diff --git a/test/plantuml/scanned_hard/plantuml_10.puml b/test/plantuml/scanned_hard/plantuml_10.puml
new file mode 100644
index 0000000000000000000000000000000000000000..dfa26c6daaaff0aa3fec31e5cc12442858596f66
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_10.puml
@@ -0,0 +1,25 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+component "Number Porting" as N0 #B2EBF2
+cloud "Video Conferencing" as N1 #B2EBF2
+database "Plan Selection" as N2 #B2EBF2
+artifact "MMS Transmission" as N3 #FCFCE7
+cloud "Bandwidth Allocation" as N4 #B2EBF2
+database "Speed Throttling" as N5 #E8F5E9
+cloud "Plan Renewal" as N6 #B2EBF2
+usecase "SMS Delivery" as N7 #E8F5E9
+node "Troubleshooting Guide" as N8 #B2EBF2
+artifact "Network Security Monitoring" as N9 #E8F5E9
+N0 -[#DCE775]-> N1
+N1 -[#66BB6A]-> N2 : disconnects
+N2 -[#00BCD4]-> N3
+N3 ..[#00BCD4]..> N4 : records
+N4 ..[#00BCD4]..> N5 : controls
+N5 ..[#66BB6A]..> N6
+N6 -[#000000]-> N7 : suspends
+N7 ..[#66BB6A]..> N8
+N8 ..[#DCE775]..> N9
+N0 ..[#00BCD4]..> N7 : maintains
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_104.puml b/test/plantuml/scanned_hard/plantuml_104.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3e76eacf655dba34c5ee0e406ca6784ad21b04d2
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_104.puml
@@ -0,0 +1,30 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+cloud "Fraud Prevention" as N0 #F1F8E9
+folder "Restorative Justice" as N1 #FFEBEB
+folder "Deterrence Strategies" as N2 #F1F8E9
+rectangle "Hotspot Policing" as N3 #D1C4E9
+frame "Target Hardening" as N4 #FFEBEB
+usecase "Identity Theft Prevention" as N5 #D1C4E9
+node "Mediation Services" as N6 #D1C4E9
+folder "Crime Data Analysis" as N7 #F1F8E9
+rectangle "Crime Prevention Through Education" as N8 #F1F8E9
+rectangle "Security Lighting" as N9 #F1F8E9
+node "Data Sharing Initiatives" as N10 #F1F8E9
+folder "Cybercrime Prevention" as N11 #D1C4E9
+N0 -[#FFC2C2]-> N1 : laws_enforces
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3 : licenses
+N3 ..[#7E57C2]..> N4 : certifies
+N4 -[#FFC2C2]-> N5 : collaborates
+N5 -[#000000]-> N6 : rehabilitates_offenders
+N6 -[#000000]-> N7
+N7 -[#7E57C2]-> N8
+N8 -[#FFC2C2]-> N9 : investigates
+N9 ..[#7E57C2]..> N10
+N10 -[#000000]-> N11 : hotspots
+N1 -[#FFC2C2]-> N9 : forecasts
+N8 ..[#81C784]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_108.txt b/test/plantuml/scanned_hard/plantuml_108.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0858e7b39ccfb00c6ccb6458f64fed46169b6ab4
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_108.txt
@@ -0,0 +1,10 @@
+<Cancer Genomics, ethical_considers, Spatial Genomics>
+<Functional Genomics, connectedTo, Gene Expression Profiling>
+<Gene Expression Profiling, educates, Genome Assembly>
+<Gene Therapy Development, tools_creates, Synthetic Genomics>
+<Genome Assembly, connectedTo, Microbial Genomics>
+<Microbial Genomics, connectedTo, Gene Therapy Development>
+<Proteomics, connectedTo, Single_Cell Genomics>
+<Single_Cell Genomics, processes_data, Cancer Genomics>
+<Spatial Genomics, therapies_develops, Functional Genomics>
+<Synthetic Genomics, connectedTo, Spatial Genomics>
diff --git a/test/plantuml/scanned_hard/plantuml_11.puml b/test/plantuml/scanned_hard/plantuml_11.puml
new file mode 100644
index 0000000000000000000000000000000000000000..267d322c355702dce7158e2f4e2c5478feadcb60
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_11.puml
@@ -0,0 +1,29 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+component "Agricultural Research" as N0 #E6EE9C
+folder "Packaging for Sale" as N1 #F8FDD3
+frame "Farm Machinery Operation" as N2 #C8EDFF
+frame "Soil Nutrient Management" as N3 #C8EDFF
+folder "Yield Prediction" as N4 #C8EDFF
+frame "Traceability System" as N5 #C8EDFF
+folder "Automated Milking" as N6 #E6EE9C
+usecase "Soil Testing" as N7 #F8FDD3
+cloud "Seed Sowing" as N8 #F8FDD3
+frame "Precision Farming" as N9 #E6EE9C
+usecase "Organic Certification" as N10 #C8EDFF
+component "Pest Spraying" as N11 #C8EDFF
+N0 -[#D3EB9F]-> N1 : analyzes
+N1 ..[#82DAFF]..> N2 : monitors
+N2 -[#D3EB9F]-> N3 : tests
+N3 ..[#000000]..> N4 : prunes
+N4 -[#D3EB9F]-> N5
+N5 ..[#CDDC39]..> N6 : repairs
+N6 -[#CDDC39]-> N7
+N7 ..[#CDDC39]..> N8 : licenses
+N8 ..[#D3EB9F]..> N9
+N9 ..[#82DAFF]..> N10
+N10 -[#82DAFF]-> N11 : sustains
+N8 -[#CDDC39]-> N1 : stores
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_141.txt b/test/plantuml/scanned_hard/plantuml_141.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6832f084d9ceaab00ddba51550ae3988693b8e98
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_141.txt
@@ -0,0 +1,25 @@
+<Behavior Management, inspects, Field Trip Organization>
+<Behavior Management, partOf, Social Skill Development>
+<Child Development Assessment, connectedTo, Emotional Support>
+<Creative Arts Activities, connectedTo, Child Development Assessment>
+<Creative Arts Activities, connectedTo, Sensory Play>
+<Creative Arts Activities, protects, Emotional Support>
+<Field Trip Organization, connectedTo, Nutritional Meal Preparation>
+<Field Trip Organization, partOf, Social Skill Development>
+<Hygiene Practices, connectedTo, Playground Safety Inspection>
+<Infant Care, connectedTo, Hygiene Practices>
+<Infant Care, connectedTo, Staff Training and Certification>
+<Infant Care, maintains, Hygiene Practices>
+<Music and Movement Activities, partOf, Social Skill Development>
+<Music and Movement Activities, supervises, Behavior Management>
+<Nap Time Supervision, communicates, Hygiene Practices>
+<Nap Time Supervision, connectedTo, Potty Training Assistance>
+<Nutritional Meal Preparation, connectedTo, Staff Training and Certification>
+<Nutritional Meal Preparation, partOf, Social Skill Development>
+<Playground Safety Inspection, documents, Music and Movement Activities>
+<Playground Safety Inspection, nurtures, Creative Arts Activities>
+<Potty Training Assistance, connectedTo, Special Needs Accommodation>
+<Sensory Play, connectedTo, Child Development Assessment>
+<Special Needs Accommodation, connectedTo, Infant Care>
+<Special Needs Accommodation, safeguards, Hygiene Practices>
+<Staff Training and Certification, connectedTo, Hygiene Practices>
diff --git a/test/plantuml/scanned_hard/plantuml_143.puml b/test/plantuml/scanned_hard/plantuml_143.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c9e4d2267d5772f7ea97146ea4cd3b7aa5d7387e
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_143.puml
@@ -0,0 +1,39 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Dementia Care" as Group0 #E3F2FD {
+    component "Legal Aid Referrals" as nest0_0 #CADEDE
+    database "Physical Therapy" as nest0_1 #C8E6C9
+    usecase "Nutritional Assessment" as nest0_2 #C8E6C9
+}
+database "Meal Preparation" as N0 #C8E6C9
+node "Occupational Therapy" as N1 #C8E6C9
+database "Smart Home Integration for Seniors" as N2 #C8E6C9
+frame "Elder Abuse Prevention" as N3 #FFE88D
+usecase "Care Plan Development" as N4 #C8E6C9
+folder "Cognitive Stimulation Activities" as N5 #FFE88D
+usecase "Telehealth for Seniors" as N6 #C8E6C9
+circle " " as S1 #FFE88D
+circle " " as M0 #CADEDE
+circle " " as M1 #FFE88D
+N0 -[#FFDA4E]-> N1
+N1 ..[#388E3C]..> N2 : plans
+N2 -[#FFDA4E]-> N3
+N3 ..[#388E3C]..> N4 : coordinates
+N4 ..[#388E3C]..> N5
+N5 ..[#000000]..> N6
+nest0_0 -[#388E3C]-> nest0_1
+nest0_1 -[#388E3C]-> nest0_2 : personalizes
+N2 ..[#000000]..> nest0_0 : assists
+nest0_2 -[#94C0C0]-> N3
+N1 -[#000000]-> S1
+S1 -[#94C0C0]-> N4
+S1 -[#388E3C]-> N3
+N1 -[#FFDA4E]-> M0
+N2 ..[#FFDA4E]..> M0 : administers
+M0 ..[#94C0C0]..> N4
+N1 -[#FFDA4E]-> M1 : documents
+N0 ..[#94C0C0]..> M1
+M1 -[#FFDA4E]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_144.txt b/test/plantuml/scanned_hard/plantuml_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28dee009c90d834f31dfc48e97bf7c0b851e6395
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_144.txt
@@ -0,0 +1,26 @@
+<Community Resource Connection, connectedTo, Family Communication>
+<Daily Living Assistance, connectedTo, Cognitive Stimulation Activities>
+<Daily Living Assistance, monitors, Respite Care>
+<Daily Living Assistance, reports, Telehealth for Seniors>
+<Elder Abuse Prevention, connectedTo, Nutritional Assessment>
+<Elder Abuse Prevention, partOf, Recreational Activities Planning>
+<Emergency Response System Monitoring, connectedTo, Speech Therapy>
+<Family Communication, connectedTo, Rehabilitation Support>
+<Financial Management Assistance, connectedTo, Community Resource Connection>
+<Long_Term Care Planning, connectedTo, Cognitive Stimulation Activities>
+<Medication Management, connectedTo, Mobility Support>
+<Medication Management, partOf, Recreational Activities Planning>
+<Mobility Support, advises, Cognitive Stimulation Activities>
+<Mobility Support, connectedTo, Elder Abuse Prevention>
+<Mobility Support, partOf, Recreational Activities Planning>
+<Nutritional Assessment, optimizes, Speech Therapy>
+<Nutritional Assessment, partOf, Recreational Activities Planning>
+<Occupational Therapy, rehabilitates, Physical Therapy>
+<Physical Therapy, facilitates, Daily Living Assistance>
+<Physical Therapy, feeds, Community Resource Connection>
+<Rehabilitation Support, connectedTo, Medication Management>
+<Rehabilitation Support, connectedTo, Mobility Support>
+<Rehabilitation Support, connectedTo, Telehealth for Seniors>
+<Respite Care, guides, Financial Management Assistance>
+<Speech Therapy, accompanies, Long_Term Care Planning>
+<Telehealth for Seniors, connectedTo, Emergency Response System Monitoring>
diff --git a/test/plantuml/scanned_hard/plantuml_156.puml b/test/plantuml/scanned_hard/plantuml_156.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6a6b295feb29d32e99a007a9a30071382dd79e15
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_156.puml
@@ -0,0 +1,49 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Reverse Geocoding" as Group0 #FBE9E7 {
+    database "Dead Reckoning" as nest0_0 #E8EAF6
+    cloud "Route Calculation" as nest0_1 #E8EAF6
+}
+usecase "Historical Traffic Data Analysis" as N0 #E8EAF6
+cloud "Multi_modal Navigation" as N1 #C8EDFF
+artifact "Cycle Route Planning" as N2 #E8F5E9
+rectangle "Real_Time Re_routing" as N3 #E8EAF6
+rectangle "Digital Compass Integration" as N4 #C8EDFF
+usecase "Turn_by_Turn Directions" as N5 #E8EAF6
+database "Aeronautical Charting" as N6 #C8EDFF
+folder "Speed Calculation" as N7 #E8EAF6
+folder "Public Transit Navigation" as N8 #C8EDFF
+frame "Pedestrian Navigation" as N9 #C8EDFF
+node "Geocoding" as N10 #C8EDFF
+component "Location_Based Services" as N11 #E8F5E9
+artifact "Altitude Tracking" as N12 #C8EDFF
+circle " " as S0 #E8EAF6
+circle " " as S1 #E8EAF6
+circle " " as M0 #E8F5E9
+N0 ..[#000000]..> N1 : tracks
+N1 -[#7986CB]-> N2
+N2 ..[#82DAFF]..> N3
+N3 -[#7986CB]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#000000]..> N6 : follows
+N6 -[#7986CB]-> N7
+N7 ..[#82DAFF]..> N8 : maps
+N8 -[#66BB6A]-> N9
+N9 ..[#82DAFF]..> N10 : detects
+N10 -[#82DAFF]-> N11 : displays
+N11 ..[#66BB6A]..> N12
+nest0_0 -[#82DAFF]-> nest0_1 : records
+N3 ..[#7986CB]..> nest0_0 : measures
+nest0_1 -[#82DAFF]-> N10
+N6 ..[#000000]..> S0
+S0 ..[#66BB6A]..> N10
+S0 ..[#82DAFF]..> N12
+N7 ..[#66BB6A]..> S1
+S1 ..[#7986CB]..> N11
+S1 ..[#66BB6A]..> N12
+N2 ..[#66BB6A]..> M0
+N1 -[#7986CB]-> M0 : identifies
+M0 ..[#000000]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_159.puml b/test/plantuml/scanned_hard/plantuml_159.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a73dfcaa51fda51cdbfb24e4eaf2ded63ca6867b
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_159.puml
@@ -0,0 +1,48 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Multi_Material Printing" as Group0 #FCE4EC {
+    folder "Prototyping" as nest0_0 #E6EE9C
+    folder "4D Printing" as nest0_1 #ECCFF5
+    folder "Bioprinting" as nest0_2 #E6EE9C
+    cloud "3D Printed Tooling" as nest0_3 #D3D7EB
+}
+cloud "Mass Customization" as N0 #ECCFF5
+component "Food Printing" as N1 #ECCFF5
+usecase "Consumer Product Creation" as N2 #D3D7EB
+cloud "Rapid Manufacturing" as N3 #ECCFF5
+folder "Quality Control" as N4 #D3D7EB
+database "Material Research and Development" as N5 #D3D7EB
+node "Maintenance and Repair of Printers" as N6 #D3D7EB
+frame "Aerospace Part Production" as N7 #ECCFF5
+circle " " as S0 #ECCFF5
+circle " " as S1 #E6EE9C
+circle " " as M0 #ECCFF5
+circle " " as M1 #E6EE9C
+N0 -[#CD8FF2]-> N1
+N1 ..[#CDDC39]..> N2
+N2 -[#CDDC39]-> N3 : protects
+N3 ..[#CDDC39]..> N4
+N4 -[#000000]-> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7
+nest0_0 -[#CDDC39]-> nest0_1
+nest0_1 ..[#CDDC39]..> nest0_2 : educates
+nest0_2 ..[#8C9EFF]..> nest0_3
+N3 -[#000000]-> nest0_0
+nest0_3 -[#000000]-> N1
+N2 -[#000000]-> S0
+S0 ..[#CDDC39]..> N4
+S0 ..[#000000]..> N7 : calibrates
+N1 -[#CD8FF2]-> S1
+S1 -[#CDDC39]-> N3
+S1 ..[#CDDC39]..> N5 : troubleshoots
+S1 ..[#8C9EFF]..> N4
+N2 ..[#CDDC39]..> M0
+N1 ..[#8C9EFF]..> M0 : develops
+M0 -[#CD8FF2]-> N5
+N3 -[#CD8FF2]-> M1 : produces
+N1 ..[#8C9EFF]..> M1 : monitors
+M1 -[#000000]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_159.txt b/test/plantuml/scanned_hard/plantuml_159.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f14b10681683d7fcec3f163d159e90271a57c15d
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_159.txt
@@ -0,0 +1,25 @@
+<3D Printed Tooling, connectedTo, Food Printing>
+<3D Printed Tooling, partOf, Multi_Material Printing>
+<4D Printing, educates, Bioprinting>
+<4D Printing, partOf, Multi_Material Printing>
+<Bioprinting, connectedTo, 3D Printed Tooling>
+<Bioprinting, partOf, Multi_Material Printing>
+<Consumer Product Creation, calibrates, Aerospace Part Production>
+<Consumer Product Creation, connectedTo, Material Research and Development>
+<Consumer Product Creation, connectedTo, Quality Control>
+<Consumer Product Creation, protects, Rapid Manufacturing>
+<Food Printing, connectedTo, Consumer Product Creation>
+<Food Printing, connectedTo, Quality Control>
+<Food Printing, connectedTo, Rapid Manufacturing>
+<Food Printing, develops, Material Research and Development>
+<Food Printing, monitors, Material Research and Development>
+<Food Printing, troubleshoots, Material Research and Development>
+<Maintenance and Repair of Printers, connectedTo, Aerospace Part Production>
+<Mass Customization, connectedTo, Food Printing>
+<Material Research and Development, connectedTo, Maintenance and Repair of Printers>
+<Prototyping, connectedTo, 4D Printing>
+<Prototyping, partOf, Multi_Material Printing>
+<Quality Control, connectedTo, Material Research and Development>
+<Rapid Manufacturing, connectedTo, Prototyping>
+<Rapid Manufacturing, connectedTo, Quality Control>
+<Rapid Manufacturing, produces, Material Research and Development>
diff --git a/test/plantuml/scanned_hard/plantuml_16.puml b/test/plantuml/scanned_hard/plantuml_16.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3e10e659398ed66361b398c4ae01d6d7328d1371
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_16.puml
@@ -0,0 +1,21 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+usecase "Noise Pollution Measurement" as N0 #D6D9F0
+folder "Energy Audit" as N1 #E6EE9C
+folder "Policy Advocacy" as N2 #E6EE9C
+cloud "Ecological Footprint Analysis" as N3 #E6EE9C
+rectangle "Carbon Footprint Calculation" as N4 #E6EE9C
+usecase "Recycling Process" as N5 #D6D9F0
+rectangle "Wildlife Survey" as N6 #E6EE9C
+frame "Water Sampling" as N7 #F6F6F6
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2 : implements
+N2 -[#000000]-> N3 : reports
+N3 ..[#000000]..> N4 : regulates
+N4 ..[#000000]..> N5
+N5 ..[#CFCFCF]..> N6
+N6 -[#CDDC39]-> N7
+N6 ..[#CDDC39]..> N2
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_163.puml b/test/plantuml/scanned_hard/plantuml_163.puml
new file mode 100644
index 0000000000000000000000000000000000000000..37d08c4cfe4b959964e8603a73d28651a7510584
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_163.puml
@@ -0,0 +1,39 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Quantum Network Development" as Group0 #FBE9E7 {
+    component "Quantum Advantage Demonstration" as nest0_0 #B2EBF2
+    usecase "Quantum Supremacy Claims" as nest0_1 #B2EBF2
+    rectangle "Quantum Software Development Kit" as nest0_2 #E0F7FA
+}
+database "Laser Cooling for Ions" as N0 #B2EBF2
+database "Quantum Annealing" as N1 #B2EBF2
+rectangle "Quantum Error Correction" as N2 #FFDAB9
+component "Quantum Simulation" as N3 #B2EBF2
+rectangle "Quantum Computing for AI" as N4 #FFDAB9
+cloud "Material Science Simulations" as N5 #B2EBF2
+frame "Quantum Computing Benchmarking" as N6 #FFDAB9
+circle " " as S0 #E0F7FA
+circle " " as S1 #FFDAB9
+circle " " as M0 #B2EBF2
+N0 ..[#FFC085]..> N1 : tests
+N1 ..[#FFC085]..> N2
+N2 -[#FFC085]-> N3
+N3 -[#FFC085]-> N4
+N4 -[#FFC085]-> N5
+N5 -[#FFC085]-> N6
+nest0_0 -[#00BCD4]-> nest0_1
+nest0_1 ..[#00BCD4]..> nest0_2
+N3 ..[#FFC085]..> nest0_0
+nest0_2 ..[#000000]..> N4 : transmits
+N0 -[#FFC085]-> S0
+S0 -[#000000]-> N2
+S0 ..[#00BCD4]..> N4
+N2 -[#00BCD4]-> S1
+S1 -[#00BCD4]-> N4
+S1 -[#FFC085]-> N6 : decrypts
+N0 ..[#00BCD4]..> M0
+N1 ..[#00BCD4]..> M0 : models
+M0 ..[#00BCD4]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_168.puml b/test/plantuml/scanned_hard/plantuml_168.puml
new file mode 100644
index 0000000000000000000000000000000000000000..44cb98db2b4a420665af7ab16a65cdd7af6e960e
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_168.puml
@@ -0,0 +1,42 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cloud_based AR or VR Rendering" as Group0 #F1F8E9 {
+    cloud "Comfort and Ergonomics Design" as nest0_0 #FFFAE0
+    folder "Headset Development" as nest0_1 #FCFCE7
+}
+node "Hand Tracking and Interaction" as N0 #FFE88D
+frame "Latency Reduction" as N1 #FCFCE7
+cloud "Industrial Maintenance Support" as N2 #FFFAE0
+node "Data Visualization in AR or VR" as N3 #FFE88D
+node "Augmented Reality App Development" as N4 #FFE88D
+usecase "Multiplayer Experience Design" as N5 #FFE88D
+database "Neuro_VR Interfaces" as N6 #FFE88D
+component "Facial Recognition in AR or VR" as N7 #FFE88D
+usecase "User Experience Testing" as N8 #FCFCE7
+cloud "Educational Content Development" as N9 #FFFAE0
+component "Virtual Tourism Experiences" as N10 #FCFCE7
+component "User Interface Design" as N11 #FFE88D
+circle " " as S0 #FFFAE0
+N0 -[#FFDA4E]-> N1
+N1 -[#FFDA4E]-> N2
+N2 -[#FFDA4E]-> N3
+N3 -[#DCE775]-> N4
+N4 -[#FFE470]-> N5 : interacts
+N5 -[#000000]-> N6
+N6 ..[#FFDA4E]..> N7
+N7 -[#000000]-> N8
+N8 ..[#000000]..> N9 : personalizes
+N9 -[#FFE470]-> N10
+N10 -[#DCE775]-> N11
+nest0_0 ..[#FFDA4E]..> nest0_1 : measures
+N3 ..[#FFE470]..> nest0_0 : overlays
+nest0_1 ..[#FFDA4E]..> N11 : deploys
+N2 -[#000000]-> S0
+S0 ..[#DCE775]..> N5
+S0 -[#DCE775]-> N9
+N10 -[#DCE775]-> N6
+N2 ..[#DCE775]..> N6 : secures
+N11 -[#FFDA4E]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_175.puml b/test/plantuml/scanned_hard/plantuml_175.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3a298c94bc3b8039f87741a4c2c62e9e7289ed91
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_175.puml
@@ -0,0 +1,44 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Film Scoring" as Group0 #E3F2FD {
+    database "Location Scouting" as nest0_0 #FFF3E0
+    frame "Pre_production Planning" as nest0_1 #FFFAE0
+    artifact "Virtual Production Techniques" as nest0_2 #C9EFEC
+}
+usecase "Lighting Design" as N0 #C9EFEC
+database "Crew Management" as N1 #FFFAE0
+usecase "Visual Effects" as N2 #FFFAE0
+node "Casting" as N3 #FFFAE0
+node "Archiving and Preservation" as N4 #FFF3E0
+cloud "Digital Asset Management" as N5 #C9EFEC
+frame "Stunt Coordination" as N6 #C9EFEC
+rectangle "Production Accounting" as N7 #C9EFEC
+folder "Film Festival Submission" as N8 #FFF3E0
+usecase "Script Development" as N9 #FFF3E0
+artifact "Costume Design" as N10 #C9EFEC
+circle " " as S0 #FFF3E0
+circle " " as M1 #FFFAE0
+N0 ..[#000000]..> N1 : sounds
+N1 -[#FFB74D]-> N2
+N2 -[#FFB74D]-> N3
+N3 -[#6FE1D5]-> N4 : color grades
+N4 ..[#6FE1D5]..> N5
+N5 ..[#6FE1D5]..> N6 : designs
+N6 -[#000000]-> N7
+N7 ..[#FFE470]..> N8
+N8 ..[#FFB74D]..> N9
+N9 ..[#6FE1D5]..> N10
+nest0_0 ..[#FFE470]..> nest0_1
+nest0_1 ..[#FFE470]..> nest0_2
+N6 -[#000000]-> nest0_0 : budgets
+nest0_2 -[#FFB74D]-> N8
+N7 -[#000000]-> S0
+S0 ..[#FFB74D]..> N10
+S0 ..[#FFB74D]..> N9 : builds
+N2 ..[#FFE470]..> M1 : licenses
+N5 -[#000000]-> M1 : screens
+N4 -[#FFB74D]-> M1 : casts
+M1 ..[#FFB74D]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_184.puml b/test/plantuml/scanned_hard/plantuml_184.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e6eb8c26285c1e47a054bb7fc7953d7bad3b7f0b
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_184.puml
@@ -0,0 +1,32 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Executive Summary Reporting" as Group0 #FBE9E7 {
+    frame "Budget Performance Analysis" as nest0_0 #EDE7F6
+    usecase "Sales Forecasting" as nest0_1 #FFF8E1
+    cloud "Data Source Integration" as nest0_2 #EDE7F6
+}
+folder "Data Governance Policies" as N0 #EDE7F6
+frame "Data Storytelling for Business" as N1 #EDE7F6
+rectangle "Competitive Analysis" as N2 #EDE7F6
+rectangle "Data Quality Management" as N3 #FFF8E1
+folder "Dashboard Design" as N4 #EDE7F6
+cloud "Data Security in BI" as N5 #C5CAE9
+circle " " as M0 #C5CAE9
+N0 -[#000000]-> N1
+N1 -[#3F51B5]-> N2
+N2 -[#3F51B5]-> N3
+N3 -[#000000]-> N4
+N4 ..[#7E57C2]..> N5 : dashboards
+nest0_0 ..[#7E57C2]..> nest0_1 : plans
+nest0_1 -[#7E57C2]-> nest0_2
+N2 ..[#FFD54F]..> nest0_0
+nest0_2 -[#7E57C2]-> N4
+N1 ..[#FFD54F]..> M0 : recommends
+N0 ..[#FFD54F]..> M0
+M0 ..[#7E57C2]..> N3
+N4 -[#3F51B5]-> nest0_0
+N5 ..[#3F51B5]..> nest0_2
+nest0_2 -[#FFD54F]-> nest0_1
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_186.puml b/test/plantuml/scanned_hard/plantuml_186.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a9e30b31b474df3f903f15bd7405687bea0928f3
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_186.puml
@@ -0,0 +1,47 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Data Modeling" as Group0 #F1F8E9 {
+    artifact "Operational Efficiency Measurement" as nest0_0 #C8EDFF
+    database "Self_Service BI Tools" as nest0_1 #C8EDFF
+    node "Query Optimization" as nest0_2 #F5F5F5
+    node "Real_time BI Dashboards" as nest0_3 #C8EDFF
+}
+usecase "Data Lineage Tracking" as N0 #C8EDFF
+frame "Master Data Management" as N1 #F5F5F5
+component "Prescriptive Analytics Implementation" as N2 #C8EDFF
+folder "ETL Development" as N3 #F6F6F6
+folder "Regulatory Compliance Reporting" as N4 #C8EDFF
+cloud "HR Analytics Dashboards" as N5 #F6F6F6
+usecase "User Training and Support" as N6 #F5F5F5
+frame "Market Trend Analysis" as N7 #F5F5F5
+database "Executive Summary Reporting" as N8 #F6F6F6
+frame "Data Warehousing" as N9 #F6F6F6
+folder "Sales Forecasting" as N10 #F6F6F6
+component "Dashboard Design" as N11 #F5F5F5
+circle " " as S0 #F5F5F5
+circle " " as M0 #F6F6F6
+N0 ..[#CFCFCF]..> N1 : optimizes
+N1 -[#CFCFCF]-> N2
+N2 -[#CFCFCF]-> N3
+N3 -[#82DAFF]-> N4
+N4 -[#BDBDBD]-> N5
+N5 ..[#CFCFCF]..> N6
+N6 ..[#BDBDBD]..> N7
+N7 -[#000000]-> N8
+N8 -[#BDBDBD]-> N9
+N9 ..[#000000]..> N10
+N10 ..[#CFCFCF]..> N11
+nest0_0 -[#82DAFF]-> nest0_1 : designs
+nest0_1 -[#82DAFF]-> nest0_2
+nest0_2 ..[#BDBDBD]..> nest0_3
+N7 -[#000000]-> nest0_0
+nest0_3 -[#000000]-> N2 : tracks
+N7 ..[#CFCFCF]..> S0
+S0 -[#BDBDBD]-> N10 : measures
+S0 -[#CFCFCF]-> N11 : monitors
+N2 ..[#82DAFF]..> M0
+N4 -[#BDBDBD]-> M0 : supports
+M0 ..[#BDBDBD]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_191.txt b/test/plantuml/scanned_hard/plantuml_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d1d58cd9cdc74abd4eb65e5c5e88c1059fd35ebd
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_191.txt
@@ -0,0 +1,21 @@
+<Ad Creative Development, connectedTo, Audience Targeting>
+<Ad Platform Management, connectedTo, Ad Creative Development>
+<Ad Platform Management, connectedTo, Audience Targeting>
+<Ad Platform Management, connectedTo, Budget Management>
+<Audience Targeting, optimizes campaigns, Native Advertising>
+<Brand Awareness Campaigns, interprets analytics, Television Advertising>
+<Brand Awareness Campaigns, partOf, Print Advertising>
+<Budget Management, connectedTo, Audience Targeting>
+<Budget Management, display ads, Ad Creative Development>
+<Budget Management, implements retargeting, Native Advertising>
+<Budget Management, manages budgets, Audience Targeting>
+<Budget Management, video ads, Video Advertising>
+<Display Advertising, connectedTo, Retargeting Campaigns>
+<Display Advertising, partOf, Print Advertising>
+<Retargeting Campaigns, drives conversions, Brand Awareness Campaigns>
+<Retargeting Campaigns, partOf, Print Advertising>
+<Television Advertising, outdoor ads, Native Advertising>
+<Television Advertising, partOf, Print Advertising>
+<Video Advertising, connectedTo, Ad Creative Development>
+<Video Advertising, connectedTo, Audience Targeting>
+<Video Advertising, connectedTo, Display Advertising>
diff --git a/test/plantuml/scanned_hard/plantuml_194.puml b/test/plantuml/scanned_hard/plantuml_194.puml
new file mode 100644
index 0000000000000000000000000000000000000000..04f4a6cce1b7d627f9b948e4d09ea9b67ffa8751
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_194.puml
@@ -0,0 +1,45 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Consensus Mechanism Development" as Group0 #E3F2FD {
+    folder "Supply Chain Traceability" as nest0_0 #F8BBD0
+    artifact "Regulatory Compliance for Blockchain" as nest0_1 #FFFDE7
+    node "Decentralized Finance Protocols" as nest0_2 #FFFDE7
+    folder "Decentralized Applications Development" as nest0_3 #FFFDE7
+}
+component "Sharding Implementation" as N0 #FFFDE7
+artifact "Governance Models for Blockchains" as N1 #F8BBD0
+folder "Cross_Chain Bridges" as N2 #F8BBD0
+component "Identity Verification on Blockchain" as N3 #F8BBD0
+rectangle "Healthcare Data Management" as N4 #FFFDE7
+folder "Interoperability Solutions" as N5 #FFFDE7
+node "Enterprise Blockchain Solutions" as N6 #F3E5F5
+artifact "Sidechains and Layer 2 Solutions" as N7 #FFFDE7
+component "Non_Fungible Token Creation" as N8 #F8BBD0
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as M0 #F8BBD0
+N0 -[#AB47BC]-> N1
+N1 -[#E91E63]-> N2 : sets up environments
+N2 ..[#FFF176]..> N3 : traces provenance
+N3 -[#FFF176]-> N4
+N4 -[#AB47BC]-> N5
+N5 -[#AB47BC]-> N6
+N6 -[#AB47BC]-> N7
+N7 -[#AB47BC]-> N8
+nest0_0 ..[#AB47BC]..> nest0_1
+nest0_1 ..[#FFF176]..> nest0_2 : builds NFTs
+nest0_2 -[#000000]-> nest0_3
+N4 ..[#AB47BC]..> nest0_0
+nest0_3 ..[#000000]..> N3
+N2 -[#E91E63]-> S0
+S0 ..[#E91E63]..> N4
+S0 -[#000000]-> N6 : governs DAOs
+N2 ..[#AB47BC]..> S1
+S1 -[#E91E63]-> N7
+S1 -[#E91E63]-> N4
+N0 -[#E91E63]-> M0
+N4 -[#000000]-> M0
+M0 ..[#AB47BC]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_194.txt b/test/plantuml/scanned_hard/plantuml_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c24b2022163910edfd517ff128994c8e0a7ffcfa
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_194.txt
@@ -0,0 +1,22 @@
+<Cross_Chain Bridges, connectedTo, Healthcare Data Management>
+<Cross_Chain Bridges, connectedTo, Sidechains and Layer 2 Solutions>
+<Cross_Chain Bridges, governs DAOs, Enterprise Blockchain Solutions>
+<Cross_Chain Bridges, traces provenance, Identity Verification on Blockchain>
+<Decentralized Applications Development, connectedTo, Identity Verification on Blockchain>
+<Decentralized Applications Development, partOf, Consensus Mechanism Development>
+<Decentralized Finance Protocols, connectedTo, Decentralized Applications Development>
+<Decentralized Finance Protocols, partOf, Consensus Mechanism Development>
+<Enterprise Blockchain Solutions, connectedTo, Sidechains and Layer 2 Solutions>
+<Governance Models for Blockchains, sets up environments, Cross_Chain Bridges>
+<Healthcare Data Management, connectedTo, Enterprise Blockchain Solutions>
+<Healthcare Data Management, connectedTo, Interoperability Solutions>
+<Healthcare Data Management, connectedTo, Supply Chain Traceability>
+<Identity Verification on Blockchain, connectedTo, Healthcare Data Management>
+<Interoperability Solutions, connectedTo, Enterprise Blockchain Solutions>
+<Regulatory Compliance for Blockchain, builds NFTs, Decentralized Finance Protocols>
+<Regulatory Compliance for Blockchain, partOf, Consensus Mechanism Development>
+<Sharding Implementation, connectedTo, Enterprise Blockchain Solutions>
+<Sharding Implementation, connectedTo, Governance Models for Blockchains>
+<Sidechains and Layer 2 Solutions, connectedTo, Non_Fungible Token Creation>
+<Supply Chain Traceability, connectedTo, Regulatory Compliance for Blockchain>
+<Supply Chain Traceability, partOf, Consensus Mechanism Development>
diff --git a/test/plantuml/scanned_hard/plantuml_195.puml b/test/plantuml/scanned_hard/plantuml_195.puml
new file mode 100644
index 0000000000000000000000000000000000000000..cf1f7ed6da926fbec23829445fb7ac4adf7ccf60
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_195.puml
@@ -0,0 +1,47 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Smart Contract Development" as Group0 #F3E5F5 {
+    artifact "Digital Identity Management" as nest0_0 #EFEBE9
+    artifact "Cryptographic Hashing" as nest0_1 #FBE9E7
+    database "Public Blockchain Deployment" as nest0_2 #EFEBE9
+    database "Security Auditing for Blockchains" as nest0_3 #FBE9E7
+}
+folder "Financial Asset Tokenization" as N0 #CADEDE
+database "Voting Systems on Blockchain" as N1 #EFEBE9
+component "Enterprise Blockchain Solutions" as N2 #EFEBE9
+folder "Scalability Solutions" as N3 #EFEBE9
+rectangle "Wallet Management" as N4 #FBE9E7
+folder "Initial Coin Offerings" as N5 #EFEBE9
+frame "Healthcare Data Management" as N6 #FBE9E7
+usecase "Intellectual Property Management" as N7 #EFEBE9
+rectangle "Real Estate Tokenization" as N8 #EFEBE9
+usecase "Decentralized Applications Development" as N9 #CADEDE
+frame "Security Token Offerings" as N10 #FBE9E7
+node "Cross_Border Payments" as N11 #EFEBE9
+circle " " as S0 #CADEDE
+circle " " as M0 #FBE9E7
+N0 -[#000000]-> N1
+N1 -[#A1887F]-> N2
+N2 -[#A1887F]-> N3
+N3 ..[#000000]..> N4 : manages real estate
+N4 -[#000000]-> N5 : distributes ledgers
+N5 -[#FF8A65]-> N6
+N6 ..[#A1887F]..> N7
+N7 ..[#94C0C0]..> N8 : supports DeFi
+N8 ..[#000000]..> N9 : designs protocols
+N9 ..[#000000]..> N10 : facilitates finance
+N10 -[#000000]-> N11
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#94C0C0]..> nest0_3
+N1 ..[#94C0C0]..> nest0_0
+nest0_3 ..[#A1887F]..> N2
+N6 -[#94C0C0]-> S0
+S0 ..[#94C0C0]..> N9
+S0 ..[#000000]..> N10
+N1 ..[#FF8A65]..> M0 : builds enterprise solutions
+N6 ..[#A1887F]..> M0
+M0 ..[#A1887F]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_20.txt b/test/plantuml/scanned_hard/plantuml_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8f9bbfea8c8bcda54f56e365257bfabf546bdfe
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_20.txt
@@ -0,0 +1,8 @@
+<Emergency Protocols, connectedTo, Re_entry Vehicle Design>
+<Hypersonic Flight Testing, assembles, Emergency Protocols>
+<Mission Planning, predicts, New Material Development>
+<New Material Development, connectedTo, Telemetry Setup>
+<Rocket Assembly, analyzes, Hypersonic Flight Testing>
+<Rocket Stage Separation, connectedTo, New Material Development>
+<Rocket Stage Separation, tests, Rocket Assembly>
+<Telemetry Setup, develops, Rocket Stage Separation>
diff --git a/test/plantuml/scanned_hard/plantuml_200.puml b/test/plantuml/scanned_hard/plantuml_200.puml
new file mode 100644
index 0000000000000000000000000000000000000000..619e897435047652f4738051b09f96a935ad66f0
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_200.puml
@@ -0,0 +1,46 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Post_Campaign Updates" as Group0 #E3F2FD {
+    usecase "Video Production for Campaigns" as nest0_0 #FFEBEB
+    artifact "Donation_Based Crowdfunding" as nest0_1 #D0E0F8
+    artifact "Shareholder Management" as nest0_2 #D0E0F8
+}
+node "Platform Selection" as N0 #D0E0F8
+database "Reward_Based Crowdfunding" as N1 #FFEBEB
+artifact "International Crowdfunding" as N2 #DDCEDD
+cloud "Due Diligence for Projects" as N3 #DDCEDD
+folder "Investor Relations" as N4 #DDCEDD
+folder "Debt Crowdfunding" as N5 #DDCEDD
+artifact "Press Outreach" as N6 #DDCEDD
+usecase "Platform Fee Management" as N7 #FFEBEB
+component "Escrow Management" as N8 #DDCEDD
+folder "Product Development Lifecycle" as N9 #D0E0F8
+cloud "Equity Crowdfunding" as N10 #DDCEDD
+database "Reward Tier Design" as N11 #D0E0F8
+circle " " as S0 #FFEBEB
+circle " " as S1 #FFEBEB
+N0 -[#FFC2C2]-> N1
+N1 -[#FFC2C2]-> N2
+N2 ..[#000000]..> N3 : handles logistics
+N3 -[#FFC2C2]-> N4 : sends emails
+N4 -[#000000]-> N5
+N5 ..[#000000]..> N6
+N6 -[#000000]-> N7
+N7 ..[#AF56A6]..> N8
+N8 ..[#FFC2C2]..> N9 : attracts investors
+N9 ..[#4285F4]..> N10
+N10 -[#4285F4]-> N11 : manages debt
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#AF56A6]..> nest0_2
+N6 -[#4285F4]-> nest0_0 : generates reports
+nest0_2 ..[#FFC2C2]..> N7
+N4 ..[#AF56A6]..> S0
+S0 -[#AF56A6]-> N8 : plans promotions
+S0 ..[#000000]..> N10 : manages manufacturing
+N0 -[#AF56A6]-> S1
+S1 ..[#FFC2C2]..> N9 : distributes rewards
+S1 ..[#4285F4]..> N11
+S1 ..[#FFC2C2]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_203.txt b/test/plantuml/scanned_hard/plantuml_203.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ce214fdb377aa5ada3942ff013033ed9b9c32f77
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_203.txt
@@ -0,0 +1,22 @@
+<Agricultural IoT, connectedTo, Sensor Integration>
+<Blockchain for IoT Security, connectedTo, Real_time Data Streaming>
+<Blockchain for IoT Security, partOf, Connectivity Management>
+<Environmental Monitoring, analyzes insights, Interoperability Standards>
+<Environmental Monitoring, connectedTo, Remote Monitoring and Control>
+<Firmware Updates, connectedTo, Remote Monitoring and Control>
+<Firmware Updates, secures devices, Smart Home Devices>
+<Interoperability Standards, connectedTo, Agricultural IoT>
+<Over_the_Air Updates, connectedTo, Interoperability Standards>
+<Over_the_Air Updates, connectedTo, Remote Monitoring and Control>
+<Over_the_Air Updates, connectedTo, Supply Chain Optimization>
+<Over_the_Air Updates, monitors healthcare, Smart Manufacturing>
+<Real_time Data Streaming, connectedTo, Interoperability Standards>
+<Real_time Data Streaming, partOf, Connectivity Management>
+<Remote Monitoring and Control, connectedTo, Interoperability Standards>
+<Remote Monitoring and Control, predicts events, Retail IoT>
+<Retail IoT, connectedTo, Interoperability Standards>
+<Sensor Integration, prototypes devices, Smart Manufacturing>
+<Smart Home Devices, uses blockchain, Over_the_Air Updates>
+<Smart Manufacturing, connectedTo, Gateway Development>
+<Supply Chain Optimization, connectedTo, Blockchain for IoT Security>
+<Supply Chain Optimization, connectedTo, Environmental Monitoring>
diff --git a/test/plantuml/scanned_hard/plantuml_204.puml b/test/plantuml/scanned_hard/plantuml_204.puml
new file mode 100644
index 0000000000000000000000000000000000000000..156a3d454b3cd4d6a5e066e85cb3b24dadbb40b3
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_204.puml
@@ -0,0 +1,58 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Retail IoT" as Group0 #FFF3E0 {
+    frame "Power Management for Devices" as nest0_0 #FFFCE6
+    folder "Wearable Technology" as nest0_1 #FFF9D4
+}
+database "Security Implementation" as N0 #FFF9D4
+rectangle "Over_the_Air Updates" as N1 #E0F7FA
+cloud "API Development for IoT" as N2 #E0F7FA
+rectangle "Interoperability Standards" as N3 #FFFCE6
+folder "Real_time Data Streaming" as N4 #FFF9D4
+artifact "Blockchain for IoT Security" as N5 #E0F7FA
+node "Device Prototyping" as N6 #FFF9D4
+node "Energy Management Systems" as N7 #FFF9D4
+rectangle "Healthcare IoT Devices" as N8 #E0F7FA
+node "Smart Home Devices" as N9 #FFFCE6
+rectangle "Sensor Integration" as N10 #E0F7FA
+rectangle "Data Analysis in Cloud" as N11 #FFFCE6
+cloud "User Interface for IoT Apps" as N12 #E0F7FA
+folder "Smart Manufacturing" as N13 #FFFCE6
+circle " " as S0 #E0F7FA
+circle " " as S1 #E0F7FA
+circle " " as M0 #E0F7FA
+circle " " as M1 #E0F7FA
+N0 ..[#000000]..> N1
+N1 -[#FFE69C]-> N2
+N2 -[#FFE69C]-> N3
+N3 -[#000000]-> N4
+N4 ..[#00BCD4]..> N5
+N5 -[#000000]-> N6 : optimizes operations
+N6 -[#000000]-> N7 : prototypes devices
+N7 -[#FFF9AE]-> N8
+N8 ..[#FFF9AE]..> N9
+N9 -[#000000]-> N10
+N10 ..[#FFE69C]..> N11
+N11 -[#FFF9AE]-> N12 : tracks assets
+N12 ..[#FFE69C]..> N13
+nest0_0 ..[#FFF9AE]..> nest0_1
+N12 ..[#000000]..> nest0_0 : optimizes industrial processes
+nest0_1 ..[#FFF9AE]..> N11
+N8 -[#000000]-> S0
+S0 ..[#000000]..> N12
+S0 ..[#000000]..> N13
+S0 -[#FFE69C]-> N10
+N5 ..[#00BCD4]..> S1
+S1 -[#000000]-> N9 : develops solutions
+S1 -[#000000]-> N8
+S1 ..[#FFE69C]..> N11 : enhances agriculture
+N0 -[#FFE69C]-> M0
+N2 ..[#000000]..> M0
+M0 -[#00BCD4]-> N6
+N0 ..[#00BCD4]..> M1 : secures devices
+N6 ..[#FFF9AE]..> M1 : configures APIs
+N5 ..[#FFF9AE]..> M1
+M1 -[#FFE69C]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_209.txt b/test/plantuml/scanned_hard/plantuml_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3e09d29d2a6cbc890b3ba8ab8fa7999ca45a8c5b
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_209.txt
@@ -0,0 +1,17 @@
+<Cloud Governance, automates tasks, Cloud Architecture Design>
+<Cloud Governance, connectedTo, Data Storage in Cloud>
+<Container Orchestration, develops cloud_native apps, Multi_Cloud Management>
+<Container Orchestration, partOf, Auto_Scaling Configurations>
+<Cost Optimization in Cloud, connectedTo, Cloud Architecture Design>
+<Cost Optimization in Cloud, connectedTo, Hybrid Cloud Deployment>
+<Cost Optimization in Cloud, provides IaaS, Cloud Governance>
+<Data Storage in Cloud, implements FinOps, Cloud Architecture Design>
+<Hybrid Cloud Deployment, connectedTo, Infrastructure as a Service>
+<Hybrid Cloud Deployment, partOf, Auto_Scaling Configurations>
+<Infrastructure as a Service, connectedTo, Container Orchestration>
+<Infrastructure as a Service, partOf, Auto_Scaling Configurations>
+<Multi_Cloud Management, connectedTo, Cloud Governance>
+<Multi_Cloud Management, partOf, Auto_Scaling Configurations>
+<Serverless Computing, connectedTo, Cloud Governance>
+<Serverless Computing, manages VMs, Cost Optimization in Cloud>
+<Serverless Computing, offers DBaaS, Cloud Architecture Design>
diff --git a/test/plantuml/scanned_hard/plantuml_210.puml b/test/plantuml/scanned_hard/plantuml_210.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2ac5b10b85f46e7c20523d4d475c409e09381473
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_210.puml
@@ -0,0 +1,47 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Load Balancing in Cloud" as Group0 #FBE9E7 {
+    node "Cloud Security" as nest0_0 #FBE9E7
+    database "Resource Tagging for Cost Allocation" as nest0_1 #E0E6E9
+    database "Multi_Cloud Management" as nest0_2 #E8F0EA
+    folder "Database as a Service" as nest0_3 #FBE9E7
+}
+frame "API Management in Cloud" as N0 #E8F0EA
+folder "Cloud FinOps" as N1 #FBE9E7
+cloud "Platform as a Service" as N2 #E0E6E9
+frame "Cloud Native Application Development" as N3 #E8F0EA
+usecase "Serverless Computing" as N4 #E0E6E9
+rectangle "Cost Optimization in Cloud" as N5 #FBE9E7
+frame "Cloud Vendor Lock_in Mitigation" as N6 #FBE9E7
+usecase "Machine Learning as a Service" as N7 #E8F0EA
+database "Big Data Services in Cloud" as N8 #E0E6E9
+folder "Network Configuration in Cloud" as N9 #FBE9E7
+frame "Cloud Audit Trails" as N10 #FBE9E7
+rectangle "Data Storage in Cloud" as N11 #FBE9E7
+circle " " as S0 #FBE9E7
+circle " " as M0 #FBE9E7
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2 : develops serverless apps
+N2 -[#92C79A]-> N3 : integrates edge
+N3 -[#000000]-> N4 : optimizes costs
+N4 -[#FF8A65]-> N5
+N5 -[#FF8A65]-> N6
+N6 ..[#FF8A65]..> N7
+N7 ..[#FF8A65]..> N8
+N8 ..[#AABEC6]..> N9 : provides IaaS
+N9 -[#000000]-> N10
+N10 -[#FF8A65]-> N11
+nest0_0 -[#FF8A65]-> nest0_1 : implements DR
+nest0_1 -[#FF8A65]-> nest0_2
+nest0_2 -[#AABEC6]-> nest0_3 : offers DBaaS
+N2 -[#92C79A]-> nest0_0
+nest0_3 ..[#FF8A65]..> N10
+N8 -[#FF8A65]-> S0
+S0 ..[#000000]..> N10
+S0 ..[#000000]..> N11
+N2 ..[#FF8A65]..> M0
+N0 -[#FF8A65]-> M0
+M0 ..[#92C79A]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_226.puml b/test/plantuml/scanned_hard/plantuml_226.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3841a7bc1a8e686f0a2c7ac16f08631d94ae30f1
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_226.puml
@@ -0,0 +1,42 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Scheduling Posts" as Group0 #FBE9E7 {
+    cloud "Customer Service on Social Media" as nest0_0 #EFE6FF
+    folder "Social Listening" as nest0_1 #EFE6FF
+}
+usecase "Ethical Use of Social Media" as N0 #D1C4E9
+cloud "Group Management" as N1 #D1C4E9
+frame "Social Media Audits" as N2 #EFE6FF
+frame "Partnership Management on Social" as N3 #D1C4E9
+rectangle "Cross_Promotion" as N4 #EFE6FF
+rectangle "Community Management" as N5 #CFD8DC
+rectangle "Content Moderation" as N6 #CFD8DC
+folder "Reputation Management" as N7 #CFD8DC
+database "Content Strategy" as N8 #EFE6FF
+circle " " as S0 #CFD8DC
+circle " " as S1 #CFD8DC
+circle " " as M0 #EFE6FF
+N0 ..[#607D8B]..> N1
+N1 -[#C2B2F0]-> N2
+N2 ..[#C2B2F0]..> N3 : develops brand voice
+N3 ..[#C2B2F0]..> N4
+N4 ..[#607D8B]..> N5
+N5 -[#673AB7]-> N6 : generates reports
+N6 -[#C2B2F0]-> N7
+N7 -[#C2B2F0]-> N8
+nest0_0 ..[#C2B2F0]..> nest0_1 : analyzes engagement
+N4 -[#C2B2F0]-> nest0_0 : manages crises
+nest0_1 -[#673AB7]-> N6 : creates content
+N5 -[#C2B2F0]-> S0
+S0 ..[#673AB7]..> N7 : monitors competitors
+S0 ..[#673AB7]..> N8
+N4 ..[#607D8B]..> S1
+S1 -[#607D8B]-> N7
+S1 ..[#673AB7]..> N6 : moderates comments
+S1 -[#000000]-> N8
+N0 ..[#673AB7]..> M0
+N1 -[#C2B2F0]-> M0
+M0 ..[#607D8B]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_231.puml b/test/plantuml/scanned_hard/plantuml_231.puml
new file mode 100644
index 0000000000000000000000000000000000000000..71d4404d6925fe35779aecd356272e823156a0cf
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_231.puml
@@ -0,0 +1,34 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "User Intent Understanding" as Group0 #ECEFF1 {
+    node "Click_Through Rate Optimization" as nest0_0 #E0E6E9
+    database "News Search" as nest0_1 #FFE88D
+}
+folder "Schema Markup Implementation" as N0 #E0E6E9
+frame "Indexing Content" as N1 #FFE88D
+component "Local SEO" as N2 #FFE88D
+usecase "Algorithm Updates Monitoring" as N3 #FFE88D
+node "Keyword Research" as N4 #FFE88D
+usecase "Content Quality Assessment" as N5 #FFE88D
+database "Academic Search" as N6 #E0E6E9
+circle " " as S1 #E8F0FF
+circle " " as M0 #E8F0FF
+N0 ..[#FFDA4E]..> N1
+N1 -[#AABEC6]-> N2 : optimizes off_page
+N2 ..[#A2D0FF]..> N3
+N3 -[#AABEC6]-> N4
+N4 ..[#A2D0FF]..> N5
+N5 ..[#FFDA4E]..> N6 : uses semantics
+nest0_0 -[#A2D0FF]-> nest0_1
+N3 ..[#A2D0FF]..> nest0_0
+nest0_1 -[#AABEC6]-> N4
+N1 ..[#FFDA4E]..> S1
+S1 -[#FFDA4E]-> N3
+S1 -[#A2D0FF]-> N6
+S1 -[#A2D0FF]-> N4
+N0 ..[#AABEC6]..> M0
+N2 ..[#AABEC6]..> M0
+M0 -[#A2D0FF]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_231.txt b/test/plantuml/scanned_hard/plantuml_231.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82799202e3aecc8bf87fc6e5bbf3684e98329898
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_231.txt
@@ -0,0 +1,16 @@
+<Algorithm Updates Monitoring, connectedTo, Click_Through Rate Optimization>
+<Algorithm Updates Monitoring, connectedTo, Keyword Research>
+<Click_Through Rate Optimization, connectedTo, News Search>
+<Click_Through Rate Optimization, partOf, User Intent Understanding>
+<Content Quality Assessment, uses semantics, Academic Search>
+<Indexing Content, connectedTo, Academic Search>
+<Indexing Content, connectedTo, Algorithm Updates Monitoring>
+<Indexing Content, connectedTo, Keyword Research>
+<Indexing Content, optimizes off_page, Local SEO>
+<Keyword Research, connectedTo, Content Quality Assessment>
+<Local SEO, connectedTo, Algorithm Updates Monitoring>
+<Local SEO, connectedTo, Keyword Research>
+<News Search, connectedTo, Keyword Research>
+<News Search, partOf, User Intent Understanding>
+<Schema Markup Implementation, connectedTo, Indexing Content>
+<Schema Markup Implementation, connectedTo, Keyword Research>
diff --git a/test/plantuml/scanned_hard/plantuml_233.txt b/test/plantuml/scanned_hard/plantuml_233.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93a251592f73ee9195d42ed25c72006d074a6b16
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_233.txt
@@ -0,0 +1,26 @@
+<API Security for Identity, partOf, User Registration>
+<API Security for Identity, uses digital signatures, Identity Proofing>
+<Access Governance, connectedTo, De_provisioning>
+<Adaptive Authentication, manages workforces, Social Login Integration>
+<Authentication, connectedTo, Non_Repudiation>
+<Biometric Authentication, connectedTo, Risk_Based Authentication>
+<Customer Identity and Access Management, authenticates users, Identity Threat Detection and Response>
+<Customer Identity and Access Management, authorizes access, KYC Integration>
+<Customer Identity and Access Management, connectedTo, Workforce Identity Management>
+<De_provisioning, connectedTo, API Security for Identity>
+<De_provisioning, connectedTo, Authentication>
+<De_provisioning, connectedTo, Digital Signatures>
+<De_provisioning, connectedTo, Social Login Integration>
+<De_provisioning, performs KYCs, Adaptive Authentication>
+<Digital Signatures, connectedTo, Workforce Identity Management>
+<Digital Signatures, ensures non_repudiation, Social Login Integration>
+<Identity Lifecycle Management, connectedTo, Verifiable Credentials>
+<Identity Proofing, partOf, User Registration>
+<Identity Proofing, protects data, Access Governance>
+<Identity Threat Detection and Response, connectedTo, Access Governance>
+<KYC Integration, connectedTo, Identity Lifecycle Management>
+<Non_Repudiation, connectedTo, Adaptive Authentication>
+<Risk_Based Authentication, connectedTo, Authentication>
+<Social Login Integration, connectedTo, KYC Integration>
+<Workforce Identity Management, connectedTo, Biometric Authentication>
+<Workforce Identity Management, connectedTo, Social Login Integration>
diff --git a/test/plantuml/scanned_hard/plantuml_234.txt b/test/plantuml/scanned_hard/plantuml_234.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a87eea745a1ae0156f386a949f7b14b97ede4fc
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_234.txt
@@ -0,0 +1,24 @@
+<API Security for Identity, connectedTo, Fraud Detection in Identity>
+<API Security for Identity, connectedTo, Privacy Management>
+<Authentication, connectedTo, Identity Lifecycle Management>
+<Authentication, connectedTo, Identity Threat Detection and Response>
+<Authentication, ensures compliance, Fraud Detection in Identity>
+<Blockchain_based Identity, manages passwords, Password Management>
+<Consent Management, connectedTo, User Registration>
+<Federated Identity Management, manages lifecycles, Single Sign_On>
+<Federated Identity Management, partOf, Privileged Access Management>
+<Identity Lifecycle Management, connectedTo, Fraud Detection in Identity>
+<Identity Lifecycle Management, connectedTo, Identity Proofing>
+<Identity Lifecycle Management, connectedTo, Identity as a Service>
+<Identity Proofing, connectedTo, Federated Identity Management>
+<Identity Proofing, partOf, Privileged Access Management>
+<Identity Threat Detection and Response, connectedTo, Fraud Detection in Identity>
+<Identity as a Service, connectedTo, Multi_Factor Authentication>
+<Multi_Factor Authentication, minimizes data, Identity Threat Detection and Response>
+<Password Management, connectedTo, Authentication>
+<Privacy Management, connectedTo, Consent Management>
+<Privacy Management, connectedTo, Fraud Detection in Identity>
+<Privacy Management, uses digital signatures, Identity Lifecycle Management>
+<Single Sign_On, connectedTo, Identity Lifecycle Management>
+<Single Sign_On, partOf, Privileged Access Management>
+<User Registration, connectedTo, Blockchain_based Identity>
diff --git a/test/plantuml/scanned_hard/plantuml_238.puml b/test/plantuml/scanned_hard/plantuml_238.puml
new file mode 100644
index 0000000000000000000000000000000000000000..00f0ed393bb2216fab2441b74de592828883c052
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_238.puml
@@ -0,0 +1,50 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Discussion Forum Management" as Group0 #EDE7F6 {
+    folder "Verified Track Management" as nest0_0 #E1F5FE
+    rectangle "Course Audit Options" as nest0_1 #F9FBE7
+    node "Course Promotion" as nest0_2 #E1F5FE
+    artifact "Forum Moderation" as nest0_3 #EBEBEB
+}
+artifact "Learner Support" as N0 #E1F5FE
+artifact "Peer Grading Implementation" as N1 #EBEBEB
+folder "Subscription Models" as N2 #EBEBEB
+artifact "Instructor Recruitment for MOOCs" as N3 #F9FBE7
+usecase "Mobile Learning Experience" as N4 #EBEBEB
+rectangle "Global Accessibility Features" as N5 #EBEBEB
+folder "Corporate Training Solutions" as N6 #E1F5FE
+rectangle "Platform Selection" as N7 #EBEBEB
+node "Marketing to Global Audience" as N8 #E1F5FE
+database "Career Pathway Mapping" as N9 #E1F5FE
+database "Financial Aid for Learners" as N10 #F9FBE7
+folder "Micro_credential Stacking" as N11 #EBEBEB
+frame "Skill_Based Learning Outcomes" as N12 #E1F5FE
+circle " " as S1 #F9FBE7
+circle " " as M0 #F9FBE7
+N0 -[#4FC3F7]-> N1
+N1 ..[#4FC3F7]..> N2
+N2 ..[#000000]..> N3
+N3 -[#E0E0E0]-> N4 : issues statements of accomplishment
+N4 ..[#4FC3F7]..> N5
+N5 ..[#DCE775]..> N6
+N6 ..[#4FC3F7]..> N7
+N7 -[#000000]-> N8
+N8 ..[#DCE775]..> N9
+N9 ..[#000000]..> N10
+N10 ..[#4FC3F7]..> N11
+N11 -[#4FC3F7]-> N12 : translates content
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#E0E0E0]-> nest0_2
+nest0_2 ..[#E0E0E0]..> nest0_3
+N11 -[#E0E0E0]-> nest0_0
+nest0_3 -[#E0E0E0]-> N3 : offers assignments
+N9 -[#4FC3F7]-> S1
+S1 ..[#4FC3F7]..> N11
+S1 -[#000000]-> N12 : funds development
+N0 ..[#DCE775]..> M0 : provides readings
+N3 -[#E0E0E0]-> M0
+M0 -[#4FC3F7]-> N5
+nest0_2 -[#DCE775]-> N6 : offers pathways
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_24.txt b/test/plantuml/scanned_hard/plantuml_24.txt
new file mode 100644
index 0000000000000000000000000000000000000000..46448ec41b2331ec30f3ea5617f9a9318eed274f
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_24.txt
@@ -0,0 +1,11 @@
+<City_wide Sensor Network Deployment, connectedTo, Waste Management Optimization>
+<Crowd Management, connectedTo, Smart Parking>
+<Cybersecurity for Infrastructure, secures, Citizen Feedback Loop>
+<Digital Twins of City, analyzes, Smart Parking>
+<Digital Twins of City, resources, Public Transport Tracking>
+<Intelligent Public Safety Cameras, measures, Digital Twins of City>
+<Public Transport Tracking, connectedTo, Cybersecurity for Infrastructure>
+<Smart Building Integration, connectedTo, City_wide Sensor Network Deployment>
+<Smart Parking, partners, Smart Building Integration>
+<Smart Parking, tracks, Public Transport Tracking>
+<Waste Management Optimization, connectedTo, Intelligent Public Safety Cameras>
diff --git a/test/plantuml/scanned_hard/plantuml_240.txt b/test/plantuml/scanned_hard/plantuml_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7f2795f7ef291f86810da302d667117a0c946cc
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_240.txt
@@ -0,0 +1,19 @@
+<Course Audit Options, builds communities, Learner Analytics>
+<Global Accessibility Features, connectedTo, Platform Selection>
+<Learner Support, connectedTo, Self_Paced Learning Tracks>
+<Learner Support, partOf, Course Promotion>
+<Marketing to Global Audience, manages instructors, Global Accessibility Features>
+<Marketing to Global Audience, updates content, Learner Analytics>
+<Platform Selection, connectedTo, Course Audit Options>
+<Platform Selection, connectedTo, Learner Analytics>
+<Platform Selection, connectedTo, Video Lecture Production>
+<Research on MOOC Effectiveness, connectedTo, Course Audit Options>
+<Research on MOOC Effectiveness, connectedTo, Marketing to Global Audience>
+<Research on MOOC Effectiveness, facilitates peer review, Global Accessibility Features>
+<Research on MOOC Effectiveness, personalizes learning, Platform Selection>
+<Self_Paced Learning Tracks, connectedTo, Course Audit Options>
+<Self_Paced Learning Tracks, partOf, Course Promotion>
+<Verified Track Management, connectedTo, Global Accessibility Features>
+<Verified Track Management, connectedTo, Research on MOOC Effectiveness>
+<Video Lecture Production, connectedTo, Learner Support>
+<Video Lecture Production, partOf, Course Promotion>
diff --git a/test/plantuml/scanned_hard/plantuml_249.txt b/test/plantuml/scanned_hard/plantuml_249.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ab2704f0de156a5d51789bc3c8a550da1961a0c
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_249.txt
@@ -0,0 +1,46 @@
+<Barcode Scanning, connectedTo, Delivery Confirmation>
+<Carrier Selection, connectedTo, Consolidation>
+<Carrier Selection, partOf, Ocean Freight Management>
+<Cold Chain Management, connectedTo, Freight Booking>
+<Cold Chain Management, partOf, Ocean Freight Management>
+<Consolidation, connectedTo, Cold Chain Management>
+<Consolidation, partOf, Ocean Freight Management>
+<Container Loading, connectedTo, Damage Reporting>
+<Customs Clearance, connectedTo, Hub Transfer>
+<Deconsolidation, connectedTo, Container Loading>
+<Deconsolidation, connectedTo, Demand Forecasting Integration>
+<Deconsolidation, connectedTo, Invoice Matching>
+<Deconsolidation, connectedTo, Return Logistics>
+<Deconsolidation, connectedTo, Vehicle Loading>
+<Delay Notification, connectedTo, Demand Forecasting Integration>
+<Delay Notification, connectedTo, Package Labeling>
+<Delivery Confirmation, connectedTo, Demand Forecasting Integration>
+<Demand Forecasting Integration, connectedTo, Damage Reporting>
+<Demand Forecasting Integration, connectedTo, Freight Booking>
+<Demand Forecasting Integration, connectedTo, Return Logistics>
+<Demand Forecasting Integration, connectedTo, Route Optimization Software>
+<Freight Booking, connectedTo, Pallet Stacking>
+<Global Trade Compliance, connectedTo, Demand Forecasting Integration>
+<Global Trade Compliance, connectedTo, Return Logistics>
+<Global Trade Compliance, receives, Customs Clearance>
+<Hazardous Material Transport, connectedTo, Deconsolidation>
+<Hazardous Material Transport, partOf, Customs Declaration>
+<Hub Transfer, connectedTo, Deconsolidation>
+<Hub Transfer, connectedTo, Packing Process>
+<Invoice Matching, connectedTo, Delay Notification>
+<Invoice Matching, connectedTo, Demand Forecasting Integration>
+<Invoice Matching, connectedTo, Packing Process>
+<Last_mile Dispatch, connectedTo, Route Optimization Software>
+<Package Labeling, connectedTo, Packing Process>
+<Packing Process, connectedTo, Barcode Scanning>
+<Packing Process, connectedTo, Delivery Confirmation>
+<Packing Process, connectedTo, Vehicle Loading>
+<Pallet Stacking, connectedTo, Return Logistics>
+<Pallet Stacking, connectedTo, Vehicle Loading>
+<Rail Transport Coordination, connectedTo, Hazardous Material Transport>
+<Rail Transport Coordination, partOf, Customs Declaration>
+<Return Logistics, connectedTo, Carrier Selection>
+<Return Logistics, connectedTo, Last_mile Dispatch>
+<Route Optimization Software, connectedTo, Container Loading>
+<Route Optimization Software, connectedTo, Rail Transport Coordination>
+<Vehicle Loading, coordinates, Return Logistics>
diff --git a/test/plantuml/scanned_hard/plantuml_263.puml b/test/plantuml/scanned_hard/plantuml_263.puml
new file mode 100644
index 0000000000000000000000000000000000000000..42cfbe9d6616daeb56e49b153f7a294af166cbb8
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_263.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Irrigation System Control" as Group0 #ECEFF1 {
+    usecase "Leak Detection" as nest0_0 #FFF9D4
+    database "Personalized Comfort Settings" as nest0_1 #F1F8FF
+    folder "Centralized Hub Configuration" as nest0_2 #FFF9D4
+}
+rectangle "App Control" as Group1 #F1F8E9 {
+    frame "Curtain Automation" as nest1_0 #FFF9D4
+    component "Video Surveillance" as nest1_1 #FCE4EC
+    node "Automated Vacuum Cleaning" as nest1_2 #F1F8FF
+}
+rectangle "Smart Appliance Control" as N0 #FCE4EC
+cloud "Motion Detection" as N1 #FCE4EC
+component "Water Heater Control" as N2 #F1F8FF
+usecase "Remote Control" as N3 #F1F8FF
+artifact "Routine Scheduling" as N4 #FCE4EC
+node "Garage Door Control" as N5 #FFF9D4
+usecase "Voice Command" as N6 #F1F8FF
+folder "Thermostat Adjustment" as N7 #FCE4EC
+folder "Home Security System Activation" as N8 #F1F8FF
+component "Device Pairing" as N9 #FFF9D4
+database "Sound System Integration" as N10 #F1F8FF
+folder "Emergency Service Connection" as N11 #FCE4EC
+folder "Door Lock Management" as N12 #F1F8FF
+folder "Window Sensor Monitoring" as N13 #FFF9D4
+cloud "Security Alert" as N14 #F1F8FF
+folder "Energy Monitoring" as N15 #F1F8FF
+component "Geofencing Trigger" as N16 #FFF9D4
+circle " " as S0 #F1F8FF
+circle " " as M0 #F1F8FF
+circle " " as M1 #FCE4EC
+N0 ..[#FFE69C]..> N1
+N1 ..[#000000]..> N2
+N2 -[#000000]-> N3
+N3 ..[#FFE69C]..> N4
+N4 ..[#FFE69C]..> N5
+N5 -[#F06292]-> N6
+N6 -[#42A5F5]-> N7
+N7 -[#42A5F5]-> N8
+N8 ..[#F06292]..> N9 : interacts
+N9 ..[#F06292]..> N10
+N10 -[#FFE69C]-> N11
+N11 ..[#FFE69C]..> N12
+N12 ..[#42A5F5]..> N13 : assists
+N13 ..[#000000]..> N14
+N14 ..[#FFE69C]..> N15
+N15 -[#000000]-> N16
+nest0_0 -[#42A5F5]-> nest0_1
+nest0_1 -[#F06292]-> nest0_2
+N2 ..[#000000]..> nest0_0
+nest0_2 ..[#42A5F5]..> N9
+nest1_0 -[#42A5F5]-> nest1_1 : adjusts
+nest1_1 -[#F06292]-> nest1_2
+N12 ..[#42A5F5]..> nest1_0 : learns
+nest1_2 ..[#FFE69C]..> N13
+N3 -[#000000]-> S0
+S0 ..[#42A5F5]..> N7
+S0 -[#FFE69C]-> N16
+S0 -[#F06292]-> N13
+N1 ..[#F06292]..> M0
+N0 -[#F06292]-> M0
+M0 -[#000000]-> N3
+N4 ..[#FFE69C]..> M1
+N5 -[#F06292]-> M1
+M1 -[#F06292]-> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_274.puml b/test/plantuml/scanned_hard/plantuml_274.puml
new file mode 100644
index 0000000000000000000000000000000000000000..007b1036f851a99ecf499fc59c00ae640395e0f5
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_274.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Interview Conducting" as Group0 #ECEFF1 {
+    cloud "Candidate Tracking" as nest0_0 #FCFCE7
+    cloud "Interview Panel Coordination" as nest0_1 #F1F8E9
+}
+rectangle "Employer Branding" as Group1 #FBE9E7 {
+    frame "Offer Extension" as nest1_0 #ECEFF1
+    node "Compliance in Hiring" as nest1_1 #ECEFF1
+    component "Background Check" as nest1_2 #ECEFF1
+    database "Global Recruitment Strategy" as nest1_3 #ECEFF1
+}
+usecase "Passive Candidate Engagement" as N0 #ECEFF1
+folder "Talent Pipeline Building" as N1 #F1F8E9
+rectangle "AI in Recruitment" as N2 #FCFCE7
+frame "Psychometric Testing" as N3 #FCFCE7
+component "Video Interviewing" as N4 #ECEFF1
+folder "Recruitment Metrics Reporting" as N5 #F1F8E9
+database "Recruiter Training" as N6 #F1F8E9
+rectangle "Temporary Staffing" as N7 #FCFCE7
+cloud "Negotiation" as N8 #FCFCE7
+artifact "Candidate Relationship Management" as N9 #F1F8E9
+component "Competency_Based Interviewing" as N10 #FCFCE7
+cloud "Employee Referral Program" as N11 #FCFCE7
+node "Candidate Experience Management" as N12 #FCFCE7
+circle " " as S0 #ECEFF1
+circle " " as S1 #FCFCE7
+circle " " as M0 #ECEFF1
+circle " " as M1 #ECEFF1
+circle " " as M2 #FCFCE7
+N0 ..[#90A4AE]..> N1
+N1 ..[#DCE775]..> N2
+N2 -[#81C784]-> N3
+N3 -[#81C784]-> N4
+N4 -[#000000]-> N5
+N5 ..[#90A4AE]..> N6
+N6 ..[#81C784]..> N7
+N7 -[#DCE775]-> N8
+N8 ..[#81C784]..> N9
+N9 ..[#90A4AE]..> N10
+N10 -[#000000]-> N11
+N11 ..[#81C784]..> N12
+nest0_0 -[#000000]-> nest0_1
+N9 ..[#90A4AE]..> nest0_0
+nest0_1 ..[#81C784]..> N6
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#81C784]..> nest1_2
+nest1_2 ..[#90A4AE]..> nest1_3
+N1 ..[#000000]..> nest1_0
+nest1_3 ..[#000000]..> N11
+N2 ..[#90A4AE]..> S0
+S0 ..[#DCE775]..> N4 : builds
+S0 -[#90A4AE]-> N7
+S0 ..[#DCE775]..> N9
+N6 -[#DCE775]-> S1
+S1 -[#90A4AE]-> N12
+S1 -[#DCE775]-> N9 : educates
+S1 -[#000000]-> N10
+S1 ..[#000000]..> N11
+N8 -[#90A4AE]-> M0
+N10 -[#81C784]-> M0
+M0 ..[#DCE775]..> N12
+N8 -[#81C784]-> M1
+N10 ..[#000000]..> M1
+N6 ..[#DCE775]..> M1
+N2 -[#000000]-> M1
+M1 -[#81C784]-> N12
+N3 -[#000000]-> M2
+N1 -[#81C784]-> M2
+M2 -[#81C784]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_287.puml b/test/plantuml/scanned_hard/plantuml_287.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e97e3f56bc491113d78dbb7f808e14a4ee9178e7
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_287.puml
@@ -0,0 +1,54 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Child Protection Policies" as Group0 #E3F2FD {
+    cloud "Childcare Facility Licensing" as nest0_0 #FCE4EC
+    cloud "Nutritional Meal Preparation" as nest0_1 #F5F5F5
+}
+rectangle "Diaper Changing" as Group1 #F3E5F5 {
+    artifact "Toddler Activities" as nest1_0 #FCE4EC
+    frame "Individualized Attention" as nest1_1 #F5F5F5
+    rectangle "Motor Skill Development" as nest1_2 #FFF6D9
+    artifact "Special Needs Accommodation" as nest1_3 #FFF6D9
+}
+database "Field Trip Organization" as N0 #F5F5F5
+component "Daily Activity Reporting" as N1 #FCE4EC
+rectangle "Enrollment and Admissions" as N2 #F5F5F5
+component "First Aid Administration" as N3 #FFF6D9
+usecase "Emergency Evacuation Drills" as N4 #F5F5F5
+node "Curriculum Planning" as N5 #F5F5F5
+database "Infant Care" as N6 #FFF6D9
+cloud "Playground Safety Inspection" as N7 #F5F5F5
+database "Behavior Management" as N8 #FFF6D9
+circle " " as S0 #FFF6D9
+circle " " as S1 #FCE4EC
+circle " " as M1 #FCE4EC
+N0 ..[#F06292]..> N1
+N1 -[#000000]-> N2
+N2 -[#BDBDBD]-> N3
+N3 -[#BDBDBD]-> N4
+N4 -[#FFCC7A]-> N5
+N5 ..[#FFCC7A]..> N6
+N6 ..[#000000]..> N7
+N7 -[#BDBDBD]-> N8
+nest0_0 -[#FFCC7A]-> nest0_1 : disciplines
+N4 ..[#FFCC7A]..> nest0_0
+nest0_1 -[#BDBDBD]-> N1
+nest1_0 -[#BDBDBD]-> nest1_1
+nest1_1 -[#BDBDBD]-> nest1_2
+nest1_2 -[#F06292]-> nest1_3 : engages
+N5 ..[#000000]..> nest1_0
+nest1_3 ..[#F06292]..> N4
+N1 ..[#F06292]..> S0
+S0 -[#FFCC7A]-> N5
+S0 -[#F06292]-> N6
+N2 -[#FFCC7A]-> S1
+S1 ..[#F06292]..> N7
+S1 ..[#F06292]..> N8
+S1 ..[#BDBDBD]..> N6
+S1 ..[#F06292]..> N5
+N0 ..[#000000]..> M1
+N1 -[#BDBDBD]-> M1
+M1 -[#000000]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_289.puml b/test/plantuml/scanned_hard/plantuml_289.puml
new file mode 100644
index 0000000000000000000000000000000000000000..68b5db9fd90e64b2a72f07c54a26f470276e3885
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_289.puml
@@ -0,0 +1,60 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Environmental Remediation" as Group0 #FBE9E7 {
+    frame "Hazard Mapping" as nest0_0 #DED7F0
+    usecase "Shelter Management" as nest0_1 #FFF6D9
+    component "Psychosocial Support" as nest0_2 #DED7F0
+    node "Community Preparedness" as nest0_3 #FFF6D9
+}
+rectangle "Search and Rescue Operations" as Group1 #E0F2F1 {
+    rectangle "Information Dissemination" as nest1_0 #FFF6D9
+    artifact "Emergency Planning" as nest1_1 #FFF6D9
+}
+folder "Resilience Building" as N0 #DED7F0
+node "Damage Assessment" as N1 #DED7F0
+node "Early Recovery Actions" as N2 #FFF6D9
+folder "Cash Transfer Programs" as N3 #FFF6D9
+folder "Logistics and Supply Chain" as N4 #F2E6F5
+component "Medical Aid Deployment" as N5 #DED7F0
+folder "Mitigation Strategies" as N6 #FFF6D9
+folder "Drone Deployment for Assessment" as N7 #DED7F0
+circle " " as S0 #FFF6D9
+circle " " as S1 #DED7F0
+circle " " as S2 #F2E6F5
+circle " " as M0 #FFF6D9
+circle " " as M2 #FFF6D9
+N0 ..[#A188DB]..> N1
+N1 -[#CB9BE1]-> N2
+N2 ..[#FFCC7A]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#A188DB]..> N5
+N5 ..[#000000]..> N6
+N6 -[#FFCC7A]-> N7
+nest0_0 ..[#CB9BE1]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 ..[#A188DB]..> nest0_3
+N5 -[#000000]-> nest0_0
+nest0_3 -[#A188DB]-> N1
+nest1_0 ..[#000000]..> nest1_1
+N4 ..[#FFCC7A]..> nest1_0
+nest1_1 -[#A188DB]-> N4
+N4 -[#FFCC7A]-> S0
+S0 -[#CB9BE1]-> N7
+S0 -[#CB9BE1]-> N6
+N3 ..[#000000]..> S1
+S1 ..[#000000]..> N7
+S1 -[#CB9BE1]-> N6
+N2 -[#000000]-> S2
+S2 -[#A188DB]-> N5 : warns
+S2 ..[#CB9BE1]..> N4
+S2 -[#CB9BE1]-> N6
+S2 ..[#FFCC7A]..> N7
+N0 -[#000000]-> M0
+N1 ..[#CB9BE1]..> M0 : deploys
+M0 ..[#A188DB]..> N3
+N4 -[#CB9BE1]-> M2
+N2 ..[#FFCC7A]..> M2
+M2 ..[#CB9BE1]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_301.puml b/test/plantuml/scanned_hard/plantuml_301.puml
new file mode 100644
index 0000000000000000000000000000000000000000..03ba45367f1f2c6a11cfa322bbdb3394edfefdee
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_301.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Big Data Processing" as Group0 #E3F2FD {
+    rectangle "Machine Learning Integration" as nest0_0 #EDE7F6
+    frame "Social Media Analytics" as nest0_1 #E4E0DF
+    artifact "Data Quality Assurance" as nest0_2 #F0F4C3
+    rectangle "A or B Testing Analysis" as nest0_3 #EDE7F6
+}
+rectangle "Dashboard Creation" as Group1 #F3E5F5 {
+    artifact "Data Visualization" as nest1_0 #EDE7F6
+    frame "Supply Chain Analytics" as nest1_1 #EDE7F6
+    folder "Data Transformation" as nest1_2 #F0F4C3
+}
+cloud "Risk Analytics" as N0 #E4E0DF
+rectangle "Financial Data Analysis" as N1 #E4E0DF
+artifact "Sentiment Analysis" as N2 #EDE7F6
+folder "Cloud_based Data Platforms" as N3 #E4E0DF
+usecase "Time Series Forecasting" as N4 #E4E0DF
+usecase "Data Security Best Practices" as N5 #E4E0DF
+artifact "Data Cleaning" as N6 #F0F4C3
+node "Report Generation" as N7 #EDE7F6
+node "Data Governance" as N8 #EDE7F6
+folder "Operational Efficiency Metrics" as N9 #E4E0DF
+component "Business User Training on Analytics" as N10 #EDE7F6
+folder "Exploratory Data Analysis" as N11 #E4E0DF
+circle " " as S0 #EDE7F6
+circle " " as S1 #EDE7F6
+circle " " as S2 #E4E0DF
+circle " " as M0 #F0F4C3
+circle " " as M1 #E4E0DF
+N0 ..[#000000]..> N1 : researches
+N1 -[#BDAFA8]-> N2
+N2 ..[#AED581]..> N3 : prepares
+N3 ..[#BDAFA8]..> N4
+N4 ..[#BDAFA8]..> N5
+N5 ..[#AED581]..> N6
+N6 -[#000000]-> N7
+N7 ..[#AED581]..> N8
+N8 ..[#BDAFA8]..> N9
+N9 -[#000000]-> N10
+N10 -[#AED581]-> N11
+nest0_0 -[#BDAFA8]-> nest0_1
+nest0_1 -[#AED581]-> nest0_2
+nest0_2 ..[#7E57C2]..> nest0_3
+N4 -[#000000]-> nest0_0
+nest0_3 -[#BDAFA8]-> N8 : models
+nest1_0 ..[#BDAFA8]..> nest1_1
+nest1_1 -[#7E57C2]-> nest1_2
+N7 ..[#AED581]..> nest1_0
+nest1_2 ..[#000000]..> N5
+N8 -[#BDAFA8]-> S0
+S0 -[#BDAFA8]-> N11
+S0 ..[#BDAFA8]..> N10
+N7 -[#BDAFA8]-> S1
+S1 -[#000000]-> N9
+S1 -[#BDAFA8]-> N10
+S1 ..[#BDAFA8]..> N11 : interprets
+N6 ..[#BDAFA8]..> S2
+S2 ..[#BDAFA8]..> N9
+S2 ..[#7E57C2]..> N8
+N7 ..[#AED581]..> M0
+N3 -[#7E57C2]-> M0
+M0 ..[#BDAFA8]..> N9
+N0 -[#000000]-> M1 : correlates
+N1 ..[#000000]..> M1 : forecasts
+M1 -[#BDAFA8]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_302.txt b/test/plantuml/scanned_hard/plantuml_302.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7d3cd80948fd5ccfd3039d7df70fcf81d0198b65
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_302.txt
@@ -0,0 +1,41 @@
+<BI Platform Administration, connectedTo, Self_Service BI Tools>
+<BI Platform Administration, partOf, Data Security in BI>
+<Budget Performance Analysis, connectedTo, BI Platform Administration>
+<Budget Performance Analysis, partOf, Data Security in BI>
+<Cloud BI Solutions, connectedTo, Embedded Analytics>
+<Cloud BI Solutions, partOf, Data Security in BI>
+<Competitive Analysis, connectedTo, Data Modeling>
+<Competitive Analysis, partOf, Actionable Insights Generation>
+<Customer Behavior Insights, connectedTo, Budget Performance Analysis>
+<Customer Behavior Insights, presents, Mobile BI Development>
+<Data Modeling, connectedTo, Regulatory Compliance Reporting>
+<Data Storytelling for Business, connectedTo, Financial Performance Reporting>
+<Data Storytelling for Business, connectedTo, Master Data Management>
+<Data Warehousing, connectedTo, KPI Definition>
+<Data Warehousing, recommends, Executive Summary Reporting>
+<ETL Development, connectedTo, Customer Behavior Insights>
+<ETL Development, connectedTo, Data Modeling>
+<ETL Development, connectedTo, Mobile BI Development>
+<ETL Development, connectedTo, Sales Forecasting>
+<ETL Development, connectedTo, Strategic Planning Support>
+<Embedded Analytics, connectedTo, Data Modeling>
+<Executive Summary Reporting, connectedTo, Competitive Analysis>
+<Executive Summary Reporting, partOf, Actionable Insights Generation>
+<Financial Performance Reporting, connectedTo, ETL Development>
+<Master Data Management, connectedTo, Financial Performance Reporting>
+<Mobile BI Development, connectedTo, Regulatory Compliance Reporting>
+<Mobile BI Development, connectedTo, Risk Assessment Reporting>
+<Regulatory Compliance Reporting, connectedTo, Data Warehousing>
+<Risk Assessment Reporting, warehouses, Strategic Planning Support>
+<Sales Forecasting, audits, Data Modeling>
+<Sales Forecasting, connectedTo, Data Warehousing>
+<Sales Forecasting, connectedTo, KPI Definition>
+<Sales Forecasting, connectedTo, Regulatory Compliance Reporting>
+<Sales Forecasting, deploys, Embedded Analytics>
+<Self_Service BI Tools, connectedTo, Cloud BI Solutions>
+<Self_Service BI Tools, partOf, Data Security in BI>
+<Strategic Planning Support, connectedTo, Regulatory Compliance Reporting>
+<Strategic Planning Support, trains, Sales Forecasting>
+<Supply Chain Optimization, connectedTo, Data Storytelling for Business>
+<Supply Chain Optimization, connectedTo, Financial Performance Reporting>
+<Supply Chain Optimization, connectedTo, Regulatory Compliance Reporting>
diff --git a/test/plantuml/scanned_hard/plantuml_304.puml b/test/plantuml/scanned_hard/plantuml_304.puml
new file mode 100644
index 0000000000000000000000000000000000000000..226b1eb4999dd07cdc34723557617c3543b666f9
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_304.puml
@@ -0,0 +1,78 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Fraud Detection in Ads" as Group0 #E3F2FD {
+    node "Performance Tracking" as nest0_0 #C9EFEC
+    rectangle "Native Advertising" as nest0_1 #F2E6F5
+}
+rectangle "Ad Copywriting" as Group1 #E8F5E9 {
+    component "Video Advertising" as nest1_0 #D0E0F8
+    cloud "Audience Segmentation for Ads" as nest1_1 #D0E0F8
+    cloud "Audience Targeting" as nest1_2 #D0E0F8
+}
+node "Landing Page Optimization" as N0 #F2E6F5
+folder "Psychographic Targeting" as N1 #C9EFEC
+folder "Return on Ad Spend Calculation" as N2 #C9EFEC
+rectangle "Programmatic Advertising" as N3 #D0E0F8
+folder "Media Buying" as N4 #C9EFEC
+cloud "Regulatory Compliance for Ads" as N5 #D0E0F8
+folder "Budget Management" as N6 #C9EFEC
+rectangle "Ad Creative Development" as N7 #C9EFEC
+node "Geo_Targeting" as N8 #D0E0F8
+usecase "Search Engine Ads" as N9 #F2E6F5
+artifact "Conversion Tracking" as N10 #D0E0F8
+frame "Interactive Ad Formats" as N11 #C9EFEC
+database "Ad Platform Management" as N12 #D0E0F8
+database "Outdoor Advertising" as N13 #F2E6F5
+artifact "A or B Testing for Ads" as N14 #F2E6F5
+database "Retargeting Campaigns" as N15 #C9EFEC
+usecase "Visual Design for Ads" as N16 #F2E6F5
+folder "Print Advertising" as N17 #F2E6F5
+folder "Digital Advertising" as N18 #C9EFEC
+rectangle "Brand Awareness Campaigns" as N19 #F2E6F5
+folder "Display Advertising" as N20 #C9EFEC
+circle " " as S0 #C9EFEC
+circle " " as S1 #C9EFEC
+circle " " as M0 #F2E6F5
+circle " " as M1 #F2E6F5
+N0 ..[#CB9BE1]..> N1
+N1 -[#000000]-> N2
+N2 -[#000000]-> N3
+N3 -[#000000]-> N4
+N4 ..[#6FE1D5]..> N5
+N5 -[#CB9BE1]-> N6 : protects privacy
+N6 ..[#4285F4]..> N7
+N7 ..[#CB9BE1]..> N8
+N8 -[#4285F4]-> N9 : radio ads
+N9 ..[#6FE1D5]..> N10
+N10 ..[#6FE1D5]..> N11
+N11 -[#6FE1D5]-> N12
+N12 -[#6FE1D5]-> N13
+N13 -[#4285F4]-> N14
+N14 -[#000000]-> N15
+N15 -[#000000]-> N16
+N16 -[#CB9BE1]-> N17
+N17 -[#6FE1D5]-> N18
+N18 -[#CB9BE1]-> N19
+N19 -[#CB9BE1]-> N20
+nest0_0 -[#CB9BE1]-> nest0_1
+N4 ..[#4285F4]..> nest0_0
+nest0_1 -[#6FE1D5]-> N2
+nest1_0 -[#4285F4]-> nest1_1 : display ads
+nest1_1 -[#4285F4]-> nest1_2
+N17 ..[#4285F4]..> nest1_0
+nest1_2 ..[#CB9BE1]..> N5
+N3 ..[#6FE1D5]..> S0
+S0 -[#6FE1D5]-> N15 : monitors competitors
+S0 -[#6FE1D5]-> N6
+N14 -[#4285F4]-> S1
+S1 -[#000000]-> N18
+S1 -[#4285F4]-> N17
+N7 -[#CB9BE1]-> M0
+N4 -[#6FE1D5]-> M0
+M0 -[#CB9BE1]-> N13
+N7 ..[#6FE1D5]..> M1
+N6 -[#000000]-> M1
+M1 -[#000000]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_305.puml b/test/plantuml/scanned_hard/plantuml_305.puml
new file mode 100644
index 0000000000000000000000000000000000000000..36778d0d72a2c1f1398716b90755087a50984999
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_305.puml
@@ -0,0 +1,54 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Digital Identity Management" as Group0 #F1F8E9 {
+    usecase "Security Token Offerings" as nest0_0 #FFFAE0
+    usecase "Transaction Verification" as nest0_1 #E4E0DF
+    node "Interoperability Solutions" as nest0_2 #E4E0DF
+    usecase "Mining Operations" as nest0_3 #FFFAE0
+}
+rectangle "Zero_Knowledge Proofs" as Group1 #FCE4EC {
+    database "Decentralized Applications Development" as nest1_0 #E4E0DF
+    artifact "Non_Fungible Token Creation" as nest1_1 #E4E0DF
+    database "Scalability Solutions" as nest1_2 #FFFAE0
+}
+node "Sidechains and Layer 2 Solutions" as N0 #E4E0DF
+folder "Supply Chain Traceability" as N1 #E8F0EA
+component "Private Blockchain Implementation" as N2 #E8F0EA
+cloud "Cryptographic Hashing" as N3 #E8F0EA
+database "Decentralized Network Design" as N4 #E4E0DF
+usecase "Decentralized Finance Protocols" as N5 #FFFAE0
+folder "Initial Coin Offerings" as N6 #E8F0EA
+node "Voting Systems on Blockchain" as N7 #E4E0DF
+circle " " as S0 #E8F0EA
+circle " " as M0 #E4E0DF
+circle " " as M2 #E4E0DF
+N0 -[#BDAFA8]-> N1
+N1 -[#92C79A]-> N2
+N2 -[#000000]-> N3
+N3 ..[#92C79A]..> N4 : protects IPs
+N4 ..[#BDAFA8]..> N5
+N5 -[#92C79A]-> N6
+N6 ..[#BDAFA8]..> N7
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#FFE470]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N6 ..[#000000]..> nest0_0
+nest0_3 ..[#FFE470]..> N6
+nest1_0 ..[#BDAFA8]..> nest1_1
+nest1_1 ..[#FFE470]..> nest1_2
+N6 -[#FFE470]-> nest1_0
+nest1_2 -[#92C79A]-> N6
+N4 ..[#FFE470]..> S0
+S0 ..[#92C79A]..> N7
+S0 ..[#92C79A]..> N6
+N1 ..[#FFE470]..> M0
+N0 ..[#92C79A]..> M0 : tokenizes assets
+N2 ..[#92C79A]..> M0
+N3 ..[#FFE470]..> M0
+M0 ..[#92C79A]..> N5
+N2 -[#BDAFA8]-> M2
+N1 ..[#000000]..> M2
+M2 -[#92C79A]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_305.txt b/test/plantuml/scanned_hard/plantuml_305.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba4011a2ad7aa2247eb3a3439ab7291017b11729
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_305.txt
@@ -0,0 +1,31 @@
+<Cryptographic Hashing, connectedTo, Decentralized Finance Protocols>
+<Cryptographic Hashing, protects IPs, Decentralized Network Design>
+<Decentralized Applications Development, connectedTo, Non_Fungible Token Creation>
+<Decentralized Applications Development, partOf, Zero_Knowledge Proofs>
+<Decentralized Finance Protocols, connectedTo, Initial Coin Offerings>
+<Decentralized Network Design, connectedTo, Decentralized Finance Protocols>
+<Decentralized Network Design, connectedTo, Initial Coin Offerings>
+<Decentralized Network Design, connectedTo, Voting Systems on Blockchain>
+<Initial Coin Offerings, connectedTo, Decentralized Applications Development>
+<Initial Coin Offerings, connectedTo, Security Token Offerings>
+<Initial Coin Offerings, connectedTo, Voting Systems on Blockchain>
+<Interoperability Solutions, connectedTo, Mining Operations>
+<Interoperability Solutions, partOf, Digital Identity Management>
+<Mining Operations, connectedTo, Initial Coin Offerings>
+<Mining Operations, partOf, Digital Identity Management>
+<Non_Fungible Token Creation, connectedTo, Scalability Solutions>
+<Non_Fungible Token Creation, partOf, Zero_Knowledge Proofs>
+<Private Blockchain Implementation, connectedTo, Cryptographic Hashing>
+<Private Blockchain Implementation, connectedTo, Decentralized Finance Protocols>
+<Private Blockchain Implementation, connectedTo, Decentralized Network Design>
+<Scalability Solutions, connectedTo, Initial Coin Offerings>
+<Scalability Solutions, partOf, Zero_Knowledge Proofs>
+<Security Token Offerings, connectedTo, Transaction Verification>
+<Security Token Offerings, partOf, Digital Identity Management>
+<Sidechains and Layer 2 Solutions, connectedTo, Supply Chain Traceability>
+<Sidechains and Layer 2 Solutions, tokenizes assets, Decentralized Finance Protocols>
+<Supply Chain Traceability, connectedTo, Decentralized Finance Protocols>
+<Supply Chain Traceability, connectedTo, Decentralized Network Design>
+<Supply Chain Traceability, connectedTo, Private Blockchain Implementation>
+<Transaction Verification, connectedTo, Interoperability Solutions>
+<Transaction Verification, partOf, Digital Identity Management>
diff --git a/test/plantuml/scanned_hard/plantuml_306.txt b/test/plantuml/scanned_hard/plantuml_306.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f73ed53118b5944c8a000bde9e1c83ef63d7b77e
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_306.txt
@@ -0,0 +1,38 @@
+<Blockchain Integration, connectedTo, Staking>
+<Blockchain Integration, partOf, Community Building>
+<Cold Storage Solutions, connectedTo, Fraud Prevention>
+<Cold Storage Solutions, partOf, Community Building>
+<Cross_chain Swaps, connectedTo, Regulatory Compliance>
+<Cross_chain Swaps, partOf, Coin Creation>
+<Cryptocurrency Education, borrows capital, Interoperability Solutions>
+<Cryptocurrency Education, connectedTo, GameFi Development>
+<Cryptocurrency Education, connectedTo, Market Analysis>
+<Cryptocurrency Education, connectedTo, Smart Contract Auditing>
+<Decentralized Autonomous Organizations, connectedTo, Cryptocurrency Education>
+<Decentralized Autonomous Organizations, connectedTo, Lending and Borrowing Protocols>
+<Decentralized Autonomous Organizations, connectedTo, Market Analysis>
+<Decentralized Autonomous Organizations, lends funds, Cryptocurrency Education>
+<Fiat On or Off Ramps, connectedTo, GameFi Development>
+<Fiat On or Off Ramps, partOf, Coin Creation>
+<Fraud Prevention, connectedTo, Blockchain Integration>
+<Fraud Prevention, partOf, Community Building>
+<GameFi Development, connectedTo, Cross_chain Swaps>
+<GameFi Development, connectedTo, Liquidity Provision>
+<Hot Wallet Security, connectedTo, Cryptocurrency Education>
+<Hot Wallet Security, connectedTo, NFT Marketplace Development>
+<Interoperability Solutions, connectedTo, Market Analysis>
+<Lending and Borrowing Protocols, connectedTo, Cryptocurrency Education>
+<Lending and Borrowing Protocols, connectedTo, Market Analysis>
+<Liquidity Provision, analyzes markets, Smart Contract Auditing>
+<Liquidity Provision, connectedTo, Cold Storage Solutions>
+<Market Analysis, connectedTo, GameFi Development>
+<Market Analysis, connectedTo, Liquidity Provision>
+<Market Analysis, connectedTo, Smart Contract Auditing>
+<Mining Algorithm Design, connectedTo, Fiat On or Off Ramps>
+<Mining Algorithm Design, partOf, Coin Creation>
+<NFT Marketplace Development, connectedTo, Cryptocurrency Education>
+<NFT Marketplace Development, connectedTo, Decentralized Autonomous Organizations>
+<Regulatory Compliance, connectedTo, Mining Algorithm Design>
+<Regulatory Compliance, partOf, Coin Creation>
+<Staking, connectedTo, Market Analysis>
+<Staking, partOf, Community Building>
diff --git a/test/plantuml/scanned_hard/plantuml_317.puml b/test/plantuml/scanned_hard/plantuml_317.puml
new file mode 100644
index 0000000000000000000000000000000000000000..059553117690dfdbf7a1eeb231806c70b5560f06
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_317.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Google My Business Management" as Group0 #EDE7F6 {
+    rectangle "Shopping Search" as nest0_0 #FFF3E0
+    database "Click_Through Rate Optimization" as nest0_1 #FFF3E0
+    database "Indexing Content" as nest0_2 #E6EE9C
+    folder "Ranking Algorithms" as nest0_3 #D1C4E9
+}
+rectangle "Crawling Websites" as Group1 #ECEFF1 {
+    frame "On_Page SEO" as nest1_0 #D1C4E9
+    usecase "Penalties Recovery" as nest1_1 #E6EE9C
+    cloud "Search Result Display" as nest1_2 #D1C4E9
+    cloud "Mobile_First Indexing" as nest1_3 #D1C4E9
+}
+folder "Video Search" as N0 #D1C4E9
+artifact "Semantic Search" as N1 #FFF3E0
+folder "Core Web Vitals Optimization" as N2 #FFF3E0
+node "Personalized Search Results" as N3 #D1C4E9
+folder "Featured Snippets Optimization" as N4 #FFF3E0
+rectangle "Search Engine Optimization" as N5 #FFF3E0
+frame "Competitor Keyword Analysis" as N6 #E6EE9C
+folder "Off_Page SEO" as N7 #FFF3E0
+rectangle "Technical SEO" as N8 #E6EE9C
+folder "Negative SEO Prevention" as N9 #D1C4E9
+rectangle "Knowledge Graph Integration" as N10 #FFF3E0
+component "Paid Search Advertising" as N11 #D1C4E9
+folder "Site Architecture Optimization" as N12 #E6EE9C
+cloud "User Experience for Search" as N13 #D1C4E9
+circle " " as S0 #FFF3E0
+circle " " as S1 #D1C4E9
+circle " " as M0 #FFF3E0
+circle " " as M1 #FFF3E0
+N0 ..[#CDDC39]..> N1
+N1 -[#CDDC39]-> N2
+N2 -[#CDDC39]-> N3
+N3 -[#FFB74D]-> N4
+N4 -[#7E57C2]-> N5
+N5 -[#FFB74D]-> N6 : analyzes competitors
+N6 ..[#CDDC39]..> N7
+N7 -[#000000]-> N8
+N8 -[#FFB74D]-> N9 : indexes content
+N9 -[#CDDC39]-> N10 : understands intent
+N10 -[#7E57C2]-> N11 : optimizes for mobile
+N11 ..[#FFB74D]..> N12 : interprets analytics
+N12 ..[#CDDC39]..> N13
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#7E57C2]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N4 -[#FFB74D]-> nest0_0
+nest0_3 ..[#FFB74D]..> N1
+nest1_0 ..[#7E57C2]..> nest1_1
+nest1_1 ..[#7E57C2]..> nest1_2
+nest1_2 ..[#7E57C2]..> nest1_3
+N11 -[#7E57C2]-> nest1_0
+nest1_3 -[#000000]-> N13
+N1 -[#FFB74D]-> S0
+S0 -[#7E57C2]-> N5
+S0 ..[#FFB74D]..> N7
+S0 -[#CDDC39]-> N8
+S0 -[#FFB74D]-> N13
+N5 -[#000000]-> S1
+S1 -[#000000]-> N12
+S1 ..[#CDDC39]..> N10
+S1 -[#FFB74D]-> N13
+S1 ..[#CDDC39]..> N8
+N2 -[#CDDC39]-> M0
+N7 -[#000000]-> M0 : monitors rankings
+N6 -[#000000]-> M0
+M0 -[#FFB74D]-> N10
+N4 ..[#FFB74D]..> M1
+N0 ..[#7E57C2]..> M1
+M1 -[#000000]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_317.txt b/test/plantuml/scanned_hard/plantuml_317.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41b172a725d1c3e71e84747f2a20ce236799176b
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_317.txt
@@ -0,0 +1,44 @@
+<Click_Through Rate Optimization, connectedTo, Indexing Content>
+<Click_Through Rate Optimization, partOf, Google My Business Management>
+<Competitor Keyword Analysis, connectedTo, Knowledge Graph Integration>
+<Competitor Keyword Analysis, connectedTo, Off_Page SEO>
+<Core Web Vitals Optimization, connectedTo, Knowledge Graph Integration>
+<Core Web Vitals Optimization, connectedTo, Personalized Search Results>
+<Featured Snippets Optimization, connectedTo, Negative SEO Prevention>
+<Featured Snippets Optimization, connectedTo, Search Engine Optimization>
+<Featured Snippets Optimization, connectedTo, Shopping Search>
+<Indexing Content, connectedTo, Ranking Algorithms>
+<Indexing Content, partOf, Google My Business Management>
+<Knowledge Graph Integration, optimizes for mobile, Paid Search Advertising>
+<Mobile_First Indexing, connectedTo, User Experience for Search>
+<Mobile_First Indexing, partOf, Crawling Websites>
+<Negative SEO Prevention, understands intent, Knowledge Graph Integration>
+<Off_Page SEO, connectedTo, Technical SEO>
+<Off_Page SEO, monitors rankings, Knowledge Graph Integration>
+<On_Page SEO, connectedTo, Penalties Recovery>
+<On_Page SEO, partOf, Crawling Websites>
+<Paid Search Advertising, connectedTo, On_Page SEO>
+<Paid Search Advertising, interprets analytics, Site Architecture Optimization>
+<Penalties Recovery, connectedTo, Search Result Display>
+<Penalties Recovery, partOf, Crawling Websites>
+<Personalized Search Results, connectedTo, Featured Snippets Optimization>
+<Ranking Algorithms, connectedTo, Semantic Search>
+<Ranking Algorithms, partOf, Google My Business Management>
+<Search Engine Optimization, analyzes competitors, Competitor Keyword Analysis>
+<Search Engine Optimization, connectedTo, Knowledge Graph Integration>
+<Search Engine Optimization, connectedTo, Site Architecture Optimization>
+<Search Engine Optimization, connectedTo, Technical SEO>
+<Search Engine Optimization, connectedTo, User Experience for Search>
+<Search Result Display, connectedTo, Mobile_First Indexing>
+<Search Result Display, partOf, Crawling Websites>
+<Semantic Search, connectedTo, Core Web Vitals Optimization>
+<Semantic Search, connectedTo, Off_Page SEO>
+<Semantic Search, connectedTo, Search Engine Optimization>
+<Semantic Search, connectedTo, Technical SEO>
+<Semantic Search, connectedTo, User Experience for Search>
+<Shopping Search, connectedTo, Click_Through Rate Optimization>
+<Shopping Search, partOf, Google My Business Management>
+<Site Architecture Optimization, connectedTo, User Experience for Search>
+<Technical SEO, indexes content, Negative SEO Prevention>
+<Video Search, connectedTo, Negative SEO Prevention>
+<Video Search, connectedTo, Semantic Search>
diff --git a/test/plantuml/scanned_hard/plantuml_325.puml b/test/plantuml/scanned_hard/plantuml_325.puml
new file mode 100644
index 0000000000000000000000000000000000000000..90993d8620cf18fc1cc585362dec251f47d938de
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_325.puml
@@ -0,0 +1,63 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Senior Fitness Programs" as Group0 #EDE7F6 {
+    database "Endurance Training" as nest0_0 #F1F8FF
+    artifact "Wearable Fitness Devices" as nest0_1 #FDFCEB
+    artifact "Functional Fitness Training" as nest0_2 #E8F5E9
+    folder "Recovery Strategies" as nest0_3 #FDFCEB
+}
+rectangle "Corporate Wellness Programs" as Group1 #E3F2FD {
+    node "Balance and Coordination" as nest1_0 #F1F8FF
+    component "Running Coaching" as nest1_1 #F1F8FF
+}
+folder "Personalized Exercise Prescriptions" as N0 #FDFCEB
+folder "Sports_Specific Training" as N1 #FDFCEB
+rectangle "Rehabilitation Exercises" as N2 #E8F5E9
+rectangle "Personal Training" as N3 #E8F5E9
+folder "Motivation and Goal Setting" as N4 #E8F5E9
+node "Fitness Equipment Maintenance" as N5 #FDFCEB
+usecase "Pilates Instruction" as N6 #E8F5E9
+cloud "Flexibility Training" as N7 #E8F5E9
+node "Workout Planning" as N8 #E8F5E9
+circle " " as S1 #F1F8FF
+circle " " as S2 #F1F8FF
+circle " " as M0 #E8F5E9
+circle " " as M1 #F1F8FF
+circle " " as M2 #F1F8FF
+N0 ..[#000000]..> N1
+N1 -[#EAEFA5]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#66BB6A]..> N4
+N4 ..[#42A5F5]..> N5
+N5 -[#42A5F5]-> N6
+N6 -[#EAEFA5]-> N7
+N7 ..[#66BB6A]..> N8
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#66BB6A]..> nest0_2
+nest0_2 -[#EAEFA5]-> nest0_3
+N3 -[#000000]-> nest0_0
+nest0_3 -[#EAEFA5]-> N8
+nest1_0 ..[#EAEFA5]..> nest1_1
+N7 ..[#EAEFA5]..> nest1_0
+nest1_1 ..[#42A5F5]..> N8
+N4 -[#EAEFA5]-> S1
+S1 ..[#EAEFA5]..> N8
+S1 ..[#66BB6A]..> N7
+N2 -[#66BB6A]-> S2
+S2 -[#EAEFA5]-> N7
+S2 -[#000000]-> N8
+N0 ..[#EAEFA5]..> M0
+N1 ..[#000000]..> M0
+M0 ..[#EAEFA5]..> N4
+N4 -[#000000]-> M1
+N1 -[#EAEFA5]-> M1
+N2 -[#42A5F5]-> M1
+N3 ..[#000000]..> M1
+M1 ..[#42A5F5]..> N7
+N0 -[#66BB6A]-> M2
+N3 ..[#66BB6A]..> M2 : coaches
+N1 ..[#EAEFA5]..> M2
+M2 -[#000000]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_325.txt b/test/plantuml/scanned_hard/plantuml_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4aab08d9f2c9938a2bc75dafd5b39e34b0b4fa9a
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_325.txt
@@ -0,0 +1,33 @@
+<Balance and Coordination, connectedTo, Running Coaching>
+<Balance and Coordination, partOf, Corporate Wellness Programs>
+<Endurance Training, connectedTo, Wearable Fitness Devices>
+<Endurance Training, partOf, Senior Fitness Programs>
+<Fitness Equipment Maintenance, connectedTo, Pilates Instruction>
+<Flexibility Training, connectedTo, Balance and Coordination>
+<Flexibility Training, connectedTo, Workout Planning>
+<Functional Fitness Training, connectedTo, Recovery Strategies>
+<Functional Fitness Training, partOf, Senior Fitness Programs>
+<Motivation and Goal Setting, connectedTo, Fitness Equipment Maintenance>
+<Motivation and Goal Setting, connectedTo, Flexibility Training>
+<Motivation and Goal Setting, connectedTo, Workout Planning>
+<Personal Training, coaches, Fitness Equipment Maintenance>
+<Personal Training, connectedTo, Endurance Training>
+<Personal Training, connectedTo, Flexibility Training>
+<Personal Training, connectedTo, Motivation and Goal Setting>
+<Personalized Exercise Prescriptions, connectedTo, Fitness Equipment Maintenance>
+<Personalized Exercise Prescriptions, connectedTo, Motivation and Goal Setting>
+<Personalized Exercise Prescriptions, connectedTo, Sports_Specific Training>
+<Pilates Instruction, connectedTo, Flexibility Training>
+<Recovery Strategies, connectedTo, Workout Planning>
+<Recovery Strategies, partOf, Senior Fitness Programs>
+<Rehabilitation Exercises, connectedTo, Flexibility Training>
+<Rehabilitation Exercises, connectedTo, Personal Training>
+<Rehabilitation Exercises, connectedTo, Workout Planning>
+<Running Coaching, connectedTo, Workout Planning>
+<Running Coaching, partOf, Corporate Wellness Programs>
+<Sports_Specific Training, connectedTo, Fitness Equipment Maintenance>
+<Sports_Specific Training, connectedTo, Flexibility Training>
+<Sports_Specific Training, connectedTo, Motivation and Goal Setting>
+<Sports_Specific Training, connectedTo, Rehabilitation Exercises>
+<Wearable Fitness Devices, connectedTo, Functional Fitness Training>
+<Wearable Fitness Devices, partOf, Senior Fitness Programs>
diff --git a/test/plantuml/scanned_hard/plantuml_334.puml b/test/plantuml/scanned_hard/plantuml_334.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3d258a684cadafbb644df14f6f741c13eb007b2e
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_334.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Secure Data Transmission" as Group0 #FBE9E7 {
+    folder "Election Official Training" as nest0_0 #FFF3E0
+    component "Touchscreen Voting Machines" as nest0_1 #F9FBE7
+}
+rectangle "Cryptographic Security" as Group1 #F1F8E9 {
+    node "Threat Modeling" as nest1_0 #FFF3E0
+    usecase "Voting Machine Design" as nest1_1 #D1C4E9
+    usecase "Optical Scan Systems" as nest1_2 #F9FBE7
+    artifact "Direct Recording Electronic Systems" as nest1_3 #FFF3E0
+}
+folder "Undue Influence Prevention" as N0 #F9FBE7
+folder "Zero_Knowledge Proofs for Privacy" as N1 #FFF3E0
+database "Anonymous Credential Systems" as N2 #D1C4E9
+folder "Risk Management for Elections" as N3 #F9FBE7
+cloud "Ballot Creation" as N4 #FFF3E0
+cloud "Blockchain for Voting" as N5 #D1C4E9
+artifact "Auditability" as N6 #D1C4E9
+usecase "Hardware Tamper Detection" as N7 #F9FBE7
+folder "Voter Education Programs" as N8 #D1C4E9
+component "Voter Authentication" as N9 #D1C4E9
+component "System Certification" as N10 #D1C4E9
+frame "Accessibility Features" as N11 #D1C4E9
+artifact "Biometric Voter ID" as N12 #D1C4E9
+rectangle "Legal Framework Compliance" as N13 #FFF3E0
+cloud "Software Integrity Checks" as N14 #FFF3E0
+circle " " as S0 #F9FBE7
+circle " " as S1 #FFF3E0
+circle " " as S2 #FFF3E0
+circle " " as M0 #F9FBE7
+circle " " as M1 #FFF3E0
+N0 ..[#7E57C2]..> N1 : regulates
+N1 ..[#7E57C2]..> N2
+N2 -[#7E57C2]-> N3
+N3 -[#7E57C2]-> N4
+N4 -[#C0CA33]-> N5
+N5 ..[#C0CA33]..> N6
+N6 -[#000000]-> N7
+N7 -[#C0CA33]-> N8
+N8 ..[#C0CA33]..> N9
+N9 ..[#FFA726]..> N10
+N10 -[#FFA726]-> N11
+N11 ..[#C0CA33]..> N12 : ensures
+N12 ..[#7E57C2]..> N13
+N13 ..[#7E57C2]..> N14
+nest0_0 -[#FFA726]-> nest0_1
+N11 ..[#FFA726]..> nest0_0
+nest0_1 -[#000000]-> N6
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#FFA726]-> nest1_2
+nest1_2 -[#7E57C2]-> nest1_3
+N13 -[#7E57C2]-> nest1_0
+nest1_3 -[#C0CA33]-> N5
+N1 -[#C0CA33]-> S0
+S0 ..[#7E57C2]..> N8
+S0 ..[#7E57C2]..> N10 : tests
+N11 -[#C0CA33]-> S1
+S1 -[#FFA726]-> N13
+S1 ..[#FFA726]..> N14
+N1 ..[#7E57C2]..> S2
+S2 -[#FFA726]-> N3
+S2 ..[#C0CA33]..> N13
+N5 ..[#C0CA33]..> M0
+N4 ..[#FFA726]..> M0
+M0 -[#000000]-> N10
+N1 -[#000000]-> M1
+N0 -[#FFA726]-> M1
+M1 -[#7E57C2]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_334.txt b/test/plantuml/scanned_hard/plantuml_334.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a9c3842b25951919e1e6166816134d7dc565185
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_334.txt
@@ -0,0 +1,38 @@
+<Accessibility Features, connectedTo, Election Official Training>
+<Accessibility Features, connectedTo, Legal Framework Compliance>
+<Accessibility Features, connectedTo, Software Integrity Checks>
+<Accessibility Features, ensures, Biometric Voter ID>
+<Anonymous Credential Systems, connectedTo, Risk Management for Elections>
+<Auditability, connectedTo, Hardware Tamper Detection>
+<Ballot Creation, connectedTo, Blockchain for Voting>
+<Ballot Creation, connectedTo, System Certification>
+<Biometric Voter ID, connectedTo, Legal Framework Compliance>
+<Blockchain for Voting, connectedTo, Auditability>
+<Blockchain for Voting, connectedTo, System Certification>
+<Direct Recording Electronic Systems, connectedTo, Blockchain for Voting>
+<Direct Recording Electronic Systems, partOf, Cryptographic Security>
+<Election Official Training, connectedTo, Touchscreen Voting Machines>
+<Election Official Training, partOf, Secure Data Transmission>
+<Hardware Tamper Detection, connectedTo, Voter Education Programs>
+<Legal Framework Compliance, connectedTo, Software Integrity Checks>
+<Legal Framework Compliance, connectedTo, Threat Modeling>
+<Optical Scan Systems, connectedTo, Direct Recording Electronic Systems>
+<Optical Scan Systems, partOf, Cryptographic Security>
+<Risk Management for Elections, connectedTo, Ballot Creation>
+<System Certification, connectedTo, Accessibility Features>
+<Threat Modeling, connectedTo, Voting Machine Design>
+<Threat Modeling, partOf, Cryptographic Security>
+<Touchscreen Voting Machines, connectedTo, Auditability>
+<Touchscreen Voting Machines, partOf, Secure Data Transmission>
+<Undue Influence Prevention, connectedTo, Blockchain for Voting>
+<Undue Influence Prevention, regulates, Zero_Knowledge Proofs for Privacy>
+<Voter Authentication, connectedTo, System Certification>
+<Voter Education Programs, connectedTo, Voter Authentication>
+<Voting Machine Design, connectedTo, Optical Scan Systems>
+<Voting Machine Design, partOf, Cryptographic Security>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Anonymous Credential Systems>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Blockchain for Voting>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Legal Framework Compliance>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Risk Management for Elections>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Voter Education Programs>
+<Zero_Knowledge Proofs for Privacy, tests, System Certification>
diff --git a/test/plantuml/scanned_hard/plantuml_34.puml b/test/plantuml/scanned_hard/plantuml_34.puml
new file mode 100644
index 0000000000000000000000000000000000000000..34bf1b4d2a662ff1fc0e969d8c0d30e77c895afe
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_34.puml
@@ -0,0 +1,29 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+component "Candidate Assessment Design" as N0 #FFCCBC
+cloud "Candidate Feedback Collection" as N1 #FFECB3
+cloud "Competency_Based Interviewing" as N2 #E1F5FE
+folder "Interview Conducting" as N3 #FFCCBC
+rectangle "Candidate Experience Management" as N4 #FFCCBC
+component "Interview Panel Coordination" as N5 #E1F5FE
+usecase "Negotiation" as N6 #FFECB3
+node "Psychometric Testing" as N7 #E1F5FE
+folder "Offer Extension" as N8 #E1F5FE
+frame "Recruitment Process Outsourcing Management" as N9 #FFECB3
+artifact "Onboarding Handoff" as N10 #FFCCBC
+component "Recruiter Training" as N11 #E1F5FE
+N0 ..[#4FC3F7]..> N1 : declines
+N1 ..[#4FC3F7]..> N2 : protects
+N2 -[#000000]-> N3 : manages
+N3 ..[#FF5722]..> N4
+N4 -[#FFC107]-> N5 : hires
+N5 ..[#000000]..> N6
+N6 -[#FFC107]-> N7 : automates
+N7 -[#FFC107]-> N8 : matches
+N8 ..[#FFC107]..> N9
+N9 ..[#FF5722]..> N10
+N10 ..[#FFC107]..> N11 : selects
+N6 -[#FF5722]-> N3 : verifies
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_346.txt b/test/plantuml/scanned_hard/plantuml_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b0a30cce8f86c580ce2a43ac7044e337f7a2c80
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_346.txt
@@ -0,0 +1,39 @@
+<Acoustic Oceanography, connectedTo, Ocean Renewable Energy>
+<Biological Oceanography, connectedTo, Buoy Deployment>
+<Biological Oceanography, partOf, Marine Biodiversity Assessment>
+<Buoy Deployment, connectedTo, Climate Change Impact Study>
+<Chemical Oceanography, connectedTo, Ocean Drilling Programs>
+<Chemical Oceanography, partOf, Marine Biodiversity Assessment>
+<Data Visualization, connectedTo, Chemical Oceanography>
+<Data Visualization, partOf, Marine Biodiversity Assessment>
+<Deep_Sea Exploration, connectedTo, Acoustic Oceanography>
+<Fisheries Management, connectedTo, Data Visualization>
+<Fisheries Management, connectedTo, Ocean Data Archiving>
+<Fisheries Management, connectedTo, Tsunami Prediction>
+<Marine Protected Area Planning, connectedTo, Deep_Sea Exploration>
+<Marine Protected Area Planning, connectedTo, Ocean Data Archiving>
+<Marine Protected Area Planning, connectedTo, Ocean Renewable Energy>
+<Marine Protected Area Planning, connectedTo, Sea Level Monitoring>
+<Marine Protected Area Planning, connectedTo, Tsunami Prediction>
+<Marine Protected Area Planning, salinity, Buoy Deployment>
+<Ocean Acidification Research, connectedTo, Buoy Deployment>
+<Ocean Acidification Research, connectedTo, Climate Change Impact Study>
+<Ocean Acidification Research, connectedTo, Satellite Oceanography>
+<Ocean Acidification Research, predicts, Buoy Deployment>
+<Ocean Carbon Cycle, connectedTo, Deep_Sea Exploration>
+<Ocean Carbon Cycle, partOf, Coastal Erosion Research>
+<Ocean Current Measurement, connectedTo, Ocean Carbon Cycle>
+<Ocean Current Measurement, partOf, Coastal Erosion Research>
+<Ocean Data Archiving, connectedTo, Tsunami Prediction>
+<Ocean Drilling Programs, connectedTo, Biological Oceanography>
+<Ocean Drilling Programs, partOf, Marine Biodiversity Assessment>
+<Ocean Renewable Energy, connectedTo, Ocean Acidification Research>
+<Satellite Oceanography, connectedTo, Buoy Deployment>
+<Sea Level Monitoring, collects_data, Ocean Current Measurement>
+<Sea Level Monitoring, connectedTo, Fisheries Management>
+<Sea Level Monitoring, connectedTo, Tsunami Prediction>
+<Sea Level Monitoring, maps, Ocean Data Archiving>
+<Sediment Analysis, connectedTo, Buoy Deployment>
+<Sediment Analysis, connectedTo, Deep_Sea Exploration>
+<Tsunami Prediction, connectedTo, Buoy Deployment>
+<Tsunami Prediction, connectedTo, Sediment Analysis>
diff --git a/test/plantuml/scanned_hard/plantuml_347.txt b/test/plantuml/scanned_hard/plantuml_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a60b20728c8380f27980b7d722e9840f3303e41b
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_347.txt
@@ -0,0 +1,41 @@
+<Aftershock Analysis, connectedTo, Building Code Development>
+<Aftershock Analysis, connectedTo, Ground Motion Prediction>
+<Building Code Development, connectedTo, Glacial Seismology>
+<Building Code Development, connectedTo, Tsunami Warning Systems>
+<Computational Seismology, connectedTo, Seismic Data Processing>
+<Data Archiving and Distribution, connectedTo, Seismic Network Operations>
+<Data Archiving and Distribution, partOf, Emergency Preparedness for Earthquakes>
+<Deep Earth Seismology, connectedTo, Tectonic Plate Movement Monitoring>
+<Earth Structure Imaging, connectedTo, Tsunami Warning Systems>
+<Glacial Seismology, connectedTo, Liquefaction Potential Assessment>
+<Ground Motion Prediction, connectedTo, Earth Structure Imaging>
+<Ground Motion Prediction, connectedTo, Liquefaction Potential Assessment>
+<Ground Motion Prediction, connectedTo, Seismic Inversion>
+<Ground Motion Prediction, connectedTo, Volcanic Seismology>
+<Liquefaction Potential Assessment, connectedTo, Earth Structure Imaging>
+<Nuclear Test Monitoring, connectedTo, Building Code Development>
+<Nuclear Test Monitoring, connectedTo, Seismic Array Deployment>
+<Planetary Seismology, connectedTo, Fault Line Mapping>
+<Planetary Seismology, partOf, Earthquake Detection>
+<Seismic Array Deployment, connectedTo, Aftershock Analysis>
+<Seismic Data Processing, connectedTo, Structural Response to Earthquakes>
+<Seismic Data Processing, connectedTo, Tsunami Warning Systems>
+<Seismic Instrumentation Maintenance, notifies, Planetary Seismology>
+<Seismic Instrumentation Maintenance, partOf, Earthquake Detection>
+<Seismic Inversion, data_transmits, Data Archiving and Distribution>
+<Seismic Inversion, partOf, Emergency Preparedness for Earthquakes>
+<Seismic Network Operations, connectedTo, Seismic Risk Mitigation>
+<Seismic Network Operations, partOf, Emergency Preparedness for Earthquakes>
+<Seismic Risk Mitigation, connectedTo, Ground Motion Prediction>
+<Seismic Risk Mitigation, partOf, Emergency Preparedness for Earthquakes>
+<Seismic Tomography, partOf, Earthquake Detection>
+<Seismic Tomography, receives, Tectonic Stress Measurement>
+<Structural Response to Earthquakes, locates, Building Code Development>
+<Tectonic Plate Movement Monitoring, connectedTo, Nuclear Test Monitoring>
+<Tectonic Plate Movement Monitoring, connectedTo, Seismic Tomography>
+<Tectonic Plate Movement Monitoring, connectedTo, Tsunami Warning Systems>
+<Tectonic Stress Measurement, connectedTo, Seismic Instrumentation Maintenance>
+<Tectonic Stress Measurement, partOf, Earthquake Detection>
+<Tsunami Warning Systems, connectedTo, Fault Line Mapping>
+<Volcanic Seismology, connectedTo, Building Code Development>
+<Volcanic Seismology, connectedTo, Computational Seismology>
diff --git a/test/plantuml/scanned_hard/plantuml_35.txt b/test/plantuml/scanned_hard/plantuml_35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b3374690e6799aeeaf3914736cb51047f669f656
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_35.txt
@@ -0,0 +1,8 @@
+<Accessibility Support, improves, FAQ Management>
+<Accessibility Support, personals, Feedback Collection>
+<FAQ Management, consults, Phone Support>
+<Feedback Collection, surveys, Refund Processing>
+<First Contact Resolution Optimization, assists, Accessibility Support>
+<Phone Support, connectedTo, Feedback Collection>
+<Service Recovery, connectedTo, Training Customer Service Agents>
+<Training Customer Service Agents, connectedTo, First Contact Resolution Optimization>
diff --git a/test/plantuml/scanned_hard/plantuml_350.txt b/test/plantuml/scanned_hard/plantuml_350.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e324e35d3a64ceeec98a1aef5af42a911d317df
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_350.txt
@@ -0,0 +1,30 @@
+<Concept Extraction, connectedTo, Information Extraction>
+<Corpus Creation, connectedTo, Concept Extraction>
+<Corpus Creation, partOf, Topic Modeling>
+<Data Cleaning for Text, connectedTo, Knowledge Graph Construction>
+<Data Cleaning for Text, connectedTo, Text Classification>
+<Information Extraction, connectedTo, Spam Detection>
+<Keyword Extraction, connectedTo, Tokenization>
+<Keyword Extraction, partOf, Customer Feedback Analysis>
+<Knowledge Graph Construction, connectedTo, Keyword Extraction>
+<Knowledge Graph Construction, partOf, Customer Feedback Analysis>
+<Lemmatization or Stemming, categorizes, Spam Detection>
+<Lemmatization or Stemming, connectedTo, Data Cleaning for Text>
+<Lemmatization or Stemming, connectedTo, Information Extraction>
+<Lemmatization or Stemming, connectedTo, Spam Detection>
+<Lemmatization or Stemming, connectedTo, Vector Space Models>
+<Named Entity Recognition, connectedTo, Corpus Creation>
+<Named Entity Recognition, partOf, Topic Modeling>
+<Natural Language Processing, connectedTo, Lemmatization or Stemming>
+<Natural Language Processing, partOf, Customer Feedback Analysis>
+<Part_of_Speech Tagging, connectedTo, Named Entity Recognition>
+<Part_of_Speech Tagging, evaluates, Data Cleaning for Text>
+<Spam Detection, clusters, Text Similarity Analysis>
+<Text Classification, connectedTo, Information Extraction>
+<Text Classification, disambiguates, Spam Detection>
+<Text Classification, protects, Concept Extraction>
+<Text Visualization, connectedTo, Lemmatization or Stemming>
+<Tokenization, connectedTo, Natural Language Processing>
+<Tokenization, partOf, Customer Feedback Analysis>
+<Vector Space Models, connectedTo, Named Entity Recognition>
+<Vector Space Models, connectedTo, Part_of_Speech Tagging>
diff --git a/test/plantuml/scanned_hard/plantuml_354.puml b/test/plantuml/scanned_hard/plantuml_354.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0fe459ba05ab54fabfdbdc64cc0ebcd1eda51bfc
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_354.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Supply Chain Management" as Group0 #ECEFF1 {
+    database "User Access Management" as nest0_0 #BBDEFB
+    folder "Troubleshooting and Support" as nest0_1 #FCE4EC
+}
+rectangle "Procurement Management" as Group1 #FFF3E0 {
+    folder "ERP System Selection" as nest1_0 #BBDEFB
+    folder "Vendor Management" as nest1_1 #FCE4EC
+    folder "Master Data Management" as nest1_2 #BBDEFB
+}
+artifact "System Upgrade" as N0 #FCE4EC
+node "On_Premise ERP Solutions" as N1 #FFEBEB
+node "Integration with Other Systems" as N2 #FFEBEB
+folder "User Training" as N3 #FFEBEB
+node "Testing ERP Modules" as N4 #FFEBEB
+usecase "Performance Optimization" as N5 #FFEBEB
+rectangle "Customization" as N6 #FFEBEB
+frame "Manufacturing Operations" as N7 #BBDEFB
+folder "Implementation Roadmap Development" as N8 #BBDEFB
+component "Sales and Distribution" as N9 #FFEBEB
+frame "System Configuration" as N10 #FCE4EC
+cloud "ERP Consulting" as N11 #FCE4EC
+artifact "Mobile ERP Access" as N12 #FFEBEB
+rectangle "Reporting and Analytics" as N13 #FCE4EC
+database "Inventory Management" as N14 #FCE4EC
+rectangle "Human Capital Management" as N15 #FFEBEB
+frame "Hybrid ERP Models" as N16 #FFEBEB
+node "AI or ML in ERP" as N17 #FCE4EC
+circle " " as S0 #BBDEFB
+circle " " as S1 #FCE4EC
+circle " " as M0 #FCE4EC
+circle " " as M1 #BBDEFB
+N0 ..[#2196F3]..> N1
+N1 -[#FFC2C2]-> N2
+N2 ..[#2196F3]..> N3
+N3 ..[#FFC2C2]..> N4
+N4 -[#FFC2C2]-> N5
+N5 ..[#2196F3]..> N6
+N6 ..[#E91E63]..> N7
+N7 ..[#000000]..> N8
+N8 -[#FFC2C2]-> N9
+N9 -[#E91E63]-> N10
+N10 -[#FFC2C2]-> N11 : manages
+N11 ..[#E91E63]..> N12
+N12 ..[#FFC2C2]..> N13
+N13 -[#FFC2C2]-> N14 : customer_relations_manages
+N14 -[#FFC2C2]-> N15
+N15 -[#FFC2C2]-> N16
+N16 -[#2196F3]-> N17
+nest0_0 ..[#2196F3]..> nest0_1
+N7 -[#000000]-> nest0_0
+nest0_1 -[#FFC2C2]-> N16 : reports
+nest1_0 ..[#FFC2C2]..> nest1_1
+nest1_1 -[#FFC2C2]-> nest1_2
+N11 -[#E91E63]-> nest1_0
+nest1_2 ..[#2196F3]..> N2
+N6 ..[#FFC2C2]..> S0
+S0 ..[#FFC2C2]..> N12
+S0 -[#E91E63]-> N9 : complies
+N8 ..[#2196F3]..> S1
+S1 ..[#000000]..> N11
+S1 ..[#FFC2C2]..> N14
+S1 ..[#FFC2C2]..> N10
+N7 -[#E91E63]-> M0
+N11 -[#2196F3]-> M0
+N4 -[#FFC2C2]-> M0
+M0 -[#E91E63]-> N14
+N5 ..[#E91E63]..> M1
+N8 ..[#2196F3]..> M1
+M1 ..[#000000]..> N16
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_358.puml b/test/plantuml/scanned_hard/plantuml_358.puml
new file mode 100644
index 0000000000000000000000000000000000000000..007e31c26de0f93570974fce6ece5a00ef879b15
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_358.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Underwater Cultural Heritage" as Group0 #E3F2FD {
+    usecase "Repatriation of Artifacts" as nest0_0 #EFE6FF
+    database "World Heritage Site Management" as nest0_1 #E0F7FA
+    component "Intangible Cultural Heritage Preservation" as nest0_2 #EFE6FF
+}
+rectangle "Cultural Tourism Development" as Group1 #FFF3E0 {
+    node "Exhibition Curation" as nest1_0 #EFE6FF
+    rectangle "Traditional Knowledge Documentation" as nest1_1 #EFE6FF
+}
+frame "GIS Mapping for Heritage Sites" as N0 #C9F0F0
+node "Oral History Collection" as N1 #E0F7FA
+folder "Remote Sensing for Heritage" as N2 #EFE6FF
+folder "Adaptive Reuse of Heritage Buildings" as N3 #EFE6FF
+node "Digital Storytelling" as N4 #E0F7FA
+artifact "Indigenous Cultural Heritage Rights" as N5 #EFE6FF
+artifact "Risk Assessment for Heritage" as N6 #EFE6FF
+artifact "Museum Collection Management" as N7 #EFE6FF
+folder "Heritage Impact Assessment" as N8 #EFE6FF
+artifact "Digital Documentation" as N9 #E0F7FA
+circle " " as S0 #C9F0F0
+circle " " as S1 #C9F0F0
+circle " " as M0 #EFE6FF
+circle " " as M1 #C9F0F0
+circle " " as M2 #C9F0F0
+N0 ..[#00BCD4]..> N1
+N1 -[#00BCD4]-> N2
+N2 -[#C2B2F0]-> N3
+N3 -[#000000]-> N4
+N4 ..[#000000]..> N5
+N5 -[#000000]-> N6
+N6 -[#00BCD4]-> N7
+N7 ..[#00BCD4]..> N8
+N8 -[#00BCD4]-> N9
+nest0_0 -[#00BCD4]-> nest0_1
+nest0_1 ..[#00BCD4]..> nest0_2
+N6 ..[#00BCD4]..> nest0_0
+nest0_2 -[#00BCD4]-> N5
+nest1_0 -[#00BCD4]-> nest1_1
+N1 -[#C2B2F0]-> nest1_0
+nest1_1 ..[#C2B2F0]..> N2
+N1 -[#000000]-> S0
+S0 -[#00BCD4]-> N6 : interprets
+S0 ..[#00BCD4]..> N9
+N0 ..[#4DD0E1]..> S1
+S1 -[#C2B2F0]-> N6
+S1 -[#00BCD4]-> N8 : audits
+N0 ..[#00BCD4]..> M0
+N4 -[#C2B2F0]-> M0
+N1 ..[#000000]..> M0
+M0 -[#00BCD4]-> N8
+N3 ..[#000000]..> M1
+N6 -[#00BCD4]-> M1
+M1 ..[#000000]..> N9
+N1 -[#00BCD4]-> M2
+N0 ..[#00BCD4]..> M2
+N2 ..[#C2B2F0]..> M2 : funds_raises
+M2 -[#C2B2F0]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_39.txt b/test/plantuml/scanned_hard/plantuml_39.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0dbc91ea318103bdca98e2b067d104d1f0257e6c
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_39.txt
@@ -0,0 +1,11 @@
+<Astronaut Training, connectedTo, Ground Station Operations>
+<Ground Station Operations, discovers, Robotics for Space Exploration>
+<Ground Station Operations, secures, Space Debris Mitigation>
+<Interplanetary Trajectory Calculation, warns, Robotics for Space Exploration>
+<Launch Operations, connectedTo, Interplanetary Trajectory Calculation>
+<Mission Control Center Management, analyzes, Launch Operations>
+<Planetary Science Research, controls, Re_entry Vehicle Design>
+<Re_entry Vehicle Design, connectedTo, Astronaut Training>
+<Robotics for Space Exploration, plans, Space Weather Forecasting>
+<Space Debris Mitigation, connectedTo, Planetary Science Research>
+<Space Weather Forecasting, transmits, Re_entry Vehicle Design>
diff --git a/test/plantuml/scanned_hard/plantuml_40.txt b/test/plantuml/scanned_hard/plantuml_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..261351d449010d203509d2972f92821e55cf62ef
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_40.txt
@@ -0,0 +1,9 @@
+<Climate Modeling, informs, Climate Resilient Agriculture>
+<Climate Policy Analysis, governs, Permafrost Thaw Assessment>
+<Climate Resilient Agriculture, connectedTo, Climate Policy Analysis>
+<Climate Resilient Agriculture, predicts, Public Engagement on Climate>
+<Ecosystem Response Modeling, connectedTo, Ice Sheet Dynamics>
+<Ecosystem Response Modeling, observes, Climate Policy Analysis>
+<Permafrost Thaw Assessment, strategies, Sea Level Rise Projection>
+<Public Engagement on Climate, connectedTo, Ice Sheet Dynamics>
+<Sea Level Rise Projection, connectedTo, Climate Modeling>
diff --git a/test/plantuml/scanned_hard/plantuml_46.puml b/test/plantuml/scanned_hard/plantuml_46.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d53254f2a7a30081fb286492598946ee858d97d1
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_46.puml
@@ -0,0 +1,22 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+cloud "Public Health Vet Services" as N0 #E8EAF6
+component "Toxicology Testing" as N1 #E1F5FE
+rectangle "Genetic Counseling for Animals" as N2 #E8EAF6
+cloud "Animal Welfare Assessment" as N3 #C5CAE9
+folder "Veterinary Pathology" as N4 #E8EAF6
+node "Behavioral Counseling" as N5 #C5CAE9
+rectangle "Allergy Testing" as N6 #E1F5FE
+cloud "Spay or Neuter Procedure" as N7 #E1F5FE
+N0 -[#3F51B5]-> N1
+N1 -[#4FC3F7]-> N2 : prescribes
+N2 -[#3F51B5]-> N3
+N3 -[#000000]-> N4 : consults
+N4 ..[#000000]..> N5
+N5 -[#4FC3F7]-> N6 : discharges
+N6 ..[#3F51B5]..> N7
+N7 ..[#000000]..> N4 : analyzes
+N5 -[#7986CB]-> N7 : examines
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_47.txt b/test/plantuml/scanned_hard/plantuml_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ab50b4c1062763f2af99de00ea0d3653f14ecee
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_47.txt
@@ -0,0 +1,12 @@
+<Behavior Management, connectedTo, Hygiene Practices>
+<Curriculum Planning, connectedTo, Potty Training Assistance>
+<Emergency Evacuation Drills, prepares, Curriculum Planning>
+<Emergency Evacuation Drills, transports, Playground Safety Inspection>
+<Group Activities Coordination, engages, Parent Communication>
+<Hygiene Practices, connectedTo, Emergency Evacuation Drills>
+<Parent Communication, enrolls, Playground Safety Inspection>
+<Playground Safety Inspection, nurtures, Individualized Attention>
+<Potty Training Assistance, connectedTo, Social Skill Development>
+<Social Skill Development, connectedTo, Group Activities Coordination>
+<Staff Training and Certification, certifies, Teacher_Child Ratio Management>
+<Teacher_Child Ratio Management, manages, Behavior Management>
diff --git a/test/plantuml/scanned_hard/plantuml_49.puml b/test/plantuml/scanned_hard/plantuml_49.puml
new file mode 100644
index 0000000000000000000000000000000000000000..454e6702810c239d865a0a4d9af76d20945bb802
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_49.puml
@@ -0,0 +1,21 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+folder "Climate Change Adaptation for Disasters" as N0 #FFFDE7
+folder "Vulnerability Analysis" as N1 #FFFDE7
+folder "Emergency Response" as N2 #FFFDE7
+folder "International Aid Coordination" as N3 #D1C4E9
+cloud "Logistics and Supply Chain" as N4 #BBDEFB
+cloud "Satellite Imagery Analysis" as N5 #D1C4E9
+component "Geographic Information Systems for Disasters" as N6 #D1C4E9
+artifact "Search and Rescue Operations" as N7 #BBDEFB
+N0 ..[#000000]..> N1 : responds
+N1 -[#673AB7]-> N2 : locates
+N2 ..[#FFF176]..> N3
+N3 -[#000000]-> N4
+N4 ..[#FFF176]..> N5 : alerts
+N5 ..[#000000]..> N6
+N6 ..[#2196F3]..> N7
+N3 ..[#FFF176]..> N7 : distributes
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_53.puml b/test/plantuml/scanned_hard/plantuml_53.puml
new file mode 100644
index 0000000000000000000000000000000000000000..19e361c7a3a0d86e5d0a9df3607be4ba59903fd9
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_53.puml
@@ -0,0 +1,21 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+frame "Quality Control" as N0 #EDF5F3
+cloud "Direct Metal Laser Sintering" as N1 #D3D7EB
+node "Fused Deposition Modeling" as N2 #D3D7EB
+usecase "Additive Manufacturing" as N3 #E0F2F1
+cloud "Consumer Product Creation" as N4 #D3D7EB
+folder "Intellectual Property Protection for Designs" as N5 #EDF5F3
+folder "Distributed Manufacturing" as N6 #E0F2F1
+usecase "Printer Setup" as N7 #E0F2F1
+N0 -[#4DB6AC]-> N1 : researches
+N1 ..[#A1D7CD]..> N2
+N2 -[#A1D7CD]-> N3 : engineers
+N3 ..[#8C9EFF]..> N4 : licenses
+N4 -[#8C9EFF]-> N5
+N5 ..[#4DB6AC]..> N6 : controls
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_55.puml b/test/plantuml/scanned_hard/plantuml_55.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1c0ba045f4b7cf3a070422e823af305a3cfa517e
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_55.puml
@@ -0,0 +1,21 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Quantum Computing Benchmarking" as N0 #EDE7F6
+folder "Quantum Simulation" as N1 #FFE0B2
+folder "Post_Quantum Cryptography" as N2 #FFE0B2
+usecase "Quantum Computing for AI" as N3 #F0F4C3
+database "Trapped Ion Qubits" as N4 #FFE0B2
+artifact "Quantum Advantage Demonstration" as N5 #F0F4C3
+artifact "Quantum Software Development Kit" as N6 #F0F4C3
+rectangle "Quantum Cryptography" as N7 #FFE0B2
+N0 -[#AED581]-> N1 : secures
+N1 -[#FF9800]-> N2
+N2 -[#FF9800]-> N3
+N3 -[#AED581]-> N4 : programs
+N4 -[#FF9800]-> N5
+N5 ..[#7E57C2]..> N6
+N6 ..[#7E57C2]..> N7 : optimizes
+N6 ..[#AED581]..> N3 : controls
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_78.puml b/test/plantuml/scanned_hard/plantuml_78.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8c2aad53d89ee550d3c6c2f08994bf7c481277ec
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_78.puml
@@ -0,0 +1,28 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+component "Password Management" as N0 #EBEBEB
+folder "Data Encryption for Identity" as N1 #EBEBEB
+folder "Biometric Authentication" as N2 #D3D7EB
+node "Privileged Access Management" as N3 #EBEBEB
+database "Multi_Factor Authentication" as N4 #EBEBEB
+rectangle "Single Sign_On" as N5 #E3F2FD
+cloud "Digital Signatures" as N6 #D3D7EB
+usecase "Digital Certificates" as N7 #D3D7EB
+node "Privacy Management" as N8 #EBEBEB
+usecase "Social Login Integration" as N9 #EBEBEB
+cloud "Risk_Based Authentication" as N10 #EBEBEB
+N0 ..[#64B5F6]..> N1 : implements SSO
+N1 ..[#E0E0E0]..> N2
+N2 ..[#8C9EFF]..> N3
+N3 -[#E0E0E0]-> N4 : enables MFA
+N4 -[#64B5F6]-> N5 : governs access
+N5 ..[#000000]..> N6 : creates portable identities
+N6 -[#64B5F6]-> N7 : stores attributes
+N7 ..[#64B5F6]..> N8
+N8 ..[#8C9EFF]..> N9 : uses biometrics
+N9 ..[#64B5F6]..> N10 : performs KYCs
+N2 ..[#000000]..> N0
+N9 ..[#8C9EFF]..> N5 : detects fraud
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_79.puml b/test/plantuml/scanned_hard/plantuml_79.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9ada7eda44701e28ac572b191c806df546e1f7d4
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_79.puml
@@ -0,0 +1,27 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+folder "Micro_credential Programs" as N0 #FFF3E0
+folder "Language Learning Platforms" as N1 #EFE6FF
+artifact "Bootcamp Development" as N2 #EFE6FF
+frame "Collaborative Projects" as N3 #EFE6FF
+artifact "Peer_to_Peer Learning" as N4 #EFE6FF
+folder "Synchronous Learning" as N5 #FFFCE6
+cloud "Accessibility Features" as N6 #EFE6FF
+artifact "Certification Issuance" as N7 #EFE6FF
+folder "Curriculum Development" as N8 #FFFCE6
+cloud "Adaptive Learning Technologies" as N9 #EFE6FF
+usecase "Parent or Guardian Communication" as N10 #FFFCE6
+N0 ..[#000000]..> N1 : simulates labs
+N1 ..[#000000]..> N2
+N2 -[#FFF9AE]-> N3 : tracks progress
+N3 ..[#FFB74D]..> N4 : develops educational apps
+N4 ..[#FFB74D]..> N5 : provides digital textbooks
+N5 ..[#000000]..> N6
+N6 ..[#C2B2F0]..> N7 : manages hardware
+N7 ..[#C2B2F0]..> N8 : offers online tutoring
+N8 -[#C2B2F0]-> N9
+N9 -[#FFB74D]-> N10 : manages enrollments
+N6 -[#FFF9AE]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_81.puml b/test/plantuml/scanned_hard/plantuml_81.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ebd0c64b2ce3bd0d5255f8a2e699d20ddf9dff2c
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_81.puml
@@ -0,0 +1,23 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+folder "Science Concept Review" as N0 #B2EBF2
+node "Certification Exam Prep" as N1 #B2EBF2
+artifact "Graduate School Exam Prep" as N2 #C8E6C9
+folder "Study Environment Optimization" as N3 #E8F0FF
+cloud "Flashcard Creation" as N4 #B2EBF2
+usecase "Practice Test Creation" as N5 #E8F0FF
+component "AI_Powered Tutoring" as N6 #B2EBF2
+artifact "Reading Comprehension Drills" as N7 #E8F0FF
+artifact "Online Course Delivery" as N8 #B2EBF2
+N0 -[#388E3C]-> N1
+N1 -[#A2D0FF]-> N2 : enrolls
+N2 -[#000000]-> N3
+N3 ..[#000000]..> N4 : remediates
+N4 -[#000000]-> N5
+N5 ..[#A2D0FF]..> N6
+N6 -[#00BCD4]-> N7 : facilitates
+N7 -[#000000]-> N8 : communicates
+N6 ..[#388E3C]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_87.puml b/test/plantuml/scanned_hard/plantuml_87.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ce803e288f6c84b854fe8a0137a4e1a2fe8b6eca
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_87.puml
@@ -0,0 +1,22 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+component "Construction Documentation" as N0 #C2E8E6
+database "Feng Shui Consultation" as N1 #FFE88D
+folder "Installation Supervision" as N2 #FFE88D
+component "Contractor Coordination" as N3 #C2E8E6
+component "Sustainable Design Practices" as N4 #FFE88D
+cloud "Flooring Specification" as N5 #C2E8E6
+rectangle "Textile and Fabric Selection" as N6 #FFE88D
+folder "Kitchen Design" as N7 #C2E8E6
+N0 ..[#000000]..> N1
+N1 -[#CFCFCF]-> N2 : models
+N2 -[#000000]-> N3
+N3 -[#000000]-> N4
+N4 ..[#FFDA4E]..> N5 : customizes
+N5 -[#61CAC3]-> N6 : sketches
+N6 -[#000000]-> N7
+N1 ..[#CFCFCF]..> N0
+N4 ..[#FFDA4E]..> N7 : spaces
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_90.txt b/test/plantuml/scanned_hard/plantuml_90.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df8dd81dce1d291e1b495497903ab7a63ec022c4
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_90.txt
@@ -0,0 +1,8 @@
+<Charging Infrastructure, monitors, Regulatory Compliance>
+<Charging Infrastructure, recognizes, Vehicle Diagnostics>
+<Object Detection and Classification, connectedTo, Perception System>
+<Parking Assistance Systems, connectedTo, Remote Operation Capability>
+<Perception System, parks, Regulatory Compliance>
+<Regulatory Compliance, connectedTo, Localization and Mapping>
+<Remote Operation Capability, localizes, Charging Infrastructure>
+<Vehicle Diagnostics, informs, Object Detection and Classification>
diff --git a/test/plantuml/scanned_hard/plantuml_94.txt b/test/plantuml/scanned_hard/plantuml_94.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f049df40d180ad2f3a300c2346260c92b221f5b
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_94.txt
@@ -0,0 +1,13 @@
+<Accessibility Features, connectedTo, Software Integrity Checks>
+<Accessibility Features, registers, Security Protocols>
+<Biometric Voter ID, connectedTo, Direct Recording Electronic Systems>
+<Biometric Voter ID, decrypts, Software Integrity Checks>
+<Blockchain for Voting, maintains, Software Integrity Checks>
+<Cryptographic Security, connectedTo, Cybersecurity for Voting Systems>
+<Cybersecurity for Voting Systems, connectedTo, Results Aggregation>
+<Direct Recording Electronic Systems, connectedTo, Blockchain for Voting>
+<Results Aggregation, alerts, Voter Registration>
+<Secure Data Transmission, connectedTo, Cryptographic Security>
+<Security Protocols, recovers, Auditability>
+<Software Integrity Checks, educates, Secure Data Transmission>
+<Voter Registration, complies, Accessibility Features>
diff --git a/test/plantuml/scanned_hard/plantuml_95.puml b/test/plantuml/scanned_hard/plantuml_95.puml
new file mode 100644
index 0000000000000000000000000000000000000000..666a4e756adfc642670f8a3efce01bead4bd30bd
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_95.puml
@@ -0,0 +1,30 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+folder "Advocacy Strategy" as N0 #F1F8E9
+component "Option Generation" as N1 #F8FDD3
+rectangle "Comparative Policy Analysis" as N2 #F1F8E9
+folder "Quantitative Analysis" as N3 #F1F8E9
+database "Regulatory Impact Assessment" as N4 #E0F2F1
+rectangle "Policy Simulation Models" as N5 #E0F2F1
+node "Policy Learning" as N6 #F1F8E9
+folder "Cost_Benefit Analysis" as N7 #F8FDD3
+folder "Local Government Policy" as N8 #E0F2F1
+cloud "Monitoring and Evaluation Framework" as N9 #E0F2F1
+folder "Policy Brief Writing" as N10 #F1F8E9
+folder "Program Design" as N11 #E0F2F1
+N0 ..[#4DB6AC]..> N1
+N1 -[#D3EB9F]-> N2 : trains
+N2 ..[#388E3C]..> N3
+N3 -[#388E3C]-> N4 : educates
+N4 ..[#000000]..> N5
+N5 -[#D3EB9F]-> N6
+N6 ..[#D3EB9F]..> N7 : complies
+N7 -[#000000]-> N8 : secures
+N8 ..[#388E3C]..> N9 : simulates
+N9 -[#000000]-> N10 : strategies
+N10 -[#000000]-> N11 : negotiates
+N11 -[#000000]-> N7
+N8 -[#D3EB9F]-> N4 : monitors
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_hard/plantuml_97.txt b/test/plantuml/scanned_hard/plantuml_97.txt
new file mode 100644
index 0000000000000000000000000000000000000000..56aacc9fac068ece2a8b05a974dfe836954e8d71
--- /dev/null
+++ b/test/plantuml/scanned_hard/plantuml_97.txt
@@ -0,0 +1,12 @@
+<Data Migration, connectedTo, Integrated Library Systems>
+<Electronic Resource Management, connectedTo, Library Management Systems>
+<Integrated Library Systems, connectedTo, Discovery Layers>
+<Library Management Systems, catalogs, User Training on Systems>
+<Metadata Creation, indexes, Preservation of Materials>
+<Metadata Creation, notifies, System Upgrades>
+<Patron Services, digitizes, Technical Support for Systems>
+<Preservation of Materials, connectedTo, Data Migration>
+<Resource Sharing Networks, reports, Electronic Resource Management>
+<System Upgrades, connectedTo, Metadata Creation>
+<Technical Support for Systems, protects, System Upgrades>
+<User Training on Systems, connectedTo, Patron Services>
diff --git a/train/graphviz/hard/graphviz_1.png b/train/graphviz/hard/graphviz_1.png
new file mode 100644
index 0000000000000000000000000000000000000000..a51b9162daa898cbd0485e587645d241f70ec8f6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_1.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5c38bbe5cee53d81a17ed5cb043467b729ae2e6d8abaace5b22818efd2dec489
+size 121867
diff --git a/train/graphviz/hard/graphviz_1.txt b/train/graphviz/hard/graphviz_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..442af0b129c9e75770d901930873adcc1bd6004a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_1.txt
@@ -0,0 +1,28 @@
+<AML Screening, connectedTo, Approval Decision>
+<AML Screening, partOf, AML Screening>
+<Approval Decision, connectedTo, Budgeting Analysis>
+<Approval Decision, connectedTo, Interest Calculation>
+<Blockchain Verification, connectedTo, Budgeting Analysis>
+<Blockchain Verification, screens, Approval Decision>
+<Budgeting Analysis, connectedTo, Dispute Resolution>
+<Compliance Review, connectedTo, Underwriting>
+<Compliance Review, partOf, Compliance Review>
+<Credit Scoring, manages, Budgeting Analysis>
+<Dispute Resolution, connectedTo, Fraud Check>
+<Dispute Resolution, connectedTo, Investment Planning>
+<Dispute Resolution, monitors, Market Analysis>
+<Interest Calculation, connectedTo, Treasury Management>
+<Interest Calculation, connectedTo, Wealth Management>
+<Investment Planning, connectedTo, Compliance Review>
+<Investment Planning, connectedTo, Fraud Check>
+<Investment Planning, connectedTo, Market Analysis>
+<Investment Planning, connectedTo, Payment Gateway Integration>
+<Market Analysis, connectedTo, Fraud Check>
+<Payment Gateway Integration, connectedTo, Market Analysis>
+<Securities Trading, connectedTo, Credit Scoring>
+<Treasury Management, connectedTo, AML Screening>
+<Treasury Management, partOf, Treasury Management>
+<Underwriting, connectedTo, Credit Scoring>
+<Underwriting, partOf, Underwriting>
+<Wealth Management, connectedTo, Budgeting Analysis>
+<Wealth Management, connectedTo, Securities Trading>
diff --git a/train/graphviz/hard/graphviz_10.dot b/train/graphviz/hard/graphviz_10.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d5e6aabd766c9ff432e27bdd7aa2b5752247484d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_10.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=BT
+	N0 [label="Telemedicine Consultation" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N1 [label="Medication Dispensing" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N2 [label="Medical History" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N3 [label="Insurance Claim" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N4 [label="Case Review" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N5 [label="Anesthesia Administration" color="#FFDA4E" fillcolor="#FFE88D" shape=oval style=filled]
+	N6 [label="Patient Intake" color="#42A5F5" fillcolor="#F1F8FF" shape=folder style=filled]
+	N7 [label="Wound Care" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N8 [label="Clinical Trial" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N9 [label="Health Screening" color="#FFDA4E" fillcolor="#FFE88D" shape=folder style=filled]
+	N10 [label="Device Implantation" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N11 [label="Physical Examination" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N12 [label="Rehabilitation Therapy" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N13 [label="Dental Check_up" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N14 [label="Treatment Plan" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N15 [label="Nutritional Counseling" color="#42A5F5" fillcolor="#F1F8FF" shape=plaintext style=filled]
+	N16 [label="Patient Education" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label=Biopsy labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Follow_up color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+		nest0_1 [label=Prescription color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+		nest0_2 [label="Patient Transfer" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=operates color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label=Vaccination labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Epidemiological Tracking" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest1_1 [label="Lab Test" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+		nest1_2 [label="Imaging Scan" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=admits color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=prevents color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> nest0_0 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N15 -> nest1_0 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N16 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S0 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N5 -> S1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S2 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	S2 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N15 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> M0 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	M2 -> N3 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_100.dot b/train/graphviz/hard/graphviz_100.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2996e6b5b77c7f253f6dedb7fa79bc69a2825549
--- /dev/null
+++ b/train/graphviz/hard/graphviz_100.dot
@@ -0,0 +1,59 @@
+digraph {
+	rankdir=TD
+	N0 [label="Price Negotiation" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Rental Agreement" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
+	N2 [label="Open House Event" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N3 [label="Property Listing" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N4 [label="Contract Review" color="#FF8A65" fillcolor="#FBE9E7" shape=oval style=filled]
+	N5 [label="Document Signing" color="#6FE1D5" fillcolor="#C9EFEC" shape=Mdiamond style=filled]
+	N6 [label="Commercial Lease Negotiation" color="#FBC02D" fillcolor="#FFFDE7" shape=Mdiamond style=filled]
+	N7 [label="Eviction Process" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N8 [label="Lease Renewal" color="#FF8A65" fillcolor="#FBE9E7" shape=octagon style=filled]
+	N9 [label="Land Acquisition" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	S0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Commission Distribution" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Virtual Tour Creation" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
+		nest0_1 [label="Property Tax Payment" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+		nest0_2 [label="Tenant Screening" color="#FF8A65" fillcolor="#FBE9E7" shape=octagon style=filled]
+		nest0_3 [label="Home Inspection" color="#FBC02D" fillcolor="#FFFDE7" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
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new file mode 100644
index 0000000000000000000000000000000000000000..52ea36d128a6c7c82ddb7a23f490906de1f44e65
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+	N1 -> M0 [label=mediates color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
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+}
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diff --git a/train/graphviz/hard/graphviz_132.txt b/train/graphviz/hard/graphviz_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d2892f16a136e9a67baf1ce14aa38adf4552fc8
--- /dev/null
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+<Budget Allocation, connectedTo, Public Health Initiative>
+<Budget Allocation, partOf, Budget Allocation>
+<Business Licensing, taxes, Compliance Checking>
+<Census Collection, connectedTo, Public Hearing>
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+<Data Publishing, connectedTo, Compliance Checking>
+<Data Publishing, connectedTo, International Relations>
+<Data Publishing, connectedTo, Public Hearing>
+<Driver's License Renewal, connectedTo, Passport Issuance>
+<Education Policy, connectedTo, Compliance Checking>
+<Education Policy, registers, Public Consultation>
+<Election Management, connectedTo, Data Publishing>
+<Election Management, connectedTo, Public Hearing>
+<Infrastructure Planning, connectedTo, Policy Drafting>
+<Infrastructure Planning, inspects, Legal Advisory>
+<Interdepartmental Approval, connectedTo, Social Security Administration>
+<International Relations, connectedTo, Census Collection>
+<International Relations, connectedTo, Public Hearing>
+<International Relations, enacts, Education Policy>
+<International Relations, secures, Public Consultation>
+<Legal Advisory, connectedTo, Driver's License Renewal>
+<Legislation Review, connectedTo, Interdepartmental Approval>
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+<Passport Issuance, licenses, Social Program Review>
+<Policy Drafting, connectedTo, Public Records Request>
+<Policy Drafting, partOf, Policy Drafting>
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+<Public Health Initiative, connectedTo, Whistleblower Protection>
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+<Public Records Request, connectedTo, Election Management>
+<Public Records Request, partOf, Public Records Request>
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+<Social Security Administration, connectedTo, Urban Planning>
+<Social Security Administration, coordinates, Social Program Review>
+<Tax Filing, connectedTo, Compliance Checking>
+<Tax Filing, connectedTo, Election Management>
+<Urban Planning, connectedTo, Business Licensing>
+<Whistleblower Protection, connectedTo, Social Program Review>
+<Whistleblower Protection, partOf, Whistleblower Protection>
diff --git a/train/graphviz/hard/graphviz_133.txt b/train/graphviz/hard/graphviz_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2fb2c8362563f4a630efdf3ec6d6aa2e13547f79
--- /dev/null
+++ b/train/graphviz/hard/graphviz_133.txt
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+<Border Control, connectedTo, Public Works Maintenance>
+<Budget Allocation, connectedTo, Public Health Initiative>
+<Budget Allocation, partOf, Budget Allocation>
+<Business Licensing, connectedTo, Compliance Checking>
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+<Citizen Feedback, connectedTo, Legislation Review>
+<Citizen Feedback, connectedTo, Open Government Data Initiative>
+<Code Enforcement, connectedTo, Legislation Review>
+<Code Enforcement, connectedTo, Veterans Affairs>
+<Compliance Checking, connectedTo, Social Security Administration>
+<Data Publishing, connectedTo, Diplomatic Negotiation>
+<Data Publishing, partOf, Data Publishing>
+<Diplomatic Negotiation, connectedTo, Permit Application>
+<Diplomatic Negotiation, partOf, Diplomatic Negotiation>
+<Driver's License Renewal, connectedTo, Grant Distribution>
+<Election Management, connectedTo, Legislation Review>
+<International Relations, connectedTo, Citizen Feedback>
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+<Legislation Review, connectedTo, Public Sector Procurement>
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+<Permit Application, connectedTo, Election Management>
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+<Urban Planning, connectedTo, Legislation Review>
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diff --git a/train/graphviz/hard/graphviz_136.txt b/train/graphviz/hard/graphviz_136.txt
new file mode 100644
index 0000000000000000000000000000000000000000..99540524f2dc272ba31c6051a17b3d270faf8b48
--- /dev/null
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+<Veterans Affairs, connectedTo, Public Records Request>
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diff --git a/train/graphviz/hard/graphviz_137.dot b/train/graphviz/hard/graphviz_137.dot
new file mode 100644
index 0000000000000000000000000000000000000000..949e11eb029fdc67b48a0e6c679e1fafbcf8232a
--- /dev/null
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+digraph {
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+}
diff --git a/train/graphviz/hard/graphviz_137.txt b/train/graphviz/hard/graphviz_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5083eeaa2ad5b799fa6fe1f60035bad77d294293
--- /dev/null
+++ b/train/graphviz/hard/graphviz_137.txt
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+<Discount Application, connectedTo, Promotion Planning>
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+<Fitting Room Management, prices, Customer Engagement>
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diff --git a/train/graphviz/hard/graphviz_138.dot b/train/graphviz/hard/graphviz_138.dot
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diff --git a/train/graphviz/hard/graphviz_155.dot b/train/graphviz/hard/graphviz_155.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6991b3d46689e317adcd1882957e9abb69ddffcc
--- /dev/null
+++ b/train/graphviz/hard/graphviz_155.dot
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diff --git a/train/graphviz/hard/graphviz_163.txt b/train/graphviz/hard/graphviz_163.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4c85147a1d760858a19cdea317a88ef1aa874f45
--- /dev/null
+++ b/train/graphviz/hard/graphviz_163.txt
@@ -0,0 +1,35 @@
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+<Agent Training, connectedTo, Subrogation>
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+<Annuity Sales, partOf, Annuity Sales>
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+<Catastrophe Modeling, connectedTo, Customer Support>
+<Compliance Reporting, connectedTo, Customer Onboarding>
+<Coverage Review, connectedTo, Compliance Reporting>
+<Coverage Review, connectedTo, Healthcare Provider Network Management>
+<Coverage Review, integrates, Property Damage Assessment>
+<Customer Communication, connectedTo, Policy Cancellation>
+<Customer Communication, partOf, Customer Communication>
+<Customer Onboarding, connectedTo, Agent Training>
+<Customer Onboarding, connectedTo, Catastrophe Modeling>
+<Customer Onboarding, connectedTo, Data Security>
+<Customer Onboarding, connectedTo, Policy Cancellation>
+<Customer Support, connectedTo, Business Interruption Coverage>
+<Data Security, connectedTo, Policy Issuance>
+<Healthcare Provider Network Management, connectedTo, Compliance Reporting>
+<Healthcare Provider Network Management, connectedTo, Loss Prevention>
+<Life Insurance Underwriting, connectedTo, Annuity Sales>
+<Life Insurance Underwriting, partOf, Life Insurance Underwriting>
+<Loss Prevention, connectedTo, Customer Communication>
+<Loss Prevention, partOf, Loss Prevention>
+<Policy Cancellation, connectedTo, Agent Training>
+<Policy Cancellation, connectedTo, Catastrophe Modeling>
+<Policy Cancellation, connectedTo, Digital Policy Management>
+<Policy Issuance, connectedTo, Agent Training>
+<Property Damage Assessment, connectedTo, Compliance Reporting>
+<Property Damage Assessment, connectedTo, Healthcare Provider Network Management>
+<Property Damage Assessment, connectedTo, Telematics Data Analysis>
+<Subrogation, connectedTo, Life Insurance Underwriting>
+<Subrogation, partOf, Subrogation>
+<Telematics Data Analysis, connectedTo, Compliance Reporting>
+<Telematics Data Analysis, connectedTo, Healthcare Provider Network Management>
diff --git a/train/graphviz/hard/graphviz_164.png b/train/graphviz/hard/graphviz_164.png
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diff --git a/train/graphviz/hard/graphviz_165.dot b/train/graphviz/hard/graphviz_165.dot
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index 0000000000000000000000000000000000000000..c1fc0d9280de1f0b6825f35dea04f643ff57eca3
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index 0000000000000000000000000000000000000000..d288b8756c952f63f85c2e2649c966ca4a141b83
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diff --git a/train/graphviz/hard/graphviz_169.txt b/train/graphviz/hard/graphviz_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e651c5ddeb98bde5fd53e9d8b900fdc7d55abab7
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_174.dot b/train/graphviz/hard/graphviz_174.dot
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diff --git a/train/graphviz/hard/graphviz_175.dot b/train/graphviz/hard/graphviz_175.dot
new file mode 100644
index 0000000000000000000000000000000000000000..89daabfbd5bbf222eb0a2a63cb56d4a3a8e549fe
--- /dev/null
+++ b/train/graphviz/hard/graphviz_175.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=RL
+	N0 [label="Risk Management Framework" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Dark Web Monitoring" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N2 [label="Vulnerability Assessment" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N3 [label="Security Awareness Training" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N4 [label="Supply Chain Security" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N5 [label="Zero Trust Architecture" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N6 [label="Compliance Monitoring" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N7 [label="Intrusion Prevention" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N8 [label="Threat Intelligence Gathering" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N9 [label="Application Security" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N10 [label="DevSecOps Integration" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N11 [label="Cloud Security" color="#AED581" fillcolor="#F0F4C3" shape=oval style=filled]
+	N12 [label="Mobile Security" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N13 [label="Security Audit" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N14 [label="Security Information and Event Management" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
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+	subgraph cluster_Group0 {
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+		nest0_0 [label="Access Control" color="#AED581" fillcolor="#F0F4C3" shape=folder style=filled]
+		nest0_1 [label="Digital Forensics" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest0_2 [label="Data Loss Prevention" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_3 [label="Incident Response" color="#388E3C" fillcolor="#C8E6C9" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [label=scans color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Insider Threat Detection" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Firewall Configuration" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+		nest1_1 [label="Web Application Firewall Deployment" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest1_2 [label="Network Security" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N2 -> N3 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=optimizes color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
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+	N12 -> N13 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [label=alerts color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M1 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_176.dot b/train/graphviz/hard/graphviz_176.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9e1deb8ec1b4e698aa8fe0efd4fff97032701fb9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_176.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=BT
+	N0 [label="Security Information and Event Management" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N1 [label="Cryptography Implementation" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N2 [label="Web Application Firewall Deployment" color="#FFD54F" fillcolor="#FFF8E1" shape=folder style=filled]
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+	N4 [label="Data Loss Prevention" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N5 [label="Insider Threat Detection" color="#80DDEA" fillcolor="#D3F7F9" shape=Mdiamond style=filled]
+	N6 [label="Penetration Testing" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N7 [label="Incident Response" color="#64B5F6" fillcolor="#E3F2FD" shape=octagon style=filled]
+	N8 [label="Compliance Monitoring" color="#FFD54F" fillcolor="#FFF8E1" shape=folder style=filled]
+	N9 [label="Data Encryption" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N10 [label="Firewall Configuration" color="#FFD54F" fillcolor="#FFF8E1" shape=oval style=filled]
+	N11 [label="Security Awareness Training" color="#64B5F6" fillcolor="#E3F2FD" shape=oval style=filled]
+	N12 [label="Cloud Security" color="#FFD54F" fillcolor="#FFF8E1" shape=octagon style=filled]
+	N13 [label="Physical Security Integration" color="#64B5F6" fillcolor="#E3F2FD" shape=oval style=filled]
+	N14 [label="User Training" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N15 [label="Malware Analysis" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N16 [label="Network Security" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N17 [label="Threat Intelligence Gathering" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N18 [label="Security Patch Management" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	S0 [label="" color="#FFD54F" fillcolor="#FFF8E1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFD54F" fillcolor="#FFF8E1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Disaster Recovery Planning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Antivirus Management" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+		nest0_1 [label="Dark Web Monitoring" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest0_2 [label="Application Security" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Security Audit" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Security Operations Center Monitoring" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+		nest1_1 [label="Digital Forensics" color="#FFD54F" fillcolor="#FFF8E1" shape=oval style=filled]
+		nest1_2 [label="Mobile Security" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFD54F" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
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+	nest0_2 -> N8 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N17 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N5 [label=patches color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N16 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=authenticates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N16 [label=responds color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M0 [label=authorizes color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FFD54F" dir=forward penwidth=1.5 style=solid]
+	N12 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N18 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_178.dot b/train/graphviz/hard/graphviz_178.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1bbee36b48839c7bf4a10942e3ebf805d97e211b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_178.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=LR
+	N0 [label="Smart Plug Management" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Child Monitoring" color="#E91E63" fillcolor="#FCE4EC" shape=Mdiamond style=filled]
+	N2 [label="Emergency Service Connection" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N3 [label="Irrigation System Control" color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+	N4 [label="Personalized Comfort Settings" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N5 [label="Centralized Hub Configuration" color="#FFF9AE" fillcolor="#FFFCE6" shape=plaintext style=filled]
+	N6 [label="Video Surveillance" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N7 [label="Water Heater Control" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N8 [label="Window Sensor Monitoring" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N9 [label="Pet Feeder Automation" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N10 [label="Security Alert" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N11 [label="Smart Appliance Control" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N12 [label="Routine Scheduling" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	S1 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Voice Command" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Firmware Update" color="#CFCFCF" fillcolor="#F6F6F6" shape=Mdiamond style=filled]
+		nest0_1 [label="Automated Vacuum Cleaning" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [label=optimizes color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Energy Consumption Optimization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Device Pairing" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest1_1 [label="Garage Door Control" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+		nest1_2 [label="Sound System Integration" color="#CFCFCF" fillcolor="#F6F6F6" shape=plaintext style=filled]
+		nest1_3 [label="Curtain Automation" color="#CFCFCF" fillcolor="#F6F6F6" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N6 -> N7 [label=opens color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=interacts color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N8 -> nest1_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N11 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [label=monitors color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N2 -> S2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S2 -> N7 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	S2 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	M0 -> N8 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N7 -> M1 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_178.txt b/train/graphviz/hard/graphviz_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8d4fb7acc5207dbc9c7cbdc629b7ad6d456b1a9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_178.txt
@@ -0,0 +1,38 @@
+<Automated Vacuum Cleaning, connectedTo, Child Monitoring>
+<Automated Vacuum Cleaning, partOf, Automated Vacuum Cleaning>
+<Centralized Hub Configuration, connectedTo, Video Surveillance>
+<Child Monitoring, connectedTo, Emergency Service Connection>
+<Curtain Automation, connectedTo, Smart Appliance Control>
+<Curtain Automation, partOf, Curtain Automation>
+<Device Pairing, connectedTo, Garage Door Control>
+<Device Pairing, partOf, Device Pairing>
+<Emergency Service Connection, connectedTo, Centralized Hub Configuration>
+<Emergency Service Connection, connectedTo, Irrigation System Control>
+<Emergency Service Connection, connectedTo, Security Alert>
+<Emergency Service Connection, connectedTo, Water Heater Control>
+<Emergency Service Connection, connectedTo, Window Sensor Monitoring>
+<Firmware Update, optimizes, Automated Vacuum Cleaning>
+<Firmware Update, partOf, Firmware Update>
+<Garage Door Control, connectedTo, Sound System Integration>
+<Garage Door Control, partOf, Garage Door Control>
+<Irrigation System Control, connectedTo, Personalized Comfort Settings>
+<Irrigation System Control, connectedTo, Window Sensor Monitoring>
+<Personalized Comfort Settings, connectedTo, Centralized Hub Configuration>
+<Personalized Comfort Settings, connectedTo, Window Sensor Monitoring>
+<Pet Feeder Automation, connectedTo, Security Alert>
+<Security Alert, interacts, Smart Appliance Control>
+<Smart Appliance Control, connectedTo, Routine Scheduling>
+<Smart Plug Management, connectedTo, Child Monitoring>
+<Smart Plug Management, connectedTo, Window Sensor Monitoring>
+<Sound System Integration, connectedTo, Curtain Automation>
+<Sound System Integration, partOf, Sound System Integration>
+<Video Surveillance, connectedTo, Window Sensor Monitoring>
+<Video Surveillance, opens, Water Heater Control>
+<Water Heater Control, connectedTo, Security Alert>
+<Water Heater Control, connectedTo, Window Sensor Monitoring>
+<Window Sensor Monitoring, connectedTo, Device Pairing>
+<Window Sensor Monitoring, connectedTo, Firmware Update>
+<Window Sensor Monitoring, connectedTo, Pet Feeder Automation>
+<Window Sensor Monitoring, connectedTo, Routine Scheduling>
+<Window Sensor Monitoring, connectedTo, Security Alert>
+<Window Sensor Monitoring, monitors, Smart Appliance Control>
diff --git a/train/graphviz/hard/graphviz_18.dot b/train/graphviz/hard/graphviz_18.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4c71f578a0275dcd26d43e2b9b94eb6090336ee0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_18.dot
@@ -0,0 +1,57 @@
+digraph {
+	rankdir=LR
+	N0 [label=Maintenance color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Batch Tracking" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N2 [label="Supplier Qualification" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N3 [label=Shipping color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N4 [label="Logistics Planning" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N5 [label="Workflow Optimization" color="#BCB88A" fillcolor="#F5F5DC" shape=plaintext style=filled]
+	N6 [label="Work_in_Progress Monitoring" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N7 [label="Environmental Compliance" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
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+		nest0_1 [label="Raw Material" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_2 [label="Robotics Integration" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	}
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+		nest1_0 [label="Predictive Maintenance" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+		nest1_1 [label="Yield Optimization" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest1_2 [label="Ergonomics Assessment" color="#BCB88A" fillcolor="#F5F5DC" shape=octagon style=filled]
+		nest1_3 [label=Inspection color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [label=drills color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
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+	N4 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_18.txt b/train/graphviz/hard/graphviz_18.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b33aedbf0e77e78eb7cab6e0b3571e830e81049
--- /dev/null
+++ b/train/graphviz/hard/graphviz_18.txt
@@ -0,0 +1,30 @@
+<Batch Tracking, connectedTo, Logistics Planning>
+<Batch Tracking, connectedTo, Predictive Maintenance>
+<Batch Tracking, connectedTo, Supplier Qualification>
+<Batch Tracking, connectedTo, Work_in_Progress Monitoring>
+<Ergonomics Assessment, drills, Inspection>
+<Ergonomics Assessment, partOf, Ergonomics Assessment>
+<Inspection, connectedTo, Logistics Planning>
+<Inspection, partOf, Inspection>
+<Logistics Planning, connectedTo, Machine Calibration>
+<Logistics Planning, connectedTo, Workflow Optimization>
+<Machine Calibration, connectedTo, Raw Material>
+<Machine Calibration, partOf, Machine Calibration>
+<Maintenance, connectedTo, Batch Tracking>
+<Maintenance, connectedTo, Logistics Planning>
+<Maintenance, connectedTo, Work_in_Progress Monitoring>
+<Predictive Maintenance, connectedTo, Yield Optimization>
+<Predictive Maintenance, partOf, Predictive Maintenance>
+<Raw Material, connectedTo, Robotics Integration>
+<Raw Material, partOf, Raw Material>
+<Robotics Integration, connectedTo, Environmental Compliance>
+<Robotics Integration, partOf, Robotics Integration>
+<Shipping, connectedTo, Logistics Planning>
+<Shipping, connectedTo, Work_in_Progress Monitoring>
+<Supplier Qualification, connectedTo, Logistics Planning>
+<Supplier Qualification, connectedTo, Shipping>
+<Supplier Qualification, connectedTo, Work_in_Progress Monitoring>
+<Work_in_Progress Monitoring, connectedTo, Environmental Compliance>
+<Workflow Optimization, connectedTo, Work_in_Progress Monitoring>
+<Yield Optimization, connectedTo, Ergonomics Assessment>
+<Yield Optimization, partOf, Yield Optimization>
diff --git a/train/graphviz/hard/graphviz_181.dot b/train/graphviz/hard/graphviz_181.dot
new file mode 100644
index 0000000000000000000000000000000000000000..50c95e9ae4a1d4f0b4a7995656f63e44da7c9097
--- /dev/null
+++ b/train/graphviz/hard/graphviz_181.dot
@@ -0,0 +1,59 @@
+digraph {
+	rankdir=RL
+	N0 [label="Power Outage Notification" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N1 [label="Leak Detection" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N2 [label="Routine Scheduling" color="#DCE775" fillcolor="#FCFCE7" shape=octagon style=filled]
+	N3 [label="Pet Feeder Automation" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N4 [label="Remote Control" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N5 [label="Thermostat Adjustment" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N6 [label="Doorbell Camera Alert" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N7 [label="Scene Creation" color="#61CAC3" fillcolor="#C2E8E6" shape=oval style=filled]
+	N8 [label="Firmware Update" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
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+		nest0_2 [label="Air Quality Monitoring" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+		nest0_3 [label="Motion Detection" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_182.dot b/train/graphviz/hard/graphviz_182.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eb9a4a2bb52cf23f2933af4ecfe7a0f92fa7ba1b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_182.dot
@@ -0,0 +1,63 @@
+digraph {
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+	N6 [label="Pet Feeder Automation" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_183.dot b/train/graphviz/hard/graphviz_183.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b9b16c7a47972402b8b1d2c8c18496afc3e2ea23
--- /dev/null
+++ b/train/graphviz/hard/graphviz_183.dot
@@ -0,0 +1,66 @@
+digraph {
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+		nest1_2 [label="Centralized Hub Configuration" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_183.png b/train/graphviz/hard/graphviz_183.png
new file mode 100644
index 0000000000000000000000000000000000000000..61793c10266954af64e57cdfcb48d2b49bdcd1fb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_183.png
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diff --git a/train/graphviz/hard/graphviz_183.txt b/train/graphviz/hard/graphviz_183.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9587cd9ca004bd50f7c2a21e7dbdf35cddca767c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_183.txt
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+<Air Quality Monitoring, connectedTo, Centralized Hub Configuration>
+<Air Quality Monitoring, partOf, Air Quality Monitoring>
+<Centralized Hub Configuration, connectedTo, Personalized Comfort Settings>
+<Centralized Hub Configuration, partOf, Centralized Hub Configuration>
+<Child Monitoring, connectedTo, Elderly Care Monitoring>
+<Child Monitoring, connectedTo, Personalized Comfort Settings>
+<Child Monitoring, connectedTo, Sound System Integration>
+<Doorbell Camera Alert, connectedTo, Child Monitoring>
+<Doorbell Camera Alert, connectedTo, Leak Detection>
+<Doorbell Camera Alert, connectedTo, Smart Plug Management>
+<Elderly Care Monitoring, connectedTo, Sound System Integration>
+<Emergency Service Connection, connectedTo, Doorbell Camera Alert>
+<Energy Consumption Optimization, connectedTo, Window Sensor Monitoring>
+<Irrigation System Control, connectedTo, Smart Appliance Control>
+<Irrigation System Control, partOf, Irrigation System Control>
+<Leak Detection, connectedTo, Air Quality Monitoring>
+<Leak Detection, partOf, Leak Detection>
+<Motion Detection, connectedTo, Pet Feeder Automation>
+<Pet Feeder Automation, connectedTo, Video Surveillance>
+<Power Outage Notification, connectedTo, Emergency Service Connection>
+<Power Outage Notification, connectedTo, Pet Feeder Automation>
+<Scene Creation, senses, Motion Detection>
+<Smart Appliance Control, connectedTo, Energy Consumption Optimization>
+<Smart Appliance Control, partOf, Smart Appliance Control>
+<Smart Plug Management, connectedTo, Pet Feeder Automation>
+<Smart Plug Management, connectedTo, Scene Creation>
+<Sound System Integration, connectedTo, Irrigation System Control>
+<Sound System Integration, connectedTo, Personalized Comfort Settings>
+<Video Surveillance, connectedTo, Child Monitoring>
+<Video Surveillance, connectedTo, Energy Consumption Optimization>
+<Video Surveillance, connectedTo, Sound System Integration>
+<Video Surveillance, connectedTo, Window Sensor Monitoring>
+<Window Sensor Monitoring, connectedTo, Child Monitoring>
diff --git a/train/graphviz/hard/graphviz_184.dot b/train/graphviz/hard/graphviz_184.dot
new file mode 100644
index 0000000000000000000000000000000000000000..663a99abbd67a38bc8aa03bd517d2b88a941bd73
--- /dev/null
+++ b/train/graphviz/hard/graphviz_184.dot
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+digraph {
+	rankdir=LR
+	N0 [label="Scene Creation" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N1 [label="Power Outage Notification" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
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+	N3 [label="Personalized Comfort Settings" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
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+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="Curtain Automation" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+		nest1_1 [label="Smart Plug Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest1_2 [label="Voice Command" color="#61CAC3" fillcolor="#C2E8E6" shape=octagon style=filled]
+		nest1_0 -> nest1_1 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N4 -> M1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_184.txt b/train/graphviz/hard/graphviz_184.txt
new file mode 100644
index 0000000000000000000000000000000000000000..300a527ca54f6db85f524bb60d0741ac10f5276b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_184.txt
@@ -0,0 +1,43 @@
+<Automated Vacuum Cleaning, connectedTo, Doorbell Camera Alert>
+<Child Monitoring, connectedTo, Leak Detection>
+<Curtain Automation, connectedTo, Smart Plug Management>
+<Curtain Automation, partOf, Curtain Automation>
+<Device Pairing, connectedTo, Window Sensor Monitoring>
+<Device Pairing, partOf, Device Pairing>
+<Door Lock Management, connectedTo, Automated Vacuum Cleaning>
+<Door Lock Management, connectedTo, Garage Door Control>
+<Doorbell Camera Alert, connectedTo, Energy Monitoring>
+<Elderly Care Monitoring, connectedTo, Security Alert>
+<Energy Monitoring, connectedTo, Thermostat Adjustment>
+<Firmware Update, connectedTo, Intercom System>
+<Garage Door Control, connectedTo, Firmware Update>
+<Geofencing Trigger, connectedTo, Automated Vacuum Cleaning>
+<Geofencing Trigger, connectedTo, Child Monitoring>
+<Intercom System, connectedTo, Automated Vacuum Cleaning>
+<Leak Detection, connectedTo, Elderly Care Monitoring>
+<Leak Detection, entertains, Automated Vacuum Cleaning>
+<Lighting Automation, opens, Device Pairing>
+<Lighting Automation, secures, Smoke Alarm Integration>
+<Motion Detection, connectedTo, Automated Vacuum Cleaning>
+<Motion Detection, connectedTo, Intercom System>
+<Motion Detection, connectedTo, Lighting Automation>
+<Motion Detection, connectedTo, Smoke Alarm Integration>
+<Personalized Comfort Settings, connectedTo, Automated Vacuum Cleaning>
+<Personalized Comfort Settings, connectedTo, Motion Detection>
+<Power Outage Notification, connectedTo, Curtain Automation>
+<Power Outage Notification, connectedTo, Video Surveillance>
+<Routine Scheduling, connectedTo, Smoke Alarm Integration>
+<Routine Scheduling, partOf, Routine Scheduling>
+<Scene Creation, connectedTo, Power Outage Notification>
+<Security Alert, connectedTo, Door Lock Management>
+<Smart Plug Management, connectedTo, Voice Command>
+<Smart Plug Management, partOf, Smart Plug Management>
+<Smoke Alarm Integration, connectedTo, Geofencing Trigger>
+<Video Surveillance, connectedTo, Child Monitoring>
+<Video Surveillance, connectedTo, Garage Door Control>
+<Video Surveillance, connectedTo, Lighting Automation>
+<Video Surveillance, connectedTo, Personalized Comfort Settings>
+<Voice Command, connectedTo, Garage Door Control>
+<Voice Command, partOf, Voice Command>
+<Window Sensor Monitoring, connectedTo, Routine Scheduling>
+<Window Sensor Monitoring, partOf, Window Sensor Monitoring>
diff --git a/train/graphviz/hard/graphviz_188.dot b/train/graphviz/hard/graphviz_188.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2c10c1e74a32912385484a252356f86ff935ee0d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_188.dot
@@ -0,0 +1,72 @@
+digraph {
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+	N0 [label="Urban Agriculture Support" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_188.txt b/train/graphviz/hard/graphviz_188.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31e246456175dd7ea6cf1f1a67ae13f06e5128dd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_188.txt
@@ -0,0 +1,37 @@
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+<Air Quality Index Reporting, connectedTo, Smart Lighting>
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_205.txt b/train/graphviz/hard/graphviz_205.txt
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diff --git a/train/graphviz/hard/graphviz_207.txt b/train/graphviz/hard/graphviz_207.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c43ea81037e7052e6b4a96886ea3e98dfea277f6
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_210.dot b/train/graphviz/hard/graphviz_210.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b89a54f47d9ab4147a78da281581b49c26f0b6a0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_210.dot
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diff --git a/train/graphviz/hard/graphviz_212.dot b/train/graphviz/hard/graphviz_212.dot
new file mode 100644
index 0000000000000000000000000000000000000000..10e2f9c7ec385ce8021fc3bc46ee793287c8138d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_212.dot
@@ -0,0 +1,64 @@
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+	N5 [label="Service Robotics" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
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diff --git a/train/graphviz/hard/graphviz_214.dot b/train/graphviz/hard/graphviz_214.dot
new file mode 100644
index 0000000000000000000000000000000000000000..13e0b805a3d939e843f92a61585efad39819173a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_214.dot
@@ -0,0 +1,71 @@
+digraph {
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+	S1 -> N9 [label=repairs color="#E57373" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_214.txt b/train/graphviz/hard/graphviz_214.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c7b8e1b85c5ace73a25ec1bda459813707d35d73
--- /dev/null
+++ b/train/graphviz/hard/graphviz_214.txt
@@ -0,0 +1,38 @@
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+<Agricultural Robotics, connectedTo, Exploration Robotics>
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+<Autonomous Navigation, partOf, Autonomous Navigation>
+<Battery Management, automates, Artificial Intelligence Integration>
+<Battery Management, connectedTo, Machine Vision>
+<Battery Management, connectedTo, Performance Testing>
+<Battery Management, connectedTo, Robot Design>
+<Battery Management, repairs, Collaborative Robotics>
+<Calibration, connectedTo, Performance Testing>
+<Collaborative Robotics, connectedTo, Kinematics and Dynamics>
+<Data Collection, partOf, Data Collection>
+<Data Collection, updates, Swarm Robotics>
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+<Kinematics and Dynamics, connectedTo, Swarm Robotics>
+<Machine Vision, connectedTo, Software Development>
+<Path Planning, connectedTo, Autonomous Navigation>
+<Path Planning, partOf, Path Planning>
+<Robot Design, connectedTo, Actuator Control>
+<Robot Design, connectedTo, Machine Vision>
+<Robot Programming, connectedTo, Data Collection>
+<Robot Programming, partOf, Robot Programming>
+<Software Development, connectedTo, Underwater Robotics>
+<Software Development, monitors, Grasping and Manipulation>
+<Swarm Robotics, connectedTo, Path Planning>
+<Swarm Robotics, welds, Agricultural Robotics>
+<System Integration, connectedTo, Collaborative Robotics>
+<System Integration, partOf, System Integration>
+<Underwater Robotics, connectedTo, Artificial Intelligence Integration>
+<Wireless Communication, connectedTo, Actuator Control>
+<Wireless Communication, connectedTo, Battery Management>
+<Wireless Communication, connectedTo, Underwater Robotics>
diff --git a/train/graphviz/hard/graphviz_217.dot b/train/graphviz/hard/graphviz_217.dot
new file mode 100644
index 0000000000000000000000000000000000000000..edd9dc0d9c8d5a6dee8b7cdafae099fb28c6aa0d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_217.dot
@@ -0,0 +1,72 @@
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diff --git a/train/graphviz/hard/graphviz_218.txt b/train/graphviz/hard/graphviz_218.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7f622233256f8b629f64580a38310c1f3d1deda
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diff --git a/train/graphviz/hard/graphviz_228.txt b/train/graphviz/hard/graphviz_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6e9af2c91c797e0600c01cecdad628792869b5c0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_228.txt
@@ -0,0 +1,35 @@
+<Advertising Sales, connectedTo, Audience Segmentation>
+<Analytics Reporting, connectedTo, Platform Development>
+<Audience Engagement, connectedTo, Print Layout>
+<Audience Segmentation, connectedTo, Copyright Management>
+<Brand Partnerships, designs, Cross_Platform Syndication>
+<Broadcasting, connectedTo, Editing>
+<Content Creation, connectedTo, Crisis Communication>
+<Content Creation, partOf, Content Creation>
+<Content Licensing, connectedTo, Publishing>
+<Content Licensing, partOf, Content Licensing>
+<Copyright Management, connectedTo, Analytics Reporting>
+<Copyright Management, connectedTo, Digital Marketing>
+<Copyright Management, monetizes, Brand Partnerships>
+<Crisis Communication, connectedTo, Audience Segmentation>
+<Crisis Communication, partOf, Crisis Communication>
+<Cross_Platform Syndication, connectedTo, Distribution>
+<Digital Marketing, broadcasts, Platform Development>
+<Digital Marketing, connectedTo, Analytics Reporting>
+<Distribution, connectedTo, Broadcasting>
+<Distribution, connectedTo, Content Creation>
+<Editing, connectedTo, Virtual Reality Content Creation>
+<Editing, publishes, Journalism>
+<Journalism, connectedTo, Content Licensing>
+<Journalism, connectedTo, Talent Management>
+<Print Layout, analyzes, Advertising Sales>
+<Print Layout, connectedTo, Platform Development>
+<Public Relations, connectedTo, Copyright Management>
+<Public Relations, connectedTo, Platform Development>
+<Public Relations, connectedTo, Visual Effects>
+<Publishing, edits, User Generated Content Curation>
+<Publishing, partOf, Publishing>
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+<User Generated Content Curation, connectedTo, Journalism>
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diff --git a/train/graphviz/hard/graphviz_23.txt b/train/graphviz/hard/graphviz_23.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e4f6d3f53045c9f8e2bfdb5fb7781dfed51d853c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_23.txt
@@ -0,0 +1,36 @@
+<Assembly, connectedTo, Bills of Material Generation>
+<Assembly, forecasts, Welding>
+<Automated Assembly, connectedTo, Ergonomics Assessment>
+<Automated Assembly, partOf, Automated Assembly>
+<Automated Guided Vehicle Operation, connectedTo, Inventory Check>
+<Bills of Material Generation, automates, Automated Guided Vehicle Operation>
+<Bills of Material Generation, connectedTo, Parts Replacement>
+<Bills of Material Generation, connectedTo, Predictive Maintenance>
+<Bills of Material Generation, connectedTo, Shipping>
+<Defect Analysis, connectedTo, Factory Layout Planning>
+<Design Review, connectedTo, Predictive Maintenance>
+<Ergonomics Assessment, connectedTo, Tool Path Generation>
+<Ergonomics Assessment, partOf, Ergonomics Assessment>
+<Factory Layout Planning, connectedTo, Assembly>
+<Factory Layout Planning, connectedTo, Shipping>
+<Inventory Check, disposes, Parts Replacement>
+<Packaging, connectedTo, Defect Analysis>
+<Packaging, connectedTo, Shipping>
+<Predictive Maintenance, monitors, Automated Guided Vehicle Operation>
+<Product Design, connectedTo, Design Review>
+<Product Design, partOf, Product Design>
+<Quality Control, connectedTo, Bills of Material Generation>
+<Quality Control, connectedTo, Design Review>
+<Quality Control, connectedTo, Packaging>
+<Quality Control, connectedTo, Predictive Maintenance>
+<Raw Material, connectedTo, Design Review>
+<Raw Material, connectedTo, Parts Replacement>
+<Raw Material, connectedTo, Robotics Integration>
+<Robotics Integration, connectedTo, Automated Assembly>
+<Robotics Integration, partOf, Robotics Integration>
+<Shipping, connectedTo, Raw Material>
+<Tool Path Generation, connectedTo, Raw Material>
+<Tool Path Generation, partOf, Tool Path Generation>
+<Welding, partOf, Welding>
+<Welding, repairs, Product Design>
+<Workflow Optimization, connectedTo, Quality Control>
diff --git a/train/graphviz/hard/graphviz_230.dot b/train/graphviz/hard/graphviz_230.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0e2b72e4e4e2e2972c4ebce6fe37240c0ae42eab
--- /dev/null
+++ b/train/graphviz/hard/graphviz_230.dot
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diff --git a/train/graphviz/hard/graphviz_230.txt b/train/graphviz/hard/graphviz_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ce22da0fc059944c50f21fc6f11165984d340cfe
--- /dev/null
+++ b/train/graphviz/hard/graphviz_230.txt
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diff --git a/train/graphviz/hard/graphviz_231.dot b/train/graphviz/hard/graphviz_231.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d910729738cd42b00837d8636c276cab574d0b17
--- /dev/null
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+	nest0_2 -> N11 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
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+	nest1_1 -> N3 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> S1 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=interviews color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M0 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
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+	N2 -> M1 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	M1 -> N14 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_232.dot b/train/graphviz/hard/graphviz_232.dot
new file mode 100644
index 0000000000000000000000000000000000000000..36c3c019a54da803672f69826e722c74669ccaec
--- /dev/null
+++ b/train/graphviz/hard/graphviz_232.dot
@@ -0,0 +1,88 @@
+digraph {
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+		nest1_1 [label="Augmented Reality Experiences" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+		nest1_2 [label="Print Layout" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
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+	N2 -> M1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [label=renders color="#000000" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_232.txt b/train/graphviz/hard/graphviz_232.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c2af8ecb2a2de7a75a8b9831f4f0f21f0817652f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_232.txt
@@ -0,0 +1,47 @@
+<Advertising Sales, connectedTo, Broadcasting>
+<Advertising Sales, connectedTo, Copyright Management>
+<Audience Engagement, connectedTo, Broadcasting>
+<Audience Engagement, partOf, Audience Engagement>
+<Augmented Reality Experiences, connectedTo, Print Layout>
+<Augmented Reality Experiences, partOf, Augmented Reality Experiences>
+<Brand Partnerships, connectedTo, Copyright Management>
+<Brand Partnerships, connectedTo, Distribution>
+<Brand Partnerships, connectedTo, Event Organization>
+<Broadcasting, connectedTo, Brand Partnerships>
+<Broadcasting, connectedTo, Content Moderation>
+<Broadcasting, connectedTo, Distribution>
+<Broadcasting, connectedTo, Event Organization>
+<Broadcasting, connectedTo, Live Streaming>
+<Content Creation, connectedTo, Augmented Reality Experiences>
+<Content Creation, partOf, Content Creation>
+<Content Moderation, connectedTo, Sound Design>
+<Copyright Management, connectedTo, Content Moderation>
+<Data Monetization, connectedTo, Event Organization>
+<Data Monetization, connectedTo, Interactive Storytelling>
+<Data Monetization, connectedTo, Platform Development>
+<Distribution, connectedTo, Copyright Management>
+<Distribution, regulates, Radio Programming>
+<Distribution, renders, Film Production>
+<Event Organization, connectedTo, Copyright Management>
+<Game Streaming, connectedTo, Live Streaming>
+<Interactive Storytelling, connectedTo, Advertising Sales>
+<Interactive Storytelling, connectedTo, Brand Partnerships>
+<Interactive Storytelling, connectedTo, Content Moderation>
+<Interactive Storytelling, connectedTo, Event Organization>
+<Interactive Storytelling, connectedTo, Film Production>
+<Live Streaming, connectedTo, Media Consumption Trends Analysis>
+<Media Consumption Trends Analysis, connectedTo, Film Production>
+<Music Recording, connectedTo, Virtual Reality Content Creation>
+<Platform Development, connectedTo, Audience Engagement>
+<Platform Development, partOf, Platform Development>
+<Print Layout, connectedTo, User Generated Content Curation>
+<Print Layout, partOf, Print Layout>
+<Radio Programming, connectedTo, Event Organization>
+<Sound Design, connectedTo, Content Creation>
+<Sound Design, connectedTo, Film Production>
+<Sound Design, connectedTo, Media Consumption Trends Analysis>
+<Sound Design, connectedTo, Music Recording>
+<Subscription Management, connectedTo, Data Monetization>
+<User Generated Content Curation, connectedTo, Advertising Sales>
+<User Generated Content Curation, partOf, User Generated Content Curation>
+<Virtual Reality Content Creation, connectedTo, Game Streaming>
diff --git a/train/graphviz/hard/graphviz_234.dot b/train/graphviz/hard/graphviz_234.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1773805617d3050376ff88317da1e019755d9471
--- /dev/null
+++ b/train/graphviz/hard/graphviz_234.dot
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+digraph {
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diff --git a/train/graphviz/hard/graphviz_234.png b/train/graphviz/hard/graphviz_234.png
new file mode 100644
index 0000000000000000000000000000000000000000..64e8723b8cee81fdbcd8a70f5acbf8e729cb88c9
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+++ b/train/graphviz/hard/graphviz_234.png
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diff --git a/train/graphviz/hard/graphviz_234.txt b/train/graphviz/hard/graphviz_234.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1254748d4c491411922fb8624492f285581ed8db
--- /dev/null
+++ b/train/graphviz/hard/graphviz_234.txt
@@ -0,0 +1,33 @@
+<Baking, connectedTo, Food Processing Automation>
+<Beverage Production, connectedTo, Branding and Marketing>
+<Beverage Production, connectedTo, Distribution>
+<Beverage Production, connectedTo, Ingredient Sourcing>
+<Beverage Production, connectedTo, New Product Launch>
+<Beverage Production, packages, Branding and Marketing>
+<Branding and Marketing, connectedTo, Food Safety Inspection>
+<Branding and Marketing, connectedTo, Supply Chain Traceability>
+<Brewing, develops, Sensory Evaluation>
+<Brewing, partOf, Brewing>
+<Cooking, connectedTo, Branding and Marketing>
+<Cooking, connectedTo, Restaurant Reservation System>
+<Customer Order Taking, innovates, Branding and Marketing>
+<Customer Order Taking, partOf, Customer Order Taking>
+<Distribution, connectedTo, Branding and Marketing>
+<Distribution, connectedTo, Brewing>
+<Food Processing Automation, connectedTo, Regulatory Compliance>
+<Food Safety Inspection, connectedTo, Restaurant Management>
+<Food Safety Inspection, partOf, Food Safety Inspection>
+<Ingredient Sourcing, connectedTo, New Product Launch>
+<Packaging, connectedTo, Baking>
+<Regulatory Compliance, connectedTo, Ingredient Sourcing>
+<Restaurant Management, connectedTo, Customer Order Taking>
+<Restaurant Management, partOf, Restaurant Management>
+<Restaurant Reservation System, connectedTo, Baking>
+<Restaurant Reservation System, connectedTo, Branding and Marketing>
+<Restaurant Reservation System, connectedTo, Distribution>
+<Restaurant Reservation System, connectedTo, Waste Reduction>
+<Sensory Evaluation, connectedTo, Beverage Production>
+<Sensory Evaluation, partOf, Sensory Evaluation>
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diff --git a/train/graphviz/hard/graphviz_235.txt b/train/graphviz/hard/graphviz_235.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f03c56dcf7b6b9d453624d785445fa75b42fbcb2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_235.txt
@@ -0,0 +1,37 @@
+<Allergen Management, connectedTo, Ingredient Sourcing>
+<Allergen Management, partOf, Allergen Management>
+<Beverage Production, connectedTo, Storage Solutions>
+<Branding and Marketing, connectedTo, Product Shelf_Life Testing>
+<Branding and Marketing, partOf, Branding and Marketing>
+<Catering Operations, connectedTo, Dietary Requirement Accommodation>
+<Catering Operations, connectedTo, Sensory Evaluation>
+<Catering Operations, labels, Ingredient Traceability>
+<Consumer Feedback Collection, connectedTo, Dietary Requirement Accommodation>
+<Consumer Feedback Collection, connectedTo, Ingredient Traceability>
+<Consumer Feedback Collection, connectedTo, Regulatory Compliance>
+<Consumer Feedback Collection, connectedTo, Sustainable Sourcing>
+<Consumer Feedback Collection, nutrifies, Recipe Development>
+<Customer Order Taking, connectedTo, Service Delivery>
+<Dietary Requirement Accommodation, connectedTo, Food Processing Automation>
+<Food Packaging Design, connectedTo, Customer Order Taking>
+<Food Preservation, connectedTo, Baking>
+<Food Preservation, partOf, Food Preservation>
+<Food Processing Automation, promotes, Recipe Development>
+<Ingredient Sourcing, connectedTo, Branding and Marketing>
+<Ingredient Sourcing, partOf, Ingredient Sourcing>
+<Ingredient Traceability, freezes, Dietary Requirement Accommodation>
+<Inventory Management, partOf, Inventory Management>
+<Inventory Management, recipes, Food Preservation>
+<Menu Planning, connectedTo, Consumer Feedback Collection>
+<Product Shelf_Life Testing, connectedTo, Baking>
+<Product Shelf_Life Testing, partOf, Product Shelf_Life Testing>
+<Recipe Development, connectedTo, Allergen Management>
+<Recipe Development, connectedTo, Sustainable Sourcing>
+<Regulatory Compliance, connectedTo, Catering Operations>
+<Regulatory Compliance, connectedTo, Inventory Management>
+<Sensory Evaluation, complies, Beverage Production>
+<Service Delivery, connectedTo, Baking>
+<Storage Solutions, connectedTo, Customer Order Taking>
+<Storage Solutions, connectedTo, Food Packaging Design>
+<Storage Solutions, sanitizes, Ingredient Traceability>
+<Sustainable Sourcing, connectedTo, Food Packaging Design>
diff --git a/train/graphviz/hard/graphviz_236.dot b/train/graphviz/hard/graphviz_236.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c188c6510c425a205eb2a93cde51fad87547efd0
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diff --git a/train/graphviz/hard/graphviz_238.dot b/train/graphviz/hard/graphviz_238.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a41296e4990bd7d7bf85a359cd03ee2db5b06bcf
--- /dev/null
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+digraph {
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diff --git a/train/graphviz/hard/graphviz_240.txt b/train/graphviz/hard/graphviz_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ab5e9b8f5e3257704b699a09edac64049dee241
--- /dev/null
+++ b/train/graphviz/hard/graphviz_240.txt
@@ -0,0 +1,35 @@
+<Beverage Production, connectedTo, Cooking>
+<Branding and Marketing, nutrifies, Supply Chain Traceability>
+<Brewing, connectedTo, Menu Planning>
+<Brewing, partOf, Brewing>
+<Consumer Feedback Collection, connectedTo, Waste Reduction>
+<Cooking, connectedTo, Branding and Marketing>
+<Cuisine Innovation, connectedTo, Branding and Marketing>
+<Cuisine Innovation, connectedTo, Supply Chain Traceability>
+<Cuisine Innovation, flavors, Regulatory Compliance>
+<Delivery Service Coordination, connectedTo, Food Packaging Design>
+<Delivery Service Coordination, partOf, Delivery Service Coordination>
+<Dietary Requirement Accommodation, connectedTo, Brewing>
+<Dietary Requirement Accommodation, partOf, Dietary Requirement Accommodation>
+<Distribution, connectedTo, Cuisine Innovation>
+<Food Packaging Design, connectedTo, Restaurant Reservation System>
+<Food Packaging Design, partOf, Food Packaging Design>
+<Ingredient Traceability, connectedTo, Branding and Marketing>
+<Ingredient Traceability, connectedTo, Consumer Feedback Collection>
+<Ingredient Traceability, connectedTo, Cooking>
+<Ingredient Traceability, connectedTo, Dietary Requirement Accommodation>
+<Ingredient Traceability, delivers, Beverage Production>
+<Menu Planning, connectedTo, Storage Solutions>
+<Menu Planning, partOf, Menu Planning>
+<Nutrition Analysis, connectedTo, Distribution>
+<Nutrition Analysis, connectedTo, Supply Chain Traceability>
+<Regulatory Compliance, connectedTo, Restaurant Reservation System>
+<Restaurant Reservation System, connectedTo, Ingredient Traceability>
+<Service Delivery, inspects, Delivery Service Coordination>
+<Service Delivery, partOf, Service Delivery>
+<Supplier Management, connectedTo, Nutrition Analysis>
+<Supply Chain Traceability, connectedTo, Consumer Feedback Collection>
+<Supply Chain Traceability, connectedTo, Service Delivery>
+<Supply Chain Traceability, develops, Waste Reduction>
+<Supply Chain Traceability, prepares, Storage Solutions>
+<Waste Reduction, connectedTo, Storage Solutions>
diff --git a/train/graphviz/hard/graphviz_241.dot b/train/graphviz/hard/graphviz_241.dot
new file mode 100644
index 0000000000000000000000000000000000000000..955fc126bdb6b52b745ea31f90a3e2c4b6f8ab9c
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_247.txt b/train/graphviz/hard/graphviz_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09f52a12492e7b8d13141eed28859a062c5b98bf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_247.txt
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+<Community Sports Programs, connectedTo, Sports Technology Integration>
+<Fan Club Management, connectedTo, Athlete Performance Tracking>
+<Fan Club Management, loses, Team Management>
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+<Injury Management, connectedTo, Game Strategy>
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+<Match Play, connectedTo, Fan Club Management>
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+<Sports Betting Regulation, connectedTo, Training Session>
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new file mode 100644
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+	S0 -> N9 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N10 -> S2 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N13 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N12 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N9 -> M2 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	M2 -> N14 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_252.txt b/train/graphviz/hard/graphviz_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..573b23d021fcdb8238c12ab6d4e20c2a521a36d0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_252.txt
@@ -0,0 +1,42 @@
+<Brand Licensing, connectedTo, PR and Media Outreach>
+<Custom Apparel Design, connectedTo, Customer Feedback Analysis>
+<Customer Feedback Analysis, connectedTo, Product Photography>
+<Customer Loyalty Programs, connectedTo, Intellectual Property Protection>
+<Customer Loyalty Programs, partOf, Customer Loyalty Programs>
+<Design Sketching, connectedTo, Supply Chain Transparency>
+<Design Sketching, partOf, Design Sketching>
+<Fabric Innovation, connectedTo, PR and Media Outreach>
+<Fabric Innovation, connectedTo, Styling>
+<Footwear Production, connectedTo, Haute Couture Creation>
+<Footwear Production, connectedTo, Inventory Management>
+<Haute Couture Creation, connectedTo, Brand Licensing>
+<Haute Couture Creation, connectedTo, Inventory Management>
+<Haute Couture Creation, connectedTo, Sample Creation>
+<Haute Couture Creation, connectedTo, Trend Research>
+<Intellectual Property Protection, connectedTo, Fabric Innovation>
+<Intellectual Property Protection, partOf, Intellectual Property Protection>
+<Inventory Management, connectedTo, Sample Creation>
+<Inventory Management, connectedTo, Textile Manufacturing>
+<PR and Media Outreach, connectedTo, Trend Research>
+<Packaging, connectedTo, Fabric Innovation>
+<Product Photography, connectedTo, Footwear Production>
+<Quality Check, connectedTo, Custom Apparel Design>
+<Quality Check, connectedTo, PR and Media Outreach>
+<Retail Sales, connectedTo, PR and Media Outreach>
+<Retail Sales, connectedTo, Quality Check>
+<Retail Sales, connectedTo, Sample Creation>
+<Seasonal Collection Planning, connectedTo, PR and Media Outreach>
+<Seasonal Collection Planning, partOf, Seasonal Collection Planning>
+<Styling, connectedTo, Customer Feedback Analysis>
+<Styling, connectedTo, Design Sketching>
+<Styling, connectedTo, Footwear Production>
+<Styling, connectedTo, Product Photography>
+<Styling, connectedTo, Retail Sales>
+<Styling, connectedTo, Trend Research>
+<Supply Chain Transparency, connectedTo, Seasonal Collection Planning>
+<Supply Chain Transparency, partOf, Supply Chain Transparency>
+<Textile Manufacturing, connectedTo, Customer Loyalty Programs>
+<Textile Manufacturing, partOf, Textile Manufacturing>
+<Trend Research, connectedTo, Inventory Management>
+<Wholesale Distribution, connectedTo, Inventory Management>
+<Wholesale Distribution, connectedTo, Packaging>
diff --git a/train/graphviz/hard/graphviz_254.txt b/train/graphviz/hard/graphviz_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5e8d3506f2899639ebfc862bf9a5e2171a0571f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_254.txt
@@ -0,0 +1,37 @@
+<Accessory Design, connectedTo, Garment Production>
+<Accessory Design, partOf, Accessory Design>
+<Brand Building, connectedTo, Ready_to_Wear Collection Launch>
+<Brand Building, partOf, Brand Building>
+<Customer Loyalty Programs, connectedTo, Haute Couture Creation>
+<Customer Loyalty Programs, connectedTo, Intellectual Property Protection>
+<Customer Loyalty Programs, connectedTo, Ready_to_Wear Collection Launch>
+<Customer Loyalty Programs, connectedTo, Return Processing>
+<E_commerce Management, manages, Material Sourcing>
+<E_commerce Management, partOf, E_commerce Management>
+<Fabric Innovation, connectedTo, Global Sourcing Strategy>
+<Fabric Innovation, partOf, Fabric Innovation>
+<Garment Production, connectedTo, Sustainable Fashion Practices>
+<Garment Production, partOf, Garment Production>
+<Global Sourcing Strategy, connectedTo, Packaging>
+<Haute Couture Creation, connectedTo, Marketing Campaign>
+<Influencer Collaboration, connectedTo, E_commerce Management>
+<Influencer Collaboration, distributes, Ready_to_Wear Collection Launch>
+<Intellectual Property Protection, connectedTo, Influencer Collaboration>
+<Intellectual Property Protection, connectedTo, Packaging>
+<Intellectual Property Protection, connectedTo, Ready_to_Wear Collection Launch>
+<Marketing Campaign, connectedTo, Global Sourcing Strategy>
+<Marketing Campaign, connectedTo, Packaging>
+<Marketing Campaign, ethicals, Accessory Design>
+<Material Sourcing, blogs, Sample Creation>
+<Material Sourcing, partOf, Material Sourcing>
+<Ready_to_Wear Collection Launch, photographs, Wholesale Distribution>
+<Return Processing, connectedTo, Packaging>
+<Return Processing, connectedTo, Trend Research>
+<Sample Creation, connectedTo, Brand Building>
+<Sample Creation, partOf, Sample Creation>
+<Sustainable Fashion Practices, connectedTo, Fabric Innovation>
+<Sustainable Fashion Practices, partOf, Sustainable Fashion Practices>
+<Trend Research, connectedTo, Global Sourcing Strategy>
+<Trend Research, connectedTo, Haute Couture Creation>
+<Trend Research, connectedTo, Marketing Campaign>
+<Wholesale Distribution, connectedTo, Return Processing>
diff --git a/train/graphviz/hard/graphviz_255.dot b/train/graphviz/hard/graphviz_255.dot
new file mode 100644
index 0000000000000000000000000000000000000000..050fc74736949800f00b870dc60b352c319377aa
--- /dev/null
+++ b/train/graphviz/hard/graphviz_255.dot
@@ -0,0 +1,80 @@
+digraph {
+	rankdir=RL
+	N0 [label="Brand Building" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N1 [label=Distribution color="#92C79A" fillcolor="#E8F0EA" shape=plaintext style=filled]
+	N2 [label="Retail Sales" color="#FFC2C2" fillcolor="#FFEBEB" shape=folder style=filled]
+	N3 [label="Fabric Innovation" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N4 [label="Retail Store Merchandising" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N5 [label="Embroidery and Embellishment" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N6 [label="Garment Fitting Session" color="#DCE775" fillcolor="#F9FBE7" shape=oval style=filled]
+	N7 [label="Global Sourcing Strategy" color="#92C79A" fillcolor="#E8F0EA" shape=Mdiamond style=filled]
+	N8 [label="Trend Research" color="#92C79A" fillcolor="#E8F0EA" shape=plaintext style=filled]
+	N9 [label="Color Palette Selection" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N10 [label=Packaging color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N11 [label="Sample Creation" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N12 [label="Brand Licensing" color="#FFC2C2" fillcolor="#FFEBEB" shape=oval style=filled]
+	N13 [label="Influencer Collaboration" color="#92C79A" fillcolor="#E8F0EA" shape=folder style=filled]
+	N14 [label="Inventory Management" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
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+	M2 [label="" color="#FFC2C2" fillcolor="#FFEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_1 [label="Quality Check" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Customer Feedback Analysis" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Product Photography" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+		nest1_1 [label="Ready_to_Wear Collection Launch" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+		nest1_2 [label="Marketing Campaign" color="#FFC2C2" fillcolor="#FFEBEB" shape=Mdiamond style=filled]
+		nest1_3 [label=Styling color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N4 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N11 -> nest1_0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N14 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> S1 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N13 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [label=blogs color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N9 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M2 -> N3 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_255.txt b/train/graphviz/hard/graphviz_255.txt
new file mode 100644
index 0000000000000000000000000000000000000000..03b20951f4b9f903f4d299893551b44ecdbe122d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_255.txt
@@ -0,0 +1,41 @@
+<Brand Building, connectedTo, Distribution>
+<Brand Building, connectedTo, Fabric Innovation>
+<Brand Licensing, connectedTo, Influencer Collaboration>
+<Color Palette Selection, connectedTo, Inventory Management>
+<Color Palette Selection, connectedTo, Packaging>
+<Color Palette Selection, connectedTo, Sample Creation>
+<Custom Apparel Design, connectedTo, Quality Check>
+<Custom Apparel Design, partOf, Custom Apparel Design>
+<Distribution, connectedTo, Embroidery and Embellishment>
+<Distribution, connectedTo, Fabric Innovation>
+<Distribution, connectedTo, Global Sourcing Strategy>
+<Distribution, connectedTo, Retail Sales>
+<Embroidery and Embellishment, connectedTo, Custom Apparel Design>
+<Embroidery and Embellishment, connectedTo, Garment Fitting Session>
+<Embroidery and Embellishment, connectedTo, Sample Creation>
+<Fabric Innovation, blogs, Color Palette Selection>
+<Fabric Innovation, connectedTo, Retail Store Merchandising>
+<Garment Fitting Session, connectedTo, Color Palette Selection>
+<Garment Fitting Session, connectedTo, Global Sourcing Strategy>
+<Global Sourcing Strategy, connectedTo, Color Palette Selection>
+<Global Sourcing Strategy, connectedTo, Trend Research>
+<Influencer Collaboration, connectedTo, Inventory Management>
+<Marketing Campaign, connectedTo, Styling>
+<Marketing Campaign, partOf, Marketing Campaign>
+<Packaging, connectedTo, Sample Creation>
+<Product Photography, connectedTo, Ready_to_Wear Collection Launch>
+<Product Photography, partOf, Product Photography>
+<Quality Check, connectedTo, Retail Store Merchandising>
+<Quality Check, partOf, Quality Check>
+<Ready_to_Wear Collection Launch, connectedTo, Marketing Campaign>
+<Ready_to_Wear Collection Launch, partOf, Ready_to_Wear Collection Launch>
+<Retail Sales, connectedTo, Brand Licensing>
+<Retail Sales, connectedTo, Fabric Innovation>
+<Retail Sales, connectedTo, Influencer Collaboration>
+<Retail Sales, connectedTo, Packaging>
+<Retail Store Merchandising, connectedTo, Embroidery and Embellishment>
+<Sample Creation, connectedTo, Brand Licensing>
+<Sample Creation, connectedTo, Product Photography>
+<Styling, connectedTo, Inventory Management>
+<Styling, partOf, Styling>
+<Trend Research, connectedTo, Color Palette Selection>
diff --git a/train/graphviz/hard/graphviz_256.dot b/train/graphviz/hard/graphviz_256.dot
new file mode 100644
index 0000000000000000000000000000000000000000..64a783e2f2eb2c0245f45419c9df25ef2b766aee
--- /dev/null
+++ b/train/graphviz/hard/graphviz_256.dot
@@ -0,0 +1,62 @@
+digraph {
+	rankdir=BT
+	N0 [label="Footwear Production" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N1 [label="Retail Store Merchandising" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N2 [label="Color Palette Selection" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N3 [label="Textile Manufacturing" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N4 [label="Marketing Campaign" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N5 [label="Fashion Show Production" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N6 [label="Global Sourcing Strategy" color="#6EB76D" fillcolor="#E9F7E8" shape=octagon style=filled]
+	N7 [label="Ready_to_Wear Collection Launch" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N8 [label="Wholesale Distribution" color="#CD8FF2" fillcolor="#ECCFF5" shape=folder style=filled]
+	N9 [label="Brand Building" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N10 [label="Intellectual Property Protection" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest1_1 [label="Embroidery and Embellishment" color="#6EB76D" fillcolor="#E9F7E8" shape=folder style=filled]
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+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	nest1_3 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	S0 -> N6 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
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+	S1 -> N3 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_258.dot b/train/graphviz/hard/graphviz_258.dot
new file mode 100644
index 0000000000000000000000000000000000000000..75ae563014a5fab994bd4d579af9872701016377
--- /dev/null
+++ b/train/graphviz/hard/graphviz_258.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=RL
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+	N1 [label="Workforce Planning" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
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+	N9 [label="Grievance Handling" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
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+<Team Building Activities, connectedTo, Succession Planning>
+<Team Building Activities, partOf, Team Building Activities>
+<Union Negotiations, connectedTo, Job Posting>
diff --git a/train/graphviz/hard/graphviz_264.txt b/train/graphviz/hard/graphviz_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72d4b762264705f05753084821ad11054dd4b9be
--- /dev/null
+++ b/train/graphviz/hard/graphviz_264.txt
@@ -0,0 +1,31 @@
+<Candidate Sourcing, connectedTo, Recruitment Planning>
+<Conflict Resolution, connectedTo, Job Posting>
+<Conflict Resolution, connectedTo, Organizational Development>
+<Conflict Resolution, connectedTo, Payroll Processing>
+<Conflict Resolution, connectedTo, Team Building Activities>
+<Employee Handbook Creation, connectedTo, Remote Work Policy>
+<Employee Handbook Creation, partOf, Employee Handbook Creation>
+<Employee Relations, connectedTo, Conflict Resolution>
+<Employee Relations, connectedTo, Payroll Processing>
+<Global Mobility Programs, connectedTo, Talent Management>
+<Global Mobility Programs, partOf, Global Mobility Programs>
+<Interview Scheduling, connectedTo, Employee Relations>
+<Interview Scheduling, connectedTo, Payroll Processing>
+<Job Posting, connectedTo, Skill Development Programs>
+<Organizational Development, connectedTo, Candidate Sourcing>
+<Payroll Processing, connectedTo, Work_Life Balance Initiatives>
+<Recruitment Planning, connectedTo, Job Posting>
+<Recruitment Planning, connectedTo, Skill Development Programs>
+<Recruitment Planning, connectedTo, Succession Planning>
+<Recruitment Planning, connectedTo, Team Building Activities>
+<Remote Work Policy, connectedTo, Job Posting>
+<Remote Work Policy, partOf, Remote Work Policy>
+<Succession Planning, connectedTo, Job Posting>
+<Succession Planning, connectedTo, Workforce Planning>
+<Talent Management, connectedTo, Payroll Processing>
+<Talent Management, partOf, Talent Management>
+<Team Building Activities, connectedTo, Global Mobility Programs>
+<Team Building Activities, connectedTo, Succession Planning>
+<Work_Life Balance Initiatives, connectedTo, Organizational Development>
+<Workforce Planning, connectedTo, Employee Handbook Creation>
+<Workforce Planning, partOf, Workforce Planning>
diff --git a/train/graphviz/hard/graphviz_265.txt b/train/graphviz/hard/graphviz_265.txt
new file mode 100644
index 0000000000000000000000000000000000000000..54b4c95fcf609a8dbcfff188f48118d7fbb8337f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_265.txt
@@ -0,0 +1,33 @@
+<Candidate Experience Management, connectedTo, Freelancer Engagement>
+<Candidate Experience Management, partOf, Candidate Experience Management>
+<Candidate Feedback Collection, connectedTo, Job Description Creation>
+<Candidate Feedback Collection, connectedTo, Psychometric Testing>
+<Competency_Based Interviewing, connectedTo, Job Description Creation>
+<Competency_Based Interviewing, connectedTo, Video Interviewing>
+<Contingent Workforce Management, connectedTo, Candidate Experience Management>
+<Contingent Workforce Management, connectedTo, Video Interviewing>
+<Contingent Workforce Management, posts, Executive Search>
+<Employer Branding, connectedTo, Video Interviewing>
+<Employer Branding, partOf, Employer Branding>
+<Executive Search, connectedTo, Candidate Feedback Collection>
+<Executive Search, connectedTo, Interview Conducting>
+<Executive Search, connectedTo, Job Description Creation>
+<Freelancer Engagement, connectedTo, Employer Branding>
+<Freelancer Engagement, partOf, Freelancer Engagement>
+<Global Recruitment Strategy, connectedTo, Job Fair Organization>
+<Global Recruitment Strategy, partOf, Global Recruitment Strategy>
+<Interview Conducting, connectedTo, Offer Extension>
+<Interview Conducting, partOf, Interview Conducting>
+<Job Description Creation, connectedTo, Internal Mobility>
+<Job Fair Organization, connectedTo, Internal Mobility>
+<Job Fair Organization, partOf, Job Fair Organization>
+<Offer Extension, assesses, Global Recruitment Strategy>
+<Offer Extension, partOf, Offer Extension>
+<Psychometric Testing, connectedTo, Competency_Based Interviewing>
+<Recruitment Marketing, connectedTo, Job Description Creation>
+<Recruitment Marketing, connectedTo, Social Recruiting>
+<Social Recruiting, connectedTo, Competency_Based Interviewing>
+<Social Recruiting, connectedTo, Contingent Workforce Management>
+<Social Recruiting, connectedTo, Video Interviewing>
+<Social Recruiting, matches, Video Interviewing>
+<Video Interviewing, connectedTo, Job Description Creation>
diff --git a/train/graphviz/hard/graphviz_269.dot b/train/graphviz/hard/graphviz_269.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3a885f2d7fd46ee952e3293e0ed4eb5b6121eb1a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_269.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=LR
+	N0 [label="Social Recruiting" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N1 [label=Negotiation color="#8C9EFF" fillcolor="#D3D7EB" shape=folder style=filled]
+	N2 [label="Background Check" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N3 [label="Candidate Experience Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N4 [label="Recruiter Training" color="#FFC2C2" fillcolor="#FFEBEB" shape=octagon style=filled]
+	N5 [label="Psychometric Testing" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N6 [label="Employer Branding" color="#03A9F4" fillcolor="#B3E5FC" shape=octagon style=filled]
+	N7 [label="Recruitment Metrics Reporting" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N8 [label="Temporary Staffing" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N9 [label="Diversity Sourcing" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	S0 [label="" color="#03A9F4" fillcolor="#B3E5FC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFC2C2" fillcolor="#FFEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFC2C2" fillcolor="#FFEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Recruitment Marketing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Competency_Based Interviewing" color="#8C9EFF" fillcolor="#D3D7EB" shape=Mdiamond style=filled]
+		nest0_1 [label="Contingent Workforce Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=folder style=filled]
+		nest0_2 [label="Recruitment Process Outsourcing Management" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Onboarding Handoff" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Global Recruitment Strategy" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+		nest1_1 [label="Employee Referral Program" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+		nest1_2 [label="Video Interviewing" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+		nest1_3 [label=Headhunting color="#FFC2C2" fillcolor="#FFEBEB" shape=Mdiamond style=filled]
+		nest1_0 -> nest1_1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=interviews color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest1_0 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N5 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [label=places color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_269.txt b/train/graphviz/hard/graphviz_269.txt
new file mode 100644
index 0000000000000000000000000000000000000000..efdeb1751b13b1fa087162c75a865ad2ae5dde31
--- /dev/null
+++ b/train/graphviz/hard/graphviz_269.txt
@@ -0,0 +1,35 @@
+<Background Check, connectedTo, Candidate Experience Management>
+<Background Check, connectedTo, Global Recruitment Strategy>
+<Candidate Experience Management, connectedTo, Recruiter Training>
+<Competency_Based Interviewing, connectedTo, Contingent Workforce Management>
+<Competency_Based Interviewing, partOf, Competency_Based Interviewing>
+<Contingent Workforce Management, connectedTo, Recruitment Process Outsourcing Management>
+<Contingent Workforce Management, partOf, Contingent Workforce Management>
+<Employee Referral Program, connectedTo, Video Interviewing>
+<Employee Referral Program, partOf, Employee Referral Program>
+<Employer Branding, connectedTo, Diversity Sourcing>
+<Employer Branding, connectedTo, Temporary Staffing>
+<Employer Branding, interviews, Recruitment Metrics Reporting>
+<Global Recruitment Strategy, connectedTo, Employee Referral Program>
+<Global Recruitment Strategy, partOf, Global Recruitment Strategy>
+<Headhunting, connectedTo, Psychometric Testing>
+<Headhunting, partOf, Headhunting>
+<Negotiation, connectedTo, Background Check>
+<Negotiation, connectedTo, Candidate Experience Management>
+<Negotiation, connectedTo, Recruiter Training>
+<Negotiation, connectedTo, Recruitment Metrics Reporting>
+<Psychometric Testing, connectedTo, Employer Branding>
+<Psychometric Testing, places, Temporary Staffing>
+<Recruiter Training, connectedTo, Competency_Based Interviewing>
+<Recruiter Training, connectedTo, Diversity Sourcing>
+<Recruiter Training, connectedTo, Psychometric Testing>
+<Recruiter Training, connectedTo, Recruitment Metrics Reporting>
+<Recruiter Training, connectedTo, Temporary Staffing>
+<Recruitment Metrics Reporting, connectedTo, Temporary Staffing>
+<Recruitment Process Outsourcing Management, connectedTo, Negotiation>
+<Recruitment Process Outsourcing Management, partOf, Recruitment Process Outsourcing Management>
+<Social Recruiting, connectedTo, Negotiation>
+<Social Recruiting, connectedTo, Temporary Staffing>
+<Temporary Staffing, connectedTo, Diversity Sourcing>
+<Video Interviewing, connectedTo, Headhunting>
+<Video Interviewing, partOf, Video Interviewing>
diff --git a/train/graphviz/hard/graphviz_270.dot b/train/graphviz/hard/graphviz_270.dot
new file mode 100644
index 0000000000000000000000000000000000000000..67b2164e6d96b3b147360e3dfdcd24f21a7721fd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_270.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=BT
+	N0 [label="Competency_Based Interviewing" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N1 [label="Recruitment Marketing" color="#FBC02D" fillcolor="#FFFDE7" shape=folder style=filled]
+	N2 [label="AI in Recruitment" color="#FFDA4E" fillcolor="#FFE88D" shape=folder style=filled]
+	N3 [label="Employer Branding" color="#BDBDBD" fillcolor="#F5F5F5" shape=octagon style=filled]
+	N4 [label="Job Fair Organization" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N5 [label="Internal Mobility" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N6 [label="Freelancer Engagement" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N7 [label=Headhunting color="#BDBDBD" fillcolor="#F5F5F5" shape=folder style=filled]
+	N8 [label="Recruitment Process Outsourcing Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N9 [label="Candidate Relationship Management" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N10 [label="Background Check" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N11 [label="Campus Recruitment" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N12 [label="Candidate Experience Management" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N13 [label="Recruitment Metrics Reporting" color="#BDBDBD" fillcolor="#F5F5F5" shape=diamond style=filled]
+	N14 [label="Candidate Feedback Collection" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FBC02D" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FBC02D" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Diversity Sourcing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Temporary Staffing" color="#FFDA4E" fillcolor="#FFE88D" shape=plaintext style=filled]
+		nest0_1 [label="Employee Referral Program" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest0_2 [label="Interview Panel Coordination" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+		nest0_3 [label="Onboarding Handoff" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Candidate Screening" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Interview Conducting" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+		nest1_1 [label="Applicant Tracking System Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=matches color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=tests color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N7 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N13 -> nest1_0 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N7 [label=refers color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [label=advises color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N10 -> M1 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N12 -> M1 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	M1 -> N14 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [label=complies color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	M2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_270.txt b/train/graphviz/hard/graphviz_270.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c1e7d27e0746cc335fa6e6a3b80fca6d52eb13b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_270.txt
@@ -0,0 +1,42 @@
+<AI in Recruitment, connectedTo, Employer Branding>
+<Applicant Tracking System Management, partOf, Applicant Tracking System Management>
+<Applicant Tracking System Management, refers, Headhunting>
+<Background Check, connectedTo, Campus Recruitment>
+<Background Check, connectedTo, Candidate Feedback Collection>
+<Campus Recruitment, connectedTo, Candidate Experience Management>
+<Candidate Experience Management, connectedTo, Candidate Feedback Collection>
+<Candidate Experience Management, connectedTo, Recruitment Metrics Reporting>
+<Candidate Relationship Management, connectedTo, Background Check>
+<Competency_Based Interviewing, complies, Employer Branding>
+<Competency_Based Interviewing, connectedTo, Candidate Feedback Collection>
+<Competency_Based Interviewing, connectedTo, Recruitment Marketing>
+<Employee Referral Program, connectedTo, Interview Panel Coordination>
+<Employee Referral Program, partOf, Employee Referral Program>
+<Employer Branding, connectedTo, Job Fair Organization>
+<Freelancer Engagement, connectedTo, Background Check>
+<Freelancer Engagement, connectedTo, Candidate Relationship Management>
+<Freelancer Engagement, connectedTo, Headhunting>
+<Freelancer Engagement, connectedTo, Recruitment Metrics Reporting>
+<Headhunting, connectedTo, Temporary Staffing>
+<Headhunting, tests, Recruitment Process Outsourcing Management>
+<Internal Mobility, connectedTo, Freelancer Engagement>
+<Interview Conducting, connectedTo, Applicant Tracking System Management>
+<Interview Conducting, partOf, Interview Conducting>
+<Interview Panel Coordination, connectedTo, Onboarding Handoff>
+<Interview Panel Coordination, partOf, Interview Panel Coordination>
+<Job Fair Organization, connectedTo, Freelancer Engagement>
+<Job Fair Organization, connectedTo, Internal Mobility>
+<Onboarding Handoff, connectedTo, Headhunting>
+<Onboarding Handoff, partOf, Onboarding Handoff>
+<Recruitment Marketing, connectedTo, Employer Branding>
+<Recruitment Marketing, connectedTo, Freelancer Engagement>
+<Recruitment Marketing, matches, AI in Recruitment>
+<Recruitment Metrics Reporting, connectedTo, Candidate Feedback Collection>
+<Recruitment Metrics Reporting, connectedTo, Interview Conducting>
+<Recruitment Process Outsourcing Management, advises, Recruitment Metrics Reporting>
+<Recruitment Process Outsourcing Management, connectedTo, Campus Recruitment>
+<Recruitment Process Outsourcing Management, connectedTo, Candidate Experience Management>
+<Recruitment Process Outsourcing Management, connectedTo, Candidate Feedback Collection>
+<Recruitment Process Outsourcing Management, connectedTo, Candidate Relationship Management>
+<Temporary Staffing, connectedTo, Employee Referral Program>
+<Temporary Staffing, partOf, Temporary Staffing>
diff --git a/train/graphviz/hard/graphviz_272.png b/train/graphviz/hard/graphviz_272.png
new file mode 100644
index 0000000000000000000000000000000000000000..c4a451b6a772311de9589fd469384ef2667173c7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_272.png
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+version https://git-lfs.github.com/spec/v1
+oid sha256:d27512d415257e2eee35e113535acc1e0a94e9d1c502d6b8addc431e283ac6b5
+size 169543
diff --git a/train/graphviz/hard/graphviz_274.txt b/train/graphviz/hard/graphviz_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..afb795d8436d8fd44673b89fecafe8dc774e67ff
--- /dev/null
+++ b/train/graphviz/hard/graphviz_274.txt
@@ -0,0 +1,47 @@
+<Account Management, socials, Self_Service Portal Management>
+<Cross_selling Opportunities, connectedTo, Knowledge Base Creation>
+<Cross_selling Opportunities, partOf, Cross_selling Opportunities>
+<Customer Journey Mapping, connectedTo, Proactive Communication>
+<Customer Onboarding Support, connectedTo, Phone Support>
+<Customer Onboarding Support, partOf, Customer Onboarding Support>
+<Customer Relationship Management System Use, connectedTo, Feedback Loop to Product Development>
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diff --git a/train/graphviz/hard/graphviz_29.dot b/train/graphviz/hard/graphviz_29.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c22232179cd7b3e5620d8cb82ff39e3104ef6899
--- /dev/null
+++ b/train/graphviz/hard/graphviz_29.dot
@@ -0,0 +1,52 @@
+digraph {
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+	N0 [label="Transcript Issuance" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_29.txt b/train/graphviz/hard/graphviz_29.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d34754ef621844fa38892bbc38f0fadc56267e5f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_29.txt
@@ -0,0 +1,28 @@
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+<Academic Review, connectedTo, Exam Conduct>
+<Advisory Committee Meeting, connectedTo, Peer Tutoring>
+<Club Registration, connectedTo, Timetable Scheduling>
+<Club Registration, partOf, Club Registration>
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+<Course Material Preparation, connectedTo, Course Selection>
+<Course Material Preparation, connectedTo, Exam Conduct>
+<Course Material Preparation, connectedTo, Student Enrollment>
+<Course Selection, connectedTo, Academic Review>
+<Disciplinary Action, connectedTo, Peer Tutoring>
+<Disciplinary Action, partOf, Disciplinary Action>
+<Document Verification, connectedTo, Advisory Committee Meeting>
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+<Online Learning Platform Management, connectedTo, Document Verification>
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+<Peer Tutoring, connectedTo, Exam Conduct>
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+<Research Grant Application, partOf, Research Grant Application>
+<Student Enrollment, connectedTo, Research Grant Application>
+<Student Enrollment, partOf, Student Enrollment>
+<Timetable Scheduling, connectedTo, Disciplinary Action>
+<Timetable Scheduling, partOf, Timetable Scheduling>
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diff --git a/train/graphviz/hard/graphviz_290.txt b/train/graphviz/hard/graphviz_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bffd1501f8fb276bb0a35dbbcaa0a510a3cc4c37
--- /dev/null
+++ b/train/graphviz/hard/graphviz_290.txt
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+<Autonomous Haulage Systems, connectedTo, Mine Dewatering>
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+<Drilling and Blasting, partOf, Drilling and Blasting>
+<Dust Control, connectedTo, Asset Management>
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+<Dust Control, crushes, Mineral Processing>
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+<Energy Management, partOf, Energy Management>
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+<Equipment Maintenance, partOf, Equipment Maintenance>
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+<Geological Survey, connectedTo, Refining>
+<Geological Survey, connectedTo, Smelting>
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+<Mine Dewatering, connectedTo, Emergency Response Planning>
+<Mineral Processing, connectedTo, Noise Management>
+<Noise Management, connectedTo, Mine Closure Planning>
+<Ore Sorting, extracts, Ventilation System>
+<Permit Acquisition, connectedTo, Energy Management>
+<Permit Acquisition, connectedTo, Exploration>
+<Permit Acquisition, connectedTo, Geological Survey>
+<Permit Acquisition, connectedTo, Smelting>
+<Permit Acquisition, connectedTo, Water Management>
+<Refining, connectedTo, Drilling and Blasting>
+<Refining, partOf, Refining>
+<Remote Operations Center, connectedTo, Asset Management>
+<Remote Operations Center, connectedTo, Emergency Response Planning>
+<Remote Operations Center, connectedTo, Mine Dewatering>
+<Smelting, connectedTo, Remote Operations Center>
+<Tailings Management, connectedTo, Ventilation System>
+<Ventilation System, connectedTo, Dust Control>
+<Waste Rock Management, connectedTo, Autonomous Haulage Systems>
+<Water Management, connectedTo, Geological Survey>
diff --git a/train/graphviz/hard/graphviz_291.dot b/train/graphviz/hard/graphviz_291.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ca0e832d7cdb96a080357629597d2853b5cfcb1d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_291.dot
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diff --git a/train/graphviz/hard/graphviz_293.dot b/train/graphviz/hard/graphviz_293.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e277d367f0f818f0654bc2f73cbedf60789cf636
--- /dev/null
+++ b/train/graphviz/hard/graphviz_293.dot
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+	N6 -> N7 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest1_0 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N4 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [label=drills color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N0 -> S2 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	S2 -> N6 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N3 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_294.txt b/train/graphviz/hard/graphviz_294.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d98581daead934413adb2d0cfef23b875ff9389
--- /dev/null
+++ b/train/graphviz/hard/graphviz_294.txt
@@ -0,0 +1,41 @@
+<Community Relations, connectedTo, Ore Extraction>
+<Core Logging, connectedTo, Noise Management>
+<Crushing and Grinding, develops, Dust Control>
+<Crushing and Grinding, partOf, Crushing and Grinding>
+<Drilling and Blasting, connectedTo, Core Logging>
+<Dust Control, connectedTo, Equipment Maintenance>
+<Emergency Response Planning, connectedTo, Haulage>
+<Environmental Impact Assessment, connectedTo, Dust Control>
+<Equipment Maintenance, connectedTo, Underground Mining Operations>
+<Feasibility Study, regulates, Regulatory Compliance Reporting>
+<Geological Survey, connectedTo, Crushing and Grinding>
+<Geological Survey, partOf, Geological Survey>
+<Geotechnical Stability Analysis, connectedTo, Environmental Impact Assessment>
+<Haulage, connectedTo, Tailings Management>
+<Mine Closure Planning, connectedTo, Mine Planning>
+<Mine Closure Planning, connectedTo, Water Management>
+<Mine Dewatering, connectedTo, Core Logging>
+<Mine Dewatering, connectedTo, Drilling and Blasting>
+<Mine Planning, connectedTo, Emergency Response Planning>
+<Noise Management, automates, Geotechnical Stability Analysis>
+<Noise Management, connectedTo, Environmental Impact Assessment>
+<Noise Management, connectedTo, Equipment Maintenance>
+<Open Pit Mining Operations, connectedTo, Community Relations>
+<Open Pit Mining Operations, partOf, Open Pit Mining Operations>
+<Ore Extraction, connectedTo, Product Marketing>
+<Ore Extraction, connectedTo, Reclamation>
+<Ore Extraction, connectedTo, Remote Operations Center>
+<Product Marketing, connectedTo, Open Pit Mining Operations>
+<Product Marketing, partOf, Product Marketing>
+<Reclamation, connectedTo, Geological Survey>
+<Reclamation, partOf, Reclamation>
+<Regulatory Compliance Reporting, connectedTo, Energy Management>
+<Remote Operations Center, connectedTo, Core Logging>
+<Remote Operations Center, connectedTo, Environmental Impact Assessment>
+<Remote Operations Center, connectedTo, Equipment Maintenance>
+<Remote Operations Center, connectedTo, Mine Planning>
+<Remote Operations Center, connectedTo, Noise Management>
+<Tailings Management, connectedTo, Mine Dewatering>
+<Underground Mining Operations, connectedTo, Feasibility Study>
+<Water Management, connectedTo, Community Relations>
+<Water Management, connectedTo, Mine Planning>
diff --git a/train/graphviz/hard/graphviz_295.dot b/train/graphviz/hard/graphviz_295.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2db848c7a39daa7bb0f205d1f4ece74cb712c6a7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_295.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=LR
+	N0 [label=Exploration color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N1 [label="Ore Extraction" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N2 [label="Geological Survey" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N3 [label="Water Management" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N4 [label="Mineral Processing" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N5 [label="Mine Closure Planning" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N6 [label="Ore Sorting" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
+	N7 [label="Geotechnical Stability Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N8 [label="Crushing and Grinding" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	S0 [label="" color="#A2D0FF" fillcolor="#E8F0FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Tailings Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Asset Management" color="#C0CA33" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+		nest0_1 [label=Reclamation color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+		nest0_2 [label="Core Logging" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_3 [label="Regulatory Compliance Reporting" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=permits color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Dust Control" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Permit Acquisition" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+		nest1_1 [label="Community Relations" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+		nest1_2 [label="Equipment Maintenance" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+		nest1_3 [label="Drilling and Blasting" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [label=automates color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [label=analyzes color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest1_0 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N7 [label=explores color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [label=prices color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_295.txt b/train/graphviz/hard/graphviz_295.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a9c1125e182e9446ae3ade8aa42b3ca557272b3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_295.txt
@@ -0,0 +1,33 @@
+<Asset Management, connectedTo, Reclamation>
+<Asset Management, partOf, Asset Management>
+<Community Relations, automates, Equipment Maintenance>
+<Community Relations, partOf, Community Relations>
+<Core Logging, partOf, Core Logging>
+<Core Logging, permits, Regulatory Compliance Reporting>
+<Drilling and Blasting, explores, Geotechnical Stability Analysis>
+<Drilling and Blasting, partOf, Drilling and Blasting>
+<Equipment Maintenance, connectedTo, Drilling and Blasting>
+<Equipment Maintenance, partOf, Equipment Maintenance>
+<Exploration, connectedTo, Ore Extraction>
+<Geological Survey, connectedTo, Geotechnical Stability Analysis>
+<Geological Survey, connectedTo, Water Management>
+<Geotechnical Stability Analysis, connectedTo, Crushing and Grinding>
+<Mine Closure Planning, connectedTo, Geotechnical Stability Analysis>
+<Mine Closure Planning, connectedTo, Ore Sorting>
+<Mineral Processing, connectedTo, Mine Closure Planning>
+<Mineral Processing, connectedTo, Permit Acquisition>
+<Mineral Processing, prices, Geotechnical Stability Analysis>
+<Ore Extraction, connectedTo, Geological Survey>
+<Ore Sorting, analyzes, Asset Management>
+<Ore Sorting, connectedTo, Geotechnical Stability Analysis>
+<Permit Acquisition, connectedTo, Community Relations>
+<Permit Acquisition, partOf, Permit Acquisition>
+<Reclamation, connectedTo, Core Logging>
+<Reclamation, partOf, Reclamation>
+<Regulatory Compliance Reporting, connectedTo, Ore Extraction>
+<Regulatory Compliance Reporting, partOf, Regulatory Compliance Reporting>
+<Water Management, connectedTo, Crushing and Grinding>
+<Water Management, connectedTo, Geotechnical Stability Analysis>
+<Water Management, connectedTo, Mine Closure Planning>
+<Water Management, connectedTo, Mineral Processing>
+<Water Management, connectedTo, Ore Sorting>
diff --git a/train/graphviz/hard/graphviz_296.dot b/train/graphviz/hard/graphviz_296.dot
new file mode 100644
index 0000000000000000000000000000000000000000..79d9f6a7a6617b789b32c05f637dee698f7a9e03
--- /dev/null
+++ b/train/graphviz/hard/graphviz_296.dot
@@ -0,0 +1,71 @@
+digraph {
+	rankdir=RL
+	N0 [label="Community Relations" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Permit Acquisition" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N2 [label="Autonomous Haulage Systems" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N3 [label="Mine Planning" color="#FFC2C2" fillcolor="#FFEBEB" shape=Mdiamond style=filled]
+	N4 [label="Core Logging" color="#FFC2C2" fillcolor="#FFEBEB" shape=folder style=filled]
+	N5 [label=Exploration color="#9FA9E1" fillcolor="#D6D9F0" shape=Mdiamond style=filled]
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+	N9 [label="Environmental Impact Assessment" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
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+	N11 [label="Ore Sorting" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
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+	subgraph cluster_Group0 {
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+		nest0_0 [label="Resource Estimation" color="#BCB88A" fillcolor="#F5F5DC" shape=Mdiamond style=filled]
+		nest0_1 [label=Refining color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+		nest0_2 [label="Safety Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	}
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+		nest1_0 [label="Noise Management" color="#BCB88A" fillcolor="#F5F5DC" shape=octagon style=filled]
+		nest1_1 [label="Water Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+		nest1_2 [label="Mine Closure Planning" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+		nest1_3 [label="Dust Control" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N9 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N0 -> S2 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	S2 -> N4 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S2 -> N3 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N4 -> M2 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N7 -> M2 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N11 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_296.txt b/train/graphviz/hard/graphviz_296.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5106ee12a51b5da9cd5c8cc7a55b3d42e891038b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_296.txt
@@ -0,0 +1,38 @@
+<Asset Management, connectedTo, Ore Sorting>
+<Asset Management, restores, Drilling and Blasting>
+<Autonomous Haulage Systems, connectedTo, Asset Management>
+<Autonomous Haulage Systems, connectedTo, Mine Planning>
+<Autonomous Haulage Systems, connectedTo, Noise Management>
+<Community Relations, connectedTo, Core Logging>
+<Community Relations, connectedTo, Mine Planning>
+<Community Relations, connectedTo, Permit Acquisition>
+<Core Logging, connectedTo, Exploration>
+<Core Logging, connectedTo, Ore Sorting>
+<Drilling and Blasting, develops, Resource Estimation>
+<Drilling and Blasting, secures, Environmental Impact Assessment>
+<Dust Control, connectedTo, Reclamation>
+<Dust Control, partOf, Dust Control>
+<Environmental Impact Assessment, simulates, Reclamation>
+<Exploration, connectedTo, Asset Management>
+<Exploration, connectedTo, Ventilation System>
+<Mine Closure Planning, connectedTo, Dust Control>
+<Mine Closure Planning, partOf, Mine Closure Planning>
+<Mine Planning, connectedTo, Core Logging>
+<Mine Planning, connectedTo, Exploration>
+<Mine Planning, connectedTo, Ore Sorting>
+<Noise Management, connectedTo, Water Management>
+<Noise Management, partOf, Noise Management>
+<Permit Acquisition, connectedTo, Autonomous Haulage Systems>
+<Reclamation, reports, Ore Sorting>
+<Refining, connectedTo, Safety Management>
+<Refining, partOf, Refining>
+<Resource Estimation, connectedTo, Refining>
+<Resource Estimation, partOf, Resource Estimation>
+<Safety Management, connectedTo, Permit Acquisition>
+<Safety Management, partOf, Safety Management>
+<Ventilation System, connectedTo, Asset Management>
+<Ventilation System, connectedTo, Environmental Impact Assessment>
+<Ventilation System, connectedTo, Ore Sorting>
+<Ventilation System, connectedTo, Reclamation>
+<Water Management, connectedTo, Mine Closure Planning>
+<Water Management, partOf, Water Management>
diff --git a/train/graphviz/hard/graphviz_297.dot b/train/graphviz/hard/graphviz_297.dot
new file mode 100644
index 0000000000000000000000000000000000000000..45ceaf8e50638d304a44bc1f7bfc77db42b73ce4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_297.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=BT
+	N0 [label="Fisheries Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Vessel Maintenance" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Route Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
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+	N5 [label="Customs Clearance" color="#B0C5CD" fillcolor="#DFE7EB" shape=Mdiamond style=filled]
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+	N7 [label="Ship Design" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
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+	N9 [label="Port Congestion Management" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N10 [label="Fuel Consumption Optimization" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N11 [label="Terminal Management" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N12 [label="Port Operations" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N13 [label="Pollution Control" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_3.dot b/train/graphviz/hard/graphviz_3.dot
new file mode 100644
index 0000000000000000000000000000000000000000..009b6d385cc666e0f207fe0b2d121def3193ea31
--- /dev/null
+++ b/train/graphviz/hard/graphviz_3.dot
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+digraph {
+	rankdir=RL
+	N0 [label=Underwriting color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_3.txt b/train/graphviz/hard/graphviz_3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1da203afbe57cc1834c1593efd1e1f2c7e1df786
--- /dev/null
+++ b/train/graphviz/hard/graphviz_3.txt
@@ -0,0 +1,41 @@
+<Account Verification, connectedTo, Income Verification>
+<Account Verification, connectedTo, Payment Gateway Integration>
+<Asset Management, connectedTo, Fund Disbursement>
+<Asset Management, partOf, Asset Management>
+<Compliance Review, connectedTo, KYC Validation>
+<Credit Scoring, connectedTo, Account Verification>
+<Credit Scoring, connectedTo, Financial Advisory>
+<Credit Scoring, connectedTo, IPO Launch>
+<Credit Scoring, connectedTo, Income Verification>
+<Credit Scoring, connectedTo, Investment Planning>
+<Credit Scoring, connectedTo, Payment Gateway Integration>
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+<Financial Advisory, connectedTo, Risk Assessment>
+<Financial Advisory, connectedTo, Wealth Management>
+<Fraud Check, connectedTo, Income Verification>
+<Fraud Check, partOf, Fraud Check>
+<Fund Disbursement, connectedTo, Fraud Check>
+<Fund Disbursement, partOf, Fund Disbursement>
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+<IPO Launch, connectedTo, Income Verification>
+<IPO Launch, connectedTo, Payment Gateway Integration>
+<IPO Launch, connectedTo, Risk Assessment>
+<Income Verification, connectedTo, Investment Planning>
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+<Investment Planning, connectedTo, Portfolio Management>
+<KYC Validation, connectedTo, Credit Scoring>
+<KYC Validation, connectedTo, Income Verification>
+<KYC Validation, connectedTo, Payment Gateway Integration>
+<Loan Processing, connectedTo, Payment Gateway Integration>
+<Loan Processing, partOf, Loan Processing>
+<Market Analysis, connectedTo, Tax Preparation>
+<Market Analysis, partOf, Market Analysis>
+<Portfolio Management, connectedTo, Asset Management>
+<Portfolio Management, partOf, Portfolio Management>
+<Risk Assessment, connectedTo, Payment Gateway Integration>
+<Tax Preparation, connectedTo, Loan Processing>
+<Tax Preparation, partOf, Tax Preparation>
+<Underwriting, connectedTo, Compliance Review>
+<Underwriting, connectedTo, Payment Gateway Integration>
+<Wealth Management, analyzes, Market Analysis>
+<Wealth Management, partOf, Wealth Management>
diff --git a/train/graphviz/hard/graphviz_30.png b/train/graphviz/hard/graphviz_30.png
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_301.dot b/train/graphviz/hard/graphviz_301.dot
new file mode 100644
index 0000000000000000000000000000000000000000..91044a91b1f9695dcd4420903b6d005d05a90ab4
--- /dev/null
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+	N5 [label="Marine Research" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
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+	N7 [label="Offshore Operations" color="#BA68C8" fillcolor="#F3E5F5" shape=folder style=filled]
+	N8 [label="Cargo Loading" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N9 [label=Pilotage color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
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+		nest0_1 [label="Digitalization of Shipping" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+		nest0_2 [label="Dry Docking" color="#BA68C8" fillcolor="#F3E5F5" shape=Mdiamond style=filled]
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+		nest1_2 [label="Vessel Maintenance" color="#FFCC80" fillcolor="#FFF0CC" shape=Mdiamond style=filled]
+		nest1_3 [label="Subsea Cable Laying" color="#FFCC80" fillcolor="#FFF0CC" shape=plaintext style=filled]
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+	N7 -> S2 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
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+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M2 -> N3 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_301.txt b/train/graphviz/hard/graphviz_301.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2e19ad1d5634346cadd71e2838ee5f841ae2add6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_301.txt
@@ -0,0 +1,35 @@
+<Autonomous Vessels, connectedTo, Offshore Operations>
+<Cargo Loading, connectedTo, Pilotage>
+<Customs Clearance, connectedTo, Inland Waterway Transport>
+<Customs Clearance, connectedTo, Pollution Control>
+<Customs Clearance, connectedTo, Salvage Operations>
+<Digitalization of Shipping, connectedTo, Dry Docking>
+<Digitalization of Shipping, partOf, Digitalization of Shipping>
+<Dry Docking, connectedTo, Cargo Loading>
+<Dry Docking, partOf, Dry Docking>
+<Fleet Management, connectedTo, Maritime Security>
+<Fleet Management, partOf, Fleet Management>
+<Hydrographic Surveying, connectedTo, Digitalization of Shipping>
+<Hydrographic Surveying, partOf, Hydrographic Surveying>
+<Inland Waterway Transport, connectedTo, Fleet Management>
+<Inland Waterway Transport, connectedTo, Marine Research>
+<Marine Research, connectedTo, Autonomous Vessels>
+<Maritime Security, connectedTo, Vessel Maintenance>
+<Maritime Security, partOf, Maritime Security>
+<Offshore Operations, connectedTo, Cargo Loading>
+<Offshore Operations, connectedTo, Pilotage>
+<Offshore Operations, connectedTo, Port Congestion Management>
+<Pilotage, connectedTo, Port Congestion Management>
+<Pollution Control, connectedTo, Hydrographic Surveying>
+<Pollution Control, connectedTo, Inland Waterway Transport>
+<Salvage Operations, connectedTo, Autonomous Vessels>
+<Salvage Operations, connectedTo, Marine Research>
+<Salvage Operations, connectedTo, Port Congestion Management>
+<Salvage Operations, salvages, Pollution Control>
+<Subsea Cable Laying, connectedTo, Pilotage>
+<Subsea Cable Laying, partOf, Subsea Cable Laying>
+<Terminal Management, connectedTo, Pilotage>
+<Terminal Management, connectedTo, Pollution Control>
+<Terminal Management, responds, Customs Clearance>
+<Vessel Maintenance, connectedTo, Subsea Cable Laying>
+<Vessel Maintenance, partOf, Vessel Maintenance>
diff --git a/train/graphviz/hard/graphviz_302.txt b/train/graphviz/hard/graphviz_302.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ea6cc314b1143ba21f464c09b289246eb528b3e9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_302.txt
@@ -0,0 +1,38 @@
+<Autonomous Vessels, connectedTo, Cargo Loading>
+<Autonomous Vessels, partOf, Autonomous Vessels>
+<Cargo Loading, connectedTo, Pilotage>
+<Cargo Loading, partOf, Cargo Loading>
+<Container Tracking, connectedTo, Customs Clearance>
+<Container Tracking, partOf, Container Tracking>
+<Customs Clearance, connectedTo, Digitalization of Shipping>
+<Customs Clearance, partOf, Customs Clearance>
+<Digitalization of Shipping, connectedTo, Subsea Cable Laying>
+<Digitalization of Shipping, partOf, Digitalization of Shipping>
+<Dry Docking, connectedTo, Autonomous Vessels>
+<Dry Docking, partOf, Dry Docking>
+<Fisheries Management, connectedTo, Freight Forwarding>
+<Fleet Management, connectedTo, Container Tracking>
+<Fleet Management, connectedTo, Fisheries Management>
+<Inland Waterway Transport, connectedTo, Voyage Optimization>
+<Maritime Law Compliance, connectedTo, Dry Docking>
+<Maritime Law Compliance, partOf, Maritime Law Compliance>
+<Pilotage, connectedTo, Fleet Management>
+<Pilotage, connectedTo, Inland Waterway Transport>
+<Pilotage, connectedTo, Vessel Chartering>
+<Port Operations, connectedTo, Inland Waterway Transport>
+<Port Operations, connectedTo, Maritime Law Compliance>
+<Port Operations, connectedTo, Pilotage>
+<Port Operations, connectedTo, Voyage Optimization>
+<Salvage Operations, connectedTo, Fleet Management>
+<Salvage Operations, systems, Port Operations>
+<Search and Rescue Coordination, connectedTo, Fisheries Management>
+<Search and Rescue Coordination, connectedTo, Inland Waterway Transport>
+<Search and Rescue Coordination, connectedTo, Subsea Cable Laying>
+<Search and Rescue Coordination, connectedTo, Voyage Optimization>
+<Subsea Cable Laying, connectedTo, Inland Waterway Transport>
+<Vessel Chartering, connectedTo, Fleet Management>
+<Vessel Chartering, connectedTo, Inland Waterway Transport>
+<Vessel Chartering, connectedTo, Search and Rescue Coordination>
+<Voyage Optimization, connectedTo, Fisheries Management>
+<Voyage Optimization, connectedTo, Fleet Management>
+<Voyage Optimization, connectedTo, Freight Forwarding>
diff --git a/train/graphviz/hard/graphviz_305.txt b/train/graphviz/hard/graphviz_305.txt
new file mode 100644
index 0000000000000000000000000000000000000000..95142ef87d88a024b7dd0be869e9d37dd1fa2450
--- /dev/null
+++ b/train/graphviz/hard/graphviz_305.txt
@@ -0,0 +1,30 @@
+<Asteroid Mining Feasibility, connectedTo, Space Station Operations>
+<Asteroid Mining Feasibility, partOf, Asteroid Mining Feasibility>
+<Autonomous Rendezvous and Docking, connectedTo, Data Acquisition>
+<Autonomous Rendezvous and Docking, partOf, Autonomous Rendezvous and Docking>
+<Data Acquisition, connectedTo, Exoplanet Discovery>
+<Data Acquisition, partOf, Data Acquisition>
+<Deep Space Communications, connectedTo, Asteroid Mining Feasibility>
+<Deep Space Communications, connectedTo, International Collaboration>
+<Exoplanet Discovery, connectedTo, Autonomous Rendezvous and Docking>
+<Exoplanet Discovery, connectedTo, Ground Station Operations>
+<Ground Station Operations, connectedTo, Space Debris Mitigation>
+<International Collaboration, connectedTo, Mission Design>
+<International Collaboration, connectedTo, Space Debris Mitigation>
+<Launch Vehicle Integration, connectedTo, Payload Development>
+<Launch Vehicle Integration, partOf, Launch Vehicle Integration>
+<Life Support Systems, connectedTo, Exoplanet Discovery>
+<Life Support Systems, connectedTo, Ground Station Operations>
+<Life Support Systems, connectedTo, Mission Design>
+<Life Support Systems, connectedTo, Payload Development>
+<Life Support Systems, connectedTo, Space Debris Mitigation>
+<Mars Mission Planning, connectedTo, Life Support Systems>
+<Mars Mission Planning, connectedTo, Space Debris Mitigation>
+<Mission Design, connectedTo, Space Habitat Development>
+<Payload Development, connectedTo, Deep Space Communications>
+<Satellite Deployment, connectedTo, Launch Vehicle Integration>
+<Satellite Deployment, partOf, Satellite Deployment>
+<Space Habitat Development, connectedTo, Exoplanet Discovery>
+<Space Habitat Development, connectedTo, Space Debris Mitigation>
+<Space Station Operations, connectedTo, Satellite Deployment>
+<Space Station Operations, partOf, Space Station Operations>
diff --git a/train/graphviz/hard/graphviz_307.dot b/train/graphviz/hard/graphviz_307.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a1e32afcb047e4a11d23501aebf69e58c9d5b55b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_307.dot
@@ -0,0 +1,71 @@
+digraph {
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+	N15 [label="Orbital Mechanics" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
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+		nest1_1 -> nest1_2 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_308.txt b/train/graphviz/hard/graphviz_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1029dd1763a6a7dbe70e0d6aed7b6884c01f80b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_308.txt
@@ -0,0 +1,28 @@
+<Astrophysics Research, connectedTo, Exoplanet Discovery>
+<Astrophysics Research, partOf, Astrophysics Research>
+<Exoplanet Discovery, connectedTo, Interplanetary Trajectory Calculation>
+<Exoplanet Discovery, partOf, Exoplanet Discovery>
+<Extravehicular Activity Planning, collaborates, Mission Design>
+<Extravehicular Activity Planning, connectedTo, Interplanetary Trajectory Calculation>
+<Interplanetary Trajectory Calculation, connectedTo, New Space Technology Development>
+<Interplanetary Trajectory Calculation, connectedTo, Re_entry Vehicle Design>
+<Interplanetary Trajectory Calculation, connectedTo, Robotics for Space Exploration>
+<Interplanetary Trajectory Calculation, orbits, Space Debris Mitigation>
+<Launch Operations, connectedTo, Sample Return Missions>
+<Launch Vehicle Integration, connectedTo, Launch Operations>
+<Launch Vehicle Integration, connectedTo, New Space Technology Development>
+<Launch Vehicle Integration, connectedTo, Space Station Operations>
+<New Space Technology Development, connectedTo, Astrophysics Research>
+<New Space Technology Development, connectedTo, Orbital Mechanics>
+<Orbital Mechanics, connectedTo, Mission Design>
+<Re_entry Vehicle Design, connectedTo, New Space Technology Development>
+<Robotics for Space Exploration, connectedTo, Mission Design>
+<Robotics for Space Exploration, connectedTo, Re_entry Vehicle Design>
+<Sample Return Missions, connectedTo, Extravehicular Activity Planning>
+<Space Debris Mitigation, connectedTo, Space Weather Forecasting>
+<Space Debris Mitigation, partOf, Space Debris Mitigation>
+<Space Station Operations, connectedTo, Launch Operations>
+<Space Station Operations, connectedTo, Mission Design>
+<Space Station Operations, connectedTo, Orbital Mechanics>
+<Space Weather Forecasting, connectedTo, Robotics for Space Exploration>
+<Space Weather Forecasting, partOf, Space Weather Forecasting>
diff --git a/train/graphviz/hard/graphviz_309.txt b/train/graphviz/hard/graphviz_309.txt
new file mode 100644
index 0000000000000000000000000000000000000000..83d9a2178fbb25247ee3fe2835274450f28baa54
--- /dev/null
+++ b/train/graphviz/hard/graphviz_309.txt
@@ -0,0 +1,35 @@
+<Astronaut Training, partners, Launch Operations>
+<Astronaut Training, tests, Sample Return Missions>
+<Autonomous Rendezvous and Docking, connectedTo, Space Station Operations>
+<Autonomous Rendezvous and Docking, partOf, Autonomous Rendezvous and Docking>
+<Deep Space Communications, connectedTo, International Collaboration>
+<Deep Space Communications, connectedTo, Re_entry Vehicle Design>
+<Deep Space Communications, connectedTo, Sample Return Missions>
+<Ground Station Operations, connectedTo, Sample Return Missions>
+<Ground Station Operations, partOf, Ground Station Operations>
+<In_Situ Resource Utilization, connectedTo, Astronaut Training>
+<In_Situ Resource Utilization, connectedTo, Space Debris Mitigation>
+<Launch Operations, connectedTo, Rocket Propulsion Development>
+<Launch Operations, connectedTo, Sample Return Missions>
+<Launch Operations, connectedTo, Space Debris Mitigation>
+<Launch Operations, connectedTo, Space Weather Forecasting>
+<Life Support Systems, connectedTo, Deep Space Communications>
+<Life Support Systems, connectedTo, Planetary Science Research>
+<Planetary Science Research, monitors, Ground Station Operations>
+<Planetary Science Research, partOf, Planetary Science Research>
+<Re_entry Vehicle Design, connectedTo, Space Weather Forecasting>
+<Rocket Propulsion Development, connectedTo, Space Weather Forecasting>
+<Rocket Propulsion Development, explores, Space Debris Mitigation>
+<Sample Return Missions, connectedTo, Space Station Operations>
+<Satellite Deployment, connectedTo, Autonomous Rendezvous and Docking>
+<Satellite Deployment, partOf, Satellite Deployment>
+<Space Debris Mitigation, connectedTo, Life Support Systems>
+<Space Station Operations, connectedTo, Space Tourism Development>
+<Space Tourism Development, connectedTo, International Collaboration>
+<Space Tourism Development, innovates, Satellite Deployment>
+<Space Weather Forecasting, connectedTo, Sample Return Missions>
+<Telemetry Monitoring, connectedTo, In_Situ Resource Utilization>
+<Telemetry Monitoring, connectedTo, International Collaboration>
+<Telemetry Monitoring, connectedTo, Sample Return Missions>
+<Telemetry Monitoring, connectedTo, Space Tourism Development>
+<Telemetry Monitoring, connectedTo, Space Weather Forecasting>
diff --git a/train/graphviz/hard/graphviz_31.txt b/train/graphviz/hard/graphviz_31.txt
new file mode 100644
index 0000000000000000000000000000000000000000..32f2ef31a093b6b0213ee35b98def912df782c2f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_31.txt
@@ -0,0 +1,37 @@
+<Advisory Committee Meeting, connectedTo, Counseling Session>
+<Alumni Network Management, connectedTo, Course Selection>
+<Alumni Network Management, connectedTo, Faculty Recruitment>
+<Alumni Network Management, connectedTo, Field Trip Coordination>
+<Alumni Network Management, mentors, Club Registration>
+<Alumni Network Management, verifies, Library Registration>
+<Club Registration, connectedTo, Course Selection>
+<Counseling Session, connectedTo, Alumni Network Management>
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new file mode 100644
index 0000000000000000000000000000000000000000..ebd6fca428c455b86b4efd27df94b77313705357
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diff --git a/train/graphviz/hard/graphviz_311.dot b/train/graphviz/hard/graphviz_311.dot
new file mode 100644
index 0000000000000000000000000000000000000000..60b61c290b77572eb3b9389d16fb98aa4a58fd88
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diff --git a/train/graphviz/hard/graphviz_311.txt b/train/graphviz/hard/graphviz_311.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3814301f3fa3587631ccab5dfafd73942d3a4314
--- /dev/null
+++ b/train/graphviz/hard/graphviz_311.txt
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_312.txt b/train/graphviz/hard/graphviz_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..439a23afd5b809fede18605244a2251077590df3
--- /dev/null
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new file mode 100644
index 0000000000000000000000000000000000000000..88c1d2c47298302f4320c921a12952737ffe0a7a
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new file mode 100644
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new file mode 100644
index 0000000000000000000000000000000000000000..f56f45dd2ba6b74fc3a9c1157239f566c86882d4
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diff --git a/train/graphviz/hard/graphviz_337.txt b/train/graphviz/hard/graphviz_337.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9508c9c1321007f7c1bbfde5a58f153161ff34e1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_337.txt
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+<Reservoir Operation, connectedTo, Industrial Water Use Optimization>
+<Reservoir Operation, monitors, Groundwater Management>
+<Stormwater Management, connectedTo, Hydroelectric Power Generation>
+<Water Conservation Planning, connectedTo, Reservoir Operation>
+<Water Conservation Planning, connectedTo, Water Distribution>
+<Water Distribution, connectedTo, Pollution Source Identification>
+<Water Distribution, connectedTo, Reservoir Operation>
+<Water Infrastructure Maintenance, connectedTo, Hydroelectric Power Generation>
+<Water Infrastructure Maintenance, partOf, Water Infrastructure Maintenance>
+<Water Rights Management, connectedTo, Irrigation Management>
+<Water Rights Management, connectedTo, Water Conservation Planning>
+<Water Rights Management, connectedTo, Watershed Management>
+<Water Rights Management, treats, Reservoir Operation>
+<Water Source Identification, connectedTo, Water Rights Management>
+<Watershed Management, connectedTo, Water Infrastructure Maintenance>
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diff --git a/train/graphviz/hard/graphviz_339.dot b/train/graphviz/hard/graphviz_339.dot
new file mode 100644
index 0000000000000000000000000000000000000000..89218bbb2ec486820bf0474fd1e03afc87a7e0d8
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_339.txt b/train/graphviz/hard/graphviz_339.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8b27dc072ca4a8cba4377efa5edd4619ce1aae55
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_342.dot b/train/graphviz/hard/graphviz_342.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e02dbbf815b496ccae1efa4a9c7046f442f8cabf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_342.dot
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diff --git a/train/graphviz/hard/graphviz_342.txt b/train/graphviz/hard/graphviz_342.txt
new file mode 100644
index 0000000000000000000000000000000000000000..370eb06e0b33b72e241332b5bcb0ebf5d8ee1629
--- /dev/null
+++ b/train/graphviz/hard/graphviz_342.txt
@@ -0,0 +1,46 @@
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+<Aquifer Recharge, partOf, Aquifer Recharge>
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+<Drinking Water Standards Compliance, licenses, Dam Management>
+<Drought Management, connectedTo, Groundwater Management>
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+<Ecosystem Protection, connectedTo, Smart Water Networks>
+<Ecosystem Protection, connectedTo, Water Meter Reading>
+<Greywater Recycling, connectedTo, Ecosystem Protection>
+<Groundwater Management, connectedTo, Climate Change Adaptation for Water>
+<Hydroelectric Power Generation, connectedTo, Water Meter Reading>
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+<Irrigation Management, connectedTo, Groundwater Management>
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+<Rainwater Harvesting, partOf, Rainwater Harvesting>
+<Reservoir Operation, connectedTo, Dam Management>
+<Reservoir Operation, warns, Groundwater Management>
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+<Stormwater Management, connectedTo, Rainwater Harvesting>
+<Stormwater Management, connectedTo, Wastewater Collection>
+<Transboundary Water Management, connectedTo, Water Conservation Planning>
+<Transboundary Water Management, partOf, Transboundary Water Management>
+<Wastewater Collection, connectedTo, Aquifer Recharge>
+<Wastewater Collection, partOf, Wastewater Collection>
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+<Water Conservation Planning, partOf, Water Conservation Planning>
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+<Water Loss Detection, connectedTo, Drought Management>
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+<Water Loss Detection, responds, Water Distribution>
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+<Water Scarcity Mitigation, connectedTo, Drinking Water Standards Compliance>
+<Water Scarcity Mitigation, connectedTo, Water Meter Reading>
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diff --git a/train/graphviz/hard/graphviz_343.txt b/train/graphviz/hard/graphviz_343.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a9a7d0c48ced02ec90f12e7fea92541a70aef06
--- /dev/null
+++ b/train/graphviz/hard/graphviz_343.txt
@@ -0,0 +1,40 @@
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+<Agricultural Water Use Efficiency, connectedTo, Water Resource Planning>
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+<Billing and Revenue Management, connectedTo, Smart Water Networks>
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+<Climate Change Adaptation for Water, connectedTo, Water Rights Management>
+<Desalination, connectedTo, Agricultural Water Use Efficiency>
+<Desalination, partOf, Desalination>
+<Drought Management, connectedTo, Water Treatment>
+<Drought Management, partOf, Drought Management>
+<Environmental Flow Assessment, connectedTo, Drought Management>
+<Environmental Flow Assessment, partOf, Environmental Flow Assessment>
+<Groundwater Management, connectedTo, Piping Network Repair>
+<Groundwater Management, connectedTo, Water Infrastructure Maintenance>
+<Industrial Water Use Optimization, connectedTo, Water Meter Reading>
+<Industrial Water Use Optimization, partOf, Industrial Water Use Optimization>
+<Piping Network Repair, connectedTo, Sewer System Inspection>
+<Piping Network Repair, partOf, Piping Network Repair>
+<Reservoir Operation, connectedTo, Desalination>
+<Reservoir Operation, partOf, Reservoir Operation>
+<Sewer System Inspection, connectedTo, Environmental Flow Assessment>
+<Sewer System Inspection, partOf, Sewer System Inspection>
+<Wastewater Collection, connectedTo, Agricultural Water Use Efficiency>
+<Wastewater Collection, licenses, Climate Change Adaptation for Water>
+<Wastewater Treatment, connectedTo, Climate Change Adaptation for Water>
+<Wastewater Treatment, connectedTo, Water Rights Management>
+<Water Infrastructure Maintenance, connectedTo, Billing and Revenue Management>
+<Water Infrastructure Maintenance, connectedTo, Smart Water Networks>
+<Water Infrastructure Maintenance, connectedTo, Watershed Management>
+<Water Meter Reading, connectedTo, Reservoir Operation>
+<Water Meter Reading, partOf, Water Meter Reading>
+<Water Resource Planning, connectedTo, Climate Change Adaptation for Water>
+<Water Resource Planning, connectedTo, Smart Water Networks>
+<Water Resource Planning, connectedTo, Water Rights Management>
+<Water Resource Planning, monitors, Wastewater Treatment>
+<Water Rights Management, connectedTo, Groundwater Management>
+<Water Treatment, connectedTo, Smart Water Networks>
+<Watershed Management, connectedTo, Water Treatment>
diff --git a/train/graphviz/hard/graphviz_344.dot b/train/graphviz/hard/graphviz_344.dot
new file mode 100644
index 0000000000000000000000000000000000000000..191fe24a2056ceba753c0e8aa7929868fdd75baf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_344.dot
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+	S2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [label=allocates color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_345.dot b/train/graphviz/hard/graphviz_345.dot
new file mode 100644
index 0000000000000000000000000000000000000000..04aaf968d70d2dee6591e3f1565f5fbaf5cd6e0b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_345.dot
@@ -0,0 +1,61 @@
+digraph {
+	rankdir=RL
+	N0 [label="Energy Recovery from Non_Recyclables" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N1 [label="Electronic Waste Recycling" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N2 [label="Contamination Reduction" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N3 [label="Recycling Infrastructure Development" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N4 [label="Mechanical Recycling" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N5 [label="Plastic Recycling" color="#00BCD4" fillcolor="#E0F7FA" shape=plaintext style=filled]
+	N6 [label="Paper Recycling" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N7 [label="Material Collection" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N8 [label="Public Recycling Programs" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N9 [label="Cleaning and Processing" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N10 [label="Waste Stream Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+	N11 [label="Chemical Recycling" color="#9C27B0" fillcolor="#E1BEE7" shape=oval style=filled]
+	N12 [label="Closed_Loop Material Flow" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	S1 [label="" color="#9C27B0" fillcolor="#E1BEE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#9C27B0" fillcolor="#E1BEE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Battery Recycling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Recycling Facility Optimization" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+		nest0_1 [label="Product Design for Recyclability" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Recycling Education" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="New Product Manufacturing" color="#00BCD4" fillcolor="#E0F7FA" shape=octagon style=filled]
+		nest1_1 [label="Circular Economy Implementation" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+		nest1_2 [label="Deposit_Return Schemes" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+		nest1_0 -> nest1_1 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=treats color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest1_0 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> M0 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N12 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_348.txt b/train/graphviz/hard/graphviz_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af6912d02d0b5ccbc4d416a370eb7915d0480a13
--- /dev/null
+++ b/train/graphviz/hard/graphviz_348.txt
@@ -0,0 +1,39 @@
+<Chemical Recycling, connectedTo, New Product Manufacturing>
+<Chemical Recycling, partOf, Chemical Recycling>
+<Circular Economy Implementation, connectedTo, Chemical Recycling>
+<Circular Economy Implementation, partOf, Circular Economy Implementation>
+<Cleaning and Processing, collects, Contamination Reduction>
+<Commercial Recycling Solutions, connectedTo, Metal Recycling>
+<Composting Organic Waste, connectedTo, Commercial Recycling Solutions>
+<Composting Organic Waste, connectedTo, Metal Recycling>
+<Composting Organic Waste, connectedTo, Paper Recycling>
+<Composting Organic Waste, connectedTo, Public Recycling Programs>
+<Composting Organic Waste, connectedTo, Recycling Data Tracking>
+<Composting Organic Waste, connectedTo, Recycling Education>
+<Composting Organic Waste, connectedTo, Waste Stream Analysis>
+<Construction Waste Recycling, connectedTo, Cleaning and Processing>
+<Construction Waste Recycling, partOf, Construction Waste Recycling>
+<Contamination Reduction, connectedTo, Circular Economy Implementation>
+<Contamination Reduction, connectedTo, End_of_Life Product Management>
+<Contamination Reduction, connectedTo, Metal Recycling>
+<Contamination Reduction, connectedTo, Recycling Data Tracking>
+<End_of_Life Product Management, connectedTo, Recycling Data Tracking>
+<End_of_Life Product Management, connectedTo, Recycling Market Development>
+<End_of_Life Product Management, enforces, Metal Recycling>
+<Material Collection, connectedTo, Public Recycling Programs>
+<Material Purity Testing, connectedTo, Textile Recycling>
+<Material Purity Testing, partOf, Material Purity Testing>
+<New Product Manufacturing, connectedTo, Construction Waste Recycling>
+<New Product Manufacturing, partOf, New Product Manufacturing>
+<Paper Recycling, connectedTo, Recycling Education>
+<Public Recycling Programs, connectedTo, Paper Recycling>
+<Public Recycling Programs, manufactures, Metal Recycling>
+<Public Recycling Programs, verifies, Material Purity Testing>
+<Recycling Data Tracking, connectedTo, Commercial Recycling Solutions>
+<Recycling Education, connectedTo, Recycling Data Tracking>
+<Recycling Market Development, connectedTo, Composting Organic Waste>
+<Recycling Market Development, connectedTo, Recycling Data Tracking>
+<Textile Recycling, connectedTo, Contamination Reduction>
+<Textile Recycling, partOf, Textile Recycling>
+<Waste Audit for Recycling, connectedTo, Cleaning and Processing>
+<Waste Stream Analysis, connectedTo, Material Collection>
diff --git a/train/graphviz/hard/graphviz_349.dot b/train/graphviz/hard/graphviz_349.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3aa20d0e10d611271d8226795e83ba28a4e16d64
--- /dev/null
+++ b/train/graphviz/hard/graphviz_349.dot
@@ -0,0 +1,59 @@
+digraph {
+	rankdir=RL
+	N0 [label="End_of_Life Product Management" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Contamination Reduction" color="#E0E0E0" fillcolor="#EBEBEB" shape=oval style=filled]
+	N2 [label="Life Cycle Assessment" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N3 [label="Textile Recycling" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N4 [label="Recycling Market Development" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N5 [label="Plastic Recycling" color="#4CAF50" fillcolor="#C8E6C9" shape=oval style=filled]
+	N6 [label="Recycling Policy Advocacy" color="#E0E0E0" fillcolor="#EBEBEB" shape=Mdiamond style=filled]
+	N7 [label="Composting Organic Waste" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N8 [label="Industrial Recycling Programs" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	S1 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Product Design for Recyclability" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sorting and Segregation" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+		nest0_1 [label="Mechanical Recycling" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_2 [label="Collection Point Management" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+		nest0_3 [label="Closed_Loop Material Flow" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=tracks color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label=shreds color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Tyre Recycling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Recycling Infrastructure Development" color="#DCE775" fillcolor="#F9FBE7" shape=folder style=filled]
+		nest1_1 [label="Recycling Facility Optimization" color="#E0E0E0" fillcolor="#EBEBEB" shape=octagon style=filled]
+		nest1_2 [label="Cleaning and Processing" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N3 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest1_0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N3 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=classifies color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [label=sorts color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M2 -> N4 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_349.txt b/train/graphviz/hard/graphviz_349.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fd96245bccfb01dc1a6be2057e1ec2e1e90deede
--- /dev/null
+++ b/train/graphviz/hard/graphviz_349.txt
@@ -0,0 +1,32 @@
+<Cleaning and Processing, connectedTo, Textile Recycling>
+<Cleaning and Processing, partOf, Cleaning and Processing>
+<Closed_Loop Material Flow, connectedTo, Textile Recycling>
+<Closed_Loop Material Flow, partOf, Closed_Loop Material Flow>
+<Collection Point Management, partOf, Collection Point Management>
+<Collection Point Management, shreds, Closed_Loop Material Flow>
+<Composting Organic Waste, connectedTo, Industrial Recycling Programs>
+<Contamination Reduction, classifies, Recycling Policy Advocacy>
+<Contamination Reduction, connectedTo, Composting Organic Waste>
+<Contamination Reduction, connectedTo, Life Cycle Assessment>
+<Contamination Reduction, connectedTo, Plastic Recycling>
+<Contamination Reduction, connectedTo, Recycling Market Development>
+<Contamination Reduction, connectedTo, Sorting and Segregation>
+<End_of_Life Product Management, connectedTo, Contamination Reduction>
+<End_of_Life Product Management, connectedTo, Recycling Market Development>
+<Life Cycle Assessment, connectedTo, Textile Recycling>
+<Mechanical Recycling, connectedTo, Collection Point Management>
+<Mechanical Recycling, partOf, Mechanical Recycling>
+<Plastic Recycling, connectedTo, Recycling Policy Advocacy>
+<Plastic Recycling, sorts, Industrial Recycling Programs>
+<Recycling Facility Optimization, connectedTo, Cleaning and Processing>
+<Recycling Facility Optimization, partOf, Recycling Facility Optimization>
+<Recycling Infrastructure Development, connectedTo, Recycling Facility Optimization>
+<Recycling Infrastructure Development, partOf, Recycling Infrastructure Development>
+<Recycling Market Development, connectedTo, Industrial Recycling Programs>
+<Recycling Market Development, connectedTo, Plastic Recycling>
+<Recycling Policy Advocacy, connectedTo, Composting Organic Waste>
+<Recycling Policy Advocacy, connectedTo, Recycling Infrastructure Development>
+<Sorting and Segregation, partOf, Sorting and Segregation>
+<Sorting and Segregation, tracks, Mechanical Recycling>
+<Textile Recycling, audits, Recycling Market Development>
+<Textile Recycling, connectedTo, Industrial Recycling Programs>
diff --git a/train/graphviz/hard/graphviz_35.dot b/train/graphviz/hard/graphviz_35.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ea5778347cc7af5ecf771509510097b5a3cccf90
--- /dev/null
+++ b/train/graphviz/hard/graphviz_35.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=TD
+	N0 [label="Up_selling Offer" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Price Adjustment" color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+	N2 [label="User Account Management" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N3 [label="Mobile App Interaction" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N4 [label="Customer Segmentation" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N5 [label="Cart Abandonment" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N6 [label="Refund Process" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N7 [label="Inventory Update" color="#3F51B5" fillcolor="#C5CAE9" shape=Mdiamond style=filled]
+	N8 [label="Order Confirmation" color="#5C6BC0" fillcolor="#E8EAF6" shape=oval style=filled]
+	N9 [label="Delivery Tracking" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N10 [label="Marketing Campaign Launch" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N11 [label="Loyalty Points" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	S0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Fraud Detection" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+		nest0_1 [label="Return Merchandise Authorization" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+		nest0_2 [label="Promotion Application" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
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+		nest1_0 [label=Payment color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+		nest1_1 [label="Gift Card Purchase" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+}
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new file mode 100644
index 0000000000000000000000000000000000000000..fc1d4be12d4d0e5d2b0ec06a3ca72008659471c5
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new file mode 100644
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--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_376.dot b/train/graphviz/hard/graphviz_376.dot
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index 0000000000000000000000000000000000000000..6f1221c98c431609853e4119210846e0d14b194d
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+	}
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diff --git a/train/graphviz/hard/graphviz_382.dot b/train/graphviz/hard/graphviz_382.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2d7c1726eab7e9edd882777e50821184c102193
--- /dev/null
+++ b/train/graphviz/hard/graphviz_382.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=LR
+	N0 [label="Occupational Therapy" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N1 [label="Home Health Aide Services" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N2 [label="Telehealth for Seniors" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N3 [label="Care Plan Development" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N4 [label="Physical Therapy" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N5 [label="Legal Aid Referrals" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N6 [label=Companionship color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N7 [label="Dementia Care" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
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+	N11 [label="Family Communication" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_383.dot b/train/graphviz/hard/graphviz_383.dot
new file mode 100644
index 0000000000000000000000000000000000000000..603f9c5c8f1109a79d3cdbdf58140cd63a22fef4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_383.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=LR
+	N0 [label="Palliative Care" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
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+	N3 [label="Social Engagement Activities" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N4 [label="Health Monitoring" color="#FFB2A5" fillcolor="#FFDCD6" shape=parallelogram style=filled]
+	N5 [label="Dementia Care" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N6 [label="Occupational Therapy" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N7 [label="Mobility Support" color="#FFB2A5" fillcolor="#FFDCD6" shape=folder style=filled]
+	N8 [label="Physical Therapy" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N9 [label="Personal Care Assistance" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
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+		nest0_1 [label="Telehealth for Seniors" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+		nest0_2 [label="Speech Therapy" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+		nest0_3 [label="Emergency Response System Monitoring" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
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+		nest1_0 [label="Hospice Care Coordination" color="#FFB2A5" fillcolor="#FFDCD6" shape=oval style=filled]
+		nest1_1 [label="Long_Term Care Planning" color="#64B5F6" fillcolor="#E3F2FD" shape=oval style=filled]
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+	N1 -> M0 [label=coordinates color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_385.txt b/train/graphviz/hard/graphviz_385.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f9b4769855bedf49df6c8f971b04b032d1abe62
--- /dev/null
+++ b/train/graphviz/hard/graphviz_385.txt
@@ -0,0 +1,39 @@
+<Climate Change Adaptation for Disasters, connectedTo, Community Preparedness>
+<Climate Change Adaptation for Disasters, connectedTo, Debris Management>
+<Climate Change Adaptation for Disasters, connectedTo, Infrastructure Repair>
+<Communication Protocols, connectedTo, Information Dissemination>
+<Communication Protocols, partOf, Communication Protocols>
+<Community Preparedness, connectedTo, Shelter Management>
+<Damage Assessment, connectedTo, Infrastructure Repair>
+<Damage Assessment, connectedTo, Mitigation Strategies>
+<Debris Management, connectedTo, Emergency Drills and Exercises>
+<Drone Deployment for Assessment, connectedTo, Communication Protocols>
+<Drone Deployment for Assessment, connectedTo, Damage Assessment>
+<Drone Deployment for Assessment, connectedTo, Geographic Information Systems for Disasters>
+<Drone Deployment for Assessment, connectedTo, Infrastructure Repair>
+<Drone Deployment for Assessment, connectedTo, Logistics and Supply Chain>
+<Drone Deployment for Assessment, connectedTo, Risk Assessment>
+<Drone Deployment for Assessment, connectedTo, Satellite Imagery Analysis>
+<Economic Recovery Initiatives, connectedTo, Recovery Planning>
+<Economic Recovery Initiatives, partOf, Economic Recovery Initiatives>
+<Emergency Drills and Exercises, connectedTo, Community Preparedness>
+<Emergency Drills and Exercises, connectedTo, Risk Assessment>
+<Emergency Drills and Exercises, connectedTo, Satellite Imagery Analysis>
+<Emergency Drills and Exercises, connectedTo, Shelter Management>
+<Geographic Information Systems for Disasters, connectedTo, Economic Recovery Initiatives>
+<Geographic Information Systems for Disasters, partOf, Geographic Information Systems for Disasters>
+<Information Dissemination, connectedTo, Infrastructure Repair>
+<Information Dissemination, partOf, Information Dissemination>
+<Infrastructure Repair, connectedTo, Debris Management>
+<Logistics and Supply Chain, connectedTo, Community Preparedness>
+<Medical Aid Deployment, connectedTo, Infrastructure Repair>
+<Medical Aid Deployment, connectedTo, Resilience Building>
+<Mitigation Strategies, connectedTo, Policy and Legislation Review>
+<Policy and Legislation Review, connectedTo, Infrastructure Repair>
+<Policy and Legislation Review, connectedTo, Medical Aid Deployment>
+<Psychosocial Support, connectedTo, Drone Deployment for Assessment>
+<Recovery Planning, connectedTo, Emergency Drills and Exercises>
+<Recovery Planning, partOf, Recovery Planning>
+<Resilience Building, recovers, Climate Change Adaptation for Disasters>
+<Risk Assessment, connectedTo, Logistics and Supply Chain>
+<Satellite Imagery Analysis, connectedTo, Risk Assessment>
diff --git a/train/graphviz/hard/graphviz_386.dot b/train/graphviz/hard/graphviz_386.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a1c86765cb74ec39d0ff696df3d614e10b47f50d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_386.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=TD
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+	N1 [label="Cash Transfer Programs" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
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+	N3 [label="Resource Mobilization" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
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+	N13 [label="Capacity Building for Local Communities" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
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diff --git a/train/graphviz/hard/graphviz_390.txt b/train/graphviz/hard/graphviz_390.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4c387cdcfea1c16d719fc82f36a7b22f6f80f9c5
--- /dev/null
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new file mode 100644
index 0000000000000000000000000000000000000000..7344b205081f05e59a8578bcb90237a38e10efb7
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_396.txt b/train/graphviz/hard/graphviz_396.txt
new file mode 100644
index 0000000000000000000000000000000000000000..849fc42dd81a8ab82a10340e005c8ef7a6973ce5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_396.txt
@@ -0,0 +1,35 @@
+<Air Operations, connectedTo, Civil_Military Cooperation>
+<Air Operations, partOf, Air Operations>
+<Civil_Military Cooperation, connectedTo, Military Strategy Development>
+<Civil_Military Cooperation, partOf, Civil_Military Cooperation>
+<Counter_Terrorism Operations, connectedTo, Troop Deployment>
+<Crisis Management, connectedTo, Medical Support>
+<Crisis Management, connectedTo, Reconnaissance>
+<Crisis Management, connectedTo, Troop Deployment>
+<Defense Procurement, connectedTo, Air Operations>
+<Defense Procurement, partOf, Defense Procurement>
+<Demobilization, connectedTo, Crisis Management>
+<Demobilization, connectedTo, Defense Procurement>
+<Demobilization, connectedTo, Disaster Relief Deployment>
+<Demobilization, connectedTo, Medical Support>
+<Demobilization, researches, Counter_Terrorism Operations>
+<Electronic Warfare, connectedTo, Supply Chain Management>
+<Electronic Warfare, partOf, Electronic Warfare>
+<Joint Exercises, connectedTo, Recruitment>
+<Joint Exercises, partOf, Joint Exercises>
+<Medical Support, connectedTo, Counter_Terrorism Operations>
+<Military Law, connectedTo, Disaster Relief Deployment>
+<Military Law, connectedTo, Joint Exercises>
+<Military Strategy Development, connectedTo, Demobilization>
+<Reconnaissance, connectedTo, Counter_Terrorism Operations>
+<Reconnaissance, connectedTo, Disaster Relief Deployment>
+<Reconnaissance, connectedTo, Medical Support>
+<Reconnaissance, connectedTo, Military Law>
+<Reconnaissance, maps, Disaster Relief Deployment>
+<Recruitment, defends, Electronic Warfare>
+<Recruitment, partOf, Recruitment>
+<Supply Chain Management, connectedTo, Demobilization>
+<Supply Chain Management, partOf, Supply Chain Management>
+<Troop Deployment, equips, Military Law>
+<Unmanned Systems Operation, connectedTo, Disaster Relief Deployment>
+<Unmanned Systems Operation, connectedTo, Military Strategy Development>
diff --git a/train/graphviz/hard/graphviz_397.dot b/train/graphviz/hard/graphviz_397.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d53ed0b260203f3da3c38e42440179e1813e26c8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_397.dot
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+digraph {
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diff --git a/train/graphviz/hard/graphviz_399.dot b/train/graphviz/hard/graphviz_399.dot
new file mode 100644
index 0000000000000000000000000000000000000000..23b55b3c9f3a9156d004a62f4e3bd12522e05d4d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_399.dot
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+digraph {
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diff --git a/train/graphviz/hard/graphviz_399.png b/train/graphviz/hard/graphviz_399.png
new file mode 100644
index 0000000000000000000000000000000000000000..ecc309012b10ffba7e019979cc7134d422835e1f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_399.png
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+size 256788
diff --git a/train/graphviz/hard/graphviz_400.txt b/train/graphviz/hard/graphviz_400.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6e912a0c7399a1a06128fed3d961dd186e75cbd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_400.txt
@@ -0,0 +1,40 @@
+<Combat Operations, connectedTo, Force Projection>
+<Counter_Insurgency Operations, commands, Counter_Terrorism Operations>
+<Counter_Insurgency Operations, connectedTo, Combat Operations>
+<Counter_Insurgency Operations, connectedTo, Cyber Warfare Operations>
+<Counter_Insurgency Operations, connectedTo, Personnel Management>
+<Counter_Insurgency Operations, connectedTo, Recruitment>
+<Counter_Insurgency Operations, surveys, Recruitment>
+<Counter_Terrorism Operations, connectedTo, Combat Operations>
+<Cyber Warfare Operations, connectedTo, Personnel Management>
+<Cyber Warfare Operations, connectedTo, Recruitment>
+<Demobilization, connectedTo, Unmanned Systems Operation>
+<Demobilization, partOf, Demobilization>
+<Intelligence Gathering, connectedTo, Counter_Insurgency Operations>
+<Intelligence Gathering, connectedTo, Recruitment>
+<Joint Exercises, connectedTo, Demobilization>
+<Joint Exercises, partOf, Joint Exercises>
+<Logistics Support, connectedTo, Cyber Warfare Operations>
+<Logistics Support, connectedTo, Force Projection>
+<Logistics Support, connectedTo, Troop Deployment>
+<Logistics Support, connectedTo, Veteran Support>
+<Logistics Support, rescues, Recruitment>
+<Military Strategy Development, connectedTo, Personnel Management>
+<Military Strategy Development, partOf, Military Strategy Development>
+<Peacekeeping Missions, connectedTo, Military Strategy Development>
+<Peacekeeping Missions, partOf, Peacekeeping Missions>
+<Personnel Management, connectedTo, Joint Exercises>
+<Personnel Management, plans, Recruitment>
+<Recruitment, connectedTo, Combat Operations>
+<Recruitment, connectedTo, Force Projection>
+<Recruitment, connectedTo, Veteran Support>
+<Space Operations, connectedTo, Logistics Support>
+<Space Operations, connectedTo, Recruitment>
+<Space Operations, reconnoiters, Peacekeeping Missions>
+<Specialized Training, connectedTo, Counter_Terrorism Operations>
+<Specialized Training, partOf, Specialized Training>
+<Supply Chain Management, connectedTo, Space Operations>
+<Troop Deployment, connectedTo, Intelligence Gathering>
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+<Unmanned Systems Operation, partOf, Unmanned Systems Operation>
+<Veteran Support, connectedTo, Counter_Terrorism Operations>
diff --git a/train/graphviz/hard/graphviz_404.txt b/train/graphviz/hard/graphviz_404.txt
new file mode 100644
index 0000000000000000000000000000000000000000..97461b482e8acacf398e6cba177f964d17670164
--- /dev/null
+++ b/train/graphviz/hard/graphviz_404.txt
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+<Air Traffic Control, checks, Fleet Management>
+<Air Traffic Control, connectedTo, Aerospace Engineering>
+<Air Traffic Control, connectedTo, Engine Overhaul>
+<Air Traffic Control, connectedTo, Flight Planning>
+<Air Traffic Control, connectedTo, Regulatory Compliance>
+<Air Traffic Control, connectedTo, Weather Briefing>
+<Aircraft Maintenance, connectedTo, Runway Management>
+<Aircraft Maintenance, partOf, Aircraft Maintenance>
+<Airport Operations, connectedTo, Gate Assignment>
+<Airport Operations, partOf, Airport Operations>
+<Airport Security Management, connectedTo, Regulatory Compliance>
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diff --git a/train/graphviz/hard/graphviz_406.txt b/train/graphviz/hard/graphviz_406.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d2e3fc61d75ca5b38333da8496aae795e35b3f5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_406.txt
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+<Air Cargo Logistics, partOf, Air Cargo Logistics>
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+<Aircraft Maintenance, connectedTo, Passenger Boarding>
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+<Airspace Management, connectedTo, Aircraft Maintenance>
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diff --git a/train/graphviz/hard/graphviz_407.txt b/train/graphviz/hard/graphviz_407.txt
new file mode 100644
index 0000000000000000000000000000000000000000..61cc2b45d61f86f7073835e9e4e43f2bafb1060d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_407.txt
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+<Unmanned Aerial Vehicle Integration, connectedTo, Airport Security Management>
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new file mode 100644
index 0000000000000000000000000000000000000000..8c8eaa34607eae89aad99d5ff5618282b1e804cc
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diff --git a/train/graphviz/hard/graphviz_419.dot b/train/graphviz/hard/graphviz_419.dot
new file mode 100644
index 0000000000000000000000000000000000000000..15b9669f3e3b1f79127ef7bd2ac3352596986f23
--- /dev/null
+++ b/train/graphviz/hard/graphviz_419.dot
@@ -0,0 +1,64 @@
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diff --git a/train/graphviz/hard/graphviz_419.txt b/train/graphviz/hard/graphviz_419.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bdeeaa586410f71075609a30ca572d3cd34b5941
--- /dev/null
+++ b/train/graphviz/hard/graphviz_419.txt
@@ -0,0 +1,34 @@
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diff --git a/train/graphviz/hard/graphviz_42.dot b/train/graphviz/hard/graphviz_42.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cfd2be11efaf2c21184273e7d7f8267e9b2aafa9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_42.dot
@@ -0,0 +1,74 @@
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diff --git a/train/graphviz/hard/graphviz_420.txt b/train/graphviz/hard/graphviz_420.txt
new file mode 100644
index 0000000000000000000000000000000000000000..20209de0cabdd3eb56c71f4bdd8e63c233fe638c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_420.txt
@@ -0,0 +1,44 @@
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+<Nanofabrication Techniques, connectedTo, Drug Delivery Systems>
+<Nanofabrication Techniques, connectedTo, Graphene Production>
+<Nanoparticle Characterization, connectedTo, Photovoltaics>
+<Nanoparticle Characterization, connectedTo, Spectroscopy>
+<Nanoparticle Characterization, connectedTo, Transmission Electron Microscopy>
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+<Nanotoxicology, connectedTo, Spintronics>
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+<Public Perception of Nanotechnology, connectedTo, Risk Assessment of Nanomaterials>
+<Public Perception of Nanotechnology, partOf, Public Perception of Nanotechnology>
+<Risk Assessment of Nanomaterials, connectedTo, Nanotoxicology>
+<Risk Assessment of Nanomaterials, partOf, Risk Assessment of Nanomaterials>
+<Scanning Electron Microscopy, connectedTo, Nanoscale Imaging>
+<Scanning Electron Microscopy, partOf, Scanning Electron Microscopy>
+<Solar Cell Efficiency Enhancement, connectedTo, Spintronics>
+<Spectroscopy, connectedTo, Photovoltaics>
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+<Spintronics, connectedTo, Nanosensors>
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new file mode 100644
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+<Interfacing Classical and Quantum Computers, connectedTo, Quantum Computing Education>
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+<Material Science Simulations, connectedTo, Quantum Advantage Demonstration>
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+<Quantum Algorithm Development, connectedTo, Quantum Cloud Computing Services>
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+<Quantum Cloud Computing Services, connectedTo, Quantum Advantage Demonstration>
+<Quantum Cloud Computing Services, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Cloud Computing Services, connectedTo, Quantum Machine Learning>
+<Quantum Communication Protocols, manages, Cryogenic Systems for Qubits>
+<Quantum Communication Protocols, partOf, Quantum Communication Protocols>
+<Quantum Computing Education, connectedTo, Microwave Control for Qubits>
+<Quantum Computing Education, connectedTo, Quantum Circuit Design>
+<Quantum Machine Learning, connectedTo, Interfacing Classical and Quantum Computers>
+<Quantum Machine Learning, partOf, Quantum Machine Learning>
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+<Quantum Sensing, connectedTo, Quantum Processor Fabrication>
+<Quantum Simulation, connectedTo, Quantum Algorithm Development>
+<Trapped Ion Qubits, connectedTo, Quantum Communication Protocols>
+<Trapped Ion Qubits, partOf, Trapped Ion Qubits>
diff --git a/train/graphviz/hard/graphviz_434.dot b/train/graphviz/hard/graphviz_434.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e41a72578913be3a6d98e293b89832664a16396d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_434.dot
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+digraph {
+	rankdir=TD
+	N0 [label="Quantum Teleportation Research" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
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+	N4 [label="Quantum Cryptography" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N5 [label="Topological Qubits" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N6 [label="Quantum Programming Languages" color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+	N7 [label="Quantum Sensing" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N8 [label="Quantum Computing in Drug Discovery" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N9 [label="Trapped Ion Qubits" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N10 [label="Quantum Machine Learning" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N11 [label="Decoherence Mitigation" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	S0 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Post_Quantum Cryptography" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Laser Cooling for Ions" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest0_1 [label="Quantum Computing Benchmarking" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_1 [label="Optimization Problems with Quantum Annealing" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest1_2 [label="Quantum Hardware Control" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	}
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+}
diff --git a/train/graphviz/hard/graphviz_435.txt b/train/graphviz/hard/graphviz_435.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b9c012e1d260a25bc117294edb5c9b699a7285e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_435.txt
@@ -0,0 +1,32 @@
+<Cryogenic Systems for Qubits, connectedTo, Quantum Computing for AI>
+<Cryogenic Systems for Qubits, connectedTo, Quantum Simulation>
+<Cryogenic Systems for Qubits, connectedTo, Quantum Teleportation Research>
+<Cryogenic Systems for Qubits, connectedTo, Trapped Ion Qubits>
+<Decoherence Mitigation, connectedTo, Quantum Annealing>
+<Decoherence Mitigation, partOf, Decoherence Mitigation>
+<Microwave Control for Qubits, connectedTo, Quantum Cryptography>
+<Microwave Control for Qubits, partOf, Microwave Control for Qubits>
+<Optimization Problems with Quantum Annealing, connectedTo, Cryogenic Systems for Qubits>
+<Photonic Qubits, connectedTo, Quantum Bit Design>
+<Photonic Qubits, partOf, Photonic Qubits>
+<Quantum Annealing, connectedTo, Quantum Computing for AI>
+<Quantum Bit Design, connectedTo, Quantum Sensing>
+<Quantum Bit Design, partOf, Quantum Bit Design>
+<Quantum Cryptography, connectedTo, Decoherence Mitigation>
+<Quantum Cryptography, partOf, Quantum Cryptography>
+<Quantum Error Correction, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Machine Learning, connectedTo, Microwave Control for Qubits>
+<Quantum Machine Learning, connectedTo, Photonic Qubits>
+<Quantum Machine Learning, connectedTo, Quantum Annealing>
+<Quantum Machine Learning, connectedTo, Quantum Computing for AI>
+<Quantum Machine Learning, connectedTo, Quantum Supremacy Claims>
+<Quantum Machine Learning, connectedTo, Superconducting Qubits>
+<Quantum Processor Fabrication, connectedTo, Quantum Annealing>
+<Quantum Sensing, connectedTo, Quantum Computing for AI>
+<Quantum Sensing, partOf, Quantum Sensing>
+<Quantum Simulation, connectedTo, Quantum Processor Fabrication>
+<Quantum Supremacy Claims, connectedTo, Quantum Teleportation Research>
+<Quantum Teleportation Research, connectedTo, Quantum Computing for AI>
+<Quantum Teleportation Research, connectedTo, Quantum Simulation>
+<Superconducting Qubits, connectedTo, Quantum Supremacy Claims>
+<Trapped Ion Qubits, connectedTo, Quantum Machine Learning>
diff --git a/train/graphviz/hard/graphviz_437.txt b/train/graphviz/hard/graphviz_437.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52175379a18b9620a2b065785eec13adb2928e9f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_437.txt
@@ -0,0 +1,37 @@
+<Laser Cooling for Ions, connectedTo, Quantum Entanglement Generation>
+<Material Science Simulations, connectedTo, Quantum Supremacy Claims>
+<Microwave Control for Qubits, connectedTo, Quantum Processor Fabrication>
+<Optimization Problems with Quantum Annealing, connectedTo, Quantum Hardware Control>
+<Optimization Problems with Quantum Annealing, partOf, Optimization Problems with Quantum Annealing>
+<Photonic Qubits, connectedTo, Material Science Simulations>
+<Photonic Qubits, connectedTo, Microwave Control for Qubits>
+<Photonic Qubits, connectedTo, Quantum Algorithm Development>
+<Photonic Qubits, connectedTo, Quantum Coherence Management>
+<Photonic Qubits, connectedTo, Quantum Cryptography>
+<Quantum Advantage Demonstration, connectedTo, Quantum Bit Design>
+<Quantum Algorithm Development, connectedTo, Material Science Simulations>
+<Quantum Algorithm Development, connectedTo, Microwave Control for Qubits>
+<Quantum Algorithm Development, connectedTo, Quantum Annealing>
+<Quantum Annealing, connectedTo, Quantum Software Development Kit>
+<Quantum Annealing, partOf, Quantum Annealing>
+<Quantum Bit Design, connectedTo, Photonic Qubits>
+<Quantum Coherence Management, connectedTo, Quantum Cryptography>
+<Quantum Computing Benchmarking, connectedTo, Microwave Control for Qubits>
+<Quantum Computing Benchmarking, connectedTo, Quantum Processor Fabrication>
+<Quantum Computing Benchmarking, connectedTo, Superconducting Qubits>
+<Quantum Cryptography, connectedTo, Quantum Computing Benchmarking>
+<Quantum Entanglement Generation, connectedTo, Quantum Advantage Demonstration>
+<Quantum Hardware Control, connectedTo, Quantum Sensing>
+<Quantum Key Distribution, connectedTo, Microwave Control for Qubits>
+<Quantum Key Distribution, connectedTo, Quantum Coherence Management>
+<Quantum Processor Fabrication, connectedTo, Financial Modeling with Quantum Computing>
+<Quantum Sensing, connectedTo, Quantum Key Distribution>
+<Quantum Sensing, connectedTo, Vacuum Systems for Trapped Ions>
+<Quantum Software Development Kit, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Software Development Kit, partOf, Quantum Software Development Kit>
+<Quantum Supremacy Claims, connectedTo, Quantum Hardware Control>
+<Superconducting Qubits, connectedTo, Microwave Control for Qubits>
+<Trapped Ion Qubits, connectedTo, Quantum Cryptography>
+<Trapped Ion Qubits, partOf, Trapped Ion Qubits>
+<Vacuum Systems for Trapped Ions, connectedTo, Trapped Ion Qubits>
+<Vacuum Systems for Trapped Ions, partOf, Vacuum Systems for Trapped Ions>
diff --git a/train/graphviz/hard/graphviz_439.txt b/train/graphviz/hard/graphviz_439.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d3c75e160ba728c600443b3c0e365fc66c22bb2a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_439.txt
@@ -0,0 +1,42 @@
+<Cryogenic Systems for Qubits, connectedTo, Quantum Entanglement Generation>
+<Cryogenic Systems for Qubits, partOf, Cryogenic Systems for Qubits>
+<Interfacing Classical and Quantum Computers, connectedTo, Cryogenic Systems for Qubits>
+<Interfacing Classical and Quantum Computers, partOf, Interfacing Classical and Quantum Computers>
+<Laser Cooling for Ions, connectedTo, Photonic Qubits>
+<Laser Cooling for Ions, connectedTo, Quantum Circuit Design>
+<Laser Cooling for Ions, connectedTo, Quantum Machine Learning>
+<Laser Cooling for Ions, connectedTo, Quantum Teleportation Research>
+<Microwave Control for Qubits, connectedTo, Quantum Cloud Computing Services>
+<Microwave Control for Qubits, connectedTo, Quantum Communication Protocols>
+<Microwave Control for Qubits, connectedTo, Quantum Hardware Control>
+<Optimization Problems with Quantum Annealing, connectedTo, Laser Cooling for Ions>
+<Quantum Advantage Demonstration, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Circuit Design, connectedTo, Quantum Teleportation Research>
+<Quantum Cloud Computing Services, connectedTo, Quantum Circuit Design>
+<Quantum Cloud Computing Services, connectedTo, Quantum Entanglement Generation>
+<Quantum Communication Protocols, connectedTo, Quantum Cloud Computing Services>
+<Quantum Communication Protocols, connectedTo, Quantum Hardware Control>
+<Quantum Computing Benchmarking, connectedTo, Quantum Software Development Kit>
+<Quantum Computing for AI, connectedTo, Quantum Cryptography>
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+<Quantum Computing in Drug Discovery, connectedTo, Quantum Computing for AI>
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+<Quantum Cryptography, connectedTo, Trapped Ion Qubits>
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+<Quantum Entanglement Generation, connectedTo, Quantum Computing Benchmarking>
+<Quantum Hardware Control, connectedTo, Quantum Cloud Computing Services>
+<Quantum Key Distribution, connectedTo, Quantum Circuit Design>
+<Quantum Key Distribution, connectedTo, Quantum Sensing>
+<Quantum Machine Learning, connectedTo, Interfacing Classical and Quantum Computers>
+<Quantum Machine Learning, connectedTo, Quantum Circuit Design>
+<Quantum Sensing, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Sensing, optimizes, Quantum Simulation>
+<Quantum Simulation, connectedTo, Quantum Advantage Demonstration>
+<Quantum Software Development Kit, connectedTo, Quantum Key Distribution>
+<Quantum Teleportation Research, connectedTo, Photonic Qubits>
+<Trapped Ion Qubits, connectedTo, Microwave Control for Qubits>
+<Trapped Ion Qubits, connectedTo, Quantum Cloud Computing Services>
+<Trapped Ion Qubits, connectedTo, Quantum Hardware Control>
+<Vacuum Systems for Trapped Ions, connectedTo, Quantum Circuit Design>
+<Vacuum Systems for Trapped Ions, connectedTo, Quantum Hardware Control>
+<Vacuum Systems for Trapped Ions, connectedTo, Trapped Ion Qubits>
diff --git a/train/graphviz/hard/graphviz_44.txt b/train/graphviz/hard/graphviz_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..248c1f9792f1f69115691a53bf85f36031d4a823
--- /dev/null
+++ b/train/graphviz/hard/graphviz_44.txt
@@ -0,0 +1,38 @@
+<Accident Reconstruction, connectedTo, Weather Impact Assessment>
+<Boarding, connectedTo, Fare Calculation>
+<Boarding, connectedTo, Vehicle Assignment>
+<Customs Clearance, lands, Fleet Management>
+<Emergency Landing, connectedTo, Customs Clearance>
+<Emergency Landing, partOf, Emergency Landing>
+<Fare Calculation, connectedTo, Emergency Landing>
+<Fare Calculation, partOf, Fare Calculation>
+<Fleet Management, connectedTo, Boarding>
+<Fueling, connectedTo, Location Input>
+<Incident Report, connectedTo, Intermodal Transfer>
+<Incident Report, connectedTo, Public Transport Ticketing>
+<Incident Report, surveys, Customs Clearance>
+<Intermodal Transfer, connectedTo, Ticket Purchase>
+<Location Input, connectedTo, Customs Clearance>
+<Location Input, connectedTo, Fleet Management>
+<Location Input, connectedTo, Load Balancing>
+<Location Input, connectedTo, Vehicle Assignment>
+<Navigation Update, connectedTo, Intermodal Transfer>
+<Navigation Update, partOf, Navigation Update>
+<Public Transport Ticketing, connectedTo, Customs Clearance>
+<Public Transport Ticketing, connectedTo, Fleet Management>
+<Public Transport Ticketing, connectedTo, Intermodal Transfer>
+<Public Transport Ticketing, connectedTo, Weather Impact Assessment>
+<Ride_sharing Request, connectedTo, Navigation Update>
+<Ride_sharing Request, partOf, Ride_sharing Request>
+<Road Network Management, checks, Security Check>
+<Road Network Management, connectedTo, Customs Clearance>
+<Road Network Management, connectedTo, Intermodal Transfer>
+<Security Check, connectedTo, Fueling>
+<Security Check, connectedTo, Incident Report>
+<Security Check, connectedTo, Intermodal Transfer>
+<Security Check, connectedTo, Public Transport Ticketing>
+<Ticket Purchase, connectedTo, Accident Reconstruction>
+<Ticket Purchase, connectedTo, Customs Clearance>
+<Vehicle Assignment, connectedTo, Load Balancing>
+<Weather Impact Assessment, connectedTo, Fueling>
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diff --git a/train/graphviz/hard/graphviz_441.txt b/train/graphviz/hard/graphviz_441.txt
new file mode 100644
index 0000000000000000000000000000000000000000..efb34264215cb289e8c2f3f5a93a51427de70726
--- /dev/null
+++ b/train/graphviz/hard/graphviz_441.txt
@@ -0,0 +1,42 @@
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+<Headset Development, connectedTo, Hand Tracking and Interaction>
+<Headset Development, connectedTo, Remote Collaboration Tools>
+<Live Event Streaming in VR, connectedTo, Facial Recognition in AR or VR>
+<Live Event Streaming in VR, partOf, Live Event Streaming in VR>
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+<Neuro_VR Interfaces, connectedTo, Mixed Reality Solutions>
+<Neuro_VR Interfaces, connectedTo, Performance Optimization>
+<Neuro_VR Interfaces, connectedTo, User Interface Design>
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+<Software Development Kit Integration, connectedTo, Facial Recognition in AR or VR>
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+<Software Development Kit Integration, connectedTo, Headset Development>
+<Software Development Kit Integration, connectedTo, Performance Optimization>
+<Tracking System Calibration, connectedTo, Ethical Considerations in AR or VR>
+<Training Simulations, connectedTo, Virtual Tourism Experiences>
+<Training Simulations, partOf, Training Simulations>
+<User Interface Design, connectedTo, Performance Optimization>
+<User Interface Design, connectedTo, Remote Collaboration Tools>
+<Virtual Showrooms, connectedTo, Multiplayer Experience Design>
+<Virtual Tourism Experiences, connectedTo, Live Event Streaming in VR>
+<Virtual Tourism Experiences, partOf, Virtual Tourism Experiences>
diff --git a/train/graphviz/hard/graphviz_442.txt b/train/graphviz/hard/graphviz_442.txt
new file mode 100644
index 0000000000000000000000000000000000000000..47a4c95aee6d02f02a9da8627388cc8c16b5a9d8
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diff --git a/train/graphviz/hard/graphviz_443.txt b/train/graphviz/hard/graphviz_443.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6786037367c10b6a764eeba1e4484879f5514d1b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_443.txt
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diff --git a/train/graphviz/hard/graphviz_445.txt b/train/graphviz/hard/graphviz_445.txt
new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_446.txt b/train/graphviz/hard/graphviz_446.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a12870ad22a1b726552d9eb25d979442cda8497e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_446.txt
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diff --git a/train/graphviz/hard/graphviz_447.dot b/train/graphviz/hard/graphviz_447.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3c6aaa4b1b00418cc552304f6674754f976803be
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diff --git a/train/graphviz/hard/graphviz_447.txt b/train/graphviz/hard/graphviz_447.txt
new file mode 100644
index 0000000000000000000000000000000000000000..87037fbd9db23857c4bc7fc634738831619bf9ae
--- /dev/null
+++ b/train/graphviz/hard/graphviz_447.txt
@@ -0,0 +1,39 @@
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diff --git a/train/graphviz/hard/graphviz_448.dot b/train/graphviz/hard/graphviz_448.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e220c538f5865ba9979b1af709453278dd89bc30
--- /dev/null
+++ b/train/graphviz/hard/graphviz_448.dot
@@ -0,0 +1,62 @@
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diff --git a/train/graphviz/hard/graphviz_448.txt b/train/graphviz/hard/graphviz_448.txt
new file mode 100644
index 0000000000000000000000000000000000000000..22e42fa205b6bcda60cd41d9365526c9d0a70178
--- /dev/null
+++ b/train/graphviz/hard/graphviz_448.txt
@@ -0,0 +1,33 @@
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diff --git a/train/graphviz/hard/graphviz_451.dot b/train/graphviz/hard/graphviz_451.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5d18ea1384edac7f1ed0531e06c1f6d99f6d21e6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_451.dot
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diff --git a/train/graphviz/hard/graphviz_452.dot b/train/graphviz/hard/graphviz_452.dot
new file mode 100644
index 0000000000000000000000000000000000000000..247e0f5731db5bcac6820dccb576b7934847af17
--- /dev/null
+++ b/train/graphviz/hard/graphviz_452.dot
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+	N5 [label="Community Management" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N6 [label="Character Design" color="#BCB88A" fillcolor="#F5F5DC" shape=plaintext style=filled]
+	N7 [label="Voice Acting" color="#AF56A6" fillcolor="#DDCEDD" shape=octagon style=filled]
+	N8 [label="Quality Assurance Testing" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N9 [label="Game Engine Customization" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	S0 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#AF56A6" fillcolor="#DDCEDD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Game Performance Optimization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Multiplayer Game Development" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+		nest0_1 [label=Programming color="#AF56A6" fillcolor="#DDCEDD" shape=oval style=filled]
+		nest0_2 [label="In_Game Economy Design" color="#BCB88A" fillcolor="#F5F5DC" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Esports Event Organization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="User Experience Design" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+		nest1_1 [label="Console Game Development" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+		nest1_2 [label="Monetization Strategy" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+		nest1_3 [label="Narrative Design" color="#AF56A6" fillcolor="#DDCEDD" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=regulates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=designs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N8 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N7 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N8 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N6 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_457.txt b/train/graphviz/hard/graphviz_457.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df5b4fc71f554b98a78bf6919099a51e4fd251fd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_457.txt
@@ -0,0 +1,29 @@
+<Artist Management, connectedTo, Lyric Writing>
+<Artist Management, connectedTo, Synthesizer Programming>
+<Artist Management, produces, Lyric Writing>
+<Artist Management, promotes, Music Publishing>
+<Copyright Management, connectedTo, Merchandise Sales>
+<Fan Engagement Strategy, connectedTo, Sampling>
+<Fan Engagement Strategy, partOf, Fan Engagement Strategy>
+<Instrumental Performance, connectedTo, Fan Engagement Strategy>
+<Instrumental Performance, partOf, Instrumental Performance>
+<Lyric Writing, connectedTo, Synthesizer Programming>
+<Merchandise Sales, connectedTo, Music Education>
+<Merchandise Sales, connectedTo, Music Publishing>
+<Merchandise Sales, connectedTo, Sampling>
+<Merchandise Sales, streams, Performance>
+<Music Education, connectedTo, Instrumental Performance>
+<Music Education, partOf, Music Education>
+<Music Production, connectedTo, Songwriting>
+<Music Production, partOf, Music Production>
+<Music Publishing, connectedTo, Lyric Writing>
+<Performance, connectedTo, Music Production>
+<Performance, partOf, Performance>
+<Sampling, connectedTo, Lyric Writing>
+<Sampling, connectedTo, Streaming Platform Management>
+<Songwriting, connectedTo, Synthesizer Programming>
+<Songwriting, partOf, Songwriting>
+<Streaming Platform Management, connectedTo, Artist Management>
+<Streaming Platform Management, connectedTo, Lyric Writing>
+<Streaming Platform Management, connectedTo, Music Publishing>
+<Streaming Platform Management, funds, Lyric Writing>
diff --git a/train/graphviz/hard/graphviz_458.dot b/train/graphviz/hard/graphviz_458.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9ab6cc20d8ac4891b341923185acc3c3d6b4a1bf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_458.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=TD
+	N0 [label="Music Theory Analysis" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Streaming Platform Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N2 [label="Concert Promotion" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N3 [label="Record Label Operations" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N4 [label="Music Production" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N5 [label=Performance color="#FBC02D" fillcolor="#FFFDE7" shape=folder style=filled]
+	N6 [label="Sound Design for Media" color="#FBC02D" fillcolor="#FFFDE7" shape=Mdiamond style=filled]
+	N7 [label="A&R" color="#B0C5CD" fillcolor="#DFE7EB" shape=oval style=filled]
+	N8 [label=Composition color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N9 [label="Lyric Writing" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N10 [label=Recording color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N11 [label=Ticketing color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N12 [label="Audio Engineering" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N13 [label="Tour Management" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#7E57C2" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label=Mixing labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Music Video Production" color="#FBC02D" fillcolor="#FFFDE7" shape=oval style=filled]
+		nest0_1 [label=Mastering color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+		nest0_2 [label="Fan Engagement Strategy" color="#FBC02D" fillcolor="#FFFDE7" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Synthesizer Programming" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Music Festival Organization" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest1_1 [label="Music Distribution" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+		nest1_2 [label=Arrangement color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [label=analyzes color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
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+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N9 -> N10 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
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+	N11 -> N12 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [label=audits color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
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+	N1 -> nest1_0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N10 [label=produces color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label=mixes color="#7E57C2" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [label=integrates color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N13 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	S2 -> N7 [label=teaches color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N6 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [label=funds color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#FBC02D" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_46.dot b/train/graphviz/hard/graphviz_46.dot
new file mode 100644
index 0000000000000000000000000000000000000000..77786d4823bd1d7e9355d1aab669b8b50b93366c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_46.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=LR
+	N0 [label="Bus Stop Management" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N1 [label="Emergency Landing" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N2 [label="Traffic Monitoring" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N3 [label="Luggage Handling" color="#BA68C8" fillcolor="#F3E5F5" shape=octagon style=filled]
+	N4 [label="Weather Impact Assessment" color="#26A69A" fillcolor="#E0F2F1" shape=oval style=filled]
+	N5 [label="Route Diversion" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N6 [label="Ride_sharing Request" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N7 [label="Navigation Update" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N8 [label="Driver Allocation" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N9 [label="Air Traffic Control" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N10 [label="Maintenance Check" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N11 [label="Parking Management" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+	N12 [label="Passenger Feedback" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N13 [label="Load Balancing" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N14 [label="Bridge Inspection" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
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+	M1 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+		nest0_0 [label="Vehicle Tracking" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+		nest0_1 [label="Electric Vehicle Charging" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+		nest0_2 [label="Platform Assignment" color="#BA68C8" fillcolor="#F3E5F5" shape=plaintext style=filled]
+		nest0_3 [label="Accident Reconstruction" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [label=arrives color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Schedule Generation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Road Network Management" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+		nest1_1 [label="Ticket Purchase" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+		nest1_0 -> nest1_1 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N3 -> N4 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=books color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=permits color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
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+	N13 -> N14 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [label=assesses color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N12 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N13 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N11 [label=manages color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [label=alerts color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N9 -> S1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [label=boards color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_461.txt b/train/graphviz/hard/graphviz_461.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3b65066db4fcc94cfaffab2df1ecc3d883e55d0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_461.txt
@@ -0,0 +1,37 @@
+<A&R, connectedTo, Music Distribution>
+<Audio Engineering, connectedTo, Sound Design for Media>
+<Audio Engineering, sells, Music Distribution>
+<Beat Making, connectedTo, Songwriting>
+<Beat Making, partOf, Beat Making>
+<Concert Promotion, connectedTo, A&R>
+<Concert Promotion, connectedTo, Music Distribution>
+<Copyright Management, connectedTo, Music Production>
+<Crowdfunding for Music Projects, connectedTo, A&R>
+<Crowdfunding for Music Projects, connectedTo, Concert Promotion>
+<Crowdfunding for Music Projects, connectedTo, Instrumental Performance>
+<Crowdfunding for Music Projects, connectedTo, Music Distribution>
+<Crowdfunding for Music Projects, connectedTo, Sampling>
+<Crowdfunding for Music Projects, connectedTo, Sound System Design>
+<Digital Audio Workstation Operation, connectedTo, Copyright Management>
+<Instrumental Performance, connectedTo, Mastering>
+<Mastering, connectedTo, Concert Promotion>
+<Music Distribution, engineers, Digital Audio Workstation Operation>
+<Music Education, connectedTo, Audio Engineering>
+<Music Education, connectedTo, Mastering>
+<Music Production, connectedTo, Royalty Collection>
+<Music Production, connectedTo, Streaming Platform Management>
+<Music Theory Analysis, connectedTo, Instrumental Performance>
+<Music Theory Analysis, partOf, Music Theory Analysis>
+<Royalty Collection, connectedTo, Tour Management>
+<Royalty Collection, partOf, Royalty Collection>
+<Sampling, connectedTo, Instrumental Performance>
+<Songwriting, connectedTo, Music Theory Analysis>
+<Songwriting, partOf, Songwriting>
+<Sound Design for Media, connectedTo, Crowdfunding for Music Projects>
+<Sound Design for Media, connectedTo, Mastering>
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diff --git a/train/graphviz/hard/graphviz_473.dot b/train/graphviz/hard/graphviz_473.dot
new file mode 100644
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new file mode 100644
index 0000000000000000000000000000000000000000..4cb22c73890e06e59f4f260d52473a421b5376f6
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new file mode 100644
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new file mode 100644
index 0000000000000000000000000000000000000000..1d1c276549908b1dcc662785a173940d42816e76
--- /dev/null
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+<Partnership Marketing, guerilla marketing, Competitive Analysis>
+<Pricing Strategy, connectedTo, Content Marketing>
+<Promotional Campaigns, connectedTo, Lead Generation>
+<Promotional Campaigns, mobile marketing, Competitive Analysis>
+<Target Audience Identification, manages reputation, Customer Relationship Management>
+<Target Audience Identification, partOf, Target Audience Identification>
+<Website Design and Optimization, connectedTo, Affiliate Marketing>
diff --git a/train/graphviz/hard/graphviz_498.txt b/train/graphviz/hard/graphviz_498.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e59e0bf52159b8cc24dbb980d8b8da9471dc6abf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_498.txt
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+<A or B Testing for Marketing, connectedTo, Loyalty Programs>
+<A or B Testing for Marketing, partOf, A or B Testing for Marketing>
+<Brand Strategy Development, connectedTo, Public Relations>
+<Content Marketing, connectedTo, Brand Strategy Development>
+<Customer Relationship Management, connectedTo, Event Marketing>
+<Customer Relationship Management, partOf, Customer Relationship Management>
+<Event Marketing, manages reputation, A or B Testing for Marketing>
+<Event Marketing, partOf, Event Marketing>
+<Guerilla Marketing, connectedTo, Customer Relationship Management>
+<Guerilla Marketing, connectedTo, Influencer Marketing>
+<Guerilla Marketing, connectedTo, Personalization Strategies>
+<Guerilla Marketing, connectedTo, Search Engine Optimization>
+<Influencer Marketing, connectedTo, Personalization Strategies>
+<Loyalty Programs, connectedTo, Personalization Strategies>
+<Loyalty Programs, partOf, Loyalty Programs>
+<Marketing Analytics, connectedTo, Public Relations>
+<Marketing Analytics, partOf, Marketing Analytics>
+<Marketing Automation, connectedTo, Podcast Marketing>
+<Marketing Automation, connectedTo, Target Audience Identification>
+<Mobile Marketing, connectedTo, Product Launch Strategy>
+<Personalization Strategies, connectedTo, Content Marketing>
+<Personalization Strategies, connectedTo, Promotional Campaigns>
+<Product Launch Strategy, connectedTo, Podcast Marketing>
+<Promotional Campaigns, connectedTo, Marketing Analytics>
+<Promotional Campaigns, partOf, Promotional Campaigns>
+<Public Relations, connectedTo, Mobile Marketing>
+<Public Relations, connectedTo, Podcast Marketing>
+<Public Relations, connectedTo, Product Launch Strategy>
+<Search Engine Optimization, connectedTo, Influencer Marketing>
+<Search Engine Optimization, connectedTo, Personalization Strategies>
+<Target Audience Identification, connectedTo, Brand Strategy Development>
+<Target Audience Identification, connectedTo, Guerilla Marketing>
+<Target Audience Identification, connectedTo, Influencer Marketing>
+<Target Audience Identification, connectedTo, Mobile Marketing>
+<Target Audience Identification, connectedTo, Personalization Strategies>
+<Target Audience Identification, connectedTo, Public Relations>
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diff --git a/train/graphviz/hard/graphviz_499.txt b/train/graphviz/hard/graphviz_499.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7903b683cab610d1bf62d9cfbd8f931b270731a8
--- /dev/null
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+<A or B Testing for Marketing, connectedTo, Affiliate Marketing>
+<Direct Mail Marketing, connectedTo, A or B Testing for Marketing>
+<Email Marketing, connectedTo, Telemarketing>
+<Email Marketing, partOf, Email Marketing>
+<Event Marketing, connectedTo, Marketing Analytics>
+<Event Marketing, connectedTo, Promotional Campaigns>
+<Event Marketing, connectedTo, Search Engine Optimization>
+<Experiential Marketing, connectedTo, Search Engine Optimization>
+<Guerilla Marketing, partOf, Guerilla Marketing>
+<Guerilla Marketing, sets prices, Podcast Marketing>
+<Influencer Marketing, connectedTo, Email Marketing>
+<Influencer Marketing, connectedTo, Experiential Marketing>
+<Lead Generation, connectedTo, Event Marketing>
+<Marketing Analytics, connectedTo, Influencer Marketing>
+<Marketing Analytics, connectedTo, Mobile Marketing>
+<Mobile Marketing, connectedTo, A or B Testing for Marketing>
+<Mobile Marketing, connectedTo, Affiliate Marketing>
+<Mobile Marketing, connectedTo, Direct Mail Marketing>
+<Podcast Marketing, connectedTo, A or B Testing for Marketing>
+<Podcast Marketing, partOf, Podcast Marketing>
+<Product Launch Strategy, connectedTo, Mobile Marketing>
+<Product Launch Strategy, sends emails, Direct Mail Marketing>
+<Product Launch Strategy, video marketing, Affiliate Marketing>
+<Promotional Campaigns, connectedTo, Guerilla Marketing>
+<Promotional Campaigns, connectedTo, Marketing Analytics>
+<Promotional Campaigns, connectedTo, Mobile Marketing>
+<Search Engine Optimization, enhances experiences, Product Launch Strategy>
+<Telemarketing, connectedTo, Marketing Analytics>
+<Telemarketing, partOf, Telemarketing>
diff --git a/train/graphviz/hard/graphviz_5.dot b/train/graphviz/hard/graphviz_5.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9ec515711a758580fe2dc0ff6ca57fb63cdb8266
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diff --git a/train/graphviz/hard/graphviz_5.txt b/train/graphviz/hard/graphviz_5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5b9a9466bfe84e7b023e178c3ca30dab16a1fa5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_5.txt
@@ -0,0 +1,42 @@
+<AML Screening, connectedTo, Approval Decision>
+<AML Screening, partOf, AML Screening>
+<Account Closure, connectedTo, Transaction Audit>
+<Account Closure, manages, Forex Trading>
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+<Approval Decision, partOf, Approval Decision>
+<Asset Management, connectedTo, Financial Reporting>
+<Asset Management, connectedTo, Payment Gateway Integration>
+<Budgeting Analysis, approves, Wealth Management>
+<Credit Card Application, connectedTo, Treasury Management>
+<Debt Collection, connectedTo, Mortgage Application>
+<Debt Collection, partOf, Debt Collection>
+<Financial Reporting, connectedTo, Portfolio Management>
+<Forex Trading, connectedTo, Financial Reporting>
+<Forex Trading, connectedTo, Securities Trading>
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+<Investment Planning, connectedTo, Budgeting Analysis>
+<Investment Planning, connectedTo, Market Analysis>
+<Investment Planning, connectedTo, Portfolio Management>
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+<KYC Validation, connectedTo, Risk Assessment>
+<Loan Processing, connectedTo, Asset Management>
+<Loan Processing, partOf, Loan Processing>
+<Market Analysis, connectedTo, Credit Card Application>
+<Merger and Acquisition, connectedTo, Financial Reporting>
+<Merger and Acquisition, connectedTo, KYC Validation>
+<Merger and Acquisition, connectedTo, Portfolio Management>
+<Mortgage Application, connectedTo, AML Screening>
+<Mortgage Application, partOf, Mortgage Application>
+<Payment Gateway Integration, connectedTo, Account Closure>
+<Risk Assessment, connectedTo, Tax Preparation>
+<Securities Trading, connectedTo, Market Analysis>
+<Tax Preparation, connectedTo, Asset Management>
+<Transaction Audit, connectedTo, Loan Processing>
+<Transaction Audit, partOf, Transaction Audit>
+<Treasury Management, connectedTo, Financial Reporting>
+<Treasury Management, connectedTo, Portfolio Management>
+<Wealth Management, connectedTo, Credit Card Application>
+<Wealth Management, connectedTo, Debt Collection>
+<Wealth Management, connectedTo, KYC Validation>
+<Wealth Management, connectedTo, Merger and Acquisition>
+<Wealth Management, connectedTo, Portfolio Management>
diff --git a/train/graphviz/hard/graphviz_50.dot b/train/graphviz/hard/graphviz_50.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9de930bb1a657c03fb9710483b843c5b36e505c9
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diff --git a/train/graphviz/hard/graphviz_500.txt b/train/graphviz/hard/graphviz_500.txt
new file mode 100644
index 0000000000000000000000000000000000000000..02f90535c3cef60785784d2a4accde5264f1281d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_500.txt
@@ -0,0 +1,36 @@
+<Brand Reputation Management, connectedTo, Remarketing Campaigns>
+<Campaign Performance Tracking, connectedTo, Content Marketing>
+<Competitive Analysis, connectedTo, Customer Relationship Management>
+<Competitive Analysis, partOf, Competitive Analysis>
+<Content Marketing, connectedTo, Podcast Marketing>
+<Customer Relationship Management, connectedTo, Campaign Performance Tracking>
+<Direct Mail Marketing, connectedTo, Pricing Strategy>
+<Direct Mail Marketing, partOf, Direct Mail Marketing>
+<Distribution Channel Management, connectedTo, Influencer Marketing>
+<Distribution Channel Management, connectedTo, Marketing Automation>
+<Distribution Channel Management, connectedTo, Podcast Marketing>
+<Guerilla Marketing, connectedTo, Content Marketing>
+<Guerilla Marketing, connectedTo, Customer Relationship Management>
+<Guerilla Marketing, connectedTo, Product Launch Strategy>
+<Guerilla Marketing, connectedTo, Search Engine Optimization>
+<Influencer Marketing, connectedTo, Guerilla Marketing>
+<Influencer Marketing, connectedTo, Podcast Marketing>
+<Marketing Automation, connectedTo, Marketing Budget Allocation>
+<Marketing Automation, partOf, Marketing Automation>
+<Marketing Budget Allocation, guerilla marketing, Public Relations>
+<Marketing Budget Allocation, partOf, Marketing Budget Allocation>
+<Mobile Marketing, manages reputation, Search Engine Optimization>
+<Podcast Marketing, connectedTo, Direct Mail Marketing>
+<Podcast Marketing, connectedTo, Mobile Marketing>
+<Pricing Strategy, connectedTo, Podcast Marketing>
+<Pricing Strategy, partOf, Pricing Strategy>
+<Product Launch Strategy, connectedTo, Marketing Analytics>
+<Public Relations, connectedTo, Competitive Analysis>
+<Public Relations, partOf, Public Relations>
+<Remarketing Campaigns, connectedTo, Target Audience Identification>
+<Search Engine Optimization, connectedTo, Product Launch Strategy>
+<Target Audience Identification, connectedTo, Content Marketing>
+<Target Audience Identification, connectedTo, Customer Relationship Management>
+<Target Audience Identification, connectedTo, Podcast Marketing>
+<Target Audience Identification, tele_sells, Distribution Channel Management>
+<Video Marketing, tracks performance, Brand Reputation Management>
diff --git a/train/graphviz/hard/graphviz_501.dot b/train/graphviz/hard/graphviz_501.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4fd512a1bc962345f540782a3657b6f72ef74e09
--- /dev/null
+++ b/train/graphviz/hard/graphviz_501.dot
@@ -0,0 +1,79 @@
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diff --git a/train/graphviz/hard/graphviz_502.dot b/train/graphviz/hard/graphviz_502.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c4cdb7decb3258d718792f074ad8944ab5d7fc70
--- /dev/null
+++ b/train/graphviz/hard/graphviz_502.dot
@@ -0,0 +1,78 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_502.txt b/train/graphviz/hard/graphviz_502.txt
new file mode 100644
index 0000000000000000000000000000000000000000..32372bfb0dc776af43a252f72977d4f10a15d120
--- /dev/null
+++ b/train/graphviz/hard/graphviz_502.txt
@@ -0,0 +1,40 @@
+<A or B Testing for Marketing, connectedTo, Conversion Rate Optimization>
+<A or B Testing for Marketing, connectedTo, Distribution Channel Management>
+<A or B Testing for Marketing, connectedTo, Email Marketing>
+<A or B Testing for Marketing, connectedTo, Lead Generation>
+<A or B Testing for Marketing, connectedTo, Marketing Budget Allocation>
+<A or B Testing for Marketing, connectedTo, Remarketing Campaigns>
+<A or B Testing for Marketing, connectedTo, Video Marketing>
+<Affiliate Marketing, connectedTo, Marketing Automation>
+<Competitive Analysis, connectedTo, Customer Relationship Management>
+<Competitive Analysis, connectedTo, Product Launch Strategy>
+<Conversion Rate Optimization, connectedTo, Email Marketing>
+<Customer Relationship Management, connectedTo, A or B Testing for Marketing>
+<Distribution Channel Management, connectedTo, Marketing Budget Allocation>
+<Email Marketing, connectedTo, Loyalty Programs>
+<Event Marketing, connectedTo, Conversion Rate Optimization>
+<Event Marketing, connectedTo, Email Marketing>
+<Experiential Marketing, connectedTo, A or B Testing for Marketing>
+<Experiential Marketing, partOf, Experiential Marketing>
+<Lead Generation, handles PR, Affiliate Marketing>
+<Loyalty Programs, connectedTo, Lead Generation>
+<Market Research, connectedTo, Competitive Analysis>
+<Market Research, connectedTo, Email Marketing>
+<Market Research, connectedTo, Pricing Strategy>
+<Market Research, connectedTo, Search Engine Optimization>
+<Marketing Automation, connectedTo, Remarketing Campaigns>
+<Marketing Budget Allocation, connectedTo, Event Marketing>
+<Partnership Marketing, connectedTo, Search Engine Optimization>
+<Partnership Marketing, partOf, Partnership Marketing>
+<Pricing Strategy, connectedTo, Search Engine Marketing>
+<Pricing Strategy, partOf, Pricing Strategy>
+<Product Launch Strategy, connectedTo, Experiential Marketing>
+<Product Launch Strategy, partOf, Product Launch Strategy>
+<Search Engine Marketing, connectedTo, Partnership Marketing>
+<Search Engine Marketing, partOf, Search Engine Marketing>
+<Search Engine Optimization, connectedTo, Competitive Analysis>
+<Social Media Marketing, connectedTo, A or B Testing for Marketing>
+<Social Media Marketing, connectedTo, Competitive Analysis>
+<Social Media Marketing, connectedTo, Remarketing Campaigns>
+<Social Media Marketing, manages reputation, Market Research>
+<Video Marketing, connectedTo, Distribution Channel Management>
diff --git a/train/graphviz/hard/graphviz_503.png b/train/graphviz/hard/graphviz_503.png
new file mode 100644
index 0000000000000000000000000000000000000000..f43dc4d76b48ea634d10be3091d65addf8c674e8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_503.png
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index 0000000000000000000000000000000000000000..478fc041bbe624140362a776aacaace326e1e1ca
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diff --git a/train/graphviz/hard/graphviz_507.dot b/train/graphviz/hard/graphviz_507.dot
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index 0000000000000000000000000000000000000000..3dd41c82d2bd5ac642856c8565d7dfa023a3b2cd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_507.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=RL
+	N0 [label="Outdoor Advertising" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N1 [label="Media Buying" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N2 [label="Ad Analytics Reporting" color="#E91E63" fillcolor="#FCE4EC" shape=Mdiamond style=filled]
+	N3 [label="Budget Management" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N4 [label="Performance Tracking" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N5 [label="Return on Ad Spend Calculation" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N6 [label="Radio Advertising" color="#2196F3" fillcolor="#BBDEFB" shape=oval style=filled]
+	N7 [label="Programmatic Advertising" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N8 [label="Search Engine Ads" color="#795548" fillcolor="#D7CCC8" shape=folder style=filled]
+	N9 [label="Psychographic Targeting" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N10 [label="Ad Placement Optimization" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N11 [label="Video Advertising" color="#2196F3" fillcolor="#BBDEFB" shape=oval style=filled]
+	N12 [label="Competitor Ad Analysis" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N13 [label="Ad Copywriting" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N14 [label="Conversion Tracking" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
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+		nest0_3 [label="Audience Segmentation for Ads" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
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+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Visual Design for Ads" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest1_1 [label="Ad Network Management" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+		nest1_2 [label="Demographic Targeting" color="#795548" fillcolor="#D7CCC8" shape=plaintext style=filled]
+		nest1_3 [label="Digital Advertising" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [label="plans campaigns" color="#E91E63" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [label="monitors competitors" color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N1 -> N2 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
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+	N10 -> N11 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label="search ads" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
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+	N5 -> S2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [label="targets demographics" color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_508.txt b/train/graphviz/hard/graphviz_508.txt
new file mode 100644
index 0000000000000000000000000000000000000000..252b167a75ab190d69389fb669f82771ff64c783
--- /dev/null
+++ b/train/graphviz/hard/graphviz_508.txt
@@ -0,0 +1,34 @@
+<A or B Testing for Ads, outdoor ads, Campaign Planning>
+<A or B Testing for Ads, partOf, A or B Testing for Ads>
+<Ad Network Management, connectedTo, Competitor Ad Analysis>
+<Ad Network Management, partOf, Ad Network Management>
+<Ad Platform Management, connectedTo, Audience Targeting>
+<Ad Platform Management, connectedTo, Performance Tracking>
+<Audience Targeting, connectedTo, A or B Testing for Ads>
+<Audience Targeting, partOf, Audience Targeting>
+<Campaign Planning, connectedTo, Conversion Tracking>
+<Campaign Planning, partOf, Campaign Planning>
+<Competitor Ad Analysis, connectedTo, Ad Platform Management>
+<Competitor Ad Analysis, partOf, Competitor Ad Analysis>
+<Conversion Tracking, connectedTo, Media Buying>
+<Conversion Tracking, connectedTo, Performance Tracking>
+<Conversion Tracking, connectedTo, Social Media Ads>
+<Conversion Tracking, creates ads, Landing Page Optimization>
+<Digital Advertising, connectedTo, Ad Platform Management>
+<Digital Advertising, connectedTo, Search Engine Ads>
+<Digital Advertising, connectedTo, Social Media Ads>
+<Direct Response Campaigns, connectedTo, Media Buying>
+<Landing Page Optimization, connectedTo, Retargeting Campaigns>
+<Landing Page Optimization, connectedTo, Social Media Ads>
+<Media Buying, connectedTo, Search Engine Ads>
+<Performance Tracking, connectedTo, Direct Response Campaigns>
+<Regulatory Compliance for Ads, connectedTo, Conversion Tracking>
+<Regulatory Compliance for Ads, connectedTo, Social Media Ads>
+<Retargeting Campaigns, connectedTo, Ad Network Management>
+<Retargeting Campaigns, connectedTo, Digital Advertising>
+<Retargeting Campaigns, connectedTo, Social Media Ads>
+<Search Engine Ads, connectedTo, Visual Design for Ads>
+<Social Media Ads, connectedTo, Ad Platform Management>
+<Social Media Ads, connectedTo, Direct Response Campaigns>
+<Social Media Ads, connectedTo, Media Buying>
+<Social Media Ads, connectedTo, Performance Tracking>
diff --git a/train/graphviz/hard/graphviz_51.dot b/train/graphviz/hard/graphviz_51.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5db688f25a806b637aefeedad9f15fde8635f7b2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_51.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=LR
+	N0 [label="Fuel Delivery" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N1 [label="Transmission Line Maintenance" color="#FF5722" fillcolor="#FFCCBC" shape=octagon style=filled]
+	N2 [label="Renewable Integration" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N3 [label="Consumption Logging" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N4 [label="Energy Market Analysis" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N5 [label="Energy Storage" color="#E57373" fillcolor="#FFEBEE" shape=folder style=filled]
+	N6 [label="Solar Panel Installation" color="#FF5722" fillcolor="#FFCCBC" shape=folder style=filled]
+	N7 [label="Grid Balancing" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N8 [label="Demand Forecast" color="#E57373" fillcolor="#FFEBEE" shape=octagon style=filled]
+	N9 [label="Load Distribution" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N10 [label="Pipeline Monitoring" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N11 [label="Carbon Capture" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N12 [label="Sensor Reading" color="#FF5722" fillcolor="#FFCCBC" shape=octagon style=filled]
+	N13 [label="Alert Dispatch" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N14 [label="Usage Billing" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	S0 [label="" color="#FF5722" fillcolor="#FFCCBC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph cluster_Group0 {
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+		nest0_0 [label="Transformer Station" color="#E91E63" fillcolor="#F8BBD0" shape=Mdiamond style=filled]
+		nest0_1 [label="Cybersecurity for Grid" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+		nest0_2 [label="Power Plant" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="Oil and Gas Exploration" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+		nest1_1 [label="Distributed Generation Management" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+		nest1_2 [label="Grid Modernization" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+		nest1_3 [label="Energy Efficiency Audit" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N8 -> M2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M2 -> N11 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_51.txt b/train/graphviz/hard/graphviz_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..95d4ef4ebb5fced86f11d53cc0d35c6fe58ba929
--- /dev/null
+++ b/train/graphviz/hard/graphviz_51.txt
@@ -0,0 +1,41 @@
+<Alert Dispatch, connectedTo, Oil and Gas Exploration>
+<Alert Dispatch, connectedTo, Usage Billing>
+<Carbon Capture, connectedTo, Sensor Reading>
+<Consumption Logging, connectedTo, Energy Market Analysis>
+<Cybersecurity for Grid, connectedTo, Power Plant>
+<Cybersecurity for Grid, partOf, Cybersecurity for Grid>
+<Demand Forecast, connectedTo, Carbon Capture>
+<Demand Forecast, connectedTo, Load Distribution>
+<Distributed Generation Management, connectedTo, Grid Modernization>
+<Distributed Generation Management, partOf, Distributed Generation Management>
+<Energy Efficiency Audit, connectedTo, Solar Panel Installation>
+<Energy Efficiency Audit, partOf, Energy Efficiency Audit>
+<Energy Market Analysis, connectedTo, Energy Storage>
+<Energy Storage, connectedTo, Alert Dispatch>
+<Energy Storage, connectedTo, Carbon Capture>
+<Energy Storage, connectedTo, Solar Panel Installation>
+<Fuel Delivery, connectedTo, Transmission Line Maintenance>
+<Grid Balancing, connectedTo, Alert Dispatch>
+<Grid Balancing, connectedTo, Carbon Capture>
+<Grid Balancing, connectedTo, Demand Forecast>
+<Grid Balancing, connectedTo, Pipeline Monitoring>
+<Grid Balancing, connectedTo, Usage Billing>
+<Grid Modernization, connectedTo, Energy Efficiency Audit>
+<Grid Modernization, partOf, Grid Modernization>
+<Load Distribution, connectedTo, Pipeline Monitoring>
+<Load Distribution, connectedTo, Transformer Station>
+<Oil and Gas Exploration, connectedTo, Distributed Generation Management>
+<Oil and Gas Exploration, partOf, Oil and Gas Exploration>
+<Pipeline Monitoring, connectedTo, Carbon Capture>
+<Pipeline Monitoring, connectedTo, Sensor Reading>
+<Power Plant, connectedTo, Sensor Reading>
+<Power Plant, partOf, Power Plant>
+<Renewable Integration, connectedTo, Consumption Logging>
+<Renewable Integration, connectedTo, Sensor Reading>
+<Sensor Reading, connectedTo, Alert Dispatch>
+<Solar Panel Installation, connectedTo, Grid Balancing>
+<Solar Panel Installation, connectedTo, Sensor Reading>
+<Transformer Station, connectedTo, Cybersecurity for Grid>
+<Transformer Station, partOf, Transformer Station>
+<Transmission Line Maintenance, connectedTo, Sensor Reading>
+<Transmission Line Maintenance, consumes, Renewable Integration>
diff --git a/train/graphviz/hard/graphviz_510.dot b/train/graphviz/hard/graphviz_510.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8c9f3d40f30d199fee854f3f110bf7a16593b194
--- /dev/null
+++ b/train/graphviz/hard/graphviz_510.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=RL
+	N0 [label="Ad Network Management" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
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+	N3 [label="Ad Analytics Reporting" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N4 [label="Native Advertising" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N5 [label="Competitor Ad Analysis" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
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+	N11 [label="Search Engine Ads" color="#A1887F" fillcolor="#EFEBE9" shape=Mdiamond style=filled]
+	N12 [label="Audience Segmentation for Ads" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N13 [label="Print Advertising" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N14 [label="Television Advertising" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_511.txt b/train/graphviz/hard/graphviz_511.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d814357f036432682e699870760e54fbc581f09f
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+<A or B Testing for Ads, connectedTo, Direct Response Campaigns>
+<A or B Testing for Ads, partOf, A or B Testing for Ads>
+<Ad Network Management, connectedTo, Privacy Concerns in Ads>
+<Ad Network Management, connectedTo, Retargeting Campaigns>
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+<Budget Management, connectedTo, Interactive Ad Formats>
+<Budget Management, social media ads, Print Advertising>
+<Conversion Tracking, connectedTo, Campaign Planning>
+<Direct Response Campaigns, connectedTo, Display Advertising>
+<Direct Response Campaigns, connectedTo, Geo_Targeting>
+<Direct Response Campaigns, connectedTo, Interactive Ad Formats>
+<Direct Response Campaigns, connectedTo, Retargeting Campaigns>
+<Display Advertising, connectedTo, Social Media Ads>
+<Geo_Targeting, connectedTo, Regulatory Compliance for Ads>
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+<Print Advertising, connectedTo, Interactive Ad Formats>
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+<Privacy Concerns in Ads, connectedTo, Retargeting Campaigns>
+<Privacy Concerns in Ads, connectedTo, Social Media Ads>
+<Psychographic Targeting, connectedTo, Conversion Tracking>
+<Psychographic Targeting, partOf, Psychographic Targeting>
+<Regulatory Compliance for Ads, connectedTo, Psychographic Targeting>
+<Regulatory Compliance for Ads, partOf, Regulatory Compliance for Ads>
+<Retargeting Campaigns, connectedTo, Conversion Tracking>
+<Retargeting Campaigns, connectedTo, Video Advertising>
+<Social Media Ads, connectedTo, Retargeting Campaigns>
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+<Video Advertising, partOf, Video Advertising>
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diff --git a/train/graphviz/hard/graphviz_513.txt b/train/graphviz/hard/graphviz_513.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9defe1a8d675179fb0f2cd147316f399fbfd1d37
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@@ -0,0 +1,43 @@
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+<Tokenomics Design, partOf, Tokenomics Design>
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diff --git a/train/graphviz/hard/graphviz_539.txt b/train/graphviz/hard/graphviz_539.txt
new file mode 100644
index 0000000000000000000000000000000000000000..88fb2e3b7ddf7f9baec8118fdd9bd4f78f5964d7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_539.txt
@@ -0,0 +1,29 @@
+<AI at the Edge, connectedTo, Over_the_Air Updates>
+<AI at the Edge, connectedTo, Sensor Integration>
+<AI at the Edge, implements edge computing, Firmware Updates>
+<AI at the Edge, integrates AI, Data Collection>
+<Asset Tracking, connectedTo, Connectivity Management>
+<Asset Tracking, connectedTo, Energy Management Systems>
+<Asset Tracking, optimizes transportation, IoT Device Certification>
+<Asset Tracking, prototypes devices, Over_the_Air Updates>
+<Blockchain for IoT Security, connectedTo, Connected Vehicles>
+<Blockchain for IoT Security, partOf, Blockchain for IoT Security>
+<Connected Vehicles, connectedTo, Energy Management Systems>
+<Connected Vehicles, partOf, Connected Vehicles>
+<Data Collection, connectedTo, Data Processing at Edge>
+<Data Processing at Edge, connectedTo, Asset Tracking>
+<Data Processing at Edge, connectedTo, IoT Device Certification>
+<Data Processing at Edge, connectedTo, Sensor Integration>
+<Device Management, connectedTo, Connectivity Management>
+<Device Management, partOf, Device Management>
+<Energy Management Systems, connectedTo, Sensor Integration>
+<Environmental Monitoring, connectedTo, Device Management>
+<Environmental Monitoring, partOf, Environmental Monitoring>
+<Firmware Updates, connectedTo, Connectivity Management>
+<Firmware Updates, uses blockchain, Smart Home Devices>
+<IoT Device Certification, connectedTo, Firmware Updates>
+<Over_the_Air Updates, connectedTo, IoT Device Certification>
+<Sensor Integration, connectedTo, Blockchain for IoT Security>
+<Sensor Integration, connectedTo, Over_the_Air Updates>
+<Smart Home Devices, connectedTo, Environmental Monitoring>
+<Smart Home Devices, partOf, Smart Home Devices>
diff --git a/train/graphviz/hard/graphviz_54.dot b/train/graphviz/hard/graphviz_54.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1b12f1570995e688e6103d8fdd99d3b0a14d4837
--- /dev/null
+++ b/train/graphviz/hard/graphviz_54.dot
@@ -0,0 +1,85 @@
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diff --git a/train/graphviz/hard/graphviz_542.txt b/train/graphviz/hard/graphviz_542.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b0337a0ff3069761168b55d3a8a3060e5c67a858
--- /dev/null
+++ b/train/graphviz/hard/graphviz_542.txt
@@ -0,0 +1,42 @@
+<AI at the Edge, automates homes, Retail IoT>
+<AI at the Edge, connectedTo, Data Analysis in Cloud>
+<AI at the Edge, uses protocols, Industrial IoT>
+<API Development for IoT, connectedTo, Device Prototyping>
+<API Development for IoT, partOf, API Development for IoT>
+<Agricultural IoT, connectedTo, Environmental Monitoring>
+<Agricultural IoT, connectedTo, Interoperability Standards>
+<Compliance with IoT Regulations, connectedTo, Healthcare IoT Devices>
+<Compliance with IoT Regulations, connectedTo, Industrial IoT>
+<Compliance with IoT Regulations, connectedTo, Network Protocol Selection>
+<Compliance with IoT Regulations, connectedTo, Security Implementation>
+<Data Analysis in Cloud, connectedTo, Smart Home Devices>
+<Data Privacy in IoT, connectedTo, Compliance with IoT Regulations>
+<Data Privacy in IoT, partOf, Data Privacy in IoT>
+<Device Prototyping, connectedTo, Agricultural IoT>
+<Device Prototyping, partOf, Device Prototyping>
+<Firmware Updates, connectedTo, API Development for IoT>
+<Firmware Updates, partOf, Firmware Updates>
+<Healthcare IoT Devices, connectedTo, Industrial IoT>
+<Healthcare IoT Devices, performs OTAs, Environmental Monitoring>
+<Industrial IoT, connectedTo, Data Analysis in Cloud>
+<Interoperability Standards, connectedTo, Network Protocol Selection>
+<Network Protocol Selection, connectedTo, Sensor Integration>
+<Network Protocol Selection, tracks assets, Environmental Monitoring>
+<Power Management for Devices, connectedTo, AI at the Edge>
+<Power Management for Devices, connectedTo, Data Analysis in Cloud>
+<Predictive Maintenance, connectedTo, Healthcare IoT Devices>
+<Retail IoT, connectedTo, Data Analysis in Cloud>
+<Retail IoT, integrates sensors, Industrial IoT>
+<Retail IoT, manages power, Compliance with IoT Regulations>
+<Security Implementation, connectedTo, Agricultural IoT>
+<Security Implementation, connectedTo, Network Protocol Selection>
+<Security Implementation, connectedTo, Predictive Maintenance>
+<Security Implementation, connectedTo, Smart Home Devices>
+<Security Implementation, connectedTo, Transportation IoT>
+<Sensor Integration, connectedTo, Data Privacy in IoT>
+<Sensor Integration, partOf, Sensor Integration>
+<Smart Home Devices, connectedTo, Agricultural IoT>
+<Smart Home Devices, connectedTo, Environmental Monitoring>
+<Smart Home Devices, connectedTo, Interoperability Standards>
+<Transportation IoT, connectedTo, Firmware Updates>
+<Transportation IoT, partOf, Transportation IoT>
diff --git a/train/graphviz/hard/graphviz_543.dot b/train/graphviz/hard/graphviz_543.dot
new file mode 100644
index 0000000000000000000000000000000000000000..776a433ba1157d0f642cbf026412b21a90c73673
--- /dev/null
+++ b/train/graphviz/hard/graphviz_543.dot
@@ -0,0 +1,81 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_545.dot b/train/graphviz/hard/graphviz_545.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fe5947746fab0517324d67a649699bc8c507e32d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_545.dot
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+	N16 [label="Virtualization at Edge" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
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+	S1 [label="" color="#5C6BC0" fillcolor="#E8EAF6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#CB9BE1" fillcolor="#F2E6F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Event_Driven Architectures at Edge" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+		nest0_1 [label="Real_time Analytics at Edge" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+		nest0_2 [label="Edge Data Processing" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
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+		nest0_0 -> nest0_1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Edge Computing Hardware Selection" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+		nest1_1 [label="Edge Network Topology Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=plaintext style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label="filters data" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label="manages fleet" color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [label="builds smart cities" color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N4 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest1_0 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S1 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [label="supports industrial IoT" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> S2 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N14 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> M1 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N7 -> M1 [label="transfers data efficiently" color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	M1 -> N14 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_545.txt b/train/graphviz/hard/graphviz_545.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c34a76a9353c0ffe5f8520295d92226494d9b87e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_545.txt
@@ -0,0 +1,40 @@
+<Bandwidth Optimization, manages fleet, Edge Device Analytics>
+<Containerization at Edge, filters data, Microservices on Edge Devices>
+<Distributed Data Storage, builds smart cities, Virtualization at Edge>
+<Edge Application Development, connectedTo, Offline Functionality>
+<Edge Computing Hardware Selection, connectedTo, Edge Network Topology Design>
+<Edge Computing Hardware Selection, partOf, Edge Computing Hardware Selection>
+<Edge Data Processing, connectedTo, Edge Device Deployment>
+<Edge Data Processing, partOf, Edge Data Processing>
+<Edge Device Analytics, connectedTo, Edge Device Provisioning>
+<Edge Device Analytics, connectedTo, Power Consumption Optimization>
+<Edge Device Deployment, connectedTo, Containerization at Edge>
+<Edge Device Deployment, partOf, Edge Device Deployment>
+<Edge Device Provisioning, connectedTo, Distributed Data Storage>
+<Edge Gateway Management, connectedTo, Edge Application Development>
+<Edge Network Topology Design, connectedTo, Network Optimization for Edge>
+<Edge Network Topology Design, partOf, Edge Network Topology Design>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Bandwidth Optimization>
+<Event_Driven Architectures at Edge, connectedTo, Real_time Analytics at Edge>
+<Event_Driven Architectures at Edge, partOf, Event_Driven Architectures at Edge>
+<Industrial Edge Computing, connectedTo, Edge Gateway Management>
+<Latency Reduction, connectedTo, Bandwidth Optimization>
+<Latency Reduction, connectedTo, Edge Computing Hardware Selection>
+<Latency Reduction, connectedTo, Sensor Data Aggregation>
+<Latency Reduction, supports industrial IoT, Edge Device Analytics>
+<Latency Reduction, transfers data efficiently, Edge Device Provisioning>
+<Microservices on Edge Devices, connectedTo, Remote Device Management>
+<Network Optimization for Edge, connectedTo, Edge Device Provisioning>
+<Offline Functionality, connectedTo, Containerization at Edge>
+<Power Consumption Optimization, connectedTo, Distributed Data Storage>
+<Power Consumption Optimization, connectedTo, Edge Device Provisioning>
+<Power Consumption Optimization, connectedTo, Network Optimization for Edge>
+<Power Consumption Optimization, connectedTo, Virtualization at Edge>
+<Real_time Analytics at Edge, connectedTo, Edge Data Processing>
+<Real_time Analytics at Edge, partOf, Real_time Analytics at Edge>
+<Remote Device Management, connectedTo, Bandwidth Optimization>
+<Remote Device Management, connectedTo, Edge Device Analytics>
+<Remote Device Management, connectedTo, Latency Reduction>
+<Remote Device Management, connectedTo, Virtualization at Edge>
+<Sensor Data Aggregation, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Sensor Data Aggregation, connectedTo, Event_Driven Architectures at Edge>
diff --git a/train/graphviz/hard/graphviz_548.dot b/train/graphviz/hard/graphviz_548.dot
new file mode 100644
index 0000000000000000000000000000000000000000..34335a19007a9274a5337cc43f089d52cb313900
--- /dev/null
+++ b/train/graphviz/hard/graphviz_548.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=LR
+	N0 [label="Edge AI Model Deployment" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
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+	N5 [label="Remote Device Management" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N6 [label="Retail Edge Computing" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N7 [label="Resource Management at Edge" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
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+	N11 [label="Industrial Edge Computing" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
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+	N13 [label="Edge Device Deployment" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N14 [label="Edge Security Analytics" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
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+	M1 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+		nest0_0 [label="Data Filtering at Edge" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+		nest0_1 [label="Edge_to_Cloud Data Transfer Optimization" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+		nest0_2 [label="Virtualization at Edge" color="#FFF8A6" fillcolor="#FFFDE0" shape=diamond style=filled]
+		nest0_3 [label="Telecom Edge Computing" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_1 [label="Edge Device Analytics" color="#CD8FF2" fillcolor="#ECCFF5" shape=octagon style=filled]
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+		nest1_3 [label="Healthcare Edge Computing" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
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+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [label="manages devices" color="#000000" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_55.dot b/train/graphviz/hard/graphviz_55.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e46f799d57ec6ff677b743140c2f18796d7f64d3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_55.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=BT
+	N0 [label="Voltage Regulation" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N1 [label="Consumption Logging" color="#DCE775" fillcolor="#FCFCE7" shape=Mdiamond style=filled]
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+	N3 [label="Renewable Integration" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N4 [label="Substation Automation" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N5 [label="Grid Balancing" color="#AABEC6" fillcolor="#E0E6E9" shape=octagon style=filled]
+	N6 [label="Battery Monitoring" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
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+	N9 [label="Transmission Line Maintenance" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
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+	N11 [label="Peak Shaving" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
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+		nest0_2 [label="Generator Check" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+		nest1_0 [label="Energy Trading" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest1_1 [label="Regulatory Compliance" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+		nest1_2 [label="Fuel Delivery" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	}
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+}
diff --git a/train/graphviz/hard/graphviz_55.png b/train/graphviz/hard/graphviz_55.png
new file mode 100644
index 0000000000000000000000000000000000000000..f106d8cf9554c5ad8f8d24379bb39e962de64a13
--- /dev/null
+++ b/train/graphviz/hard/graphviz_55.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:121deb97cb6f36a80d48ff707c86684eeaff884f16995a0fe63ae53b5603c7be
+size 206383
diff --git a/train/graphviz/hard/graphviz_55.txt b/train/graphviz/hard/graphviz_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..abdf3f031dda6574c56266589a024643a3fe2cf9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_55.txt
@@ -0,0 +1,37 @@
+<Alert Dispatch, connectedTo, Generator Check>
+<Alert Dispatch, partOf, Alert Dispatch>
+<Battery Monitoring, connectedTo, Circuit Breaker Operation>
+<Battery Monitoring, connectedTo, Oil and Gas Exploration>
+<Circuit Breaker Operation, connectedTo, Energy Trading>
+<Circuit Breaker Operation, connectedTo, Peak Shaving>
+<Consumption Logging, connectedTo, Circuit Breaker Operation>
+<Consumption Logging, connectedTo, Grid Balancing>
+<Consumption Logging, connectedTo, Substation Automation>
+<Consumption Logging, trades, Energy Storage>
+<Demand Forecast, connectedTo, Alert Dispatch>
+<Demand Forecast, partOf, Demand Forecast>
+<Energy Storage, connectedTo, Grid Balancing>
+<Energy Storage, connectedTo, Renewable Integration>
+<Energy Storage, connectedTo, Sensor Reading>
+<Energy Storage, connectedTo, Substation Automation>
+<Energy Trading, connectedTo, Regulatory Compliance>
+<Energy Trading, partOf, Energy Trading>
+<Fuel Delivery, connectedTo, Oil and Gas Exploration>
+<Fuel Delivery, partOf, Fuel Delivery>
+<Generator Check, connectedTo, Battery Monitoring>
+<Generator Check, partOf, Generator Check>
+<Grid Balancing, connectedTo, Battery Monitoring>
+<Oil and Gas Exploration, connectedTo, Sensor Reading>
+<Regulatory Compliance, connectedTo, Fuel Delivery>
+<Regulatory Compliance, partOf, Regulatory Compliance>
+<Renewable Integration, stores, Substation Automation>
+<Sensor Reading, connectedTo, Circuit Breaker Operation>
+<Sensor Reading, connectedTo, Demand Forecast>
+<Sensor Reading, connectedTo, Transmission Line Maintenance>
+<Substation Automation, connectedTo, Battery Monitoring>
+<Substation Automation, connectedTo, Grid Balancing>
+<Substation Automation, connectedTo, Oil and Gas Exploration>
+<Substation Automation, connectedTo, Transmission Line Maintenance>
+<Transmission Line Maintenance, connectedTo, Circuit Breaker Operation>
+<Voltage Regulation, connectedTo, Consumption Logging>
+<Voltage Regulation, connectedTo, Substation Automation>
diff --git a/train/graphviz/hard/graphviz_551.dot b/train/graphviz/hard/graphviz_551.dot
new file mode 100644
index 0000000000000000000000000000000000000000..513035c507141d4512f2142b73208e31acfab3c8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_551.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=RL
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+	}
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+		nest1_2 [label="Industrial Edge Computing" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
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+	N2 -> M0 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label="synchronizes data" color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [label="performs real_time analytics" color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N8 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N9 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_553.dot b/train/graphviz/hard/graphviz_553.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9c6d86c1ed51bc7be013f797724d8d4ec4190f2b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_553.dot
@@ -0,0 +1,59 @@
+digraph {
+	rankdir=LR
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+	nest0_2 -> N4 [label="manages IAMs" color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_554.dot b/train/graphviz/hard/graphviz_554.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0b78c64fc283f98148894834303fa9c46979563a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_554.dot
@@ -0,0 +1,66 @@
+digraph {
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+		nest0_1 -> nest0_2 [label="optimizes costs" color="#000000" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_555.txt b/train/graphviz/hard/graphviz_555.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d0cc559eefcb5ed34dec3feaeb3b4e420847130d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_555.txt
@@ -0,0 +1,34 @@
+<CI or CD Pipelines in Cloud, connectedTo, Container Orchestration>
+<CI or CD Pipelines in Cloud, manages IAMs, DevOps on Cloud>
+<Cloud Audit Trails, connectedTo, Compliance in Cloud>
+<Cloud Audit Trails, partOf, Cloud Audit Trails>
+<Cloud Backup Solutions, connectedTo, Cloud FinOps>
+<Cloud Backup Solutions, partOf, Cloud Backup Solutions>
+<Cloud FinOps, connectedTo, Serverless Computing>
+<Cloud FinOps, partOf, Cloud FinOps>
+<Cloud Governance, connectedTo, Data Storage in Cloud>
+<Cloud Marketplace Integration, connectedTo, Cloud Migration Strategy>
+<Cloud Marketplace Integration, connectedTo, Machine Learning as a Service>
+<Cloud Marketplace Integration, connectedTo, Software as a Service>
+<Cloud Migration Strategy, connectedTo, Machine Learning as a Service>
+<Compliance in Cloud, connectedTo, Private Cloud Management>
+<Compliance in Cloud, partOf, Compliance in Cloud>
+<Container Orchestration, connectedTo, Private Cloud Management>
+<Cost Optimization in Cloud, connectedTo, Cloud Backup Solutions>
+<Cost Optimization in Cloud, partOf, Cost Optimization in Cloud>
+<Data Storage in Cloud, connectedTo, Cloud Marketplace Integration>
+<Data Storage in Cloud, connectedTo, Machine Learning as a Service>
+<Data Storage in Cloud, connectedTo, Software as a Service>
+<DevOps on Cloud, connectedTo, Container Orchestration>
+<DevOps on Cloud, connectedTo, Cost Optimization in Cloud>
+<Hybrid Cloud Deployment, connectedTo, Cloud Governance>
+<Infrastructure as a Service, connectedTo, Container Orchestration>
+<Infrastructure as a Service, connectedTo, Public Cloud Management>
+<Machine Learning as a Service, connectedTo, Software as a Service>
+<Private Cloud Management, connectedTo, Hybrid Cloud Deployment>
+<Private Cloud Management, connectedTo, Virtual Machine Management>
+<Public Cloud Management, connectedTo, CI or CD Pipelines in Cloud>
+<Serverless Computing, connectedTo, Cloud Governance>
+<Serverless Computing, partOf, Serverless Computing>
+<Virtual Machine Management, connectedTo, Cloud Audit Trails>
+<Virtual Machine Management, partOf, Virtual Machine Management>
diff --git a/train/graphviz/hard/graphviz_556.png b/train/graphviz/hard/graphviz_556.png
new file mode 100644
index 0000000000000000000000000000000000000000..5ab81e29e0adce4e7ca7de79de93fbef290284f6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_556.png
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diff --git a/train/graphviz/hard/graphviz_561.dot b/train/graphviz/hard/graphviz_561.dot
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diff --git a/train/graphviz/hard/graphviz_561.txt b/train/graphviz/hard/graphviz_561.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ca2cb17fe7d888b3cdcb5b818a4e7e51401f79c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_561.txt
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+	rankdir=LR
+	N0 [label="Mail Server Management" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N1 [label="Network Security" color="#FFF8A6" fillcolor="#FFFDE0" shape=folder style=filled]
+	N2 [label="Antivirus and Endpoint Protection" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N3 [label="Network Performance Tuning" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N4 [label="Server Deployment" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N5 [label="Hardware Procurement" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N6 [label=Virtualization color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N7 [label="System Administration" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N8 [label="User Account Management" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N9 [label="IT Asset Management" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N10 [label="Cloud Integration with On_premise" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N11 [label="DNS Management" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	S0 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Operating System Installation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Group Policy Management" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+		nest0_1 [label="Network Design" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+		nest0_2 [label="Remote Access Solutions" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_0 -> nest0_1 [label="designs networks" color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Patch Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Web Server Configuration" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+		nest1_1 [label="Directory Services" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+		nest1_2 [label="Access Control Systems" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+		nest1_3 [label="Backup and Recovery Systems" color="#795548" fillcolor="#D7CCC8" shape=plaintext style=filled]
+		nest1_0 -> nest1_1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [label="implements disaster recovery" color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [label="installs racks" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label="administers databases" color="#795548" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest1_0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N3 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> S1 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [label="lays cables" color="#795548" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S2 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S2 -> N11 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_564.txt b/train/graphviz/hard/graphviz_564.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1580cd68e5d1560bc6a7128fb388ae13e3064b25
--- /dev/null
+++ b/train/graphviz/hard/graphviz_564.txt
@@ -0,0 +1,32 @@
+<Capacity Planning, connectedTo, Disaster Recovery Planning>
+<Capacity Planning, connectedTo, Firewall Management>
+<Capacity Planning, connectedTo, Patch Management>
+<Capacity Planning, connectedTo, Virtual Desktop Infrastructure>
+<Capacity Planning, connectedTo, Virtualization>
+<Data Center Management, connectedTo, Patch Management>
+<Data Center Management, connectedTo, Remote Access Solutions>
+<Directory Services, connectedTo, Disaster Recovery Planning>
+<Directory Services, partOf, Directory Services>
+<Disaster Recovery Planning, connectedTo, Power and Cooling Management>
+<Disaster Recovery Planning, connectedTo, VPN Configuration>
+<Environmental Monitoring, connectedTo, Firewall Management>
+<Environmental Monitoring, connectedTo, Load Balancer Setup>
+<Environmental Monitoring, connectedTo, Patch Management>
+<Firewall Management, connectedTo, Disaster Recovery Planning>
+<Firewall Management, connectedTo, Virtualization>
+<Load Balancer Setup, automates tasks, Disaster Recovery Planning>
+<Load Balancer Setup, connectedTo, Capacity Planning>
+<Network Security, connectedTo, Power and Cooling Management>
+<Network Security, partOf, Network Security>
+<Operating System Installation, connectedTo, System Administration>
+<Patch Management, connectedTo, Virtualization>
+<Power and Cooling Management, connectedTo, Operating System Installation>
+<Proxy Server Configuration, connectedTo, Disaster Recovery Planning>
+<Proxy Server Configuration, connectedTo, Environmental Monitoring>
+<Proxy Server Configuration, manages licenses, Virtualization>
+<Remote Access Solutions, connectedTo, Directory Services>
+<Remote Access Solutions, partOf, Remote Access Solutions>
+<System Administration, connectedTo, Virtual Desktop Infrastructure>
+<VPN Configuration, connectedTo, Network Security>
+<VPN Configuration, partOf, VPN Configuration>
+<Virtual Desktop Infrastructure, connectedTo, Data Center Management>
diff --git a/train/graphviz/hard/graphviz_565.dot b/train/graphviz/hard/graphviz_565.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1b779ad722ad562f30aabfdfcc2510af1ed2cd1a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_565.dot
@@ -0,0 +1,71 @@
+digraph {
+	rankdir=BT
+	N0 [label="Disaster Recovery Planning" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Hardware Procurement" color="#C2B2F0" fillcolor="#EFE6FF" shape=folder style=filled]
+	N2 [label="Network Design" color="#C2B2F0" fillcolor="#EFE6FF" shape=plaintext style=filled]
+	N3 [label="Cabling and Wiring" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N4 [label="Troubleshooting and Support" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N5 [label="Environmental Monitoring" color="#E91E63" fillcolor="#FCE4EC" shape=Mdiamond style=filled]
+	N6 [label="Hardware Maintenance" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N7 [label="Directory Services" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N8 [label="Network Performance Tuning" color="#607D8B" fillcolor="#CFD8DC" shape=plaintext style=filled]
+	N9 [label="Group Policy Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	S0 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Automation Scripting" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Virtual Desktop Infrastructure" color="#607D8B" fillcolor="#CFD8DC" shape=plaintext style=filled]
+		nest0_1 [label="Capacity Planning" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+		nest0_2 [label="Rack and Cabinet Management" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_0 -> nest0_1 [label="designs networks" color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Remote Access Solutions" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Backup and Recovery Systems" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+		nest1_1 [label="Cloud Integration with On_premise" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+		nest1_2 [label="Patch Management" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N1 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest1_0 [label="manages mail servers" color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label="manages power" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label="procures equipment" color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N2 -> S2 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [label="maintains hardware" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N5 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label="deploys VDIs" color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_566.txt b/train/graphviz/hard/graphviz_566.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bfb3a1bd977564d3d8fd97d1324ccdf3e9487b2d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_566.txt
@@ -0,0 +1,37 @@
+<Access Control Systems, connectedTo, VPN Configuration>
+<Automation Scripting, connectedTo, Data Center Management>
+<Backup and Recovery Systems, connectedTo, Cloud Integration with On_premise>
+<Backup and Recovery Systems, partOf, Backup and Recovery Systems>
+<Capacity Planning, connectedTo, Storage Solutions>
+<Capacity Planning, partOf, Capacity Planning>
+<Cloud Integration with On_premise, connectedTo, Power and Cooling Management>
+<Cloud Integration with On_premise, connectedTo, Web Server Configuration>
+<Cloud Integration with On_premise, partOf, Cloud Integration with On_premise>
+<Data Center Management, connectedTo, Web Server Configuration>
+<Disaster Recovery Planning, connectedTo, Troubleshooting and Support>
+<Disaster Recovery Planning, partOf, Disaster Recovery Planning>
+<Firewall Management, connectedTo, Backup and Recovery Systems>
+<Firewall Management, partOf, Firewall Management>
+<Load Balancer Setup, connectedTo, Mail Server Management>
+<Mail Server Management, connectedTo, Database Administration>
+<Mail Server Management, connectedTo, Proxy Server Configuration>
+<Mail Server Management, implements disaster recovery, Server Deployment>
+<Mail Server Management, plans capacity, Power and Cooling Management>
+<Power and Cooling Management, connectedTo, Server Deployment>
+<Proxy Server Configuration, manages users, Capacity Planning>
+<Proxy Server Configuration, partOf, Proxy Server Configuration>
+<Remote Access Solutions, connectedTo, Automation Scripting>
+<Remote Access Solutions, connectedTo, Database Administration>
+<Remote Access Solutions, connectedTo, Power and Cooling Management>
+<Server Deployment, connectedTo, Virtualization>
+<Server Deployment, installs racks, Data Center Management>
+<Storage Solutions, connectedTo, Disaster Recovery Planning>
+<Storage Solutions, partOf, Storage Solutions>
+<Troubleshooting and Support, connectedTo, User Account Management>
+<User Account Management, connectedTo, Database Administration>
+<VPN Configuration, connectedTo, Virtual Desktop Infrastructure>
+<VPN Configuration, maintains hardware, Load Balancer Setup>
+<Virtual Desktop Infrastructure, connectedTo, Firewall Management>
+<Virtual Desktop Infrastructure, partOf, Virtual Desktop Infrastructure>
+<Virtualization, connectedTo, Troubleshooting and Support>
+<Web Server Configuration, connectedTo, Access Control Systems>
diff --git a/train/graphviz/hard/graphviz_568.dot b/train/graphviz/hard/graphviz_568.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9172f86b5ad957f1e1c908fc9a01653437cc56d5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_568.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=TD
+	N0 [label="Group Policy Management" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="DNS Management" color="#81C784" fillcolor="#F1F8E9" shape=folder style=filled]
+	N2 [label="Network Design" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N3 [label="Server Deployment" color="#66BB6A" fillcolor="#E8F5E9" shape=Mdiamond style=filled]
+	N4 [label="Antivirus and Endpoint Protection" color="#66BB6A" fillcolor="#E8F5E9" shape=parallelogram style=filled]
+	N5 [label="Troubleshooting and Support" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N6 [label="IT Asset Management" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N7 [label="Disaster Recovery Planning" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N8 [label="Firewall Management" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N9 [label="Hardware Maintenance" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N10 [label="Load Balancer Setup" color="#795548" fillcolor="#D7CCC8" shape=octagon style=filled]
+	N11 [label="Proxy Server Configuration" color="#795548" fillcolor="#D7CCC8" shape=octagon style=filled]
+	N12 [label="Power and Cooling Management" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N13 [label="Patch Management" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N14 [label="System Administration" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N15 [label="Automation Scripting" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N16 [label="Directory Services" color="#66BB6A" fillcolor="#E8F5E9" shape=folder style=filled]
+	N17 [label="Environmental Monitoring" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#66BB6A" fillcolor="#E8F5E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#795548" fillcolor="#D7CCC8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Storage Solutions" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Backup and Recovery Systems" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+		nest0_1 [label="Mail Server Management" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="VPN Configuration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Rack and Cabinet Management" color="#81C784" fillcolor="#F1F8E9" shape=Mdiamond style=filled]
+		nest1_1 [label="Monitoring and Alerting" color="#795548" fillcolor="#D7CCC8" shape=folder style=filled]
+		nest1_2 [label="Network Security" color="#66BB6A" fillcolor="#E8F5E9" shape=plaintext style=filled]
+		nest1_3 [label="Network Performance Tuning" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+		nest1_0 -> nest1_1 [label="sets up VPNs" color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label="configures firewalls" color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#66BB6A" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N15 -> N16 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_569.dot b/train/graphviz/hard/graphviz_569.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e863f0648063e54b08b05767be0001d0d4c39e8a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_569.dot
@@ -0,0 +1,82 @@
+digraph {
+	rankdir=RL
+	N0 [label="Version Control" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
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+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+		nest1_1 [label="Infrastructure as Code" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
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+	}
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diff --git a/train/graphviz/hard/graphviz_569.txt b/train/graphviz/hard/graphviz_569.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c509e55740b3fcd30780d24e8d60848dffad5cfc
--- /dev/null
+++ b/train/graphviz/hard/graphviz_569.txt
@@ -0,0 +1,41 @@
+<Automated Deployment, connectedTo, Cross_Functional Team Collaboration>
+<Automated Deployment, connectedTo, Serverless Deployment>
+<Automated Rollbacks, connectedTo, Immutable Infrastructure>
+<Automated Rollbacks, partOf, Automated Rollbacks>
+<Canary Releases, connectedTo, Collaboration Tools>
+<Chaos Engineering, connectedTo, Secrets Management>
+<Chaos Engineering, manages microservices, Cloud Native Development>
+<Cloud Native Development, connectedTo, Code Quality Checks>
+<Code Quality Checks, connectedTo, Rollback Strategies>
+<Collaboration Tools, connectedTo, ChatOps>
+<Configuration Management, sends alerts, Dynamic Application Security Testing>
+<Continuous Integration, connectedTo, Automated Deployment>
+<Continuous Integration, connectedTo, Infrastructure Provisioning>
+<Continuous Integration, provisions infrastructure, Serverless Deployment>
+<Cross_Functional Team Collaboration, connectedTo, Serverless Deployment>
+<Dynamic Application Security Testing, connectedTo, Cloud Native Development>
+<Dynamic Application Security Testing, connectedTo, Continuous Integration>
+<Environment Management, connectedTo, Canary Releases>
+<Feature Flags, connectedTo, Chaos Engineering>
+<Feature Flags, connectedTo, Cloud Native Development>
+<Immutable Infrastructure, connectedTo, Security in DevOps>
+<Immutable Infrastructure, partOf, Immutable Infrastructure>
+<Infrastructure Provisioning, connectedTo, Infrastructure as Code>
+<Infrastructure Provisioning, partOf, Infrastructure Provisioning>
+<Infrastructure as Code, connectedTo, Rollback Strategies>
+<Infrastructure as Code, partOf, Infrastructure as Code>
+<Pipeline Automation, connectedTo, Cloud Native Development>
+<Rollback Strategies, connectedTo, Automated Rollbacks>
+<Rollback Strategies, connectedTo, Collaboration Tools>
+<Rollback Strategies, connectedTo, Environment Management>
+<Rollback Strategies, connectedTo, Site Reliability Engineering Principles>
+<Rollback Strategies, monitors applications, Canary Releases>
+<Secrets Management, configures environments, Collaboration Tools>
+<Secrets Management, connectedTo, Pipeline Automation>
+<Secrets Management, uses serverless, ChatOps>
+<Security in DevOps, connectedTo, Chaos Engineering>
+<Security in DevOps, performs rollbacks, Configuration Management>
+<Serverless Deployment, connectedTo, Feature Flags>
+<Site Reliability Engineering Principles, connectedTo, Environment Management>
+<Version Control, connectedTo, Chaos Engineering>
+<Version Control, connectedTo, Security in DevOps>
diff --git a/train/graphviz/hard/graphviz_572.dot b/train/graphviz/hard/graphviz_572.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9a86e9754e5da3d4b93d41effcfb0349a2f96810
--- /dev/null
+++ b/train/graphviz/hard/graphviz_572.dot
@@ -0,0 +1,61 @@
+digraph {
+	rankdir=LR
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diff --git a/train/graphviz/hard/graphviz_573.dot b/train/graphviz/hard/graphviz_573.dot
new file mode 100644
index 0000000000000000000000000000000000000000..693b28f68a69191a74246b4a50e4e36a110777e3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_573.dot
@@ -0,0 +1,68 @@
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new file mode 100644
index 0000000000000000000000000000000000000000..8c89e4e03480349214e3daf8ce24edb9337082f0
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+<API Development, gathers requirements, System Design>
+<API Development, partOf, API Development>
+<Algorithm Design, connectedTo, Technical Debt Management>
+<Algorithm Design, connectedTo, User Interface Design>
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+<Database Design, connectedTo, Performance Optimization>
+<Database Design, connectedTo, User Interface Design>
+<Deployment, connectedTo, Compiler Design>
+<Microservices Architecture, connectedTo, Continuous Delivery>
+<Operating System Development, connectedTo, Containerization>
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+<Performance Optimization, designs UXs, Frontend Development>
+<System Design, connectedTo, Frontend Development>
+<System Design, partOf, System Design>
+<Technical Debt Management, connectedTo, API Development>
+<Technical Debt Management, connectedTo, Operating System Development>
+<Technical Debt Management, designs games, Database Design>
+<Technical Debt Management, develops cloud_native apps, User Interface Design>
+<User Interface Design, connectedTo, Compiler Design>
+<User Interface Design, connectedTo, Deployment>
+<User Interface Design, connectedTo, Frontend Development>
+<User Interface Design, connectedTo, Performance Optimization>
diff --git a/train/graphviz/hard/graphviz_58.dot b/train/graphviz/hard/graphviz_58.dot
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diff --git a/train/graphviz/hard/graphviz_580.txt b/train/graphviz/hard/graphviz_580.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b0f4fca542c08ed31792c9d59be41135581c950a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_580.txt
@@ -0,0 +1,31 @@
+<Architecture Planning, creates UIs, Technical Debt Management>
+<Cloud_Native Development, connectedTo, Database Design>
+<Cloud_Native Development, partOf, Cloud_Native Development>
+<Code Review, connectedTo, User Experience Design>
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diff --git a/train/graphviz/hard/graphviz_583.png b/train/graphviz/hard/graphviz_583.png
new file mode 100644
index 0000000000000000000000000000000000000000..cd5c323dccd20eb7a6eb1e0b8ef86371f3264872
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diff --git a/train/graphviz/hard/graphviz_583.txt b/train/graphviz/hard/graphviz_583.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6ce4686de787d2992e6c6de06d440b6ce5ee0183
--- /dev/null
+++ b/train/graphviz/hard/graphviz_583.txt
@@ -0,0 +1,40 @@
+<Backend Development, connectedTo, Microservices Architecture>
+<Bug Fixing, connectedTo, User Experience Design>
+<Bug Fixing, partOf, Bug Fixing>
+<Cloud_Native Development, connectedTo, Documentation>
+<Cloud_Native Development, partOf, Cloud_Native Development>
+<Code Review, connectedTo, Bug Fixing>
+<Code Review, partOf, Code Review>
+<Coding, connectedTo, Cloud_Native Development>
+<Coding, partOf, Coding>
+<Compiler Design, connectedTo, Continuous Integration>
+<Containerization, connectedTo, System Design>
+<Containerization, connectedTo, User Interface Design>
+<Continuous Delivery, connectedTo, Deployment>
+<Continuous Delivery, ensures scalability, Containerization>
+<Data Structures Implementation, connectedTo, Embedded Systems Development>
+<Deployment, connectedTo, Maintenance>
+<Documentation, connectedTo, User Experience Design>
+<Documentation, partOf, Documentation>
+<Embedded Systems Development, connectedTo, User Experience Design>
+<Frontend Development, uses containers, Backend Development>
+<Integration Testing, connectedTo, Compiler Design>
+<Maintenance, connectedTo, Frontend Development>
+<Microservices Architecture, connectedTo, Coding>
+<Microservices Architecture, connectedTo, Integration Testing>
+<Scalability Design, connectedTo, Compiler Design>
+<Scalability Design, connectedTo, Data Structures Implementation>
+<Scalability Design, connectedTo, Frontend Development>
+<Scalability Design, connectedTo, User Experience Design>
+<Scalability Design, manages data structures, Technical Debt Management>
+<System Design, connectedTo, Deployment>
+<System Design, connectedTo, Technical Debt Management>
+<Technical Debt Management, connectedTo, Unit Testing>
+<Testing Frameworks, connectedTo, Deployment>
+<Unit Testing, connectedTo, Deployment>
+<Unit Testing, connectedTo, Testing Frameworks>
+<User Experience Design, connectedTo, Backend Development>
+<User Experience Design, connectedTo, Continuous Delivery>
+<User Experience Design, connectedTo, Testing Frameworks>
+<User Interface Design, connectedTo, Code Review>
+<User Interface Design, partOf, User Interface Design>
diff --git a/train/graphviz/hard/graphviz_584.dot b/train/graphviz/hard/graphviz_584.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fb28f450fb43ca4160782acf52d5a58e12e4a008
--- /dev/null
+++ b/train/graphviz/hard/graphviz_584.dot
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+digraph {
+	rankdir=TD
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+}
diff --git a/train/graphviz/hard/graphviz_584.txt b/train/graphviz/hard/graphviz_584.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df3eeaf6b4f113a66df3fbbebb0f38f7bfa656cc
--- /dev/null
+++ b/train/graphviz/hard/graphviz_584.txt
@@ -0,0 +1,36 @@
+<Agile Methodologies, connectedTo, Code Review>
+<Agile Methodologies, partOf, Agile Methodologies>
+<Algorithm Design, connectedTo, Data Structures Implementation>
+<Architecture Planning, connectedTo, Containerization>
+<Architecture Planning, connectedTo, Data Structures Implementation>
+<Architecture Planning, connectedTo, System Testing>
+<Bug Fixing, connectedTo, System Testing>
+<Bug Fixing, connectedTo, Testing Frameworks>
+<Code Review, connectedTo, System Testing>
+<Code Review, partOf, Code Review>
+<Containerization, connectedTo, Bug Fixing>
+<Containerization, connectedTo, Game Development>
+<Containerization, connectedTo, System Testing>
+<Containerization, connectedTo, Testing Frameworks>
+<Data Structures Implementation, connectedTo, Performance Optimization>
+<Data Structures Implementation, connectedTo, Testing Frameworks>
+<Embedded Systems Development, connectedTo, Integration Testing>
+<Embedded Systems Development, partOf, Embedded Systems Development>
+<Game Development, connectedTo, System Design>
+<Game Development, partOf, Game Development>
+<Integration Testing, connectedTo, Web Application Development>
+<Integration Testing, partOf, Integration Testing>
+<Performance Optimization, connectedTo, Embedded Systems Development>
+<Performance Optimization, partOf, Performance Optimization>
+<System Design, connectedTo, Agile Methodologies>
+<System Design, partOf, System Design>
+<System Testing, connectedTo, Algorithm Design>
+<System Testing, connectedTo, Data Structures Implementation>
+<System Testing, connectedTo, Database Design>
+<System Testing, connectedTo, Testing Frameworks>
+<System Testing, connectedTo, Version Control>
+<Testing Frameworks, connectedTo, Database Design>
+<Version Control, connectedTo, Algorithm Design>
+<Version Control, connectedTo, Data Structures Implementation>
+<Web Application Development, connectedTo, Version Control>
+<Web Application Development, partOf, Web Application Development>
diff --git a/train/graphviz/hard/graphviz_585.dot b/train/graphviz/hard/graphviz_585.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b8f145a231dccd97f24875d44d16cbd372e77a51
--- /dev/null
+++ b/train/graphviz/hard/graphviz_585.dot
@@ -0,0 +1,84 @@
+digraph {
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+	N3 [label="Actuator Control" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N4 [label="Signal Integrity Analysis" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N5 [label="Power Integrity Analysis" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N6 [label="Troubleshooting and Debugging" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
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+	N9 [label="Component Selection" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
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+	N12 [label="Mixed_Signal Design" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N13 [label="Enclosure Design" color="#00BCD4" fillcolor="#B2EBF2" shape=octagon style=filled]
+	N14 [label="Firmware Development" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N15 [label="FPGA Design" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N16 [label="RF Circuit Design" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_588.txt b/train/graphviz/hard/graphviz_588.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c3282bfa3edc5d7ca7a086b01620d2627004b04
--- /dev/null
+++ b/train/graphviz/hard/graphviz_588.txt
@@ -0,0 +1,32 @@
+<Actuator Control, connectedTo, Firmware Development>
+<Assembly Line Optimization, connectedTo, RF Circuit Design>
+<Circuit Design, connectedTo, Sensor Integration>
+<Circuit Design, partOf, Circuit Design>
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+<Environmental Testing, connectedTo, Microcontroller Programming>
+<Environmental Testing, partOf, Environmental Testing>
+<FPGA Design, connectedTo, Firmware Development>
+<FPGA Design, connectedTo, Manufacturing Process Planning>
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+<High_Speed Digital Design, connectedTo, Testing and Validation>
+<Manufacturing Process Planning, connectedTo, Actuator Control>
+<Manufacturing Process Planning, connectedTo, Assembly Line Optimization>
+<Manufacturing Process Planning, connectedTo, High_Speed Digital Design>
+<Manufacturing Process Planning, connectedTo, RF Circuit Design>
+<Microcontroller Programming, connectedTo, RF Circuit Design>
+<Microcontroller Programming, partOf, Microcontroller Programming>
+<PCB Layout, connectedTo, Prototyping>
+<PCB Layout, partOf, PCB Layout>
+<Prototyping, connectedTo, Environmental Testing>
+<Prototyping, partOf, Prototyping>
+<RF Circuit Design, connectedTo, High_Speed Digital Design>
+<Sensor Integration, connectedTo, Manufacturing Process Planning>
+<Sensor Integration, partOf, Sensor Integration>
+<Testing and Validation, connectedTo, Circuit Design>
+<Testing and Validation, partOf, Testing and Validation>
+<Troubleshooting and Debugging, connectedTo, Actuator Control>
+<Troubleshooting and Debugging, connectedTo, Firmware Development>
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diff --git a/train/graphviz/hard/graphviz_59.txt b/train/graphviz/hard/graphviz_59.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba03f00ef5f82fa5b12c7497f9e841097edd12c4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_59.txt
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+<Amicus Brief Submission, connectedTo, Contract Review>
+<Amicus Brief Submission, connectedTo, Corporate Formation>
+<Amicus Brief Submission, connectedTo, Discovery Process>
+<Appeal Submission, connectedTo, Trademark Registration>
+<Appeal Submission, partOf, Appeal Submission>
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+<Bail Hearing, partOf, Bail Hearing>
+<Case Filing, connectedTo, Pro Bono Work>
+<Case Filing, partOf, Case Filing>
+<Child Custody, connectedTo, Copyright Infringement>
+<Closing Argument, connectedTo, Settlement Negotiation>
+<Contract Review, connectedTo, Judgment Writing>
+<Contract Review, connectedTo, Patent Application>
+<Contract Review, connectedTo, Witness Testimony>
+<Copyright Infringement, connectedTo, Appeal Submission>
+<Copyright Infringement, connectedTo, Witness Testimony>
+<Discovery Process, connectedTo, Corporate Formation>
+<Divorce Proceedings, connectedTo, Jury Selection>
+<Document Drafting, connectedTo, Divorce Proceedings>
+<Document Drafting, connectedTo, Patent Application>
+<Document Drafting, connectedTo, Witness Testimony>
+<Document Drafting, executes, Child Custody>
+<Evidence Collection, connectedTo, Amicus Brief Submission>
+<Intel Property Licensing, connectedTo, Divorce Proceedings>
+<Judgment Writing, connectedTo, Closing Argument>
+<Jury Selection, appeals, Patent Application>
+<Jury Selection, connectedTo, Legal Aid Assistance>
+<Legal Aid Assistance, connectedTo, Bail Hearing>
+<Legal Aid Assistance, partOf, Legal Aid Assistance>
+<Legal Research, connectedTo, Judgment Writing>
+<Legal Research, partOf, Legal Research>
+<Patent Application, connectedTo, Discovery Process>
+<Pro Bono Work, connectedTo, Contract Review>
+<Pro Bono Work, partOf, Pro Bono Work>
+<Settlement Negotiation, connectedTo, Document Drafting>
+<Trademark Registration, partOf, Trademark Registration>
+<Trademark Registration, settles, Case Filing>
+<Witness Testimony, connectedTo, Intel Property Licensing>
diff --git a/train/graphviz/hard/graphviz_590.txt b/train/graphviz/hard/graphviz_590.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8f077e75b356a6d2bd949d6fd60bb9df0ffce44
--- /dev/null
+++ b/train/graphviz/hard/graphviz_590.txt
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+<Actuator Control, connectedTo, FPGA Design>
+<Cable Management, connectedTo, Low_Power Design>
+<Cable Management, partOf, Cable Management>
+<Cost Optimization, connectedTo, Troubleshooting and Debugging>
+<Documentation, connectedTo, Cable Management>
+<Documentation, partOf, Documentation>
+<Electromagnetic Compatibility Testing, connectedTo, PCB Layout>
+<Environmental Testing, connectedTo, Actuator Control>
+<Environmental Testing, connectedTo, Cost Optimization>
+<Environmental Testing, connectedTo, Microcontroller Programming>
+<Environmental Testing, connectedTo, Troubleshooting and Debugging>
+<FPGA Design, connectedTo, Reverse Engineering>
+<FPGA Design, tests hardware, Prototyping>
+<Low_Power Design, connectedTo, RF Circuit Design>
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+<Microcontroller Programming, connectedTo, Actuator Control>
+<Microcontroller Programming, connectedTo, Electromagnetic Compatibility Testing>
+<Microcontroller Programming, connectedTo, Reverse Engineering>
+<Microcontroller Programming, connectedTo, Test Fixture Design>
+<Prototyping, connectedTo, Schematic Capture>
+<Prototyping, partOf, Prototyping>
+<RF Circuit Design, connectedTo, Cost Optimization>
+<RF Circuit Design, partOf, RF Circuit Design>
+<Reverse Engineering, connectedTo, Cost Optimization>
+<Reverse Engineering, connectedTo, Electromagnetic Compatibility Testing>
+<Schematic Capture, connectedTo, Signal Integrity Analysis>
+<Schematic Capture, partOf, Schematic Capture>
+<Signal Integrity Analysis, connectedTo, Actuator Control>
+<Signal Integrity Analysis, partOf, Signal Integrity Analysis>
+<Test Fixture Design, connectedTo, Actuator Control>
+<Troubleshooting and Debugging, connectedTo, Documentation>
+<Troubleshooting and Debugging, connectedTo, Electromagnetic Compatibility Testing>
diff --git a/train/graphviz/hard/graphviz_593.dot b/train/graphviz/hard/graphviz_593.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3454a40e8b217031f082c5fc91618999a445e521
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diff --git a/train/graphviz/hard/graphviz_595.dot b/train/graphviz/hard/graphviz_595.dot
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index 0000000000000000000000000000000000000000..6173ace3105a0cea192848960b2f96f66ece9575
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diff --git a/train/graphviz/hard/graphviz_595.txt b/train/graphviz/hard/graphviz_595.txt
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+<Ad Monetization, connectedTo, In_App Purchase Integration>
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+<Push Notification Implementation, connectedTo, Cross_Platform Development>
+<Real_time Communication Features, connectedTo, Native App Development>
+<Real_time Communication Features, connectedTo, Prototyping>
+<Subscription Management, connectedTo, Native App Development>
+<Subscription Management, connectedTo, User Experience Design>
+<Subscription Management, connectedTo, User Interface Design>
+<Updates and Maintenance, connectedTo, Real_time Communication Features>
+<Updates and Maintenance, connectedTo, User Onboarding Flows>
+<User Experience Design, connectedTo, Native App Development>
+<User Feedback Collection, connectedTo, Push Notification Implementation>
+<User Feedback Collection, partOf, User Feedback Collection>
+<User Interface Design, connectedTo, Ad Monetization>
+<User Onboarding Flows, connectedTo, Analytics Tracking>
+<Widget Development, connectedTo, Performance Optimization>
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diff --git a/train/graphviz/hard/graphviz_6.txt b/train/graphviz/hard/graphviz_6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c9330484eef1c358c5ee5cff03e7a18933d93e9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_6.txt
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+<AML Screening, connectedTo, Loan Processing>
+<AML Screening, connectedTo, Venture Capital Funding>
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+<Debt Collection, connectedTo, Transaction Audit>
+<Debt Collection, partOf, Debt Collection>
+<Financial Advisory, connectedTo, Merger and Acquisition>
+<Financial Advisory, partOf, Financial Advisory>
+<Financial Reporting, connectedTo, Approval Decision>
+<Financial Reporting, connectedTo, Debt Collection>
+<Financial Reporting, connectedTo, Interest Calculation>
+<Financial Reporting, connectedTo, Loan Processing>
+<IPO Launch, assesses, Treasury Management>
+<IPO Launch, verifies, Approval Decision>
+<Interest Calculation, connectedTo, Market Analysis>
+<Interest Calculation, connectedTo, Risk Assessment>
+<Interest Calculation, connectedTo, Transaction Logging>
+<Loan Processing, connectedTo, Approval Decision>
+<Market Analysis, connectedTo, Tax Preparation>
+<Market Analysis, partOf, Market Analysis>
+<Merger and Acquisition, connectedTo, Collateral Evaluation>
+<Merger and Acquisition, partOf, Merger and Acquisition>
+<Mortgage Application, connectedTo, Financial Reporting>
+<Risk Assessment, connectedTo, Financial Advisory>
+<Risk Assessment, partOf, Risk Assessment>
+<Tax Preparation, connectedTo, Financial Reporting>
+<Tax Preparation, partOf, Tax Preparation>
+<Transaction Audit, connectedTo, Market Analysis>
+<Transaction Audit, partOf, Transaction Audit>
+<Transaction Logging, connectedTo, IPO Launch>
+<Transaction Logging, connectedTo, Loan Processing>
+<Treasury Management, connectedTo, AML Screening>
+<Treasury Management, connectedTo, Loan Processing>
+<Treasury Management, connectedTo, Transaction Logging>
+<Venture Capital Funding, connectedTo, Loan Processing>
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diff --git a/train/graphviz/hard/graphviz_601.txt b/train/graphviz/hard/graphviz_601.txt
new file mode 100644
index 0000000000000000000000000000000000000000..20777164cdb62a397d0366c43b943de805e103f2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_601.txt
@@ -0,0 +1,37 @@
+<Audience Engagement, develops crisis plans, Community Management>
+<Audience Engagement, partOf, Audience Engagement>
+<Campaign Management, connectedTo, Direct Messaging Strategy>
+<Campaign Management, partOf, Campaign Management>
+<Community Management, connectedTo, Social Listening>
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+<User_Generated Content Curation, connectedTo, Cross_Promotion>
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diff --git a/train/graphviz/hard/graphviz_603.dot b/train/graphviz/hard/graphviz_603.dot
new file mode 100644
index 0000000000000000000000000000000000000000..787365a0d546976c517337ef5272d01639e1d85a
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diff --git a/train/graphviz/hard/graphviz_603.txt b/train/graphviz/hard/graphviz_603.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cda4035fe5727e8a872fe954e1a672ffdb75993f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_603.txt
@@ -0,0 +1,33 @@
+<Campaign Management, connectedTo, Group Management>
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diff --git a/train/graphviz/hard/graphviz_604.txt b/train/graphviz/hard/graphviz_604.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eed95067a7a5538fe399a9dba8165ce03d52ad37
--- /dev/null
+++ b/train/graphviz/hard/graphviz_604.txt
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diff --git a/train/graphviz/hard/graphviz_608.dot b/train/graphviz/hard/graphviz_608.dot
new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_609.dot b/train/graphviz/hard/graphviz_609.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b8265962b6f2bfd10c46e9ce4d2e5da57eac9727
--- /dev/null
+++ b/train/graphviz/hard/graphviz_609.dot
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+digraph {
+	rankdir=BT
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diff --git a/train/graphviz/hard/graphviz_610.dot b/train/graphviz/hard/graphviz_610.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7b66bb69a24e14f8f4725d7a6428071364219778
--- /dev/null
+++ b/train/graphviz/hard/graphviz_610.dot
@@ -0,0 +1,71 @@
+digraph {
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+	N4 [label="Competitor Keyword Analysis" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
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diff --git a/train/graphviz/hard/graphviz_612.txt b/train/graphviz/hard/graphviz_612.txt
new file mode 100644
index 0000000000000000000000000000000000000000..27e235d8f6ecc7fb62171ab221616067aac13b1d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_612.txt
@@ -0,0 +1,38 @@
+<Academic Search, connectedTo, Click_Through Rate Optimization>
+<Academic Search, partOf, Academic Search>
+<Click_Through Rate Optimization, connectedTo, Paid Search Advertising>
+<Click_Through Rate Optimization, partOf, Click_Through Rate Optimization>
+<Core Web Vitals Optimization, connectedTo, Paid Search Advertising>
+<Crawling Websites, connectedTo, Ranking Algorithms>
+<Featured Snippets Optimization, connectedTo, Negative SEO Prevention>
+<Featured Snippets Optimization, connectedTo, Paid Search Advertising>
+<Google My Business Management, connectedTo, Core Web Vitals Optimization>
+<Image Search, connectedTo, Search Engine Optimization>
+<Image Search, partOf, Image Search>
+<International SEO, connectedTo, Paid Search Advertising>
+<International SEO, partOf, International SEO>
+<Keyword Research, connectedTo, International SEO>
+<Keyword Research, partOf, Keyword Research>
+<Mobile_First Indexing, connectedTo, User Experience for Search>
+<Negative SEO Prevention, connectedTo, Google My Business Management>
+<Negative SEO Prevention, connectedTo, Image Search>
+<On_Page SEO, connectedTo, Academic Search>
+<On_Page SEO, connectedTo, Mobile_First Indexing>
+<On_Page SEO, connectedTo, Paid Search Advertising>
+<On_Page SEO, connectedTo, Penalties Recovery>
+<On_Page SEO, connectedTo, Search Console Management>
+<Paid Search Advertising, connectedTo, Site Architecture Optimization>
+<Ranking Algorithms, connectedTo, Penalties Recovery>
+<Search Console Management, connectedTo, Featured Snippets Optimization>
+<Search Engine Marketing Strategy, connectedTo, On_Page SEO>
+<Search Engine Marketing Strategy, connectedTo, Site Architecture Optimization>
+<Search Engine Marketing Strategy, optimizes for mobile, Paid Search Advertising>
+<Search Engine Optimization, connectedTo, Keyword Research>
+<Search Engine Optimization, partOf, Search Engine Optimization>
+<Site Architecture Optimization, connectedTo, Video Search>
+<User Experience for Search, connectedTo, Crawling Websites>
+<User Experience for Search, connectedTo, Voice Search Optimization>
+<User Experience for Search, indexes academic papers, Ranking Algorithms>
+<User Experience for Search, optimizes on_page, Penalties Recovery>
+<Video Search, designs site architecture, Mobile_First Indexing>
+<Voice Search Optimization, connectedTo, Crawling Websites>
diff --git a/train/graphviz/hard/graphviz_613.txt b/train/graphviz/hard/graphviz_613.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d5694cfb545b5e79a48efbad6556d9396068360
--- /dev/null
+++ b/train/graphviz/hard/graphviz_613.txt
@@ -0,0 +1,37 @@
+<Academic Search, connectedTo, Crawling Websites>
+<Academic Search, connectedTo, Penalties Recovery>
+<Algorithm Updates Monitoring, connectedTo, Voice Search Optimization>
+<Algorithm Updates Monitoring, partOf, Algorithm Updates Monitoring>
+<Crawling Websites, connectedTo, Penalties Recovery>
+<Indexing Content, connectedTo, Crawling Websites>
+<Indexing Content, connectedTo, International SEO>
+<Indexing Content, connectedTo, Penalties Recovery>
+<Indexing Content, connectedTo, Search Engine Optimization>
+<Indexing Content, connectedTo, Shopping Search>
+<International SEO, connectedTo, Algorithm Updates Monitoring>
+<International SEO, connectedTo, Shopping Search>
+<Mobile_First Indexing, connectedTo, On_Page SEO>
+<Negative SEO Prevention, connectedTo, Academic Search>
+<Negative SEO Prevention, connectedTo, Crawling Websites>
+<Negative SEO Prevention, connectedTo, Mobile_First Indexing>
+<Negative SEO Prevention, connectedTo, Paid Search Advertising>
+<Negative SEO Prevention, connectedTo, Site Architecture Optimization>
+<On_Page SEO, indexes content, Site Architecture Optimization>
+<Paid Search Advertising, connectedTo, Indexing Content>
+<Paid Search Advertising, indexes videos, Penalties Recovery>
+<Penalties Recovery, connectedTo, Mobile_First Indexing>
+<Rank Tracking, connectedTo, Academic Search>
+<Rank Tracking, partOf, Rank Tracking>
+<Ranking Algorithms, connectedTo, Rank Tracking>
+<Ranking Algorithms, partOf, Ranking Algorithms>
+<Search Engine Marketing Strategy, connectedTo, Google Analytics Integration>
+<Search Engine Marketing Strategy, partOf, Search Engine Marketing Strategy>
+<Search Engine Optimization, connectedTo, Academic Search>
+<Search Engine Optimization, connectedTo, Crawling Websites>
+<Search Engine Optimization, optimizes local search, Technical SEO>
+<Shopping Search, connectedTo, Search Engine Optimization>
+<Site Architecture Optimization, connectedTo, Google Analytics Integration>
+<Technical SEO, connectedTo, Ranking Algorithms>
+<Technical SEO, partOf, Technical SEO>
+<Voice Search Optimization, connectedTo, Search Engine Marketing Strategy>
+<Voice Search Optimization, partOf, Voice Search Optimization>
diff --git a/train/graphviz/hard/graphviz_614.txt b/train/graphviz/hard/graphviz_614.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c36eb07738e2c9c117f7b352de29117d3f5d00ba
--- /dev/null
+++ b/train/graphviz/hard/graphviz_614.txt
@@ -0,0 +1,39 @@
+<Click_Through Rate Optimization, connectedTo, Local SEO>
+<Competitor Keyword Analysis, connectedTo, User Intent Understanding>
+<Content Quality Assessment, connectedTo, Voice Search Optimization>
+<Content Quality Assessment, partOf, Content Quality Assessment>
+<Featured Snippets Optimization, connectedTo, Indexing Content>
+<Featured Snippets Optimization, partOf, Featured Snippets Optimization>
+<Indexing Content, connectedTo, Personalized Search Results>
+<Indexing Content, partOf, Indexing Content>
+<International SEO, connectedTo, Core Web Vitals Optimization>
+<International SEO, connectedTo, Search Console Management>
+<Local SEO, connectedTo, Voice Search Optimization>
+<On_Page SEO, connectedTo, Competitor Keyword Analysis>
+<On_Page SEO, connectedTo, Core Web Vitals Optimization>
+<On_Page SEO, connectedTo, Query Processing>
+<On_Page SEO, connectedTo, Site Architecture Optimization>
+<Personalized Search Results, connectedTo, Content Quality Assessment>
+<Personalized Search Results, partOf, Personalized Search Results>
+<Query Processing, connectedTo, Technical SEO>
+<Schema Markup Implementation, connectedTo, Search Engine Optimization>
+<Schema Markup Implementation, partOf, Schema Markup Implementation>
+<Search Console Management, connectedTo, On_Page SEO>
+<Search Engine Optimization, connectedTo, Semantic Search>
+<Search Engine Optimization, partOf, Search Engine Optimization>
+<Search Result Display, connectedTo, Schema Markup Implementation>
+<Search Result Display, partOf, Search Result Display>
+<Semantic Search, connectedTo, Voice Search Optimization>
+<Semantic Search, partOf, Semantic Search>
+<Site Architecture Optimization, connectedTo, Local SEO>
+<Site Architecture Optimization, connectedTo, Query Processing>
+<Site Architecture Optimization, connectedTo, User Intent Understanding>
+<Site Architecture Optimization, connectedTo, Voice Search Optimization>
+<Technical SEO, handles voice search, Core Web Vitals Optimization>
+<Technical SEO, improves CTR, Competitor Keyword Analysis>
+<User Intent Understanding, connectedTo, Click_Through Rate Optimization>
+<User Intent Understanding, connectedTo, Core Web Vitals Optimization>
+<User Intent Understanding, connectedTo, Search Result Display>
+<User Intent Understanding, connectedTo, Voice Search Optimization>
+<Voice Search Optimization, connectedTo, Core Web Vitals Optimization>
+<Voice Search Optimization, connectedTo, Featured Snippets Optimization>
diff --git a/train/graphviz/hard/graphviz_615.dot b/train/graphviz/hard/graphviz_615.dot
new file mode 100644
index 0000000000000000000000000000000000000000..45d46106235c16f759725d0aaa72d28a8bb75410
--- /dev/null
+++ b/train/graphviz/hard/graphviz_615.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=BT
+	N0 [label="Rank Tracking" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N1 [label="Core Web Vitals Optimization" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="Semantic Search" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N3 [label="Local SEO" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N4 [label="Paid Search Advertising" color="#AED581" fillcolor="#F0F4C3" shape=oval style=filled]
+	N5 [label="Google My Business Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+	N6 [label="Search Engine Optimization" color="#AED581" fillcolor="#F0F4C3" shape=octagon style=filled]
+	N7 [label="Video Search" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N8 [label="Voice Search Optimization" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N9 [label="News Search" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N10 [label="Search Result Display" color="#81C784" fillcolor="#F1F8E9" shape=plaintext style=filled]
+	N11 [label="Crawling Websites" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N12 [label="International SEO" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	S0 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Personalized Search Results" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Query Processing" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+		nest0_1 [label="Ranking Algorithms" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_2 [label="Off_Page SEO" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_3 [label="User Experience for Search" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Negative SEO Prevention" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Featured Snippets Optimization" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+		nest1_1 [label="Site Architecture Optimization" color="#AED581" fillcolor="#F0F4C3" shape=octagon style=filled]
+		nest1_2 [label="Click_Through Rate Optimization" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest1_3 [label="Shopping Search" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+		nest1_0 -> nest1_1 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label="indexes content" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N10 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [label="optimizes UX" color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_616.dot b/train/graphviz/hard/graphviz_616.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1e8e6dc34e20f1bb357203a8e80c82874bd65675
--- /dev/null
+++ b/train/graphviz/hard/graphviz_616.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=TD
+	N0 [label="Rank Tracking" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label="Google Analytics Integration" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N2 [label="Mobile_First Indexing" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N3 [label="International SEO" color="#2196F3" fillcolor="#BBDEFB" shape=folder style=filled]
+	N4 [label="Knowledge Graph Integration" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N5 [label="Core Web Vitals Optimization" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N6 [label="User Experience for Search" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N7 [label="News Search" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N8 [label="Crawling Websites" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N9 [label="Featured Snippets Optimization" color="#607D8B" fillcolor="#CFD8DC" shape=plaintext style=filled]
+	N10 [label="Image Search" color="#607D8B" fillcolor="#CFD8DC" shape=plaintext style=filled]
+	N11 [label="Search Result Display" color="#7E57C2" fillcolor="#EDE7F6" shape=folder style=filled]
+	N12 [label="On_Page SEO" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N13 [label="Negative SEO Prevention" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N14 [label="Site Architecture Optimization" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#607D8B" fillcolor="#CFD8DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Indexing Content" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Content Quality Assessment" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+		nest0_1 [label="Semantic Search" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest0_2 [label="Search Engine Optimization" color="#7E57C2" fillcolor="#EDE7F6" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Shopping Search" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Search Engine Marketing Strategy" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+		nest1_1 [label="Local SEO" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+		nest1_2 [label="Personalized Search Results" color="#2196F3" fillcolor="#BBDEFB" shape=Mdiamond style=filled]
+		nest1_3 [label="Off_Page SEO" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N13 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest1_0 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M1 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M2 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [label="manages penalties" color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N9 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_616.txt b/train/graphviz/hard/graphviz_616.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1bf064c718d715014fa594e051e182753e1e411a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_616.txt
@@ -0,0 +1,41 @@
+<Content Quality Assessment, connectedTo, Semantic Search>
+<Content Quality Assessment, partOf, Content Quality Assessment>
+<Core Web Vitals Optimization, connectedTo, User Experience for Search>
+<Crawling Websites, connectedTo, Featured Snippets Optimization>
+<Featured Snippets Optimization, connectedTo, Image Search>
+<Featured Snippets Optimization, connectedTo, On_Page SEO>
+<Google Analytics Integration, connectedTo, Content Quality Assessment>
+<Google Analytics Integration, connectedTo, Image Search>
+<Google Analytics Integration, connectedTo, Knowledge Graph Integration>
+<Google Analytics Integration, connectedTo, Mobile_First Indexing>
+<Google Analytics Integration, connectedTo, News Search>
+<Google Analytics Integration, connectedTo, On_Page SEO>
+<Google Analytics Integration, manages penalties, Featured Snippets Optimization>
+<Image Search, connectedTo, Search Engine Marketing Strategy>
+<Image Search, connectedTo, Search Result Display>
+<International SEO, connectedTo, Knowledge Graph Integration>
+<Knowledge Graph Integration, connectedTo, Core Web Vitals Optimization>
+<Knowledge Graph Integration, connectedTo, News Search>
+<Local SEO, connectedTo, Personalized Search Results>
+<Local SEO, partOf, Local SEO>
+<Mobile_First Indexing, connectedTo, Featured Snippets Optimization>
+<Mobile_First Indexing, connectedTo, International SEO>
+<Negative SEO Prevention, connectedTo, Site Architecture Optimization>
+<News Search, connectedTo, Crawling Websites>
+<Off_Page SEO, connectedTo, Knowledge Graph Integration>
+<Off_Page SEO, partOf, Off_Page SEO>
+<On_Page SEO, connectedTo, Negative SEO Prevention>
+<Personalized Search Results, connectedTo, Off_Page SEO>
+<Personalized Search Results, partOf, Personalized Search Results>
+<Rank Tracking, connectedTo, Google Analytics Integration>
+<Search Engine Marketing Strategy, connectedTo, Local SEO>
+<Search Engine Marketing Strategy, partOf, Search Engine Marketing Strategy>
+<Search Engine Optimization, connectedTo, Negative SEO Prevention>
+<Search Engine Optimization, partOf, Search Engine Optimization>
+<Search Result Display, connectedTo, Negative SEO Prevention>
+<Search Result Display, connectedTo, On_Page SEO>
+<Search Result Display, connectedTo, Site Architecture Optimization>
+<Semantic Search, connectedTo, Search Engine Optimization>
+<Semantic Search, partOf, Semantic Search>
+<User Experience for Search, connectedTo, News Search>
+<User Experience for Search, connectedTo, On_Page SEO>
diff --git a/train/graphviz/hard/graphviz_617.dot b/train/graphviz/hard/graphviz_617.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c1325dd0e5dc7e468110920dd2f54e40553f374e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_617.dot
@@ -0,0 +1,81 @@
+digraph {
+	rankdir=RL
+	N0 [label="Adaptive Authentication" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N1 [label="User Registration" color="#FFCC80" fillcolor="#FFF0CC" shape=oval style=filled]
+	N2 [label="Blockchain_based Identity" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N3 [label="Identity as a Service" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+	N4 [label="Social Login Integration" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N5 [label="Identity Threat Detection and Response" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N6 [label="Compliance with Data Protection Regulations" color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N7 [label="Identity Verification" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N8 [label="Workforce Identity Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N9 [label="Identity Lifecycle Management" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N10 [label="Multi_Factor Authentication" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N11 [label="API Security for Identity" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N12 [label=De_provisioning color="#FFEB3B" fillcolor="#FFF9C4" shape=Mdiamond style=filled]
+	N13 [label="User Provisioning" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N14 [label="Digital Signatures" color="#FFCC80" fillcolor="#FFF0CC" shape=Mdiamond style=filled]
+	N15 [label="Privacy Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N16 [label="Identity Proofing" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFEB3B" fillcolor="#FFF9C4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFCC80" fillcolor="#FFF0CC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Attribute Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Digital Wallets for Identity" color="#FFEB3B" fillcolor="#FFF9C4" shape=oval style=filled]
+		nest0_1 [label="Digital Certificates" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+		nest0_2 [label="Consent Management" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Biometric Authentication" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Fraud Detection in Identity" color="#FFEB3B" fillcolor="#FFF9C4" shape=octagon style=filled]
+		nest1_1 [label="Privileged Access Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest1_2 [label="Data Encryption for Identity" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+		nest1_3 [label="Password Management" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
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+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="provisions users" color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label="manages lifecycles" color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N8 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N15 -> nest1_0 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N14 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#FFCC80" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N6 -> S2 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S2 -> N16 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S2 -> N13 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [label="assesses risks" color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_617.txt b/train/graphviz/hard/graphviz_617.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d4dbea1a6e3ba0970063120a5d7fd784dde4374
--- /dev/null
+++ b/train/graphviz/hard/graphviz_617.txt
@@ -0,0 +1,45 @@
+<API Security for Identity, manages lifecycles, De_provisioning>
+<Adaptive Authentication, connectedTo, Compliance with Data Protection Regulations>
+<Adaptive Authentication, connectedTo, User Registration>
+<Blockchain_based Identity, connectedTo, Identity as a Service>
+<Compliance with Data Protection Regulations, connectedTo, De_provisioning>
+<Compliance with Data Protection Regulations, connectedTo, Identity Proofing>
+<Compliance with Data Protection Regulations, connectedTo, Identity Verification>
+<Compliance with Data Protection Regulations, connectedTo, Multi_Factor Authentication>
+<Compliance with Data Protection Regulations, connectedTo, User Provisioning>
+<Consent Management, connectedTo, Workforce Identity Management>
+<Consent Management, partOf, Consent Management>
+<Data Encryption for Identity, connectedTo, Password Management>
+<Data Encryption for Identity, partOf, Data Encryption for Identity>
+<De_provisioning, connectedTo, User Provisioning>
+<Digital Certificates, connectedTo, Consent Management>
+<Digital Certificates, partOf, Digital Certificates>
+<Digital Signatures, connectedTo, Privacy Management>
+<Digital Wallets for Identity, connectedTo, Digital Certificates>
+<Digital Wallets for Identity, partOf, Digital Wallets for Identity>
+<Fraud Detection in Identity, connectedTo, Privileged Access Management>
+<Fraud Detection in Identity, partOf, Fraud Detection in Identity>
+<Identity Lifecycle Management, connectedTo, Multi_Factor Authentication>
+<Identity Threat Detection and Response, provisions users, Compliance with Data Protection Regulations>
+<Identity Verification, connectedTo, Workforce Identity Management>
+<Identity as a Service, connectedTo, Compliance with Data Protection Regulations>
+<Identity as a Service, connectedTo, De_provisioning>
+<Identity as a Service, connectedTo, Social Login Integration>
+<Identity as a Service, connectedTo, User Provisioning>
+<Identity as a Service, connectedTo, Workforce Identity Management>
+<Multi_Factor Authentication, connectedTo, API Security for Identity>
+<Multi_Factor Authentication, connectedTo, Digital Wallets for Identity>
+<Password Management, connectedTo, Digital Signatures>
+<Password Management, partOf, Password Management>
+<Privacy Management, connectedTo, Fraud Detection in Identity>
+<Privacy Management, connectedTo, Identity Proofing>
+<Privileged Access Management, connectedTo, Data Encryption for Identity>
+<Privileged Access Management, partOf, Privileged Access Management>
+<Social Login Integration, assesses risks, Compliance with Data Protection Regulations>
+<Social Login Integration, connectedTo, De_provisioning>
+<Social Login Integration, connectedTo, Identity Threat Detection and Response>
+<Social Login Integration, connectedTo, Multi_Factor Authentication>
+<User Provisioning, connectedTo, Digital Signatures>
+<User Registration, connectedTo, Blockchain_based Identity>
+<User Registration, connectedTo, Compliance with Data Protection Regulations>
+<Workforce Identity Management, connectedTo, Identity Lifecycle Management>
diff --git a/train/graphviz/hard/graphviz_618.png b/train/graphviz/hard/graphviz_618.png
new file mode 100644
index 0000000000000000000000000000000000000000..ea8b9ea2c4f61cd69cd0fd5e2f0e8f007efe9658
--- /dev/null
+++ b/train/graphviz/hard/graphviz_618.png
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+version https://git-lfs.github.com/spec/v1
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+size 176540
diff --git a/train/graphviz/hard/graphviz_618.txt b/train/graphviz/hard/graphviz_618.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10b3b6ccdacdb91839ea3f995c52eef1cd3100d2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_618.txt
@@ -0,0 +1,30 @@
+<Access Governance, connectedTo, Adaptive Authentication>
+<Access Governance, partOf, Access Governance>
+<Adaptive Authentication, connectedTo, Digital Certificates>
+<Authorization, connectedTo, Digital Wallets for Identity>
+<Biometric Authentication, connectedTo, Identity as a Service>
+<Biometric Authentication, connectedTo, Portable Identities>
+<Compliance with Data Protection Regulations, connectedTo, Workforce Identity Management>
+<Consent Management, federates identities, Privileged Access Management>
+<Consent Management, partOf, Consent Management>
+<Decentralized Identifiers, connectedTo, Adaptive Authentication>
+<Decentralized Identifiers, connectedTo, Authorization>
+<Decentralized Identifiers, connectedTo, Biometric Authentication>
+<Decentralized Identifiers, connectedTo, Compliance with Data Protection Regulations>
+<Decentralized Identifiers, connectedTo, Consent Management>
+<Decentralized Identifiers, connectedTo, Digital Certificates>
+<Decentralized Identifiers, connectedTo, Digital Wallets for Identity>
+<Decentralized Identifiers, connectedTo, Identity as a Service>
+<Decentralized Identifiers, manages workforces, Digital Certificates>
+<Digital Certificates, connectedTo, Authorization>
+<Digital Certificates, connectedTo, Consent Management>
+<Digital Signatures, connectedTo, Digital Certificates>
+<Digital Signatures, partOf, Digital Signatures>
+<Digital Wallets for Identity, connectedTo, Biometric Authentication>
+<Portable Identities, connectedTo, Verifiable Credentials>
+<Portable Identities, partOf, Portable Identities>
+<Privileged Access Management, connectedTo, Access Governance>
+<Privileged Access Management, partOf, Privileged Access Management>
+<Verifiable Credentials, implements PAM, Digital Signatures>
+<Verifiable Credentials, partOf, Verifiable Credentials>
+<Workforce Identity Management, connectedTo, Decentralized Identifiers>
diff --git a/train/graphviz/hard/graphviz_619.dot b/train/graphviz/hard/graphviz_619.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7006c9b5b2720259d7f10dc155935800ff639b61
--- /dev/null
+++ b/train/graphviz/hard/graphviz_619.dot
@@ -0,0 +1,80 @@
+digraph {
+	rankdir=TD
+	N0 [label="Credential Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N1 [label="Decentralized Identifiers" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N2 [label="Attribute Management" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N3 [label=De_provisioning color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N4 [label="Social Login Integration" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N5 [label="Identity as a Service" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N6 [label="Password Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N7 [label="Customer Identity and Access Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=octagon style=filled]
+	N8 [label="Digital Certificates" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
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+		nest0_2 [label="KYC Integration" color="#388E3C" fillcolor="#F1F8E9" shape=oval style=filled]
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+		nest0_2 -> nest0_3 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="API Security for Identity" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+		nest1_1 [label="Multi_Factor Authentication" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
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+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label="stores attributes" color="#388E3C" dir=forward penwidth=1.5 style=solid]
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+	S2 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
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+	N2 -> M0 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
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+	N6 -> M1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_620.txt b/train/graphviz/hard/graphviz_620.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c27cde4d94fa9351bfcde9f6419ad898f35d743e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_620.txt
@@ -0,0 +1,37 @@
+<API Security for Identity, connectedTo, Single Sign_On>
+<Access Governance, connectedTo, Digital Certificates>
+<Access Governance, partOf, Access Governance>
+<Attribute Management, connectedTo, Non_Repudiation>
+<Attribute Management, partOf, Attribute Management>
+<Biometric Authentication, connectedTo, API Security for Identity>
+<Biometric Authentication, connectedTo, Decentralized Identifiers>
+<Biometric Authentication, connectedTo, Non_Repudiation>
+<Biometric Authentication, connectedTo, Risk_Based Authentication>
+<Biometric Authentication, connectedTo, Single Sign_On>
+<Data Encryption for Identity, connectedTo, Multi_Factor Authentication>
+<Digital Certificates, connectedTo, Attribute Management>
+<Digital Certificates, partOf, Digital Certificates>
+<Digital Wallets for Identity, connectedTo, Access Governance>
+<Digital Wallets for Identity, connectedTo, Fraud Detection in Identity>
+<Digital Wallets for Identity, connectedTo, Identity Verification>
+<Fraud Detection in Identity, connectedTo, Identity Lifecycle Management>
+<Identity Lifecycle Management, connectedTo, Biometric Authentication>
+<Identity Lifecycle Management, connectedTo, Workforce Identity Management>
+<Identity Proofing, connectedTo, Fraud Detection in Identity>
+<Identity Proofing, connectedTo, KYC Integration>
+<Identity Verification, connectedTo, API Security for Identity>
+<Identity Verification, connectedTo, Fraud Detection in Identity>
+<Identity Verification, connectedTo, Non_Repudiation>
+<KYC Integration, connectedTo, Data Encryption for Identity>
+<KYC Integration, connectedTo, Fraud Detection in Identity>
+<Multi_Factor Authentication, connectedTo, Digital Wallets for Identity>
+<Multi_Factor Authentication, connectedTo, Fraud Detection in Identity>
+<Non_Repudiation, connectedTo, Risk_Based Authentication>
+<Privacy Management, connectedTo, Privileged Access Management>
+<Privacy Management, partOf, Privacy Management>
+<Privileged Access Management, connectedTo, API Security for Identity>
+<Privileged Access Management, partOf, Privileged Access Management>
+<Risk_Based Authentication, connectedTo, Decentralized Identifiers>
+<Single Sign_On, connectedTo, Non_Repudiation>
+<Workforce Identity Management, connectedTo, Privacy Management>
+<Workforce Identity Management, partOf, Workforce Identity Management>
diff --git a/train/graphviz/hard/graphviz_621.dot b/train/graphviz/hard/graphviz_621.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6e3602a218c790154564beb94d3b02d3733a800a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_621.dot
@@ -0,0 +1,66 @@
+digraph {
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new file mode 100644
index 0000000000000000000000000000000000000000..5614d364199c104376b6aa81e614cd5f35206058
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diff --git a/train/graphviz/hard/graphviz_656.txt b/train/graphviz/hard/graphviz_656.txt
new file mode 100644
index 0000000000000000000000000000000000000000..efae31fb852d339ad6721961820957960ea35629
--- /dev/null
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+<Adult Language Learning, connectedTo, Speaking Practice>
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+<Business Language Training, connectedTo, Contextual Learning>
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+<Contextual Learning, partOf, Contextual Learning>
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+<Cultural Immersion, connectedTo, Language for Specific Purposes>
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+<Curriculum Customization, connectedTo, Cultural Immersion>
+<Curriculum Customization, connectedTo, Language for Specific Purposes>
+<Flashcard Systems, connectedTo, Translation Exercises>
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+<Grammar Practice, partOf, Grammar Practice>
+<Immersion Programs, connectedTo, Certification Exam Preparation>
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+<Instructor_Led Classes, partOf, Instructor_Led Classes>
+<Interactive Dialogues, connectedTo, Immersion Programs>
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+<Language Assessment Tests, connectedTo, Language for Specific Purposes>
+<Language for Specific Purposes, connectedTo, Adult Language Learning>
+<Language for Specific Purposes, connectedTo, Translation Exercises>
+<Listening Comprehension, connectedTo, Native Speaker Interaction>
+<Native Speaker Interaction, connectedTo, Video Lessons>
+<Reading Comprehension, connectedTo, Language Assessment Tests>
+<Reading Comprehension, connectedTo, Language for Specific Purposes>
+<Reading Comprehension, connectedTo, Translation Exercises>
+<Sentence Construction Practice, connectedTo, Translation Exercises>
+<Sentence Construction Practice, partOf, Sentence Construction Practice>
+<Speaking Practice, connectedTo, Certification Exam Preparation>
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+<Speaking Practice, connectedTo, Interactive Dialogues>
+<Speaking Practice, connectedTo, Native Speaker Interaction>
+<Speaking Practice, connectedTo, Video Lessons>
+<Translation Exercises, connectedTo, Speaking Practice>
diff --git a/train/graphviz/hard/graphviz_657.dot b/train/graphviz/hard/graphviz_657.dot
new file mode 100644
index 0000000000000000000000000000000000000000..32617c28d0052ea43d6bb2860e574f5f029e5d66
--- /dev/null
+++ b/train/graphviz/hard/graphviz_657.dot
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diff --git a/train/graphviz/hard/graphviz_658.txt b/train/graphviz/hard/graphviz_658.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6087bd7f466d82dba96d2d9fe78d89c3c902f673
--- /dev/null
+++ b/train/graphviz/hard/graphviz_658.txt
@@ -0,0 +1,37 @@
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+<Family Therapy, connectedTo, Psychiatric Evaluation>
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+<Grief Counseling, connectedTo, Schizophrenia Management>
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+<Music Therapy, connectedTo, Advocacy for Mental Health>
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diff --git a/train/graphviz/hard/graphviz_659.dot b/train/graphviz/hard/graphviz_659.dot
new file mode 100644
index 0000000000000000000000000000000000000000..807621f6c4790a695e0f8201637dae6200d0560b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_659.dot
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diff --git a/train/graphviz/hard/graphviz_659.txt b/train/graphviz/hard/graphviz_659.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3e62bba48d285e1f48350207c4ca867213a40ca6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_659.txt
@@ -0,0 +1,40 @@
+<Child & Adolescent Therapy, connectedTo, Counseling Services>
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diff --git a/train/graphviz/hard/graphviz_661.txt b/train/graphviz/hard/graphviz_661.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9066610fd2da14b9b61a06162aad252ad6860471
--- /dev/null
+++ b/train/graphviz/hard/graphviz_661.txt
@@ -0,0 +1,41 @@
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diff --git a/train/graphviz/hard/graphviz_671.txt b/train/graphviz/hard/graphviz_671.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e38167ed47e760f2d126af158a4509ca43d054ee
--- /dev/null
+++ b/train/graphviz/hard/graphviz_671.txt
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+<Child Nutrition, connectedTo, Supplement Recommendation>
+<Clinical Nutrition Support, improves, Agricultural Nutrition Impact>
+<Clinical Nutrition Support, partOf, Clinical Nutrition Support>
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+<Dietary Software Usage, connectedTo, Agricultural Nutrition Impact>
+<Disease_Specific Nutrition, connectedTo, Recipe Adaptation>
+<Disease_Specific Nutrition, partOf, Disease_Specific Nutrition>
+<Elderly Nutrition, connectedTo, Child Nutrition>
+<Elderly Nutrition, connectedTo, Dietary Software Usage>
+<Elderly Nutrition, connectedTo, Inflammation and Diet>
+<Elderly Nutrition, connectedTo, Maternal Nutrition>
+<Elderly Nutrition, connectedTo, Sports Nutrition>
+<Food Allergy Management, connectedTo, Food Preparation Guidance>
+<Food Allergy Management, connectedTo, Hydration Planning>
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+<Maternal Nutrition, connectedTo, Nutritional Biomarker Analysis>
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+<Nutritional Biomarker Analysis, connectedTo, Inflammation and Diet>
+<Nutritional Counseling, connectedTo, Food Fortification Strategies>
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+<Sports Nutrition, connectedTo, Disease_Specific Nutrition>
+<Sports Nutrition, partOf, Sports Nutrition>
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diff --git a/train/graphviz/hard/graphviz_672.dot b/train/graphviz/hard/graphviz_672.dot
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diff --git a/train/graphviz/hard/graphviz_681.txt b/train/graphviz/hard/graphviz_681.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d1a7999fe45bc5da9c0a02d0a08a430727b9f5d6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_681.txt
@@ -0,0 +1,38 @@
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+<Behavior Change Support, partOf, Behavior Change Support>
+<Biofeedback Training, connectedTo, Gut Health for Wellness>
+<Biofeedback Training, connectedTo, Meditation Coaching>
+<Biofeedback Training, connectedTo, Positive Psychology Application>
+<Biofeedback Training, connectedTo, Resilience Building>
+<Biofeedback Training, connectedTo, Wellness Retreat Planning>
+<Detox Programs, connectedTo, Behavior Change Support>
+<Detox Programs, partOf, Detox Programs>
+<Emotional Well_being, connectedTo, Personal Growth Planning>
+<Emotional Well_being, partOf, Emotional Well_being>
+<Environmental Wellness, connectedTo, Massage Therapy>
+<Gut Health for Wellness, connectedTo, Journaling for Wellness>
+<Gut Health for Wellness, connectedTo, Resilience Building>
+<Journaling for Wellness, connectedTo, Chiropractic Care>
+<Journaling for Wellness, connectedTo, Emotional Well_being>
+<Journaling for Wellness, connectedTo, Environmental Wellness>
+<Journaling for Wellness, connectedTo, Massage Therapy>
+<Journaling for Wellness, connectedTo, Meditation Coaching>
+<Massage Therapy, connectedTo, Meditation Coaching>
+<Meditation Coaching, connectedTo, Chiropractic Care>
+<Mindfulness Practice, connectedTo, Environmental Wellness>
+<Mindfulness Practice, partOf, Mindfulness Practice>
+<Personal Growth Planning, connectedTo, Gut Health for Wellness>
+<Personal Growth Planning, partOf, Personal Growth Planning>
+<Positive Psychology Application, connectedTo, Detox Programs>
+<Positive Psychology Application, connectedTo, Gut Health for Wellness>
+<Positive Psychology Application, connectedTo, Journaling for Wellness>
+<Positive Psychology Application, connectedTo, Meditation Coaching>
+<Positive Psychology Application, connectedTo, Resilience Building>
+<Resilience Building, connectedTo, Journaling for Wellness>
+<Resilience Building, connectedTo, Meditation Coaching>
+<Stress Management, connectedTo, Biofeedback Training>
+<Stress Management, connectedTo, Resilience Building>
+<Stress Management, manages, Meditation Coaching>
+<Wellness Retreat Planning, connectedTo, Journaling for Wellness>
+<Wellness Retreat Planning, connectedTo, Positive Psychology Application>
+<Wellness Retreat Planning, connectedTo, Resilience Building>
diff --git a/train/graphviz/hard/graphviz_687.dot b/train/graphviz/hard/graphviz_687.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f3e5df7f831eb3ee6a53bc7e9bd19787bafb0277
--- /dev/null
+++ b/train/graphviz/hard/graphviz_687.dot
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diff --git a/train/graphviz/hard/graphviz_688.dot b/train/graphviz/hard/graphviz_688.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cb50f7f8d538d2110b16b75fa0667d465a2efb6d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_688.dot
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diff --git a/train/graphviz/hard/graphviz_689.txt b/train/graphviz/hard/graphviz_689.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55c7e256151b98dc85328ef5a767da83c80a9a21
--- /dev/null
+++ b/train/graphviz/hard/graphviz_689.txt
@@ -0,0 +1,41 @@
+<3D Rendering, connectedTo, Site Measurement>
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+<Art and Accessory Curation, connectedTo, Hospitality Interior Design>
+<Art and Accessory Curation, connectedTo, Retail Interior Design>
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+<Bathroom Design, markets, 3D Rendering>
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+<Building Code Compliance, connectedTo, Smart Home Technology Integration>
+<CAD Drafting, connectedTo, Kitchen Design>
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+<Kitchen Design, partOf, Kitchen Design>
+<Living Room Design, connectedTo, Bathroom Design>
+<Living Room Design, connectedTo, Ventilation Planning>
+<Material and Finish Specification, connectedTo, Art and Accessory Curation>
+<Material and Finish Specification, partOf, Material and Finish Specification>
+<Post_Occupancy Evaluation, connectedTo, Smart Home Technology Integration>
+<Post_Occupancy Evaluation, partOf, Post_Occupancy Evaluation>
+<Retail Interior Design, certifies, CAD Drafting>
+<Retail Interior Design, partOf, Retail Interior Design>
+<Site Measurement, connectedTo, Art and Accessory Curation>
+<Smart Home Technology Integration, connectedTo, Art and Accessory Curation>
+<Smart Home Technology Integration, connectedTo, Bathroom Design>
+<Smart Home Technology Integration, connectedTo, Construction Documentation>
+<Smart Home Technology Integration, connectedTo, Living Room Design>
+<Smart Home Technology Integration, materials, Ventilation Planning>
+<Sustainable Design Practices, connectedTo, Feng Shui Consultation>
+<Ventilation Planning, connectedTo, Bathroom Design>
diff --git a/train/graphviz/hard/graphviz_69.dot b/train/graphviz/hard/graphviz_69.dot
new file mode 100644
index 0000000000000000000000000000000000000000..299286e96fe1759081a50e5d392994dd61e8866d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_69.dot
@@ -0,0 +1,77 @@
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+<Feng Shui Consultation, selects, Bedroom Design>
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+<Mood Board Creation, connectedTo, Installation Supervision>
+<Office Space Design, connectedTo, Art and Accessory Curation>
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+<Post_Occupancy Evaluation, connectedTo, Smart Home Technology Integration>
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+<Smart Home Technology Integration, connectedTo, Project Management>
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+<Textile and Fabric Selection, partOf, Textile and Fabric Selection>
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diff --git a/train/graphviz/hard/graphviz_692.txt b/train/graphviz/hard/graphviz_692.txt
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index 0000000000000000000000000000000000000000..dd1c166a0b151ccd3c3e6e97ce1df5cb39dd5e46
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+<3D Rendering, connectedTo, Bedroom Design>
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+<Acoustic Treatment, connectedTo, Budget Management>
+<Acoustic Treatment, connectedTo, Material and Finish Specification>
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+<Treasury Management, connectedTo, Credit Card Application>
+<Underwriting, analyzes, Credit Scoring>
+<Venture Capital Funding, connectedTo, Customer Onboarding>
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+<Warehouse Entry, insures, Cross_docking>
diff --git a/train/graphviz/hard/graphviz_701.txt b/train/graphviz/hard/graphviz_701.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8410d4f4ed151c74efdf35aebf8243a55229ba7d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_701.txt
@@ -0,0 +1,29 @@
+<Accent Adaptation, connectedTo, Emotion Detection in Speech>
+<Accent Adaptation, connectedTo, Glossary Management>
+<Accent Adaptation, connectedTo, Live Event Translation>
+<Accent Adaptation, connectedTo, Medical Translation>
+<Contextual Understanding, connectedTo, Emotion Detection in Speech>
+<Contextual Understanding, partOf, Contextual Understanding>
+<Customer Support Translation, connectedTo, Pronunciation Correction>
+<Customer Support Translation, connectedTo, Real_Time Captioning>
+<Customer Support Translation, filters, Noise Reduction for Speech Input>
+<Emotion Detection in Speech, connectedTo, Glossary Management>
+<Emotion Detection in Speech, connectedTo, Neural Machine Translation>
+<Emotion Detection in Speech, sells, Speech Recognition>
+<Glossary Management, connectedTo, Live Event Translation>
+<Medical Translation, connectedTo, Real_Time Captioning>
+<Multimodal Translation, connectedTo, Contextual Understanding>
+<Multimodal Translation, partOf, Multimodal Translation>
+<Neural Machine Translation, connectedTo, Multimodal Translation>
+<Neural Machine Translation, partOf, Neural Machine Translation>
+<Noise Reduction for Speech Input, connectedTo, Emotion Detection in Speech>
+<Noise Reduction for Speech Input, connectedTo, Glossary Management>
+<Noise Reduction for Speech Input, connectedTo, Live Event Translation>
+<Pronunciation Correction, connectedTo, Accent Adaptation>
+<Pronunciation Correction, connectedTo, Glossary Management>
+<Real_Time Captioning, connectedTo, Glossary Management>
+<Real_Time Captioning, connectedTo, Noise Reduction for Speech Input>
+<Simultaneous Interpretation, partOf, Simultaneous Interpretation>
+<Simultaneous Interpretation, recognizes, Medical Translation>
+<Speech Recognition, connectedTo, Simultaneous Interpretation>
+<Speech Recognition, partOf, Speech Recognition>
diff --git a/train/graphviz/hard/graphviz_702.dot b/train/graphviz/hard/graphviz_702.dot
new file mode 100644
index 0000000000000000000000000000000000000000..030008e6d5802dd4a75e7f022f3ae28277e7ae26
--- /dev/null
+++ b/train/graphviz/hard/graphviz_702.dot
@@ -0,0 +1,70 @@
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diff --git a/train/graphviz/hard/graphviz_703.txt b/train/graphviz/hard/graphviz_703.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a14a50bcfef04685fe7a9624151d5159dfada87
--- /dev/null
+++ b/train/graphviz/hard/graphviz_703.txt
@@ -0,0 +1,30 @@
+<Consecutive Interpretation, connectedTo, Simultaneous Interpretation>
+<Continuous Learning Models for Translation, connectedTo, Speaker Diarization>
+<Continuous Learning Models for Translation, partOf, Continuous Learning Models for Translation>
+<Cross_Lingual Communication, connectedTo, Consecutive Interpretation>
+<Cross_Lingual Communication, connectedTo, Offline Translation Capabilities>
+<Customer Support Translation, connectedTo, Data Security for Translated Content>
+<Customer Support Translation, connectedTo, Language Detection>
+<Data Security for Translated Content, connectedTo, Tone Recognition>
+<Language Detection, connectedTo, Technical Manual Translation>
+<Language Detection, partOf, Language Detection>
+<Legal Document Translation, connectedTo, Tone Recognition>
+<Legal Document Translation, connectedTo, Voice Biometrics>
+<Machine Translation Engine, connectedTo, Cross_Lingual Communication>
+<Machine Translation Engine, converts, Consecutive Interpretation>
+<Multimodal Translation, deploys, Legal Document Translation>
+<Offline Translation Capabilities, connectedTo, Consecutive Interpretation>
+<Offline Translation Capabilities, connectedTo, Continuous Learning Models for Translation>
+<Real_Time Document Translation, connectedTo, Consecutive Interpretation>
+<Real_Time Document Translation, partOf, Real_Time Document Translation>
+<Simultaneous Interpretation, connectedTo, Customer Support Translation>
+<Simultaneous Interpretation, connectedTo, Data Security for Translated Content>
+<Simultaneous Interpretation, connectedTo, Legal Document Translation>
+<Simultaneous Interpretation, connectedTo, Multimodal Translation>
+<Speaker Diarization, connectedTo, Voice Biometrics>
+<Speaker Diarization, partOf, Speaker Diarization>
+<Technical Manual Translation, connectedTo, Real_Time Document Translation>
+<Technical Manual Translation, partOf, Technical Manual Translation>
+<Voice Biometrics, connectedTo, Customer Support Translation>
+<Voice Biometrics, connectedTo, Data Security for Translated Content>
+<Voice Biometrics, connectedTo, Tone Recognition>
diff --git a/train/graphviz/hard/graphviz_704.dot b/train/graphviz/hard/graphviz_704.dot
new file mode 100644
index 0000000000000000000000000000000000000000..157292cd548df7ecc189eb0d01b4f5194e05b090
--- /dev/null
+++ b/train/graphviz/hard/graphviz_704.dot
@@ -0,0 +1,77 @@
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diff --git a/train/graphviz/hard/graphviz_705.dot b/train/graphviz/hard/graphviz_705.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e5b43c13eaa13653c0a828cc810659f8c8bcf263
--- /dev/null
+++ b/train/graphviz/hard/graphviz_705.dot
@@ -0,0 +1,79 @@
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+	nest0_2 -> N9 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
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+	nest1_1 -> N7 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N8 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N17 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=repairs color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_706.txt b/train/graphviz/hard/graphviz_706.txt
new file mode 100644
index 0000000000000000000000000000000000000000..85d66b135b370ce9ac506ddc0f8c6ba841cdf29a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_706.txt
@@ -0,0 +1,36 @@
+<Autonomous Flight, connectedTo, Drone Design>
+<Battery Management System, connectedTo, Autonomous Flight>
+<Collision Avoidance Systems, connectedTo, Counter_Drone Systems>
+<Collision Avoidance Systems, connectedTo, Data Processing from Drones>
+<Collision Avoidance Systems, connectedTo, Ground Control Station Development>
+<Collision Avoidance Systems, connectedTo, Propeller Design>
+<Collision Avoidance Systems, connectedTo, Propulsion System Development>
+<Communication Systems, connectedTo, Battery Management System>
+<Communication Systems, connectedTo, Precision Agriculture>
+<Communication Systems, connectedTo, Propeller Design>
+<Communication Systems, connectedTo, Propulsion System Development>
+<Counter_Drone Systems, connectedTo, Propeller Design>
+<Data Processing from Drones, connectedTo, Counter_Drone Systems>
+<Data Processing from Drones, connectedTo, Sensor Integration>
+<Drone Maintenance, connectedTo, Collision Avoidance Systems>
+<Drone Maintenance, connectedTo, Propeller Design>
+<Ethical Drone Use, transmits, Flight Planning Software>
+<Flight Planning Software, connectedTo, Payload Integration>
+<Ground Control Station Development, connectedTo, Wildlife Tracking>
+<Ground Control Station Development, partOf, Ground Control Station Development>
+<Payload Integration, connectedTo, Thermal Imaging with Drones>
+<Precision Agriculture, connectedTo, Battery Management System>
+<Precision Agriculture, connectedTo, Drone Maintenance>
+<Precision Agriculture, connectedTo, Propeller Design>
+<Propeller Design, connectedTo, Battery Management System>
+<Propeller Design, connectedTo, Ethical Drone Use>
+<Propeller Design, connectedTo, Propulsion System Development>
+<Propeller Design, connectedTo, Thermal Imaging with Drones>
+<Propulsion System Development, connectedTo, Ethical Drone Use>
+<Security Surveillance, connectedTo, Drone Design>
+<Security Surveillance, partOf, Security Surveillance>
+<Sensor Integration, connectedTo, Security Surveillance>
+<Sensor Integration, partOf, Sensor Integration>
+<Thermal Imaging with Drones, connectedTo, Battery Management System>
+<Wildlife Tracking, connectedTo, Drone Design>
+<Wildlife Tracking, partOf, Wildlife Tracking>
diff --git a/train/graphviz/hard/graphviz_707.dot b/train/graphviz/hard/graphviz_707.dot
new file mode 100644
index 0000000000000000000000000000000000000000..206540a742c91a2fbc2e6d8bcdb0ed84f8b6d1f0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_707.dot
@@ -0,0 +1,76 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_707.txt b/train/graphviz/hard/graphviz_707.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31810c7d14650ea43cb146db9d532b2dca20204f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_707.txt
@@ -0,0 +1,38 @@
+<AI for Drone Autonomy, connectedTo, Autonomous Flight>
+<Aerial Photography, connectedTo, Drone Design>
+<Airspace Management for Drones, connectedTo, Sensor Integration>
+<Airspace Management for Drones, monitors, Ethical Drone Use>
+<Autonomous Flight, connectedTo, Aerial Photography>
+<Autonomous Flight, connectedTo, Flight Planning Software>
+<Autonomous Flight, connectedTo, Navigation System>
+<Autonomous Flight, connectedTo, Precision Agriculture>
+<Data Processing from Drones, connectedTo, AI for Drone Autonomy>
+<Drone Design, connectedTo, Navigation System>
+<Drone Design, connectedTo, Payload Customization>
+<Drone Design, connectedTo, Precision Agriculture>
+<Drone Design, connectedTo, Security Surveillance>
+<Drone Maintenance, connectedTo, Drone Design>
+<Drone Maintenance, partOf, Drone Maintenance>
+<Environmental Monitoring, connectedTo, Airspace Management for Drones>
+<Environmental Monitoring, connectedTo, Ground Control Station Development>
+<Environmental Monitoring, connectedTo, Inspection>
+<Environmental Monitoring, connectedTo, Payload Customization>
+<Ethical Drone Use, connectedTo, Security Surveillance>
+<Flight Control System, connectedTo, Ethical Drone Use>
+<Flight Control System, partOf, Flight Control System>
+<Flight Planning Software, connectedTo, Environmental Monitoring>
+<Flight Planning Software, connectedTo, Precision Agriculture>
+<Geofencing Implementation, connectedTo, Navigation System>
+<Ground Control Station Development, connectedTo, Airspace Management for Drones>
+<Inspection, connectedTo, Aerial Photography>
+<Mapping and Surveying, connectedTo, Ground Control Station Development>
+<Navigation System, connectedTo, Propulsion System Development>
+<Payload Customization, connectedTo, Precision Agriculture>
+<Precision Agriculture, connectedTo, Geofencing Implementation>
+<Propeller Design, connectedTo, Mapping and Surveying>
+<Propulsion System Development, connectedTo, Propeller Design>
+<Propulsion System Development, connectedTo, Swarm Robotics for Drones>
+<Sensor Integration, connectedTo, Drone Maintenance>
+<Sensor Integration, partOf, Sensor Integration>
+<Swarm Robotics for Drones, connectedTo, Flight Control System>
+<Swarm Robotics for Drones, partOf, Swarm Robotics for Drones>
diff --git a/train/graphviz/hard/graphviz_708.dot b/train/graphviz/hard/graphviz_708.dot
new file mode 100644
index 0000000000000000000000000000000000000000..107f639d84f3ef8434c30e866b7ec297d36b403d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_708.dot
@@ -0,0 +1,66 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_71.dot b/train/graphviz/hard/graphviz_71.dot
new file mode 100644
index 0000000000000000000000000000000000000000..930ce5615c1e594228872f2d85c1ba9c5a452a4b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_71.dot
@@ -0,0 +1,67 @@
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diff --git a/train/graphviz/hard/graphviz_710.txt b/train/graphviz/hard/graphviz_710.txt
new file mode 100644
index 0000000000000000000000000000000000000000..550bc038b7fe34e1efc3ecfb78b0390ec89b0a87
--- /dev/null
+++ b/train/graphviz/hard/graphviz_710.txt
@@ -0,0 +1,35 @@
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+<Ethical Drone Use, receives, Data Processing from Drones>
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+<Navigation System, partOf, Navigation System>
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+<Payload Customization, connectedTo, Swarm Robotics for Drones>
+<Payload Integration, connectedTo, Wildlife Tracking>
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diff --git a/train/graphviz/hard/graphviz_711.txt b/train/graphviz/hard/graphviz_711.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b9b646ad2f2fd8dc92da52673357d97f6d84599b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_711.txt
@@ -0,0 +1,36 @@
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+<Thermal Imaging with Drones, partOf, Thermal Imaging with Drones>
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diff --git a/train/graphviz/hard/graphviz_712.dot b/train/graphviz/hard/graphviz_712.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f5b5bc2f3eed5b9f2135a3125d0f8e87c41d362c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_712.dot
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diff --git a/train/graphviz/hard/graphviz_712.txt b/train/graphviz/hard/graphviz_712.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7fe0d5ed4ecaafc59628c04ffb2e9487e03e2c58
--- /dev/null
+++ b/train/graphviz/hard/graphviz_712.txt
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diff --git a/train/graphviz/hard/graphviz_714.dot b/train/graphviz/hard/graphviz_714.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6f676e3a5c742f79e7d6b000af0d3b306555ffe1
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+	N1 -> M1 [label=partners color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_728.txt b/train/graphviz/hard/graphviz_728.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0680ac3950eb2c7195e732b65f872aa0721e4808
--- /dev/null
+++ b/train/graphviz/hard/graphviz_728.txt
@@ -0,0 +1,34 @@
+<Accessibility for Users, connectedTo, Data Analytics for Usage Patterns>
+<Autonomous Shared Vehicles, connectedTo, Customer Support>
+<Autonomous Shared Vehicles, connectedTo, Geofencing for Operations>
+<Bike_sharing Services, connectedTo, Subscription Model Management>
+<Bike_sharing Services, partOf, Bike_sharing Services>
+<Car_sharing Services, connectedTo, Geofencing for Operations>
+<Car_sharing Services, partOf, Car_sharing Services>
+<Carbon Emission Tracking, connectedTo, Demand Prediction>
+<Customer Support, connectedTo, Accessibility for Users>
+<Customer Support, connectedTo, Bike_sharing Services>
+<Customer Support, connectedTo, Carbon Emission Tracking>
+<Customer Support, connectedTo, Micro_mobility Management>
+<Data Analytics for Usage Patterns, connectedTo, Micro_mobility Management>
+<Data Analytics for Usage Patterns, regulates, Smart City Integration>
+<Driver Management, connectedTo, Vehicle Rebalancing>
+<Driver Management, partOf, Driver Management>
+<Geofencing for Operations, connectedTo, Carbon Emission Tracking>
+<Micro_mobility Management, connectedTo, Demand Prediction>
+<Micro_mobility Management, connectedTo, Geofencing for Operations>
+<Micro_mobility Management, connectedTo, Parking Integration>
+<Micro_mobility Management, maintains, Carbon Emission Tracking>
+<Parking Integration, connectedTo, Geofencing for Operations>
+<Public_Private Partnerships, connectedTo, Parking Integration>
+<Public_Private Partnerships, partOf, Public_Private Partnerships>
+<Regulatory Compliance, connectedTo, Autonomous Shared Vehicles>
+<Regulatory Compliance, connectedTo, Geofencing for Operations>
+<Regulatory Compliance, drives, Driver Management>
+<Smart City Integration, connectedTo, Micro_mobility Management>
+<Subscription Model Management, connectedTo, Public_Private Partnerships>
+<Subscription Model Management, partOf, Subscription Model Management>
+<User Rating and Feedback Systems, connectedTo, Micro_mobility Management>
+<User Rating and Feedback Systems, connectedTo, Regulatory Compliance>
+<Vehicle Rebalancing, connectedTo, Car_sharing Services>
+<Vehicle Rebalancing, partOf, Vehicle Rebalancing>
diff --git a/train/graphviz/hard/graphviz_729.dot b/train/graphviz/hard/graphviz_729.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e79df197fb98a7a7fdba30c99f510d38ce47bfcb
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_73.dot b/train/graphviz/hard/graphviz_73.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b2dd19f9ace8250bb913b69b4b0920d446d1da99
--- /dev/null
+++ b/train/graphviz/hard/graphviz_73.dot
@@ -0,0 +1,72 @@
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diff --git a/train/graphviz/hard/graphviz_73.png b/train/graphviz/hard/graphviz_73.png
new file mode 100644
index 0000000000000000000000000000000000000000..5bbc8735eb5133d3d56b61591e977edcf03034ac
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+++ b/train/graphviz/hard/graphviz_73.png
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diff --git a/train/graphviz/hard/graphviz_73.txt b/train/graphviz/hard/graphviz_73.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e72a261e7259710ac60122033b7913ab2dca8d9f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_73.txt
@@ -0,0 +1,38 @@
+<Antenna Maintenance, detects, Technical Support Escalation>
+<Antenna Maintenance, partOf, Antenna Maintenance>
+<Base Station Installation, connectedTo, Plan Suspension>
+<Billing Inquiry, connectedTo, Base Station Installation>
+<Billing Inquiry, connectedTo, Outage Detection>
+<Billing Inquiry, connectedTo, Plan Selection>
+<Billing Inquiry, connectedTo, SMS Delivery>
+<Device Setup, connectedTo, Antenna Maintenance>
+<Device Setup, partOf, Device Setup>
+<Fiber Optic Deployment, connectedTo, Base Station Installation>
+<Fiber Optic Deployment, connectedTo, Billing Inquiry>
+<Fiber Optic Deployment, connectedTo, Payment Received>
+<Fiber Optic Deployment, connectedTo, Plan Selection>
+<Fiber Optic Deployment, connectedTo, SMS Delivery>
+<Network Activation, connectedTo, Base Station Installation>
+<Network Activation, partOf, Network Activation>
+<Outage Detection, authorizes, Network Activation>
+<Outage Detection, partOf, Outage Detection>
+<Payment Received, connectedTo, Base Station Installation>
+<Payment Received, connectedTo, Billing Inquiry>
+<Payment Received, connectedTo, Plan Suspension>
+<Payment Received, connectedTo, SMS Delivery>
+<Plan Renewal, connectedTo, Service Complaint>
+<Plan Selection, connectedTo, Base Station Installation>
+<Plan Suspension, optimizes, Speed Throttling>
+<SMS Delivery, connectedTo, Plan Selection>
+<SMS Delivery, connectedTo, Service Level Agreement>
+<Service Level Agreement, connectedTo, Plan Selection>
+<Speed Throttling, connectedTo, Device Setup>
+<Speed Throttling, routes, Plan Renewal>
+<Technical Support Escalation, connectedTo, Billing Inquiry>
+<Technical Support Escalation, partOf, Technical Support Escalation>
+<Usage Monitoring, connectedTo, Base Station Installation>
+<Usage Monitoring, connectedTo, Billing Inquiry>
+<Usage Monitoring, connectedTo, Fiber Optic Deployment>
+<Usage Monitoring, connectedTo, Payment Received>
+<Usage Monitoring, connectedTo, Plan Selection>
+<Usage Monitoring, connectedTo, SMS Delivery>
diff --git a/train/graphviz/hard/graphviz_736.dot b/train/graphviz/hard/graphviz_736.dot
new file mode 100644
index 0000000000000000000000000000000000000000..04774906c9ff753d4809e02f0a52bfd6d3b43ecb
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+++ b/train/graphviz/hard/graphviz_736.dot
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+digraph {
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diff --git a/train/graphviz/hard/graphviz_736.txt b/train/graphviz/hard/graphviz_736.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3df4e0c9734c07e07232c975b0f525d5ebd86aca
--- /dev/null
+++ b/train/graphviz/hard/graphviz_736.txt
@@ -0,0 +1,29 @@
+<Customer Support, connectedTo, Emergency Vehicle Access Management>
+<Data Analytics for Parking Usage, connectedTo, Mobile Parking Apps>
+<Data Analytics for Parking Usage, partOf, Data Analytics for Parking Usage>
+<Demand Forecasting, connectedTo, User Experience Design for Apps>
+<Dynamic Pricing, connectedTo, Fleet Parking Solutions>
+<Dynamic Pricing, connectedTo, Violation Detection>
+<Edge Computing for Parking Data, connectedTo, Integration with Navigation Apps>
+<Edge Computing for Parking Data, partOf, Edge Computing for Parking Data>
+<Electric Vehicle Charging Integration, connectedTo, Fleet Parking Solutions>
+<Electric Vehicle Charging Integration, partOf, Electric Vehicle Charging Integration>
+<Emergency Vehicle Access Management, connectedTo, Demand Forecasting>
+<Emergency Vehicle Access Management, connectedTo, Edge Computing for Parking Data>
+<Emergency Vehicle Access Management, maintains, Intelligent Traffic Management Interaction>
+<Fleet Parking Solutions, connectedTo, Customer Support>
+<Integration with Navigation Apps, connectedTo, Real_Time Information Display>
+<Integration with Navigation Apps, partOf, Integration with Navigation Apps>
+<Intelligent Traffic Management Interaction, connectedTo, Data Analytics for Parking Usage>
+<Intelligent Traffic Management Interaction, partOf, Intelligent Traffic Management Interaction>
+<Mobile Parking Apps, connectedTo, Electric Vehicle Charging Integration>
+<Mobile Parking Apps, partOf, Mobile Parking Apps>
+<Smart City Integration for Parking, connectedTo, Fleet Parking Solutions>
+<User Experience Design for Apps, connectedTo, Real_Time Information Display>
+<Violation Detection, connectedTo, Customer Support>
+<Violation Detection, connectedTo, Demand Forecasting>
+<Violation Detection, connectedTo, Emergency Vehicle Access Management>
+<Violation Detection, connectedTo, Fleet Parking Solutions>
+<Violation Detection, connectedTo, Real_Time Information Display>
+<Violation Detection, connectedTo, Smart City Integration for Parking>
+<Violation Detection, identifies, User Experience Design for Apps>
diff --git a/train/graphviz/hard/graphviz_737.txt b/train/graphviz/hard/graphviz_737.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a74380c31b6aceb3114ad364ee7df2f556adae7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_737.txt
@@ -0,0 +1,39 @@
+<API Integration for Partners, connectedTo, Waiting List Management>
+<API Integration for Partners, protects, Post_Event Feedback Collection>
+<API Integration for Partners, sells, Dynamic Pricing>
+<Agent Network Management, connectedTo, Mobile Ticketing>
+<Agent Network Management, partOf, Agent Network Management>
+<Airline Ticketing, connectedTo, Subscription or Season Pass Management>
+<Airline Ticketing, connectedTo, Theater Ticketing>
+<Audience Segmentation, connectedTo, API Integration for Partners>
+<Biometric Ticketing, connectedTo, Sports Event Ticketing>
+<Biometric Ticketing, partOf, Biometric Ticketing>
+<Blockchain Ticketing for Authenticity, connectedTo, Group Booking Management>
+<Box Office Management, connectedTo, Audience Segmentation>
+<Box Office Management, connectedTo, Post_Event Feedback Collection>
+<Box Office Management, connectedTo, Theater Ticketing>
+<Concert Ticketing, connectedTo, Airline Ticketing>
+<Dynamic Pricing, connectedTo, Blockchain Ticketing for Authenticity>
+<Fan Loyalty Programs, connectedTo, Theater Ticketing>
+<Group Booking Management, connectedTo, Personalized Ticket Offers>
+<Group Booking Management, publishes, Post_Event Feedback Collection>
+<Mobile Ticketing, connectedTo, Biometric Ticketing>
+<Mobile Ticketing, partOf, Mobile Ticketing>
+<Payment Processing, cancels, Seat Mapping>
+<Payment Processing, connectedTo, Agent Network Management>
+<Payment Processing, connectedTo, Pricing Configuration>
+<Personalized Ticket Offers, designs, Ticket Delivery>
+<Personalized Ticket Offers, partOf, Personalized Ticket Offers>
+<Pricing Configuration, connectedTo, Box Office Management>
+<Refund Management, connectedTo, Pricing Configuration>
+<Seat Mapping, connectedTo, Refund Management>
+<Seat Mapping, discounts, Pricing Configuration>
+<Sports Event Ticketing, connectedTo, Theater Ticketing>
+<Sports Event Ticketing, partOf, Sports Event Ticketing>
+<Subscription or Season Pass Management, connectedTo, Payment Processing>
+<Theater Ticketing, connectedTo, Dynamic Pricing>
+<Theme Park Ticketing, connectedTo, Concert Ticketing>
+<Ticket Delivery, connectedTo, Waiting List Management>
+<Ticket Delivery, partOf, Ticket Delivery>
+<Waiting List Management, connectedTo, Fan Loyalty Programs>
+<Waiting List Management, connectedTo, Theater Ticketing>
diff --git a/train/graphviz/hard/graphviz_74.dot b/train/graphviz/hard/graphviz_74.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e5663dd26d233814cfc1abccd88a88f700b66a24
--- /dev/null
+++ b/train/graphviz/hard/graphviz_74.dot
@@ -0,0 +1,72 @@
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diff --git a/train/graphviz/hard/graphviz_740.dot b/train/graphviz/hard/graphviz_740.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0cb411a0c52e4ae1f7d79efeea24067c72ba1920
--- /dev/null
+++ b/train/graphviz/hard/graphviz_740.dot
@@ -0,0 +1,80 @@
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+	S2 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	M1 -> N14 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_740.txt b/train/graphviz/hard/graphviz_740.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9809e1ea7c3465e26192261c5b3ddfd007879757
--- /dev/null
+++ b/train/graphviz/hard/graphviz_740.txt
@@ -0,0 +1,43 @@
+<Airline Ticketing, troubleshoots, Event Promotion Tools>
+<Airline Ticketing, upgrades, Ticket Delivery>
+<Analytics on Sales Data, connectedTo, Waiting List Management>
+<Analytics on Sales Data, partOf, Analytics on Sales Data>
+<Biometric Ticketing, connectedTo, Mobile Ticketing>
+<Blockchain Ticketing for Authenticity, connectedTo, Biometric Ticketing>
+<Blockchain Ticketing for Authenticity, connectedTo, Customer Relationship Management Integration>
+<Blockchain Ticketing for Authenticity, connectedTo, Order Confirmation>
+<Blockchain Ticketing for Authenticity, connectedTo, Payment Processing>
+<Blockchain Ticketing for Authenticity, connectedTo, Queue Management>
+<Box Office Management, connectedTo, Pricing Configuration>
+<Concert Ticketing, partOf, Concert Ticketing>
+<Concert Ticketing, personalizes, Sports Event Ticketing>
+<Customer Relationship Management Integration, connectedTo, Box Office Management>
+<Dynamic Pricing, connectedTo, Biometric Ticketing>
+<Dynamic Pricing, connectedTo, Fan Loyalty Programs>
+<Dynamic Pricing, connectedTo, Queue Management>
+<Event Promotion Tools, connectedTo, Analytics on Sales Data>
+<Event Promotion Tools, partOf, Event Promotion Tools>
+<Fan Loyalty Programs, connectedTo, Biometric Ticketing>
+<Fan Loyalty Programs, connectedTo, Concert Ticketing>
+<Festival Ticketing, connectedTo, Dynamic Pricing>
+<Festival Ticketing, partOf, Festival Ticketing>
+<Mobile Ticketing, connectedTo, Airline Ticketing>
+<Mobile Ticketing, connectedTo, Queue Management>
+<Order Confirmation, connectedTo, Customer Relationship Management Integration>
+<Payment Processing, connectedTo, Biometric Ticketing>
+<Payment Processing, connectedTo, Public Transport Ticketing>
+<Pricing Configuration, connectedTo, Queue Management>
+<Public Transport Ticketing, connectedTo, Biometric Ticketing>
+<Public Transport Ticketing, connectedTo, Dynamic Pricing>
+<Public Transport Ticketing, connectedTo, Mobile Ticketing>
+<Public Transport Ticketing, connectedTo, Pricing Configuration>
+<Public Transport Ticketing, connectedTo, Venue Capacity Management>
+<Public Transport Ticketing, sells, Airline Ticketing>
+<Sports Event Ticketing, connectedTo, Festival Ticketing>
+<Sports Event Ticketing, partOf, Sports Event Ticketing>
+<Ticket Delivery, connectedTo, Venue Capacity Management>
+<Venue Capacity Management, connectedTo, Box Office Management>
+<Venue Capacity Management, connectedTo, Customer Relationship Management Integration>
+<Venue Capacity Management, connectedTo, Order Confirmation>
+<Waiting List Management, connectedTo, Fan Loyalty Programs>
+<Waiting List Management, partOf, Waiting List Management>
diff --git a/train/graphviz/hard/graphviz_741.txt b/train/graphviz/hard/graphviz_741.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e931bc6abce2781a7e38552f72971bf6e465aeac
--- /dev/null
+++ b/train/graphviz/hard/graphviz_741.txt
@@ -0,0 +1,34 @@
+<Access Control, connectedTo, Airline Ticketing>
+<Access Control, connectedTo, Resale Market Integration>
+<Airline Ticketing, connectedTo, Biometric Ticketing>
+<Airline Ticketing, connectedTo, Blockchain Ticketing for Authenticity>
+<Airline Ticketing, connectedTo, Event Promotion Tools>
+<Airline Ticketing, connectedTo, Resale Market Integration>
+<Airline Ticketing, responds, Resale Market Integration>
+<Audience Segmentation, connectedTo, Event Promotion Tools>
+<Audience Segmentation, connectedTo, Subscription or Season Pass Management>
+<Biometric Ticketing, connectedTo, Fraud Prevention>
+<Blockchain Ticketing for Authenticity, connectedTo, Event Creation>
+<Blockchain Ticketing for Authenticity, connectedTo, Subscription or Season Pass Management>
+<Customer Relationship Management Integration, connectedTo, Resale Market Integration>
+<Customer Relationship Management Integration, connectedTo, Subscription or Season Pass Management>
+<Event Creation, connectedTo, Theater Ticketing>
+<Event Creation, partOf, Event Creation>
+<Event Promotion Tools, connectedTo, Fan Loyalty Programs>
+<Event Promotion Tools, connectedTo, Festival Ticketing>
+<Event Promotion Tools, connectedTo, Subscription or Season Pass Management>
+<Event Promotion Tools, connectedTo, Waiting List Management>
+<Event Promotion Tools, designs, Subscription or Season Pass Management>
+<Event Promotion Tools, payments, Blockchain Ticketing for Authenticity>
+<Fan Loyalty Programs, connectedTo, Festival Ticketing>
+<Fraud Prevention, connectedTo, Customer Relationship Management Integration>
+<Refund Management, connectedTo, Event Promotion Tools>
+<Refund Management, partOf, Refund Management>
+<Resale Market Integration, connectedTo, Audience Segmentation>
+<Subscription or Season Pass Management, connectedTo, Fan Loyalty Programs>
+<Theater Ticketing, connectedTo, Fraud Prevention>
+<Theater Ticketing, partOf, Theater Ticketing>
+<Ticket Sales, partOf, Ticket Sales>
+<Ticket Sales, transfers, Refund Management>
+<Waiting List Management, connectedTo, Ticket Sales>
+<Waiting List Management, partOf, Waiting List Management>
diff --git a/train/graphviz/hard/graphviz_742.dot b/train/graphviz/hard/graphviz_742.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1839d60debbfe215deda46333498aec46fc01fba
--- /dev/null
+++ b/train/graphviz/hard/graphviz_742.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=RL
+	N0 [label="Event Creation" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Subscription or Season Pass Management" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N2 [label="Blockchain Ticketing for Authenticity" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N3 [label="Festival Ticketing" color="#FFEB3B" fillcolor="#FFF9C4" shape=octagon style=filled]
+	N4 [label="Audience Segmentation" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N5 [label="Theater Ticketing" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N6 [label="Order Confirmation" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N7 [label="Airline Ticketing" color="#80DDEA" fillcolor="#D3F7F9" shape=oval style=filled]
+	N8 [label="Queue Management" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N9 [label="Biometric Ticketing" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	S1 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Group Booking Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Fraud Prevention" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+		nest0_1 [label="Agent Network Management" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+		nest0_2 [label="Fan Loyalty Programs" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Theme Park Ticketing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Dynamic Pricing" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+		nest1_1 [label="Access Control" color="#80DDEA" fillcolor="#D3F7F9" shape=oval style=filled]
+		nest1_2 [label="Analytics on Sales Data" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest1_0 [label=connects color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N9 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [label=promotes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=processes color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	N7 -> N6 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_742.txt b/train/graphviz/hard/graphviz_742.txt
new file mode 100644
index 0000000000000000000000000000000000000000..121108bd3236b22862e9722ebd258a961b85c923
--- /dev/null
+++ b/train/graphviz/hard/graphviz_742.txt
@@ -0,0 +1,29 @@
+<Access Control, connectedTo, Analytics on Sales Data>
+<Access Control, partOf, Access Control>
+<Agent Network Management, connectedTo, Fan Loyalty Programs>
+<Agent Network Management, partOf, Agent Network Management>
+<Airline Ticketing, connectedTo, Order Confirmation>
+<Airline Ticketing, connectedTo, Queue Management>
+<Analytics on Sales Data, connectedTo, Biometric Ticketing>
+<Analytics on Sales Data, partOf, Analytics on Sales Data>
+<Audience Segmentation, connectedTo, Fraud Prevention>
+<Audience Segmentation, connectedTo, Order Confirmation>
+<Audience Segmentation, connectedTo, Queue Management>
+<Audience Segmentation, connectedTo, Theater Ticketing>
+<Audience Segmentation, promotes, Airline Ticketing>
+<Blockchain Ticketing for Authenticity, connectedTo, Festival Ticketing>
+<Dynamic Pricing, connectedTo, Access Control>
+<Dynamic Pricing, partOf, Dynamic Pricing>
+<Event Creation, connectedTo, Subscription or Season Pass Management>
+<Fan Loyalty Programs, connectedTo, Airline Ticketing>
+<Fan Loyalty Programs, partOf, Fan Loyalty Programs>
+<Festival Ticketing, connectedTo, Audience Segmentation>
+<Festival Ticketing, processes, Theater Ticketing>
+<Fraud Prevention, connectedTo, Agent Network Management>
+<Fraud Prevention, partOf, Fraud Prevention>
+<Order Confirmation, connectedTo, Airline Ticketing>
+<Order Confirmation, connects, Dynamic Pricing>
+<Queue Management, connectedTo, Biometric Ticketing>
+<Subscription or Season Pass Management, connectedTo, Blockchain Ticketing for Authenticity>
+<Subscription or Season Pass Management, connectedTo, Theater Ticketing>
+<Theater Ticketing, connectedTo, Order Confirmation>
diff --git a/train/graphviz/hard/graphviz_744.png b/train/graphviz/hard/graphviz_744.png
new file mode 100644
index 0000000000000000000000000000000000000000..87dd8f830e0112cc05c7b9128409a9c0366a83c4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_744.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:341e9c1c92054a09ea9dc9406b54ba87da2b0a077672c906f8444c3c4418dd60
+size 207007
diff --git a/train/graphviz/hard/graphviz_745.dot b/train/graphviz/hard/graphviz_745.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5cdd18c710caa972f350f137e0eef79c95a98963
--- /dev/null
+++ b/train/graphviz/hard/graphviz_745.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=RL
+	N0 [label="Undue Influence Prevention" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Blockchain for Voting" color="#FFE470" fillcolor="#FFFAE0" shape=plaintext style=filled]
+	N2 [label="Cybersecurity for Voting Systems" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N3 [label="Election Official Training" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N4 [label="Penetration Testing" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N5 [label="Optical Scan Systems" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N6 [label="Biometric Voter ID" color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+	N7 [label="Results Aggregation" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	S0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Voter Authentication" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Hardware Tamper Detection" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+		nest0_1 [label="Cryptographic Security" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest0_2 [label="Legal Framework Compliance" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest0_3 [label="Post_Election Audits" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Risk Management for Elections" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Software Integrity Checks" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest1_1 [label=Auditability color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+		nest1_2 [label="Voting Machine Design" color="#7986CB" fillcolor="#E8EAF6" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
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+	N4 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_746.txt b/train/graphviz/hard/graphviz_746.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21bc208205552bfe015feb12e273db1945b8bab9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_746.txt
@@ -0,0 +1,29 @@
+<Auditability, connectedTo, Voter Privacy Protection>
+<Auditability, partOf, Auditability>
+<Biometric Voter ID, connectedTo, Security Protocols>
+<Biometric Voter ID, connectedTo, Voter Privacy Protection>
+<Biometric Voter ID, displays, Secure Data Transmission>
+<Cryptographic Security, connectedTo, Voter Registration>
+<Cryptographic Security, partOf, Cryptographic Security>
+<Cybersecurity for Voting Systems, certifies, Voter Authentication>
+<Cybersecurity for Voting Systems, partOf, Cybersecurity for Voting Systems>
+<Direct Recording Electronic Systems, connectedTo, Legal Framework Compliance>
+<Direct Recording Electronic Systems, partOf, Direct Recording Electronic Systems>
+<Legal Framework Compliance, connectedTo, Cybersecurity for Voting Systems>
+<Legal Framework Compliance, partOf, Legal Framework Compliance>
+<Online Voting Systems, connectedTo, Security Protocols>
+<Online Voting Systems, connectedTo, Vote Counting>
+<Online Voting Systems, connectedTo, Voter Privacy Protection>
+<Public Trust Building, connectedTo, Cryptographic Security>
+<Public Trust Building, partOf, Public Trust Building>
+<Secure Data Transmission, connectedTo, Online Voting Systems>
+<Secure Data Transmission, connectedTo, Public Trust Building>
+<Secure Data Transmission, connectedTo, Security Protocols>
+<Security Protocols, connectedTo, Vote Counting>
+<Security Protocols, connectedTo, Voter Privacy Protection>
+<Vote Counting, connectedTo, Voter Education Programs>
+<Voter Education Programs, connectedTo, Direct Recording Electronic Systems>
+<Voter Education Programs, connectedTo, Voter Authentication>
+<Voter Privacy Protection, connectedTo, Vote Counting>
+<Voter Registration, connectedTo, Auditability>
+<Voter Registration, partOf, Voter Registration>
diff --git a/train/graphviz/hard/graphviz_747.dot b/train/graphviz/hard/graphviz_747.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f6de9eafd73f9582a9932c60c4c68cc1e5f4f422
--- /dev/null
+++ b/train/graphviz/hard/graphviz_747.dot
@@ -0,0 +1,85 @@
+digraph {
+	rankdir=BT
+	N0 [label="Risk Management for Elections" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Voter Education Programs" color="#388E3C" fillcolor="#F1F8E9" shape=diamond style=filled]
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+	N3 [label="Election Official Training" color="#7E57C2" fillcolor="#D1C4E9" shape=Mdiamond style=filled]
+	N4 [label=Auditability color="#7E57C2" fillcolor="#D1C4E9" shape=octagon style=filled]
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+	N9 [label="Security Protocols" color="#6EB76D" fillcolor="#E9F7E8" shape=Mdiamond style=filled]
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+	N11 [label="Voter Privacy Protection" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N12 [label="Online Voting Systems" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_747.txt b/train/graphviz/hard/graphviz_747.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df7b61845376650082933346da8f5e81838bc760
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+<Anonymous Credential Systems, connectedTo, Direct Recording Electronic Systems>
+<Anonymous Credential Systems, connectedTo, Results Aggregation>
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+<Cybersecurity for Voting Systems, connectedTo, Voter Privacy Protection>
+<Cybersecurity for Voting Systems, connectedTo, Voter Registration>
+<Direct Recording Electronic Systems, connectedTo, Penetration Testing>
+<Election Official Training, connectedTo, Auditability>
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+<Legal Framework Compliance, partOf, Legal Framework Compliance>
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+<Threat Modeling, partOf, Threat Modeling>
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+<Voter Registration, connectedTo, Vote Counting>
+<Voting Machine Design, accesses, Results Aggregation>
+<Voting Machine Design, connectedTo, Secure Data Transmission>
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diff --git a/train/graphviz/hard/graphviz_749.txt b/train/graphviz/hard/graphviz_749.txt
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index 0000000000000000000000000000000000000000..0efb7ab11fb6f83e1599686526669f0e3699acfa
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diff --git a/train/graphviz/hard/graphviz_76.txt b/train/graphviz/hard/graphviz_76.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b817abb10d495e2c47626f97b0800a77acd72467
--- /dev/null
+++ b/train/graphviz/hard/graphviz_76.txt
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new file mode 100644
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new file mode 100644
index 0000000000000000000000000000000000000000..3fbc9a7de5f87bd6ddc9cd9e1ea3a74f5d529843
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index 0000000000000000000000000000000000000000..dbb5dcd9c4c6b7cc276573492ea9a77b47219cc6
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diff --git a/train/graphviz/hard/graphviz_765.txt b/train/graphviz/hard/graphviz_765.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2074d8afd33fddfc2a46e6538b64f304706bdedf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_765.txt
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diff --git a/train/graphviz/hard/graphviz_767.txt b/train/graphviz/hard/graphviz_767.txt
new file mode 100644
index 0000000000000000000000000000000000000000..398f0d2aac0bcba63689a4631531b3068bca259d
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_769.txt b/train/graphviz/hard/graphviz_769.txt
new file mode 100644
index 0000000000000000000000000000000000000000..512de07696afe145a71e1fc2562fcf8a16abf5c5
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_77.txt b/train/graphviz/hard/graphviz_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41a89fb49e745445e63af01a0e5d74b969bd0a94
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new file mode 100644
index 0000000000000000000000000000000000000000..8c03b97c2f6424a37da7ecfdb288be3169d4db24
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new file mode 100644
index 0000000000000000000000000000000000000000..c7ce1287828d075477a9ec9684a908602c11e2d1
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diff --git a/train/graphviz/hard/graphviz_802.txt b/train/graphviz/hard/graphviz_802.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5aecf9d7d80d57d31fb8062753e8ec9dd493fb33
--- /dev/null
+++ b/train/graphviz/hard/graphviz_802.txt
@@ -0,0 +1,32 @@
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+<Bloodstain Pattern Analysis, partOf, Bloodstain Pattern Analysis>
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+<Cyber Crime Investigation, partOf, Cyber Crime Investigation>
+<DNA Profiling, connectedTo, Legal Standards Compliance>
+<DNA Profiling, partOf, DNA Profiling>
+<Data Recovery, connectedTo, Digital Forensics>
+<Data Recovery, partOf, Data Recovery>
+<Digital Forensics, connectedTo, Fingerprint Analysis>
+<Document Examination, connectedTo, Forensic Anthropology>
+<Document Examination, connectedTo, Forensic Entomology>
+<Document Examination, regulates, Fingerprint Analysis>
+<Facial Recognition, connectedTo, Forensic Pathology>
+<Facial Recognition, connectedTo, Voice Recognition>
+<Fingerprint Analysis, connectedTo, Chain of Custody Management>
+<Forensic Anthropology, connectedTo, Forensic Pathology>
+<Forensic Anthropology, connectedTo, Network Forensics>
+<Forensic Anthropology, connectedTo, Toxicology Testing>
+<Forensic Anthropology, connectedTo, Voice Recognition>
+<Forensic Entomology, connectedTo, Forensic Photography>
+<Forensic Pathology, connectedTo, Cyber Crime Investigation>
+<Forensic Pathology, connectedTo, Laboratory Analysis>
+<Forensic Pathology, connectedTo, Voice Recognition>
+<Forensic Pathology, preserves, Bloodstain Pattern Analysis>
+<Forensic Photography, connectedTo, Digital Forensics>
+<Laboratory Analysis, connectedTo, Voice Recognition>
+<Legal Standards Compliance, connectedTo, Forensic Pathology>
+<Legal Standards Compliance, partOf, Legal Standards Compliance>
+<Toxicology Testing, connectedTo, Facial Recognition>
+<Trace Evidence Analysis, connectedTo, Network Forensics>
+<Voice Recognition, connectedTo, Trace Evidence Analysis>
diff --git a/train/graphviz/hard/graphviz_803.dot b/train/graphviz/hard/graphviz_803.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9d17605008f76443f7f1e086915ff1f8fcccbfdd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_803.dot
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diff --git a/train/graphviz/hard/graphviz_804.dot b/train/graphviz/hard/graphviz_804.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a04646b1ce7ca26be0dd84c1a38623af4caa9a55
--- /dev/null
+++ b/train/graphviz/hard/graphviz_804.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=LR
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+	N2 [label="Handwriting Analysis" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N3 [label="Legal Standards Compliance" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_804.txt b/train/graphviz/hard/graphviz_804.txt
new file mode 100644
index 0000000000000000000000000000000000000000..692381536dc9df45eee54af7ec934b718527b3e8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_804.txt
@@ -0,0 +1,32 @@
+<Ballistics Analysis, connectedTo, Handwriting Analysis>
+<Ballistics Analysis, connectedTo, Toolmark Analysis>
+<Cold Case Review, connectedTo, Cyber Crime Investigation>
+<Cold Case Review, partOf, Cold Case Review>
+<Courtroom Presentation, connectedTo, Crime Scene Investigation>
+<Courtroom Presentation, partOf, Courtroom Presentation>
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+<Cyber Crime Investigation, connectedTo, Handwriting Analysis>
+<Cyber Crime Investigation, partOf, Cyber Crime Investigation>
+<Data Recovery, connectedTo, Cold Case Review>
+<Data Recovery, connectedTo, Courtroom Presentation>
+<Data Recovery, connectedTo, Vehicle Forensics>
+<Forensic Anthropology, connectedTo, Forensic Odontology>
+<Forensic Interviewing, connectedTo, Crime Database Search>
+<Forensic Interviewing, connectedTo, Data Recovery>
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+<Forensic Interviewing, connectedTo, Forensic Odontology>
+<Forensic Interviewing, connectedTo, Forensic Photography>
+<Forensic Odontology, connectedTo, Data Recovery>
+<Forensic Photography, connectedTo, Crime Database Search>
+<Handwriting Analysis, connectedTo, Legal Standards Compliance>
+<Handwriting Analysis, connectedTo, Toolmark Analysis>
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diff --git a/train/graphviz/hard/graphviz_806.txt b/train/graphviz/hard/graphviz_806.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e18fd2b17f15c7234662362ed02fc75553a715f5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_806.txt
@@ -0,0 +1,31 @@
+<Arson Investigation, connectedTo, Facial Recognition>
+<Ballistics Analysis, connectedTo, Forensic Photography>
+<Ballistics Analysis, connectedTo, Toxicology Testing>
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+<Cold Case Review, connectedTo, Forensic Odontology>
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+<Cyber Crime Investigation, connectedTo, Arson Investigation>
+<DNA Profiling, connectedTo, Arson Investigation>
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+<Facial Recognition, connectedTo, Courtroom Presentation>
+<Facial Recognition, connectedTo, Fingerprint Analysis>
+<Facial Recognition, connectedTo, Forensic Odontology>
+<Fingerprint Analysis, connectedTo, Cloud Forensics>
+<Fingerprint Analysis, connectedTo, Forensic Accounting>
+<Fingerprint Analysis, partOf, Fingerprint Analysis>
+<Forensic Accounting, connectedTo, Cyber Crime Investigation>
+<Forensic Accounting, connectedTo, Vehicle Forensics>
+<Forensic Accounting, partOf, Forensic Accounting>
+<Forensic Entomology, connectedTo, Cold Case Review>
+<Forensic Entomology, connectedTo, Forensic Accounting>
+<Forensic Entomology, partOf, Forensic Entomology>
+<Forensic Entomology, trains, Forensic Photography>
+<Forensic Odontology, connectedTo, Ballistics Analysis>
+<Forensic Photography, connectedTo, Cyber Crime Investigation>
+<Forensic Photography, processes, Fingerprint Analysis>
+<Toxicology Testing, connectedTo, DNA Profiling>
+<Toxicology Testing, partOf, Toxicology Testing>
+<Vehicle Forensics, connectedTo, Forensic Entomology>
+<Vehicle Forensics, partOf, Vehicle Forensics>
diff --git a/train/graphviz/hard/graphviz_807.dot b/train/graphviz/hard/graphviz_807.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c5fb87a38746345b3551d372b9a21ac28bf0a58d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_807.dot
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+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	nest1_1 -> N10 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
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+	N3 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [label=documents color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N7 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
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+	N7 -> M2 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_807.txt b/train/graphviz/hard/graphviz_807.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29b63b1acdb5d65b9a8acb01de80fef430991324
--- /dev/null
+++ b/train/graphviz/hard/graphviz_807.txt
@@ -0,0 +1,39 @@
+<Ballistics Analysis, connectedTo, Forensic Entomology>
+<Ballistics Analysis, connectedTo, Malware Analysis>
+<Ballistics Analysis, connectedTo, Trace Evidence Analysis>
+<Ballistics Analysis, connectedTo, Voice Recognition>
+<Bloodstain Pattern Analysis, connectedTo, Ballistics Analysis>
+<Bloodstain Pattern Analysis, connectedTo, DNA Profiling>
+<Bloodstain Pattern Analysis, connectedTo, Malware Analysis>
+<Crime Database Search, connectedTo, Handwriting Analysis>
+<Crime Database Search, documents, DNA Profiling>
+<DNA Profiling, detects, Ballistics Analysis>
+<Data Recovery, connectedTo, Ballistics Analysis>
+<Data Recovery, connectedTo, Bloodstain Pattern Analysis>
+<Data Recovery, connectedTo, Forensic Entomology>
+<Data Recovery, connectedTo, Malware Analysis>
+<Data Recovery, connectedTo, Voice Recognition>
+<Document Examination, connectedTo, Forensic Interviewing>
+<Document Examination, partOf, Document Examination>
+<Expert Witness Testimony, connectedTo, Document Examination>
+<Expert Witness Testimony, partOf, Expert Witness Testimony>
+<Facial Recognition, connectedTo, Vehicle Forensics>
+<Facial Recognition, partOf, Facial Recognition>
+<Forensic Interviewing, connectedTo, Crime Database Search>
+<Forensic Interviewing, partOf, Forensic Interviewing>
+<Handwriting Analysis, connectedTo, DNA Profiling>
+<Handwriting Analysis, connectedTo, Data Recovery>
+<Laboratory Analysis, connectedTo, Toolmark Analysis>
+<Laboratory Analysis, connectedTo, Trace Evidence Analysis>
+<Malware Analysis, connectedTo, Facial Recognition>
+<Malware Analysis, connectedTo, Trace Evidence Analysis>
+<Network Forensics, connectedTo, Expert Witness Testimony>
+<Network Forensics, partOf, Network Forensics>
+<Toolmark Analysis, connectedTo, Crime Database Search>
+<Toolmark Analysis, connectedTo, Malware Analysis>
+<Trace Evidence Analysis, connectedTo, Forensic Entomology>
+<Trace Evidence Analysis, connectedTo, Network Forensics>
+<Vehicle Forensics, connectedTo, Trace Evidence Analysis>
+<Vehicle Forensics, partOf, Vehicle Forensics>
+<Voice Recognition, connectedTo, Malware Analysis>
+<Voice Recognition, connectedTo, Trace Evidence Analysis>
diff --git a/train/graphviz/hard/graphviz_808.dot b/train/graphviz/hard/graphviz_808.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9298c7502e6efaef061afb8832c94cd7ff522ef4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_808.dot
@@ -0,0 +1,80 @@
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+	N8 [label="Courtroom Presentation" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
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+	N10 [label="Forensic Photography" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N11 [label="Malware Analysis" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N12 [label="Bloodstain Pattern Analysis" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N13 [label="Cyber Crime Investigation" color="#388E3C" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N14 [label="Expert Witness Testimony" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
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diff --git a/train/graphviz/hard/graphviz_808.png b/train/graphviz/hard/graphviz_808.png
new file mode 100644
index 0000000000000000000000000000000000000000..75855966c982691e36990a044e54520e4aeb96bf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_808.png
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diff --git a/train/graphviz/hard/graphviz_809.dot b/train/graphviz/hard/graphviz_809.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bb12a6fda5a8b41e1bf0d067ba2a041ef2c7409e
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diff --git a/train/graphviz/hard/graphviz_81.txt b/train/graphviz/hard/graphviz_81.txt
new file mode 100644
index 0000000000000000000000000000000000000000..33d6e8d168e93d6740e14d6e5bcb4ebbb929c310
--- /dev/null
+++ b/train/graphviz/hard/graphviz_81.txt
@@ -0,0 +1,40 @@
+<Agricultural Research, connectedTo, Equipment Repair>
+<Agricultural Research, connectedTo, Organic Certification>
+<Agricultural Research, connectedTo, Soil Testing>
+<Disease Detection, connectedTo, Fencing Installation>
+<Disease Detection, partOf, Disease Detection>
+<Equipment Repair, connectedTo, Food Processing>
+<Equipment Repair, connectedTo, Harvesting>
+<Equipment Repair, connectedTo, Weather Tracking>
+<Equipment Repair, connectedTo, Yield Prediction>
+<Farm Machinery Operation, connectedTo, Weather Tracking>
+<Farm Machinery Operation, partOf, Farm Machinery Operation>
+<Fencing Installation, connectedTo, Farm Machinery Operation>
+<Fencing Installation, partOf, Fencing Installation>
+<Food Processing, connectedTo, Disease Detection>
+<Food Processing, partOf, Food Processing>
+<Grain Drying, connectedTo, Equipment Repair>
+<Grain Drying, connectedTo, Market Transportation>
+<Grain Drying, connectedTo, Yield Prediction>
+<Harvesting, connectedTo, Weather Tracking>
+<Market Transportation, connectedTo, Equipment Repair>
+<Market Transportation, connectedTo, Harvesting>
+<Market Transportation, connectedTo, Soil Testing>
+<Market Transportation, connectedTo, Storage>
+<Organic Certification, analyzes, Equipment Repair>
+<Organic Certification, connectedTo, Grain Drying>
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+<Organic Certification, connectedTo, Yield Prediction>
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new file mode 100644
index 0000000000000000000000000000000000000000..b72c855aa451afa8158e360fdc3a47677ea21ae6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_811.dot
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diff --git a/train/graphviz/hard/graphviz_812.txt b/train/graphviz/hard/graphviz_812.txt
new file mode 100644
index 0000000000000000000000000000000000000000..088c264b033562e6079a4576c5c979bc4ef3974c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_812.txt
@@ -0,0 +1,32 @@
+<Airport Security, connectedTo, Transportation Security>
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+<Biometric Screening, partOf, Biometric Screening>
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+<Crisis Response Planning, connectedTo, Risk Analysis>
+<Crisis Response Planning, recoveries_supports, Hostage Negotiation>
+<Crisis Response Planning, vulnerabilities_reduces, Forensic Investigation of Attacks>
+<Cybersecurity Defense, border_controls, Insider Threat Programs>
+<Early Warning Systems, connectedTo, International Cooperation>
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+<Forensic Investigation of Attacks, connectedTo, Emergency Preparedness>
+<Forensic Investigation of Attacks, connectedTo, Public Awareness Campaigns>
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+<International Cooperation, connectedTo, Terrorism Financing Interdiction>
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+<Terrorism Financing Interdiction, partOf, Terrorism Financing Interdiction>
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+<Training Exercises, partOf, Training Exercises>
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diff --git a/train/graphviz/hard/graphviz_813.txt b/train/graphviz/hard/graphviz_813.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa88eda6d6067cfe32c42e5e2056314c53023691
--- /dev/null
+++ b/train/graphviz/hard/graphviz_813.txt
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+<Intelligence Gathering, connectedTo, Post_Incident Recovery>
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+<Psychological Operations, connectedTo, Surveillance and Monitoring>
+<Psychological Operations, investigates, Intelligence Gathering>
+<Risk Analysis, connectedTo, Surveillance and Monitoring>
+<Risk Analysis, partOf, Risk Analysis>
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+<Threat Assessment, partOf, Threat Assessment>
+<Threat Assessment, technologies_applies, Intelligence Gathering>
diff --git a/train/graphviz/hard/graphviz_814.txt b/train/graphviz/hard/graphviz_814.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f84fb041015a4f58f4cb923323f08cc866c020c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_814.txt
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+<Airport Security, connectedTo, Port Security>
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+<Bomb Disposal, partOf, Bomb Disposal>
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+<Information Sharing, incidents_responds, Threat Assessment>
+<Insider Threat Programs, cyber_defends, Risk_Based Security Measures>
+<Insider Threat Programs, partOf, Insider Threat Programs>
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+<Legislation and Policy Development, secures, Forensic Investigation of Attacks>
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+<Terrorism Financing Interdiction, connectedTo, Threat Assessment>
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diff --git a/train/graphviz/hard/graphviz_823.txt b/train/graphviz/hard/graphviz_823.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e099c4e156d3d94fc5cb78e2dce9f0a9f7cceab8
--- /dev/null
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+<Legal Compliance, connectedTo, Biometric Data Analysis>
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+<Night Vision Technology, connectedTo, Industrial Surveillance>
+<Night Vision Technology, connectedTo, Predictive Policing>
+<Night Vision Technology, connectedTo, Sensor Network Deployment>
+<Predictive Policing, connectedTo, Facial Recognition Systems>
+<Privacy Concerns Mitigation, connectedTo, Video Analytics>
+<Privacy Concerns Mitigation, partOf, Privacy Concerns Mitigation>
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+<Sensor Network Deployment, connectedTo, Ethical Guidelines>
+<Sensor Network Deployment, connectedTo, Facial Recognition Systems>
+<Sensor Network Deployment, connectedTo, Industrial Surveillance>
+<Sensor Network Deployment, connectedTo, Mobile Phone Interception>
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+<Thermal Imaging, connectedTo, Legal Compliance>
+<Thermal Imaging, connectedTo, Network Monitoring>
+<Thermal Imaging, connectedTo, Sensor Network Deployment>
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+<Video Analytics, partOf, Video Analytics>
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+		nest1_0 [label="Policy Development for Prevention" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+		nest1_1 [label="School Safety Programs" color="#C0CA33" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+		nest1_2 [label="Target Hardening" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+		nest1_3 [label="Crime Prevention Through Education" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=certifies color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=consults color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [label=identifies_risks color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N0 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N3 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	M0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label=environments_designs color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_827.txt b/train/graphviz/hard/graphviz_827.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6fa490271d82af8fbd805b7b3bfb0e71f405710c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_827.txt
@@ -0,0 +1,43 @@
+<CCTV Installation, connectedTo, Robbery Prevention>
+<Community Policing, connectedTo, Gun Violence Prevention>
+<Community Policing, partOf, Community Policing>
+<Crime Data Analysis, connectedTo, Hotspot Policing>
+<Crime Data Analysis, partOf, Crime Data Analysis>
+<Crisis Intervention, connectedTo, Fraud Prevention>
+<Cybercrime Prevention, connectedTo, Crisis Intervention>
+<Domestic Violence Prevention, connectedTo, Situational Crime Prevention>
+<Domestic Violence Prevention, partOf, Domestic Violence Prevention>
+<Drug Prevention Initiatives, connectedTo, Community Policing>
+<Drug Prevention Initiatives, connectedTo, Domestic Violence Prevention>
+<Drug Prevention Initiatives, connectedTo, Security Lighting>
+<Environmental Design, connectedTo, Rehabilitation Programs>
+<Environmental Design, predicts, Identity Theft Prevention>
+<Fraud Prevention, partnerships_forms, Public Awareness Campaigns>
+<Gang Intervention, connectedTo, Vehicle Theft Prevention>
+<Gun Violence Prevention, connectedTo, Crime Data Analysis>
+<Gun Violence Prevention, partOf, Gun Violence Prevention>
+<Hotspot Policing, connectedTo, Rehabilitation Programs>
+<Hotspot Policing, partOf, Hotspot Policing>
+<Identity Theft Prevention, connectedTo, CCTV Installation>
+<Law Enforcement Training, connectedTo, Mediation Services>
+<Mediation Services, connectedTo, Fraud Prevention>
+<Mediation Services, connectedTo, Security Lighting>
+<Mediation Services, technologies_deploys, Gang Intervention>
+<Mediation Services, trends, Cybercrime Prevention>
+<Rehabilitation Programs, connectedTo, Youth Programs>
+<Reintegration Programs, connectedTo, Identity Theft Prevention>
+<Reintegration Programs, data_collects, Law Enforcement Training>
+<Robbery Prevention, connectedTo, Sexual Assault Prevention>
+<Security Lighting, connectedTo, Cybercrime Prevention>
+<Sexual Assault Prevention, communicates, Victim Support Services>
+<Situational Crime Prevention, connectedTo, Sexual Assault Prevention>
+<Situational Crime Prevention, partOf, Situational Crime Prevention>
+<Vehicle Theft Prevention, connectedTo, Environmental Design>
+<Vehicle Theft Prevention, connectedTo, Identity Theft Prevention>
+<Victim Support Services, connectedTo, Crisis Intervention>
+<Victim Support Services, connectedTo, Drug Prevention Initiatives>
+<Victim Support Services, connectedTo, Fraud Prevention>
+<Victim Support Services, connectedTo, Security Lighting>
+<Youth Programs, connectedTo, Cybercrime Prevention>
+<Youth Programs, connectedTo, Identity Theft Prevention>
+<Youth Programs, connectedTo, Public Awareness Campaigns>
diff --git a/train/graphviz/hard/graphviz_828.dot b/train/graphviz/hard/graphviz_828.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b8bfffad3bf2cb1be175dda04d1756152d676e2a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_828.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=RL
+	N0 [label="Environmental Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N1 [label="Vehicle Theft Prevention" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N2 [label="Police_Community Relations" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N3 [label="Technology for Prevention" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N4 [label="Drug Prevention Initiatives" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N5 [label="Reintegration Programs" color="#4DD0E1" fillcolor="#C9F0F0" shape=parallelogram style=filled]
+	N6 [label="Security Lighting" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N7 [label="Law Enforcement Training" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+	N8 [label="Community Policing" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N9 [label="Patrol Operations" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N10 [label="CCTV Installation" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N11 [label="Mediation Services" color="#4DD0E1" fillcolor="#C9F0F0" shape=folder style=filled]
+	N12 [label="Restorative Justice" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N13 [label="Situational Crime Prevention" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	S0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#AED581" fillcolor="#F0F4C3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Gang Intervention" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="School Safety Programs" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+		nest0_1 [label="Deterrence Strategies" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_2 [label="Rehabilitation Programs" color="#26A69A" fillcolor="#E0F2F1" shape=octagon style=filled]
+		nest0_3 [label="Hotspot Policing" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Fraud Prevention" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Crime Prevention Through Education" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest1_1 [label="Identity Theft Prevention" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+		nest1_0 -> nest1_1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=deters color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=hotspots color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N11 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest1_0 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N12 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N7 -> S2 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N11 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N12 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_829.dot b/train/graphviz/hard/graphviz_829.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2fca91f22986e283cd4cd42fccbfb485e10b2192
--- /dev/null
+++ b/train/graphviz/hard/graphviz_829.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=RL
+	N0 [label="Policy Development for Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="Target Hardening" color="#CB9BE1" fillcolor="#F2E6F5" shape=Mdiamond style=filled]
+	N2 [label="Restorative Justice" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N3 [label="Identity Theft Prevention" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N4 [label="School Safety Programs" color="#FFF8A6" fillcolor="#FFFDE0" shape=oval style=filled]
+	N5 [label="Environmental Design" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N6 [label="Community Policing" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N7 [label="Patrol Operations" color="#FFF8A6" fillcolor="#FFFDE0" shape=octagon style=filled]
+	N8 [label="Gang Intervention" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N9 [label="Neighborhood Watch Programs" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N10 [label="Youth Programs" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	S1 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Cybercrime Prevention" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sexual Assault Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_1 [label="Technology for Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=plaintext style=filled]
+		nest0_2 [label="Reintegration Programs" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Deterrence Strategies" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Police_Community Relations" color="#DCE775" fillcolor="#FCFCE7" shape=oval style=filled]
+		nest1_1 [label="Domestic Violence Prevention" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+		nest1_2 [label="Crime Prevention Through Education" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=patrols color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=predicts color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N2 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> S2 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [label=prevents color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_829.txt b/train/graphviz/hard/graphviz_829.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc9e3c99ee6f4432d85ecf5bfe52ae912a7eebcd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_829.txt
@@ -0,0 +1,32 @@
+<Community Policing, connectedTo, Patrol Operations>
+<Crime Prevention Through Education, connectedTo, Environmental Design>
+<Crime Prevention Through Education, partOf, Crime Prevention Through Education>
+<Domestic Violence Prevention, connectedTo, Crime Prevention Through Education>
+<Domestic Violence Prevention, partOf, Domestic Violence Prevention>
+<Environmental Design, connectedTo, Community Policing>
+<Environmental Design, connectedTo, Patrol Operations>
+<Environmental Design, connectedTo, Sexual Assault Prevention>
+<Gang Intervention, predicts, Neighborhood Watch Programs>
+<Identity Theft Prevention, connectedTo, Community Policing>
+<Identity Theft Prevention, connectedTo, Gang Intervention>
+<Identity Theft Prevention, connectedTo, School Safety Programs>
+<Identity Theft Prevention, connectedTo, Youth Programs>
+<Neighborhood Watch Programs, connectedTo, Youth Programs>
+<Patrol Operations, connectedTo, Gang Intervention>
+<Patrol Operations, connectedTo, Neighborhood Watch Programs>
+<Patrol Operations, connectedTo, Youth Programs>
+<Police_Community Relations, connectedTo, Domestic Violence Prevention>
+<Police_Community Relations, partOf, Police_Community Relations>
+<Policy Development for Prevention, connectedTo, Target Hardening>
+<Reintegration Programs, connectedTo, Restorative Justice>
+<Reintegration Programs, partOf, Reintegration Programs>
+<Restorative Justice, connectedTo, Identity Theft Prevention>
+<Restorative Justice, connectedTo, Police_Community Relations>
+<School Safety Programs, patrols, Environmental Design>
+<School Safety Programs, prevents, Patrol Operations>
+<Sexual Assault Prevention, connectedTo, Technology for Prevention>
+<Sexual Assault Prevention, partOf, Sexual Assault Prevention>
+<Target Hardening, connectedTo, Patrol Operations>
+<Target Hardening, connectedTo, Restorative Justice>
+<Technology for Prevention, connectedTo, Reintegration Programs>
+<Technology for Prevention, partOf, Technology for Prevention>
diff --git a/train/graphviz/hard/graphviz_830.png b/train/graphviz/hard/graphviz_830.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a98ae35e2c50228c2ca13a935ba692e451761f8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_830.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:94df3a350d0487b241e9c6118adf8f6c94c22d6db5849ce0ea9b41e3b5846bb3
+size 229999
diff --git a/train/graphviz/hard/graphviz_830.txt b/train/graphviz/hard/graphviz_830.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f08b5fd0206fe0cb54f464d0a4687fa8de68bd5e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_830.txt
@@ -0,0 +1,39 @@
+<CCTV Installation, connectedTo, Patrol Operations>
+<Community Policing, connectedTo, Cybercrime Prevention>
+<Community Policing, connectedTo, Hotspot Policing>
+<Cybercrime Prevention, connectedTo, Early Intervention Programs>
+<Cybercrime Prevention, connectedTo, Hotspot Policing>
+<Cybercrime Prevention, connectedTo, Rehabilitation Programs>
+<Deterrence Strategies, connectedTo, Target Hardening>
+<Domestic Violence Prevention, alerts, Deterrence Strategies>
+<Domestic Violence Prevention, connectedTo, Environmental Design>
+<Domestic Violence Prevention, connectedTo, Reintegration Programs>
+<Domestic Violence Prevention, connectedTo, Security Lighting>
+<Domestic Violence Prevention, educates, Gun Violence Prevention>
+<Early Intervention Programs, connectedTo, Hotspot Policing>
+<Environmental Design, connectedTo, Victim Support Services>
+<Environmental Design, partOf, Environmental Design>
+<Gang Intervention, connectedTo, Sexual Assault Prevention>
+<Gun Violence Prevention, connectedTo, Vehicle Theft Prevention>
+<Hotspot Policing, connectedTo, Domestic Violence Prevention>
+<Hotspot Policing, connectedTo, Target Hardening>
+<Hotspot Policing, connectedTo, Technology for Prevention>
+<Identity Theft Prevention, connectedTo, Gang Intervention>
+<Law Enforcement Training, connectedTo, Deterrence Strategies>
+<Law Enforcement Training, partOf, Law Enforcement Training>
+<Patrol Operations, connectedTo, Reintegration Programs>
+<Police_Community Relations, connectedTo, CCTV Installation>
+<Police_Community Relations, connectedTo, Reintegration Programs>
+<Police_Community Relations, connectedTo, Technology for Prevention>
+<Police_Community Relations, trends, Patrol Operations>
+<Rehabilitation Programs, connectedTo, Restorative Justice>
+<Rehabilitation Programs, partOf, Rehabilitation Programs>
+<Reintegration Programs, connectedTo, Gun Violence Prevention>
+<Restorative Justice, connectedTo, Target Hardening>
+<Restorative Justice, partOf, Restorative Justice>
+<Security Lighting, deters, Technology for Prevention>
+<Target Hardening, reports, Police_Community Relations>
+<Technology for Prevention, connectedTo, Identity Theft Prevention>
+<Vehicle Theft Prevention, connectedTo, Security Lighting>
+<Victim Support Services, connectedTo, Law Enforcement Training>
+<Victim Support Services, partOf, Victim Support Services>
diff --git a/train/graphviz/hard/graphviz_831.dot b/train/graphviz/hard/graphviz_831.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2f7bdd90f2e1f167592f073bcccc07bc2023ba5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_831.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=TD
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diff --git a/train/graphviz/hard/graphviz_831.txt b/train/graphviz/hard/graphviz_831.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ee9c833ad2c776fde5435079d618532642d76cb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_831.txt
@@ -0,0 +1,38 @@
+<CCTV Installation, connectedTo, Reintegration Programs>
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+<Conflict Resolution Training, connectedTo, Environmental Design>
+<Conflict Resolution Training, connectedTo, Law Enforcement Training>
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+<Identity Theft Prevention, connectedTo, Environmental Design>
+<Identity Theft Prevention, connectedTo, Law Enforcement Training>
+<Identity Theft Prevention, connectedTo, Public Awareness Campaigns>
+<Identity Theft Prevention, connectedTo, Robbery Prevention>
+<Law Enforcement Training, connectedTo, Public Awareness Campaigns>
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+<Patrol Operations, partOf, Patrol Operations>
+<Public Awareness Campaigns, connectedTo, Environmental Design>
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+<Rehabilitation Programs, secures, Gang Intervention>
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+<Reintegration Programs, patrols, Rehabilitation Programs>
+<Robbery Prevention, communicates, Police_Community Relations>
+<Robbery Prevention, connectedTo, CCTV Installation>
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diff --git a/train/graphviz/hard/graphviz_832.dot b/train/graphviz/hard/graphviz_832.dot
new file mode 100644
index 0000000000000000000000000000000000000000..46421941511e296793d572af21ca0096d5e10855
--- /dev/null
+++ b/train/graphviz/hard/graphviz_832.dot
@@ -0,0 +1,76 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_834.dot b/train/graphviz/hard/graphviz_834.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3060a5fe9985dad432392b96327a1531ef010d4c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_834.dot
@@ -0,0 +1,86 @@
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diff --git a/train/graphviz/hard/graphviz_835.dot b/train/graphviz/hard/graphviz_835.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f08078a1127693b17d369d32577f3015b9a0c00b
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_835.txt b/train/graphviz/hard/graphviz_835.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c882b1d68a529b4ea6184bc760beea63cd76296c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_835.txt
@@ -0,0 +1,35 @@
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+<Community Engagement, partOf, Community Engagement>
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+<Conservation Education, partOf, Conservation Education>
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+<Data Management for Conservation, partOf, Data Management for Conservation>
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+<Ecosystem Services Valuation, partOf, Ecosystem Services Valuation>
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+<Freshwater Conservation, partOf, Freshwater Conservation>
+<Fundraising for Conservation, connectedTo, Remote Sensing for Conservation>
+<Fundraising for Conservation, partOf, Fundraising for Conservation>
+<GIS Mapping for Habitats, connectedTo, International Treaties Enforcement>
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+<Pollution Impact Assessment, warns, Translocation of Species>
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+<Sustainable Resource Management, connectedTo, Conservation Education>
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diff --git a/train/graphviz/hard/graphviz_836.dot b/train/graphviz/hard/graphviz_836.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e594dbbc6a3784320ee593a7cb168d999adef197
--- /dev/null
+++ b/train/graphviz/hard/graphviz_836.dot
@@ -0,0 +1,52 @@
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diff --git a/train/graphviz/hard/graphviz_836.txt b/train/graphviz/hard/graphviz_836.txt
new file mode 100644
index 0000000000000000000000000000000000000000..323b6df689e05fdeae5a3bec7db11ce9d0c3ac02
--- /dev/null
+++ b/train/graphviz/hard/graphviz_836.txt
@@ -0,0 +1,28 @@
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+<International Treaties Enforcement, studies, Climate Change Adaptation for Wildlife>
+<Law Enforcement, connectedTo, Wetland Restoration>
+<Law Enforcement, partOf, Law Enforcement>
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+<Translocation of Species, connectedTo, International Treaties Enforcement>
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+<Wetland Restoration, partOf, Wetland Restoration>
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diff --git a/train/graphviz/hard/graphviz_837.txt b/train/graphviz/hard/graphviz_837.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a335a135ad3685824721912af67fd57149958822
--- /dev/null
+++ b/train/graphviz/hard/graphviz_837.txt
@@ -0,0 +1,41 @@
+<Camera Trap Deployment, analyzes_data, International Treaties Enforcement>
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+<Marine Conservation, partOf, Marine Conservation>
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diff --git a/train/graphviz/hard/graphviz_838.dot b/train/graphviz/hard/graphviz_838.dot
new file mode 100644
index 0000000000000000000000000000000000000000..45e0f85741ecdb5d333c0639dd8f3327e827fe96
--- /dev/null
+++ b/train/graphviz/hard/graphviz_838.dot
@@ -0,0 +1,78 @@
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_844.txt b/train/graphviz/hard/graphviz_844.txt
new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_85.txt b/train/graphviz/hard/graphviz_85.txt
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diff --git a/train/graphviz/hard/graphviz_850.txt b/train/graphviz/hard/graphviz_850.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4de8d943527821b8912b8e31721aa66ddf93d71c
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_851.txt b/train/graphviz/hard/graphviz_851.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfb184ed890adc2fda1a66086e4c79eade246a82
--- /dev/null
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new file mode 100644
index 0000000000000000000000000000000000000000..51512fccccf5acdcc731e5c0266d7ea38e889f81
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diff --git a/train/graphviz/hard/graphviz_852.txt b/train/graphviz/hard/graphviz_852.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f8f1963c96e4ac7b05e8f2eea999222ecd9d035
--- /dev/null
+++ b/train/graphviz/hard/graphviz_852.txt
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new file mode 100644
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index 0000000000000000000000000000000000000000..39fb246737d82d01bd0092993e5526b353c4c73c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_868.txt
@@ -0,0 +1,31 @@
+<Automatic Speech Recognition, connectedTo, Command and Control>
+<Automatic Speech Recognition, partOf, Automatic Speech Recognition>
+<Call Center Automation, connectedTo, Voice Assistant Development>
+<Call Center Automation, partOf, Call Center Automation>
+<Children's Speech Recognition, connectedTo, Dialect Adaptation>
+<Children's Speech Recognition, partOf, Children's Speech Recognition>
+<Command and Control, connectedTo, Children's Speech Recognition>
+<Command and Control, partOf, Command and Control>
+<Contextual Understanding, connectedTo, Accent Recognition>
+<Contextual Understanding, connectedTo, Linguistic Analysis>
+<Contextual Understanding, connectedTo, Natural Language Understanding>
+<Contextual Understanding, connectedTo, Noise Reduction>
+<Contextual Understanding, connectedTo, Robust Speech Recognition>
+<Dialect Adaptation, connectedTo, Accent Recognition>
+<Dialect Adaptation, partOf, Dialect Adaptation>
+<Linguistic Analysis, connectedTo, Accent Recognition>
+<Multimodal Speech Processing, connectedTo, Security Authentication>
+<Multimodal Speech Processing, partOf, Multimodal Speech Processing>
+<Natural Language Understanding, connectedTo, Linguistic Analysis>
+<Natural Language Understanding, connectedTo, Security Authentication>
+<Noise Reduction, connectedTo, Natural Language Understanding>
+<Robust Speech Recognition, connectedTo, Call Center Automation>
+<Robust Speech Recognition, connectedTo, Linguistic Analysis>
+<Security Authentication, connectedTo, Accent Recognition>
+<Security Authentication, connectedTo, Robust Speech Recognition>
+<Security Authentication, connectedTo, Voice Search Optimization>
+<Voice Assistant Development, connectedTo, Multimodal Speech Processing>
+<Voice Assistant Development, partOf, Voice Assistant Development>
+<Voice Search Optimization, connectedTo, Automatic Speech Recognition>
+<Voice Search Optimization, connectedTo, Linguistic Analysis>
+<Voice Search Optimization, connectedTo, Robust Speech Recognition>
diff --git a/train/graphviz/hard/graphviz_869.dot b/train/graphviz/hard/graphviz_869.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e19035910b5e8aa39af99b5fe43d075832445ea
--- /dev/null
+++ b/train/graphviz/hard/graphviz_869.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=LR
+	N0 [label="Call Center Automation" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Speech Data Annotation" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N2 [label="Speech_to_Text Conversion" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N3 [label="Voice Assistant Development" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N4 [label="Disordered Speech Recognition" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N5 [label="Security Authentication" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N6 [label="Accent Recognition" color="#C2B2F0" fillcolor="#EFE6FF" shape=diamond style=filled]
+	N7 [label="Medical Transcription" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N8 [label="Noise Reduction" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N9 [label="Legal Transcription" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N10 [label="Speech Emotion Recognition" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	S0 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Speaker Diarization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Linguistic Analysis" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_1 [label="Command and Control" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_2 [label="Contextual Understanding" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+		nest0_3 [label="Emotion Recognition from Voice" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Keyword Spotting" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Voice Search Optimization" color="#AB47BC" fillcolor="#F3E5F5" shape=octagon style=filled]
+		nest1_1 [label="Voice Biometrics" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+		nest1_2 [label="Multimodal Speech Processing" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest1_3 [label="Language Modeling" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=personalizes color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [label=enhances color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=tracks color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_1 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_869.txt b/train/graphviz/hard/graphviz_869.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7004696193361336ff8407d7b8dc21e248d5c39e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_869.txt
@@ -0,0 +1,37 @@
+<Accent Recognition, connectedTo, Medical Transcription>
+<Call Center Automation, connectedTo, Speech Data Annotation>
+<Command and Control, connectedTo, Contextual Understanding>
+<Command and Control, partOf, Command and Control>
+<Contextual Understanding, connectedTo, Emotion Recognition from Voice>
+<Contextual Understanding, partOf, Contextual Understanding>
+<Disordered Speech Recognition, connectedTo, Accent Recognition>
+<Disordered Speech Recognition, connectedTo, Legal Transcription>
+<Disordered Speech Recognition, connectedTo, Medical Transcription>
+<Disordered Speech Recognition, connectedTo, Noise Reduction>
+<Disordered Speech Recognition, enhances, Security Authentication>
+<Emotion Recognition from Voice, connectedTo, Speech Data Annotation>
+<Emotion Recognition from Voice, partOf, Emotion Recognition from Voice>
+<Language Modeling, connectedTo, Medical Transcription>
+<Language Modeling, partOf, Language Modeling>
+<Legal Transcription, connectedTo, Command and Control>
+<Legal Transcription, connectedTo, Speech Emotion Recognition>
+<Legal Transcription, connectedTo, Voice Search Optimization>
+<Linguistic Analysis, connectedTo, Command and Control>
+<Linguistic Analysis, partOf, Linguistic Analysis>
+<Medical Transcription, connectedTo, Linguistic Analysis>
+<Medical Transcription, connectedTo, Noise Reduction>
+<Multimodal Speech Processing, connectedTo, Language Modeling>
+<Multimodal Speech Processing, partOf, Multimodal Speech Processing>
+<Noise Reduction, connectedTo, Legal Transcription>
+<Security Authentication, tracks, Accent Recognition>
+<Speech Data Annotation, connectedTo, Speech_to_Text Conversion>
+<Speech_to_Text Conversion, connectedTo, Disordered Speech Recognition>
+<Speech_to_Text Conversion, connectedTo, Legal Transcription>
+<Speech_to_Text Conversion, connectedTo, Medical Transcription>
+<Speech_to_Text Conversion, connectedTo, Speech Emotion Recognition>
+<Speech_to_Text Conversion, personalizes, Voice Assistant Development>
+<Voice Assistant Development, connectedTo, Disordered Speech Recognition>
+<Voice Biometrics, connectedTo, Multimodal Speech Processing>
+<Voice Biometrics, partOf, Voice Biometrics>
+<Voice Search Optimization, connectedTo, Voice Biometrics>
+<Voice Search Optimization, partOf, Voice Search Optimization>
diff --git a/train/graphviz/hard/graphviz_87.dot b/train/graphviz/hard/graphviz_87.dot
new file mode 100644
index 0000000000000000000000000000000000000000..81c2fef708b713cdcb21d52816267e0217777950
--- /dev/null
+++ b/train/graphviz/hard/graphviz_87.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=RL
+	N0 [label="Disease Detection" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N1 [label="Soil Nutrient Management" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N2 [label="Aquaculture Farming" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N3 [label="Crop Rotation Planning" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N4 [label="Seed Sowing" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N5 [label="Livestock Feeding" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N6 [label="Organic Certification" color="#B8C0F5" fillcolor="#ECF0FD" shape=octagon style=filled]
+	N7 [label="Drone Scouting" color="#AF56A6" fillcolor="#DDCEDD" shape=plaintext style=filled]
+	N8 [label="Packaging for Sale" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N9 [label="Produce Sorting" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N10 [label="Water Level Measurement" color="#B8C0F5" fillcolor="#ECF0FD" shape=Mdiamond style=filled]
+	N11 [label="Subsidy Application" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N12 [label="Weed Removal" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N13 [label="Soil Testing" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N14 [label="Animal Health Monitoring" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFDA4E" fillcolor="#FFE88D" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Farm Machinery Operation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Fencing Installation" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+		nest0_1 [label="Automated Milking" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+		nest0_2 [label="Yield Prediction" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=waters color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Seedling Transplanting" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Weather Tracking" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+		nest1_1 [label="Hydroponic System Management" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
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+	N5 -> N6 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
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+	N9 -> N10 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=advises color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [label=cultivates color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N6 [label=processes color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
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+	S0 -> N13 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N6 -> S2 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N12 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	S2 -> N11 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=protects color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [label=researches color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_87.txt b/train/graphviz/hard/graphviz_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26815bd3a9c7bfe258dc89842a949a9d45fa0f5f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_87.txt
@@ -0,0 +1,38 @@
+<Aquaculture Farming, connectedTo, Crop Rotation Planning>
+<Aquaculture Farming, connectedTo, Packaging for Sale>
+<Automated Milking, connectedTo, Yield Prediction>
+<Automated Milking, partOf, Automated Milking>
+<Crop Rotation Planning, connectedTo, Seed Sowing>
+<Disease Detection, connectedTo, Soil Nutrient Management>
+<Disease Detection, protects, Seed Sowing>
+<Drone Scouting, connectedTo, Packaging for Sale>
+<Drone Scouting, connectedTo, Weather Tracking>
+<Fencing Installation, partOf, Fencing Installation>
+<Fencing Installation, waters, Automated Milking>
+<Hydroponic System Management, connectedTo, Subsidy Application>
+<Hydroponic System Management, partOf, Hydroponic System Management>
+<Livestock Feeding, connectedTo, Organic Certification>
+<Livestock Feeding, researches, Packaging for Sale>
+<Organic Certification, connectedTo, Drone Scouting>
+<Organic Certification, connectedTo, Produce Sorting>
+<Organic Certification, connectedTo, Soil Testing>
+<Organic Certification, connectedTo, Subsidy Application>
+<Organic Certification, connectedTo, Water Level Measurement>
+<Organic Certification, connectedTo, Weed Removal>
+<Packaging for Sale, connectedTo, Animal Health Monitoring>
+<Packaging for Sale, connectedTo, Produce Sorting>
+<Packaging for Sale, connectedTo, Soil Testing>
+<Produce Sorting, connectedTo, Water Level Measurement>
+<Seed Sowing, connectedTo, Livestock Feeding>
+<Soil Nutrient Management, connectedTo, Aquaculture Farming>
+<Soil Nutrient Management, connectedTo, Packaging for Sale>
+<Soil Nutrient Management, connectedTo, Seed Sowing>
+<Soil Testing, connectedTo, Animal Health Monitoring>
+<Subsidy Application, connectedTo, Weed Removal>
+<Water Level Measurement, advises, Subsidy Application>
+<Water Level Measurement, connectedTo, Fencing Installation>
+<Weather Tracking, connectedTo, Hydroponic System Management>
+<Weather Tracking, partOf, Weather Tracking>
+<Weed Removal, cultivates, Soil Testing>
+<Yield Prediction, partOf, Yield Prediction>
+<Yield Prediction, processes, Organic Certification>
diff --git a/train/graphviz/hard/graphviz_871.png b/train/graphviz/hard/graphviz_871.png
new file mode 100644
index 0000000000000000000000000000000000000000..1dee145446ef79ab451a9e9f00836d8041c41f03
--- /dev/null
+++ b/train/graphviz/hard/graphviz_871.png
@@ -0,0 +1,3 @@
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+oid sha256:c839c1aee042574053c0c5c2c6fed48fe2d9c72d9e76cb44621158e12c50a9fa
+size 269549
diff --git a/train/graphviz/hard/graphviz_871.txt b/train/graphviz/hard/graphviz_871.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a32f4dc2393f59872e327b91e53bcfdcf62c9493
--- /dev/null
+++ b/train/graphviz/hard/graphviz_871.txt
@@ -0,0 +1,45 @@
+<Automatic Speech Recognition, connectedTo, Phonetic Transcription>
+<Automatic Speech Recognition, connectedTo, Voice User Interface Design>
+<Contextual Understanding, connectedTo, Emotion Recognition from Voice>
+<Contextual Understanding, connectedTo, Phonetic Transcription>
+<Contextual Understanding, connectedTo, Prosody Analysis>
+<Contextual Understanding, connectedTo, Text_to_Speech Synthesis>
+<Cross_Lingual Speech Recognition, connectedTo, Speaker Diarization>
+<Dialect Adaptation, connectedTo, Speaker Diarization>
+<Dialect Adaptation, partOf, Dialect Adaptation>
+<Disordered Speech Recognition, connectedTo, Speech Analytics>
+<Disordered Speech Recognition, partOf, Disordered Speech Recognition>
+<Emotion Recognition from Voice, connectedTo, Automatic Speech Recognition>
+<Emotion Recognition from Voice, connectedTo, Natural Language Understanding>
+<Emotion Recognition from Voice, connectedTo, Phonetic Transcription>
+<Emotion Recognition from Voice, connectedTo, Voice Search Optimization>
+<Keyword Spotting, connectedTo, Security Authentication>
+<Medical Transcription, connectedTo, Emotion Recognition from Voice>
+<Medical Transcription, connectedTo, Speech Emotion Recognition>
+<Meeting Transcription, connectedTo, Emotion Recognition from Voice>
+<Meeting Transcription, connectedTo, Keyword Spotting>
+<Multimodal Speech Processing, connectedTo, Speaker Identification>
+<Natural Language Understanding, connectedTo, Dialect Adaptation>
+<Natural Language Understanding, partOf, Natural Language Understanding>
+<Noise Reduction, connectedTo, Automatic Speech Recognition>
+<Noise Reduction, connectedTo, Contextual Understanding>
+<Noise Reduction, connectedTo, Multimodal Speech Processing>
+<Noise Reduction, connectedTo, Speech_to_Text Conversion>
+<Noise Reduction, connectedTo, Voice Search Optimization>
+<Phonetic Transcription, translates, Multimodal Speech Processing>
+<Prosody Analysis, connectedTo, Emotion Recognition from Voice>
+<Real_Time Captioning, connectedTo, Phonetic Transcription>
+<Robust Speech Recognition, connectedTo, Cross_Lingual Speech Recognition>
+<Security Authentication, connectedTo, Emotion Recognition from Voice>
+<Security Authentication, connectedTo, Noise Reduction>
+<Speaker Diarization, connectedTo, Voice Search Optimization>
+<Speaker Identification, connectedTo, Speech_to_Text Conversion>
+<Speech Analytics, connectedTo, Speech Data Annotation>
+<Speech Analytics, partOf, Speech Analytics>
+<Speech Data Annotation, connectedTo, Keyword Spotting>
+<Speech Data Annotation, partOf, Speech Data Annotation>
+<Speech Emotion Recognition, connectedTo, Meeting Transcription>
+<Text_to_Speech Synthesis, connectedTo, Disordered Speech Recognition>
+<Text_to_Speech Synthesis, partOf, Text_to_Speech Synthesis>
+<Voice Search Optimization, connectedTo, Real_Time Captioning>
+<Voice User Interface Design, connectedTo, Robust Speech Recognition>
diff --git a/train/graphviz/hard/graphviz_873.dot b/train/graphviz/hard/graphviz_873.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5a249b404cc06da511c5861a1b1c3fcc53baf42c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_873.dot
@@ -0,0 +1,66 @@
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+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	M1 -> N3 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_879.txt b/train/graphviz/hard/graphviz_879.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e09dfe279f92fb97ce169b8fb167421081c55783
--- /dev/null
+++ b/train/graphviz/hard/graphviz_879.txt
@@ -0,0 +1,40 @@
+<Annotation Tools, connectedTo, Regular Expressions for Text>
+<Author Attribution, connectedTo, Named Entity Recognition>
+<Concept Extraction, categorizes, Deep Learning for NLP>
+<Concept Extraction, partOf, Concept Extraction>
+<Customer Feedback Analysis, connectedTo, Annotation Tools>
+<Customer Feedback Analysis, connectedTo, Lemmatization or Stemming>
+<Deep Learning for NLP, connectedTo, Machine Learning for Text Mining>
+<Deep Learning for NLP, partOf, Deep Learning for NLP>
+<Financial Text Analysis, connectedTo, Knowledge Graph Construction>
+<Financial Text Analysis, partOf, Financial Text Analysis>
+<Information Extraction, connectedTo, Author Attribution>
+<Information Extraction, connectedTo, Customer Feedback Analysis>
+<Information Extraction, connectedTo, Lemmatization or Stemming>
+<Information Extraction, connectedTo, Sentiment Analysis>
+<Information Extraction, connectedTo, Tokenization>
+<Knowledge Graph Construction, connectedTo, Natural Language Processing>
+<Knowledge Graph Construction, partOf, Knowledge Graph Construction>
+<Legal Document Analysis, connectedTo, Part_of_Speech Tagging>
+<Lemmatization or Stemming, connectedTo, Financial Text Analysis>
+<Lemmatization or Stemming, connectedTo, Spam Detection>
+<Machine Learning for Text Mining, connectedTo, Text Preprocessing>
+<Machine Learning for Text Mining, partOf, Machine Learning for Text Mining>
+<Named Entity Recognition, connectedTo, Opinion Mining>
+<Natural Language Processing, connectedTo, News Article Analysis>
+<Natural Language Processing, partOf, Natural Language Processing>
+<News Article Analysis, connectedTo, Named Entity Recognition>
+<News Article Analysis, partOf, News Article Analysis>
+<Opinion Mining, evaluates, Text Preprocessing>
+<Part_of_Speech Tagging, connectedTo, Vector Space Models>
+<Patent Analysis, connectedTo, Author Attribution>
+<Patent Analysis, connectedTo, Concept Extraction>
+<Regular Expressions for Text, connectedTo, Lemmatization or Stemming>
+<Resume Parsing, connectedTo, Customer Feedback Analysis>
+<Sentiment Analysis, connectedTo, Named Entity Recognition>
+<Sentiment Analysis, connectedTo, Patent Analysis>
+<Sentiment Analysis, connectedTo, Text Preprocessing>
+<Spam Detection, connectedTo, Sentiment Analysis>
+<Tokenization, connectedTo, Legal Document Analysis>
+<Vector Space Models, connectedTo, Customer Feedback Analysis>
+<Vector Space Models, connectedTo, Resume Parsing>
diff --git a/train/graphviz/hard/graphviz_88.dot b/train/graphviz/hard/graphviz_88.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3d1c93ba6f15678e49cf244375dee8599bc6e9cc
--- /dev/null
+++ b/train/graphviz/hard/graphviz_88.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=TD
+	N0 [label="Produce Sorting" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N1 [label="Supply Chain to Retailers" color="#64B5F6" fillcolor="#E3F2FD" shape=diamond style=filled]
+	N2 [label="Traceability System" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N3 [label=Harvesting color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N4 [label="Market Transportation" color="#C0CA33" fillcolor="#F9FBE7" shape=folder style=filled]
+	N5 [label="Crop Rotation Planning" color="#90A4AE" fillcolor="#ECEFF1" shape=plaintext style=filled]
+	N6 [label="Irrigation Scheduling" color="#90A4AE" fillcolor="#ECEFF1" shape=oval style=filled]
+	N7 [label="Soil Nutrient Management" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N8 [label="Farm Maintenance" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N9 [label="Barn Cleaning" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N10 [label="Equipment Repair" color="#C0CA33" fillcolor="#F9FBE7" shape=oval style=filled]
+	N11 [label="Drone Scouting" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N12 [label="Weed Removal" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N13 [label="Grain Drying" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N14 [label="Fencing Installation" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N15 [label="Fertilizer Application" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	S0 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#C0CA33" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#90A4AE" fillcolor="#ECEFF1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#64B5F6" fillcolor="#E3F2FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Livestock Feeding" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Agricultural Research" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_1 [label="Packaging for Sale" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+		nest0_2 [label="Organic Certification" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Food Processing" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+		nest1_1 [label="Precision Farming" color="#64B5F6" fillcolor="#E3F2FD" shape=octagon style=filled]
+		nest1_0 -> nest1_1 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
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+	N4 -> N5 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [label=certifies color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N14 [label=rotates color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N13 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	S0 -> N15 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=sensors color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S2 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S2 -> N14 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=monitors color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_88.txt b/train/graphviz/hard/graphviz_88.txt
new file mode 100644
index 0000000000000000000000000000000000000000..077acfa3890c8f1abe7472d5b0431907bbd44451
--- /dev/null
+++ b/train/graphviz/hard/graphviz_88.txt
@@ -0,0 +1,39 @@
+<Agricultural Research, connectedTo, Packaging for Sale>
+<Agricultural Research, partOf, Agricultural Research>
+<Barn Cleaning, connectedTo, Equipment Repair>
+<Barn Cleaning, connectedTo, Fertilizer Application>
+<Barn Cleaning, connectedTo, Grain Drying>
+<Crop Rotation Planning, connectedTo, Irrigation Scheduling>
+<Drone Scouting, connectedTo, Weed Removal>
+<Equipment Repair, connectedTo, Drone Scouting>
+<Farm Maintenance, connectedTo, Agricultural Research>
+<Farm Maintenance, connectedTo, Barn Cleaning>
+<Fencing Installation, connectedTo, Fertilizer Application>
+<Food Processing, connectedTo, Precision Farming>
+<Food Processing, partOf, Food Processing>
+<Grain Drying, certifies, Fencing Installation>
+<Harvesting, connectedTo, Market Transportation>
+<Irrigation Scheduling, connectedTo, Drone Scouting>
+<Irrigation Scheduling, connectedTo, Farm Maintenance>
+<Irrigation Scheduling, connectedTo, Fencing Installation>
+<Irrigation Scheduling, connectedTo, Soil Nutrient Management>
+<Market Transportation, connectedTo, Crop Rotation Planning>
+<Organic Certification, partOf, Organic Certification>
+<Organic Certification, rotates, Fencing Installation>
+<Packaging for Sale, connectedTo, Organic Certification>
+<Packaging for Sale, partOf, Packaging for Sale>
+<Precision Farming, connectedTo, Grain Drying>
+<Precision Farming, partOf, Precision Farming>
+<Produce Sorting, connectedTo, Soil Nutrient Management>
+<Produce Sorting, connectedTo, Supply Chain to Retailers>
+<Produce Sorting, monitors, Market Transportation>
+<Soil Nutrient Management, connectedTo, Farm Maintenance>
+<Soil Nutrient Management, connectedTo, Food Processing>
+<Supply Chain to Retailers, connectedTo, Drone Scouting>
+<Supply Chain to Retailers, connectedTo, Market Transportation>
+<Supply Chain to Retailers, connectedTo, Traceability System>
+<Supply Chain to Retailers, connectedTo, Weed Removal>
+<Supply Chain to Retailers, sensors, Irrigation Scheduling>
+<Traceability System, connectedTo, Harvesting>
+<Traceability System, connectedTo, Soil Nutrient Management>
+<Weed Removal, connectedTo, Grain Drying>
diff --git a/train/graphviz/hard/graphviz_882.dot b/train/graphviz/hard/graphviz_882.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9d0c07937f03e6d4d81b553c15f95b7f7064fe86
--- /dev/null
+++ b/train/graphviz/hard/graphviz_882.dot
@@ -0,0 +1,82 @@
+digraph {
+	rankdir=RL
+	N0 [label="Cyber_Physical Systems" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="AI or ML Model Integration" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N2 [label="Risk Assessment" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N3 [label="Simulation Platform Development" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N4 [label="Interoperability Standards" color="#AF56A6" fillcolor="#DDCEDD" shape=folder style=filled]
+	N5 [label="Smart City Planning" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N6 [label="Building Information Modeling Integration" color="#FF5722" fillcolor="#FFCCBC" shape=octagon style=filled]
+	N7 [label="Maintenance Scheduling" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N8 [label="Edge Computing for Twins" color="#FF5722" fillcolor="#FFCCBC" shape=octagon style=filled]
+	N9 [label="Data Governance for Twins" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N10 [label="Enterprise Asset Management Integration" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N11 [label="Real_Time Data Streaming" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N12 [label="IoT Data Ingestion" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N13 [label="Energy Consumption Optimization" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N14 [label="Autonomous Operations" color="#FF5722" fillcolor="#FFCCBC" shape=folder style=filled]
+	N15 [label="Performance Monitoring" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+	N16 [label="Operational Planning" color="#AF56A6" fillcolor="#DDCEDD" shape=plaintext style=filled]
+	N17 [label="Scalability of Models" color="#C2B2F0" fillcolor="#EFE6FF" shape=Mdiamond style=filled]
+	N18 [label="What_If Scenario Analysis" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N19 [label="Model Creation" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N20 [label="Healthcare Digital Twins" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	S0 [label="" color="#AF56A6" fillcolor="#DDCEDD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+		nest0_0 [label="Digital Twin Lifecycle Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+		nest0_1 [label="Data Security for Digital Twins" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="Historical Data Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+		nest1_1 [label="Aerospace Digital Twins" color="#C2B2F0" fillcolor="#EFE6FF" shape=folder style=filled]
+		nest1_2 [label="Remote Control Capabilities" color="#C2B2F0" fillcolor="#EFE6FF" shape=plaintext style=filled]
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+		nest1_1 -> nest1_2 [label=models color="#FF5722" dir=forward penwidth=1.5 style=solid]
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+	N18 -> N19 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N19 -> N20 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	nest1_2 -> N19 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N16 -> S0 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N18 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N20 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N18 [label=diagnoses color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=dashed]
+	N13 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_882.txt b/train/graphviz/hard/graphviz_882.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ce05899edaf9a0f4000587e9e6fa64f8d2c35921
--- /dev/null
+++ b/train/graphviz/hard/graphviz_882.txt
@@ -0,0 +1,42 @@
+<AI or ML Model Integration, connectedTo, Risk Assessment>
+<Aerospace Digital Twins, models, Remote Control Capabilities>
+<Aerospace Digital Twins, partOf, Aerospace Digital Twins>
+<Autonomous Operations, connectedTo, Historical Data Analysis>
+<Autonomous Operations, connectedTo, Performance Monitoring>
+<Building Information Modeling Integration, connectedTo, Maintenance Scheduling>
+<Building Information Modeling Integration, connectedTo, Scalability of Models>
+<Cyber_Physical Systems, connectedTo, AI or ML Model Integration>
+<Cyber_Physical Systems, connectedTo, Scalability of Models>
+<Data Governance for Twins, connectedTo, Digital Twin Lifecycle Management>
+<Data Governance for Twins, connectedTo, Enterprise Asset Management Integration>
+<Data Security for Digital Twins, connectedTo, Energy Consumption Optimization>
+<Data Security for Digital Twins, partOf, Data Security for Digital Twins>
+<Digital Twin Lifecycle Management, connectedTo, Data Security for Digital Twins>
+<Digital Twin Lifecycle Management, partOf, Digital Twin Lifecycle Management>
+<Edge Computing for Twins, connectedTo, Data Governance for Twins>
+<Energy Consumption Optimization, connectedTo, Autonomous Operations>
+<Energy Consumption Optimization, connectedTo, Scalability of Models>
+<Enterprise Asset Management Integration, connectedTo, Operational Planning>
+<Enterprise Asset Management Integration, connectedTo, Real_Time Data Streaming>
+<Historical Data Analysis, connectedTo, Aerospace Digital Twins>
+<Historical Data Analysis, partOf, Historical Data Analysis>
+<Interoperability Standards, connectedTo, Smart City Planning>
+<IoT Data Ingestion, connectedTo, Energy Consumption Optimization>
+<IoT Data Ingestion, connectedTo, Operational Planning>
+<Maintenance Scheduling, connectedTo, Edge Computing for Twins>
+<Model Creation, connectedTo, Healthcare Digital Twins>
+<Operational Planning, connectedTo, Healthcare Digital Twins>
+<Operational Planning, connectedTo, Scalability of Models>
+<Operational Planning, connectedTo, What_If Scenario Analysis>
+<Performance Monitoring, connectedTo, Operational Planning>
+<Real_Time Data Streaming, connectedTo, IoT Data Ingestion>
+<Remote Control Capabilities, connectedTo, Model Creation>
+<Remote Control Capabilities, partOf, Remote Control Capabilities>
+<Risk Assessment, connectedTo, Building Information Modeling Integration>
+<Risk Assessment, connectedTo, Simulation Platform Development>
+<Risk Assessment, diagnoses, What_If Scenario Analysis>
+<Scalability of Models, connectedTo, What_If Scenario Analysis>
+<Simulation Platform Development, connectedTo, Interoperability Standards>
+<Simulation Platform Development, connectedTo, Operational Planning>
+<Smart City Planning, connectedTo, Building Information Modeling Integration>
+<What_If Scenario Analysis, connectedTo, Model Creation>
diff --git a/train/graphviz/hard/graphviz_883.dot b/train/graphviz/hard/graphviz_883.dot
new file mode 100644
index 0000000000000000000000000000000000000000..32380dc28b4afe5b8c6b68469d30fa641a862ab7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_883.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=LR
+	N0 [label="Interoperability Standards" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Asset Optimization" color="#C2B2F0" fillcolor="#EFE6FF" shape=Mdiamond style=filled]
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diff --git a/train/graphviz/hard/graphviz_887.txt b/train/graphviz/hard/graphviz_887.txt
new file mode 100644
index 0000000000000000000000000000000000000000..37d20956340f166d8b01a42e4a0cf525d70ca8ff
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_890.txt b/train/graphviz/hard/graphviz_890.txt
new file mode 100644
index 0000000000000000000000000000000000000000..928be10af89da70da864328ce347e94008db57ec
--- /dev/null
+++ b/train/graphviz/hard/graphviz_890.txt
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+<Audit Trail for Automation, connectedTo, Hyperautomation>
+<Audit Trail for Automation, connectedTo, Intelligent Automation>
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+<Chatbot Integration, governs, Finance Process Automation>
+<Chatbot Integration, partOf, Chatbot Integration>
+<Compliance in Automation, connectedTo, Low_Code or No_Code Automation>
+<Compliance in Automation, optimizes, Process Mapping>
+<Customer Service Automation, connectedTo, HR Process Automation>
+<Email Automation, connectedTo, Orchestration of Processes>
+<Error Handling in Automation, connectedTo, Process Mapping>
+<Error Handling in Automation, partOf, Error Handling in Automation>
+<Finance Process Automation, connectedTo, Process Mapping>
+<Finance Process Automation, partOf, Finance Process Automation>
+<HR Process Automation, trains, Email Automation>
+<Hyperautomation, connectedTo, Business Process Management>
+<Integration with Existing Systems, connectedTo, Chatbot Integration>
+<Integration with Existing Systems, connectedTo, Hyperautomation>
+<Integration with Existing Systems, connectedTo, Performance Monitoring of Bots>
+<Intelligent Automation, connectedTo, Compliance in Automation>
+<Low_Code or No_Code Automation, connectedTo, Scripting for Automation>
+<Orchestration of Processes, develops_solutions, User Training for Automated Systems>
+<Performance Monitoring of Bots, connectedTo, Error Handling in Automation>
+<Performance Monitoring of Bots, partOf, Performance Monitoring of Bots>
+<Process Mapping, notifications_sends, Customer Service Automation>
+<Scripting for Automation, connectedTo, Integration with Existing Systems>
+<Supply Chain Automation, connectedTo, Change Management for Automation>
+<Supply Chain Automation, connectedTo, Intelligent Automation>
+<Supply Chain Automation, connectedTo, Low_Code or No_Code Automation>
+<User Training for Automated Systems, connectedTo, Business Process Management>
+<User Training for Automated Systems, connectedTo, Integration with Existing Systems>
+<User Training for Automated Systems, connectedTo, Low_Code or No_Code Automation>
diff --git a/train/graphviz/hard/graphviz_891.dot b/train/graphviz/hard/graphviz_891.dot
new file mode 100644
index 0000000000000000000000000000000000000000..670955114b3d1ff2f7462f9f5aec59ff1397691b
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diff --git a/train/graphviz/hard/graphviz_894.txt b/train/graphviz/hard/graphviz_894.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dad47e73aab7decdf3b5b8ca2a350baf367873ba
--- /dev/null
+++ b/train/graphviz/hard/graphviz_894.txt
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+<Chatbot Integration, connectedTo, Natural Language Processing for Automation>
+<Chatbot Integration, connectedTo, Process Mapping>
+<Chatbot Integration, connectedTo, Task Automation>
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+<HR Process Automation, connectedTo, Return on Investment Calculation>
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+<Optical Character Recognition for Automation, connectedTo, Natural Language Processing for Automation>
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+<Process Mapping, connectedTo, Optical Character Recognition for Automation>
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+<Return on Investment Calculation, connectedTo, Task Automation>
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+<Robotic Process Automation Implementation, connectedTo, Optical Character Recognition for Automation>
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+<Task Automation, connectedTo, Optical Character Recognition for Automation>
+<Workflow Automation Platforms, partOf, Workflow Automation Platforms>
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index 0000000000000000000000000000000000000000..61bca35a52aabd520a77afcee779bc7a22494949
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+++ b/train/graphviz/hard/graphviz_898.txt
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+<Audit Planning, connectedTo, Testing Methods>
+<Audit Planning, partOf, Audit Planning>
+<Component Inspection, connectedTo, Pharmaceutical Quality Control>
+<Defect Detection, connectedTo, Lean Principles in Quality>
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+<Hardware Quality Testing, connectedTo, Inspection Procedures>
+<Hardware Quality Testing, connectedTo, Pharmaceutical Quality Control>
+<Hardware Quality Testing, connectedTo, Quality Data Analysis>
+<Hardware Quality Testing, connectedTo, Regulatory Compliance for Quality>
+<Lean Principles in Quality, connectedTo, Pharmaceutical Quality Control>
+<Lean Principles in Quality, connectedTo, Quality Data Analysis>
+<Lean Principles in Quality, connectedTo, Sampling Plans>
+<Measurement System Analysis, connectedTo, X_ray Inspection>
+<Measurement System Analysis, partOf, Measurement System Analysis>
+<Pharmaceutical Quality Control, connectedTo, Inspection Procedures>
+<Product Testing, connectedTo, Quality Standards Development>
+<Product Testing, partOf, Product Testing>
+<Quality Control Tools, connectedTo, Sampling Plans>
+<Quality Control Tools, partOf, Quality Control Tools>
+<Quality Data Analysis, connectedTo, Regulatory Compliance for Quality>
+<Quality Standards Development, connectedTo, Inspection Procedures>
+<Quality Standards Development, partOf, Quality Standards Development>
+<Regulatory Compliance for Quality, connectedTo, Component Inspection>
+<Regulatory Compliance for Quality, connectedTo, Measurement System Analysis>
+<Regulatory Compliance for Quality, connectedTo, Pharmaceutical Quality Control>
+<Sampling Plans, connectedTo, Hardware Quality Testing>
+<Sampling Plans, connectedTo, Pharmaceutical Quality Control>
+<Sampling Plans, connectedTo, Quality Data Analysis>
+<Testing Methods, connectedTo, Quality Control Tools>
+<Testing Methods, partOf, Testing Methods>
+<X_ray Inspection, connectedTo, Product Testing>
+<X_ray Inspection, partOf, X_ray Inspection>
diff --git a/train/graphviz/hard/graphviz_900.dot b/train/graphviz/hard/graphviz_900.dot
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diff --git a/train/graphviz/hard/graphviz_941.dot b/train/graphviz/hard/graphviz_941.dot
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diff --git a/train/graphviz/hard/graphviz_941.png b/train/graphviz/hard/graphviz_941.png
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diff --git a/train/graphviz/hard/graphviz_942.txt b/train/graphviz/hard/graphviz_942.txt
new file mode 100644
index 0000000000000000000000000000000000000000..259835b20f8f07782acaf6ec64a0cfc6dada0dd2
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+<3D Scanning of Artifacts, connectedTo, Archaeological Excavation>
+<Archaeological Excavation, connectedTo, Digital Storytelling>
+<Archival Management, connectedTo, Crowdsourcing for Heritage Data>
+<Archival Management, partOf, Archival Management>
+<Augmented Reality Tours, connectedTo, Conservation Science>
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+<Conservation Science, connectedTo, Heritage Site Management>
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+<Dating Techniques, partOf, Dating Techniques>
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+<Historical Research, connectedTo, Illicit Trafficking Control>
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+<Intangible Cultural Heritage Preservation, connectedTo, Heritage Site Management>
+<Intangible Cultural Heritage Preservation, connectedTo, Museum Collection Management>
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+<Looting Prevention, connectedTo, Heritage Site Management>
+<Material Analysis, connectedTo, Historical Research>
+<Material Analysis, partOf, Material Analysis>
+<Museum Collection Management, connectedTo, Conservation Science>
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+<Museum Collection Management, connectedTo, Looting Prevention>
+<Museum Collection Management, connectedTo, Oral History Collection>
+<Museum Collection Management, preserves, Public Education Programs>
+<Oral History Collection, connectedTo, Augmented Reality Tours>
+<Oral History Collection, connectedTo, Conservation Science>
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+<Oral History Collection, connectedTo, Looting Prevention>
+<Oral History Collection, connectedTo, Public Education Programs>
+<Oral History Collection, connectedTo, World Heritage Site Management>
+<Public Education Programs, connectedTo, Disaster Preparedness for Heritage>
+<Restoration Techniques, connectedTo, Intangible Cultural Heritage Preservation>
+<World Heritage Site Management, connectedTo, Material Analysis>
+<World Heritage Site Management, partOf, World Heritage Site Management>
diff --git a/train/graphviz/hard/graphviz_945.txt b/train/graphviz/hard/graphviz_945.txt
new file mode 100644
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--- /dev/null
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+<Biocontainment Strategies, connectedTo, Diagnostic Tool Development>
+<Biofuel Production, connectedTo, Bioremediation Applications>
+<Biofuel Production, connectedTo, Public Engagement>
+<Bioremediation Applications, connectedTo, Directed Evolution>
+<Bioremediation Applications, connectedTo, Gene Therapy Delivery Systems>
+<Biosecurity Protocols, connectedTo, Biofuel Production>
+<Biosecurity Protocols, partOf, Biosecurity Protocols>
+<CRISPR_Cas System Optimization, connectedTo, Biofuel Production>
+<CRISPR_Cas System Optimization, connectedTo, Bioremediation Applications>
+<CRISPR_Cas System Optimization, connectedTo, Directed Evolution>
+<Cell_Free Systems, connectedTo, Cellular Reprogramming>
+<Cell_Free Systems, connectedTo, Sustainable Chemical Production>
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+<Cellular Reprogramming, partOf, Cellular Reprogramming>
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+<Diagnostic Tool Development, connectedTo, Synthetic Organism Design>
+<Directed Evolution, connectedTo, Vaccine Synthesis>
+<Gene Therapy Delivery Systems, connectedTo, Directed Evolution>
+<Gene Therapy Delivery Systems, connectedTo, Novel Enzyme Creation>
+<Modular Biology Design, connectedTo, Bioremediation Applications>
+<Novel Enzyme Creation, connectedTo, Directed Evolution>
+<Novel Enzyme Creation, connectedTo, Synthetic Gene Networks>
+<Public Engagement, connectedTo, Directed Evolution>
+<Public Engagement, connectedTo, Modular Biology Design>
+<Risk Assessment, partOf, Risk Assessment>
+<Risk Assessment, publishes, DNA Storage Technologies>
+<Sustainable Chemical Production, connectedTo, DNA Storage Technologies>
+<Synthetic Gene Networks, connectedTo, Biosecurity Protocols>
+<Synthetic Gene Networks, partOf, Synthetic Gene Networks>
+<Synthetic Organism Design, connectedTo, Biofuel Production>
+<Synthetic Organism Design, connectedTo, Bioremediation Applications>
+<Synthetic Organism Design, connectedTo, CRISPR_Cas System Optimization>
+<Synthetic Organism Design, connectedTo, Gene Therapy Delivery Systems>
+<Synthetic Organism Design, connectedTo, Modular Biology Design>
+<Synthetic Organism Design, connectedTo, Sustainable Chemical Production>
+<Vaccine Synthesis, connectedTo, Cell_Free Systems>
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+<Vaccine Synthesis, connectedTo, Sustainable Chemical Production>
diff --git a/train/graphviz/hard/graphviz_946.txt b/train/graphviz/hard/graphviz_946.txt
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index 0000000000000000000000000000000000000000..009e9cf627ab83418bde291d7f38b1c6e987b5cd
--- /dev/null
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+<Artificial Cells, connectedTo, Bioremediation Applications>
+<Artificial Cells, connectedTo, Gene Therapy Delivery Systems>
+<Artificial Cells, connectedTo, Protein Design>
+<Bio_computation, connectedTo, Artificial Cells>
+<Bio_computation, connectedTo, Bioremediation Applications>
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+<Bioremediation Applications, connectedTo, Computational Design of Biological Systems>
+<Bioremediation Applications, connectedTo, Microbial Factories>
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+<Biosecurity Protocols, patents, High_Throughput Screening>
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+<Biosensor Development, partOf, Biosensor Development>
+<Cell_Free Systems, connectedTo, Public Engagement>
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+<Cellular Reprogramming, partOf, Cellular Reprogramming>
+<Computational Design of Biological Systems, connectedTo, Protein Design>
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+<DNA Storage Technologies, connectedTo, Gene Therapy Delivery Systems>
+<Gene Synthesis Platforms, designs, Risk Assessment>
+<Gene Synthesis Platforms, partOf, Gene Synthesis Platforms>
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+<Genome Engineering, partOf, Genome Engineering>
+<High_Throughput Screening, connectedTo, Genome Engineering>
+<High_Throughput Screening, partOf, High_Throughput Screening>
+<Microbial Factories, connectedTo, Sustainable Chemical Production>
+<Novel Enzyme Creation, connectedTo, Bioremediation Applications>
+<Novel Enzyme Creation, connectedTo, Synthetic Gene Networks>
+<Novel Enzyme Creation, educates, Microbial Factories>
+<Protein Design, connectedTo, Microbial Factories>
+<Public Engagement, connectedTo, Biosecurity Protocols>
+<Public Engagement, connectedTo, DNA Storage Technologies>
+<Risk Assessment, connectedTo, Cellular Reprogramming>
+<Risk Assessment, partOf, Risk Assessment>
+<Sustainable Chemical Production, connectedTo, Cell_Free Systems>
+<Sustainable Chemical Production, connectedTo, DNA Storage Technologies>
+<Sustainable Chemical Production, connectedTo, Gene Therapy Delivery Systems>
+<Synthetic Gene Networks, connectedTo, Bio_computation>
+<Synthetic Gene Networks, connectedTo, Bioremediation Applications>
+<Synthetic Gene Networks, connectedTo, Microbial Factories>
diff --git a/train/graphviz/hard/graphviz_949.dot b/train/graphviz/hard/graphviz_949.dot
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_95.txt b/train/graphviz/hard/graphviz_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..03ab5168aec32698d47d400035c880581c15c6bd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_95.txt
@@ -0,0 +1,40 @@
+<Activity Booking, connectedTo, Language Translation Service>
+<Activity Booking, connectedTo, Restaurant Reservation>
+<Adventure Sports Booking, connectedTo, Loyalty Program Enrollment>
+<Airport Transfer, connectedTo, Itinerary Planning>
+<Airport Transfer, documents, Travel Insurance>
+<Booking Modification, connectedTo, Airport Transfer>
+<Booking Modification, connectedTo, Event Reservation>
+<Booking Modification, connectedTo, Historical Site Exploration>
+<Booking Modification, connectedTo, Loyalty Program Enrollment>
+<Currency Exchange, connectedTo, Flight Booking>
+<Currency Exchange, partOf, Currency Exchange>
+<Emergency Assistance, connectedTo, Historical Site Exploration>
+<Emergency Assistance, connectedTo, Travel Insurance>
+<Event Reservation, books, Hotel Check_in>
+<Flight Booking, connectedTo, Travel Advisory Updates>
+<Flight Booking, partOf, Flight Booking>
+<Historical Site Exploration, connectedTo, Adventure Sports Booking>
+<Hotel Check_in, connectedTo, Emergency Assistance>
+<Itinerary Planning, connectedTo, Event Reservation>
+<Itinerary Planning, connectedTo, Hotel Check_in>
+<Loyalty Program Enrollment, connectedTo, Travel Advisory Updates>
+<Passport Renewal Assistance, partOf, Passport Renewal Assistance>
+<Passport Renewal Assistance, sells, Currency Exchange>
+<Rental Car Pickup, connectedTo, Airport Transfer>
+<Rental Car Pickup, connectedTo, Booking Modification>
+<Rental Car Pickup, connectedTo, Hotel Check_in>
+<Rental Car Pickup, connectedTo, Passport Renewal Assistance>
+<Rental Car Pickup, connectedTo, Travel Insurance>
+<Restaurant Reservation, connectedTo, Tour Guide Assignment>
+<Restaurant Reservation, partOf, Restaurant Reservation>
+<Tour Guide Assignment, connectedTo, Travel Advisory Updates>
+<Tour Guide Assignment, partOf, Tour Guide Assignment>
+<Travel Advisory Updates, connectedTo, Travel Insurance>
+<Travel Blog Creation, collects feedback, Rental Car Pickup>
+<Travel Blog Creation, connectedTo, Airport Transfer>
+<Travel Blog Creation, connectedTo, Hotel Check_in>
+<Travel Blog Creation, guides, Travel Insurance>
+<Travel Blog Creation, reviews, Travel Insurance>
+<Travel Blog Creation, transports, Language Translation Service>
+<Travel Insurance, connectedTo, Activity Booking>
diff --git a/train/graphviz/hard/graphviz_950.dot b/train/graphviz/hard/graphviz_950.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d3dde7c0420eaefc3e5bc6034d831918a7839c6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_950.dot
@@ -0,0 +1,72 @@
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diff --git a/train/graphviz/hard/graphviz_952.dot b/train/graphviz/hard/graphviz_952.dot
new file mode 100644
index 0000000000000000000000000000000000000000..400d3ec2aad3b9a1b14959fd9135e43ff941ff07
--- /dev/null
+++ b/train/graphviz/hard/graphviz_952.dot
@@ -0,0 +1,85 @@
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diff --git a/train/graphviz/hard/graphviz_954.dot b/train/graphviz/hard/graphviz_954.dot
new file mode 100644
index 0000000000000000000000000000000000000000..667c6ee08890ba19bfbedd12a329d1e972629204
--- /dev/null
+++ b/train/graphviz/hard/graphviz_954.dot
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