9
+    N5 -.-> |no| M2
+    N2 --> M2
+    N3 -.-> M2
+    M2 -.-> N7
+    style S0 fill:#E4E0DF,stroke:#BDAFA8
+    style S1 fill:#D6D9F0,stroke:#9FA9E1
+    style S2 fill:#D6D9F0,stroke:#9FA9E1
+    style M0 fill:#DED7F0,stroke:#A188DB
+    style M2 fill:#D6D9F0,stroke:#9FA9E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_902.png b/train/mermaid/hard/mermaid_902.png
new file mode 100644
index 0000000000000000000000000000000000000000..2e6b270bed68383fbf9e15f29eaaa3c6684414e0
--- /dev/null
+++ b/train/mermaid/hard/mermaid_902.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:631c1e8cadb3be47d10adc1a043ca0dee3e56a0635ffe97e885bf909ab329f78
+size 472506
diff --git a/train/mermaid/hard/mermaid_903.png b/train/mermaid/hard/mermaid_903.png
new file mode 100644
index 0000000000000000000000000000000000000000..9204d28c34d46a4752aff07787f107f03d01c9ab
--- /dev/null
+++ b/train/mermaid/hard/mermaid_903.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:47b437486a80e10e2cf23cf8bd3f4a8229377053840b4c5ca05f7d7f351cbc41
+size 393112
diff --git a/train/mermaid/hard/mermaid_904.txt b/train/mermaid/hard/mermaid_904.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d55edc3d5ac430ed3d109d5474f41b05f03745f1
--- /dev/null
+++ b/train/mermaid/hard/mermaid_904.txt
@@ -0,0 +1,37 @@
+<Audit Planning, connectedTo, Quality Planning>
+<Audit Planning, connectedTo, Supplier Quality Management>
+<Automated Optical Inspection, connectedTo, Supplier Quality Management>
+<Automated Optical Inspection, partOf, Continuous Improvement>
+<Component Inspection, connectedTo, Inspection Procedures>
+<Inspection Procedures, connectedTo, Audit Planning>
+<Lean Principles in Quality, partOf, Quality Assurance>
+<Lean Principles in Quality, reports_generates, Supplier Audits>
+<Measurement System Analysis, connectedTo, end>
+<Non_Conformance Management, connectedTo, Lean Principles in Quality>
+<Non_Conformance Management, partOf, Quality Assurance>
+<Non_Destructive Testing, connectedTo, Non_Conformance Management>
+<Non_Destructive Testing, connectedTo, Total Quality Management>
+<Process Monitoring, connectedTo, Component Inspection>
+<Process Monitoring, connectedTo, Supplier Quality Management>
+<Quality Control Tools, connectedTo, Automated Optical Inspection>
+<Quality Control Tools, partOf, Continuous Improvement>
+<Quality Data Analysis, connectedTo, Measurement System Analysis>
+<Quality Data Analysis, connectedTo, Non_Destructive Testing>
+<Quality Data Analysis, connectedTo, Testing Methods>
+<Quality Planning, connectedTo, Statistical Process Control>
+<Quality Planning, connectedTo, Supplier Quality Management>
+<Sampling Plans, connectedTo, Process Monitoring>
+<Sampling Plans, connectedTo, Supplier Quality Management>
+<Six Sigma Methodologies, connectedTo, Non_Destructive Testing>
+<Statistical Process Control, connectedTo, Non_Destructive Testing>
+<Statistical Process Control, connectedTo, Six Sigma Methodologies>
+<Statistical Process Control, connectedTo, Supplier Quality Management>
+<Statistical Process Control, connectedTo, Total Quality Management>
+<Statistical Process Control, connectedTo, Trend Analysis>
+<Supplier Audits, connectedTo, Process Monitoring>
+<Supplier Audits, partOf, Quality Assurance>
+<Supplier Quality Management, connectedTo, Quality Data Analysis>
+<Testing Methods, connectedTo, Trend Analysis>
+<Total Quality Management, connectedTo, Measurement System Analysis>
+<Total Quality Management, connectedTo, Quality Control Tools>
+<Trend Analysis, products_evaluates, Six Sigma Methodologies>
diff --git a/train/mermaid/hard/mermaid_907.txt b/train/mermaid/hard/mermaid_907.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d2cac9ccd956a982f85a1f8665af86a4bb36e3cd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_907.txt
@@ -0,0 +1,37 @@
+<AI or ML in ERP, connectedTo, User Acceptance Testing>
+<AI or ML in ERP, no, Asset Management>
+<Asset Management, connectedTo, System Upgrade>
+<Asset Management, partOf, User Access Management>
+<Business Process Re_engineering, connectedTo, AI or ML in ERP>
+<Cloud ERP Deployment, connectedTo, ERP System Selection>
+<Compliance Reporting, connectedTo, Vendor Management>
+<ERP System Selection, connectedTo, Post_Go_Live Support>
+<Financial Management, connectedTo, Integration with Other Systems>
+<Integration with Other Systems, connectedTo, Inventory Management>
+<Inventory Management, yes, end>
+<Master Data Management, connectedTo, Troubleshooting and Support>
+<Mobile ERP Access, connectedTo, Reporting and Analytics>
+<Module Implementation, connectedTo, Workflow Automation in ERP>
+<Module Implementation, partOf, On_Premise ERP Solutions>
+<Performance Optimization, connectedTo, Financial Management>
+<Post_Go_Live Support, connectedTo, Master Data Management>
+<Post_Go_Live Support, connectedTo, Security Management>
+<Post_Go_Live Support, connectedTo, Troubleshooting and Support>
+<Post_Go_Live Support, connectedTo, User Acceptance Testing>
+<Post_Go_Live Support, connectedTo, User Training>
+<Post_Go_Live Support, yes, AI or ML in ERP>
+<Procurement Management, connectedTo, Cloud ERP Deployment>
+<Reporting and Analytics, connectedTo, Master Data Management>
+<Security Management, connectedTo, Mobile ERP Access>
+<System Upgrade, connectedTo, Master Data Management>
+<System Upgrade, partOf, User Access Management>
+<Troubleshooting and Support, connectedTo, Compliance Reporting>
+<User Acceptance Testing, connectedTo, Security Management>
+<User Training, connectedTo, Business Process Re_engineering>
+<Vendor Management, connectedTo, Financial Management>
+<Vendor Management, connectedTo, Integration with Other Systems>
+<Vendor Management, connectedTo, Module Implementation>
+<Vendor Management, connectedTo, Performance Optimization>
+<Workflow Automation in ERP, connectedTo, Mobile ERP Access>
+<Workflow Automation in ERP, partOf, On_Premise ERP Solutions>
+<start, connectedTo, Procurement Management>
diff --git a/train/mermaid/hard/mermaid_91.mmd b/train/mermaid/hard/mermaid_91.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4b832eb7dd47f010645b789621ae35292f81c0cd
--- /dev/null
+++ b/train/mermaid/hard/mermaid_91.mmd
@@ -0,0 +1,152 @@
+graph BT
+    N0([Lost and Found Service])
+    N1[(Activity Booking)]
+    N2([Language Translation Service])
+    N3[Photo Capture]
+    N4(Event Reservation)
+    N5[/Duty_Free Shopping/]
+    N6(Sightseeing Scheduling)
+    N7(Rental Car Pickup)
+    N8(Custom Tour Package Creation)
+    N9[Travel Insurance]
+    N10{Local Transport}
+    N11([Travel Advisory Updates])
+    N12[[Historical Site Exploration]]
+    N13([Return Trip])
+    N14[[Tourist Information Desk]]
+    N15([Tour Guide Assignment])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Cultural Immersion Program
+        nest0_0[[Trip Sharing]]
+        nest0_1[Feedback Collection]
+        nest0_2[Visa Application]
+    end
+    subgraph Spa Appointment
+        nest1_0(Travel Blog Creation)
+        nest1_1(Passport Renewal Assistance)
+        nest1_2[/Airport Transfer/]
+        nest1_3[Museum Visit]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |regulates| N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 --> N15
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N11 -.-> nest0_0
+    nest0_2 -.-> N5
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N13 --> nest1_0
+    nest1_3 -.-> N11
+    N8 -.-> S0
+    S0 -.-> N10
+    S0 -.-> N13
+    S0 --> N14
+    N2 --> S1
+    S1 -.-> N12
+    S1 -.-> N9
+    S1 -.-> N8
+    N0 -.-> M0
+    N1 --> M0
+    N11 -.-> M0
+    M0 -.-> N13
+    N4 --> M1
+    N1 -.-> M1
+    N7 -.-> M1
+    M1 -.-> N9
+    N4 --> M2
+    N6 --> M2
+    N1 --> M2
+    N5 --> M2
+    M2 -.-> N8
+    style N0 fill:#C2E8E6,stroke:#61CAC3
+    style N1 fill:#C2E8E6,stroke:#61CAC3
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#FFE88D,stroke:#FFDA4E
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#C2E8E6,stroke:#61CAC3
+    style N8 fill:#F0F4C3,stroke:#AED581
+    style N9 fill:#C2E8E6,stroke:#61CAC3
+    style N10 fill:#F0F4C3,stroke:#AED581
+    style N11 fill:#F0F4C3,stroke:#AED581
+    style N12 fill:#FFE88D,stroke:#FFDA4E
+    style N13 fill:#F0F4C3,stroke:#AED581
+    style N14 fill:#C2E8E6,stroke:#61CAC3
+    style N15 fill:#C2E8E6,stroke:#61CAC3
+    style S0 fill:#FFE88D,stroke:#FFDA4E
+    style S1 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#C2E8E6,stroke:#61CAC3
+    style M1 fill:#C2E8E6,stroke:#61CAC3
+    style M2 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_0 fill:#FFE88D,stroke:#FFDA4E
+    style nest0_1 fill:#F0F4C3,stroke:#AED581
+    style nest0_2 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_0 fill:#F0F4C3,stroke:#AED581
+    style nest1_1 fill:#F0F4C3,stroke:#AED581
+    style nest1_2 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_3 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_911.txt b/train/mermaid/hard/mermaid_911.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6ac7ed53e020a67fc8d8ce4220da78872be437da
--- /dev/null
+++ b/train/mermaid/hard/mermaid_911.txt
@@ -0,0 +1,33 @@
+<AI or ML in ERP, HR_manages, Data Governance>
+<AI or ML in ERP, connectedTo, Hybrid ERP Models>
+<AI or ML in ERP, connectedTo, System Upgrade>
+<Asset Management, connectedTo, Data Governance>
+<Business Process Re_engineering, connectedTo, Data Migration>
+<Business Process Re_engineering, partOf, Performance Optimization>
+<Data Governance, connectedTo, Supply Chain Management>
+<Data Migration, connectedTo, Human Capital Management>
+<Data Migration, partOf, Performance Optimization>
+<Financial Management, connectedTo, User Training>
+<Human Capital Management, connectedTo, Module Implementation>
+<Human Capital Management, partOf, Performance Optimization>
+<Implementation Roadmap Development, connectedTo, Procurement Management>
+<Implementation Roadmap Development, partOf, ERP Consulting>
+<Module Implementation, connectedTo, System Upgrade>
+<Module Implementation, connectedTo, Vendor Management>
+<Module Implementation, upgrades, Testing ERP Modules>
+<Procurement Management, connectedTo, User Acceptance Testing>
+<Procurement Management, partOf, ERP Consulting>
+<Supply Chain Management, audits, Hybrid ERP Models>
+<System Upgrade, connectedTo, Asset Management>
+<Testing ERP Modules, connectedTo, Implementation Roadmap Development>
+<Testing ERP Modules, partOf, ERP Consulting>
+<User Acceptance Testing, connectedTo, AI or ML in ERP>
+<User Access Management, connectedTo, Module Implementation>
+<User Access Management, connectedTo, System Upgrade>
+<User Training, connectedTo, Supply Chain Management>
+<User Training, connectedTo, System Upgrade>
+<User Training, connectedTo, Vendor Management>
+<User Training, connectedTo, Workflow Automation in ERP>
+<Vendor Management, connectedTo, Business Process Re_engineering>
+<Vendor Management, connectedTo, User Acceptance Testing>
+<Workflow Automation in ERP, connectedTo, User Access Management>
diff --git a/train/mermaid/hard/mermaid_915.mmd b/train/mermaid/hard/mermaid_915.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7978e566d9594593311b5385a86da0e03c6e8cb7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_915.mmd
@@ -0,0 +1,112 @@
+graph BT
+    N0([start])
+    N1[/Automated Irrigation/]
+    N2[Decision Support Systems for Farmers]
+    N3(Digital Soil Mapping)
+    N4{Livestock Feeding Automation}
+    N5[Variable Rate Application]
+    N6([Sensor Deployment])
+    N7[/Blockchain for Agri_Supply Chain/]
+    N8{Smart Livestock Monitoring}
+    N9[/Aquaculture Monitoring/]
+    N10[/Farm Management Software/]
+    N11{Automated Farm Machinery}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Supply Chain Traceability
+        nest0_0(Farm Labor Management Software)
+        nest0_1[(Data Security in Agriculture)]
+        nest0_2[Predictive Analytics for Harvest]
+    end
+    subgraph Herd Health Monitoring
+        nest1_0(Precision Farming)
+        nest1_1([Big Data Analytics for Farms])
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |tracks_equipment| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N1 --> nest0_0
+    nest0_2 -.-> N2
+    nest1_0 --> nest1_1
+    N6 -.-> nest1_0
+    nest1_1 -.-> N3
+    N3 -.-> S0
+    S0 --> N5
+    S0 --> N9
+    S0 -.-> N7
+    N1 -.-> S1
+    S1 -.-> N8
+    S1 -.-> |blockchain_traces| N10
+    N2 -.-> S2
+    S2 --> N8
+    S2 --> N4
+    N3 --> M0
+    N2 -.-> M0
+    N0 --> |waste_reduces| M0
+    M0 -.-> N5
+    style N0 fill:#DDCEDD,stroke:#AF56A6
+    style N1 fill:#DDCEDD,stroke:#AF56A6
+    style N2 fill:#E8F0EA,stroke:#92C79A
+    style N3 fill:#DFE7EB,stroke:#B0C5CD
+    style N4 fill:#DDCEDD,stroke:#AF56A6
+    style N5 fill:#DFE7EB,stroke:#B0C5CD
+    style N6 fill:#DFE7EB,stroke:#B0C5CD
+    style N7 fill:#DDCEDD,stroke:#AF56A6
+    style N8 fill:#DDCEDD,stroke:#AF56A6
+    style N9 fill:#DFE7EB,stroke:#B0C5CD
+    style N10 fill:#DDCEDD,stroke:#AF56A6
+    style N11 fill:#DFE7EB,stroke:#B0C5CD
+    style S0 fill:#E8F0EA,stroke:#92C79A
+    style S1 fill:#E8F0EA,stroke:#92C79A
+    style S2 fill:#E8F0EA,stroke:#92C79A
+    style M0 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_0 fill:#E8F0EA,stroke:#92C79A
+    style nest0_1 fill:#E8F0EA,stroke:#92C79A
+    style nest0_2 fill:#DDCEDD,stroke:#AF56A6
+    style nest1_0 fill:#E8F0EA,stroke:#92C79A
+    style nest1_1 fill:#E8F0EA,stroke:#92C79A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_915.png b/train/mermaid/hard/mermaid_915.png
new file mode 100644
index 0000000000000000000000000000000000000000..809480846512cd2960c141dde89dfffdc2f0511a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_915.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a74b74e6435ed0240ab88b885d022bd29c1e404c996cfae7e00c3176203c5ce8
+size 487554
diff --git a/train/mermaid/hard/mermaid_918.mmd b/train/mermaid/hard/mermaid_918.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cafbc0a7b16d20716cee53e3d9803cbe84046270
--- /dev/null
+++ b/train/mermaid/hard/mermaid_918.mmd
@@ -0,0 +1,152 @@
+graph LR
+    N0([Big Data Analytics for Farms])
+    N1[Data Security in Agriculture]
+    N2(Sustainability Metrics Tracking)
+    N3[/Weather Station Data Integration/]
+    N4[Variable Rate Application]
+    N5[Automated Irrigation]
+    N6(Aquaculture Monitoring)
+    N7[IoT in Agriculture]
+    N8[/Drone Monitoring/]
+    N9[/Yield Mapping/]
+    N10[Digital Agronomy]
+    N11([Livestock Feeding Automation])
+    N12{Sensor Deployment}
+    N13(Automated Farm Machinery)
+    N14[(Crop Insurance Assessment)]
+    N15([Satellite Imaging])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Digital Soil Mapping
+        nest0_0([Farm Data Integration])
+        nest0_1(Farm Management Dashboards)
+        nest0_2{Farm Robotics}
+        nest0_3([AI for Crop Disease Detection])
+    end
+    subgraph Supply Chain Traceability
+        nest1_0[[Predictive Analytics for Harvest]]
+        nest1_1[(Decision Support Systems for Farmers)]
+        nest1_2[(Carbon Farming Initiatives)]
+        nest1_3(Resource Optimization)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |guides| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N10 --> nest0_0
+    nest0_3 --> N3
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N1 -.-> nest1_0
+    nest1_3 --> N4
+    N12 --> S0
+    S0 -.-> N14
+    S0 -.-> N15
+    N6 -.-> S1
+    S1 -.-> N8
+    S1 --> |manages_irrigation| N15
+    S1 -.-> N14
+    N3 --> M0
+    N0 -.-> M0
+    N5 --> M0
+    M0 -.-> N7
+    N11 -.-> M1
+    N4 --> M1
+    M1 --> N13
+    N1 -.-> M2
+    N0 -.-> M2
+    N3 --> M2
+    N2 --> M2
+    M2 --> N5
+    style N0 fill:#FAEBF3,stroke:#F7BEE0
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#FFCDD2,stroke:#F44336
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#FAEBF3,stroke:#F7BEE0
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#FFCDD2,stroke:#F44336
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    style N10 fill:#FAEBF3,stroke:#F7BEE0
+    style N11 fill:#D1C4E9,stroke:#7E57C2
+    style N12 fill:#FFCDD2,stroke:#F44336
+    style N13 fill:#FFCDD2,stroke:#F44336
+    style N14 fill:#FAEBF3,stroke:#F7BEE0
+    style N15 fill:#D1C4E9,stroke:#7E57C2
+    style S0 fill:#FFCDD2,stroke:#F44336
+    style S1 fill:#D1C4E9,stroke:#7E57C2
+    style M0 fill:#FFCDD2,stroke:#F44336
+    style M1 fill:#D1C4E9,stroke:#7E57C2
+    style M2 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_0 fill:#FAEBF3,stroke:#F7BEE0
+    style nest0_1 fill:#FFCDD2,stroke:#F44336
+    style nest0_2 fill:#FFCDD2,stroke:#F44336
+    style nest0_3 fill:#FFCDD2,stroke:#F44336
+    style nest1_0 fill:#D1C4E9,stroke:#7E57C2
+    style nest1_1 fill:#FAEBF3,stroke:#F7BEE0
+    style nest1_2 fill:#FAEBF3,stroke:#F7BEE0
+    style nest1_3 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_919.mmd b/train/mermaid/hard/mermaid_919.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3214f1650093a99f800574d7d723987b8c94167d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_919.mmd
@@ -0,0 +1,142 @@
+graph RL
+    N0([start])
+    N1(Precision Farming)
+    N2[Yield Mapping]
+    N3[/Data Security in Agriculture/]
+    N4([Herd Health Monitoring])
+    N5[[Crop Insurance Assessment]]
+    N6[Resource Optimization]
+    N7[AI for Crop Disease Detection]
+    N8[Market Price Forecasting]
+    N9[Smart Livestock Monitoring]
+    N10(Smart Greenhouses)
+    N11[(Livestock Feeding Automation)]
+    N12[Vertical Farming Technology]
+    N13{Farm Labor Management Software}
+    N14[Farm Management Dashboards]
+    N15[Carbon Farming Initiatives]
+    N16[Farm Management Software]
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Connectivity Solutions
+        nest0_0{Supply Chain Traceability}
+        nest0_1{IoT in Agriculture}
+        nest0_2[Big Data Analytics for Farms]
+        nest0_3([Weather Station Data Integration])
+    end
+    subgraph Variable Rate Application
+        nest1_0[[Sensor Deployment]]
+        nest1_1{Farm Data Integration}
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |complies| N4
+    N4 --> |decision_supports| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> |sensors_deploys| N15
+    N15 -.-> |educates| N16
+    N16 --> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N13 --> nest0_0
+    nest0_3 -.-> N10
+    nest1_0 --> nest1_1
+    N7 --> nest1_0
+    nest1_1 -.-> N15
+    N7 --> S0
+    S0 --> N17
+    S0 --> N16
+    N5 -.-> S1
+    S1 -.-> N13
+    S1 --> N8
+    S1 --> N7
+    N3 --> M0
+    N2 -.-> M0
+    N6 -.-> M0
+    M0 --> N8
+    N4 --> M1
+    N1 -.-> M1
+    N0 --> |manages_irrigation| M1
+    M1 -.-> N6
+    style N0 fill:#E8F5E9,stroke:#66BB6A
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#E8F5E9,stroke:#66BB6A
+    style N3 fill:#E1BEE7,stroke:#9C27B0
+    style N4 fill:#E3F2FD,stroke:#64B5F6
+    style N5 fill:#E3F2FD,stroke:#64B5F6
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#E3F2FD,stroke:#64B5F6
+    style N8 fill:#E1BEE7,stroke:#9C27B0
+    style N9 fill:#E1BEE7,stroke:#9C27B0
+    style N10 fill:#E8F5E9,stroke:#66BB6A
+    style N11 fill:#E8F5E9,stroke:#66BB6A
+    style N12 fill:#E8F5E9,stroke:#66BB6A
+    style N13 fill:#E1BEE7,stroke:#9C27B0
+    style N14 fill:#E1BEE7,stroke:#9C27B0
+    style N15 fill:#E8F5E9,stroke:#66BB6A
+    style N16 fill:#E3F2FD,stroke:#64B5F6
+    style N17 fill:#E1BEE7,stroke:#9C27B0
+    style S0 fill:#E3F2FD,stroke:#64B5F6
+    style S1 fill:#E3F2FD,stroke:#64B5F6
+    style M0 fill:#E3F2FD,stroke:#64B5F6
+    style M1 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_0 fill:#E3F2FD,stroke:#64B5F6
+    style nest0_1 fill:#E8F5E9,stroke:#66BB6A
+    style nest0_2 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_3 fill:#E1BEE7,stroke:#9C27B0
+    style nest1_0 fill:#E8F5E9,stroke:#66BB6A
+    style nest1_1 fill:#E3F2FD,stroke:#64B5F6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_92.mmd b/train/mermaid/hard/mermaid_92.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bed882a11c02080520c775f6c8bac9caad1eeb66
--- /dev/null
+++ b/train/mermaid/hard/mermaid_92.mmd
@@ -0,0 +1,103 @@
+graph TD
+    N0([start])
+    N1[Flight Booking]
+    N2(Emergency Assistance)
+    N3([Airport Transfer])
+    N4([Visa Application])
+    N5{Museum Visit}
+    N6{Baggage Handling}
+    N7[(Passport Renewal Assistance)]
+    N8[[Restaurant Reservation]]
+    N9[Sightseeing Scheduling]
+    N10[[Destination Selection]]
+    N11[Historical Site Exploration]
+    N12([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M2(( ))
+    subgraph Loyalty Program Enrollment
+        nest0_0[(Duty_Free Shopping)]
+        nest0_1(Cultural Immersion Program)
+        nest0_2(Event Reservation)
+        nest0_3{Adventure Sports Booking}
+    end
+    subgraph Lost and Found Service
+        nest1_0[/Spa Appointment/]
+        nest1_1[Travel Advisory Updates]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N6 --> nest0_0
+    nest0_3 --> N12
+    nest1_0 -.-> nest1_1
+    N4 --> nest1_0
+    nest1_1 -.-> N11
+    N3 --> S0
+    S0 --> N10
+    S0 -.-> N11
+    S0 --> N5
+    N8 -.-> S1
+    S1 -.-> |yes| N12
+    S1 -.-> N11
+    S1 --> N10
+    N9 --> S2
+    S2 -.-> N11
+    S2 --> N12
+    N8 -.-> M2
+    N1 --> M2
+    N2 -.-> M2
+    M2 --> N11
+    style S0 fill:#FFDCD6,stroke:#FFB2A5
+    style S1 fill:#B2EBF2,stroke:#00BCD4
+    style S2 fill:#FFDCD6,stroke:#FFB2A5
+    style M2 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_92.png b/train/mermaid/hard/mermaid_92.png
new file mode 100644
index 0000000000000000000000000000000000000000..73552ff91c662cc121ad2647078fa81aabef7d45
--- /dev/null
+++ b/train/mermaid/hard/mermaid_92.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b42e6ee2c0d64a00d3d477caf69212a1a9fb20b4594663842dac959872dd81c1
+size 447269
diff --git a/train/mermaid/hard/mermaid_920.txt b/train/mermaid/hard/mermaid_920.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da5104020c25020770d36a1bc92e59a99ddbe592
--- /dev/null
+++ b/train/mermaid/hard/mermaid_920.txt
@@ -0,0 +1,42 @@
+<AI for Crop Disease Detection, connectedTo, Market Price Forecasting>
+<Automated Irrigation, connectedTo, Carbon Farming Initiatives>
+<Automated Irrigation, connectedTo, Drone Monitoring>
+<Automated Irrigation, connectedTo, Farm Management Software>
+<Automated Irrigation, connectedTo, Livestock Feeding Automation>
+<Automated Irrigation, connectedTo, Weather Station Data Integration>
+<Carbon Farming Initiatives, connectedTo, Farm Management Software>
+<Crop Health Monitoring, connectedTo, Market Price Forecasting>
+<Crop Health Monitoring, connectedTo, Pest and Disease Management Systems>
+<Data Security in Agriculture, connectedTo, Satellite Imaging>
+<Data Security in Agriculture, partOf, Precision Farming>
+<Decision Support Systems for Farmers, blockchain_traces, Digital Agronomy>
+<Decision Support Systems for Farmers, partOf, Predictive Analytics for Harvest>
+<Digital Agronomy, connectedTo, Smart Livestock Monitoring>
+<Digital Agronomy, partOf, Predictive Analytics for Harvest>
+<Drone Monitoring, connectedTo, Farm Data Integration>
+<Drone Monitoring, partOf, Precision Farming>
+<Farm Data Integration, connectedTo, Data Security in Agriculture>
+<Farm Data Integration, partOf, Precision Farming>
+<Livestock Feeding Automation, connectedTo, Farm Management Software>
+<Livestock Feeding Automation, soil_tests, Carbon Farming Initiatives>
+<Market Price Forecasting, connectedTo, Smart Greenhouses>
+<Market Price Forecasting, precision_farming_enables, Automated Irrigation>
+<Pest and Disease Management Systems, connectedTo, Market Price Forecasting>
+<Pest and Disease Management Systems, connectedTo, Smart Livestock Monitoring>
+<Satellite Imaging, connectedTo, Smart Livestock Monitoring>
+<Satellite Imaging, partOf, Precision Farming>
+<Smart Greenhouses, connectedTo, Sustainability Metrics Tracking>
+<Smart Greenhouses, partOf, Predictive Analytics for Harvest>
+<Smart Livestock Monitoring, connectedTo, AI for Crop Disease Detection>
+<Smart Livestock Monitoring, connectedTo, Market Price Forecasting>
+<Supply Chain Traceability, connectedTo, Crop Health Monitoring>
+<Supply Chain Traceability, connectedTo, Farm Management Software>
+<Supply Chain Traceability, connectedTo, Livestock Feeding Automation>
+<Supply Chain Traceability, connectedTo, Pest and Disease Management Systems>
+<Supply Chain Traceability, connectedTo, Smart Livestock Monitoring>
+<Sustainability Metrics Tracking, connectedTo, Decision Support Systems for Farmers>
+<Sustainability Metrics Tracking, partOf, Predictive Analytics for Harvest>
+<Variable Rate Application, connectedTo, Market Price Forecasting>
+<Variable Rate Application, connectedTo, Pest and Disease Management Systems>
+<Variable Rate Application, connectedTo, Supply Chain Traceability>
+<Weather Station Data Integration, connectedTo, Livestock Feeding Automation>
diff --git a/train/mermaid/hard/mermaid_921.txt b/train/mermaid/hard/mermaid_921.txt
new file mode 100644
index 0000000000000000000000000000000000000000..33ef4948c2d0e2eade5fc80cdf2f8a86df757bcc
--- /dev/null
+++ b/train/mermaid/hard/mermaid_921.txt
@@ -0,0 +1,43 @@
+<Anti_Cheat Measures, connectedTo, Live Streaming Production>
+<Anti_Cheat Measures, partOf, Merchandise Sales>
+<Coaching Staff Management, connectedTo, Event Broadcasting>
+<Coaching Staff Management, connectedTo, Game Server Management>
+<Coaching Staff Management, connectedTo, Gaming Hardware Optimization>
+<Coaching Staff Management, connectedTo, Player Contracts>
+<Coaching Staff Management, connectedTo, Social Media Management>
+<Coaching Staff Management, connectedTo, Sponsorship Acquisition>
+<Content Creation, communities_fosters, end>
+<Esports Analytics, connectedTo, Prize Pool Management>
+<Esports Analytics, partOf, League Management>
+<Esports Team Ownership, coaches, Social Media Management>
+<Esports Team Ownership, connectedTo, Game Strategy Development>
+<Event Broadcasting, connectedTo, Network Infrastructure for Tournaments>
+<Event Broadcasting, connectedTo, Player Scouting>
+<Event Broadcasting, connectedTo, Social Media Management>
+<Event Broadcasting, connectedTo, Talent Representation>
+<Gambling and Betting Regulation, connectedTo, Coaching Staff Management>
+<Gambling and Betting Regulation, connectedTo, Sponsorship Acquisition>
+<Game Server Management, connectedTo, Player Wellness Programs>
+<Game Server Management, partOf, League Management>
+<Game Strategy Development, mental_wellness, Gambling and Betting Regulation>
+<Gaming Hardware Optimization, connectedTo, Event Broadcasting>
+<Live Streaming Production, connectedTo, Mental Health Support for Players>
+<Live Streaming Production, partOf, Merchandise Sales>
+<Media Rights Negotiation, connectedTo, Player Scouting>
+<Mental Health Support for Players, connectedTo, Coaching Staff Management>
+<Mental Health Support for Players, partOf, Merchandise Sales>
+<Network Infrastructure for Tournaments, integrity_ensures, Anti_Cheat Measures>
+<Network Infrastructure for Tournaments, partOf, Merchandise Sales>
+<Nutrition for Esports Athletes, connectedTo, Gaming Hardware Optimization>
+<Player Contracts, connectedTo, Sponsorship Acquisition>
+<Player Scouting, connectedTo, Social Media Management>
+<Player Wellness Programs, connectedTo, Esports Analytics>
+<Player Wellness Programs, partOf, League Management>
+<Prize Pool Management, partOf, League Management>
+<Prize Pool Management, streams, Media Rights Negotiation>
+<Social Media Management, connectedTo, Content Creation>
+<Sponsorship Acquisition, innovates, Nutrition for Esports Athletes>
+<Talent Representation, connectedTo, Media Rights Negotiation>
+<Talent Representation, connectedTo, Social Media Management>
+<Talent Representation, connectedTo, end>
+<start, connectedTo, Esports Team Ownership>
diff --git a/train/mermaid/hard/mermaid_923.mmd b/train/mermaid/hard/mermaid_923.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0dc00a43b17e7b5ba1698e53d72ae11aed8ee446
--- /dev/null
+++ b/train/mermaid/hard/mermaid_923.mmd
@@ -0,0 +1,94 @@
+graph BT
+    N0([start])
+    N1(Media Rights Negotiation)
+    N2{Training Regimen}
+    N3[[Live Streaming Production]]
+    N4[(League Management)]
+    N5[[Data Security for Competitions]]
+    N6[/Mental Health Support for Players/]
+    N7{Venue Setup}
+    N8(Rules and Regulations Enforcement)
+    N9(Nutrition for Esports Athletes)
+    N10[/Broadcast Technology for Esports/]
+    N11[/Team Management/]
+    N12([end])
+    S0(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Performance Analysis
+        nest0_0[[Talent Representation]]
+        nest0_1(Player Contracts)
+        nest0_2[(Prize Pool Management)]
+    end
+    subgraph Anti_Cheat Measures
+        nest1_0[[Sponsorship Acquisition]]
+        nest1_1[Esports Education Programs]
+    end
+    N0 -.-> N1
+    N1 -.-> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |yes| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> |yes| N11
+    N11 --> |no| N12
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N9 -.-> nest0_0
+    nest0_2 --> N7
+    nest1_0 -.-> nest1_1
+    N8 --> nest1_0
+    nest1_1 -.-> N2
+    N2 -.-> S0
+    S0 --> N11
+    S0 -.-> N12
+    N9 --> S2
+    S2 -.-> N12
+    S2 -.-> N11
+    N1 --> M0
+    N2 -.-> M0
+    M0 --> N4
+    N1 --> M1
+    N3 -.-> M1
+    M1 --> N5
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style S2 fill:#CFD8DC,stroke:#607D8B
+    style M0 fill:#DACBE3,stroke:#A188D0
+    style M1 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#A188D0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_923.txt b/train/mermaid/hard/mermaid_923.txt
new file mode 100644
index 0000000000000000000000000000000000000000..12b799e6f473662a01c7e212c80c68bd27c223e9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_923.txt
@@ -0,0 +1,32 @@
+<Broadcast Technology for Esports, yes, Team Management>
+<Data Security for Competitions, connectedTo, Mental Health Support for Players>
+<Esports Education Programs, connectedTo, Training Regimen>
+<Esports Education Programs, partOf, Anti_Cheat Measures>
+<League Management, connectedTo, Data Security for Competitions>
+<Live Streaming Production, connectedTo, Data Security for Competitions>
+<Live Streaming Production, connectedTo, League Management>
+<Media Rights Negotiation, connectedTo, Data Security for Competitions>
+<Media Rights Negotiation, connectedTo, League Management>
+<Media Rights Negotiation, yes, Training Regimen>
+<Mental Health Support for Players, yes, Venue Setup>
+<Nutrition for Esports Athletes, connectedTo, Broadcast Technology for Esports>
+<Nutrition for Esports Athletes, connectedTo, Talent Representation>
+<Nutrition for Esports Athletes, connectedTo, Team Management>
+<Nutrition for Esports Athletes, connectedTo, end>
+<Player Contracts, connectedTo, Prize Pool Management>
+<Player Contracts, partOf, Performance Analysis>
+<Prize Pool Management, connectedTo, Venue Setup>
+<Prize Pool Management, partOf, Performance Analysis>
+<Rules and Regulations Enforcement, connectedTo, Nutrition for Esports Athletes>
+<Rules and Regulations Enforcement, connectedTo, Sponsorship Acquisition>
+<Sponsorship Acquisition, connectedTo, Esports Education Programs>
+<Sponsorship Acquisition, partOf, Anti_Cheat Measures>
+<Talent Representation, connectedTo, Player Contracts>
+<Talent Representation, partOf, Performance Analysis>
+<Team Management, no, end>
+<Training Regimen, connectedTo, League Management>
+<Training Regimen, connectedTo, Live Streaming Production>
+<Training Regimen, connectedTo, Team Management>
+<Training Regimen, connectedTo, end>
+<Venue Setup, connectedTo, Rules and Regulations Enforcement>
+<start, connectedTo, Media Rights Negotiation>
diff --git a/train/mermaid/hard/mermaid_924.mmd b/train/mermaid/hard/mermaid_924.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9bac9242fe9fcdc45ba891137893fd38fd448c6c
--- /dev/null
+++ b/train/mermaid/hard/mermaid_924.mmd
@@ -0,0 +1,120 @@
+graph BT
+    N0([Gambling and Betting Regulation])
+    N1[[Esports Team Ownership]]
+    N2[(Esports Education Programs)]
+    N3(Talent Representation)
+    N4{Team Management}
+    N5[Live Streaming Production]
+    N6([Merchandise Sales])
+    N7[(Media Rights Negotiation)]
+    N8[Game Strategy Development]
+    N9[Rules and Regulations Enforcement]
+    N10[(Training Regimen)]
+    N11[Event Broadcasting]
+    N12[Network Infrastructure for Tournaments]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Legal Advisory for Esports
+        nest0_0{Anti_Cheat Measures}
+        nest0_1[Fan Community Building]
+    end
+    subgraph Esports Analytics
+        nest1_0{Performance Analysis}
+        nest1_1[/Data Security for Competitions/]
+        nest1_2[Tournament Organization]
+        nest1_3[Audience Engagement]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 --> nest0_1
+    N8 -.-> nest0_0
+    nest0_1 --> |advertises| N7
+    nest1_0 --> |salaries_manages| nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> nest1_3
+    N7 --> nest1_0
+    nest1_3 --> N5
+    N3 --> S0
+    S0 --> N6
+    S0 -.-> N8
+    N5 -.-> S1
+    S1 --> N12
+    S1 -.-> N11
+    S1 -.-> N8
+    N3 -.-> S2
+    S2 -.-> N10
+    S2 --> N7
+    N0 --> M0
+    N3 --> M0
+    N2 -.-> M0
+    M0 -.-> N8
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#C8E6C9,stroke:#388E3C
+    style N3 fill:#FFCDD2,stroke:#F44336
+    style N4 fill:#FFCDD2,stroke:#F44336
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#C8E6C9,stroke:#388E3C
+    style N7 fill:#E8F0FF,stroke:#A2D0FF
+    style N8 fill:#E8F0FF,stroke:#A2D0FF
+    style N9 fill:#C8E6C9,stroke:#388E3C
+    style N10 fill:#E8F0FF,stroke:#A2D0FF
+    style N11 fill:#C8E6C9,stroke:#388E3C
+    style N12 fill:#FFCDD2,stroke:#F44336
+    style S0 fill:#FFCDD2,stroke:#F44336
+    style S1 fill:#E8F0FF,stroke:#A2D0FF
+    style S2 fill:#C8E6C9,stroke:#388E3C
+    style M0 fill:#C8E6C9,stroke:#388E3C
+    style nest0_0 fill:#E8F0FF,stroke:#A2D0FF
+    style nest0_1 fill:#C8E6C9,stroke:#388E3C
+    style nest1_0 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_1 fill:#C8E6C9,stroke:#388E3C
+    style nest1_2 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_3 fill:#FFCDD2,stroke:#F44336
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_925.png b/train/mermaid/hard/mermaid_925.png
new file mode 100644
index 0000000000000000000000000000000000000000..4f3cbfd67ab67eed2ea9e93ff5b91204d2efb514
--- /dev/null
+++ b/train/mermaid/hard/mermaid_925.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cd45c9584295ca7a0f41da02a61934d8e02d2ca415a3fdd4d1f74ba74c4a25fb
+size 218191
diff --git a/train/mermaid/hard/mermaid_925.txt b/train/mermaid/hard/mermaid_925.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c889a3a0dee1c90df60a867967631afd591d4646
--- /dev/null
+++ b/train/mermaid/hard/mermaid_925.txt
@@ -0,0 +1,36 @@
+<Brand Partnerships, connectedTo, Merchandise Sales>
+<Broadcast Technology for Esports, connectedTo, Data Security for Competitions>
+<Broadcast Technology for Esports, connectedTo, Legal Advisory for Esports>
+<Data Security for Competitions, connectedTo, Game Server Management>
+<Data Security for Competitions, partOf, Venue Setup>
+<Gambling and Betting Regulation, connectedTo, Media Rights Negotiation>
+<Gambling and Betting Regulation, partOf, Gaming Hardware Optimization>
+<Game Publisher Relations, connectedTo, Broadcast Technology for Esports>
+<Game Server Management, connectedTo, Performance Analysis>
+<Game Server Management, partOf, Venue Setup>
+<Game Strategy Development, connectedTo, Brand Partnerships>
+<Game Strategy Development, connectedTo, Merchandise Sales>
+<Game Strategy Development, connectedTo, Player Contracts>
+<Legal Advisory for Esports, connectedTo, Brand Partnerships>
+<Legal Advisory for Esports, connectedTo, Merchandise Sales>
+<Legal Advisory for Esports, connectedTo, Player Contracts>
+<Legal Advisory for Esports, connectedTo, Player Scouting>
+<Media Rights Negotiation, connectedTo, Game Publisher Relations>
+<Performance Analysis, connectedTo, Rules and Regulations Enforcement>
+<Performance Analysis, partOf, Venue Setup>
+<Player Contracts, connectedTo, Brand Partnerships>
+<Player Scouting, connectedTo, Game Strategy Development>
+<Rules and Regulations Enforcement, connectedTo, Game Publisher Relations>
+<Rules and Regulations Enforcement, partOf, Venue Setup>
+<Sponsorship Acquisition, connectedTo, Gambling and Betting Regulation>
+<Sponsorship Acquisition, partOf, Gaming Hardware Optimization>
+<Team Management, connectedTo, Game Publisher Relations>
+<Team Management, connectedTo, Media Rights Negotiation>
+<Team Management, connectedTo, Sponsorship Acquisition>
+<Training Regimen, connectedTo, Game Publisher Relations>
+<Training Regimen, connectedTo, Media Rights Negotiation>
+<Training Regimen, rules_enforces, Team Management>
+<start, connectedTo, Brand Partnerships>
+<start, connectedTo, Media Rights Negotiation>
+<start, connectedTo, Player Scouting>
+<start, connectedTo, Training Regimen>
diff --git a/train/mermaid/hard/mermaid_926.png b/train/mermaid/hard/mermaid_926.png
new file mode 100644
index 0000000000000000000000000000000000000000..70e5ff31c0dcb6f7e025ba9404bca6060418f4c7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_926.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c472a65505afada70939bf66c2db166f0faeb0e5ada9eaa9c1c16d212388d42c
+size 272043
diff --git a/train/mermaid/hard/mermaid_929.mmd b/train/mermaid/hard/mermaid_929.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e580c916c79c1ff0f4fb207db6d54abec06f77d4
--- /dev/null
+++ b/train/mermaid/hard/mermaid_929.mmd
@@ -0,0 +1,126 @@
+graph BT
+    N0([start])
+    N1[(Spike Train Analysis)]
+    N2[[Neurodegenerative Disease Research]]
+    N3(Genetic Basis of Brain Disorders)
+    N4{Sensory Perception Research}
+    N5(Pain Perception Research)
+    N6[[Synaptic Plasticity Study]]
+    N7[[Electrophysiology]]
+    N8[/Artificial Neural Networks Modeling/]
+    N9[/Neurotransmitter Research/]
+    N10[/Transcranial Magnetic Stimulation/]
+    N11(Connectomics)
+    N12([Systems Neuroscience])
+    N13[(Memory Formation Research)]
+    N14[[Computational Neuroscience]]
+    N15[/Brain_Computer Interface/]
+    N16([Neurological Disorder Diagnosis])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Deep Brain Stimulation
+        nest0_0[/Brain Mapping/]
+        nest0_1[[Neural Network Analysis]]
+    end
+    subgraph Neuroprosthetics
+        nest1_0(Consciousness Studies)
+        nest1_1([Aging Brain Research])
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 --> N16
+    nest0_0 -.-> nest0_1
+    N11 --> nest0_0
+    nest0_1 --> N5
+    nest1_0 --> nest1_1
+    N8 -.-> nest1_0
+    nest1_1 --> |discovers| N2
+    N10 -.-> S0
+    S0 -.-> N13
+    S0 --> N14
+    N0 -.-> S1
+    S1 -.-> N6
+    S1 -.-> N9
+    N5 --> M0
+    N7 --> M0
+    M0 -.-> N10
+    N4 -.-> M1
+    N7 --> M1
+    N8 -.-> M1
+    M1 -.-> N11
+    style N0 fill:#D0E0F8,stroke:#4285F4
+    style N1 fill:#FFFAE0,stroke:#FFE470
+    style N2 fill:#D0E0F8,stroke:#4285F4
+    style N3 fill:#D0E0F8,stroke:#4285F4
+    style N4 fill:#FFFAE0,stroke:#FFE470
+    style N5 fill:#D0E0F8,stroke:#4285F4
+    style N6 fill:#D0E0F8,stroke:#4285F4
+    style N7 fill:#FFFAE0,stroke:#FFE470
+    style N8 fill:#D0E0F8,stroke:#4285F4
+    style N9 fill:#D0E0F8,stroke:#4285F4
+    style N10 fill:#D0E0F8,stroke:#4285F4
+    style N11 fill:#D0E0F8,stroke:#4285F4
+    style N12 fill:#D0E0F8,stroke:#4285F4
+    style N13 fill:#ECF0FD,stroke:#B8C0F5
+    style N14 fill:#ECF0FD,stroke:#B8C0F5
+    style N15 fill:#FFFAE0,stroke:#FFE470
+    style N16 fill:#D0E0F8,stroke:#4285F4
+    style S0 fill:#FFFAE0,stroke:#FFE470
+    style S1 fill:#FFFAE0,stroke:#FFE470
+    style M0 fill:#ECF0FD,stroke:#B8C0F5
+    style M1 fill:#D0E0F8,stroke:#4285F4
+    style nest0_0 fill:#D0E0F8,stroke:#4285F4
+    style nest0_1 fill:#D0E0F8,stroke:#4285F4
+    style nest1_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest1_1 fill:#FFFAE0,stroke:#FFE470
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFE470,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_93.png b/train/mermaid/hard/mermaid_93.png
new file mode 100644
index 0000000000000000000000000000000000000000..531d396f39b3c6d5e13e1e1384d3a6e72d228726
--- /dev/null
+++ b/train/mermaid/hard/mermaid_93.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e19ccc9da3822c79da0bd6fec8f2a974ee28c44f369cefc61b6df3a3e3e7db46
+size 459185
diff --git a/train/mermaid/hard/mermaid_931.mmd b/train/mermaid/hard/mermaid_931.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b2eb97fa0a1ee7c7a3072da9938ed202bb9c23d3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_931.mmd
@@ -0,0 +1,118 @@
+graph LR
+    N0([start])
+    N1{Molecular Neuroscience}
+    N2([Neurotransmitter Research])
+    N3([Neurofeedback Therapy])
+    N4{Cellular Neuroscience}
+    N5[Computational Neuroscience]
+    N6[Drug Development for Brain Disorders]
+    N7([Consciousness Studies])
+    N8([Spike Train Analysis])
+    N9[Brain Imaging]
+    N10(Neurodegenerative Disease Research)
+    N11(Neuroprosthetics)
+    N12[(Optogenetics)]
+    N13[[Learning Mechanisms Study]]
+    N14[/Addiction Neuroscience/]
+    N15[[Neurological Disorder Diagnosis]]
+    N16([Neural Network Analysis])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Gene Therapy for Neurological Disorders
+        nest0_0[(Developmental Neuroscience)]
+        nest0_1[Electrophysiology]
+    end
+    subgraph Stem Cell Research
+        nest1_0{Transcranial Magnetic Stimulation}
+        nest1_1[/Behavioral Neuroscience/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    nest0_0 --> nest0_1
+    N13 --> nest0_0
+    nest0_1 -.-> N2
+    nest1_0 -.-> nest1_1
+    N12 --> nest1_0
+    nest1_1 --> N13
+    N13 -.-> S0
+    S0 -.-> N15
+    S0 -.-> |modifies| N16
+    N2 -.-> S1
+    S1 -.-> N12
+    S1 --> |observes| N5
+    N2 -.-> M1
+    N0 --> M1
+    N1 -.-> M1
+    M1 --> N4
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#E9F7E8,stroke:#6EB76D
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#D7CCC8,stroke:#795548
+    style N6 fill:#E9F7E8,stroke:#6EB76D
+    style N7 fill:#D7CCC8,stroke:#795548
+    style N8 fill:#E9F7E8,stroke:#6EB76D
+    style N9 fill:#D7CCC8,stroke:#795548
+    style N10 fill:#E9F7E8,stroke:#6EB76D
+    style N11 fill:#FFF3E0,stroke:#FFA726
+    style N12 fill:#E9F7E8,stroke:#6EB76D
+    style N13 fill:#D7CCC8,stroke:#795548
+    style N14 fill:#FFF3E0,stroke:#FFA726
+    style N15 fill:#FFF3E0,stroke:#FFA726
+    style N16 fill:#E9F7E8,stroke:#6EB76D
+    style S0 fill:#E9F7E8,stroke:#6EB76D
+    style S1 fill:#D7CCC8,stroke:#795548
+    style M1 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_0 fill:#D7CCC8,stroke:#795548
+    style nest0_1 fill:#FFF3E0,stroke:#FFA726
+    style nest1_0 fill:#D7CCC8,stroke:#795548
+    style nest1_1 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#6EB76D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_932.txt b/train/mermaid/hard/mermaid_932.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b57becb045d8d136e555e572f7ab369a33e0721
--- /dev/null
+++ b/train/mermaid/hard/mermaid_932.txt
@@ -0,0 +1,39 @@
+<Addiction Neuroscience, connectedTo, Gene Therapy for Neurological Disorders>
+<Addiction Neuroscience, partOf, Optogenetics>
+<Artificial Neural Networks Modeling, connectedTo, Transcranial Magnetic Stimulation>
+<Artificial Neural Networks Modeling, partOf, Electrophysiology>
+<Behavioral Neuroscience, connectedTo, Molecular Neuroscience>
+<Brain Imaging, connectedTo, Computational Neuroscience>
+<Deep Brain Stimulation, partOf, Electrophysiology>
+<Deep Brain Stimulation, trains, Artificial Neural Networks Modeling>
+<Drug Development for Brain Disorders, connectedTo, Brain Imaging>
+<Gene Therapy for Neurological Disorders, connectedTo, Sleep Research>
+<Gene Therapy for Neurological Disorders, partOf, Optogenetics>
+<Learning Mechanisms Study, connectedTo, Molecular Neuroscience>
+<Learning Mechanisms Study, connectedTo, Neurological Disorder Diagnosis>
+<Memory Formation Research, connectedTo, Addiction Neuroscience>
+<Memory Formation Research, connectedTo, Learning Mechanisms Study>
+<Memory Formation Research, innovates, Molecular Neuroscience>
+<Molecular Neuroscience, connectedTo, Neurotransmitter Research>
+<Neuroethics, connectedTo, Neurofeedback Therapy>
+<Neuroethics, partOf, Optogenetics>
+<Neurofeedback Therapy, connectedTo, Learning Mechanisms Study>
+<Neurofeedback Therapy, connectedTo, Neuroinformatics>
+<Neurofeedback Therapy, connectedTo, Sensory Perception Research>
+<Neuroinformatics, connectedTo, Deep Brain Stimulation>
+<Neuroinformatics, partOf, Electrophysiology>
+<Neurological Disorder Diagnosis, connectedTo, Behavioral Neuroscience>
+<Neurotransmitter Research, connectedTo, Systems Neuroscience>
+<Sensory Perception Research, connectedTo, Learning Mechanisms Study>
+<Sensory Perception Research, connectedTo, Memory Formation Research>
+<Sensory Perception Research, connectedTo, Neurotransmitter Research>
+<Sensory Perception Research, connectedTo, Systems Neuroscience>
+<Sleep Research, partOf, Optogenetics>
+<Sleep Research, processes_data, Neuroethics>
+<Systems Neuroscience, connectedTo, Drug Development for Brain Disorders>
+<Transcranial Magnetic Stimulation, algorithms_develops, Neurological Disorder Diagnosis>
+<Transcranial Magnetic Stimulation, partOf, Electrophysiology>
+<start, connectedTo, Learning Mechanisms Study>
+<start, connectedTo, Molecular Neuroscience>
+<start, connectedTo, Neurofeedback Therapy>
+<start, connectedTo, Neurological Disorder Diagnosis>
diff --git a/train/mermaid/hard/mermaid_933.txt b/train/mermaid/hard/mermaid_933.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d6f7c2143eba95eb94401b9dc4e1ebea25c1401a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_933.txt
@@ -0,0 +1,42 @@
+<Addiction Neuroscience, connectedTo, Cellular Neuroscience>
+<Addiction Neuroscience, connectedTo, Drug Development for Brain Disorders>
+<Addiction Neuroscience, connectedTo, Neural Data Analysis>
+<Addiction Neuroscience, connectedTo, Systems Neuroscience>
+<Addiction Neuroscience, connectedTo, Transcranial Magnetic Stimulation>
+<Aging Brain Research, connectedTo, Computational Neuroscience>
+<Artificial Neural Networks Modeling, connectedTo, Addiction Neuroscience>
+<Artificial Neural Networks Modeling, connectedTo, Neurological Disorder Diagnosis>
+<Brain Imaging, collaborates, Spike Train Analysis>
+<Brain Imaging, partOf, Pain Perception Research>
+<Cellular Neuroscience, connectedTo, Neural Data Analysis>
+<Computational Neuroscience, connectedTo, Memory Formation Research>
+<Connectomics, connectedTo, Drug Development for Brain Disorders>
+<Connectomics, connectedTo, Transcranial Magnetic Stimulation>
+<Connectomics, connectedTo, end>
+<Consciousness Studies, connectedTo, Drug Development for Brain Disorders>
+<Drug Development for Brain Disorders, connectedTo, end>
+<Electrophysiology, connectedTo, Gene Therapy for Neurological Disorders>
+<Gene Therapy for Neurological Disorders, connectedTo, Spike Train Analysis>
+<Gene Therapy for Neurological Disorders, models, Neurofeedback Therapy>
+<Memory Formation Research, connectedTo, Neuroethics>
+<Molecular Neuroscience, connectedTo, Cellular Neuroscience>
+<Molecular Neuroscience, partOf, Neurotransmitter Research>
+<Neural Data Analysis, connectedTo, Connectomics>
+<Neurodegenerative Disease Research, connectedTo, Molecular Neuroscience>
+<Neurodegenerative Disease Research, partOf, Neurotransmitter Research>
+<Neuroethics, connectedTo, Synaptic Plasticity Study>
+<Neurofeedback Therapy, connectedTo, Artificial Neural Networks Modeling>
+<Neurofeedback Therapy, connectedTo, Memory Formation Research>
+<Neuroinformatics, connectedTo, Neurodegenerative Disease Research>
+<Neuroinformatics, connectedTo, Spike Train Analysis>
+<Neuroinformatics, tools_creates, Memory Formation Research>
+<Neurological Disorder Diagnosis, connectedTo, Addiction Neuroscience>
+<Neurological Disorder Diagnosis, connectedTo, Neuroinformatics>
+<Spike Train Analysis, connectedTo, Aging Brain Research>
+<Synaptic Plasticity Study, connectedTo, Addiction Neuroscience>
+<Systems Neuroscience, connectedTo, Brain Imaging>
+<Systems Neuroscience, partOf, Pain Perception Research>
+<Transcranial Magnetic Stimulation, connectedTo, Consciousness Studies>
+<start, connectedTo, Addiction Neuroscience>
+<start, connectedTo, Electrophysiology>
+<start, connectedTo, Spike Train Analysis>
diff --git a/train/mermaid/hard/mermaid_936.png b/train/mermaid/hard/mermaid_936.png
new file mode 100644
index 0000000000000000000000000000000000000000..a9515cff7aaae17d63d449205b81cbe16d689267
--- /dev/null
+++ b/train/mermaid/hard/mermaid_936.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:335eb32f17360d33221638738c48db272c9ac15d316404b76b8c13769f6ab225
+size 192829
diff --git a/train/mermaid/hard/mermaid_936.txt b/train/mermaid/hard/mermaid_936.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0fe61d5b5514678b8d37140a90ae90897af95b65
--- /dev/null
+++ b/train/mermaid/hard/mermaid_936.txt
@@ -0,0 +1,36 @@
+<Artificial Neural Networks Modeling, connectedTo, end>
+<Behavioral Neuroscience, connectedTo, Neurological Disorder Diagnosis>
+<Brain Mapping, connectedTo, Artificial Neural Networks Modeling>
+<Cellular Neuroscience, connectedTo, Neurotransmitter Research>
+<Cellular Neuroscience, connectedTo, Spike Train Analysis>
+<Cognitive Neuroscience, connectedTo, Molecular Neuroscience>
+<Consciousness Studies, connectedTo, Artificial Neural Networks Modeling>
+<Consciousness Studies, connectedTo, Brain Mapping>
+<Drug Development for Brain Disorders, connectedTo, Neural Data Analysis>
+<Drug Development for Brain Disorders, connectedTo, Systems Neuroscience>
+<Electrophysiology, connectedTo, Behavioral Neuroscience>
+<Electrophysiology, connectedTo, Motor Control Research>
+<Electrophysiology, connectedTo, Neural Network Analysis>
+<Gene Therapy for Neurological Disorders, connectedTo, Systems Neuroscience>
+<Gene Therapy for Neurological Disorders, partOf, Sleep Research>
+<Genetic Basis of Brain Disorders, connectedTo, Cellular Neuroscience>
+<Molecular Neuroscience, connectedTo, Artificial Neural Networks Modeling>
+<Molecular Neuroscience, connectedTo, Electrophysiology>
+<Motor Control Research, connectedTo, Drug Development for Brain Disorders>
+<Neural Data Analysis, connectedTo, Neural Network Analysis>
+<Neural Network Analysis, connectedTo, Genetic Basis of Brain Disorders>
+<Neuroethics, connectedTo, Gene Therapy for Neurological Disorders>
+<Neuroethics, partOf, Sleep Research>
+<Neurological Disorder Diagnosis, connectedTo, Artificial Neural Networks Modeling>
+<Neurological Disorder Diagnosis, connectedTo, Motor Control Research>
+<Neurological Disorder Diagnosis, connectedTo, Pain Perception Research>
+<Neurotransmitter Research, no, Consciousness Studies>
+<Pain Perception Research, connectedTo, Sensory Perception Research>
+<Pain Perception Research, partOf, Deep Brain Stimulation>
+<Sensory Perception Research, connectedTo, Artificial Neural Networks Modeling>
+<Sensory Perception Research, partOf, Deep Brain Stimulation>
+<Spike Train Analysis, partOf, Sleep Research>
+<Spike Train Analysis, yes, Neuroethics>
+<Systems Neuroscience, connectedTo, Neural Data Analysis>
+<start, connectedTo, Cognitive Neuroscience>
+<start, connectedTo, Neural Data Analysis>
diff --git a/train/mermaid/hard/mermaid_938.mmd b/train/mermaid/hard/mermaid_938.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d7822016ac83dcfff3a6b598a6ea57e6559c58b7
--- /dev/null
+++ b/train/mermaid/hard/mermaid_938.mmd
@@ -0,0 +1,107 @@
+graph RL
+    N0([start])
+    N1(World Heritage Site Management)
+    N2[/Risk Assessment for Heritage/]
+    N3[Museum Collection Management]
+    N4{Heritage Site Management}
+    N5{Archival Management}
+    N6{Disaster Preparedness for Heritage}
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Digital Storytelling
+        nest0_0(Repatriation of Artifacts)
+        nest0_1[Material Analysis]
+        nest0_2(Artifact Conservation)
+        nest0_3{Exhibition Curation}
+    end
+    subgraph Sustainable Heritage Management
+        nest1_0[/Virtual Reality Recreations/]
+        nest1_1[Crowdsourcing for Heritage Data]
+        nest1_2[Photogrammetry for Documentation]
+        nest1_3(Looting Prevention)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N1 -.-> nest0_0
+    nest0_3 -.-> |yes| N4
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N2 -.-> |no| nest1_0
+    nest1_3 -.-> N5
+    N3 --> S0
+    S0 -.-> N6
+    S0 -.-> |no| N5
+    N1 --> S1
+    S1 --> |yes| N3
+    S1 -.-> N4
+    S1 --> |yes| N5
+    N3 --> S2
+    S2 --> N6
+    S2 -.-> N5
+    N0 -.-> M0
+    N4 --> |yes| M0
+    N1 --> M0
+    M0 -.-> N6
+    N1 -.-> M1
+    N0 --> M1
+    M1 --> N3
+    N0 -.-> M2
+    N1 -.-> M2
+    N3 -.-> M2
+    M2 --> N5
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#FFF6D9,stroke:#FFCC7A
+    style S2 fill:#DACBE3,stroke:#A188D0
+    style M0 fill:#F5F5DC,stroke:#BCB88A
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    style M2 fill:#F5F5DC,stroke:#BCB88A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_938.txt b/train/mermaid/hard/mermaid_938.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6bd47a207a41140ac9e544868ef8c40db5350825
--- /dev/null
+++ b/train/mermaid/hard/mermaid_938.txt
@@ -0,0 +1,37 @@
+<Archival Management, connectedTo, Disaster Preparedness for Heritage>
+<Artifact Conservation, connectedTo, Exhibition Curation>
+<Artifact Conservation, partOf, Digital Storytelling>
+<Crowdsourcing for Heritage Data, connectedTo, Photogrammetry for Documentation>
+<Crowdsourcing for Heritage Data, partOf, Sustainable Heritage Management>
+<Exhibition Curation, partOf, Digital Storytelling>
+<Exhibition Curation, yes, Heritage Site Management>
+<Heritage Site Management, connectedTo, Archival Management>
+<Heritage Site Management, yes, Disaster Preparedness for Heritage>
+<Looting Prevention, connectedTo, Archival Management>
+<Looting Prevention, partOf, Sustainable Heritage Management>
+<Material Analysis, connectedTo, Artifact Conservation>
+<Material Analysis, partOf, Digital Storytelling>
+<Museum Collection Management, connectedTo, Archival Management>
+<Museum Collection Management, connectedTo, Disaster Preparedness for Heritage>
+<Museum Collection Management, connectedTo, Heritage Site Management>
+<Museum Collection Management, no, Archival Management>
+<Photogrammetry for Documentation, connectedTo, Looting Prevention>
+<Photogrammetry for Documentation, partOf, Sustainable Heritage Management>
+<Repatriation of Artifacts, connectedTo, Material Analysis>
+<Repatriation of Artifacts, partOf, Digital Storytelling>
+<Risk Assessment for Heritage, connectedTo, Museum Collection Management>
+<Risk Assessment for Heritage, no, Virtual Reality Recreations>
+<Virtual Reality Recreations, connectedTo, Crowdsourcing for Heritage Data>
+<Virtual Reality Recreations, partOf, Sustainable Heritage Management>
+<World Heritage Site Management, connectedTo, Archival Management>
+<World Heritage Site Management, connectedTo, Disaster Preparedness for Heritage>
+<World Heritage Site Management, connectedTo, Heritage Site Management>
+<World Heritage Site Management, connectedTo, Museum Collection Management>
+<World Heritage Site Management, connectedTo, Repatriation of Artifacts>
+<World Heritage Site Management, connectedTo, Risk Assessment for Heritage>
+<World Heritage Site Management, yes, Archival Management>
+<World Heritage Site Management, yes, Museum Collection Management>
+<start, connectedTo, Archival Management>
+<start, connectedTo, Disaster Preparedness for Heritage>
+<start, connectedTo, Museum Collection Management>
+<start, connectedTo, World Heritage Site Management>
diff --git a/train/mermaid/hard/mermaid_939.png b/train/mermaid/hard/mermaid_939.png
new file mode 100644
index 0000000000000000000000000000000000000000..2e7851e2884e8c6d691d58a16993376783150d95
--- /dev/null
+++ b/train/mermaid/hard/mermaid_939.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5ed5236a42000ac7d83adeb5ed6b8bed2d35c2475cbc8c83366c488746e047b0
+size 173629
diff --git a/train/mermaid/hard/mermaid_943.png b/train/mermaid/hard/mermaid_943.png
new file mode 100644
index 0000000000000000000000000000000000000000..81c4e313c7d764a6f0c6911ed0af6292a388d63b
--- /dev/null
+++ b/train/mermaid/hard/mermaid_943.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29940094c399ce4e6318a63e75ee662455f67c8387344fdafec29e0e6cd11158
+size 378009
diff --git a/train/mermaid/hard/mermaid_943.txt b/train/mermaid/hard/mermaid_943.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ca456878ab60b086ce459e080cf58bea2896349
--- /dev/null
+++ b/train/mermaid/hard/mermaid_943.txt
@@ -0,0 +1,32 @@
+<Climate Change Impact on Heritage, connectedTo, Looting Prevention>
+<Climate Change Impact on Heritage, yes, Intangible Cultural Heritage Preservation>
+<Community Engagement, connectedTo, Climate Change Impact on Heritage>
+<Community Engagement, connectedTo, Illicit Trafficking Control>
+<Disaster Preparedness for Heritage, connectedTo, Legal Protection for Heritage>
+<Disaster Preparedness for Heritage, partOf, Archaeological Excavation>
+<Exhibition Curation, connectedTo, Illicit Trafficking Control>
+<Exhibition Curation, connectedTo, Intangible Cultural Heritage Preservation>
+<Exhibition Curation, connectedTo, Legal Protection for Heritage>
+<GIS Mapping for Heritage Sites, connectedTo, Risk Assessment for Heritage>
+<GIS Mapping for Heritage Sites, partOf, Archaeological Excavation>
+<Illicit Trafficking Control, connectedTo, Intangible Cultural Heritage Preservation>
+<Legal Protection for Heritage, connectedTo, GIS Mapping for Heritage Sites>
+<Legal Protection for Heritage, connectedTo, Illicit Trafficking Control>
+<Looting Prevention, connectedTo, Illicit Trafficking Control>
+<Looting Prevention, connectedTo, Intangible Cultural Heritage Preservation>
+<Looting Prevention, connectedTo, Site Preservation>
+<Looting Prevention, connectedTo, World Heritage Site Management>
+<Material Analysis, connectedTo, Illicit Trafficking Control>
+<Material Analysis, partOf, Public Education Programs>
+<Remote Sensing for Heritage, connectedTo, Community Engagement>
+<Risk Assessment for Heritage, no, Disaster Preparedness for Heritage>
+<Risk Assessment for Heritage, partOf, Archaeological Excavation>
+<Site Preservation, connectedTo, Exhibition Curation>
+<Site Preservation, connectedTo, Illicit Trafficking Control>
+<Site Preservation, connectedTo, Intangible Cultural Heritage Preservation>
+<Site Preservation, connectedTo, Legal Protection for Heritage>
+<Site Preservation, connectedTo, Traditional Knowledge Documentation>
+<Traditional Knowledge Documentation, connectedTo, Exhibition Curation>
+<World Heritage Site Management, connectedTo, Material Analysis>
+<World Heritage Site Management, partOf, Public Education Programs>
+<start, connectedTo, Remote Sensing for Heritage>
diff --git a/train/mermaid/hard/mermaid_946.mmd b/train/mermaid/hard/mermaid_946.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2fff4628cc660b64ab7d10ed238bb281d63c8036
--- /dev/null
+++ b/train/mermaid/hard/mermaid_946.mmd
@@ -0,0 +1,114 @@
+graph BT
+    N0([start])
+    N1[(Sustainable Chemical Production)]
+    N2[Directed Evolution Automation]
+    N3([Synthetic Organism Design])
+    N4[[Cell_Free Systems]]
+    N5{Genome Engineering}
+    N6[/DNA Synthesis/]
+    N7[/Risk Assessment/]
+    N8[[Protein Design]]
+    N9[[Biosafety Level Management]]
+    N10[[Bio_manufacturing]]
+    N11[Modular Biology Design]
+    N12([CRISPR_Cas System Optimization])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    subgraph High_Throughput Screening
+        nest0_0(Biocontainment Strategies)
+        nest0_1{Microbial Factories}
+    end
+    subgraph Bio_logic Gates
+        nest1_0[Synthetic Gene Networks]
+        nest1_1[(Regulatory Frameworks)]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |purifies| N7
+    N7 --> |ethical_considers| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 --> nest0_1
+    N6 --> nest0_0
+    nest0_1 --> N5
+    nest1_0 --> nest1_1
+    N11 -.-> nest1_0
+    nest1_1 -.-> N7
+    N1 --> S0
+    S0 --> N4
+    S0 -.-> N11
+    S0 --> |clones| N3
+    N7 --> S1
+    S1 --> N9
+    S1 --> |complies| N11
+    S1 --> N10
+    N5 --> S2
+    S2 --> N11
+    S2 --> N7
+    N8 --> M1
+    N6 -.-> M1
+    N5 -.-> M1
+    M1 --> N10
+    style N0 fill:#FFE88D,stroke:#FFDA4E
+    style N1 fill:#C8E6C9,stroke:#4CAF50
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#C8E6C9,stroke:#4CAF50
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#F1F8E9,stroke:#81C784
+    style N7 fill:#C8E6C9,stroke:#4CAF50
+    style N8 fill:#C8E6C9,stroke:#4CAF50
+    style N9 fill:#F1F8E9,stroke:#81C784
+    style N10 fill:#C8E6C9,stroke:#4CAF50
+    style N11 fill:#FFE88D,stroke:#FFDA4E
+    style N12 fill:#F1F8E9,stroke:#81C784
+    style S0 fill:#C8E6C9,stroke:#4CAF50
+    style S1 fill:#FFE88D,stroke:#FFDA4E
+    style S2 fill:#FFE88D,stroke:#FFDA4E
+    style M1 fill:#FFE88D,stroke:#FFDA4E
+    style nest0_0 fill:#F1F8E9,stroke:#81C784
+    style nest0_1 fill:#C8E6C9,stroke:#4CAF50
+    style nest1_0 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_1 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_947.mmd b/train/mermaid/hard/mermaid_947.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b50c1e4e6bcc73192ef1d4ccc4edb81c66e97ea6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_947.mmd
@@ -0,0 +1,108 @@
+graph LR
+    N0([start])
+    N1([Bioremediation Applications])
+    N2[CRISPR_Cas System Optimization]
+    N3([Public Engagement])
+    N4([Directed Evolution Automation])
+    N5[(Synthetic Organism Design)]
+    N6[Genetic Circuit Design]
+    N7[[Cell_Free Systems]]
+    N8{Gene Synthesis Platforms}
+    N9[Metabolic Pathway Engineering]
+    N10[/Biofuel Production/]
+    N11[[Artificial Cells]]
+    N12([Genome Engineering])
+    N13[(Regulatory Frameworks)]
+    N14[(Bio_logic Gates)]
+    N15{Gene Therapy Delivery Systems}
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Bio_computation
+        nest0_0(High_Throughput Screening)
+        nest0_1[(Risk Assessment)]
+        nest0_2[/Vaccine Synthesis/]
+    end
+    subgraph Modular Biology Design
+        nest1_0[(Novel Enzyme Creation)]
+        nest1_1(Automated Biology Workflows)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |no| N3
+    N3 --> |yes| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> |yes| N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> N16
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 -.-> N14
+    nest1_0 --> nest1_1
+    N3 --> nest1_0
+    nest1_1 --> N4
+    N8 --> S0
+    S0 -.-> N11
+    S0 --> |yes| N14
+    N11 --> S1
+    S1 -.-> N15
+    S1 --> N13
+    S1 --> N14
+    N2 --> M0
+    N0 -.-> M0
+    M0 -.-> N7
+    N7 --> |yes| M1
+    N4 --> M1
+    M1 -.-> N15
+    style S0 fill:#FFDCD6,stroke:#FFB2A5
+    style S1 fill:#FFF9D4,stroke:#FFE69C
+    style M0 fill:#FFDCD6,stroke:#FFB2A5
+    style M1 fill:#FFDCD6,stroke:#FFB2A5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_95.txt b/train/mermaid/hard/mermaid_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..86644ab0498774de1ec69f67f6d41918952fe9c6
--- /dev/null
+++ b/train/mermaid/hard/mermaid_95.txt
@@ -0,0 +1,41 @@
+<Activity Booking, connectedTo, Cultural Immersion Program>
+<Activity Booking, connectedTo, Tour Guide Assignment>
+<Airport Transfer, connectedTo, Activity Booking>
+<Booking Modification, connectedTo, Visa Application>
+<Booking Modification, partOf, Museum Visit>
+<Cultural Immersion Program, connectedTo, end>
+<Currency Exchange, connectedTo, Airport Transfer>
+<Currency Exchange, connectedTo, Duty_Free Shopping>
+<Currency Exchange, connectedTo, Group Tour Coordination>
+<Custom Tour Package Creation, connectedTo, Cultural Immersion Program>
+<Custom Tour Package Creation, connectedTo, Group Tour Coordination>
+<Custom Tour Package Creation, connectedTo, Spa Appointment>
+<Custom Tour Package Creation, connectedTo, end>
+<Destination Selection, connectedTo, Event Reservation>
+<Destination Selection, partOf, Feedback Collection>
+<Duty_Free Shopping, connectedTo, Custom Tour Package Creation>
+<Event Reservation, connectedTo, Cultural Immersion Program>
+<Event Reservation, partOf, Feedback Collection>
+<Group Tour Coordination, connectedTo, Cultural Immersion Program>
+<Group Tour Coordination, connectedTo, Hotel Check_in>
+<Historical Site Exploration, connectedTo, Itinerary Planning>
+<Historical Site Exploration, connectedTo, Loyalty Program Enrollment>
+<Hotel Check_in, connectedTo, Airport Transfer>
+<Itinerary Planning, connectedTo, Restaurant Reservation>
+<Language Translation Service, connectedTo, Local Transport>
+<Language Translation Service, partOf, Feedback Collection>
+<Local Transport, connectedTo, Destination Selection>
+<Local Transport, partOf, Feedback Collection>
+<Loyalty Program Enrollment, connectedTo, Travel Advisory Updates>
+<Loyalty Program Enrollment, no, Itinerary Planning>
+<Restaurant Reservation, connectedTo, Currency Exchange>
+<Spa Appointment, connectedTo, Booking Modification>
+<Spa Appointment, partOf, Museum Visit>
+<Tour Guide Assignment, connectedTo, Cultural Immersion Program>
+<Tour Guide Assignment, no, Language Translation Service>
+<Travel Advisory Updates, yes, Itinerary Planning>
+<Visa Application, connectedTo, Custom Tour Package Creation>
+<Visa Application, partOf, Museum Visit>
+<start, connectedTo, Historical Site Exploration>
+<start, connectedTo, Itinerary Planning>
+<start, yes, Cultural Immersion Program>
diff --git a/train/mermaid/hard/mermaid_951.png b/train/mermaid/hard/mermaid_951.png
new file mode 100644
index 0000000000000000000000000000000000000000..6a3032c37535e8b82cfadaf0063f8a94832c0fe9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_951.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dcfc25a5d7426dc2311bff50eef597705478c956ee523744cf405814d53a8aa2
+size 200302
diff --git a/train/mermaid/hard/mermaid_956.png b/train/mermaid/hard/mermaid_956.png
new file mode 100644
index 0000000000000000000000000000000000000000..bb84b2cc6a5c8ca105d28d0c8f5f72546af66d7a
--- /dev/null
+++ b/train/mermaid/hard/mermaid_956.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19535887f4d8dd19f47b75d78b21c840c0f838ee178fa822da98fc2a979bdbb7
+size 225284
diff --git a/train/mermaid/hard/mermaid_956.txt b/train/mermaid/hard/mermaid_956.txt
new file mode 100644
index 0000000000000000000000000000000000000000..08081ab9a2da7c7ff09affd9e88167bd217fb8b2
--- /dev/null
+++ b/train/mermaid/hard/mermaid_956.txt
@@ -0,0 +1,36 @@
+<AI in Education, connectedTo, Cybersecurity for EdTech>
+<Augmented Reality in Education, connectedTo, Learning Management System Development>
+<Augmented Reality in Education, partOf, Educational Apps Development>
+<Cybersecurity for EdTech, connectedTo, Learning Management System Development>
+<Cybersecurity for EdTech, connectedTo, Parent Engagement Tools>
+<E_Learning Platform Design, connectedTo, Teacher Training Platforms>
+<E_Learning Platform Design, partOf, Adaptive Learning Systems>
+<Educational Data Mining, connectedTo, AI in Education>
+<Educational Data Mining, connectedTo, Cybersecurity for EdTech>
+<Educational Data Mining, connectedTo, Parent Engagement Tools>
+<Educational Data Mining, connectedTo, Personalized Learning Paths>
+<Educational Data Mining, connectedTo, Virtual Reality in Education>
+<Interactive Content Creation, connectedTo, Augmented Reality in Education>
+<Interactive Content Creation, partOf, Educational Apps Development>
+<Learning Analytics Dashboards, connectedTo, Learning Design Principles>
+<Learning Analytics Dashboards, connectedTo, Learning Management System Development>
+<Learning Analytics Dashboards, partners, AI in Education>
+<Learning Design Principles, connectedTo, AI in Education>
+<Learning Design Principles, connectedTo, Learning Management System Development>
+<Learning Design Principles, connectedTo, Professional Development for Educators>
+<Learning Design Principles, connectedTo, Simulations for Learning>
+<Learning Design Principles, connectedTo, Virtual Reality in Education>
+<Learning Management System Development, connectedTo, Simulations for Learning>
+<Massive Open Online Courses, connectedTo, E_Learning Platform Design>
+<Massive Open Online Courses, partOf, Adaptive Learning Systems>
+<Parent Engagement Tools, connectedTo, Interactive Content Creation>
+<Parent Engagement Tools, connectedTo, Learning Management System Development>
+<Personalized Learning Paths, connectedTo, AI in Education>
+<Personalized Learning Paths, connectedTo, Learning Analytics Dashboards>
+<Personalized Learning Paths, connectedTo, Learning Management System Development>
+<Professional Development for Educators, connectedTo, AI in Education>
+<Professional Development for Educators, connectedTo, Learning Management System Development>
+<Professional Development for Educators, connectedTo, Massive Open Online Courses>
+<Simulations for Learning, connectedTo, Virtual Reality in Education>
+<Teacher Training Platforms, connectedTo, Parent Engagement Tools>
+<Teacher Training Platforms, partOf, Adaptive Learning Systems>
diff --git a/train/mermaid/hard/mermaid_957.mmd b/train/mermaid/hard/mermaid_957.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bfa31732fe85da3f165e8d936af2456448f596f9
--- /dev/null
+++ b/train/mermaid/hard/mermaid_957.mmd
@@ -0,0 +1,134 @@
+graph TD
+    N0([EdTech Hardware Solutions])
+    N1[Accessibility in EdTech]
+    N2[Gamified Learning]
+    N3[[Simulations for Learning]]
+    N4[Assessment Tools]
+    N5[Competency_Based Learning Platforms]
+    N6[Collaborative Learning Platforms]
+    N7(Personalized Learning Paths)
+    N8[/AI in Education/]
+    N9([Virtual Labs])
+    N10(Virtual Reality in Education)
+    N11[Interactive Content Creation]
+    N12[[Parent Engagement Tools]]
+    N13(Massive Open Online Courses)
+    N14[/Badging and Certification Systems/]
+    N15[Augmented Reality in Education]
+    N16[(Teacher Training Platforms)]
+    N17[/Student Information Systems/]
+    N18[(Open Educational Resources)]
+    N19([Professional Development for Educators])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Blockchain for Educational Credentials
+        nest0_0[(Learning Analytics Dashboards)]
+        nest0_1[/Virtual Classrooms/]
+    end
+    subgraph Educational Apps Development
+        nest1_0(Social_Emotional Learning Tools)
+        nest1_1[/Formative Assessment Tools/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> |researches| N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> |accessibility_ensures| N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    N17 -.-> N18
+    N18 -.-> N19
+    nest0_0 -.-> nest0_1
+    N3 -.-> nest0_0
+    nest0_1 -.-> N13
+    nest1_0 -.-> nest1_1
+    N4 --> nest1_0
+    nest1_1 -.-> N1
+    N13 -.-> S0
+    S0 -.-> N19
+    S0 --> N18
+    S0 -.-> N16
+    N11 -.-> S1
+    S1 --> N15
+    S1 --> N18
+    S1 -.-> N16
+    N3 -.-> M0
+    N0 --> |students_supports| M0
+    N2 --> M0
+    M0 -.-> N6
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#E8F0FF,stroke:#A2D0FF
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#E8F0FF,stroke:#A2D0FF
+    style N7 fill:#E1F5FE,stroke:#4FC3F7
+    style N8 fill:#E8F0FF,stroke:#A2D0FF
+    style N9 fill:#E8F0FF,stroke:#A2D0FF
+    style N10 fill:#F9FBE7,stroke:#DCE775
+    style N11 fill:#F9FBE7,stroke:#DCE775
+    style N12 fill:#F9FBE7,stroke:#DCE775
+    style N13 fill:#F9FBE7,stroke:#DCE775
+    style N14 fill:#E1F5FE,stroke:#4FC3F7
+    style N15 fill:#E1F5FE,stroke:#4FC3F7
+    style N16 fill:#E8F0FF,stroke:#A2D0FF
+    style N17 fill:#E1F5FE,stroke:#4FC3F7
+    style N18 fill:#E1F5FE,stroke:#4FC3F7
+    style N19 fill:#E8F0FF,stroke:#A2D0FF
+    style S0 fill:#E1F5FE,stroke:#4FC3F7
+    style S1 fill:#F9FBE7,stroke:#DCE775
+    style M0 fill:#F9FBE7,stroke:#DCE775
+    style nest0_0 fill:#E1F5FE,stroke:#4FC3F7
+    style nest0_1 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_0 fill:#F9FBE7,stroke:#DCE775
+    style nest1_1 fill:#E1F5FE,stroke:#4FC3F7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_957.txt b/train/mermaid/hard/mermaid_957.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da88913da181295f41c14aba401b8866027331ef
--- /dev/null
+++ b/train/mermaid/hard/mermaid_957.txt
@@ -0,0 +1,38 @@
+<AI in Education, connectedTo, Virtual Labs>
+<Accessibility in EdTech, connectedTo, Gamified Learning>
+<Assessment Tools, connectedTo, Competency_Based Learning Platforms>
+<Assessment Tools, connectedTo, Social_Emotional Learning Tools>
+<Augmented Reality in Education, connectedTo, Teacher Training Platforms>
+<Badging and Certification Systems, connectedTo, Augmented Reality in Education>
+<Collaborative Learning Platforms, connectedTo, Personalized Learning Paths>
+<Competency_Based Learning Platforms, connectedTo, Collaborative Learning Platforms>
+<EdTech Hardware Solutions, connectedTo, Accessibility in EdTech>
+<EdTech Hardware Solutions, students_supports, Collaborative Learning Platforms>
+<Formative Assessment Tools, connectedTo, Accessibility in EdTech>
+<Formative Assessment Tools, partOf, Educational Apps Development>
+<Gamified Learning, connectedTo, Collaborative Learning Platforms>
+<Gamified Learning, connectedTo, Simulations for Learning>
+<Interactive Content Creation, connectedTo, Augmented Reality in Education>
+<Interactive Content Creation, connectedTo, Open Educational Resources>
+<Interactive Content Creation, connectedTo, Parent Engagement Tools>
+<Interactive Content Creation, connectedTo, Teacher Training Platforms>
+<Learning Analytics Dashboards, connectedTo, Virtual Classrooms>
+<Learning Analytics Dashboards, partOf, Blockchain for Educational Credentials>
+<Massive Open Online Courses, accessibility_ensures, Badging and Certification Systems>
+<Massive Open Online Courses, connectedTo, Open Educational Resources>
+<Massive Open Online Courses, connectedTo, Professional Development for Educators>
+<Massive Open Online Courses, connectedTo, Teacher Training Platforms>
+<Open Educational Resources, connectedTo, Professional Development for Educators>
+<Parent Engagement Tools, connectedTo, Massive Open Online Courses>
+<Personalized Learning Paths, connectedTo, AI in Education>
+<Simulations for Learning, connectedTo, Assessment Tools>
+<Simulations for Learning, connectedTo, Collaborative Learning Platforms>
+<Simulations for Learning, connectedTo, Learning Analytics Dashboards>
+<Social_Emotional Learning Tools, connectedTo, Formative Assessment Tools>
+<Social_Emotional Learning Tools, partOf, Educational Apps Development>
+<Student Information Systems, connectedTo, Open Educational Resources>
+<Teacher Training Platforms, connectedTo, Student Information Systems>
+<Virtual Classrooms, connectedTo, Massive Open Online Courses>
+<Virtual Classrooms, partOf, Blockchain for Educational Credentials>
+<Virtual Labs, connectedTo, Virtual Reality in Education>
+<Virtual Reality in Education, researches, Interactive Content Creation>
diff --git a/train/mermaid/hard/mermaid_959.txt b/train/mermaid/hard/mermaid_959.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29cef8cfa7f6dce7737552b968a3505f853a2eb8
--- /dev/null
+++ b/train/mermaid/hard/mermaid_959.txt
@@ -0,0 +1,35 @@
+<Accessibility in EdTech, connectedTo, Cybersecurity for EdTech>
+<Accessibility in EdTech, partOf, Virtual Labs>
+<Adaptive Learning Systems, connectedTo, Badging and Certification Systems>
+<Adaptive Learning Systems, partOf, Simulations for Learning>
+<Assessment Tools, connectedTo, Digital Textbooks>
+<Assessment Tools, connectedTo, Learning Analytics Dashboards>
+<Assessment Tools, connectedTo, Personalized Learning Paths>
+<Assessment Tools, connectedTo, Teacher Training Platforms>
+<Assessment Tools, connectedTo, Virtual Reality in Education>
+<Badging and Certification Systems, connectedTo, Student Information Systems>
+<Badging and Certification Systems, partOf, Simulations for Learning>
+<Collaborative Learning Platforms, connectedTo, Learning Analytics Dashboards>
+<Collaborative Learning Platforms, partOf, Simulations for Learning>
+<Curriculum Digitization, connectedTo, Educational Apps Development>
+<Curriculum Digitization, partOf, Virtual Labs>
+<Cybersecurity for EdTech, connectedTo, Learning Analytics Dashboards>
+<Cybersecurity for EdTech, partOf, Virtual Labs>
+<Digital Textbooks, connectedTo, Personalized Learning Paths>
+<Educational Apps Development, connectedTo, Accessibility in EdTech>
+<Educational Apps Development, partOf, Virtual Labs>
+<Learning Analytics Dashboards, connectedTo, Adaptive Learning Systems>
+<Learning Analytics Dashboards, connectedTo, Digital Textbooks>
+<Learning Analytics Dashboards, connectedTo, Personalized Learning Paths>
+<Learning Analytics Dashboards, innovates, Teacher Training Platforms>
+<Learning Analytics Dashboards, platforms_builds, Digital Textbooks>
+<Open Educational Resources, connectedTo, Assessment Tools>
+<Open Educational Resources, connectedTo, Digital Textbooks>
+<Open Educational Resources, connectedTo, Teacher Training Platforms>
+<Student Information Systems, connectedTo, Collaborative Learning Platforms>
+<Student Information Systems, partOf, Simulations for Learning>
+<Teacher Training Platforms, connectedTo, Digital Textbooks>
+<Virtual Reality in Education, connectedTo, Curriculum Digitization>
+<Virtual Reality in Education, connectedTo, Digital Textbooks>
+<Virtual Reality in Education, connectedTo, Teacher Training Platforms>
+<Virtual Reality in Education, manages, Learning Analytics Dashboards>
diff --git a/train/mermaid/hard/mermaid_96.txt b/train/mermaid/hard/mermaid_96.txt
new file mode 100644
index 0000000000000000000000000000000000000000..65770e50bed69be6c3f15dff777bfe7b08d42071
--- /dev/null
+++ b/train/mermaid/hard/mermaid_96.txt
@@ -0,0 +1,39 @@
+<Destination Selection, connectedTo, Travel Blog Creation>
+<Destination Selection, partOf, Custom Tour Package Creation>
+<Duty_Free Shopping, connectedTo, Passport Renewal Assistance>
+<Event Reservation, connectedTo, Lost and Found Service>
+<Event Reservation, partOf, Cruise Ship Boarding>
+<Flight Booking, connectedTo, Photo Capture>
+<Hotel Check_in, connectedTo, Duty_Free Shopping>
+<Hotel Check_in, partOf, Cruise Ship Boarding>
+<Itinerary Planning, connectedTo, Destination Selection>
+<Itinerary Planning, partOf, Custom Tour Package Creation>
+<Language Translation Service, connectedTo, Duty_Free Shopping>
+<Language Translation Service, connectedTo, Feedback Collection>
+<Language Translation Service, connectedTo, Itinerary Planning>
+<Language Translation Service, connectedTo, Passport Renewal Assistance>
+<Language Translation Service, connectedTo, Photo Capture>
+<Lost and Found Service, partOf, Cruise Ship Boarding>
+<Lost and Found Service, yes, Hotel Check_in>
+<Passport Renewal Assistance, connectedTo, Travel Insurance>
+<Photo Capture, connectedTo, Tour Guide Assignment>
+<Rental Car Pickup, connectedTo, Flight Booking>
+<Rental Car Pickup, partOf, Custom Tour Package Creation>
+<Restaurant Reservation, connectedTo, Feedback Collection>
+<Restaurant Reservation, connectedTo, Souvenir Shopping>
+<Souvenir Shopping, connectedTo, Event Reservation>
+<Souvenir Shopping, connectedTo, Feedback Collection>
+<Tour Guide Assignment, connectedTo, Restaurant Reservation>
+<Tourist Information Desk, connectedTo, Duty_Free Shopping>
+<Tourist Information Desk, connectedTo, Feedback Collection>
+<Tourist Information Desk, connectedTo, Flight Booking>
+<Tourist Information Desk, connectedTo, Language Translation Service>
+<Tourist Information Desk, connectedTo, Travel Insurance>
+<Tourist Information Desk, yes, Feedback Collection>
+<Travel Blog Creation, connectedTo, Rental Car Pickup>
+<Travel Blog Creation, partOf, Custom Tour Package Creation>
+<Travel Insurance, connectedTo, Flight Booking>
+<start, connectedTo, Feedback Collection>
+<start, connectedTo, Passport Renewal Assistance>
+<start, connectedTo, Tourist Information Desk>
+<start, no, Duty_Free Shopping>
diff --git a/train/mermaid/hard/mermaid_97.mmd b/train/mermaid/hard/mermaid_97.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..424a87bf939f858a205794de09c34575c944a565
--- /dev/null
+++ b/train/mermaid/hard/mermaid_97.mmd
@@ -0,0 +1,144 @@
+graph BT
+    N0([Tenant Screening])
+    N1[Home Inspection]
+    N2{Title Check}
+    N3[Ownership Transfer]
+    N4(Mortgage Application Assistance)
+    N5(Property Appraisal)
+    N6{Property Listing}
+    N7(Zoning Compliance)
+    N8[(Agent Assignment)]
+    N9[/Property Valuation/]
+    N10[(Commercial Lease Negotiation)]
+    N11([Property Insurance])
+    N12(Document Signing)
+    N13(Rental Agreement)
+    N14(Price Negotiation)
+    N15(Brokerage License Renewal)
+    N16{Maintenance Request}
+    N17([Commission Distribution])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Loan Pre_Approval
+        nest0_0(Tax Assessment)
+        nest0_1{Offer Submission}
+        nest0_2{Property Management}
+    end
+    subgraph Building Permit Application
+        nest1_0[[Buyer Inquiry]]
+        nest1_1{HOA Management}
+    end
+    N0 --> N1
+    N1 -.-> |manages| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |buys| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 -.-> N16
+    N16 -.-> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N7 --> nest0_0
+    nest0_2 -.-> N13
+    nest1_0 --> nest1_1
+    N7 -.-> nest1_0
+    nest1_1 --> N11
+    N1 -.-> S0
+    S0 --> N8
+    S0 -.-> N15
+    S0 --> N6
+    N14 -.-> S1
+    S1 --> N17
+    S1 --> N16
+    N4 -.-> S2
+    S2 -.-> N14
+    S2 -.-> N15
+    N11 -.-> M0
+    N10 --> M0
+    M0 -.-> N13
+    N7 --> |audits| M1
+    N1 -.-> M1
+    N5 --> M1
+    M1 -.-> N9
+    style N0 fill:#E0F2F1,stroke:#26A69A
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#FFFAE0,stroke:#FFE470
+    style N5 fill:#E0F2F1,stroke:#26A69A
+    style N6 fill:#E0F2F1,stroke:#26A69A
+    style N7 fill:#F1F8E9,stroke:#81C784
+    style N8 fill:#FFFAE0,stroke:#FFE470
+    style N9 fill:#E0F2F1,stroke:#26A69A
+    style N10 fill:#F1F8E9,stroke:#81C784
+    style N11 fill:#F1F8E9,stroke:#81C784
+    style N12 fill:#F1F8E9,stroke:#81C784
+    style N13 fill:#F1F8E9,stroke:#81C784
+    style N14 fill:#E0F2F1,stroke:#26A69A
+    style N15 fill:#FFFAE0,stroke:#FFE470
+    style N16 fill:#F1F8E9,stroke:#81C784
+    style N17 fill:#E0F2F1,stroke:#26A69A
+    style S0 fill:#F1F8E9,stroke:#81C784
+    style S1 fill:#FFFAE0,stroke:#FFE470
+    style S2 fill:#F1F8E9,stroke:#81C784
+    style M0 fill:#E0F2F1,stroke:#26A69A
+    style M1 fill:#F1F8E9,stroke:#81C784
+    style nest0_0 fill:#E0F2F1,stroke:#26A69A
+    style nest0_1 fill:#F1F8E9,stroke:#81C784
+    style nest0_2 fill:#F1F8E9,stroke:#81C784
+    style nest1_0 fill:#FFFAE0,stroke:#FFE470
+    style nest1_1 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFE470,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_98.mmd b/train/mermaid/hard/mermaid_98.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ece8d1f8ed4372ad19e00101b3f386f4c91dee1d
--- /dev/null
+++ b/train/mermaid/hard/mermaid_98.mmd
@@ -0,0 +1,142 @@
+graph TD
+    N0([start])
+    N1[/Maintenance Request/]
+    N2[/Tenant Screening/]
+    N3(Tax Assessment)
+    N4[Buyer Inquiry]
+    N5[Open House Event]
+    N6([HOA Management])
+    N7(Property Tax Payment)
+    N8[Home Inspection]
+    N9{Eviction Process}
+    N10[/Document Signing/]
+    N11[Lease Renewal]
+    N12(Building Permit Application)
+    N13[Title Check]
+    N14{Property Appraisal}
+    N15[Closing Meeting]
+    N16[[Commercial Lease Negotiation]]
+    N17([Property Management])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Zoning Compliance
+        nest0_0{Virtual Tour Creation}
+        nest0_1[/Offer Submission/]
+    end
+    subgraph Escrow Setup
+        nest1_0[Property Marketing]
+        nest1_1[(Commission Distribution)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |negotiates| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 -.-> |appraises| N16
+    N16 -.-> N17
+    nest0_0 --> nest0_1
+    N12 -.-> nest0_0
+    nest0_1 --> N12
+    nest1_0 -.-> nest1_1
+    N5 --> nest1_0
+    nest1_1 --> N16
+    N7 --> S0
+    S0 -.-> N10
+    S0 --> N17
+    S0 --> |markets| N16
+    S0 -.-> N15
+    N11 -.-> S1
+    S1 --> N16
+    S1 --> N15
+    N1 -.-> S2
+    S2 --> N4
+    S2 --> N15
+    S2 -.-> N8
+    N6 -.-> M0
+    N5 -.-> M0
+    M0 --> N16
+    N4 -.-> M1
+    N9 -.-> M1
+    M1 --> N17
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#E8EAF6,stroke:#5C6BC0
+    style N3 fill:#E8EAF6,stroke:#5C6BC0
+    style N4 fill:#CADEDE,stroke:#94C0C0
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style N8 fill:#E8EAF6,stroke:#5C6BC0
+    style N9 fill:#CADEDE,stroke:#94C0C0
+    style N10 fill:#E8EAF6,stroke:#5C6BC0
+    style N11 fill:#C9F0F0,stroke:#4DD0E1
+    style N12 fill:#E8EAF6,stroke:#5C6BC0
+    style N13 fill:#C9F0F0,stroke:#4DD0E1
+    style N14 fill:#CADEDE,stroke:#94C0C0
+    style N15 fill:#CADEDE,stroke:#94C0C0
+    style N16 fill:#CADEDE,stroke:#94C0C0
+    style N17 fill:#CADEDE,stroke:#94C0C0
+    style S0 fill:#E8EAF6,stroke:#5C6BC0
+    style S1 fill:#C9F0F0,stroke:#4DD0E1
+    style S2 fill:#CADEDE,stroke:#94C0C0
+    style M0 fill:#CADEDE,stroke:#94C0C0
+    style M1 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_0 fill:#CADEDE,stroke:#94C0C0
+    style nest0_1 fill:#E8EAF6,stroke:#5C6BC0
+    style nest1_0 fill:#E8EAF6,stroke:#5C6BC0
+    style nest1_1 fill:#E8EAF6,stroke:#5C6BC0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#94C0C0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/hard/mermaid_99.mmd b/train/mermaid/hard/mermaid_99.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f1ecc2fb2d70d664ed40fce776c5395f029441d3
--- /dev/null
+++ b/train/mermaid/hard/mermaid_99.mmd
@@ -0,0 +1,132 @@
+graph TD
+    N0([start])
+    N1[Property Appraisal]
+    N2[/Ownership Transfer/]
+    N3{Commission Distribution}
+    N4(Buyer Inquiry)
+    N5(Maintenance Request)
+    N6[/Commercial Lease Negotiation/]
+    N7{Virtual Tour Creation}
+    N8[(Offer Submission)]
+    N9[Investment Property Analysis]
+    N10[Property Listing]
+    N11([Price Negotiation])
+    N12([Title Check])
+    N13[[Contract Review]]
+    N14([Market Trend Analysis])
+    N15(Land Acquisition)
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Property Valuation
+        nest0_0[/Legal Verification/]
+        nest0_1([Property Insurance])
+        nest0_2[[Renovation Planning]]
+    end
+    subgraph Document Signing
+        nest1_0[Tenant Screening]
+        nest1_1([Eviction Process])
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> |renovates| N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 -.-> N16
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N1 --> nest0_0
+    nest0_2 --> N1
+    nest1_0 --> nest1_1
+    N4 --> nest1_0
+    nest1_1 --> N3
+    N10 --> S0
+    S0 --> N16
+    S0 -.-> |zones| N14
+    N10 -.-> S1
+    S1 -.-> N14
+    S1 --> N13
+    S1 -.-> |promotes| N16
+    N8 --> M0
+    N5 --> M0
+    M0 --> N13
+    N2 -.-> M1
+    N3 -.-> |assigns| M1
+    N1 --> |invests| M1
+    M1 -.-> N7
+    style N0 fill:#F3E5F5,stroke:#BA68C8
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#F3E5F5,stroke:#BA68C8
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#F3E5F5,stroke:#BA68C8
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#F3E5F5,stroke:#BA68C8
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#FFEBEE,stroke:#E57373
+    style N9 fill:#F3E5F5,stroke:#BA68C8
+    style N10 fill:#F3E5F5,stroke:#BA68C8
+    style N11 fill:#FFFDE0,stroke:#FFF8A6
+    style N12 fill:#FFFDE0,stroke:#FFF8A6
+    style N13 fill:#F3E5F5,stroke:#BA68C8
+    style N14 fill:#FFEBEE,stroke:#E57373
+    style N15 fill:#FFEBEE,stroke:#E57373
+    style N16 fill:#FFFDE0,stroke:#FFF8A6
+    style S0 fill:#FFEBEE,stroke:#E57373
+    style S1 fill:#FFEBEE,stroke:#E57373
+    style M0 fill:#F3E5F5,stroke:#BA68C8
+    style M1 fill:#F3E5F5,stroke:#BA68C8
+    style nest0_0 fill:#FFEBEE,stroke:#E57373
+    style nest0_1 fill:#FFEBEE,stroke:#E57373
+    style nest0_2 fill:#FFFDE0,stroke:#FFF8A6
+    style nest1_0 fill:#FFEBEE,stroke:#E57373
+    style nest1_1 fill:#FFEBEE,stroke:#E57373
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/train/mermaid/medium/mermaid_100.png b/train/mermaid/medium/mermaid_100.png
new file mode 100644
index 0000000000000000000000000000000000000000..bd3f9cb47bf8e605a1f39e348fb0818ab34f284b
--- /dev/null
+++ b/train/mermaid/medium/mermaid_100.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:02ecb6435567f26e0200307f7b7362d29fe251d38befabeb68a20a123e440004
+size 185583
diff --git a/train/mermaid/medium/mermaid_112.png b/train/mermaid/medium/mermaid_112.png
new file mode 100644
index 0000000000000000000000000000000000000000..0443bf083c69ab6fd45c39ab3ffef5dd5db3a69a
--- /dev/null
+++ b/train/mermaid/medium/mermaid_112.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:401bccb44e2e9be799403b13e281cb354d9d461b24a729cea742fec9fbc2728f
+size 331585
diff --git a/train/mermaid/medium/mermaid_132.png b/train/mermaid/medium/mermaid_132.png
new file mode 100644
index 0000000000000000000000000000000000000000..ef1409efd6bf7f2bbefa4b3f8c25a1622162fe1f
--- /dev/null
+++ b/train/mermaid/medium/mermaid_132.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ea8c4af4b732794023c8a878a583032af4b50def1a7af8b0751d0fd22bde8179
+size 220891
diff --git a/train/mermaid/medium/mermaid_163.png b/train/mermaid/medium/mermaid_163.png
new file mode 100644
index 0000000000000000000000000000000000000000..a6ab24aed568fefb4aaefc0b67da577235ae6d26
--- /dev/null
+++ b/train/mermaid/medium/mermaid_163.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:157996acfe769935810b89e36ebb66fa696cb3bb48375d06297239cf8c6d0424
+size 144912
diff --git a/train/mermaid/medium/mermaid_164.png b/train/mermaid/medium/mermaid_164.png
new file mode 100644
index 0000000000000000000000000000000000000000..59dac98633f6fad442df39b410dfa8aa662fc065
--- /dev/null
+++ b/train/mermaid/medium/mermaid_164.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ab114476bb5ec35e1889f9747208551a3ee92b3cf960fa7830f9c1e66516ce5d
+size 288234
diff --git a/train/mermaid/medium/mermaid_17.png b/train/mermaid/medium/mermaid_17.png
new file mode 100644
index 0000000000000000000000000000000000000000..2184e146f6b4bc34ffb5f6761ea533fcf9600736
--- /dev/null
+++ b/train/mermaid/medium/mermaid_17.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a64736482f1248f4a72376c6fca07a8f54ec33e6f99f68838cdce1c21d991295
+size 270445
diff --git a/train/mermaid/medium/mermaid_174.png b/train/mermaid/medium/mermaid_174.png
new file mode 100644
index 0000000000000000000000000000000000000000..f17a339c7a516e4b917a857f4c07b00d84e91454
--- /dev/null
+++ b/train/mermaid/medium/mermaid_174.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:28b52b9a5a4fba0efd831b09f80309e4dbfbdd04157922c924af06f43cef145b
+size 252881
diff --git a/train/mermaid/medium/mermaid_180.png b/train/mermaid/medium/mermaid_180.png
new file mode 100644
index 0000000000000000000000000000000000000000..388444a20b012abe0aa7a7ea0c2bf63704ead262
--- /dev/null
+++ b/train/mermaid/medium/mermaid_180.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8629f1b43c562e02378755fce8f98fa465cdeb9692cfd51bbcd9dcafaad0ec79
+size 248985
diff --git a/train/mermaid/medium/mermaid_185.png b/train/mermaid/medium/mermaid_185.png
new file mode 100644
index 0000000000000000000000000000000000000000..af9c92a007eca3c20f5c11aa7a7438f8067bf96a
--- /dev/null
+++ b/train/mermaid/medium/mermaid_185.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:804c83aa662afc1656465902431e5497b533174d30374b8d968d7e9ebcdf5101
+size 178091
diff --git a/train/mermaid/medium/mermaid_186.png b/train/mermaid/medium/mermaid_186.png
new file mode 100644
index 0000000000000000000000000000000000000000..8428a420f046b87aafd4e5a69d64e2ff25489249
--- /dev/null
+++ b/train/mermaid/medium/mermaid_186.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b482d3f7c86b245f4198f0c436f0bc684c6dfdd5648d4b1a6d1f28b3c48c8054
+size 192617
diff --git a/train/mermaid/medium/mermaid_195.png b/train/mermaid/medium/mermaid_195.png
new file mode 100644
index 0000000000000000000000000000000000000000..25a6d8228d3b44246bfdff4116bc2a33729a1a3a
--- /dev/null
+++ b/train/mermaid/medium/mermaid_195.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f1858107fba0dec2032479e3c6cddf41fc47eb2a82a73375fb5e35cc8c74508f
+size 286351
diff --git a/train/mermaid/medium/mermaid_252.png b/train/mermaid/medium/mermaid_252.png
new file mode 100644
index 0000000000000000000000000000000000000000..10dd69474cdb0e3847ae2c7bf68d1334b0ddb533
--- /dev/null
+++ b/train/mermaid/medium/mermaid_252.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1fa5f7a1cd7b89758db4c39e64bafbfd2f9224f301cac863e8ca651ca6b497e2
+size 142100
diff --git a/train/mermaid/medium/mermaid_30.png b/train/mermaid/medium/mermaid_30.png
new file mode 100644
index 0000000000000000000000000000000000000000..013b490f1db0a659e6ad34d9f31b1c18b796887e
--- /dev/null
+++ b/train/mermaid/medium/mermaid_30.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:833e9efd62b93c755198b0d3626e335e9133e22cf632f2debf8bf41855677dfa
+size 196905
diff --git a/train/mermaid/medium/mermaid_309.png b/train/mermaid/medium/mermaid_309.png
new file mode 100644
index 0000000000000000000000000000000000000000..75f0cd725005c48318edbe5d921e6dbd3411d2ae
--- /dev/null
+++ b/train/mermaid/medium/mermaid_309.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:17a144dfb4cfb8561588dea875703d5892f4f142ea8211c1ab109eebfe699588
+size 136014
diff --git a/train/mermaid/medium/mermaid_319.png b/train/mermaid/medium/mermaid_319.png
new file mode 100644
index 0000000000000000000000000000000000000000..33ae343f78a7b5f000f218ad9a8f9ed9e50b7687
--- /dev/null
+++ b/train/mermaid/medium/mermaid_319.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59600129f45cd0f6de2b38589777059e300acfc8d9ebf52a8ffcaa4502b0d944
+size 209466
diff --git a/train/mermaid/medium/mermaid_326.png b/train/mermaid/medium/mermaid_326.png
new file mode 100644
index 0000000000000000000000000000000000000000..8e08d8d4e757850591ef21f291a6b9f53e24b280
--- /dev/null
+++ b/train/mermaid/medium/mermaid_326.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85cb38e8bcf6d5a9ffc641111d0c9fafee4855bead9c5790c8036bb7224c286d
+size 181996
diff --git a/train/mermaid/medium/mermaid_352.png b/train/mermaid/medium/mermaid_352.png
new file mode 100644
index 0000000000000000000000000000000000000000..db00e37e68f424b70334ab20dd11090bc2b79e81
--- /dev/null
+++ b/train/mermaid/medium/mermaid_352.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a633b7cefc564d6c968f6a5ed7c962f755eb9e56a5b5bb37efd57e122c341ff6
+size 145612
diff --git a/train/mermaid/medium/mermaid_367.png b/train/mermaid/medium/mermaid_367.png
new file mode 100644
index 0000000000000000000000000000000000000000..c952e65b34fe077bf49c1ced4a8db3503d3c63c8
--- /dev/null
+++ b/train/mermaid/medium/mermaid_367.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:35a018ff50aff14324f4e13612d74b555267f412330f2450c7735261929f700e
+size 141296
diff --git a/train/mermaid/medium/mermaid_395.png b/train/mermaid/medium/mermaid_395.png
new file mode 100644
index 0000000000000000000000000000000000000000..8d8981edc7bb76f134b0491938d38300cf4fd239
--- /dev/null
+++ b/train/mermaid/medium/mermaid_395.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0b9a9684f1173e6383834cf8fe4e6d2c53ad6f7ed0ed6fdce98e1e30a6a0d2cd
+size 206428
diff --git a/train/mermaid/medium/mermaid_405.png b/train/mermaid/medium/mermaid_405.png
new file mode 100644
index 0000000000000000000000000000000000000000..29694d983861f85833cc5fdff7585dc6e533f60a
--- /dev/null
+++ b/train/mermaid/medium/mermaid_405.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:afd76ea44fcc4e22746b04ad7b1d7d772497bc877d5d6483071f324126c1b53d
+size 299085
diff --git a/train/mermaid/medium/mermaid_432.png b/train/mermaid/medium/mermaid_432.png
new file mode 100644
index 0000000000000000000000000000000000000000..8e6166abb50c74ccce5f56772fa4082022b11b3f
--- /dev/null
+++ b/train/mermaid/medium/mermaid_432.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a79c54325870afb971c74c0176ebd9c9f23ecae1156906f947214d94c98a80a
+size 264609
diff --git a/train/mermaid/medium/mermaid_435.png b/train/mermaid/medium/mermaid_435.png
new file mode 100644
index 0000000000000000000000000000000000000000..4898bdc779fc1f4c2704e2d5769fd842313c5db9
--- /dev/null
+++ b/train/mermaid/medium/mermaid_435.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c785885d76851eab92fa1d332561924f9bbfcd628e11ebe7ca57994ed66e4dc
+size 279573
diff --git a/train/mermaid/medium/mermaid_440.png b/train/mermaid/medium/mermaid_440.png
new file mode 100644
index 0000000000000000000000000000000000000000..1db216d11de46643236ce64ab5d347621e9b748e
--- /dev/null
+++ b/train/mermaid/medium/mermaid_440.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae0bc3ad8c640c761be9cfc4b99e7435894823d8a241a6e7c048416c39eb33d0
+size 227815
diff --git a/train/mermaid/medium/mermaid_451.png b/train/mermaid/medium/mermaid_451.png
new file mode 100644
index 0000000000000000000000000000000000000000..d5fd180d45a161ee63a7c3f4b88121ad6997144c
--- /dev/null
+++ b/train/mermaid/medium/mermaid_451.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:215c4895faaa563efa0348006c54975f1e58ecc815ad662f27fcbf8b3bf6a7c7
+size 288423
diff --git a/train/mermaid/medium/mermaid_464.png b/train/mermaid/medium/mermaid_464.png
new file mode 100644
index 0000000000000000000000000000000000000000..953fcba963e3ff0a6592be02c0663bf730dd7c21
--- /dev/null
+++ b/train/mermaid/medium/mermaid_464.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a351f259ed916b9a4f5478896da04466d7236fdaeaf7561a1b78324219c45ecf
+size 270121
diff --git a/train/mermaid/medium/mermaid_474.png b/train/mermaid/medium/mermaid_474.png
new file mode 100644
index 0000000000000000000000000000000000000000..68dc64b4537e282eb3c8f99020d2b7f751687345
--- /dev/null
+++ b/train/mermaid/medium/mermaid_474.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2fd8f4f3eedb8842d7b220c14a021b15f773204d547b007d23dd262ec78c85a4
+size 168948
diff --git a/train/mermaid/medium/mermaid_485.png b/train/mermaid/medium/mermaid_485.png
new file mode 100644
index 0000000000000000000000000000000000000000..501f395d258fc5e19da5a6f8d81a798fba3f5b93
--- /dev/null
+++ b/train/mermaid/medium/mermaid_485.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8ceb227595bbd17fa7e35a1d86ff914a94b9296d03c42547cafa4b09fd1a2c80
+size 148030
diff --git a/train/mermaid/medium/mermaid_494.png b/train/mermaid/medium/mermaid_494.png
new file mode 100644
index 0000000000000000000000000000000000000000..900ded6091dd32e1a28b271ada823a96514e2215
--- /dev/null
+++ b/train/mermaid/medium/mermaid_494.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:00ed65c212abc22e47a5a2ff80b9d4ebf8a1cfd6c71770ccab56c3b2e2595884
+size 126417
diff --git a/train/mermaid/medium/mermaid_508.png b/train/mermaid/medium/mermaid_508.png
new file mode 100644
index 0000000000000000000000000000000000000000..4e80cbfadb99cfbe6af325fc80df54655606534e
--- /dev/null
+++ b/train/mermaid/medium/mermaid_508.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c0f57c2a6bca25430c40e40c6e3ebdbfc902e067c6954ef8e46c39d9a95a790e
+size 242367
diff --git a/train/mermaid/medium/mermaid_53.png b/train/mermaid/medium/mermaid_53.png
new file mode 100644
index 0000000000000000000000000000000000000000..acc23d83f9510127589db9c6c28cc1f001e1e9c2
--- /dev/null
+++ b/train/mermaid/medium/mermaid_53.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fde11549420079c604767412689ad2f0b24b163eb4afac76e2508ddeebb711e8
+size 125378
diff --git a/train/mermaid/medium/mermaid_54.png b/train/mermaid/medium/mermaid_54.png
new file mode 100644
index 0000000000000000000000000000000000000000..177d0a2ca1a4492ce26211361c11eaee73511f11
--- /dev/null
+++ b/train/mermaid/medium/mermaid_54.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4826b22851b687994cbdb8dcb2f56b8187c4894e148b9fe9230c4b5cae52e050
+size 197278
diff --git a/train/mermaid/medium/mermaid_567.png b/train/mermaid/medium/mermaid_567.png
new file mode 100644
index 0000000000000000000000000000000000000000..36203c150d6092de248f62b252e8255149d25b5b
--- /dev/null
+++ b/train/mermaid/medium/mermaid_567.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:795c65484b6e11da8dcea1698341f9d8b86e0bd3870a119239b07402525525cb
+size 159241
diff --git a/train/mermaid/medium/mermaid_574.png b/train/mermaid/medium/mermaid_574.png
new file mode 100644
index 0000000000000000000000000000000000000000..519310ceb26116121cb0a2f370015e1a631b669e
--- /dev/null
+++ b/train/mermaid/medium/mermaid_574.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:113da6dc93704afdcc74edb16958f6a4faad6985585ad4d8baae87d9c7e819ab
+size 300676
diff --git a/train/mermaid/medium/mermaid_590.png b/train/mermaid/medium/mermaid_590.png
new file mode 100644
index 0000000000000000000000000000000000000000..9ae0215444b5a7865abe820dbf8320ab07f68b64
--- /dev/null
+++ b/train/mermaid/medium/mermaid_590.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7d3ccbac8b9ba655b5dc6fc0b4d25a95ddb53eb2fa788fec01642a047ce0688f
+size 307758
diff --git a/train/mermaid/medium/mermaid_613.png b/train/mermaid/medium/mermaid_613.png
new file mode 100644
index 0000000000000000000000000000000000000000..0633d6e1f072f676da53303df51a332f20330b11
--- /dev/null
+++ b/train/mermaid/medium/mermaid_613.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b8d73406fb86891bb7a4eb53e7794f079d0dbde058d3661658b1a0357a872eb0
+size 228106
diff --git a/train/mermaid/medium/mermaid_614.png b/train/mermaid/medium/mermaid_614.png
new file mode 100644
index 0000000000000000000000000000000000000000..05320357e42c1ca07d25a5ff675e3ba6441639ac
--- /dev/null
+++ b/train/mermaid/medium/mermaid_614.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a78d0d7be690056e46cd6e719da2373235a264fbf2fff95e080dbb30a6517f12
+size 140426
diff --git a/train/mermaid/medium/mermaid_621.png b/train/mermaid/medium/mermaid_621.png
new file mode 100644
index 0000000000000000000000000000000000000000..5c075177325cf13ed70c333a34238a1eb96fc9d2
--- /dev/null
+++ b/train/mermaid/medium/mermaid_621.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32ae766ad3e6c5e7e51311e099d09100912b139c4e45b775f376c1ee30e63e0b
+size 154788
diff --git a/train/mermaid/medium/mermaid_633.png b/train/mermaid/medium/mermaid_633.png
new file mode 100644
index 0000000000000000000000000000000000000000..17f259e7375e48d30595cba7290a48a3dc607eda
--- /dev/null
+++ b/train/mermaid/medium/mermaid_633.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7ccf7e83cc17af85aa63538b1926913ffe11f7ff65a90134f6ec0eae72bf6c5f
+size 129309
diff --git a/train/mermaid/medium/mermaid_655.png b/train/mermaid/medium/mermaid_655.png
new file mode 100644
index 0000000000000000000000000000000000000000..81eaea15fe19876a2d66a331015061a80e05f44a
--- /dev/null
+++ b/train/mermaid/medium/mermaid_655.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d189298e50c884bc81b819936c2775b22ca09c7f40c7dc21697abdd792786a79
+size 364823
diff --git a/train/mermaid/medium/mermaid_704.png b/train/mermaid/medium/mermaid_704.png
new file mode 100644
index 0000000000000000000000000000000000000000..829f45baa0daf46606de2b0c4291dbcda2391cfb
--- /dev/null
+++ b/train/mermaid/medium/mermaid_704.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0da102206b2ced314ba27098ee96acc4f3bd5068b34a8a1c1a9b34314300c719
+size 272789
diff --git a/train/mermaid/medium/mermaid_71.png b/train/mermaid/medium/mermaid_71.png
new file mode 100644
index 0000000000000000000000000000000000000000..94a0bb42f12bfacf1cdf261e787919fe904151be
--- /dev/null
+++ b/train/mermaid/medium/mermaid_71.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3baa7fd56f03573b5968aa1a5d73d648232cd7da8fcfd0ce052bdca7febdbd3a
+size 184637
diff --git a/train/mermaid/medium/mermaid_746.png b/train/mermaid/medium/mermaid_746.png
new file mode 100644
index 0000000000000000000000000000000000000000..9a013727fd84d9eefe93f6903f3831101193f063
--- /dev/null
+++ b/train/mermaid/medium/mermaid_746.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e54b324d6dbce46e98fd52fd04d30d9c6808125bf50a6811f2fe080f2a5f3ef
+size 256556
diff --git a/train/mermaid/medium/mermaid_75.png b/train/mermaid/medium/mermaid_75.png
new file mode 100644
index 0000000000000000000000000000000000000000..0f57e764bc9545417eba7536f920fa5496954abb
--- /dev/null
+++ b/train/mermaid/medium/mermaid_75.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dce7cf08df0f9b93ccf8c4daab07e94465f558fd7b9aa344cd91ce2b729c5421
+size 279673
diff --git a/train/mermaid/medium/mermaid_757.png b/train/mermaid/medium/mermaid_757.png
new file mode 100644
index 0000000000000000000000000000000000000000..cd9de7389439bebbd50a7c19dc15f070396d3d8b
--- /dev/null
+++ b/train/mermaid/medium/mermaid_757.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33e1101a300f9902fbf3a4f6ee0c0372c29e9e31a63343e32c90be2a49fcb185
+size 328624
diff --git a/train/mermaid/medium/mermaid_768.png b/train/mermaid/medium/mermaid_768.png
new file mode 100644
index 0000000000000000000000000000000000000000..504fd58ec06c016f29cbb0594389e99dd624daa6
--- /dev/null
+++ b/train/mermaid/medium/mermaid_768.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1d2d9eb1598e04d23d5e0aca03da2b1b45fba6d9a38361b0fb61361b4accf946
+size 276763
diff --git a/train/mermaid/medium/mermaid_800.png b/train/mermaid/medium/mermaid_800.png
new file mode 100644
index 0000000000000000000000000000000000000000..c3764184787bebe0aa4a040b3e5c57415afd0a90
--- /dev/null
+++ b/train/mermaid/medium/mermaid_800.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e4e8ee554710e73bbbfc85e945ea25530a407f1d06d71d9d6ef1ecbf12381f6
+size 275311
diff --git a/train/mermaid/medium/mermaid_817.png b/train/mermaid/medium/mermaid_817.png
new file mode 100644
index 0000000000000000000000000000000000000000..ef6987dcf24b7aa3748a12f24e4d6ad32cc0c80e
--- /dev/null
+++ b/train/mermaid/medium/mermaid_817.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5379c10296ec8cad9bad75bf199dc9426595c3077adda1dca8dfc4dc9c02530c
+size 224932
diff --git a/train/mermaid/medium/mermaid_819.png b/train/mermaid/medium/mermaid_819.png
new file mode 100644
index 0000000000000000000000000000000000000000..a9dbba5a56001da816e20eef506c0975a389927e
--- /dev/null
+++ b/train/mermaid/medium/mermaid_819.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b069e193de9ce4aad8a1d3d9278cd84cc27de2c72e7e4bad21bac25df745e6c3
+size 265735
diff --git a/train/mermaid/medium/mermaid_831.png b/train/mermaid/medium/mermaid_831.png
new file mode 100644
index 0000000000000000000000000000000000000000..cbf777b54f4a13b6c382814e213a2f1bb535a91e
--- /dev/null
+++ b/train/mermaid/medium/mermaid_831.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cb6aeb6050129b3ae854123e7a602762ce242b7c4451f151ddb565703d65c4d9
+size 312070
diff --git a/train/mermaid/medium/mermaid_851.png b/train/mermaid/medium/mermaid_851.png
new file mode 100644
index 0000000000000000000000000000000000000000..c88d453970aacca61af8ef7dadbf67d91a90bc22
--- /dev/null
+++ b/train/mermaid/medium/mermaid_851.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:470b5116f139c16649a65a8676ac87b259165183712692c9aa6daf8ab95726c6
+size 180745
diff --git a/train/mermaid/medium/mermaid_854.png b/train/mermaid/medium/mermaid_854.png
new file mode 100644
index 0000000000000000000000000000000000000000..a4de4e1e99a39060e0f4a4dbf0e92c6b054e4627
--- /dev/null
+++ b/train/mermaid/medium/mermaid_854.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f7abe5e8f543e0c5c75b4e5b16029ada864aaba3d2269463ef439a82c9f1beb
+size 132144
diff --git a/train/mermaid/medium/mermaid_893.png b/train/mermaid/medium/mermaid_893.png
new file mode 100644
index 0000000000000000000000000000000000000000..16044a39d4e58f1a740ac6ea47fe70b99c790958
--- /dev/null
+++ b/train/mermaid/medium/mermaid_893.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08f9584c70b68ee300809e2d31681f60303015af454660dea41d749381713991
+size 333648
diff --git a/train/mermaid/medium/mermaid_897.png b/train/mermaid/medium/mermaid_897.png
new file mode 100644
index 0000000000000000000000000000000000000000..969991ca42b775293cf29e68f9f3009dcf92c3be
--- /dev/null
+++ b/train/mermaid/medium/mermaid_897.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c1fc86007898686f241686a7f055bd56ac2e81f8563a1c82bff7eb3162cf5363
+size 167790
diff --git a/train/mermaid/medium/mermaid_909.png b/train/mermaid/medium/mermaid_909.png
new file mode 100644
index 0000000000000000000000000000000000000000..d89bd7f7675be23d69f475de8725d4f47a959236
--- /dev/null
+++ b/train/mermaid/medium/mermaid_909.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f7fbbf4778c9f2aa66050dd27b57679ba06e9a580911dcb2a0b497aa5cf0ca24
+size 201471
diff --git a/train/mermaid/medium/mermaid_918.png b/train/mermaid/medium/mermaid_918.png
new file mode 100644
index 0000000000000000000000000000000000000000..f82fc31ba9310177bb3970dbf1cd3a25d797e150
--- /dev/null
+++ b/train/mermaid/medium/mermaid_918.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:daa40ffd092e283e1585c2194174ad8d00b6e07aed6f5a179f6e3603bfaa7ee5
+size 188565
diff --git a/train/mermaid/medium/mermaid_927.png b/train/mermaid/medium/mermaid_927.png
new file mode 100644
index 0000000000000000000000000000000000000000..2fbc20daca5bdc38e97a7d8f5165a51f046956b2
--- /dev/null
+++ b/train/mermaid/medium/mermaid_927.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:afc193b3a848da478912792959846b8f23dd8cf833646d067e1c48ee875cdda3
+size 151797
diff --git a/train/mermaid/medium/mermaid_99.png b/train/mermaid/medium/mermaid_99.png
new file mode 100644
index 0000000000000000000000000000000000000000..277d70b8e3bf670aa5fbb81116af2f3febd41a37
--- /dev/null
+++ b/train/mermaid/medium/mermaid_99.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a1d72a4e284309ab7690343b7dcc1f38df907cb682700e741baed35a3d2054db
+size 168132