diff --git a/test/diagrams/graph_easy/diagrams_1.dot b/test/diagrams/graph_easy/diagrams_1.dot
new file mode 100644
index 0000000000000000000000000000000000000000..859ddcf70e1ea09b10f4edd42ba5d4c907f45bb6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_1.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Debt Collection" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+	N1 [label="Credit Card Application" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N2 [label="Venture Capital Funding" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N3 [label="Portfolio Management" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N4 [label="Loan Processing" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N5 [label="Investment Planning" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N6 [label="KYC Validation" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N7 [label="Financial Reporting" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=dashed label="allocates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="funds" dir=forward]
+	N2 -> N3 [color="#FFC085" penwidth=1.5 style=solid label="consults" dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N1 -> N5 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_1.txt b/test/diagrams/graph_easy/diagrams_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f681a23c452dbeff3ca1cac3ab0fe298948cac7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_1.txt
@@ -0,0 +1,8 @@
+<Credit Card Application, connectedTo, Investment Planning>
+<Credit Card Application, funds, Venture Capital Funding>
+<Debt Collection, allocates, Credit Card Application>
+<Investment Planning, connectedTo, KYC Validation>
+<KYC Validation, connectedTo, Financial Reporting>
+<Loan Processing, connectedTo, Investment Planning>
+<Portfolio Management, reports, Loan Processing>
+<Venture Capital Funding, consults, Portfolio Management>
diff --git a/test/diagrams/graph_easy/diagrams_10.dot b/test/diagrams/graph_easy/diagrams_10.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ee4e8cc00bc601db47e8761962f50f75ec079e71
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_10.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Document Verification" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N1 [label="Alumni Network Management" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N2 [label="Library Registration" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	N3 [label="Course Selection" color="#3F51B5" fillcolor="#C5CAE9" shape=parallelogram style=filled]
+	N4 [label="Course Material Preparation" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N5 [label="Club Registration" color="#4DD0E1" fillcolor="#C9F0F0" shape=rect style=filled]
+	N6 [label="Certificate Issuance" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N7 [label="Assignment Submission" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N8 [label="Graduation Approval" color="#4DD0E1" fillcolor="#C9F0F0" shape=predefinedprocess style=filled]
+	N9 [label="Result Declaration" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+	N10 [label="Grade Entry" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N11 [label="Exam Conduct" color="#4DD0E1" fillcolor="#C9F0F0" shape=inputoutput style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="accesses" dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#3F51B5" penwidth=1.5 style=solid label="conducts" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed label="issues" dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=solid label="registers" dir=forward]
+	N7 -> N8 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#9C27B0" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N4 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_10.txt b/test/diagrams/graph_easy/diagrams_10.txt
new file mode 100644
index 0000000000000000000000000000000000000000..048a1f3a046345eff6eb7845a9b01d2d77afb5df
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_10.txt
@@ -0,0 +1,12 @@
+<Alumni Network Management, connectedTo, Library Registration>
+<Assignment Submission, connectedTo, Graduation Approval>
+<Certificate Issuance, registers, Assignment Submission>
+<Club Registration, issues, Certificate Issuance>
+<Course Material Preparation, connectedTo, Club Registration>
+<Course Material Preparation, connectedTo, Course Selection>
+<Course Selection, trains, Course Material Preparation>
+<Document Verification, accesses, Alumni Network Management>
+<Grade Entry, tracks, Exam Conduct>
+<Graduation Approval, connectedTo, Result Declaration>
+<Library Registration, conducts, Course Selection>
+<Result Declaration, connectedTo, Grade Entry>
diff --git a/test/diagrams/graph_easy/diagrams_100.dot b/test/diagrams/graph_easy/diagrams_100.dot
new file mode 100644
index 0000000000000000000000000000000000000000..46daf303b27d1cdaf106c8f6e8353374ee6b0faa
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_100.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Onboarding Handoff" color="#4DB6AC" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N1 [label="Candidate Relationship Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N2 [label="Psychometric Testing" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N3 [label="Job Description Creation" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N4 [label="Candidate Screening" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N5 [label="Offer Extension" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N6 [label="Employee Referral Program" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N7 [label="Compliance in Hiring" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N8 [label="AI in Recruitment" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N9 [label="Negotiation" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=solid label="offers" dir=forward]
+	N1 -> N2 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFC2C2" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="develops" dir=forward]
+	N4 -> N5 [color="#3F51B5" penwidth=1.5 style=dashed label="posts" dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#4DB6AC" penwidth=1.5 style=solid label="hires" dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N3 -> N9 [color="#4DB6AC" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N3 -> N0 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_100.txt b/test/diagrams/graph_easy/diagrams_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..299e7663064ba7f6d8c01417e350f4092d93e272
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_100.txt
@@ -0,0 +1,11 @@
+<AI in Recruitment, innovates, Negotiation>
+<Candidate Relationship Management, connectedTo, Psychometric Testing>
+<Candidate Screening, posts, Offer Extension>
+<Compliance in Hiring, hires, AI in Recruitment>
+<Employee Referral Program, connectedTo, Compliance in Hiring>
+<Job Description Creation, connectedTo, Onboarding Handoff>
+<Job Description Creation, develops, Candidate Screening>
+<Job Description Creation, regulates, Negotiation>
+<Offer Extension, connectedTo, Employee Referral Program>
+<Onboarding Handoff, offers, Candidate Relationship Management>
+<Psychometric Testing, communicates, Job Description Creation>
diff --git a/test/diagrams/graph_easy/diagrams_101.dot b/test/diagrams/graph_easy/diagrams_101.dot
new file mode 100644
index 0000000000000000000000000000000000000000..efc87108b491a994524de73602f1e7e786d81a7d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_101.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Video Interviewing" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N1 [label="Candidate Experience Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N2 [label="Talent Pipeline Building" color="#92C79A" fillcolor="#E8F0EA" shape=preparation style=filled]
+	N3 [label="Reference Checking" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N4 [label="Headhunting" color="#FFEB3B" fillcolor="#FFF9C4" shape=multipledocuments style=filled]
+	N5 [label="Contingent Workforce Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=action style=filled]
+	N6 [label="Candidate Assessment Design" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N7 [label="Job Fair Organization" color="#FFEB3B" fillcolor="#FFF9C4" shape=predefinedprocess style=filled]
+	N8 [label="Job Description Creation" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+	N9 [label="Applicant Tracking System Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+	N10 [label="Diversity Sourcing" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N11 [label="Interview Panel Coordination" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFEB3B" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="negotiates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="sources" dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#92C79A" penwidth=1.5 style=dashed label="declines" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=solid label="refers" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="offers" dir=forward]
+	N10 -> N11 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N8 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N6 [color="#FFEB3B" penwidth=1.5 style=dashed label="selects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_101.txt b/test/diagrams/graph_easy/diagrams_101.txt
new file mode 100644
index 0000000000000000000000000000000000000000..648cc49dd549d6358957d5d4e173d19940aaeff6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_101.txt
@@ -0,0 +1,13 @@
+<Applicant Tracking System Management, offers, Diversity Sourcing>
+<Candidate Assessment Design, declines, Job Fair Organization>
+<Candidate Experience Management, analyzes, Talent Pipeline Building>
+<Contingent Workforce Management, connectedTo, Candidate Assessment Design>
+<Diversity Sourcing, connectedTo, Interview Panel Coordination>
+<Headhunting, connectedTo, Contingent Workforce Management>
+<Headhunting, selects, Candidate Assessment Design>
+<Interview Panel Coordination, connectedTo, Job Description Creation>
+<Job Description Creation, protects, Applicant Tracking System Management>
+<Job Fair Organization, refers, Job Description Creation>
+<Reference Checking, sources, Headhunting>
+<Talent Pipeline Building, negotiates, Reference Checking>
+<Video Interviewing, connectedTo, Candidate Experience Management>
diff --git a/test/diagrams/graph_easy/diagrams_102.dot b/test/diagrams/graph_easy/diagrams_102.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0bb95f072404453a13498141a3d1c6def51c9de3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_102.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Video Interviewing" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N1 [label="Contingent Workforce Management" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N2 [label="Candidate Assessment Design" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N3 [label="Reference Checking" color="#73C6BC" fillcolor="#D0EFEE" shape=document style=filled]
+	N4 [label="Global Recruitment Strategy" color="#AB47BC" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N5 [label="Candidate Relationship Management" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+	N6 [label="Employee Referral Program" color="#AB47BC" fillcolor="#F3E5F5" shape=document style=filled]
+	N7 [label="Negotiation" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N8 [label="Candidate Feedback Collection" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N9 [label="Campus Recruitment" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N0 -> N1 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#73C6BC" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N4 -> N5 [color="#AB47BC" penwidth=1.5 style=solid label="develops" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#B8C0F5" penwidth=1.5 style=solid label="headhunts" dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=dashed label="sources" dir=forward]
+	N8 -> N9 [color="#AB47BC" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N3 -> N2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N1 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_102.txt b/test/diagrams/graph_easy/diagrams_102.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a8893d77b9c2759bba51a920a90b61ee62ac5e96
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_102.txt
@@ -0,0 +1,11 @@
+<Candidate Assessment Design, connectedTo, Reference Checking>
+<Candidate Feedback Collection, tracks, Campus Recruitment>
+<Candidate Relationship Management, connectedTo, Employee Referral Program>
+<Contingent Workforce Management, connectedTo, Candidate Assessment Design>
+<Contingent Workforce Management, connectedTo, Candidate Feedback Collection>
+<Employee Referral Program, headhunts, Negotiation>
+<Global Recruitment Strategy, develops, Candidate Relationship Management>
+<Negotiation, sources, Candidate Feedback Collection>
+<Reference Checking, advises, Global Recruitment Strategy>
+<Reference Checking, connectedTo, Candidate Assessment Design>
+<Video Interviewing, connectedTo, Contingent Workforce Management>
diff --git a/test/diagrams/graph_easy/diagrams_103.txt b/test/diagrams/graph_easy/diagrams_103.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a1134b0f7478af1ceb038a32975c4da915ad0d2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_103.txt
@@ -0,0 +1,11 @@
+<Cross_selling Opportunities, connectedTo, Accessibility Support>
+<Cross_selling Opportunities, feedback, Customer Loyalty Program Support>
+<Customer Loyalty Program Support, monitors, Accessibility Support>
+<Email Support, connectedTo, Social Media Response>
+<First Contact Resolution Optimization, troubleshoots, Sentiment Analysis>
+<Live Chat Support, surveys, Technical Support>
+<Personalized Assistance, connectedTo, Cross_selling Opportunities>
+<Proactive Communication, refunds, Email Support>
+<Sentiment Analysis, improves, Personalized Assistance>
+<Social Media Response, connectedTo, Live Chat Support>
+<Technical Support, secures, First Contact Resolution Optimization>
diff --git a/test/diagrams/graph_easy/diagrams_104.dot b/test/diagrams/graph_easy/diagrams_104.dot
new file mode 100644
index 0000000000000000000000000000000000000000..64c9e2983036819808ce4aec69ea156ffaca4fc7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_104.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Personalized Assistance" color="#CD8FF2" fillcolor="#ECCFF5" shape=rectangle style=filled]
+	N1 [label="Issue Escalation" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N2 [label="Customer Loyalty Program Support" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
+	N3 [label="Knowledge Base Creation" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N4 [label="Email Support" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N5 [label="Live Chat Support" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N6 [label="Customer Onboarding Support" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N7 [label="Technical Support" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N8 [label="Phone Support" color="#CD8FF2" fillcolor="#ECCFF5" shape=action style=filled]
+	N9 [label="Proactive Communication" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N10 [label="Complaint Trend Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=preparation style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=dashed label="empathizes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="socials" dir=forward]
+	N2 -> N3 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="emails" dir=forward]
+	N5 -> N6 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=dashed label="retains" dir=forward]
+	N9 -> N10 [color="#FFE69C" penwidth=1.5 style=solid label="escalates" dir=forward]
+	N9 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N5 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_104.txt b/test/diagrams/graph_easy/diagrams_104.txt
new file mode 100644
index 0000000000000000000000000000000000000000..30e7a75e5dadd6b924e30c5d377820cab3cedad6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_104.txt
@@ -0,0 +1,12 @@
+<Customer Loyalty Program Support, connectedTo, Knowledge Base Creation>
+<Customer Onboarding Support, connectedTo, Technical Support>
+<Email Support, emails, Live Chat Support>
+<Issue Escalation, connectedTo, Live Chat Support>
+<Issue Escalation, socials, Customer Loyalty Program Support>
+<Knowledge Base Creation, connectedTo, Email Support>
+<Live Chat Support, connectedTo, Customer Onboarding Support>
+<Personalized Assistance, empathizes, Issue Escalation>
+<Phone Support, retains, Proactive Communication>
+<Proactive Communication, connectedTo, Issue Escalation>
+<Proactive Communication, escalates, Complaint Trend Analysis>
+<Technical Support, surveys, Phone Support>
diff --git a/test/diagrams/graph_easy/diagrams_105.dot b/test/diagrams/graph_easy/diagrams_105.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a22a2d9fba5a2c0739fc810465e94fec5f9fda4e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_105.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Customer Satisfaction Survey" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N1 [label="Feedback Loop to Product Development" color="#FFB2A5" fillcolor="#FFDCD6" shape=vnode_shape style=filled]
+	N2 [label="Customer Success Management" color="#F06292" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N3 [label="Issue Escalation" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N4 [label="Account Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N5 [label="Training Customer Service Agents" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N6 [label="Email Support" color="#CD8FF2" fillcolor="#ECCFF5" shape=inputoutput style=filled]
+	N7 [label="Accessibility Support" color="#FFB2A5" fillcolor="#FFDCD6" shape=action style=filled]
+	N8 [label="Cross_selling Opportunities" color="#CD8FF2" fillcolor="#ECCFF5" shape=inputoutput style=filled]
+	N9 [label="Product Information Provision" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	N10 [label="Service Blueprinting" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N11 [label="Multilingual Support" color="#F06292" fillcolor="#FCE4EC" shape=database style=filled]
+	N0 -> N1 [color="#CD8FF2" penwidth=1.5 style=solid label="reports" dir=forward]
+	N1 -> N2 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#F06292" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="returns" dir=forward]
+	N7 -> N8 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#CD8FF2" penwidth=1.5 style=solid label="listens" dir=forward]
+	N10 -> N11 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N11 -> N0 [color="#000000" penwidth=1.5 style=solid label="records" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_105.txt b/test/diagrams/graph_easy/diagrams_105.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e973e90958e9c1988fcd4fe56d2ee88d17d18f91
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_105.txt
@@ -0,0 +1,12 @@
+<Accessibility Support, connectedTo, Cross_selling Opportunities>
+<Account Management, connectedTo, Training Customer Service Agents>
+<Cross_selling Opportunities, connectedTo, Product Information Provision>
+<Customer Satisfaction Survey, reports, Feedback Loop to Product Development>
+<Customer Success Management, connectedTo, Issue Escalation>
+<Email Support, returns, Accessibility Support>
+<Feedback Loop to Product Development, connectedTo, Customer Success Management>
+<Issue Escalation, analyzes, Account Management>
+<Multilingual Support, records, Customer Satisfaction Survey>
+<Product Information Provision, listens, Service Blueprinting>
+<Service Blueprinting, connectedTo, Multilingual Support>
+<Training Customer Service Agents, guides, Email Support>
diff --git a/test/diagrams/graph_easy/diagrams_106.dot b/test/diagrams/graph_easy/diagrams_106.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0261d9bb92b8364c93658974d9a0767dee23ccde
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_106.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Third_Party Logistics Management" color="#61CAC3" fillcolor="#C2E8E6" shape=document style=filled]
+	N1 [label="Distribution Network Design" color="#BDAFA8" fillcolor="#E4E0DF" shape=rect style=filled]
+	N2 [label="Supplier Relationship Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=document style=filled]
+	N3 [label="Contract Manufacturing Oversight" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N4 [label="Global Sourcing Strategy" color="#BCB88A" fillcolor="#F5F5DC" shape=rectangle style=filled]
+	N5 [label="Collaborative Planning" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N6 [label="Intermodal Transportation" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N7 [label="Procurement" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N8 [label="Freight Auditing" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N9 [label="Warehousing" color="#BCB88A" fillcolor="#F5F5DC" shape=rect style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=solid label="researches" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#61CAC3" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N5 -> N6 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N8 -> N9 [color="#BCB88A" penwidth=1.5 style=solid label="implements" dir=forward]
+	N7 -> N0 [color="#BDAFA8" penwidth=1.5 style=solid label="negotiates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_106.txt b/test/diagrams/graph_easy/diagrams_106.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a28e484f04b3de66e15bc74c3b110e71da54023
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_106.txt
@@ -0,0 +1,10 @@
+<Collaborative Planning, connectedTo, Intermodal Transportation>
+<Contract Manufacturing Oversight, connectedTo, Global Sourcing Strategy>
+<Distribution Network Design, connectedTo, Supplier Relationship Management>
+<Freight Auditing, implements, Warehousing>
+<Global Sourcing Strategy, predicts, Collaborative Planning>
+<Intermodal Transportation, connectedTo, Procurement>
+<Procurement, negotiates, Third_Party Logistics Management>
+<Procurement, simulates, Freight Auditing>
+<Supplier Relationship Management, connectedTo, Contract Manufacturing Oversight>
+<Third_Party Logistics Management, researches, Distribution Network Design>
diff --git a/test/diagrams/graph_easy/diagrams_107.dot b/test/diagrams/graph_easy/diagrams_107.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d5275d7435fbf8f66e7b9a9d753014561ada243a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_107.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Distribution Network Design" color="#B0C5CD" fillcolor="#DFE7EB" shape=rect style=filled]
+	N1 [label="Order Fulfillment" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N2 [label="Supplier Selection" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N3 [label="Freight Auditing" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N4 [label="Blockchain for Traceability" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N5 [label="Predictive Analytics" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N6 [label="Warehousing" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+	N7 [label="Supplier Relationship Management" color="#6EB76D" fillcolor="#E9F7E8" shape=rectangle style=filled]
+	N8 [label="Supply Chain Visibility" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N9 [label="Global Sourcing Strategy" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="procures" dir=forward]
+	N2 -> N3 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="delivers" dir=forward]
+	N4 -> N5 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="stores" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N8 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_107.txt b/test/diagrams/graph_easy/diagrams_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..967989181642bb1a28f411c7400a23f8d59c8905
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_107.txt
@@ -0,0 +1,11 @@
+<Blockchain for Traceability, connectedTo, Predictive Analytics>
+<Distribution Network Design, connectedTo, Predictive Analytics>
+<Distribution Network Design, forecasts, Order Fulfillment>
+<Freight Auditing, delivers, Blockchain for Traceability>
+<Global Sourcing Strategy, connectedTo, Supply Chain Visibility>
+<Order Fulfillment, procures, Supplier Selection>
+<Predictive Analytics, connectedTo, Warehousing>
+<Supplier Relationship Management, stores, Supply Chain Visibility>
+<Supplier Selection, connectedTo, Freight Auditing>
+<Supply Chain Visibility, connectedTo, Global Sourcing Strategy>
+<Warehousing, plans, Supplier Relationship Management>
diff --git a/test/diagrams/graph_easy/diagrams_108.dot b/test/diagrams/graph_easy/diagrams_108.dot
new file mode 100644
index 0000000000000000000000000000000000000000..217b0146867662a222fefc41e1e6f9a60cf6e3bd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_108.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Quality Control in Supply Chain" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N1 [label="Supplier Selection" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N2 [label="Intermodal Transportation" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N3 [label="Freight Auditing" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N4 [label="Distribution Network Design" color="#FFD54F" fillcolor="#FFF8E1" shape=database style=filled]
+	N5 [label="Demand Planning" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N6 [label="Contract Manufacturing Oversight" color="#FF5722" fillcolor="#FFCCBC" shape=rect style=filled]
+	N7 [label="Inventory Management" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N8 [label="Production Planning" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N9 [label="Collaborative Planning" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N10 [label="Hazardous Materials Handling" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N1 -> N2 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFD54F" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N7 -> N8 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FF5722" penwidth=1.5 style=solid label="complies" dir=forward]
+	N2 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N8 [color="#000000" penwidth=1.5 style=solid label="simulates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_109.txt b/test/diagrams/graph_easy/diagrams_109.txt
new file mode 100644
index 0000000000000000000000000000000000000000..37f853b1fe0ff460e8d063109faee34b82753dbf
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_109.txt
@@ -0,0 +1,10 @@
+<Crushing and Grinding, connectedTo, Energy Management>
+<Crushing and Grinding, connectedTo, Safety Management>
+<Emergency Response Planning, complies, Ventilation System>
+<Energy Management, funds, Exploration Drilling>
+<Geological Survey, connectedTo, Crushing and Grinding>
+<Geological Survey, connectedTo, Emergency Response Planning>
+<Mine Closure Planning, tests, Refining>
+<Refining, drills, Crushing and Grinding>
+<Safety Management, connectedTo, Mine Closure Planning>
+<Ventilation System, secures, Safety Management>
diff --git a/test/diagrams/graph_easy/diagrams_11.dot b/test/diagrams/graph_easy/diagrams_11.dot
new file mode 100644
index 0000000000000000000000000000000000000000..18d631b77be1b964a1213258610acd69cc0fcf0d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_11.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Curriculum Development" color="#FFA726" fillcolor="#FFF3E0" shape=action style=filled]
+	N1 [label="Student Feedback Collection" color="#4CAF50" fillcolor="#C8E6C9" shape=rect style=filled]
+	N2 [label="Orientation" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N3 [label="Parent_Teacher Conference" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N4 [label="Grade Entry" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N5 [label="Attendance Tracking" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N6 [label="Extracurricular Activity" color="#388E3C" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N7 [label="Career Services" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N8 [label="Transcript Issuance" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4CAF50" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N4 -> N5 [color="#FFA726" penwidth=1.5 style=solid label="researches" dir=forward]
+	N5 -> N6 [color="#4CAF50" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFA726" penwidth=1.5 style=solid label="mentors" dir=forward]
+	N2 -> N7 [color="#4CAF50" penwidth=1.5 style=solid label="issues" dir=forward]
+	N0 -> N2 [color="#4CAF50" penwidth=1.5 style=solid label="plans" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_11.txt b/test/diagrams/graph_easy/diagrams_11.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fba4c34d339153555421b3b0505250154fd6a18e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_11.txt
@@ -0,0 +1,10 @@
+<Attendance Tracking, updates, Extracurricular Activity>
+<Career Services, mentors, Transcript Issuance>
+<Curriculum Development, plans, Orientation>
+<Curriculum Development, reports, Student Feedback Collection>
+<Extracurricular Activity, connectedTo, Career Services>
+<Grade Entry, researches, Attendance Tracking>
+<Orientation, connectedTo, Parent_Teacher Conference>
+<Orientation, issues, Career Services>
+<Parent_Teacher Conference, licenses, Grade Entry>
+<Student Feedback Collection, connectedTo, Orientation>
diff --git a/test/diagrams/graph_easy/diagrams_110.dot b/test/diagrams/graph_easy/diagrams_110.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2d515fc794cc19f5e02b08366338cda5dd6304b4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_110.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Permit Acquisition" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N1 [label="Feasibility Study" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N2 [label="Exploration" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N3 [label="Geotechnical Stability Analysis" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N4 [label="Robotics in Mining" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N5 [label="Waste Rock Management" color="#FFA726" fillcolor="#FFF3E0" shape=document style=filled]
+	N6 [label="Product Marketing" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	N7 [label="Environmental Impact Assessment" color="#BDAFA8" fillcolor="#E4E0DF" shape=predefinedprocess style=filled]
+	N8 [label="Asset Management" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N9 [label="Autonomous Haulage Systems" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N0 -> N1 [color="#BDAFA8" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=solid label="complies" dir=forward]
+	N2 -> N3 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed label="operates" dir=forward]
+	N6 -> N7 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N9 -> N3 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N0 -> N5 [color="#000000" penwidth=1.5 style=solid label="plans" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_111.txt b/test/diagrams/graph_easy/diagrams_111.txt
new file mode 100644
index 0000000000000000000000000000000000000000..accf7d1fd305a9e00c315884e787bcbb13ef60e4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_111.txt
@@ -0,0 +1,10 @@
+<Community Relations, audits, Water Management>
+<Community Relations, connectedTo, Noise Management>
+<Core Logging, designs, Mine Closure Planning>
+<Emergency Response Planning, connectedTo, Geotechnical Stability Analysis>
+<Equipment Maintenance, crushes, Core Logging>
+<Geotechnical Stability Analysis, extracts, Noise Management>
+<Geotechnical Stability Analysis, repairs, Core Logging>
+<Mine Closure Planning, prices, Community Relations>
+<Noise Management, connectedTo, Safety Management>
+<Safety Management, connectedTo, Equipment Maintenance>
diff --git a/test/diagrams/graph_easy/diagrams_112.dot b/test/diagrams/graph_easy/diagrams_112.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ba9df3f5ceacc23b06bdc7e6e8c36c72c541a063
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_112.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Hydrographic Surveying" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N1 [label="Container Tracking" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N2 [label="Vessel Chartering" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N3 [label="Ballast Water Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N4 [label="Shipbuilding" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+	N5 [label="Maritime Law Compliance" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N6 [label="Voyage Optimization" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N7 [label="Bunkering" color="#9575CD" fillcolor="#EDE7F6" shape=rect style=filled]
+	N8 [label="Port Congestion Management" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N9 [label="Cargo Loading" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N5 -> N6 [color="#FFCC7A" penwidth=1.5 style=solid label="loads" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#D2D2D2" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N8 -> N9 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N8 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N2 [color="#9575CD" penwidth=1.5 style=dashed label="maintains" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_113.dot b/test/diagrams/graph_easy/diagrams_113.dot
new file mode 100644
index 0000000000000000000000000000000000000000..da07ee59cd9503f07483f9fef411eb802a5b4eb8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_113.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Marine Research" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	N1 [label="Port Operations" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N2 [label="Maritime Security" color="#CB9BE1" fillcolor="#F2E6F5" shape=multipledocuments style=filled]
+	N3 [label="Subsea Cable Laying" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N4 [label="Fleet Management" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N5 [label="Ballast Water Management" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N6 [label="Marine Safety Inspection" color="#CB9BE1" fillcolor="#F2E6F5" shape=document style=filled]
+	N7 [label="Vessel Maintenance" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="unloads" dir=forward]
+	N1 -> N2 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N3 -> N4 [color="#CB9BE1" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=solid label="salvages" dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N2 [color="#9575CD" penwidth=1.5 style=solid label="monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_114.dot b/test/diagrams/graph_easy/diagrams_114.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e1740e9fd664364003163f4bdfea5becb85c133b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_114.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Marine Data Analytics" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N1 [label="Crew Management" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N2 [label="Maritime Law Compliance" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N3 [label="Pollution Control" color="#F7BEE0" fillcolor="#FAEBF3" shape=preparation style=filled]
+	N4 [label="Shipbuilding" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N5 [label="Route Planning" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N6 [label="Search and Rescue Coordination" color="#FFC2C2" fillcolor="#FFEBEB" shape=preparation style=filled]
+	N7 [label="Container Tracking" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N8 [label="Hydrographic Surveying" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N9 [label="Green Shipping Initiatives" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid label="manages" dir=forward]
+	N1 -> N2 [color="#FFC085" penwidth=1.5 style=solid label="equipment" dir=forward]
+	N2 -> N3 [color="#FFC085" penwidth=1.5 style=solid label="systems" dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=solid label="reports" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="salvages" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFC085" penwidth=1.5 style=dashed label="loads" dir=forward]
+	N8 -> N9 [color="#F7BEE0" penwidth=1.5 style=dashed label="operates" dir=forward]
+	N7 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N0 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_114.txt b/test/diagrams/graph_easy/diagrams_114.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2444ba36ddd79c065d7f1031c06ae6c7bf9f10d9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_114.txt
@@ -0,0 +1,11 @@
+<Container Tracking, connectedTo, Marine Data Analytics>
+<Container Tracking, connectedTo, Route Planning>
+<Container Tracking, loads, Hydrographic Surveying>
+<Crew Management, equipment, Maritime Law Compliance>
+<Hydrographic Surveying, operates, Green Shipping Initiatives>
+<Marine Data Analytics, manages, Crew Management>
+<Maritime Law Compliance, systems, Pollution Control>
+<Pollution Control, connectedTo, Shipbuilding>
+<Route Planning, salvages, Search and Rescue Coordination>
+<Search and Rescue Coordination, connectedTo, Container Tracking>
+<Shipbuilding, reports, Route Planning>
diff --git a/test/diagrams/graph_easy/diagrams_115.dot b/test/diagrams/graph_easy/diagrams_115.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9f4c802678f9e91f3ae166fa770199086b6290b4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_115.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="International Collaboration" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Space Habitat Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N2 [label="Mars Mission Planning" color="#B8C0F5" fillcolor="#ECF0FD" shape=multipledocuments style=filled]
+	N3 [label="Astronaut Training" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N4 [label="Ground Station Operations" color="#B8C0F5" fillcolor="#ECF0FD" shape=multipledocuments style=filled]
+	N5 [label="Rocket Propulsion Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N6 [label="Satellite Deployment" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N7 [label="Deep Space Communications" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N8 [label="Spacecraft Control" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N9 [label="Commercial Space Flight Regulation" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N10 [label="Telemetry Monitoring" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N11 [label="Astrophysics Research" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid label="budgets" dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=solid label="tests" dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFCC7A" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N7 -> N8 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#4DD0E1" penwidth=1.5 style=solid label="navigates" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N3 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_115.txt b/test/diagrams/graph_easy/diagrams_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f6e7c19df4ee69d96fa40756e36fa8fd7a949096
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_115.txt
@@ -0,0 +1,12 @@
+<Astronaut Training, connectedTo, Ground Station Operations>
+<Commercial Space Flight Regulation, navigates, Telemetry Monitoring>
+<Deep Space Communications, connectedTo, Spacecraft Control>
+<Ground Station Operations, secures, Rocket Propulsion Development>
+<International Collaboration, connectedTo, Space Habitat Development>
+<Mars Mission Planning, tests, Astronaut Training>
+<Rocket Propulsion Development, connectedTo, Satellite Deployment>
+<Satellite Deployment, analyzes, Deep Space Communications>
+<Space Habitat Development, budgets, Mars Mission Planning>
+<Spacecraft Control, connectedTo, Commercial Space Flight Regulation>
+<Telemetry Monitoring, connectedTo, Astronaut Training>
+<Telemetry Monitoring, connectedTo, Astrophysics Research>
diff --git a/test/diagrams/graph_easy/diagrams_116.dot b/test/diagrams/graph_easy/diagrams_116.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6785f2983030680779404888896f98738fb68253
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_116.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="In_Situ Resource Utilization" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N1 [label="Astronaut Training" color="#6EB76D" fillcolor="#E9F7E8" shape=preparation style=filled]
+	N2 [label="Autonomous Rendezvous and Docking" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N3 [label="International Collaboration" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N4 [label="Telemetry Monitoring" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N5 [label="Mission Design" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N6 [label="Launch Vehicle Integration" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+	N7 [label="Space Station Operations" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=solid label="receives" dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=solid label="orbits" dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N6 [color="#F7BEE0" penwidth=1.5 style=dashed label="repairs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_116.txt b/test/diagrams/graph_easy/diagrams_116.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f3f57dc33ded0bbaf67b98488fe4ba0715abda8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_116.txt
@@ -0,0 +1,9 @@
+<Astronaut Training, connectedTo, Autonomous Rendezvous and Docking>
+<Autonomous Rendezvous and Docking, connectedTo, International Collaboration>
+<Autonomous Rendezvous and Docking, repairs, Launch Vehicle Integration>
+<In_Situ Resource Utilization, receives, Astronaut Training>
+<International Collaboration, orbits, Telemetry Monitoring>
+<Launch Vehicle Integration, connectedTo, Space Station Operations>
+<Mission Design, connectedTo, Space Station Operations>
+<Mission Design, innovates, Launch Vehicle Integration>
+<Telemetry Monitoring, connectedTo, Mission Design>
diff --git a/test/diagrams/graph_easy/diagrams_117.dot b/test/diagrams/graph_easy/diagrams_117.dot
new file mode 100644
index 0000000000000000000000000000000000000000..61d35b7a34a31648f869eb343d74082459231794
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_117.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Commercial Space Flight Regulation" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N1 [label="Extravehicular Activity Planning" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N2 [label="Lunar Exploration" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N3 [label="Launch Operations" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N4 [label="Mission Design" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N5 [label="Astrophysics Research" color="#7E57C2" fillcolor="#EDE7F6" shape=document style=filled]
+	N6 [label="Robotics for Space Exploration" color="#FF9800" fillcolor="#FFE0B2" shape=inputoutput style=filled]
+	N7 [label="Astronaut Training" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A1887F" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=dashed label="collaborates" dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N7 [color="#A1887F" penwidth=1.5 style=solid label="protects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_117.txt b/test/diagrams/graph_easy/diagrams_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e46c32b67fbf5198a48566db10052e41c5195e6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_117.txt
@@ -0,0 +1,8 @@
+<Astrophysics Research, connectedTo, Robotics for Space Exploration>
+<Commercial Space Flight Regulation, connectedTo, Extravehicular Activity Planning>
+<Extravehicular Activity Planning, regulates, Lunar Exploration>
+<Launch Operations, collaborates, Mission Design>
+<Launch Operations, protects, Astronaut Training>
+<Lunar Exploration, connectedTo, Launch Operations>
+<Mission Design, connectedTo, Astrophysics Research>
+<Robotics for Space Exploration, connectedTo, Astronaut Training>
diff --git a/test/diagrams/graph_easy/diagrams_118.dot b/test/diagrams/graph_easy/diagrams_118.dot
new file mode 100644
index 0000000000000000000000000000000000000000..295c16515a68b7654b4eac029a50cc477374d06c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_118.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Cloud Formation Research" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N1 [label="Greenhouse Gas Measurement" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N2 [label="Drought Monitoring and Forecasting" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N3 [label="Solar Radiation Management Research" color="#BCB88A" fillcolor="#F5F5DC" shape=rectangle style=filled]
+	N4 [label="Climate Education Programs" color="#5C6BC0" fillcolor="#E8EAF6" shape=rect style=filled]
+	N5 [label="Remote Sensing for Climate" color="#FFDA4E" fillcolor="#FFE88D" shape=rect style=filled]
+	N6 [label="Mitigation Technology Evaluation" color="#FFDA4E" fillcolor="#FFE88D" shape=rect style=filled]
+	N7 [label="Climate Change Vulnerability Assessment" color="#5C6BC0" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N8 [label="Renewable Energy Potential Assessment" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N9 [label="Aerosol Impact Assessment" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+	N0 -> N1 [color="#BCB88A" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=solid label="reports" dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#BCB88A" penwidth=1.5 style=dashed label="collects" dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N6 -> N9 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N8 [color="#000000" penwidth=1.5 style=solid label="attributes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_118.txt b/test/diagrams/graph_easy/diagrams_118.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f078c626dda39b4e91f48aefee3c03b20c35cd9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_118.txt
@@ -0,0 +1,11 @@
+<Climate Change Vulnerability Assessment, connectedTo, Renewable Energy Potential Assessment>
+<Climate Education Programs, collects, Remote Sensing for Climate>
+<Cloud Formation Research, detects, Greenhouse Gas Measurement>
+<Drought Monitoring and Forecasting, reports, Solar Radiation Management Research>
+<Greenhouse Gas Measurement, connectedTo, Drought Monitoring and Forecasting>
+<Mitigation Technology Evaluation, connectedTo, Aerosol Impact Assessment>
+<Mitigation Technology Evaluation, researches, Climate Change Vulnerability Assessment>
+<Remote Sensing for Climate, connectedTo, Mitigation Technology Evaluation>
+<Renewable Energy Potential Assessment, connectedTo, Aerosol Impact Assessment>
+<Solar Radiation Management Research, attributes, Renewable Energy Potential Assessment>
+<Solar Radiation Management Research, connectedTo, Climate Education Programs>
diff --git a/test/diagrams/graph_easy/diagrams_119.dot b/test/diagrams/graph_easy/diagrams_119.dot
new file mode 100644
index 0000000000000000000000000000000000000000..62a1c27268d274eafcf9083e7fa5c18300ef0b2c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_119.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cloud Formation Research" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N1 [label="Ocean Acidification Studies" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N2 [label="Climate Resilient Agriculture" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N3 [label="Climate Modeling" color="#FFF8A6" fillcolor="#FFFDE0" shape=document style=filled]
+	N4 [label="Green Technology Incubation" color="#F7BEE0" fillcolor="#FAEBF3" shape=preparation style=filled]
+	N5 [label="Remote Sensing for Climate" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N6 [label="Ecosystem Response Modeling" color="#FFF8A6" fillcolor="#FFFDE0" shape=rect style=filled]
+	N7 [label="Sea Level Rise Projection" color="#FFF8A6" fillcolor="#FFFDE0" shape=preparation style=filled]
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="impacts" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="visualizes" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="strategies" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N0 [color="#81C784" penwidth=1.5 style=solid label="risks" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_119.txt b/test/diagrams/graph_easy/diagrams_119.txt
new file mode 100644
index 0000000000000000000000000000000000000000..575013df03327dc30ecf2e90a481801bd854d7dc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_119.txt
@@ -0,0 +1,8 @@
+<Climate Modeling, connectedTo, Green Technology Incubation>
+<Climate Modeling, risks, Cloud Formation Research>
+<Climate Resilient Agriculture, connectedTo, Climate Modeling>
+<Cloud Formation Research, connectedTo, Ocean Acidification Studies>
+<Ecosystem Response Modeling, connectedTo, Sea Level Rise Projection>
+<Green Technology Incubation, visualizes, Remote Sensing for Climate>
+<Ocean Acidification Studies, impacts, Climate Resilient Agriculture>
+<Remote Sensing for Climate, strategies, Ecosystem Response Modeling>
diff --git a/test/diagrams/graph_easy/diagrams_12.dot b/test/diagrams/graph_easy/diagrams_12.dot
new file mode 100644
index 0000000000000000000000000000000000000000..37e5f163d1a02a95c3b95bebf88a355592b18275
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_12.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Library Registration" color="#66BB6A" fillcolor="#E8F5E9" shape=action style=filled]
+	N1 [label="Course Selection" color="#BDBDBD" fillcolor="#F5F5F5" shape=preparation style=filled]
+	N2 [label="Student Feedback Collection" color="#66BB6A" fillcolor="#E8F5E9" shape=predefinedprocess style=filled]
+	N3 [label="Graduation Approval" color="#66BB6A" fillcolor="#E8F5E9" shape=vnode_shape style=filled]
+	N4 [label="Special Education Support" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N5 [label="Advisory Committee Meeting" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N6 [label="Student Application" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N7 [label="Attendance Tracking" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#66BB6A" penwidth=1.5 style=dashed label="applies to" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="enrolls" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N5 -> N6 [color="#C2B2F0" penwidth=1.5 style=solid label="teaches" dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N5 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_12.txt b/test/diagrams/graph_easy/diagrams_12.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dd912a8bc92fed6340521bb527bb9145ca4b8160
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_12.txt
@@ -0,0 +1,8 @@
+<Advisory Committee Meeting, connectedTo, Student Feedback Collection>
+<Advisory Committee Meeting, teaches, Student Application>
+<Course Selection, connectedTo, Student Feedback Collection>
+<Graduation Approval, enrolls, Special Education Support>
+<Library Registration, connectedTo, Course Selection>
+<Special Education Support, tracks, Advisory Committee Meeting>
+<Student Application, develops, Attendance Tracking>
+<Student Feedback Collection, applies to, Graduation Approval>
diff --git a/test/diagrams/graph_easy/diagrams_120.dot b/test/diagrams/graph_easy/diagrams_120.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2fa18eb53a495519ca7fc8786111dbc7d98f2ce
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_120.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Climate Finance Tracking" color="#4DB6AC" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N1 [label="Carbon Cycle Research" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N2 [label="Paleoclimate Reconstruction" color="#B0C5CD" fillcolor="#DFE7EB" shape=document style=filled]
+	N3 [label="Remote Sensing for Climate" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N4 [label="Aerosol Impact Assessment" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N5 [label="Cloud Formation Research" color="#4DB6AC" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N6 [label="Biodiversity Impact Assessment" color="#4DB6AC" fillcolor="#E0F2F1" shape=action style=filled]
+	N7 [label="Climate Resilient Agriculture" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N0 -> N1 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N2 -> N3 [color="#92C79A" penwidth=1.5 style=solid label="reports" dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=solid label="advises" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="calibrates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N2 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_120.txt b/test/diagrams/graph_easy/diagrams_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ecbd7f799c2447c79b675ffd4d1763da34eec70
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_120.txt
@@ -0,0 +1,8 @@
+<Aerosol Impact Assessment, calibrates, Cloud Formation Research>
+<Aerosol Impact Assessment, connectedTo, Paleoclimate Reconstruction>
+<Biodiversity Impact Assessment, connectedTo, Climate Resilient Agriculture>
+<Carbon Cycle Research, forecasts, Paleoclimate Reconstruction>
+<Climate Finance Tracking, connectedTo, Carbon Cycle Research>
+<Cloud Formation Research, connectedTo, Biodiversity Impact Assessment>
+<Paleoclimate Reconstruction, reports, Remote Sensing for Climate>
+<Remote Sensing for Climate, advises, Aerosol Impact Assessment>
diff --git a/test/diagrams/graph_easy/diagrams_121.dot b/test/diagrams/graph_easy/diagrams_121.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ef87783a7ff5693e5351ed099f356fe455014b2a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_121.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Temperature Monitoring" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N1 [label="Mesoscale Meteorology" color="#6EB76D" fillcolor="#E9F7E8" shape=vnode_shape style=filled]
+	N2 [label="Climate Modeling" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N3 [label="Ocean_Atmosphere Interaction Study" color="#6EB76D" fillcolor="#E9F7E8" shape=rectangle style=filled]
+	N4 [label="Severe Weather Warning" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N5 [label="Cloud Observation" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N6 [label="Aviation Weather Briefing" color="#FFD54F" fillcolor="#FFF8E1" shape=database style=filled]
+	N7 [label="Meteorological Instrument Calibration" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N8 [label="Agricultural Weather Advisory" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N9 [label="Drought Monitoring" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N10 [label="Numerical Weather Prediction" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N11 [label="Lightning Detection" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="studies" dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed label="identifies" dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N7 -> N8 [color="#9C27B0" penwidth=1.5 style=dashed label="charts" dir=forward]
+	N8 -> N9 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N4 [color="#9C27B0" penwidth=1.5 style=solid label="detects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_121.txt b/test/diagrams/graph_easy/diagrams_121.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1adfe2a332b4b9cdcd8732ee1de689612f801874
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_121.txt
@@ -0,0 +1,13 @@
+<Agricultural Weather Advisory, connectedTo, Drought Monitoring>
+<Agricultural Weather Advisory, detects, Severe Weather Warning>
+<Aviation Weather Briefing, transmits, Meteorological Instrument Calibration>
+<Climate Modeling, studies, Ocean_Atmosphere Interaction Study>
+<Cloud Observation, identifies, Aviation Weather Briefing>
+<Drought Monitoring, connectedTo, Numerical Weather Prediction>
+<Mesoscale Meteorology, integrates, Climate Modeling>
+<Meteorological Instrument Calibration, charts, Agricultural Weather Advisory>
+<Numerical Weather Prediction, connectedTo, Lightning Detection>
+<Ocean_Atmosphere Interaction Study, monitors, Severe Weather Warning>
+<Severe Weather Warning, connectedTo, Cloud Observation>
+<Severe Weather Warning, connectedTo, Mesoscale Meteorology>
+<Temperature Monitoring, visualizes, Mesoscale Meteorology>
diff --git a/test/diagrams/graph_easy/diagrams_122.dot b/test/diagrams/graph_easy/diagrams_122.dot
new file mode 100644
index 0000000000000000000000000000000000000000..71cdbaa445a537e92f3f565e38d29b68cffb98a1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_122.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Fire Weather Forecasting" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N1 [label="Drought Monitoring" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N2 [label="Arctic Weather Research" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N3 [label="Aviation Weather Briefing" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N4 [label="Atmospheric Sounding" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N5 [label="Severe Weather Warning" color="#A188DB" fillcolor="#DED7F0" shape=vnode_shape style=filled]
+	N6 [label="Wind Speed and Direction" color="#A188DB" fillcolor="#DED7F0" shape=vnode_shape style=filled]
+	N7 [label="Ocean_Atmosphere Interaction Study" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="deploys" dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=solid label="reports" dir=forward]
+	N3 -> N4 [color="#A188DB" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=dashed label="visualizes" dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N7 -> N5 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_122.txt b/test/diagrams/graph_easy/diagrams_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..117057e4907ba7de6bb6f8694286ad33311d228b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_122.txt
@@ -0,0 +1,8 @@
+<Arctic Weather Research, reports, Aviation Weather Briefing>
+<Atmospheric Sounding, visualizes, Severe Weather Warning>
+<Aviation Weather Briefing, measures, Atmospheric Sounding>
+<Drought Monitoring, connectedTo, Arctic Weather Research>
+<Fire Weather Forecasting, deploys, Drought Monitoring>
+<Ocean_Atmosphere Interaction Study, connectedTo, Severe Weather Warning>
+<Severe Weather Warning, connectedTo, Wind Speed and Direction>
+<Wind Speed and Direction, predicts, Ocean_Atmosphere Interaction Study>
diff --git a/test/diagrams/graph_easy/diagrams_123.txt b/test/diagrams/graph_easy/diagrams_123.txt
new file mode 100644
index 0000000000000000000000000000000000000000..08cb774c6b3b416b0079888af0482f66b5cb0b2c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_123.txt
@@ -0,0 +1,10 @@
+<Agricultural Weather Advisory, connectedTo, Precipitation Measurement>
+<Agricultural Weather Advisory, studies, Humidity Sensing>
+<Humidity Sensing, visualizes, Wind Speed and Direction>
+<Lightning Detection, connectedTo, Storm Tracking>
+<Pollution Dispersion Modeling, advises, Agricultural Weather Advisory>
+<Precipitation Measurement, connectedTo, Atmospheric Sounding>
+<Radar Imaging, calibrates, Agricultural Weather Advisory>
+<Radar Imaging, transmits, Lightning Detection>
+<Storm Tracking, generates, Pollution Dispersion Modeling>
+<Wind Speed and Direction, connectedTo, Precipitation Measurement>
diff --git a/test/diagrams/graph_easy/diagrams_124.dot b/test/diagrams/graph_easy/diagrams_124.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1f5d72aaf6f028bf476a0571321afdc1ab0bb02d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_124.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Waste_to_Energy Conversion" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N1 [label="Waste Management Policy Development" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N2 [label="Illegal Dumping Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N3 [label="Extended Producer Responsibility" color="#90A4AE" fillcolor="#ECEFF1" shape=preparation style=filled]
+	N4 [label="Paper Recycling" color="#A1D7CD" fillcolor="#EDF5F3" shape=database style=filled]
+	N5 [label="Industrial Waste Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N6 [label="Waste Audit" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N7 [label="Waste Compaction" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N8 [label="Anaerobic Digestion" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N9 [label="Waste Collection" color="#A1D7CD" fillcolor="#EDF5F3" shape=predefinedprocess style=filled]
+	N10 [label="Public Education on Waste" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N11 [label="Hazardous Waste Disposal" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N0 -> N1 [color="#A1D7CD" penwidth=1.5 style=dashed label="reduces" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="reports" dir=forward]
+	N2 -> N3 [color="#A1D7CD" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N3 -> N4 [color="#90A4AE" penwidth=1.5 style=solid label="enforces" dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid label="converts" dir=forward]
+	N6 -> N7 [color="#A1D7CD" penwidth=1.5 style=dashed label="disposes" dir=forward]
+	N7 -> N8 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#90A4AE" penwidth=1.5 style=dashed label="composts" dir=forward]
+	N2 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_125.dot b/test/diagrams/graph_easy/diagrams_125.dot
new file mode 100644
index 0000000000000000000000000000000000000000..559b2971366cd195030867a033a4eb095ed8110f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_125.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Composting" color="#A188DB" fillcolor="#DED7F0" shape=preparation style=filled]
+	N1 [label="Plastic Recycling Technologies" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N2 [label="Waste Reduction Planning" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N3 [label="Landfill Gas Collection" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N4 [label="Organics Collection" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N5 [label="Waste Sorting" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N6 [label="Public Education on Waste" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N7 [label="Illegal Dumping Monitoring" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N8 [label="Waste Incineration" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N9 [label="Construction and Demolition Waste Management" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N10 [label="Waste Collection" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=dashed label="permits" dir=forward]
+	N5 -> N6 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="operates" dir=forward]
+	N7 -> N8 [color="#A188DB" penwidth=1.5 style=dashed label="grades" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N0 -> N7 [color="#A188DB" penwidth=1.5 style=solid label="collects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_125.txt b/test/diagrams/graph_easy/diagrams_125.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4506972a156817e033c63a254f9784939b3e0cdf
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_125.txt
@@ -0,0 +1,11 @@
+<Composting, collects, Illegal Dumping Monitoring>
+<Composting, connectedTo, Plastic Recycling Technologies>
+<Construction and Demolition Waste Management, connectedTo, Waste Collection>
+<Illegal Dumping Monitoring, grades, Waste Incineration>
+<Landfill Gas Collection, connectedTo, Organics Collection>
+<Organics Collection, permits, Waste Sorting>
+<Plastic Recycling Technologies, connectedTo, Waste Reduction Planning>
+<Public Education on Waste, operates, Illegal Dumping Monitoring>
+<Waste Incineration, connectedTo, Construction and Demolition Waste Management>
+<Waste Reduction Planning, connectedTo, Landfill Gas Collection>
+<Waste Sorting, connectedTo, Public Education on Waste>
diff --git a/test/diagrams/graph_easy/diagrams_126.dot b/test/diagrams/graph_easy/diagrams_126.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b14d17a51b2dccd82f56288c9c3fdb99f480d499
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_126.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Zero Waste Initiatives" color="#00BCD4" fillcolor="#E0F7FA" shape=preparation style=filled]
+	N1 [label="Textile Recycling" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N2 [label="Paper Recycling" color="#CD8FF2" fillcolor="#ECCFF5" shape=rect style=filled]
+	N3 [label="Circular Economy Initiatives" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N4 [label="Leachate Treatment" color="#00BCD4" fillcolor="#E0F7FA" shape=database style=filled]
+	N5 [label="Biomedical Waste Handling" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N6 [label="Landfill Gas Collection" color="#66BB6A" fillcolor="#E8F5E9" shape=document style=filled]
+	N7 [label="Container Management" color="#00BCD4" fillcolor="#E0F7FA" shape=document style=filled]
+	N8 [label="Waste Reduction Planning" color="#00BCD4" fillcolor="#E0F7FA" shape=database style=filled]
+	N9 [label="Smart Waste Bins" color="#66BB6A" fillcolor="#E8F5E9" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="incinerates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="reports" dir=forward]
+	N2 -> N3 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=solid label="compacts" dir=forward]
+	N7 -> N8 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N9 [color="#CD8FF2" penwidth=1.5 style=dashed label="compresses" dir=forward]
+	N5 -> N8 [color="#66BB6A" penwidth=1.5 style=solid label="processes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_126.txt b/test/diagrams/graph_easy/diagrams_126.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df4fa19ba1ec3e33991ed3e23e8a11bd6ecd5072
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_126.txt
@@ -0,0 +1,11 @@
+<Biomedical Waste Handling, inspects, Landfill Gas Collection>
+<Biomedical Waste Handling, processes, Waste Reduction Planning>
+<Circular Economy Initiatives, connectedTo, Leachate Treatment>
+<Container Management, compresses, Smart Waste Bins>
+<Container Management, connectedTo, Waste Reduction Planning>
+<Landfill Gas Collection, compacts, Container Management>
+<Leachate Treatment, connectedTo, Biomedical Waste Handling>
+<Paper Recycling, connectedTo, Circular Economy Initiatives>
+<Textile Recycling, reports, Paper Recycling>
+<Waste Reduction Planning, connectedTo, Smart Waste Bins>
+<Zero Waste Initiatives, incinerates, Textile Recycling>
diff --git a/test/diagrams/graph_easy/diagrams_127.dot b/test/diagrams/graph_easy/diagrams_127.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ff283f631a88866a24d28797775a233b38c28022
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_127.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Environmental Flow Assessment" color="#A188DB" fillcolor="#DED7F0" shape=action style=filled]
+	N1 [label="Water Treatment" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N2 [label="Water Quality Monitoring" color="#F44336" fillcolor="#FFCDD2" shape=multipledocuments style=filled]
+	N3 [label="Aquifer Recharge" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+	N4 [label="Industrial Water Use Optimization" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	N5 [label="Drought Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=document style=filled]
+	N6 [label="Water Loss Detection" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N7 [label="Hydroelectric Power Generation" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N8 [label="Water Source Identification" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N9 [label="Groundwater Management" color="#A188DB" fillcolor="#DED7F0" shape=action style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N1 -> N2 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="permits" dir=forward]
+	N4 -> N5 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#F44336" penwidth=1.5 style=solid label="mitigates" dir=forward]
+	N7 -> N6 [color="#CFCFCF" penwidth=1.5 style=dashed label="conserves" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_127.txt b/test/diagrams/graph_easy/diagrams_127.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1d729ebee53c9837aef1263273430ab3570c0d75
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_127.txt
@@ -0,0 +1,10 @@
+<Aquifer Recharge, permits, Industrial Water Use Optimization>
+<Drought Management, connectedTo, Water Loss Detection>
+<Environmental Flow Assessment, detects, Water Treatment>
+<Hydroelectric Power Generation, connectedTo, Water Source Identification>
+<Hydroelectric Power Generation, conserves, Water Loss Detection>
+<Industrial Water Use Optimization, connectedTo, Drought Management>
+<Water Loss Detection, connectedTo, Hydroelectric Power Generation>
+<Water Quality Monitoring, connectedTo, Aquifer Recharge>
+<Water Source Identification, mitigates, Groundwater Management>
+<Water Treatment, connectedTo, Water Quality Monitoring>
diff --git a/test/diagrams/graph_easy/diagrams_128.dot b/test/diagrams/graph_easy/diagrams_128.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bb3428d873ac59e82e71e3c45855cf33e662466c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_128.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Wastewater Treatment" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N1 [label="Water Resource Planning" color="#4285F4" fillcolor="#D0E0F8" shape=predefinedprocess style=filled]
+	N2 [label="Aquifer Recharge" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N3 [label="Reservoir Operation" color="#80DDEA" fillcolor="#D3F7F9" shape=action style=filled]
+	N4 [label="Pollution Source Identification" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N5 [label="Irrigation Management" color="#80DDEA" fillcolor="#D3F7F9" shape=document style=filled]
+	N6 [label="Water Source Identification" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N7 [label="Water Treatment" color="#80DDEA" fillcolor="#D3F7F9" shape=database style=filled]
+	N0 -> N1 [color="#80DDEA" penwidth=1.5 style=dashed label="conserves" dir=forward]
+	N1 -> N2 [color="#4285F4" penwidth=1.5 style=dashed label="constructs" dir=forward]
+	N2 -> N3 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="warns" dir=forward]
+	N6 -> N7 [color="#80DDEA" penwidth=1.5 style=solid label="models" dir=forward]
+	N1 -> N7 [color="#4285F4" penwidth=1.5 style=solid label="treats" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_128.txt b/test/diagrams/graph_easy/diagrams_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a9eb73082092b4ca1c70b303c693f689b60c684
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_128.txt
@@ -0,0 +1,8 @@
+<Aquifer Recharge, connectedTo, Reservoir Operation>
+<Irrigation Management, warns, Water Source Identification>
+<Pollution Source Identification, connectedTo, Irrigation Management>
+<Reservoir Operation, connectedTo, Pollution Source Identification>
+<Wastewater Treatment, conserves, Water Resource Planning>
+<Water Resource Planning, constructs, Aquifer Recharge>
+<Water Resource Planning, treats, Water Treatment>
+<Water Source Identification, models, Water Treatment>
diff --git a/test/diagrams/graph_easy/diagrams_129.dot b/test/diagrams/graph_easy/diagrams_129.dot
new file mode 100644
index 0000000000000000000000000000000000000000..021ca9c09c138afbf2d051edbfd849b283f08697
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_129.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Industrial Water Use Optimization" color="#4285F4" fillcolor="#D0E0F8" shape=vnode_shape style=filled]
+	N1 [label="Hydrological Modeling" color="#FFEB3B" fillcolor="#FFF9C4" shape=preparation style=filled]
+	N2 [label="Water Rights Management" color="#4285F4" fillcolor="#D0E0F8" shape=document style=filled]
+	N3 [label="Irrigation Management" color="#388E3C" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N4 [label="Water Meter Reading" color="#4285F4" fillcolor="#D0E0F8" shape=database style=filled]
+	N5 [label="Water Quality Monitoring" color="#388E3C" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N6 [label="Water Treatment" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N7 [label="Agricultural Water Use Efficiency" color="#388E3C" fillcolor="#C8E6C9" shape=database style=filled]
+	N8 [label="Water Loss Detection" color="#388E3C" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N9 [label="Climate Change Adaptation for Water" color="#4285F4" fillcolor="#D0E0F8" shape=vnode_shape style=filled]
+	N10 [label="Greywater Recycling" color="#4285F4" fillcolor="#D0E0F8" shape=preparation style=filled]
+	N11 [label="Hydroelectric Power Generation" color="#388E3C" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#4285F4" penwidth=1.5 style=solid label="purifies" dir=forward]
+	N1 -> N2 [color="#4285F4" penwidth=1.5 style=solid label="collects" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N3 -> N4 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFEB3B" penwidth=1.5 style=solid label="secures" dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N8 -> N9 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#4285F4" penwidth=1.5 style=solid label="evaluates" dir=forward]
+	N10 -> N11 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_129.txt b/test/diagrams/graph_easy/diagrams_129.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b91b1dea87649d64bd7892474afdf0ba16d1c8c4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_129.txt
@@ -0,0 +1,12 @@
+<Agricultural Water Use Efficiency, filters, Water Loss Detection>
+<Climate Change Adaptation for Water, evaluates, Greywater Recycling>
+<Greywater Recycling, connectedTo, Hydroelectric Power Generation>
+<Hydrological Modeling, collects, Water Rights Management>
+<Industrial Water Use Optimization, monitors, Water Treatment>
+<Industrial Water Use Optimization, purifies, Hydrological Modeling>
+<Irrigation Management, connectedTo, Water Meter Reading>
+<Water Loss Detection, connectedTo, Climate Change Adaptation for Water>
+<Water Meter Reading, connectedTo, Water Quality Monitoring>
+<Water Quality Monitoring, connectedTo, Water Treatment>
+<Water Rights Management, licenses, Irrigation Management>
+<Water Treatment, secures, Agricultural Water Use Efficiency>
diff --git a/test/diagrams/graph_easy/diagrams_13.dot b/test/diagrams/graph_easy/diagrams_13.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f45fd431d1f600623b26d5f8c95412aa0070dc11
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_13.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Payment" color="#A188DB" fillcolor="#DED7F0" shape=rect style=filled]
+	N1 [label="Product Listing" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N2 [label="Mobile App Interaction" color="#A188DB" fillcolor="#DED7F0" shape=predefinedprocess style=filled]
+	N3 [label="Up_selling Offer" color="#FFC2C2" fillcolor="#FFEBEB" shape=preparation style=filled]
+	N4 [label="User Account Management" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	N5 [label="Live Chat Support" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N6 [label="Social Media Integration" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N7 [label="Add to Cart" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N0 -> N1 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="inventories" dir=forward]
+	N4 -> N5 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A188DB" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N6 -> N7 [color="#A188DB" penwidth=1.5 style=solid label="delivers" dir=forward]
+	N7 -> N1 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N5 -> N1 [color="#A188DB" penwidth=1.5 style=dashed label="lists" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_130.txt b/test/diagrams/graph_easy/diagrams_130.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f55e7b642290ac314a77ffabcaae2c9f169d9fee
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_130.txt
@@ -0,0 +1,9 @@
+<Electronic Waste Recycling, shreds, Mechanical Recycling>
+<End_of_Life Product Management, measures, Textile Recycling>
+<Energy Recovery from Non_Recyclables, connectedTo, Product Design for Recyclability>
+<Mechanical Recycling, reuses, Sorting and Segregation>
+<Product Design for Recyclability, optimizes, End_of_Life Product Management>
+<Public Recycling Programs, connectedTo, Electronic Waste Recycling>
+<Sorting and Segregation, connectedTo, Electronic Waste Recycling>
+<Sorting and Segregation, connectedTo, Energy Recovery from Non_Recyclables>
+<Sorting and Segregation, treats, Mechanical Recycling>
diff --git a/test/diagrams/graph_easy/diagrams_131.dot b/test/diagrams/graph_easy/diagrams_131.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f9d74b0584eb69df062ae25ddf7fe95841d4b259
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_131.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Plastic Recycling" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N1 [label="Collection Point Management" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N2 [label="Material Collection" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N3 [label="Reprocessing into Raw Material" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N4 [label="Tyre Recycling" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N5 [label="Advanced Sorting Technologies" color="#90A4AE" fillcolor="#ECEFF1" shape=multipledocuments style=filled]
+	N6 [label="Industrial Recycling Programs" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N7 [label="Energy Recovery from Non_Recyclables" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N8 [label="End_of_Life Product Management" color="#64B5F6" fillcolor="#E3F2FD" shape=multipledocuments style=filled]
+	N9 [label="Closed_Loop Material Flow" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N10 [label="Recycling Facility Optimization" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N11 [label="Composting Organic Waste" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N0 -> N1 [color="#90A4AE" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N1 -> N2 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#3F51B5" penwidth=1.5 style=solid label="educates" dir=forward]
+	N3 -> N4 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#64B5F6" penwidth=1.5 style=solid label="reports" dir=forward]
+	N9 -> N10 [color="#64B5F6" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N8 [color="#3F51B5" penwidth=1.5 style=dashed label="converts" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_131.txt b/test/diagrams/graph_easy/diagrams_131.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7ece775a945fdf15e54d3074fd03bc019167510a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_131.txt
@@ -0,0 +1,12 @@
+<Advanced Sorting Technologies, connectedTo, Industrial Recycling Programs>
+<Closed_Loop Material Flow, audits, Recycling Facility Optimization>
+<Collection Point Management, connectedTo, Material Collection>
+<End_of_Life Product Management, reports, Closed_Loop Material Flow>
+<Energy Recovery from Non_Recyclables, connectedTo, End_of_Life Product Management>
+<Industrial Recycling Programs, connectedTo, Energy Recovery from Non_Recyclables>
+<Material Collection, converts, End_of_Life Product Management>
+<Material Collection, educates, Reprocessing into Raw Material>
+<Plastic Recycling, transports, Collection Point Management>
+<Recycling Facility Optimization, connectedTo, Composting Organic Waste>
+<Reprocessing into Raw Material, connectedTo, Tyre Recycling>
+<Tyre Recycling, connectedTo, Advanced Sorting Technologies>
diff --git a/test/diagrams/graph_easy/diagrams_132.dot b/test/diagrams/graph_easy/diagrams_132.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f8c90f30f9a95da3c4f480f8f3f39b25261eae51
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_132.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Reprocessing into Raw Material" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	N1 [label="Textile Recycling" color="#FFEB3B" fillcolor="#FFF9C4" shape=inputoutput style=filled]
+	N2 [label="Composting Organic Waste" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N3 [label="Contamination Reduction" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+	N4 [label="Metal Recycling" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N5 [label="Tyre Recycling" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N6 [label="Commercial Recycling Solutions" color="#FFEB3B" fillcolor="#FFF9C4" shape=multipledocuments style=filled]
+	N7 [label="Material Collection" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="grades" dir=forward]
+	N1 -> N2 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N4 -> N5 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="sorts" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N4 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_133.dot b/test/diagrams/graph_easy/diagrams_133.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2115197da26845b003ee3d1a4b3a5e261426c03f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_133.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Urban Forestry Management" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N1 [label="Forestry Education" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N2 [label="Forest Land Use Planning" color="#FFDA4E" fillcolor="#FFE88D" shape=diamond style=filled]
+	N3 [label="Biodiversity Conservation in Forests" color="#90A4AE" fillcolor="#ECEFF1" shape=rect style=filled]
+	N4 [label="Tree Planting" color="#E57373" fillcolor="#FFEBEE" shape=multipledocuments style=filled]
+	N5 [label="Indigenous Forestry Practices" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N6 [label="Pest and Disease Control" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N7 [label="Recreation Management" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N8 [label="Illegal Logging Prevention" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N0 -> N1 [color="#90A4AE" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#E57373" penwidth=1.5 style=dashed label="restores" dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid label="develops" dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=solid label="researches" dir=forward]
+	N6 -> N8 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_133.txt b/test/diagrams/graph_easy/diagrams_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4163c0d6c177df77af23f64457a325bc41c1265f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_133.txt
@@ -0,0 +1,9 @@
+<Biodiversity Conservation in Forests, connectedTo, Tree Planting>
+<Forest Land Use Planning, restores, Biodiversity Conservation in Forests>
+<Forestry Education, connectedTo, Forest Land Use Planning>
+<Indigenous Forestry Practices, connectedTo, Pest and Disease Control>
+<Pest and Disease Control, connectedTo, Illegal Logging Prevention>
+<Pest and Disease Control, develops, Recreation Management>
+<Recreation Management, researches, Illegal Logging Prevention>
+<Tree Planting, connectedTo, Indigenous Forestry Practices>
+<Urban Forestry Management, monitors, Forestry Education>
diff --git a/test/diagrams/graph_easy/diagrams_134.dot b/test/diagrams/graph_easy/diagrams_134.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d0d377086eb88d6626e2cdcd237f6727eec83567
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_134.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Forest Road Construction" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+	N1 [label="Afforestation" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N2 [label="Wood Product Manufacturing" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N3 [label="Urban Forestry Management" color="#E57373" fillcolor="#FFEBEE" shape=multipledocuments style=filled]
+	N4 [label="Forestry Education" color="#E57373" fillcolor="#FFEBEE" shape=inputoutput style=filled]
+	N5 [label="Silviculture" color="#C2B2F0" fillcolor="#EFE6FF" shape=multipledocuments style=filled]
+	N6 [label="Recreation Management" color="#E57373" fillcolor="#FFEBEE" shape=inputoutput style=filled]
+	N7 [label="Forestry Policy Development" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N8 [label="Biomass Production from Forests" color="#7986CB" fillcolor="#E8EAF6" shape=database style=filled]
+	N9 [label="Sustainable Forest Management" color="#E57373" fillcolor="#FFEBEE" shape=rect style=filled]
+	N10 [label="Forest Inventory" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N11 [label="Watershed Protection" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N0 -> N1 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="measures" dir=forward]
+	N3 -> N4 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=dashed label="maps" dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=solid label="conserves" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N8 -> N9 [color="#C2B2F0" penwidth=1.5 style=solid label="protects" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N1 -> N8 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_134.txt b/test/diagrams/graph_easy/diagrams_134.txt
new file mode 100644
index 0000000000000000000000000000000000000000..baeabd310b1431aafac9f4a50bfeea75a707b869
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_134.txt
@@ -0,0 +1,12 @@
+<Afforestation, connectedTo, Biomass Production from Forests>
+<Afforestation, connectedTo, Wood Product Manufacturing>
+<Biomass Production from Forests, protects, Sustainable Forest Management>
+<Forest Inventory, maintains, Watershed Protection>
+<Forest Road Construction, connectedTo, Afforestation>
+<Forestry Education, maps, Silviculture>
+<Forestry Policy Development, analyzes, Biomass Production from Forests>
+<Recreation Management, connectedTo, Forestry Policy Development>
+<Silviculture, conserves, Recreation Management>
+<Sustainable Forest Management, connectedTo, Forest Inventory>
+<Urban Forestry Management, connectedTo, Forestry Education>
+<Wood Product Manufacturing, measures, Urban Forestry Management>
diff --git a/test/diagrams/graph_easy/diagrams_135.dot b/test/diagrams/graph_easy/diagrams_135.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e6732e7fe41093274aba8cbea1f8a677cea279cc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_135.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Forestry Education" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N1 [label="Drone Surveying for Forests" color="#9FA9E1" fillcolor="#D6D9F0" shape=rect style=filled]
+	N2 [label="Non_Timber Forest Product Collection" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N3 [label="Urban Forestry Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=database style=filled]
+	N4 [label="Forestry Policy Development" color="#FFF8A6" fillcolor="#FFFDE0" shape=database style=filled]
+	N5 [label="Timber Harvesting" color="#FFF8A6" fillcolor="#FFFDE0" shape=vnode_shape style=filled]
+	N6 [label="Wood Product Manufacturing" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N7 [label="Forest Inventory" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="cultivates" dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#9FA9E1" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="protects" dir=forward]
+	N5 -> N6 [color="#E0E0E0" penwidth=1.5 style=solid label="plans" dir=forward]
+	N6 -> N7 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N4 -> N2 [color="#FFF8A6" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N2 -> N5 [color="#9FA9E1" penwidth=1.5 style=solid label="enforces" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_135.txt b/test/diagrams/graph_easy/diagrams_135.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b4cfb1b5651f784159bbdd68895bef41798ad45b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_135.txt
@@ -0,0 +1,9 @@
+<Drone Surveying for Forests, connectedTo, Non_Timber Forest Product Collection>
+<Forestry Education, cultivates, Drone Surveying for Forests>
+<Forestry Policy Development, audits, Non_Timber Forest Product Collection>
+<Forestry Policy Development, protects, Timber Harvesting>
+<Non_Timber Forest Product Collection, connectedTo, Urban Forestry Management>
+<Non_Timber Forest Product Collection, enforces, Timber Harvesting>
+<Timber Harvesting, plans, Wood Product Manufacturing>
+<Urban Forestry Management, controls, Forestry Policy Development>
+<Wood Product Manufacturing, connectedTo, Forest Inventory>
diff --git a/test/diagrams/graph_easy/diagrams_136.dot b/test/diagrams/graph_easy/diagrams_136.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a45bbf3d1ff107aaf6d4edd7cbd40866bcdd1a4f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_136.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Hospice Care for Animals" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N1 [label="Wildlife Rehabilitation" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N2 [label="Toxicology Testing" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N3 [label="Microchipping" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N4 [label="Euthanasia Services" color="#FFB2A5" fillcolor="#FFDCD6" shape=diamond style=filled]
+	N5 [label="Diagnosis" color="#FFEB3B" fillcolor="#FFF9C4" shape=rect style=filled]
+	N6 [label="Animal Welfare Assessment" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N7 [label="Surgery" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+	N8 [label="Vaccination" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N9 [label="Nutritional Counseling" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	N10 [label="Reproductive Services" color="#FFB2A5" fillcolor="#FFDCD6" shape=predefinedprocess style=filled]
+	N11 [label="Sterilization Protocols" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N0 -> N1 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFEB3B" penwidth=1.5 style=dashed label="admits" dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=solid label="operates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="reproduces" dir=forward]
+	N5 -> N6 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFEB3B" penwidth=1.5 style=solid label="sedates" dir=forward]
+	N7 -> N8 [color="#FFEB3B" penwidth=1.5 style=solid label="documents" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="orders" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N9 [color="#000000" penwidth=1.5 style=solid label="examines" dir=forward]
+	N2 -> N0 [color="#80DDEA" penwidth=1.5 style=solid label="anesthetizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_136.txt b/test/diagrams/graph_easy/diagrams_136.txt
new file mode 100644
index 0000000000000000000000000000000000000000..018e7f3b3248b270e954087000f5db45e471e8d5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_136.txt
@@ -0,0 +1,13 @@
+<Animal Welfare Assessment, sedates, Surgery>
+<Diagnosis, connectedTo, Animal Welfare Assessment>
+<Euthanasia Services, reproduces, Diagnosis>
+<Hospice Care for Animals, connectedTo, Wildlife Rehabilitation>
+<Microchipping, operates, Euthanasia Services>
+<Nutritional Counseling, orders, Reproductive Services>
+<Reproductive Services, connectedTo, Sterilization Protocols>
+<Reproductive Services, examines, Nutritional Counseling>
+<Surgery, documents, Vaccination>
+<Toxicology Testing, admits, Microchipping>
+<Toxicology Testing, anesthetizes, Hospice Care for Animals>
+<Vaccination, educates, Nutritional Counseling>
+<Wildlife Rehabilitation, connectedTo, Toxicology Testing>
diff --git a/test/diagrams/graph_easy/diagrams_137.dot b/test/diagrams/graph_easy/diagrams_137.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f346e757bcb80118bff2fb40f76c99171c38c964
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_137.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Allergy Testing" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N1 [label="Diagnosis" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N2 [label="Livestock Disease Prevention" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N3 [label="Spay or Neuter Procedure" color="#00BCD4" fillcolor="#E0F7FA" shape=rect style=filled]
+	N4 [label="Imaging Services" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N5 [label="Veterinary Pathology" color="#00BCD4" fillcolor="#E0F7FA" shape=multipledocuments style=filled]
+	N6 [label="Animal Sheltering Consultation" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N7 [label="Anesthesia Administration" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N8 [label="Euthanasia Services" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N9 [label="Surgery" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N10 [label="Behavioral Counseling" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="consults" dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=dashed label="documents" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N8 -> N9 [color="#FFE470" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N9 -> N10 [color="#00BCD4" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N1 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N7 [color="#00BCD4" penwidth=1.5 style=solid label="anesthetizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_137.txt b/test/diagrams/graph_easy/diagrams_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da9fb5766fc6fcf71599ad12725a00e675240887
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_137.txt
@@ -0,0 +1,12 @@
+<Allergy Testing, anesthetizes, Anesthesia Administration>
+<Allergy Testing, consults, Diagnosis>
+<Anesthesia Administration, educates, Euthanasia Services>
+<Animal Sheltering Consultation, connectedTo, Anesthesia Administration>
+<Diagnosis, connectedTo, Imaging Services>
+<Diagnosis, connectedTo, Livestock Disease Prevention>
+<Euthanasia Services, analyzes, Surgery>
+<Imaging Services, documents, Veterinary Pathology>
+<Livestock Disease Prevention, connectedTo, Spay or Neuter Procedure>
+<Spay or Neuter Procedure, regulates, Imaging Services>
+<Surgery, cleans, Behavioral Counseling>
+<Veterinary Pathology, connectedTo, Animal Sheltering Consultation>
diff --git a/test/diagrams/graph_easy/diagrams_138.dot b/test/diagrams/graph_easy/diagrams_138.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e1d1bfcfcd913172cddb203bc65b1e042705aa5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_138.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Herd Health Programs" color="#AED581" fillcolor="#F0F4C3" shape=action style=filled]
+	N1 [label="Pharmacy Management" color="#AED581" fillcolor="#F0F4C3" shape=database style=filled]
+	N2 [label="Toxicology Testing" color="#FF8A65" fillcolor="#FBE9E7" shape=inputoutput style=filled]
+	N3 [label="Microchipping" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N4 [label="Wildlife Rehabilitation" color="#AED581" fillcolor="#F0F4C3" shape=database style=filled]
+	N5 [label="Imaging Services" color="#AED581" fillcolor="#F0F4C3" shape=predefinedprocess style=filled]
+	N6 [label="Reproductive Services" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N7 [label="Diagnosis" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N0 -> N1 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="dresses" dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=solid label="medicates" dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=solid label="advises" dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N6 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N6 [color="#000000" penwidth=1.5 style=solid label="reproduces" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_138.txt b/test/diagrams/graph_easy/diagrams_138.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5e27195219958a277542189047f0df3ed014da01
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_138.txt
@@ -0,0 +1,9 @@
+<Herd Health Programs, connectedTo, Pharmacy Management>
+<Imaging Services, connectedTo, Reproductive Services>
+<Microchipping, advises, Wildlife Rehabilitation>
+<Pharmacy Management, dresses, Toxicology Testing>
+<Pharmacy Management, reproduces, Reproductive Services>
+<Reproductive Services, connectedTo, Diagnosis>
+<Toxicology Testing, medicates, Microchipping>
+<Wildlife Rehabilitation, connectedTo, Imaging Services>
+<Wildlife Rehabilitation, connectedTo, Reproductive Services>
diff --git a/test/diagrams/graph_easy/diagrams_139.dot b/test/diagrams/graph_easy/diagrams_139.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2470ab5d13a4047760ebb28d07db60e9756a15c0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_139.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Motor Skill Development" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N1 [label="Child Protection Policies" color="#607D8B" fillcolor="#CFD8DC" shape=rect style=filled]
+	N2 [label="Safety Supervision" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N3 [label="Creative Arts Activities" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N4 [label="Potty Training Assistance" color="#607D8B" fillcolor="#CFD8DC" shape=action style=filled]
+	N5 [label="Behavior Management" color="#607D8B" fillcolor="#CFD8DC" shape=multipledocuments style=filled]
+	N6 [label="Playground Safety Inspection" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N7 [label="Music and Movement Activities" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFCC80" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="prepares" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N0 -> N5 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_139.txt b/test/diagrams/graph_easy/diagrams_139.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e24927e6beaa43d0c5dc3e4d2b03d68e4e51d05
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_139.txt
@@ -0,0 +1,8 @@
+<Behavior Management, prepares, Playground Safety Inspection>
+<Child Protection Policies, connectedTo, Safety Supervision>
+<Creative Arts Activities, connectedTo, Potty Training Assistance>
+<Motor Skill Development, connectedTo, Behavior Management>
+<Motor Skill Development, monitors, Child Protection Policies>
+<Playground Safety Inspection, supports, Music and Movement Activities>
+<Potty Training Assistance, connectedTo, Behavior Management>
+<Safety Supervision, educates, Creative Arts Activities>
diff --git a/test/diagrams/graph_easy/diagrams_14.dot b/test/diagrams/graph_easy/diagrams_14.dot
new file mode 100644
index 0000000000000000000000000000000000000000..55e570274c4b876bcf79736eacd1af8494873ab5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_14.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Affiliate Marketing" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N1 [label="Fraud Detection" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N2 [label="Product Recommendation" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N3 [label="Loyalty Points" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N4 [label="Subscription Service" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N5 [label="Inventory Update" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N6 [label="Customer Inquiry" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N7 [label="Customer Segmentation" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N8 [label="Warehouse Management" color="#61CAC3" fillcolor="#C2E8E6" shape=action style=filled]
+	N9 [label="Product Listing" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N10 [label="A or B Testing" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	N11 [label="Checkout" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="sorts" dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid label="inventories" dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#B0C5CD" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=dashed label="refunds" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="updates" dir=forward]
+	N7 -> N8 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N6 [color="#B0C5CD" penwidth=1.5 style=dashed label="bundles" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_14.txt b/test/diagrams/graph_easy/diagrams_14.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5257751a876f42d478b46329b36dd2018c5eb7b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_14.txt
@@ -0,0 +1,12 @@
+<A or B Testing, connectedTo, Checkout>
+<Affiliate Marketing, connectedTo, Fraud Detection>
+<Customer Inquiry, updates, Customer Segmentation>
+<Customer Segmentation, connectedTo, Warehouse Management>
+<Fraud Detection, bundles, Customer Inquiry>
+<Fraud Detection, sorts, Product Recommendation>
+<Inventory Update, refunds, Customer Inquiry>
+<Loyalty Points, connectedTo, Subscription Service>
+<Product Listing, connectedTo, A or B Testing>
+<Product Recommendation, inventories, Loyalty Points>
+<Subscription Service, monitors, Inventory Update>
+<Warehouse Management, connectedTo, Product Listing>
diff --git a/test/diagrams/graph_easy/diagrams_140.dot b/test/diagrams/graph_easy/diagrams_140.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d0042c1d58afdc76335666e2b83dbd9b59ee49fe
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_140.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Story Time Reading" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N1 [label="Outdoor Play Supervision" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N2 [label="Childcare Facility Licensing" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N3 [label="First Aid Administration" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N4 [label="Nutritional Meal Preparation" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N5 [label="Behavior Management" color="#BA68C8" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N6 [label="Creative Arts Activities" color="#673AB7" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N7 [label="Music and Movement Activities" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N8 [label="Nap Time Supervision" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BA68C8" penwidth=1.5 style=dashed label="accommodates" dir=forward]
+	N2 -> N3 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N5 -> N6 [color="#673AB7" penwidth=1.5 style=dashed label="engages" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="organizes" dir=forward]
+	N2 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N3 -> N5 [color="#7E57C2" penwidth=1.5 style=solid label="administers" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_140.txt b/test/diagrams/graph_easy/diagrams_140.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e7d8d87b18d0ea0e6e62cdcaa52d160635ab8721
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_140.txt
@@ -0,0 +1,10 @@
+<Behavior Management, engages, Creative Arts Activities>
+<Childcare Facility Licensing, connectedTo, First Aid Administration>
+<Childcare Facility Licensing, maintains, Music and Movement Activities>
+<Creative Arts Activities, connectedTo, Music and Movement Activities>
+<First Aid Administration, administers, Behavior Management>
+<First Aid Administration, connectedTo, Nutritional Meal Preparation>
+<Music and Movement Activities, organizes, Nap Time Supervision>
+<Nutritional Meal Preparation, manages, Behavior Management>
+<Outdoor Play Supervision, accommodates, Childcare Facility Licensing>
+<Story Time Reading, connectedTo, Outdoor Play Supervision>
diff --git a/test/diagrams/graph_easy/diagrams_141.dot b/test/diagrams/graph_easy/diagrams_141.dot
new file mode 100644
index 0000000000000000000000000000000000000000..37ccc2994af04354c90bfe9bf0e22a8b8d365c7c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_141.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Behavior Management" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N1 [label="Potty Training Assistance" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
+	N2 [label="Playground Safety Inspection" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N3 [label="Motor Skill Development" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	N4 [label="Emergency Evacuation Drills" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N5 [label="Curriculum Planning" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N6 [label="Toddler Activities" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N7 [label="Outdoor Play Supervision" color="#A188DB" fillcolor="#DED7F0" shape=rect style=filled]
+	N0 -> N1 [color="#FFE470" penwidth=1.5 style=solid label="transports" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BCB88A" penwidth=1.5 style=solid label="observes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N5 -> N6 [color="#A188DB" penwidth=1.5 style=dashed label="engages" dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N4 [color="#000000" penwidth=1.5 style=solid label="manages" dir=forward]
+	N0 -> N4 [color="#000000" penwidth=1.5 style=dashed label="nurtures" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_142.dot b/test/diagrams/graph_easy/diagrams_142.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dde0e38f12273067aaafc6cb09119e9c35107c4f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_142.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Mobility Support" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N1 [label="Home Health Aide Services" color="#388E3C" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N2 [label="Elder Abuse Prevention" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N3 [label="Pain Management" color="#80DDEA" fillcolor="#D3F7F9" shape=rectangle style=filled]
+	N4 [label="Respite Care" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N5 [label="Family Communication" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N6 [label="Dementia Care" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N7 [label="Nutritional Assessment" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N8 [label="Hospice Care Coordination" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N9 [label="Nursing Care" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N0 -> N1 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=solid label="counsels" dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed label="assists" dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=solid label="feeds" dir=forward]
+	N7 -> N8 [color="#80DDEA" penwidth=1.5 style=solid label="supports" dir=forward]
+	N8 -> N9 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N1 [color="#80DDEA" penwidth=1.5 style=solid label="transports" dir=forward]
+	N3 -> N6 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_142.txt b/test/diagrams/graph_easy/diagrams_142.txt
new file mode 100644
index 0000000000000000000000000000000000000000..467a0469521c1cb2c0d31160ea687505ea7a9fe2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_142.txt
@@ -0,0 +1,11 @@
+<Dementia Care, feeds, Nutritional Assessment>
+<Elder Abuse Prevention, assists, Pain Management>
+<Elder Abuse Prevention, transports, Home Health Aide Services>
+<Family Communication, connectedTo, Dementia Care>
+<Home Health Aide Services, counsels, Elder Abuse Prevention>
+<Hospice Care Coordination, connectedTo, Nursing Care>
+<Mobility Support, connectedTo, Home Health Aide Services>
+<Nutritional Assessment, supports, Hospice Care Coordination>
+<Pain Management, connectedTo, Dementia Care>
+<Pain Management, connectedTo, Respite Care>
+<Respite Care, connectedTo, Family Communication>
diff --git a/test/diagrams/graph_easy/diagrams_143.txt b/test/diagrams/graph_easy/diagrams_143.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6bc4155a2d5429127115eb83589721dbba8d0402
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_143.txt
@@ -0,0 +1,12 @@
+<Chronic Disease Management, plans, Respite Care>
+<Community Resource Connection, advises, Emergency Response System Monitoring>
+<Emergency Response System Monitoring, oversees, Meal Preparation>
+<Emotional Support and Counseling, dresses, Family Communication>
+<Emotional Support and Counseling, facilitates, Long_Term Care Planning>
+<Family Communication, communicates, Palliative Care>
+<Long_Term Care Planning, connectedTo, Community Resource Connection>
+<Meal Preparation, connectedTo, Chronic Disease Management>
+<Palliative Care, connectedTo, Nutritional Assessment>
+<Respite Care, connectedTo, Nutritional Assessment>
+<Respite Care, coordinates, Family Communication>
+<Speech Therapy, transports, Emotional Support and Counseling>
diff --git a/test/diagrams/graph_easy/diagrams_144.dot b/test/diagrams/graph_easy/diagrams_144.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e4c3531d5f2d9c43d2b355cbc51977fd99f58217
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_144.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Telehealth for Seniors" color="#03A9F4" fillcolor="#B3E5FC" shape=multipledocuments style=filled]
+	N1 [label="Hospice Care Coordination" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N2 [label="Emergency Response System Monitoring" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N3 [label="Caregiver Training" color="#03A9F4" fillcolor="#B3E5FC" shape=inputoutput style=filled]
+	N4 [label="Memory Care" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N5 [label="Palliative Care" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+	N6 [label="Personal Care Assistance" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N7 [label="Incontinence Care" color="#03A9F4" fillcolor="#B3E5FC" shape=multipledocuments style=filled]
+	N8 [label="Smart Home Integration for Seniors" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N0 -> N1 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N3 -> N4 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#03A9F4" penwidth=1.5 style=solid label="secures" dir=forward]
+	N5 -> N6 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="supervises" dir=forward]
+	N7 -> N8 [color="#673AB7" penwidth=1.5 style=solid label="rehabilitates" dir=forward]
+	N4 -> N3 [color="#000000" penwidth=1.5 style=solid label="counsels" dir=forward]
+	N3 -> N2 [color="#673AB7" penwidth=1.5 style=solid label="dresses" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_145.dot b/test/diagrams/graph_easy/diagrams_145.dot
new file mode 100644
index 0000000000000000000000000000000000000000..982a4a8a98da3e8d895805e84fc2a56e9f577720
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_145.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cash Transfer Programs" color="#FFF8A6" fillcolor="#FFFDE0" shape=database style=filled]
+	N1 [label="Damage Assessment" color="#FFF8A6" fillcolor="#FFFDE0" shape=rectangle style=filled]
+	N2 [label="Capacity Building for Local Communities" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N3 [label="Vulnerability Analysis" color="#6FE1D5" fillcolor="#C9EFEC" shape=rect style=filled]
+	N4 [label="Resilience Building" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+	N5 [label="International Aid Coordination" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N6 [label="Mitigation Strategies" color="#FFF8A6" fillcolor="#FFFDE0" shape=inputoutput style=filled]
+	N7 [label="Search and Rescue Operations" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N0 -> N1 [color="#FFF8A6" penwidth=1.5 style=solid label="donates" dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="mobilizes" dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N5 -> N6 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid label="audits" dir=forward]
+	N2 -> N7 [color="#6FE1D5" penwidth=1.5 style=dashed label="locates" dir=forward]
+	N0 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="warns" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_146.dot b/test/diagrams/graph_easy/diagrams_146.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b4ff67f02231090cc5ad4967d59eed5a86109dc3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_146.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Shelter Management" color="#FFE69C" fillcolor="#FFF9D4" shape=diamond style=filled]
+	N1 [label="Climate Change Adaptation for Disasters" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N2 [label="Environmental Remediation" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N3 [label="Mitigation Strategies" color="#8C9EFF" fillcolor="#D3D7EB" shape=rect style=filled]
+	N4 [label="Evacuation Procedures" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N5 [label="Emergency Planning" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N6 [label="Cash Transfer Programs" color="#8C9EFF" fillcolor="#D3D7EB" shape=rect style=filled]
+	N7 [label="Resilience Building" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N8 [label="Economic Recovery Initiatives" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N9 [label="Early Recovery Actions" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N10 [label="Post_Disaster Evaluation" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=solid label="rescues" dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFE69C" penwidth=1.5 style=solid label="drills" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="restores" dir=forward]
+	N8 -> N9 [color="#8C9EFF" penwidth=1.5 style=solid label="shelters" dir=forward]
+	N9 -> N10 [color="#8C9EFF" penwidth=1.5 style=solid label="evacuates" dir=forward]
+	N1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_146.txt b/test/diagrams/graph_easy/diagrams_146.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fac1b832d2f8d43c916799f1e916fab8e5307f67
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_146.txt
@@ -0,0 +1,11 @@
+<Cash Transfer Programs, connectedTo, Resilience Building>
+<Climate Change Adaptation for Disasters, connectedTo, Emergency Planning>
+<Climate Change Adaptation for Disasters, connectedTo, Environmental Remediation>
+<Early Recovery Actions, evacuates, Post_Disaster Evaluation>
+<Economic Recovery Initiatives, shelters, Early Recovery Actions>
+<Emergency Planning, drills, Cash Transfer Programs>
+<Environmental Remediation, connectedTo, Mitigation Strategies>
+<Evacuation Procedures, connectedTo, Emergency Planning>
+<Mitigation Strategies, connectedTo, Evacuation Procedures>
+<Resilience Building, restores, Economic Recovery Initiatives>
+<Shelter Management, rescues, Climate Change Adaptation for Disasters>
diff --git a/test/diagrams/graph_easy/diagrams_147.dot b/test/diagrams/graph_easy/diagrams_147.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9fd606615d9855652888021ff57d5b8ecbef3835
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_147.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Psychosocial Support" color="#42A5F5" fillcolor="#F1F8FF" shape=predefinedprocess style=filled]
+	N1 [label="International Aid Coordination" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N2 [label="Geographic Information Systems for Disasters" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N3 [label="Climate Change Adaptation for Disasters" color="#CDDC39" fillcolor="#E6EE9C" shape=rectangle style=filled]
+	N4 [label="Incident Command System" color="#C0CA33" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N5 [label="Medical Aid Deployment" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N6 [label="Emergency Drills and Exercises" color="#C0CA33" fillcolor="#F9FBE7" shape=database style=filled]
+	N7 [label="Environmental Remediation" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N0 -> N1 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#C0CA33" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=dashed label="provides" dir=forward]
+	N4 -> N5 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#CDDC39" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=dashed label="identifies" dir=forward]
+	N0 -> N7 [color="#000000" penwidth=1.5 style=solid label="simulates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_147.txt b/test/diagrams/graph_easy/diagrams_147.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c62c0dc08815a78ed6372067f861757ee20cb22e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_147.txt
@@ -0,0 +1,8 @@
+<Climate Change Adaptation for Disasters, provides, Incident Command System>
+<Emergency Drills and Exercises, identifies, Environmental Remediation>
+<Geographic Information Systems for Disasters, surveys, Climate Change Adaptation for Disasters>
+<Incident Command System, connectedTo, Medical Aid Deployment>
+<International Aid Coordination, connectedTo, Geographic Information Systems for Disasters>
+<Medical Aid Deployment, audits, Emergency Drills and Exercises>
+<Psychosocial Support, connectedTo, International Aid Coordination>
+<Psychosocial Support, simulates, Environmental Remediation>
diff --git a/test/diagrams/graph_easy/diagrams_149.dot b/test/diagrams/graph_easy/diagrams_149.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7a7c7c21bfcec5ce5b0c347668dc7a2b317510cc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_149.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Personnel Management" color="#E91E63" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N1 [label="Peacekeeping Missions" color="#E91E63" fillcolor="#FCE4EC" shape=database style=filled]
+	N2 [label="Disaster Relief Deployment" color="#E91E63" fillcolor="#FCE4EC" shape=inputoutput style=filled]
+	N3 [label="Reconnaissance" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N4 [label="Specialized Training" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N5 [label="Force Projection" color="#94C0C0" fillcolor="#CADEDE" shape=predefinedprocess style=filled]
+	N6 [label="Joint Exercises" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N7 [label="Chaplain Services" color="#94C0C0" fillcolor="#CADEDE" shape=rectangle style=filled]
+	N8 [label="Civil_Military Cooperation" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=dashed label="disarms" dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="negotiates" dir=forward]
+	N4 -> N5 [color="#94C0C0" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=solid label="evaluates" dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid label="secures" dir=forward]
+	N4 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N6 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_149.txt b/test/diagrams/graph_easy/diagrams_149.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc9b8ad11c029410281f5c2c3477a978cf1da072
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_149.txt
@@ -0,0 +1,10 @@
+<Chaplain Services, secures, Civil_Military Cooperation>
+<Disaster Relief Deployment, connectedTo, Reconnaissance>
+<Force Projection, evaluates, Joint Exercises>
+<Joint Exercises, connectedTo, Chaplain Services>
+<Peacekeeping Missions, connectedTo, Disaster Relief Deployment>
+<Peacekeeping Missions, connectedTo, Joint Exercises>
+<Personnel Management, disarms, Peacekeeping Missions>
+<Reconnaissance, negotiates, Specialized Training>
+<Specialized Training, connectedTo, Chaplain Services>
+<Specialized Training, warns, Force Projection>
diff --git a/test/diagrams/graph_easy/diagrams_15.dot b/test/diagrams/graph_easy/diagrams_15.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b33b6b3d67f305a498e0c314a6d73ba58f702116
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_15.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Wishlist Management" color="#82DAFF" fillcolor="#C8EDFF" shape=vnode_shape style=filled]
+	N1 [label="Cross_selling Recommendation" color="#82DAFF" fillcolor="#C8EDFF" shape=multipledocuments style=filled]
+	N2 [label="Customer Segmentation" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+	N3 [label="Gift Card Purchase" color="#82DAFF" fillcolor="#C8EDFF" shape=document style=filled]
+	N4 [label="Return Merchandise Authorization" color="#82DAFF" fillcolor="#C8EDFF" shape=rectangle style=filled]
+	N5 [label="Up_selling Offer" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N6 [label="Data Analytics Reporting" color="#82DAFF" fillcolor="#C8EDFF" shape=preparation style=filled]
+	N7 [label="Product Recommendation" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FFDA4E" penwidth=1.5 style=dashed label="fulfills" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="compares" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="updates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N1 [color="#7E57C2" penwidth=1.5 style=solid label="pays" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_15.txt b/test/diagrams/graph_easy/diagrams_15.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b147bb9a0a73447d9aea719cb1fe36e8d2edba5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_15.txt
@@ -0,0 +1,8 @@
+<Cross_selling Recommendation, personalizes, Customer Segmentation>
+<Customer Segmentation, connectedTo, Gift Card Purchase>
+<Data Analytics Reporting, connectedTo, Product Recommendation>
+<Gift Card Purchase, compares, Return Merchandise Authorization>
+<Return Merchandise Authorization, pays, Cross_selling Recommendation>
+<Return Merchandise Authorization, updates, Up_selling Offer>
+<Up_selling Offer, connectedTo, Data Analytics Reporting>
+<Wishlist Management, fulfills, Cross_selling Recommendation>
diff --git a/test/diagrams/graph_easy/diagrams_150.dot b/test/diagrams/graph_easy/diagrams_150.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a0a9454658e9d09a933405e6e3ca03c1d3a0b803
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_150.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Medical Support" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N1 [label="Family Support Programs" color="#CB9BE1" fillcolor="#F2E6F5" shape=preparation style=filled]
+	N2 [label="Disaster Relief Deployment" color="#CB9BE1" fillcolor="#F2E6F5" shape=vnode_shape style=filled]
+	N3 [label="Peacekeeping Missions" color="#6EB76D" fillcolor="#E9F7E8" shape=rectangle style=filled]
+	N4 [label="Weapon Systems Development" color="#FFC107" fillcolor="#FFECB3" shape=document style=filled]
+	N5 [label="Electronic Warfare" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N6 [label="Logistics Support" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+	N7 [label="Targeting" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+	N8 [label="Surveillance" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N9 [label="Specialized Training" color="#FFC107" fillcolor="#FFECB3" shape=diamond style=filled]
+	N10 [label="Air Operations" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="patrols" dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=dashed label="intelligence" dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=dashed label="defends" dir=forward]
+	N4 -> N5 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N7 -> N8 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N10 -> N1 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N0 [color="#CB9BE1" penwidth=1.5 style=solid label="enforces" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_150.txt b/test/diagrams/graph_easy/diagrams_150.txt
new file mode 100644
index 0000000000000000000000000000000000000000..73a885e2b70ad91ea10413f9bc4be8ca824477ba
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_150.txt
@@ -0,0 +1,12 @@
+<Air Operations, connectedTo, Family Support Programs>
+<Disaster Relief Deployment, intelligence, Peacekeeping Missions>
+<Electronic Warfare, connectedTo, Logistics Support>
+<Electronic Warfare, enforces, Medical Support>
+<Family Support Programs, patrols, Disaster Relief Deployment>
+<Logistics Support, trains, Targeting>
+<Medical Support, connectedTo, Family Support Programs>
+<Peacekeeping Missions, defends, Weapon Systems Development>
+<Specialized Training, connectedTo, Air Operations>
+<Surveillance, connectedTo, Specialized Training>
+<Targeting, connectedTo, Surveillance>
+<Weapon Systems Development, connectedTo, Electronic Warfare>
diff --git a/test/diagrams/graph_easy/diagrams_151.dot b/test/diagrams/graph_easy/diagrams_151.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d6fed4eb21c7c30f39149f5e2b3aaea085aa9b76
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_151.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Delay Management" color="#A188DB" fillcolor="#DED7F0" shape=preparation style=filled]
+	N1 [label="Air Cargo Logistics" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	N2 [label="Runway Management" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N3 [label="Aviation Safety Investigation" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N4 [label="Avionics Repair" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+	N5 [label="Baggage Handling" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N6 [label="Remote Tower Operations" color="#FF9800" fillcolor="#FFE0B2" shape=rect style=filled]
+	N7 [label="Airport Operations" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N8 [label="Airworthiness Certification" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N1 -> N2 [color="#A188DB" penwidth=1.5 style=solid label="fuels" dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=dashed label="alerts" dir=forward]
+	N3 -> N4 [color="#A188DB" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=solid label="checks" dir=forward]
+	N7 -> N6 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N2 -> N6 [color="#000000" penwidth=1.5 style=dashed label="integrates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_152.dot b/test/diagrams/graph_easy/diagrams_152.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6d9826ee8437a9134cb97f02069e5623fb3a9961
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_152.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Weather Briefing" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N1 [label="Navigation System Check" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N2 [label="Passenger Boarding" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N3 [label="Aircraft Manufacturing" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N4 [label="Aircraft Maintenance" color="#4DB6AC" fillcolor="#E0F2F1" shape=rect style=filled]
+	N5 [label="In_flight Service" color="#A188D0" fillcolor="#DACBE3" shape=rect style=filled]
+	N6 [label="Crew Scheduling" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N7 [label="Security Screening" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N8 [label="Remote Tower Operations" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N9 [label="Cargo Loading" color="#FFF8A6" fillcolor="#FFFDE0" shape=diamond style=filled]
+	N0 -> N1 [color="#4DB6AC" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N1 -> N2 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFF8A6" penwidth=1.5 style=dashed label="flies" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="routes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="checks" dir=forward]
+	N6 -> N3 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_152.txt b/test/diagrams/graph_easy/diagrams_152.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a205c6f2a38a3bab5edf35a216776b968acda3f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_152.txt
@@ -0,0 +1,10 @@
+<Aircraft Maintenance, designs, In_flight Service>
+<Aircraft Manufacturing, routes, Aircraft Maintenance>
+<Crew Scheduling, connectedTo, Aircraft Manufacturing>
+<Crew Scheduling, connectedTo, Security Screening>
+<In_flight Service, connectedTo, Crew Scheduling>
+<Navigation System Check, connectedTo, Passenger Boarding>
+<Passenger Boarding, flies, Aircraft Manufacturing>
+<Remote Tower Operations, checks, Cargo Loading>
+<Security Screening, connectedTo, Remote Tower Operations>
+<Weather Briefing, manufactures, Navigation System Check>
diff --git a/test/diagrams/graph_easy/diagrams_153.txt b/test/diagrams/graph_easy/diagrams_153.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9cf23deba844c9a6ad66004d2a0a356ef777e7de
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_153.txt
@@ -0,0 +1,11 @@
+<Aircraft Manufacturing, repairs, Air Traffic Control>
+<Airport Security Management, de_ices, Flight Planning>
+<Airspace Management, audits, Air Traffic Control>
+<Airspace Management, schedules, Aviation Safety Investigation>
+<Aviation Safety Investigation, controls, Gate Assignment>
+<Cargo Loading, connectedTo, Flight Simulation>
+<Cargo Loading, flies, Crew Scheduling>
+<Crew Scheduling, connectedTo, Airport Security Management>
+<Flight Planning, routes, Aircraft Manufacturing>
+<Flight Simulation, connectedTo, Cargo Loading>
+<Gate Assignment, connectedTo, Flight Simulation>
diff --git a/test/diagrams/graph_easy/diagrams_154.txt b/test/diagrams/graph_easy/diagrams_154.txt
new file mode 100644
index 0000000000000000000000000000000000000000..43d15f1b047c299f418ce9581bfce1843e5e3ca8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_154.txt
@@ -0,0 +1,13 @@
+<Aeronautical Charting, connectedTo, Dead Reckoning>
+<Autonomous Vehicle Navigation, connectedTo, Historical Traffic Data Analysis>
+<Bearing and Distance Calculation, records, Autonomous Vehicle Navigation>
+<Dead Reckoning, connectedTo, Geocoding>
+<Digital Compass Integration, connectedTo, Autonomous Vehicle Navigation>
+<Digital Compass Integration, connectedTo, Indoor Navigation>
+<GPS Positioning, updates, Digital Compass Integration>
+<Geocoding, calibrates, GPS Positioning>
+<Indoor Navigation, connectedTo, Points of Interest Search>
+<Points of Interest Search, detects, Aeronautical Charting>
+<Points of Interest Search, measures, Voice Guidance Customization>
+<Terrestrial Navigation, interprets, Bearing and Distance Calculation>
+<Voice Guidance Customization, monitors, Terrestrial Navigation>
diff --git a/test/diagrams/graph_easy/diagrams_155.dot b/test/diagrams/graph_easy/diagrams_155.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3041b83dc1582f95f86fad239b24644635a42162
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_155.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Offline Map Support" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N1 [label="Navigation Data Update" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N2 [label="Real_Time Re_routing" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N3 [label="Terrestrial Navigation" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N4 [label="Speed Calculation" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N5 [label="Inertial Navigation System" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+	N6 [label="Points of Interest Search" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N7 [label="Location_Based Services" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="avoids" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="maps" dir=forward]
+	N4 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_155.txt b/test/diagrams/graph_easy/diagrams_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c57792f44fa5998076d8166dfa79b2eddc31fbbd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_155.txt
@@ -0,0 +1,8 @@
+<Inertial Navigation System, avoids, Points of Interest Search>
+<Navigation Data Update, visualizes, Real_Time Re_routing>
+<Offline Map Support, connectedTo, Navigation Data Update>
+<Points of Interest Search, maps, Location_Based Services>
+<Real_Time Re_routing, integrates, Terrestrial Navigation>
+<Speed Calculation, connectedTo, Inertial Navigation System>
+<Speed Calculation, connectedTo, Location_Based Services>
+<Terrestrial Navigation, connectedTo, Speed Calculation>
diff --git a/test/diagrams/graph_easy/diagrams_156.dot b/test/diagrams/graph_easy/diagrams_156.dot
new file mode 100644
index 0000000000000000000000000000000000000000..683e67d35153897bc3a981568c8865ed00f51ecd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_156.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Points of Interest Search" color="#26A69A" fillcolor="#E0F2F1" shape=document style=filled]
+	N1 [label="Geofencing" color="#26A69A" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N2 [label="Aeronautical Charting" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N3 [label="Map Display" color="#9C27B0" fillcolor="#E1BEE7" shape=action style=filled]
+	N4 [label="Reverse Geocoding" color="#26A69A" fillcolor="#E0F2F1" shape=preparation style=filled]
+	N5 [label="Multi_modal Navigation" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N6 [label="Hazard Alerts" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N7 [label="Lane Guidance" color="#26A69A" fillcolor="#E0F2F1" shape=action style=filled]
+	N0 -> N1 [color="#A1D7CD" penwidth=1.5 style=solid label="orients" dir=forward]
+	N1 -> N2 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A1D7CD" penwidth=1.5 style=solid label="secures" dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=solid label="follows" dir=forward]
+	N4 -> N5 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=dashed label="directs" dir=forward]
+	N5 -> N3 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_156.txt b/test/diagrams/graph_easy/diagrams_156.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca16d6c35af5e088813a520ba3e783ab67d1c615
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_156.txt
@@ -0,0 +1,8 @@
+<Aeronautical Charting, secures, Map Display>
+<Geofencing, connectedTo, Aeronautical Charting>
+<Hazard Alerts, directs, Lane Guidance>
+<Map Display, follows, Reverse Geocoding>
+<Multi_modal Navigation, connectedTo, Hazard Alerts>
+<Multi_modal Navigation, connectedTo, Map Display>
+<Points of Interest Search, orients, Geofencing>
+<Reverse Geocoding, connectedTo, Multi_modal Navigation>
diff --git a/test/diagrams/graph_easy/diagrams_157.dot b/test/diagrams/graph_easy/diagrams_157.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a1dd74dac9a7eb2b4a9417a1b0f07888430e165a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_157.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Educational Applications" color="#FFF8A6" fillcolor="#FFFDE0" shape=predefinedprocess style=filled]
+	N1 [label="Maintenance and Repair of Printers" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N2 [label="Post_Processing" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N3 [label="Rapid Manufacturing" color="#FFF8A6" fillcolor="#FFFDE0" shape=preparation style=filled]
+	N4 [label="Intellectual Property Protection for Designs" color="#FFF8A6" fillcolor="#FFFDE0" shape=inputoutput style=filled]
+	N5 [label="Slicing Software Operation" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N6 [label="Printing Process" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N7 [label="Troubleshooting Print Errors" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N8 [label="Fused Deposition Modeling" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N9 [label="Printing Parameter Optimization" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N10 [label="File Format Conversion" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N11 [label="Aerospace Part Production" color="#FFF8A6" fillcolor="#FFFDE0" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="educates" dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFF8A6" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="controls" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#3F51B5" penwidth=1.5 style=solid label="duplicates" dir=forward]
+	N7 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_158.dot b/test/diagrams/graph_easy/diagrams_158.dot
new file mode 100644
index 0000000000000000000000000000000000000000..014b0db756d16a0364a3d1b3dc4717d356dc9d9f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_158.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Reverse Engineering with 3D Printing" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N1 [label="Bioprinting" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N2 [label="Printer Setup" color="#FF8A65" fillcolor="#FBE9E7" shape=rectangle style=filled]
+	N3 [label="Digital Twin for 3D Prints" color="#FF8A65" fillcolor="#FBE9E7" shape=document style=filled]
+	N4 [label="Quality Control" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N5 [label="Prototyping" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+	N6 [label="3D Model Design" color="#FF8A65" fillcolor="#FBE9E7" shape=document style=filled]
+	N7 [label="Material Selection" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N8 [label="Intellectual Property Protection for Designs" color="#FF8A65" fillcolor="#FBE9E7" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="models" dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=solid label="distributes" dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N5 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N5 -> N7 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_158.txt b/test/diagrams/graph_easy/diagrams_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f3705ee7f2db7edd45ba1a311af67907c740a201
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_158.txt
@@ -0,0 +1,10 @@
+<3D Model Design, distributes, Material Selection>
+<Bioprinting, analyzes, Printer Setup>
+<Digital Twin for 3D Prints, connectedTo, Quality Control>
+<Digital Twin for 3D Prints, secures, Prototyping>
+<Material Selection, connectedTo, Intellectual Property Protection for Designs>
+<Printer Setup, connectedTo, Digital Twin for 3D Prints>
+<Prototyping, connectedTo, Material Selection>
+<Prototyping, models, 3D Model Design>
+<Quality Control, connectedTo, Prototyping>
+<Reverse Engineering with 3D Printing, connectedTo, Bioprinting>
diff --git a/test/diagrams/graph_easy/diagrams_159.dot b/test/diagrams/graph_easy/diagrams_159.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2c5134d34b29efe39d7687eb324100daca91ac48
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_159.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="On_Demand Production" color="#FFE470" fillcolor="#FFFAE0" shape=rectangle style=filled]
+	N1 [label="Printing Process" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N2 [label="Selective Laser Sintering" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+	N3 [label="Support Structure Design" color="#6FE1D5" fillcolor="#C9EFEC" shape=action style=filled]
+	N4 [label="Print Farm Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=multipledocuments style=filled]
+	N5 [label="Intellectual Property Protection for Designs" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N6 [label="3D Printed Tooling" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N7 [label="Material Research and Development" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N8 [label="Distributed Manufacturing" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N9 [label="Fused Deposition Modeling" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="replicates" dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="prints" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=solid label="validates" dir=forward]
+	N8 -> N9 [color="#6FE1D5" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N5 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N5 [color="#A1D7CD" penwidth=1.5 style=solid label="manufactures" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_16.dot b/test/diagrams/graph_easy/diagrams_16.dot
new file mode 100644
index 0000000000000000000000000000000000000000..50d8bb86d5321e1b6e422d68dcf4c605ddd44219
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_16.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Security Check" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N1 [label="Weather Impact Assessment" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N2 [label="Electric Vehicle Charging" color="#C0CA33" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N3 [label="Fleet Management" color="#C0CA33" fillcolor="#F9FBE7" shape=rect style=filled]
+	N4 [label="Route Optimization" color="#C0CA33" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N5 [label="Location Input" color="#C0CA33" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N6 [label="Navigation Update" color="#607D8B" fillcolor="#CFD8DC" shape=rectangle style=filled]
+	N7 [label="Bus Stop Management" color="#FFC085" fillcolor="#FFDAB9" shape=predefinedprocess style=filled]
+	N8 [label="Emergency Landing" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N9 [label="Air Traffic Control" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N10 [label="Road Network Management" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N11 [label="Delay Alert" color="#FFC085" fillcolor="#FFDAB9" shape=database style=filled]
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="boards" dir=forward]
+	N2 -> N3 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#607D8B" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFC085" penwidth=1.5 style=solid label="books" dir=forward]
+	N10 -> N11 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N9 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N3 [color="#FFC085" penwidth=1.5 style=dashed label="diversifies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_16.txt b/test/diagrams/graph_easy/diagrams_16.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7baa090e739f7d245636e990c0a57092889f8df1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_16.txt
@@ -0,0 +1,13 @@
+<Air Traffic Control, books, Road Network Management>
+<Air Traffic Control, connectedTo, Fleet Management>
+<Bus Stop Management, licenses, Emergency Landing>
+<Delay Alert, diversifies, Fleet Management>
+<Electric Vehicle Charging, connectedTo, Fleet Management>
+<Emergency Landing, connectedTo, Air Traffic Control>
+<Fleet Management, connectedTo, Route Optimization>
+<Location Input, reports, Navigation Update>
+<Navigation Update, connectedTo, Bus Stop Management>
+<Road Network Management, connectedTo, Delay Alert>
+<Route Optimization, connectedTo, Location Input>
+<Security Check, optimizes, Weather Impact Assessment>
+<Weather Impact Assessment, boards, Electric Vehicle Charging>
diff --git a/test/diagrams/graph_easy/diagrams_160.txt b/test/diagrams/graph_easy/diagrams_160.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6e009a5ec8cc9982b18a2f3017cfc83089969a4f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_160.txt
@@ -0,0 +1,12 @@
+<Atomic Force Microscopy, assembles, Nanosensors>
+<Atomic Force Microscopy, connectedTo, Transmission Electron Microscopy>
+<Biosensors, tests, Regulatory Framework for Nanotech>
+<Energy Storage Applications, connectedTo, Environmental Remediation with Nanomaterials>
+<Environmental Remediation with Nanomaterials, engineers, Nanomedicine Development>
+<Nanocomposites, commercializes, Atomic Force Microscopy>
+<Nanomedicine Development, connectedTo, Photovoltaics>
+<Nanosensors, connectedTo, Energy Storage Applications>
+<Photovoltaics, simulates, Drug Delivery Systems>
+<Public Perception of Nanotechnology, filters, Nanocomposites>
+<Regulatory Framework for Nanotech, connectedTo, Transmission Electron Microscopy>
+<Transmission Electron Microscopy, secures, Public Perception of Nanotechnology>
diff --git a/test/diagrams/graph_easy/diagrams_161.dot b/test/diagrams/graph_easy/diagrams_161.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fe8f455574b5e046b965bb47b4e102b94440cb4c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_161.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Nanocomposites" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N1 [label="Environmental Remediation with Nanomaterials" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N2 [label="Scanning Electron Microscopy" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N3 [label="Quantum Dots" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N4 [label="Nanodevice Fabrication" color="#5C6BC0" fillcolor="#E8EAF6" shape=action style=filled]
+	N5 [label="Nanofabrication Techniques" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N6 [label="Nanomedicine Development" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N7 [label="Computational Nanotechnology" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#5C6BC0" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#AABEC6" penwidth=1.5 style=dashed label="functionalizes" dir=forward]
+	N3 -> N4 [color="#AABEC6" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N4 -> N5 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#AABEC6" penwidth=1.5 style=solid label="applies" dir=forward]
+	N5 -> N1 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_161.txt b/test/diagrams/graph_easy/diagrams_161.txt
new file mode 100644
index 0000000000000000000000000000000000000000..919ec63ff87901a44db66aa031a5d2b9101950df
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_161.txt
@@ -0,0 +1,8 @@
+<Environmental Remediation with Nanomaterials, connectedTo, Scanning Electron Microscopy>
+<Nanocomposites, integrates, Environmental Remediation with Nanomaterials>
+<Nanodevice Fabrication, connectedTo, Nanofabrication Techniques>
+<Nanofabrication Techniques, complies, Environmental Remediation with Nanomaterials>
+<Nanofabrication Techniques, connectedTo, Nanomedicine Development>
+<Nanomedicine Development, applies, Computational Nanotechnology>
+<Quantum Dots, cleans, Nanodevice Fabrication>
+<Scanning Electron Microscopy, functionalizes, Quantum Dots>
diff --git a/test/diagrams/graph_easy/diagrams_162.dot b/test/diagrams/graph_easy/diagrams_162.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fe172d9086a9f370ac258b5a202475a1c9ddac1e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_162.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Risk Assessment of Nanomaterials" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N1 [label="Graphene Production" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N2 [label="Computational Nanotechnology" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N3 [label="Nanotoxicology" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N4 [label="Water Purification using Nanomaterials" color="#BDBDBD" fillcolor="#F5F5F5" shape=predefinedprocess style=filled]
+	N5 [label="Nanomaterial Synthesis" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N6 [label="Nanomedicine Development" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N7 [label="Molecular Self_Assembly" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N8 [label="Scanning Electron Microscopy" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N9 [label="Public Perception of Nanotechnology" color="#BDBDBD" fillcolor="#F5F5F5" shape=action style=filled]
+	N10 [label="Nanosensors" color="#FFB74D" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N11 [label="Nanodevice Fabrication" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed label="delivers" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="commercializes" dir=forward]
+	N7 -> N8 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+	N9 -> N10 [color="#FFB74D" penwidth=1.5 style=solid label="cleans" dir=forward]
+	N10 -> N11 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N1 [color="#BDBDBD" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N5 -> N1 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_162.txt b/test/diagrams/graph_easy/diagrams_162.txt
new file mode 100644
index 0000000000000000000000000000000000000000..73495c084b01028ce4ba46703aac949d23a63aef
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_162.txt
@@ -0,0 +1,13 @@
+<Computational Nanotechnology, innovates, Nanotoxicology>
+<Graphene Production, connectedTo, Computational Nanotechnology>
+<Molecular Self_Assembly, connectedTo, Scanning Electron Microscopy>
+<Nanomaterial Synthesis, connectedTo, Graphene Production>
+<Nanomaterial Synthesis, delivers, Nanomedicine Development>
+<Nanomedicine Development, commercializes, Molecular Self_Assembly>
+<Nanomedicine Development, simulates, Graphene Production>
+<Nanosensors, connectedTo, Nanodevice Fabrication>
+<Nanotoxicology, connectedTo, Water Purification using Nanomaterials>
+<Public Perception of Nanotechnology, cleans, Nanosensors>
+<Risk Assessment of Nanomaterials, connectedTo, Graphene Production>
+<Scanning Electron Microscopy, tests, Public Perception of Nanotechnology>
+<Water Purification using Nanomaterials, secures, Nanomaterial Synthesis>
diff --git a/test/diagrams/graph_easy/diagrams_163.txt b/test/diagrams/graph_easy/diagrams_163.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4768d3e4c089d6f82e72da754ce763ab47c3c0e4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_163.txt
@@ -0,0 +1,12 @@
+<Financial Modeling with Quantum Computing, connectedTo, Quantum Computing Education>
+<Material Science Simulations, connectedTo, Quantum Bit Design>
+<Material Science Simulations, connectedTo, Quantum Coherence Management>
+<Optimization Problems with Quantum Annealing, benchmarks, Quantum Simulation>
+<Quantum Bit Design, connectedTo, Microwave Control for Qubits>
+<Quantum Coherence Management, develops, Financial Modeling with Quantum Computing>
+<Quantum Computing Education, educates, Optimization Problems with Quantum Annealing>
+<Quantum Key Distribution, factors, Material Science Simulations>
+<Quantum Sensing, connectedTo, Quantum Key Distribution>
+<Quantum Simulation, connectedTo, Quantum Bit Design>
+<Quantum Simulation, processes, Material Science Simulations>
+<Superconducting Qubits, computes, Quantum Sensing>
diff --git a/test/diagrams/graph_easy/diagrams_164.dot b/test/diagrams/graph_easy/diagrams_164.dot
new file mode 100644
index 0000000000000000000000000000000000000000..50c48eab1f829187c43514811f8b3dc2fa6341e9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_164.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Superconducting Qubits" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	N1 [label="Quantum Programming Languages" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N2 [label="Trapped Ion Qubits" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	N3 [label="Decoherence Mitigation" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N4 [label="Quantum Cloud Computing Services" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N5 [label="Quantum Key Distribution" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N6 [label="Interfacing Classical and Quantum Computers" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N7 [label="Quantum Computing in Drug Discovery" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N8 [label="Quantum Bit Design" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N9 [label="Quantum Supremacy Claims" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	N10 [label="Quantum Circuit Design" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=dashed label="applies" dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=dashed label="debugs" dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=solid label="models" dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="corrects" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N6 -> N5 [color="#2196F3" penwidth=1.5 style=solid label="analyzes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_164.txt b/test/diagrams/graph_easy/diagrams_164.txt
new file mode 100644
index 0000000000000000000000000000000000000000..753509a56ec07159aa38932bfc6383ed2a63e6f2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_164.txt
@@ -0,0 +1,11 @@
+<Decoherence Mitigation, connectedTo, Quantum Cloud Computing Services>
+<Interfacing Classical and Quantum Computers, analyzes, Quantum Key Distribution>
+<Interfacing Classical and Quantum Computers, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Bit Design, connectedTo, Quantum Supremacy Claims>
+<Quantum Cloud Computing Services, debugs, Quantum Key Distribution>
+<Quantum Computing in Drug Discovery, corrects, Quantum Bit Design>
+<Quantum Key Distribution, models, Interfacing Classical and Quantum Computers>
+<Quantum Programming Languages, connectedTo, Trapped Ion Qubits>
+<Quantum Supremacy Claims, connectedTo, Quantum Circuit Design>
+<Superconducting Qubits, designs, Quantum Programming Languages>
+<Trapped Ion Qubits, applies, Decoherence Mitigation>
diff --git a/test/diagrams/graph_easy/diagrams_165.dot b/test/diagrams/graph_easy/diagrams_165.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b01d41dbc18ce0f64aad02f56735fe51fec510d2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_165.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Quantum Cloud Computing Services" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N1 [label="Quantum Bit Design" color="#673AB7" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N2 [label="Superconducting Qubits" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N3 [label="Quantum Cryptography" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N4 [label="Interfacing Classical and Quantum Computers" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	N5 [label="Quantum Key Distribution" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N6 [label="Quantum Computing Education" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N7 [label="Quantum Sensing" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N8 [label="Quantum Software Development Kit" color="#FFCC80" fillcolor="#FFF0CC" shape=rectangle style=filled]
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N1 -> N2 [color="#FFCC80" penwidth=1.5 style=solid label="entangles" dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="designs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="models" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="controls" dir=forward]
+	N7 -> N1 [color="#B0C5CD" penwidth=1.5 style=solid label="tests" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_166.dot b/test/diagrams/graph_easy/diagrams_166.dot
new file mode 100644
index 0000000000000000000000000000000000000000..924f5c29331349478308726eae53f95ee4dac6e6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_166.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Headset Development" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N1 [label="Ethical Considerations in AR or VR" color="#4DB6AC" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N2 [label="Educational Content Development" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N3 [label="Facial Recognition in AR or VR" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N4 [label="Performance Optimization" color="#FFB74D" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N5 [label="Environment Mapping" color="#FFB74D" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N6 [label="Data Visualization in AR or VR" color="#FFB74D" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N7 [label="Hardware Prototyping" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N8 [label="Live Event Streaming in VR" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N9 [label="Multiplayer Experience Design" color="#4DB6AC" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N10 [label="Virtual Showrooms" color="#4DB6AC" fillcolor="#E0F2F1" shape=rect style=filled]
+	N11 [label="Virtual Tourism Experiences" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFB74D" penwidth=1.5 style=solid label="guides" dir=forward]
+	N1 -> N2 [color="#A1D7CD" penwidth=1.5 style=solid label="displays" dir=forward]
+	N2 -> N3 [color="#A1D7CD" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFB74D" penwidth=1.5 style=solid label="maps" dir=forward]
+	N8 -> N9 [color="#FFB74D" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N9 -> N10 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N10 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_166.txt b/test/diagrams/graph_easy/diagrams_166.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2adad9b7d56e75a195dcf92687405b08bb040eed
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_166.txt
@@ -0,0 +1,12 @@
+<Data Visualization in AR or VR, connectedTo, Hardware Prototyping>
+<Educational Content Development, secures, Facial Recognition in AR or VR>
+<Environment Mapping, connectedTo, Data Visualization in AR or VR>
+<Ethical Considerations in AR or VR, displays, Educational Content Development>
+<Facial Recognition in AR or VR, connectedTo, Performance Optimization>
+<Hardware Prototyping, connectedTo, Virtual Showrooms>
+<Hardware Prototyping, maps, Live Event Streaming in VR>
+<Headset Development, guides, Ethical Considerations in AR or VR>
+<Live Event Streaming in VR, measures, Multiplayer Experience Design>
+<Multiplayer Experience Design, connectedTo, Virtual Showrooms>
+<Performance Optimization, connectedTo, Environment Mapping>
+<Virtual Showrooms, connectedTo, Virtual Tourism Experiences>
diff --git a/test/diagrams/graph_easy/diagrams_167.dot b/test/diagrams/graph_easy/diagrams_167.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f1cd94ce1fb65bb4b642a38b20bb6ed60fad1bc5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_167.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Environment Mapping" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N1 [label="Augmented Reality App Development" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	N2 [label="Virtual Tourism Experiences" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
+	N3 [label="Wearable AR Devices" color="#B8C0F5" fillcolor="#ECF0FD" shape=preparation style=filled]
+	N4 [label="Immersive Storytelling" color="#B8C0F5" fillcolor="#ECF0FD" shape=preparation style=filled]
+	N5 [label="AR for Navigation" color="#F7BEE0" fillcolor="#FAEBF3" shape=preparation style=filled]
+	N6 [label="Tracking System Calibration" color="#61CAC3" fillcolor="#C2E8E6" shape=preparation style=filled]
+	N7 [label="Performance Optimization" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N8 [label="Architectural Visualization" color="#61CAC3" fillcolor="#C2E8E6" shape=document style=filled]
+	N0 -> N1 [color="#F7BEE0" penwidth=1.5 style=solid label="tests" dir=forward]
+	N1 -> N2 [color="#61CAC3" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N2 -> N3 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#B8C0F5" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N4 -> N5 [color="#61CAC3" penwidth=1.5 style=solid label="captures" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#61CAC3" penwidth=1.5 style=dashed label="enhances" dir=forward]
+	N8 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_167.txt b/test/diagrams/graph_easy/diagrams_167.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d19b75ed42be9116ea40f175b594c64f52c345d2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_167.txt
@@ -0,0 +1,9 @@
+<AR for Navigation, connectedTo, Tracking System Calibration>
+<Architectural Visualization, connectedTo, Virtual Tourism Experiences>
+<Augmented Reality App Development, simulates, Virtual Tourism Experiences>
+<Environment Mapping, tests, Augmented Reality App Development>
+<Immersive Storytelling, captures, AR for Navigation>
+<Performance Optimization, enhances, Architectural Visualization>
+<Tracking System Calibration, connectedTo, Performance Optimization>
+<Virtual Tourism Experiences, connectedTo, Wearable AR Devices>
+<Wearable AR Devices, guides, Immersive Storytelling>
diff --git a/test/diagrams/graph_easy/diagrams_168.dot b/test/diagrams/graph_easy/diagrams_168.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ed077281ccbd6147d3786733c0897899ac63895f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_168.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="User Interface Design" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N1 [label="AR for Navigation" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N2 [label="Architectural Visualization" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N3 [label="Augmented Reality App Development" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N4 [label="Retail Experience Enhancement" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+	N5 [label="Medical Applications" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N6 [label="Facial Recognition in AR or VR" color="#FFCC80" fillcolor="#FFF0CC" shape=vnode_shape style=filled]
+	N7 [label="Content Creation for AR or VR" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N0 -> N1 [color="#FFCC80" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N1 -> N2 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#F44336" penwidth=1.5 style=solid label="streamlines" dir=forward]
+	N5 -> N6 [color="#FFCC80" penwidth=1.5 style=dashed label="programs" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid label="guides" dir=forward]
+	N5 -> N4 [color="#F44336" penwidth=1.5 style=dashed label="navigates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_168.txt b/test/diagrams/graph_easy/diagrams_168.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9664d5e8d39a860b2b09b60d4a41d09eb70bcebe
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_168.txt
@@ -0,0 +1,8 @@
+<AR for Navigation, connectedTo, Architectural Visualization>
+<Architectural Visualization, connectedTo, Augmented Reality App Development>
+<Augmented Reality App Development, connectedTo, Retail Experience Enhancement>
+<Facial Recognition in AR or VR, guides, Content Creation for AR or VR>
+<Medical Applications, navigates, Retail Experience Enhancement>
+<Medical Applications, programs, Facial Recognition in AR or VR>
+<Retail Experience Enhancement, streamlines, Medical Applications>
+<User Interface Design, monitors, AR for Navigation>
diff --git a/test/diagrams/graph_easy/diagrams_169.dot b/test/diagrams/graph_easy/diagrams_169.dot
new file mode 100644
index 0000000000000000000000000000000000000000..71d53225a26542354c59fc1958e9b18e72bd484f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_169.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="AI Behavior Programming" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N1 [label="Physics Simulation" color="#607D8B" fillcolor="#CFD8DC" shape=predefinedprocess style=filled]
+	N2 [label="Bug Fixing" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N3 [label="Anti_Cheat Development" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N4 [label="Multiplayer Game Development" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N5 [label="Game Engine Customization" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N6 [label="Game Analytics" color="#FFC2C2" fillcolor="#FFEBEB" shape=vnode_shape style=filled]
+	N7 [label="Marketing and Promotion" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=dashed label="sponsors" dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=solid label="writes" dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N0 -> N5 [color="#607D8B" penwidth=1.5 style=dashed label="balances" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_169.txt b/test/diagrams/graph_easy/diagrams_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ce37a61aaf8a1841169cb8743385f0248667aa7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_169.txt
@@ -0,0 +1,8 @@
+<AI Behavior Programming, balances, Game Engine Customization>
+<AI Behavior Programming, connectedTo, Physics Simulation>
+<Anti_Cheat Development, connectedTo, Multiplayer Game Development>
+<Bug Fixing, connectedTo, Anti_Cheat Development>
+<Game Analytics, connectedTo, Marketing and Promotion>
+<Game Engine Customization, writes, Game Analytics>
+<Multiplayer Game Development, connectedTo, Game Engine Customization>
+<Physics Simulation, sponsors, Bug Fixing>
diff --git a/test/diagrams/graph_easy/diagrams_17.dot b/test/diagrams/graph_easy/diagrams_17.dot
new file mode 100644
index 0000000000000000000000000000000000000000..26452517b37c297637416de36113dcdd093122ee
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_17.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Cargo Loading" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N1 [label="Security Check" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N2 [label="Tunnel Monitoring" color="#FFF9AE" fillcolor="#FFFCE6" shape=vnode_shape style=filled]
+	N3 [label="Fueling" color="#D2D2D2" fillcolor="#F0F0F0" shape=rect style=filled]
+	N4 [label="Bridge Inspection" color="#FFF9AE" fillcolor="#FFFCE6" shape=predefinedprocess style=filled]
+	N5 [label="Ticket Purchase" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N6 [label="Customs Clearance" color="#D2D2D2" fillcolor="#F0F0F0" shape=document style=filled]
+	N7 [label="Schedule Generation" color="#4FC3F7" fillcolor="#E1F5FE" shape=vnode_shape style=filled]
+	N8 [label="Ride_sharing Request" color="#D2D2D2" fillcolor="#F0F0F0" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N2 -> N3 [color="#FFF9AE" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N5 -> N6 [color="#FFF9AE" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#4FC3F7" penwidth=1.5 style=solid label="lands" dir=forward]
+	N8 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_170.dot b/test/diagrams/graph_easy/diagrams_170.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e2efd0aab81c7ec2c4ce5e8584364b92dcba9606
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_170.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Augmented Reality Gaming" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N1 [label="User Interface Design" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N2 [label="Live Operations" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N3 [label="Game Engine Customization" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N4 [label="Player Feedback Integration" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+	N5 [label="Game Analytics" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N6 [label="PC Game Development" color="#FF9800" fillcolor="#FFE0B2" shape=rect style=filled]
+	N7 [label="Storytelling" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N8 [label="In_Game Economy Design" color="#FFF9AE" fillcolor="#FFFCE6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=solid label="writes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FF9800" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N0 -> N3 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_170.txt b/test/diagrams/graph_easy/diagrams_170.txt
new file mode 100644
index 0000000000000000000000000000000000000000..174e5bc98c4f8c6eafc76c82e54ef94a5c915f0d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_170.txt
@@ -0,0 +1,9 @@
+<Augmented Reality Gaming, connectedTo, Game Engine Customization>
+<Augmented Reality Gaming, connectedTo, User Interface Design>
+<Game Analytics, connectedTo, PC Game Development>
+<Game Engine Customization, connectedTo, Player Feedback Integration>
+<Live Operations, writes, Game Engine Customization>
+<PC Game Development, connectedTo, Storytelling>
+<Player Feedback Integration, communicates, Game Analytics>
+<Storytelling, develops, In_Game Economy Design>
+<User Interface Design, innovates, Live Operations>
diff --git a/test/diagrams/graph_easy/diagrams_171.dot b/test/diagrams/graph_easy/diagrams_171.dot
new file mode 100644
index 0000000000000000000000000000000000000000..78957fb391b506233b9a8268d9fa8ef1b283dc2b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_171.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Marketing and Promotion" color="#4FC3F7" fillcolor="#E1F5FE" shape=document style=filled]
+	N1 [label="Game Analytics" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N2 [label="Esports Event Organization" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N3 [label="User Experience Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N4 [label="Level Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	N5 [label="Anti_Cheat Development" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N6 [label="PC Game Development" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N7 [label="Motion Capture" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N8 [label="Quality Assurance Testing" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N9 [label="Game Engine Customization" color="#BDBDBD" fillcolor="#F5F5F5" shape=document style=filled]
+	N10 [label="AI Behavior Programming" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N11 [label="Narrative Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=inputoutput style=filled]
+	N0 -> N1 [color="#BA68C8" penwidth=1.5 style=solid label="renders" dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="streams" dir=forward]
+	N3 -> N4 [color="#BDBDBD" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4FC3F7" penwidth=1.5 style=solid label="researches" dir=forward]
+	N6 -> N7 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="organizes" dir=forward]
+	N8 -> N9 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N0 [color="#BA68C8" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N5 -> N7 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_171.txt b/test/diagrams/graph_easy/diagrams_171.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ad4ea93c1d9f84910cc9a760fa044f1b4f3ffcc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_171.txt
@@ -0,0 +1,13 @@
+<AI Behavior Programming, connectedTo, Narrative Design>
+<Anti_Cheat Development, connectedTo, Motion Capture>
+<Anti_Cheat Development, researches, PC Game Development>
+<Esports Event Organization, analyzes, Marketing and Promotion>
+<Esports Event Organization, streams, User Experience Design>
+<Game Analytics, regulates, Esports Event Organization>
+<Game Engine Customization, connectedTo, AI Behavior Programming>
+<Level Design, connectedTo, Anti_Cheat Development>
+<Marketing and Promotion, renders, Game Analytics>
+<Motion Capture, organizes, Quality Assurance Testing>
+<PC Game Development, connectedTo, Motion Capture>
+<Quality Assurance Testing, connectedTo, Game Engine Customization>
+<User Experience Design, tests, Level Design>
diff --git a/test/diagrams/graph_easy/diagrams_172.dot b/test/diagrams/graph_easy/diagrams_172.dot
new file mode 100644
index 0000000000000000000000000000000000000000..06a23ba78af5167a8b869687dc00c364e00b4d83
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_172.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Composition" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N1 [label="Music Production" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N2 [label="Vocal Performance" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N3 [label="Performance" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N4 [label="Music Festival Organization" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N5 [label="Beat Making" color="#80DDEA" fillcolor="#D3F7F9" shape=rect style=filled]
+	N6 [label="Tour Management" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N7 [label="Music Education" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N8 [label="Royalty Collection" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N9 [label="Merchandise Sales" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N10 [label="Audio Engineering" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N11 [label="A&R" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#82DAFF" penwidth=1.5 style=solid label="markets" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=solid label="mixes" dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=solid label="sings" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+	N6 -> N7 [color="#CD8FF2" penwidth=1.5 style=dashed label="invests" dir=forward]
+	N7 -> N8 [color="#CD8FF2" penwidth=1.5 style=dashed label="composes" dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#82DAFF" penwidth=1.5 style=solid label="streams" dir=forward]
+	N10 -> N11 [color="#80DDEA" penwidth=1.5 style=solid label="records" dir=forward]
+	N8 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N9 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_172.txt b/test/diagrams/graph_easy/diagrams_172.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a6b3838f2cfc6e687293cea6b72713f316cbacd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_172.txt
@@ -0,0 +1,13 @@
+<Audio Engineering, records, A&R>
+<Beat Making, audits, Tour Management>
+<Composition, connectedTo, Merchandise Sales>
+<Composition, markets, Music Production>
+<Merchandise Sales, streams, Audio Engineering>
+<Music Education, composes, Royalty Collection>
+<Music Festival Organization, sings, Beat Making>
+<Music Production, connectedTo, Vocal Performance>
+<Performance, mixes, Music Festival Organization>
+<Royalty Collection, connectedTo, Merchandise Sales>
+<Royalty Collection, connectedTo, Music Festival Organization>
+<Tour Management, invests, Music Education>
+<Vocal Performance, manages, Performance>
diff --git a/test/diagrams/graph_easy/diagrams_173.dot b/test/diagrams/graph_easy/diagrams_173.dot
new file mode 100644
index 0000000000000000000000000000000000000000..01e6513c2ef5381c26f424c6eecb32bd749b5dbc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_173.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Arrangement" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N1 [label="Sampling" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N2 [label="Music Theory Analysis" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N3 [label="Composition" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N4 [label="Music Publishing" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N5 [label="Mastering" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N6 [label="Digital Audio Workstation Operation" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N7 [label="Music Production" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N8 [label="Record Label Operations" color="#FFC107" fillcolor="#FFECB3" shape=parallelogram style=filled]
+	N9 [label="Copyright Management" color="#FFC107" fillcolor="#FFECB3" shape=inputoutput style=filled]
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=dashed label="programs" dir=forward]
+	N1 -> N2 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="masters" dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=solid label="sings" dir=forward]
+	N4 -> N5 [color="#BCB88A" penwidth=1.5 style=dashed label="captures" dir=forward]
+	N5 -> N6 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=solid label="synthesizes" dir=forward]
+	N7 -> N8 [color="#BCB88A" penwidth=1.5 style=dashed label="funds" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N3 [color="#FFC107" penwidth=1.5 style=solid label="promotes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_173.txt b/test/diagrams/graph_easy/diagrams_173.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6f9531bca0a5dc9145f635863b0a52cd8780fe8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_173.txt
@@ -0,0 +1,10 @@
+<Arrangement, programs, Sampling>
+<Composition, sings, Music Publishing>
+<Digital Audio Workstation Operation, synthesizes, Music Production>
+<Mastering, connectedTo, Digital Audio Workstation Operation>
+<Mastering, promotes, Composition>
+<Music Production, funds, Record Label Operations>
+<Music Publishing, captures, Mastering>
+<Music Theory Analysis, masters, Composition>
+<Record Label Operations, connectedTo, Copyright Management>
+<Sampling, connectedTo, Music Theory Analysis>
diff --git a/test/diagrams/graph_easy/diagrams_174.dot b/test/diagrams/graph_easy/diagrams_174.dot
new file mode 100644
index 0000000000000000000000000000000000000000..63b7df0e2b36315cad774116f0ddcb1b8ebe13e3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_174.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Beat Making" color="#D2D2D2" fillcolor="#F0F0F0" shape=multipledocuments style=filled]
+	N1 [label="Instrumental Performance" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N2 [label="Songwriting" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+	N3 [label="Concert Promotion" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N4 [label="Ticketing" color="#03A9F4" fillcolor="#B3E5FC" shape=predefinedprocess style=filled]
+	N5 [label="Music Video Production" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+	N6 [label="Music Publishing" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N7 [label="Artist Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=dashed label="engineers" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=solid label="trains" dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=dashed label="writes" dir=forward]
+	N1 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N5 [color="#000000" penwidth=1.5 style=dashed label="transcribes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_175.dot b/test/diagrams/graph_easy/diagrams_175.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f49b7a41cba89f6531bb84d855884ce48c4616ac
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_175.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Virtual Production Techniques" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N1 [label="Film Festival Submission" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N2 [label="Visual Effects" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N3 [label="Color Grading" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N4 [label="Script Development" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N5 [label="Post_production Audio" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N6 [label="Remote Collaboration Tools" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N7 [label="Art Direction" color="#673AB7" fillcolor="#D1C4E9" shape=vnode_shape style=filled]
+	N8 [label="Prop Management" color="#673AB7" fillcolor="#D1C4E9" shape=action style=filled]
+	N9 [label="Screenwriting Workshops" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N10 [label="Talent Negotiation" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N11 [label="Editing" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N1 -> N2 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=dashed label="post_produces" dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="finances" dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#673AB7" penwidth=1.5 style=dashed label="scores" dir=forward]
+	N9 -> N10 [color="#EAEFA5" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N10 -> N11 [color="#EAEFA5" penwidth=1.5 style=solid label="negotiates" dir=forward]
+	N3 -> N0 [color="#EAEFA5" penwidth=1.5 style=solid label="captures" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_175.txt b/test/diagrams/graph_easy/diagrams_175.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1417a60dcd073ee9be866719330cd45eff0e8d51
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_175.txt
@@ -0,0 +1,12 @@
+<Art Direction, connectedTo, Prop Management>
+<Color Grading, captures, Virtual Production Techniques>
+<Color Grading, connectedTo, Script Development>
+<Film Festival Submission, connectedTo, Visual Effects>
+<Post_production Audio, connectedTo, Remote Collaboration Tools>
+<Prop Management, scores, Screenwriting Workshops>
+<Remote Collaboration Tools, connectedTo, Art Direction>
+<Screenwriting Workshops, publishes, Talent Negotiation>
+<Script Development, finances, Post_production Audio>
+<Talent Negotiation, negotiates, Editing>
+<Virtual Production Techniques, secures, Film Festival Submission>
+<Visual Effects, post_produces, Color Grading>
diff --git a/test/diagrams/graph_easy/diagrams_176.dot b/test/diagrams/graph_easy/diagrams_176.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1ab4f1a500d636c0d1d885f1e69faf3a85f9c5d1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_176.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Remote Collaboration Tools" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N1 [label="Editing" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N2 [label="Budget Management" color="#DCE775" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N3 [label="Insurance Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=rect style=filled]
+	N4 [label="Special Effects" color="#FFF9AE" fillcolor="#FFFCE6" shape=preparation style=filled]
+	N5 [label="Pre_production Planning" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N6 [label="Marketing and Publicity" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N7 [label="Costume Design" color="#DCE775" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N8 [label="Lighting Design" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N9 [label="Location Scouting" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N10 [label="Makeup and Hair Design" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N0 -> N1 [color="#F7BEE0" penwidth=1.5 style=solid label="captures" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="sounds" dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=dashed label="casts" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=solid label="post_produces" dir=forward]
+	N7 -> N8 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFF9AE" penwidth=1.5 style=dashed label="dresses" dir=forward]
+	N9 -> N10 [color="#F7BEE0" penwidth=1.5 style=solid label="edits" dir=forward]
+	N6 -> N9 [color="#DCE775" penwidth=1.5 style=solid label="animates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_176.txt b/test/diagrams/graph_easy/diagrams_176.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7422a5576404b6db776bc5d4a5902fceaa0c914
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_176.txt
@@ -0,0 +1,11 @@
+<Budget Management, connectedTo, Insurance Management>
+<Costume Design, connectedTo, Lighting Design>
+<Editing, connectedTo, Budget Management>
+<Insurance Management, sounds, Special Effects>
+<Lighting Design, dresses, Location Scouting>
+<Location Scouting, edits, Makeup and Hair Design>
+<Marketing and Publicity, animates, Location Scouting>
+<Marketing and Publicity, post_produces, Costume Design>
+<Pre_production Planning, connectedTo, Marketing and Publicity>
+<Remote Collaboration Tools, captures, Editing>
+<Special Effects, casts, Pre_production Planning>
diff --git a/test/diagrams/graph_easy/diagrams_177.dot b/test/diagrams/graph_easy/diagrams_177.dot
new file mode 100644
index 0000000000000000000000000000000000000000..464e4282c8e42d705e6f2a7400f4e0955b96ee2c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_177.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Digital Asset Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N1 [label="Directing" color="#FFCC80" fillcolor="#FFF0CC" shape=database style=filled]
+	N2 [label="Color Grading" color="#FFCC80" fillcolor="#FFF0CC" shape=database style=filled]
+	N3 [label="Tax Incentive Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N4 [label="Post_production Audio" color="#4FC3F7" fillcolor="#E1F5FE" shape=inputoutput style=filled]
+	N5 [label="Distribution Strategy" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N6 [label="Legal Compliance" color="#BDBDBD" fillcolor="#F5F5F5" shape=predefinedprocess style=filled]
+	N7 [label="Remote Collaboration Tools" color="#FFCC80" fillcolor="#FFF0CC" shape=database style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=solid label="negotiates" dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed label="lights" dir=forward]
+	N6 -> N7 [color="#4FC3F7" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N4 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_177.txt b/test/diagrams/graph_easy/diagrams_177.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3bc7650d2c24525e1329ac10e70f457ed6f7091d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_177.txt
@@ -0,0 +1,8 @@
+<Color Grading, connectedTo, Tax Incentive Management>
+<Digital Asset Management, connectedTo, Directing>
+<Directing, connectedTo, Color Grading>
+<Distribution Strategy, lights, Legal Compliance>
+<Legal Compliance, reviews, Remote Collaboration Tools>
+<Post_production Audio, connectedTo, Legal Compliance>
+<Post_production Audio, negotiates, Distribution Strategy>
+<Tax Incentive Management, connectedTo, Post_production Audio>
diff --git a/test/diagrams/graph_easy/diagrams_178.dot b/test/diagrams/graph_easy/diagrams_178.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e445468a309b151b6d2464524c61278c8b16bf0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_178.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Voice Acting or Narration" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N1 [label="Copywriting" color="#8C9EFF" fillcolor="#D3D7EB" shape=rectangle style=filled]
+	N2 [label="Audio Recording" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N3 [label="Graphic Design" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+	N4 [label="Transcribing Audio or Video" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N5 [label="Audience Engagement" color="#8C9EFF" fillcolor="#D3D7EB" shape=predefinedprocess style=filled]
+	N6 [label="Videography" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N7 [label="Branding" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N8 [label="Webinar Hosting" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N9 [label="Podcast Production" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N10 [label="Keyword Research" color="#8C9EFF" fillcolor="#D3D7EB" shape=rect style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=solid label="reports" dir=forward]
+	N1 -> N2 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#8C9EFF" penwidth=1.5 style=solid label="illustrates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=solid label="creates" dir=forward]
+	N5 -> N6 [color="#8C9EFF" penwidth=1.5 style=solid label="audios" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed label="outlines" dir=forward]
+	N5 -> N8 [color="#BA68C8" penwidth=1.5 style=solid label="edits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_178.txt b/test/diagrams/graph_easy/diagrams_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..86292135562b003c4527315155fdb5527b49c688
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_178.txt
@@ -0,0 +1,12 @@
+<Audience Engagement, audios, Videography>
+<Audience Engagement, edits, Webinar Hosting>
+<Audio Recording, illustrates, Graphic Design>
+<Branding, connectedTo, Webinar Hosting>
+<Copywriting, connectedTo, Audio Recording>
+<Graphic Design, tracks, Transcribing Audio or Video>
+<Podcast Production, connectedTo, Keyword Research>
+<Podcast Production, outlines, Videography>
+<Transcribing Audio or Video, creates, Audience Engagement>
+<Videography, connectedTo, Branding>
+<Voice Acting or Narration, reports, Copywriting>
+<Webinar Hosting, connectedTo, Podcast Production>
diff --git a/test/diagrams/graph_easy/diagrams_179.dot b/test/diagrams/graph_easy/diagrams_179.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d885240262c8b42c5474d038f3d7371da7b23f4b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_179.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Podcast Production" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N1 [label="Live Streaming Content" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N2 [label="Call to Action Design" color="#2196F3" fillcolor="#BBDEFB" shape=document style=filled]
+	N3 [label="Video Scripting" color="#64B5F6" fillcolor="#E3F2FD" shape=diamond style=filled]
+	N4 [label="Branding" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N5 [label="Fact_Checking" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N6 [label="Graphic Design" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N7 [label="Newsletter Creation" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N8 [label="Performance Tracking" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="narrates" dir=forward]
+	N4 -> N5 [color="#64B5F6" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="localizes" dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed label="records" dir=forward]
+	N2 -> N1 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N5 -> N3 [color="#2196F3" penwidth=1.5 style=dashed label="writes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_18.dot b/test/diagrams/graph_easy/diagrams_18.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ff7aeafe2756f20b1d40d5ee0e0aa2b6bf14e59c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_18.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Ticket Purchase" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N1 [label="Road Network Management" color="#7E57C2" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N2 [label="Air Traffic Control" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N3 [label="Tunnel Monitoring" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N4 [label="Security Check" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N5 [label="Driver Allocation" color="#7E57C2" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N6 [label="Route Diversion" color="#6FE1D5" fillcolor="#C9EFEC" shape=predefinedprocess style=filled]
+	N7 [label="Parking Management" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=dashed label="assigns" dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=solid label="lands" dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=solid label="diversifies" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#607D8B" penwidth=1.5 style=dashed label="insures" dir=forward]
+	N3 -> N2 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N5 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_18.txt b/test/diagrams/graph_easy/diagrams_18.txt
new file mode 100644
index 0000000000000000000000000000000000000000..64d48849028ea77248e7e4c0e774e96c8fe0a4e6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_18.txt
@@ -0,0 +1,9 @@
+<Air Traffic Control, lands, Tunnel Monitoring>
+<Driver Allocation, connectedTo, Road Network Management>
+<Driver Allocation, connectedTo, Route Diversion>
+<Road Network Management, assigns, Air Traffic Control>
+<Route Diversion, insures, Parking Management>
+<Security Check, repairs, Driver Allocation>
+<Ticket Purchase, surveys, Road Network Management>
+<Tunnel Monitoring, connectedTo, Air Traffic Control>
+<Tunnel Monitoring, diversifies, Security Check>
diff --git a/test/diagrams/graph_easy/diagrams_180.dot b/test/diagrams/graph_easy/diagrams_180.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c873ee6b3e45d980c4366d7a1d997853214a1490
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_180.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Newsletter Creation" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N1 [label="Content Localization" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N2 [label="Animation" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N3 [label="Content Repurposing" color="#42A5F5" fillcolor="#F1F8FF" shape=database style=filled]
+	N4 [label="Podcast Production" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N5 [label="Keyword Research" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N6 [label="Plagiarism Checking" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+	N7 [label="Research and Outline" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N8 [label="Editing and Proofreading" color="#42A5F5" fillcolor="#F1F8FF" shape=parallelogram style=filled]
+	N9 [label="Webinar Hosting" color="#42A5F5" fillcolor="#F1F8FF" shape=preparation style=filled]
+	N10 [label="Videography" color="#4FC3F7" fillcolor="#E1F5FE" shape=vnode_shape style=filled]
+	N11 [label="Distribution Planning" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="films" dir=forward]
+	N2 -> N3 [color="#42A5F5" penwidth=1.5 style=dashed label="collaborates" dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="promotes" dir=forward]
+	N5 -> N6 [color="#4FC3F7" penwidth=1.5 style=dashed label="writes" dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#4FC3F7" penwidth=1.5 style=solid label="ideates" dir=forward]
+	N9 -> N10 [color="#81C784" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N10 -> N11 [color="#81C784" penwidth=1.5 style=solid label="translates" dir=forward]
+	N11 -> N1 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N3 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_180.txt b/test/diagrams/graph_easy/diagrams_180.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f398f85ba67cc01a9494239e0df8858c02f85d5a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_180.txt
@@ -0,0 +1,13 @@
+<Animation, collaborates, Content Repurposing>
+<Content Localization, films, Animation>
+<Content Repurposing, connectedTo, Podcast Production>
+<Distribution Planning, connectedTo, Content Localization>
+<Editing and Proofreading, ideates, Webinar Hosting>
+<Keyword Research, writes, Plagiarism Checking>
+<Newsletter Creation, connectedTo, Content Localization>
+<Plagiarism Checking, connectedTo, Research and Outline>
+<Podcast Production, promotes, Keyword Research>
+<Research and Outline, connectedTo, Content Repurposing>
+<Research and Outline, connectedTo, Editing and Proofreading>
+<Videography, translates, Distribution Planning>
+<Webinar Hosting, reports, Videography>
diff --git a/test/diagrams/graph_easy/diagrams_181.dot b/test/diagrams/graph_easy/diagrams_181.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2da83933f30d0b5dfe9e8d30a739d1147ffb3aeb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_181.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Data Transformation" color="#D3EB9F" fillcolor="#F8FDD3" shape=predefinedprocess style=filled]
+	N1 [label="ETL Process Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
+	N2 [label="Risk Analytics" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N3 [label="HR Data Analytics" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N4 [label="Report Generation" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N5 [label="Sales Performance Analysis" color="#D3EB9F" fillcolor="#F8FDD3" shape=vnode_shape style=filled]
+	N6 [label="Time Series Forecasting" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N7 [label="Geospatial Analysis" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=dashed label="accesses" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="models" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="segments" dir=forward]
+	N3 -> N4 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=dashed label="collects" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N4 -> N7 [color="#CDDC39" penwidth=1.5 style=dashed label="mines" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_181.txt b/test/diagrams/graph_easy/diagrams_181.txt
new file mode 100644
index 0000000000000000000000000000000000000000..97c4f8464390b8bb2d159beec1b616189dd4b986
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_181.txt
@@ -0,0 +1,8 @@
+<Data Transformation, accesses, ETL Process Management>
+<ETL Process Management, models, Risk Analytics>
+<HR Data Analytics, connectedTo, Report Generation>
+<Report Generation, collects, Sales Performance Analysis>
+<Report Generation, mines, Geospatial Analysis>
+<Risk Analytics, segments, HR Data Analytics>
+<Sales Performance Analysis, connectedTo, Time Series Forecasting>
+<Time Series Forecasting, connectedTo, Geospatial Analysis>
diff --git a/test/diagrams/graph_easy/diagrams_182.dot b/test/diagrams/graph_easy/diagrams_182.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a01c6d025de81edbbd2756e41d41146bb2358d4d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_182.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Marketing Campaign Analysis" color="#388E3C" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N1 [label="Dashboard Creation" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+	N2 [label="Operational Efficiency Metrics" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+	N3 [label="Web Analytics" color="#388E3C" fillcolor="#C8E6C9" shape=inputoutput style=filled]
+	N4 [label="Data Pipeline Development" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N5 [label="Data Security Best Practices" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N6 [label="Prescriptive Analytics" color="#388E3C" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N7 [label="Customer Analytics" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+	N8 [label="Data Governance" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N9 [label="Financial Data Analysis" color="#00BCD4" fillcolor="#E0F7FA" shape=inputoutput style=filled]
+	N10 [label="Cloud_based Data Platforms" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N3 -> N4 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BCB88A" penwidth=1.5 style=solid label="transforms" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="correlates" dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=solid label="researches" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid label="mines" dir=forward]
+	N9 -> N10 [color="#BCB88A" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N4 -> N8 [color="#00BCD4" penwidth=1.5 style=solid label="accesses" dir=forward]
+	N9 -> N1 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_183.dot b/test/diagrams/graph_easy/diagrams_183.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9f7e0d24da294eb84b391d38a71d805946d8d679
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_183.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Data Quality Assurance" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N1 [label="Prescriptive Analytics" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N2 [label="Time Series Forecasting" color="#82DAFF" fillcolor="#C8EDFF" shape=rect style=filled]
+	N3 [label="Report Generation" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N4 [label="Data Warehouse Design" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N5 [label="Cloud_based Data Platforms" color="#82DAFF" fillcolor="#C8EDFF" shape=multipledocuments style=filled]
+	N6 [label="ETL Process Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=predefinedprocess style=filled]
+	N7 [label="Financial Data Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N8 [label="Machine Learning Integration" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N9 [label="Web Analytics" color="#A2D0FF" fillcolor="#E8F0FF" shape=inputoutput style=filled]
+	N10 [label="Customer Analytics" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N1 -> N2 [color="#82DAFF" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N2 -> N3 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N5 -> N6 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A2D0FF" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N10 -> N6 [color="#82DAFF" penwidth=1.5 style=solid label="researches" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_183.txt b/test/diagrams/graph_easy/diagrams_183.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e4c84c5baff8937ecb70c4b5be6eeade1e031df5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_183.txt
@@ -0,0 +1,11 @@
+<Cloud_based Data Platforms, connectedTo, ETL Process Management>
+<Customer Analytics, researches, ETL Process Management>
+<Data Quality Assurance, communicates, Prescriptive Analytics>
+<Data Warehouse Design, implements, Cloud_based Data Platforms>
+<ETL Process Management, secures, Financial Data Analysis>
+<Financial Data Analysis, connectedTo, Machine Learning Integration>
+<Machine Learning Integration, connectedTo, Web Analytics>
+<Prescriptive Analytics, cleans, Time Series Forecasting>
+<Report Generation, visualizes, Data Warehouse Design>
+<Time Series Forecasting, connectedTo, Report Generation>
+<Web Analytics, connectedTo, Customer Analytics>
diff --git a/test/diagrams/graph_easy/diagrams_184.dot b/test/diagrams/graph_easy/diagrams_184.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1108772d3f8c1d06125e6ca30c37244ed1c8e135
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_184.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Strategic Planning Support" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N1 [label="BI Platform Administration" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N2 [label="Data Mart Design" color="#388E3C" fillcolor="#F1F8E9" shape=database style=filled]
+	N3 [label="Regulatory Compliance Reporting" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N4 [label="Master Data Management" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N5 [label="Sales Forecasting" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N6 [label="Mobile BI Development" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N7 [label="HR Analytics Dashboards" color="#7E57C2" fillcolor="#D1C4E9" shape=document style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N6 -> N7 [color="#673AB7" penwidth=1.5 style=dashed label="presents" dir=forward]
+	N1 -> N3 [color="#7E57C2" penwidth=1.5 style=solid label="insights" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_184.txt b/test/diagrams/graph_easy/diagrams_184.txt
new file mode 100644
index 0000000000000000000000000000000000000000..147dfdb3507d122a7449fe4c12ebc96163c27b4f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_184.txt
@@ -0,0 +1,8 @@
+<BI Platform Administration, connectedTo, Data Mart Design>
+<BI Platform Administration, insights, Regulatory Compliance Reporting>
+<Data Mart Design, connectedTo, Regulatory Compliance Reporting>
+<Master Data Management, connectedTo, Sales Forecasting>
+<Mobile BI Development, presents, HR Analytics Dashboards>
+<Regulatory Compliance Reporting, connectedTo, Master Data Management>
+<Sales Forecasting, integrates, Mobile BI Development>
+<Strategic Planning Support, connectedTo, BI Platform Administration>
diff --git a/test/diagrams/graph_easy/diagrams_185.dot b/test/diagrams/graph_easy/diagrams_185.dot
new file mode 100644
index 0000000000000000000000000000000000000000..47f2550fb0de3d45c9979b3d7c67df0dde09367f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_185.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="OLAP Cube Creation" color="#FFCC7A" fillcolor="#FFF6D9" shape=database style=filled]
+	N1 [label="Data Storytelling for Business" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N2 [label="Data Quality Management" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N3 [label="Data Source Integration" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+	N4 [label="Performance Monitoring" color="#388E3C" fillcolor="#C8E6C9" shape=action style=filled]
+	N5 [label="User Training and Support" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+	N6 [label="Dashboard Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=predefinedprocess style=filled]
+	N7 [label="HR Analytics Dashboards" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="trains" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="compares" dir=forward]
+	N0 -> N4 [color="#FFCC7A" penwidth=1.5 style=solid label="OLAPs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_185.txt b/test/diagrams/graph_easy/diagrams_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..764806ae88c412a2c8aff88cda79bfd29a87db03
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_185.txt
@@ -0,0 +1,8 @@
+<Dashboard Design, compares, HR Analytics Dashboards>
+<Data Quality Management, connectedTo, Data Source Integration>
+<Data Source Integration, monitors, Performance Monitoring>
+<Data Storytelling for Business, connectedTo, Data Quality Management>
+<OLAP Cube Creation, OLAPs, Performance Monitoring>
+<OLAP Cube Creation, connectedTo, Data Storytelling for Business>
+<Performance Monitoring, connectedTo, User Training and Support>
+<User Training and Support, trains, Dashboard Design>
diff --git a/test/diagrams/graph_easy/diagrams_186.txt b/test/diagrams/graph_easy/diagrams_186.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f2ae56c0108a9c8fce505c74a4efe5970641134b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_186.txt
@@ -0,0 +1,10 @@
+<Business Process Improvement, connectedTo, Risk Assessment Reporting>
+<Data Mart Design, connectedTo, Business Process Improvement>
+<Data Modeling, ETLs, Supply Chain Optimization>
+<Data Security in BI, dashboards, Market Trend Analysis>
+<Data Source Integration, connectedTo, Data Mart Design>
+<Operational Efficiency Measurement, connectedTo, Data Security in BI>
+<Risk Assessment Reporting, connectedTo, Operational Efficiency Measurement>
+<Strategic Planning Support, complies, Supply Chain Optimization>
+<Strategic Planning Support, tracks, Data Modeling>
+<Supply Chain Optimization, connectedTo, Data Source Integration>
diff --git a/test/diagrams/graph_easy/diagrams_187.dot b/test/diagrams/graph_easy/diagrams_187.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c69aeb8e319192a27ef94526a48c025e5be5c623
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_187.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Marketing Budget Allocation" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N1 [label="Campaign Performance Tracking" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N2 [label="Video Marketing" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N3 [label="Customer Relationship Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N4 [label="Conversion Rate Optimization" color="#FF8A65" fillcolor="#FBE9E7" shape=inputoutput style=filled]
+	N5 [label="Telemarketing" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N6 [label="Email Marketing" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+	N7 [label="Affiliate Marketing" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N8 [label="Mobile Marketing" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#FF8A65" penwidth=1.5 style=solid label="optimizes conversions" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid label="enhances experiences" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="researches" dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=solid label="builds loyalty" dir=forward]
+	N4 -> N5 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="direct mail" dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=solid label="podcast marketing" dir=forward]
+	N7 -> N6 [color="#000000" penwidth=1.5 style=solid label="tele_sells" dir=forward]
+	N6 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_187.txt b/test/diagrams/graph_easy/diagrams_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..71e108aeff6964bdf85eda904913ce2a45a46173
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_187.txt
@@ -0,0 +1,10 @@
+<Affiliate Marketing, podcast marketing, Mobile Marketing>
+<Affiliate Marketing, tele_sells, Email Marketing>
+<Campaign Performance Tracking, enhances experiences, Video Marketing>
+<Conversion Rate Optimization, connectedTo, Telemarketing>
+<Customer Relationship Management, builds loyalty, Conversion Rate Optimization>
+<Email Marketing, connectedTo, Affiliate Marketing>
+<Email Marketing, connectedTo, Video Marketing>
+<Marketing Budget Allocation, optimizes conversions, Campaign Performance Tracking>
+<Telemarketing, direct mail, Email Marketing>
+<Video Marketing, researches, Customer Relationship Management>
diff --git a/test/diagrams/graph_easy/diagrams_188.dot b/test/diagrams/graph_easy/diagrams_188.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1218781379785420a2ce9654311678e37881937c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_188.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Brand Reputation Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=rectangle style=filled]
+	N1 [label="Influencer Marketing" color="#A188D0" fillcolor="#DACBE3" shape=preparation style=filled]
+	N2 [label="Brand Strategy Development" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N3 [label="Lead Generation" color="#4FC3F7" fillcolor="#E1F5FE" shape=database style=filled]
+	N4 [label="Content Marketing" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N5 [label="Promotional Campaigns" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N6 [label="Marketing Analytics" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N7 [label="Email Marketing" color="#A188D0" fillcolor="#DACBE3" shape=hexagon style=filled]
+	N8 [label="Product Launch Strategy" color="#A188D0" fillcolor="#DACBE3" shape=inputoutput style=filled]
+	N9 [label="Campaign Performance Tracking" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=dashed label="direct mail" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="monitors competitors" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=dashed label="influences" dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=dashed label="distributes products" dir=forward]
+	N7 -> N8 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="generates leads" dir=forward]
+	N3 -> N0 [color="#A188D0" penwidth=1.5 style=solid label="creates content" dir=forward]
+	N5 -> N2 [color="#4FC3F7" penwidth=1.5 style=solid label="launches campaigns" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_188.txt b/test/diagrams/graph_easy/diagrams_188.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d23f5d3b8d5e3ebd5a1240255d179f6a0edfde52
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_188.txt
@@ -0,0 +1,11 @@
+<Brand Reputation Management, connectedTo, Influencer Marketing>
+<Brand Strategy Development, connectedTo, Lead Generation>
+<Content Marketing, connectedTo, Promotional Campaigns>
+<Email Marketing, connectedTo, Product Launch Strategy>
+<Influencer Marketing, direct mail, Brand Strategy Development>
+<Lead Generation, creates content, Brand Reputation Management>
+<Lead Generation, monitors competitors, Content Marketing>
+<Marketing Analytics, distributes products, Email Marketing>
+<Product Launch Strategy, generates leads, Campaign Performance Tracking>
+<Promotional Campaigns, influences, Marketing Analytics>
+<Promotional Campaigns, launches campaigns, Brand Strategy Development>
diff --git a/test/diagrams/graph_easy/diagrams_189.dot b/test/diagrams/graph_easy/diagrams_189.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ce4ba18d09d831d35b7249e8359c5c1d3c3499ee
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_189.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Brand Reputation Management" color="#AED581" fillcolor="#F0F4C3" shape=document style=filled]
+	N1 [label="Marketing Budget Allocation" color="#AED581" fillcolor="#F0F4C3" shape=vnode_shape style=filled]
+	N2 [label="Campaign Performance Tracking" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+	N3 [label="Customer Relationship Management" color="#AB47BC" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N4 [label="Conversion Rate Optimization" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N5 [label="Social Media Marketing" color="#A188D0" fillcolor="#DACBE3" shape=action style=filled]
+	N6 [label="Influencer Marketing" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N7 [label="Loyalty Programs" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N8 [label="Partnership Marketing" color="#AED581" fillcolor="#F0F4C3" shape=vnode_shape style=filled]
+	N9 [label="Podcast Marketing" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=dashed label="promotes sales" dir=forward]
+	N1 -> N2 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="handles PR" dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="personalizes content" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="influences" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="distributes products" dir=forward]
+	N8 -> N9 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N5 -> N3 [color="#AB47BC" penwidth=1.5 style=solid label="tele_sells" dir=forward]
+	N9 -> N6 [color="#AED581" penwidth=1.5 style=solid label="video marketing" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_189.txt b/test/diagrams/graph_easy/diagrams_189.txt
new file mode 100644
index 0000000000000000000000000000000000000000..edb3fefdee2b2cf833dac9e89ea3b69c2f2c440e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_189.txt
@@ -0,0 +1,11 @@
+<Brand Reputation Management, promotes sales, Marketing Budget Allocation>
+<Campaign Performance Tracking, connectedTo, Customer Relationship Management>
+<Conversion Rate Optimization, connectedTo, Social Media Marketing>
+<Customer Relationship Management, handles PR, Conversion Rate Optimization>
+<Influencer Marketing, influences, Loyalty Programs>
+<Loyalty Programs, distributes products, Partnership Marketing>
+<Marketing Budget Allocation, connectedTo, Campaign Performance Tracking>
+<Partnership Marketing, connectedTo, Podcast Marketing>
+<Podcast Marketing, video marketing, Influencer Marketing>
+<Social Media Marketing, personalizes content, Influencer Marketing>
+<Social Media Marketing, tele_sells, Customer Relationship Management>
diff --git a/test/diagrams/graph_easy/diagrams_19.dot b/test/diagrams/graph_easy/diagrams_19.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ddc6dd01d69bfbc28f75bf0b7971c945f7a993e1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_19.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Power Backup" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N1 [label="Energy Trading" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N2 [label="Load Distribution" color="#42A5F5" fillcolor="#F1F8FF" shape=preparation style=filled]
+	N3 [label="Renewable Integration" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N4 [label="Grid Balancing" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	N5 [label="Generator Check" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N6 [label="Usage Billing" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N7 [label="Wind Turbine Monitoring" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N8 [label="Fuel Delivery" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#42A5F5" penwidth=1.5 style=solid label="detects" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=dashed label="installs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="models" dir=forward]
+	N7 -> N8 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N7 [color="#BCB88A" penwidth=1.5 style=solid label="distributes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_19.txt b/test/diagrams/graph_easy/diagrams_19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b31a6681fa54be038cd10429ed563670af76a63
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_19.txt
@@ -0,0 +1,9 @@
+<Energy Trading, detects, Load Distribution>
+<Generator Check, connectedTo, Usage Billing>
+<Grid Balancing, distributes, Wind Turbine Monitoring>
+<Grid Balancing, installs, Generator Check>
+<Load Distribution, connectedTo, Renewable Integration>
+<Power Backup, connectedTo, Energy Trading>
+<Renewable Integration, connectedTo, Grid Balancing>
+<Usage Billing, models, Wind Turbine Monitoring>
+<Wind Turbine Monitoring, connectedTo, Fuel Delivery>
diff --git a/test/diagrams/graph_easy/diagrams_190.dot b/test/diagrams/graph_easy/diagrams_190.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2cb65ff2067e9487345c1e99bbf2aeae668077b6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_190.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Psychographic Targeting" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N1 [label="Programmatic Advertising" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N2 [label="Return on Ad Spend Calculation" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N3 [label="Demographic Targeting" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N4 [label="Media Buying" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N5 [label="A or B Testing for Ads" color="#61CAC3" fillcolor="#C2E8E6" shape=inputoutput style=filled]
+	N6 [label="Native Advertising" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N7 [label="Visual Design for Ads" color="#DCE775" fillcolor="#FCFCE7" shape=inputoutput style=filled]
+	N8 [label="Privacy Concerns in Ads" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="creates ads" dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed label="selects platforms" dir=forward]
+	N4 -> N5 [color="#DCE775" penwidth=1.5 style=dashed label="television ads" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=dashed label="detects fraud" dir=forward]
+	N1 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed label="buys media" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_190.txt b/test/diagrams/graph_easy/diagrams_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ef959bc2ef127f77b3c1a2df58fdff7393626f7c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_190.txt
@@ -0,0 +1,9 @@
+<A or B Testing for Ads, connectedTo, Native Advertising>
+<Demographic Targeting, selects platforms, Media Buying>
+<Media Buying, television ads, A or B Testing for Ads>
+<Native Advertising, connectedTo, Visual Design for Ads>
+<Programmatic Advertising, buys media, Demographic Targeting>
+<Programmatic Advertising, connectedTo, Return on Ad Spend Calculation>
+<Psychographic Targeting, connectedTo, Programmatic Advertising>
+<Return on Ad Spend Calculation, creates ads, Demographic Targeting>
+<Visual Design for Ads, detects fraud, Privacy Concerns in Ads>
diff --git a/test/diagrams/graph_easy/diagrams_191.dot b/test/diagrams/graph_easy/diagrams_191.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ac82c02d8eac0fba3d7b7f785c83fdd2c07dc507
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_191.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Video Advertising" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N1 [label="Direct Response Campaigns" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N2 [label="Privacy Concerns in Ads" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N3 [label="Print Advertising" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N4 [label="Geo_Targeting" color="#00BCD4" fillcolor="#B2EBF2" shape=inputoutput style=filled]
+	N5 [label="Search Engine Ads" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+	N6 [label="Interactive Ad Formats" color="#00BCD4" fillcolor="#B2EBF2" shape=vnode_shape style=filled]
+	N7 [label="Audience Segmentation for Ads" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N8 [label="Native Advertising" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+	N9 [label="Programmatic Advertising" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#AED581" penwidth=1.5 style=dashed label="targets psychographics" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed label="segments audiences" dir=forward]
+	N3 -> N4 [color="#AED581" penwidth=1.5 style=solid label="display ads" dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=solid label="implements retargeting" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid label="generates responses" dir=forward]
+	N1 -> N7 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_191.txt b/test/diagrams/graph_easy/diagrams_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b2b261a148bacc85d092d666144270b28de92104
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_191.txt
@@ -0,0 +1,10 @@
+<Audience Segmentation for Ads, connectedTo, Native Advertising>
+<Direct Response Campaigns, connectedTo, Audience Segmentation for Ads>
+<Direct Response Campaigns, targets psychographics, Privacy Concerns in Ads>
+<Geo_Targeting, implements retargeting, Search Engine Ads>
+<Interactive Ad Formats, connectedTo, Audience Segmentation for Ads>
+<Native Advertising, generates responses, Programmatic Advertising>
+<Print Advertising, display ads, Geo_Targeting>
+<Privacy Concerns in Ads, segments audiences, Print Advertising>
+<Search Engine Ads, connectedTo, Interactive Ad Formats>
+<Video Advertising, connectedTo, Direct Response Campaigns>
diff --git a/test/diagrams/graph_easy/diagrams_192.dot b/test/diagrams/graph_easy/diagrams_192.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a9d8e3b3d062f8975a79e4e33c09676809978c92
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_192.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Ad Creative Development" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N1 [label="A or B Testing for Ads" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N2 [label="Audience Segmentation for Ads" color="#FFB2A5" fillcolor="#FFDCD6" shape=preparation style=filled]
+	N3 [label="Video Advertising" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N4 [label="Budget Management" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N5 [label="Direct Response Campaigns" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N6 [label="Competitor Ad Analysis" color="#9C27B0" fillcolor="#E1BEE7" shape=preparation style=filled]
+	N7 [label="Customer Acquisition Cost Analysis" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+	N8 [label="Privacy Concerns in Ads" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N0 -> N1 [color="#FFDA4E" penwidth=1.5 style=solid label="tracks performance" dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid label="buys media" dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="writes copy" dir=forward]
+	N4 -> N5 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFB2A5" penwidth=1.5 style=solid label="manages budgets" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="creates landing pages" dir=forward]
+	N2 -> N6 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_192.txt b/test/diagrams/graph_easy/diagrams_192.txt
new file mode 100644
index 0000000000000000000000000000000000000000..131d20537601be24a3d58c890f5ee5cf62a9e7bb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_192.txt
@@ -0,0 +1,9 @@
+<A or B Testing for Ads, buys media, Audience Segmentation for Ads>
+<Ad Creative Development, tracks performance, A or B Testing for Ads>
+<Audience Segmentation for Ads, connectedTo, Competitor Ad Analysis>
+<Audience Segmentation for Ads, connectedTo, Video Advertising>
+<Budget Management, connectedTo, Direct Response Campaigns>
+<Competitor Ad Analysis, manages budgets, Customer Acquisition Cost Analysis>
+<Customer Acquisition Cost Analysis, creates landing pages, Privacy Concerns in Ads>
+<Direct Response Campaigns, connectedTo, Competitor Ad Analysis>
+<Video Advertising, writes copy, Budget Management>
diff --git a/test/diagrams/graph_easy/diagrams_193.dot b/test/diagrams/graph_easy/diagrams_193.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6591df6bc9f65f07205266b2073e81cc0af3006c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_193.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Non_Fungible Token Creation" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N1 [label="Distributed Ledger Technology" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N2 [label="Scalability Solutions" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N3 [label="Oracles Integration" color="#26A69A" fillcolor="#E0F2F1" shape=rect style=filled]
+	N4 [label="Wallet Management" color="#26A69A" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N5 [label="Cryptographic Hashing" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N6 [label="Sidechains and Layer 2 Solutions" color="#A1D7CD" fillcolor="#EDF5F3" shape=database style=filled]
+	N7 [label="Security Auditing for Blockchains" color="#00BCD4" fillcolor="#E0F7FA" shape=inputoutput style=filled]
+	N8 [label="Voting Systems on Blockchain" color="#00BCD4" fillcolor="#E0F7FA" shape=rectangle style=filled]
+	N9 [label="Cross_Border Payments" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#26A69A" penwidth=1.5 style=dashed label="implements sharding" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A1D7CD" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="implements algorithms" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A1D7CD" penwidth=1.5 style=solid label="uses ZKPs" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#A1D7CD" penwidth=1.5 style=solid label="processes payments" dir=forward]
+	N4 -> N0 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N9 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_193.txt b/test/diagrams/graph_easy/diagrams_193.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76c83784af625b34efc57ff52a0195c0875eaaff
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_193.txt
@@ -0,0 +1,11 @@
+<Cryptographic Hashing, connectedTo, Sidechains and Layer 2 Solutions>
+<Distributed Ledger Technology, implements sharding, Scalability Solutions>
+<Non_Fungible Token Creation, connectedTo, Distributed Ledger Technology>
+<Oracles Integration, ensures compliance, Wallet Management>
+<Scalability Solutions, connectedTo, Oracles Integration>
+<Security Auditing for Blockchains, connectedTo, Voting Systems on Blockchain>
+<Sidechains and Layer 2 Solutions, uses ZKPs, Security Auditing for Blockchains>
+<Voting Systems on Blockchain, processes payments, Cross_Border Payments>
+<Wallet Management, connectedTo, Cross_Border Payments>
+<Wallet Management, connectedTo, Non_Fungible Token Creation>
+<Wallet Management, implements algorithms, Cryptographic Hashing>
diff --git a/test/diagrams/graph_easy/diagrams_194.dot b/test/diagrams/graph_easy/diagrams_194.dot
new file mode 100644
index 0000000000000000000000000000000000000000..30abdc0b4536a2542cedac263c6acc9050116989
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_194.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Cross_Chain Bridges" color="#9FA9E1" fillcolor="#D6D9F0" shape=predefinedprocess style=filled]
+	N1 [label="Oracles Integration" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N2 [label="Mining Operations" color="#9FA9E1" fillcolor="#D6D9F0" shape=multipledocuments style=filled]
+	N3 [label="Decentralized Applications Development" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N4 [label="Wallet Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+	N5 [label="Initial Coin Offerings" color="#DCE775" fillcolor="#FCFCE7" shape=rect style=filled]
+	N6 [label="Transaction Verification" color="#A1887F" fillcolor="#EFEBE9" shape=multipledocuments style=filled]
+	N7 [label="Cryptographic Hashing" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N8 [label="Tokenomics Design" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N9 [label="Regulatory Compliance for Blockchain" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N10 [label="Enterprise Blockchain Solutions" color="#A1887F" fillcolor="#EFEBE9" shape=multipledocuments style=filled]
+	N11 [label="Public Blockchain Deployment" color="#A1887F" fillcolor="#EFEBE9" shape=database style=filled]
+	N0 -> N1 [color="#9FA9E1" penwidth=1.5 style=dashed label="enables voting" dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=dashed label="sets up environments" dir=forward]
+	N2 -> N3 [color="#A1887F" penwidth=1.5 style=solid label="develops DApps" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed label="scales systems" dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=dashed label="educates users" dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9FA9E1" penwidth=1.5 style=solid label="manages real estate" dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="integrates systems" dir=forward]
+	N0 -> N10 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N9 [color="#9FA9E1" penwidth=1.5 style=solid label="operates nodes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_194.txt b/test/diagrams/graph_easy/diagrams_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9adfa075244925a914e53ebb8bc0ac2feb851f28
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_194.txt
@@ -0,0 +1,13 @@
+<Cross_Chain Bridges, connectedTo, Enterprise Blockchain Solutions>
+<Cross_Chain Bridges, enables voting, Oracles Integration>
+<Cryptographic Hashing, connectedTo, Tokenomics Design>
+<Decentralized Applications Development, operates nodes, Regulatory Compliance for Blockchain>
+<Decentralized Applications Development, scales systems, Wallet Management>
+<Enterprise Blockchain Solutions, integrates systems, Public Blockchain Deployment>
+<Initial Coin Offerings, connectedTo, Transaction Verification>
+<Mining Operations, develops DApps, Decentralized Applications Development>
+<Oracles Integration, sets up environments, Mining Operations>
+<Regulatory Compliance for Blockchain, connectedTo, Enterprise Blockchain Solutions>
+<Tokenomics Design, connectedTo, Regulatory Compliance for Blockchain>
+<Transaction Verification, manages real estate, Cryptographic Hashing>
+<Wallet Management, educates users, Initial Coin Offerings>
diff --git a/test/diagrams/graph_easy/diagrams_195.dot b/test/diagrams/graph_easy/diagrams_195.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7b8375cdcfcde8885a5e013a996371c6ec4373a4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_195.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Non_Fungible Token Creation" color="#A1D7CD" fillcolor="#EDF5F3" shape=predefinedprocess style=filled]
+	N1 [label="Distributed Ledger Technology" color="#FFC107" fillcolor="#FFECB3" shape=parallelogram style=filled]
+	N2 [label="Voting Systems on Blockchain" color="#FFC107" fillcolor="#FFECB3" shape=action style=filled]
+	N3 [label="Interoperability Solutions" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N4 [label="Tokenomics Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N5 [label="Cross_Chain Bridges" color="#FFC107" fillcolor="#FFECB3" shape=document style=filled]
+	N6 [label="Security Token Offerings" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N7 [label="Smart Contract Development" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N8 [label="Private Blockchain Implementation" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N9 [label="Decentralized Network Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid label="powers games" dir=forward]
+	N1 -> N2 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="distributes ledgers" dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=solid label="performs KYCs" dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=dashed label="builds enterprise solutions" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="creates bridges" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N3 [color="#FFD54F" penwidth=1.5 style=dashed label="launches STOs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_195.txt b/test/diagrams/graph_easy/diagrams_195.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a6486b66905d2b83828f5d5bc3cef50f275e2df
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_195.txt
@@ -0,0 +1,10 @@
+<Cross_Chain Bridges, performs KYCs, Security Token Offerings>
+<Decentralized Network Design, launches STOs, Interoperability Solutions>
+<Distributed Ledger Technology, connectedTo, Voting Systems on Blockchain>
+<Interoperability Solutions, connectedTo, Tokenomics Design>
+<Non_Fungible Token Creation, powers games, Distributed Ledger Technology>
+<Private Blockchain Implementation, connectedTo, Decentralized Network Design>
+<Security Token Offerings, builds enterprise solutions, Smart Contract Development>
+<Smart Contract Development, creates bridges, Private Blockchain Implementation>
+<Tokenomics Design, distributes ledgers, Cross_Chain Bridges>
+<Voting Systems on Blockchain, connectedTo, Interoperability Solutions>
diff --git a/test/diagrams/graph_easy/diagrams_196.dot b/test/diagrams/graph_easy/diagrams_196.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5d22f1e240c3bd76f17ac19a7d45ccb093f63031
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_196.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Lending and Borrowing Protocols" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N1 [label="Fiat On or Off Ramps" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N2 [label="Portfolio Management" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N3 [label="Hot Wallet Security" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N4 [label="Venture Capital Funding" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N5 [label="Wallet Development" color="#AABEC6" fillcolor="#E0E6E9" shape=multipledocuments style=filled]
+	N6 [label="Custodial Services" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N7 [label="Smart Contract Auditing" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N8 [label="Airdrop Campaigns" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N0 -> N1 [color="#90A4AE" penwidth=1.5 style=solid label="custodies assets" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="manages TGEs" dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="secures private keys" dir=forward]
+	N4 -> N5 [color="#AABEC6" penwidth=1.5 style=dashed label="stakes assets" dir=forward]
+	N5 -> N6 [color="#90A4AE" penwidth=1.5 style=dashed label="processes transactions" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="distributes airdrops" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N7 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N3 [color="#AABEC6" penwidth=1.5 style=dashed label="develops exchanges" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_196.txt b/test/diagrams/graph_easy/diagrams_196.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5ec91a188f5d25a67533ae496416d4e8a3f7cf3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_196.txt
@@ -0,0 +1,10 @@
+<Custodial Services, distributes airdrops, Smart Contract Auditing>
+<Fiat On or Off Ramps, develops exchanges, Hot Wallet Security>
+<Fiat On or Off Ramps, manages TGEs, Portfolio Management>
+<Hot Wallet Security, secures private keys, Venture Capital Funding>
+<Lending and Borrowing Protocols, custodies assets, Fiat On or Off Ramps>
+<Portfolio Management, connectedTo, Hot Wallet Security>
+<Portfolio Management, connectedTo, Smart Contract Auditing>
+<Smart Contract Auditing, connectedTo, Airdrop Campaigns>
+<Venture Capital Funding, stakes assets, Wallet Development>
+<Wallet Development, processes transactions, Custodial Services>
diff --git a/test/diagrams/graph_easy/diagrams_197.dot b/test/diagrams/graph_easy/diagrams_197.dot
new file mode 100644
index 0000000000000000000000000000000000000000..521327c3d5c5a8152c10a8b6a9c107d31d34b5d6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_197.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Legal Advisory for Crypto" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N1 [label="Smart Contract Auditing" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N2 [label="Lending and Borrowing Protocols" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N3 [label="Exchange Listing" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N4 [label="Initial Exchange Offering" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N5 [label="Custodial Services" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N6 [label="Transaction Processing" color="#FFF176" fillcolor="#FFFDE7" shape=rect style=filled]
+	N7 [label="Interoperability Solutions" color="#FFF176" fillcolor="#FFFDE7" shape=document style=filled]
+	N8 [label="Regulatory Compliance" color="#FF8A65" fillcolor="#FBE9E7" shape=action style=filled]
+	N9 [label="Hot Wallet Security" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N10 [label="Blockchain Explorers" color="#A188D0" fillcolor="#DACBE3" shape=preparation style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A188D0" penwidth=1.5 style=dashed label="enables swaps" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="generates yield" dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=solid label="lists assets" dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=solid label="processes transactions" dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=dashed label="secures private keys" dir=forward]
+	N8 -> N9 [color="#FFF176" penwidth=1.5 style=dashed label="borrows capital" dir=forward]
+	N9 -> N10 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N1 [color="#A188D0" penwidth=1.5 style=dashed label="stakes assets" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_197.txt b/test/diagrams/graph_easy/diagrams_197.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9fda9284aeb746661fe37412ff8d5c9ae286696e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_197.txt
@@ -0,0 +1,11 @@
+<Custodial Services, lists assets, Transaction Processing>
+<Exchange Listing, connectedTo, Initial Exchange Offering>
+<Hot Wallet Security, connectedTo, Blockchain Explorers>
+<Initial Exchange Offering, connectedTo, Custodial Services>
+<Interoperability Solutions, secures private keys, Regulatory Compliance>
+<Interoperability Solutions, stakes assets, Smart Contract Auditing>
+<Legal Advisory for Crypto, connectedTo, Smart Contract Auditing>
+<Lending and Borrowing Protocols, generates yield, Exchange Listing>
+<Regulatory Compliance, borrows capital, Hot Wallet Security>
+<Smart Contract Auditing, enables swaps, Lending and Borrowing Protocols>
+<Transaction Processing, processes transactions, Interoperability Solutions>
diff --git a/test/diagrams/graph_easy/diagrams_198.dot b/test/diagrams/graph_easy/diagrams_198.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d87e4cf45e5080026d3e46fc10c1d37dc2779579
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_198.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Legal Advisory for Crypto" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N1 [label="Community Building" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N2 [label="Initial Exchange Offering" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N3 [label="Exchange Listing" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N4 [label="Cold Storage Solutions" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N5 [label="Key Management" color="#80DDEA" fillcolor="#D3F7F9" shape=rect style=filled]
+	N6 [label="Tax Reporting for Crypto" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N7 [label="GameFi Development" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N8 [label="Venture Capital Funding" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N9 [label="Web3 Integration" color="#F44336" fillcolor="#FFCDD2" shape=rectangle style=filled]
+	N0 -> N1 [color="#B8C0F5" penwidth=1.5 style=solid label="calculates taxes" dir=forward]
+	N1 -> N2 [color="#B8C0F5" penwidth=1.5 style=dashed label="audits security" dir=forward]
+	N2 -> N3 [color="#B8C0F5" penwidth=1.5 style=solid label="processes transactions" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="borrows capital" dir=forward]
+	N4 -> N5 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="manages portfolios" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="provides liquidity" dir=forward]
+	N2 -> N8 [color="#F44336" penwidth=1.5 style=solid label="develops GameFi" dir=forward]
+	N2 -> N5 [color="#000000" penwidth=1.5 style=solid label="lends funds" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_199.dot b/test/diagrams/graph_easy/diagrams_199.dot
new file mode 100644
index 0000000000000000000000000000000000000000..73111701a381bcdbcad3e1d687454ad81f708b58
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_199.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Press Outreach" color="#9C27B0" fillcolor="#E1BEE7" shape=rectangle style=filled]
+	N1 [label="Legal Compliance" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N2 [label="Email List Building" color="#FFE69C" fillcolor="#FFF9D4" shape=predefinedprocess style=filled]
+	N3 [label="Community Building" color="#A1D7CD" fillcolor="#EDF5F3" shape=action style=filled]
+	N4 [label="Marketing Strategy" color="#9C27B0" fillcolor="#E1BEE7" shape=predefinedprocess style=filled]
+	N5 [label="Investor Relations" color="#FFE69C" fillcolor="#FFF9D4" shape=predefinedprocess style=filled]
+	N6 [label="Goal Setting" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N7 [label="Real Estate Crowdfunding" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N8 [label="Securities Regulations Adherence" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N9 [label="Social Media Promotion" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="promotes campaigns" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="manages backers" dir=forward]
+	N2 -> N3 [color="#9C27B0" penwidth=1.5 style=solid label="handles logistics" dir=forward]
+	N3 -> N4 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="communicates updates" dir=forward]
+	N5 -> N6 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#A1D7CD" penwidth=1.5 style=solid label="sets goals" dir=forward]
+	N6 -> N2 [color="#FFE69C" penwidth=1.5 style=solid label="facilitates equity" dir=forward]
+	N3 -> N0 [color="#9C27B0" penwidth=1.5 style=solid label="selects platforms" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_199.txt b/test/diagrams/graph_easy/diagrams_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72d64565484dec1ebd4afce857d9c04b7838e0e9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_199.txt
@@ -0,0 +1,11 @@
+<Community Building, connectedTo, Marketing Strategy>
+<Community Building, selects platforms, Press Outreach>
+<Email List Building, handles logistics, Community Building>
+<Goal Setting, connectedTo, Real Estate Crowdfunding>
+<Goal Setting, facilitates equity, Email List Building>
+<Investor Relations, connectedTo, Goal Setting>
+<Legal Compliance, manages backers, Email List Building>
+<Marketing Strategy, communicates updates, Investor Relations>
+<Press Outreach, promotes campaigns, Legal Compliance>
+<Real Estate Crowdfunding, connectedTo, Securities Regulations Adherence>
+<Securities Regulations Adherence, sets goals, Social Media Promotion>
diff --git a/test/diagrams/graph_easy/diagrams_2.dot b/test/diagrams/graph_easy/diagrams_2.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c665c5c66038bb94d2566f290a401080431da99b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_2.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Credit Scoring" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N1 [label="Merger and Acquisition" color="#FFB74D" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N2 [label="Treasury Management" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N3 [label="Transaction Audit" color="#FFB74D" fillcolor="#FFF3E0" shape=action style=filled]
+	N4 [label="Account Closure" color="#FFB74D" fillcolor="#FFF3E0" shape=action style=filled]
+	N5 [label="Risk Assessment" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N6 [label="Approval Decision" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N7 [label="Underwriting" color="#FFB74D" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N8 [label="Financial Advisory" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed label="calculates" dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=solid label="advises" dir=forward]
+	N4 -> N5 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="disburses" dir=forward]
+	N8 -> N7 [color="#FFB74D" penwidth=1.5 style=dashed label="evaluates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_2.txt b/test/diagrams/graph_easy/diagrams_2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0154eb35ae1634a415b73fcee8855ffb0853e197
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_2.txt
@@ -0,0 +1,9 @@
+<Account Closure, connectedTo, Risk Assessment>
+<Approval Decision, connectedTo, Underwriting>
+<Credit Scoring, connectedTo, Merger and Acquisition>
+<Financial Advisory, evaluates, Underwriting>
+<Merger and Acquisition, monitors, Treasury Management>
+<Risk Assessment, connectedTo, Approval Decision>
+<Transaction Audit, advises, Account Closure>
+<Treasury Management, calculates, Transaction Audit>
+<Underwriting, disburses, Financial Advisory>
diff --git a/test/diagrams/graph_easy/diagrams_200.dot b/test/diagrams/graph_easy/diagrams_200.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ce34ac070ba4d533e622ce7712d08c926e5ccdbb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_200.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Equity Crowdfunding" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N1 [label="Success Fee Structures" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N2 [label="Real Estate Crowdfunding" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N3 [label="Investor Relations" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N4 [label="Debt Crowdfunding" color="#FF5722" fillcolor="#FFCCBC" shape=rect style=filled]
+	N5 [label="Product Development Lifecycle" color="#7E57C2" fillcolor="#EDE7F6" shape=database style=filled]
+	N6 [label="Securities Regulations Adherence" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N7 [label="Post_Campaign Reporting" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=solid label="adheres to regulations" dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=solid label="attracts investors" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid label="calculates taxes" dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=solid label="updates progress" dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#D3EB9F" penwidth=1.5 style=solid label="sets goals" dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="handles logistics" dir=forward]
+	N7 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_202.dot b/test/diagrams/graph_easy/diagrams_202.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3a5c92a5d9af1d9e160d27af75c1c9732694a312
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_202.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Sensor Integration" color="#61CAC3" fillcolor="#C2E8E6" shape=action style=filled]
+	N1 [label="Supply Chain Optimization" color="#4285F4" fillcolor="#D0E0F8" shape=rect style=filled]
+	N2 [label="Data Analysis in Cloud" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N3 [label="API Development for IoT" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N4 [label="Agricultural IoT" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N5 [label="Gateway Development" color="#4285F4" fillcolor="#D0E0F8" shape=database style=filled]
+	N6 [label="IoT Device Certification" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N7 [label="Smart Home Devices" color="#4285F4" fillcolor="#D0E0F8" shape=preparation style=filled]
+	N8 [label="User Interface for IoT Apps" color="#BA68C8" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N0 -> N1 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#61CAC3" penwidth=1.5 style=solid label="ensures interoperability" dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4285F4" penwidth=1.5 style=solid label="performs OTAs" dir=forward]
+	N4 -> N5 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed label="builds smart cities" dir=forward]
+	N6 -> N7 [color="#4285F4" penwidth=1.5 style=solid label="optimizes transportation" dir=forward]
+	N7 -> N8 [color="#61CAC3" penwidth=1.5 style=dashed label="complies with regulations" dir=forward]
+	N1 -> N6 [color="#61CAC3" penwidth=1.5 style=dashed label="certifies devices" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_202.txt b/test/diagrams/graph_easy/diagrams_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af49b4ba82dfd0fdf8cd94022852bbd237463f9e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_202.txt
@@ -0,0 +1,9 @@
+<API Development for IoT, performs OTAs, Agricultural IoT>
+<Agricultural IoT, connectedTo, Gateway Development>
+<Data Analysis in Cloud, connectedTo, API Development for IoT>
+<Gateway Development, builds smart cities, IoT Device Certification>
+<IoT Device Certification, optimizes transportation, Smart Home Devices>
+<Sensor Integration, connectedTo, Supply Chain Optimization>
+<Smart Home Devices, complies with regulations, User Interface for IoT Apps>
+<Supply Chain Optimization, certifies devices, IoT Device Certification>
+<Supply Chain Optimization, ensures interoperability, Data Analysis in Cloud>
diff --git a/test/diagrams/graph_easy/diagrams_203.txt b/test/diagrams/graph_easy/diagrams_203.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5cdb6010670e0cd63963c7eac658cc853c8cdf75
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_203.txt
@@ -0,0 +1,11 @@
+<Cloud Platform Integration, connectedTo, Transportation IoT>
+<Compliance with IoT Regulations, connectedTo, Healthcare IoT Devices>
+<Data Collection, designs UIs, Real_time Data Streaming>
+<Data Privacy in IoT, uses blockchain, Data Collection>
+<Healthcare IoT Devices, connectedTo, Network Protocol Selection>
+<IoT Device Certification, processes streams, Data Privacy in IoT>
+<Network Protocol Selection, connectedTo, Security Implementation>
+<Real_time Data Streaming, optimizes transportation, Data Collection>
+<Retail IoT, connectedTo, Compliance with IoT Regulations>
+<Security Implementation, uses protocols, IoT Device Certification>
+<Transportation IoT, connectedTo, Retail IoT>
diff --git a/test/diagrams/graph_easy/diagrams_204.dot b/test/diagrams/graph_easy/diagrams_204.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6e85c92a0f8f02f63f1c865f5ba71980d6b67a83
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_204.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Gateway Development" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N1 [label="Healthcare IoT Devices" color="#42A5F5" fillcolor="#F1F8FF" shape=action style=filled]
+	N2 [label="Smart Home Devices" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N3 [label="Asset Tracking" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N4 [label="Device Prototyping" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N5 [label="Firmware Updates" color="#6EB76D" fillcolor="#E9F7E8" shape=document style=filled]
+	N6 [label="Data Privacy in IoT" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N7 [label="Network Protocol Selection" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N8 [label="Device Management" color="#42A5F5" fillcolor="#F1F8FF" shape=database style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed label="analyzes insights" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="optimizes operations" dir=forward]
+	N2 -> N3 [color="#607D8B" penwidth=1.5 style=dashed label="ensures privacy" dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=dashed label="integrates AI" dir=forward]
+	N5 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N8 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_204.txt b/test/diagrams/graph_easy/diagrams_204.txt
new file mode 100644
index 0000000000000000000000000000000000000000..07260711f7be422a22282155152fc2a99ed10ac4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_204.txt
@@ -0,0 +1,10 @@
+<Asset Tracking, connectedTo, Device Prototyping>
+<Data Privacy in IoT, connectedTo, Device Management>
+<Data Privacy in IoT, connectedTo, Network Protocol Selection>
+<Device Prototyping, connectedTo, Firmware Updates>
+<Firmware Updates, connectedTo, Data Privacy in IoT>
+<Firmware Updates, connectedTo, Device Prototyping>
+<Gateway Development, analyzes insights, Healthcare IoT Devices>
+<Healthcare IoT Devices, optimizes operations, Smart Home Devices>
+<Network Protocol Selection, integrates AI, Device Management>
+<Smart Home Devices, ensures privacy, Asset Tracking>
diff --git a/test/diagrams/graph_easy/diagrams_205.dot b/test/diagrams/graph_easy/diagrams_205.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9b09eeec9a89bb6feb441840aef3e4c3e80d1cde
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_205.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Edge Computing Hardware Selection" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N1 [label="Telecom Edge Computing" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N2 [label="Edge Security Analytics" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N3 [label="Network Optimization for Edge" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N4 [label="Fault Tolerance at Edge" color="#92C79A" fillcolor="#E8F0EA" shape=vnode_shape style=filled]
+	N5 [label="Local AI or ML Inference" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N6 [label="Event_Driven Architectures at Edge" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N7 [label="Virtualization at Edge" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N8 [label="Security for Edge Devices" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N9 [label="Latency Reduction" color="#92C79A" fillcolor="#E8F0EA" shape=preparation style=filled]
+	N0 -> N1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=solid label="supports industrial IoT" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="orchestrates containers" dir=forward]
+	N4 -> N5 [color="#FFDA4E" penwidth=1.5 style=solid label="designs architectures" dir=forward]
+	N5 -> N6 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=dashed label="processes data locally" dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_205.txt b/test/diagrams/graph_easy/diagrams_205.txt
new file mode 100644
index 0000000000000000000000000000000000000000..416050b25ab530da211cd64df08ea9a7fe4292fb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_205.txt
@@ -0,0 +1,10 @@
+<Edge Computing Hardware Selection, connectedTo, Telecom Edge Computing>
+<Edge Security Analytics, connectedTo, Virtualization at Edge>
+<Edge Security Analytics, supports industrial IoT, Network Optimization for Edge>
+<Event_Driven Architectures at Edge, processes data locally, Virtualization at Edge>
+<Fault Tolerance at Edge, designs architectures, Local AI or ML Inference>
+<Local AI or ML Inference, connectedTo, Event_Driven Architectures at Edge>
+<Network Optimization for Edge, orchestrates containers, Fault Tolerance at Edge>
+<Security for Edge Devices, connectedTo, Latency Reduction>
+<Telecom Edge Computing, ensures compliance, Edge Security Analytics>
+<Virtualization at Edge, connectedTo, Security for Edge Devices>
diff --git a/test/diagrams/graph_easy/diagrams_206.dot b/test/diagrams/graph_easy/diagrams_206.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8064d3c461473c82537995f2636c2d8876c3b260
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_206.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Containerization at Edge" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N1 [label="Retail Edge Computing" color="#BDAFA8" fillcolor="#E4E0DF" shape=database style=filled]
+	N2 [label="Resource Management at Edge" color="#FFB2A5" fillcolor="#FFDCD6" shape=vnode_shape style=filled]
+	N3 [label="Fleet Management for Edge Devices" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N4 [label="Orchestration of Edge Workloads" color="#80DDEA" fillcolor="#D3F7F9" shape=action style=filled]
+	N5 [label="Edge_to_Cloud Data Transfer Optimization" color="#80DDEA" fillcolor="#D3F7F9" shape=action style=filled]
+	N6 [label="Edge Device Provisioning" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N7 [label="Edge Gateway Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N8 [label="Edge Device Deployment" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N0 -> N1 [color="#80DDEA" penwidth=1.5 style=dashed label="supports industrial IoT" dir=forward]
+	N1 -> N2 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#BDAFA8" penwidth=1.5 style=solid label="connects endpoints" dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed label="designs architectures" dir=forward]
+	N4 -> N5 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="manages microservices" dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#000000" penwidth=1.5 style=dashed label="deploys nodes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_206.txt b/test/diagrams/graph_easy/diagrams_206.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1627ce3c8f1c5e92c1267a37347087841cb7a7d3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_206.txt
@@ -0,0 +1,9 @@
+<Containerization at Edge, deploys nodes, Edge Device Provisioning>
+<Containerization at Edge, supports industrial IoT, Retail Edge Computing>
+<Edge Device Provisioning, manages microservices, Edge Gateway Management>
+<Edge Gateway Management, connectedTo, Edge Device Deployment>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Edge Device Provisioning>
+<Fleet Management for Edge Devices, designs architectures, Orchestration of Edge Workloads>
+<Orchestration of Edge Workloads, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Resource Management at Edge, connects endpoints, Fleet Management for Edge Devices>
+<Retail Edge Computing, connectedTo, Resource Management at Edge>
diff --git a/test/diagrams/graph_easy/diagrams_207.dot b/test/diagrams/graph_easy/diagrams_207.dot
new file mode 100644
index 0000000000000000000000000000000000000000..112fd86019b31f01c6be426687eddcc2b50a4627
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_207.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Resource Management at Edge" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N1 [label="Industrial Edge Computing" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N2 [label="Virtualization at Edge" color="#8C9EFF" fillcolor="#D3D7EB" shape=inputoutput style=filled]
+	N3 [label="Orchestration of Edge Workloads" color="#388E3C" fillcolor="#F1F8E9" shape=action style=filled]
+	N4 [label="Edge Gateway Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=inputoutput style=filled]
+	N5 [label="Smart City Edge Solutions" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N6 [label="Telecom Edge Computing" color="#FFC2C2" fillcolor="#FFEBEB" shape=database style=filled]
+	N7 [label="Edge Network Topology Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N8 [label="Edge Device Deployment" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N9 [label="Fault Tolerance at Edge" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N10 [label="Microservices on Edge Devices" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N11 [label="Remote Device Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="builds smart cities" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="selects hardware" dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed label="manages devices" dir=forward]
+	N4 -> N5 [color="#8C9EFF" penwidth=1.5 style=solid label="synchronizes data" dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed label="analyzes data at edge" dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=dashed label="transfers data efficiently" dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=solid label="manages power consumption" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#8C9EFF" penwidth=1.5 style=dashed label="secures data" dir=forward]
+	N10 -> N11 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N10 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N11 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_207.txt b/test/diagrams/graph_easy/diagrams_207.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b92da3e5df6581f11307185d4be190658d14d55
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_207.txt
@@ -0,0 +1,13 @@
+<Edge Device Deployment, connectedTo, Fault Tolerance at Edge>
+<Edge Gateway Management, connectedTo, Remote Device Management>
+<Edge Gateway Management, synchronizes data, Smart City Edge Solutions>
+<Edge Network Topology Design, connectedTo, Microservices on Edge Devices>
+<Edge Network Topology Design, manages power consumption, Edge Device Deployment>
+<Fault Tolerance at Edge, secures data, Microservices on Edge Devices>
+<Industrial Edge Computing, builds smart cities, Virtualization at Edge>
+<Microservices on Edge Devices, connectedTo, Remote Device Management>
+<Orchestration of Edge Workloads, manages devices, Edge Gateway Management>
+<Resource Management at Edge, connectedTo, Industrial Edge Computing>
+<Smart City Edge Solutions, analyzes data at edge, Telecom Edge Computing>
+<Telecom Edge Computing, transfers data efficiently, Edge Network Topology Design>
+<Virtualization at Edge, selects hardware, Orchestration of Edge Workloads>
diff --git a/test/diagrams/graph_easy/diagrams_208.dot b/test/diagrams/graph_easy/diagrams_208.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c21f2b798fdc733dd87fb9a5e9e8b0663ad0c479
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_208.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="API Management in Cloud" color="#4285F4" fillcolor="#D0E0F8" shape=document style=filled]
+	N1 [label="Compliance in Cloud" color="#4285F4" fillcolor="#D0E0F8" shape=parallelogram style=filled]
+	N2 [label="Container Orchestration" color="#4285F4" fillcolor="#D0E0F8" shape=rect style=filled]
+	N3 [label="Data Storage in Cloud" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	N4 [label="Resource Tagging for Cost Allocation" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N5 [label="Cloud Backup Solutions" color="#4285F4" fillcolor="#D0E0F8" shape=parallelogram style=filled]
+	N6 [label="DevOps on Cloud" color="#FFA726" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N7 [label="Private Cloud Management" color="#4285F4" fillcolor="#D0E0F8" shape=multipledocuments style=filled]
+	N8 [label="Identity and Access Management" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N9 [label="Cloud_based VPN Setup" color="#607D8B" fillcolor="#CFD8DC" shape=database style=filled]
+	N10 [label="CI or CD Pipelines in Cloud" color="#607D8B" fillcolor="#CFD8DC" shape=rectangle style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="provides IaaS" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="automates tasks" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="develops cloud_native apps" dir=forward]
+	N3 -> N4 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFA726" penwidth=1.5 style=dashed label="offers PaaS" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="develops serverless apps" dir=forward]
+	N7 -> N8 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="manages VMs" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N0 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N1 [color="#FFA726" penwidth=1.5 style=dashed label="orchestrates Kubernetes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_208.txt b/test/diagrams/graph_easy/diagrams_208.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d84df739288a81dbd5d80a811e71e5e4081476a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_208.txt
@@ -0,0 +1,12 @@
+<API Management in Cloud, provides IaaS, Compliance in Cloud>
+<Cloud Backup Solutions, connectedTo, DevOps on Cloud>
+<Cloud_based VPN Setup, connectedTo, CI or CD Pipelines in Cloud>
+<Compliance in Cloud, automates tasks, Container Orchestration>
+<Container Orchestration, develops cloud_native apps, Data Storage in Cloud>
+<Data Storage in Cloud, connectedTo, Resource Tagging for Cost Allocation>
+<DevOps on Cloud, develops serverless apps, Private Cloud Management>
+<Identity and Access Management, manages VMs, Cloud_based VPN Setup>
+<Private Cloud Management, connectedTo, API Management in Cloud>
+<Private Cloud Management, connectedTo, Identity and Access Management>
+<Private Cloud Management, orchestrates Kubernetes, Compliance in Cloud>
+<Resource Tagging for Cost Allocation, offers PaaS, Cloud Backup Solutions>
diff --git a/test/diagrams/graph_easy/diagrams_209.dot b/test/diagrams/graph_easy/diagrams_209.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b0c786f434122772947dc81b4e348455e3defdfa
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_209.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cloud Firewall Configuration" color="#CD8FF2" fillcolor="#ECCFF5" shape=document style=filled]
+	N1 [label="Cloud Vendor Lock_in Mitigation" color="#388E3C" fillcolor="#C8E6C9" shape=rect style=filled]
+	N2 [label="Disaster Recovery in Cloud" color="#5C6BC0" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N3 [label="Network Configuration in Cloud" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N4 [label="Auto_Scaling Configurations" color="#388E3C" fillcolor="#C8E6C9" shape=action style=filled]
+	N5 [label="Cloud Native Application Development" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N6 [label="Cloud Monitoring and Logging" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N7 [label="Cost Optimization in Cloud" color="#5C6BC0" fillcolor="#E8EAF6" shape=rect style=filled]
+	N8 [label="Cloud Security" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N9 [label="Software as a Service" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=solid label="manages IAMs" dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=dashed label="implements DR" dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=dashed label="secures environments" dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="configures networks" dir=forward]
+	N6 -> N7 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="monitors performance" dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=solid label="automates tasks" dir=forward]
+	N5 -> N2 [color="#CD8FF2" penwidth=1.5 style=solid label="manages VMs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_21.dot b/test/diagrams/graph_easy/diagrams_21.dot
new file mode 100644
index 0000000000000000000000000000000000000000..286da50173fa90fc14dbe3cc71b871958f26ab1a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_21.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Outage Detection" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N1 [label="Demand Forecast" color="#03A9F4" fillcolor="#B3E5FC" shape=multipledocuments style=filled]
+	N2 [label="Consumption Logging" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N3 [label="Energy Efficiency Audit" color="#4FC3F7" fillcolor="#E1F5FE" shape=database style=filled]
+	N4 [label="Energy Trading" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+	N5 [label="Wind Turbine Monitoring" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N6 [label="Smart Metering" color="#4FC3F7" fillcolor="#E1F5FE" shape=document style=filled]
+	N7 [label="Usage Billing" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N8 [label="Battery Monitoring" color="#03A9F4" fillcolor="#B3E5FC" shape=parallelogram style=filled]
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=solid label="distributes" dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=dashed label="upgrades" dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed label="models" dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N6 -> N7 [color="#BA68C8" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N7 -> N8 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N8 -> N1 [color="#BA68C8" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N4 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_21.txt b/test/diagrams/graph_easy/diagrams_21.txt
new file mode 100644
index 0000000000000000000000000000000000000000..643215d529fc6849727eceb0356572799d15c735
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_21.txt
@@ -0,0 +1,10 @@
+<Battery Monitoring, secures, Demand Forecast>
+<Consumption Logging, upgrades, Energy Efficiency Audit>
+<Demand Forecast, distributes, Consumption Logging>
+<Energy Efficiency Audit, forecasts, Energy Trading>
+<Energy Trading, connectedTo, Consumption Logging>
+<Energy Trading, models, Wind Turbine Monitoring>
+<Outage Detection, connectedTo, Demand Forecast>
+<Smart Metering, repairs, Usage Billing>
+<Usage Billing, connectedTo, Battery Monitoring>
+<Wind Turbine Monitoring, licenses, Smart Metering>
diff --git a/test/diagrams/graph_easy/diagrams_210.dot b/test/diagrams/graph_easy/diagrams_210.dot
new file mode 100644
index 0000000000000000000000000000000000000000..db8a59763760d797f8fb7752f28ca63ed26e9fb6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_210.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="CI or CD Pipelines in Cloud" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N1 [label="Software as a Service" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N2 [label="Cloud Automation" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N3 [label="Cloud Security" color="#BDAFA8" fillcolor="#E4E0DF" shape=vnode_shape style=filled]
+	N4 [label="Disaster Recovery in Cloud" color="#A1887F" fillcolor="#EFEBE9" shape=diamond style=filled]
+	N5 [label="Cloud Native Application Development" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N6 [label="API Management in Cloud" color="#E0E0E0" fillcolor="#EBEBEB" shape=inputoutput style=filled]
+	N7 [label="Cloud Audit Trails" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N8 [label="Cloud Architecture Design" color="#E0E0E0" fillcolor="#EBEBEB" shape=rect style=filled]
+	N0 -> N1 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=dashed label="optimizes costs" dir=forward]
+	N2 -> N3 [color="#BDAFA8" penwidth=1.5 style=solid label="configures firewalls" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="delivers SaaS" dir=forward]
+	N6 -> N7 [color="#BDAFA8" penwidth=1.5 style=solid label="uses public clouds" dir=forward]
+	N7 -> N8 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N6 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_210.txt b/test/diagrams/graph_easy/diagrams_210.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ef72be755a529d80405fb4586596d457bad3114
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_210.txt
@@ -0,0 +1,9 @@
+<API Management in Cloud, uses public clouds, Cloud Audit Trails>
+<CI or CD Pipelines in Cloud, connectedTo, Software as a Service>
+<Cloud Audit Trails, connectedTo, Cloud Architecture Design>
+<Cloud Automation, configures firewalls, Cloud Security>
+<Cloud Automation, connectedTo, API Management in Cloud>
+<Cloud Native Application Development, delivers SaaS, API Management in Cloud>
+<Cloud Security, connectedTo, Disaster Recovery in Cloud>
+<Disaster Recovery in Cloud, ensures compliance, Cloud Native Application Development>
+<Software as a Service, optimizes costs, Cloud Automation>
diff --git a/test/diagrams/graph_easy/diagrams_211.dot b/test/diagrams/graph_easy/diagrams_211.dot
new file mode 100644
index 0000000000000000000000000000000000000000..10dbee264250051477f5924e9809a0fe5a362b57
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_211.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Server Deployment" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N1 [label="Load Balancer Setup" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N2 [label="Proxy Server Configuration" color="#AED581" fillcolor="#F0F4C3" shape=inputoutput style=filled]
+	N3 [label="Antivirus and Endpoint Protection" color="#EAEFA5" fillcolor="#FDFCEB" shape=document style=filled]
+	N4 [label="Capacity Planning" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+	N5 [label="Automation Scripting" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N6 [label="Access Control Systems" color="#AED581" fillcolor="#F0F4C3" shape=rect style=filled]
+	N7 [label="Rack and Cabinet Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N8 [label="Virtual Desktop Infrastructure" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N9 [label="Operating System Installation" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=solid label="manages remote access" dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=dashed label="secures systems" dir=forward]
+	N2 -> N3 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed label="virtualizes resources" dir=forward]
+	N5 -> N6 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#AED581" penwidth=1.5 style=solid label="manages directories" dir=forward]
+	N8 -> N9 [color="#FFC2C2" penwidth=1.5 style=solid label="implements disaster recovery" dir=forward]
+	N3 -> N8 [color="#000000" penwidth=1.5 style=solid label="deploys VDIs" dir=forward]
+	N2 -> N1 [color="#AED581" penwidth=1.5 style=solid label="sets up DNS" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_211.txt b/test/diagrams/graph_easy/diagrams_211.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8aa404a2b34017e5fd663028e9b4511dab37dddb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_211.txt
@@ -0,0 +1,11 @@
+<Access Control Systems, connectedTo, Rack and Cabinet Management>
+<Antivirus and Endpoint Protection, connectedTo, Capacity Planning>
+<Antivirus and Endpoint Protection, deploys VDIs, Virtual Desktop Infrastructure>
+<Automation Scripting, connectedTo, Access Control Systems>
+<Capacity Planning, virtualizes resources, Automation Scripting>
+<Load Balancer Setup, secures systems, Proxy Server Configuration>
+<Proxy Server Configuration, connectedTo, Antivirus and Endpoint Protection>
+<Proxy Server Configuration, sets up DNS, Load Balancer Setup>
+<Rack and Cabinet Management, manages directories, Virtual Desktop Infrastructure>
+<Server Deployment, manages remote access, Load Balancer Setup>
+<Virtual Desktop Infrastructure, implements disaster recovery, Operating System Installation>
diff --git a/test/diagrams/graph_easy/diagrams_212.txt b/test/diagrams/graph_easy/diagrams_212.txt
new file mode 100644
index 0000000000000000000000000000000000000000..88c480c21f0a73054cec05442197b0dc7af77b02
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_212.txt
@@ -0,0 +1,11 @@
+<Access Control Systems, troubleshoots issues, Software Licensing Management>
+<Antivirus and Endpoint Protection, configures web servers, System Administration>
+<Antivirus and Endpoint Protection, connectedTo, Disaster Recovery Planning>
+<Disaster Recovery Planning, connectedTo, Network Performance Tuning>
+<Disaster Recovery Planning, plans capacity, Remote Access Solutions>
+<Network Performance Tuning, automates tasks, Rack and Cabinet Management>
+<Proxy Server Configuration, connectedTo, Remote Access Solutions>
+<Rack and Cabinet Management, connectedTo, Antivirus and Endpoint Protection>
+<Remote Access Solutions, connectedTo, Disaster Recovery Planning>
+<Software Licensing Management, lays cables, Proxy Server Configuration>
+<VPN Configuration, installs racks, Access Control Systems>
diff --git a/test/diagrams/graph_easy/diagrams_213.dot b/test/diagrams/graph_easy/diagrams_213.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a8583060ac6f2d775c2d88233280b7e1c85b8996
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_213.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Patch Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N1 [label="Network Performance Tuning" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N2 [label="Server Deployment" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N3 [label="Access Control Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=preparation style=filled]
+	N4 [label="Capacity Planning" color="#E0E0E0" fillcolor="#EBEBEB" shape=predefinedprocess style=filled]
+	N5 [label="Troubleshooting and Support" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N6 [label="Virtual Desktop Infrastructure" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N7 [label="Monitoring and Alerting" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#E0E0E0" penwidth=1.5 style=solid label="secures systems" dir=forward]
+	N3 -> N4 [color="#E0E0E0" penwidth=1.5 style=solid label="manages power" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=dashed label="plans capacity" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="performs backups" dir=forward]
+	N1 -> N4 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_213.txt b/test/diagrams/graph_easy/diagrams_213.txt
new file mode 100644
index 0000000000000000000000000000000000000000..00445c4dac637d3f5f91acc8883393d19f78e342
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_213.txt
@@ -0,0 +1,8 @@
+<Access Control Systems, manages power, Capacity Planning>
+<Capacity Planning, connectedTo, Troubleshooting and Support>
+<Network Performance Tuning, connectedTo, Capacity Planning>
+<Network Performance Tuning, connectedTo, Server Deployment>
+<Patch Management, connectedTo, Network Performance Tuning>
+<Server Deployment, secures systems, Access Control Systems>
+<Troubleshooting and Support, plans capacity, Virtual Desktop Infrastructure>
+<Virtual Desktop Infrastructure, performs backups, Monitoring and Alerting>
diff --git a/test/diagrams/graph_easy/diagrams_214.dot b/test/diagrams/graph_easy/diagrams_214.dot
new file mode 100644
index 0000000000000000000000000000000000000000..346d1fee4889b1d7ebe65b38890aac41b87be2f1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_214.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Automated Rollbacks" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N1 [label="Security in DevOps" color="#EAEFA5" fillcolor="#FDFCEB" shape=inputoutput style=filled]
+	N2 [label="Static Code Analysis" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N3 [label="Canary Releases" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N4 [label="Monitoring and Logging" color="#FFF176" fillcolor="#FFFDE7" shape=action style=filled]
+	N5 [label="Observability Implementation" color="#FFF176" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N6 [label="Feature Flags" color="#9575CD" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N7 [label="Alerting and Incident Response" color="#FFF176" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N8 [label="GitOps" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N9 [label="Infrastructure Provisioning" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N10 [label="Configuration Management" color="#FFF176" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF176" penwidth=1.5 style=solid label="codes features" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="builds cloud_native apps" dir=forward]
+	N5 -> N6 [color="#FFF176" penwidth=1.5 style=dashed label="accelerates delivery" dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid label="enables ChatOps" dir=forward]
+	N7 -> N8 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="practices chaos engineering" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N7 [color="#000000" penwidth=1.5 style=solid label="uses GitOps" dir=forward]
+	N4 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_215.dot b/test/diagrams/graph_easy/diagrams_215.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a0a360b85c976a13d417acd31a7a498a42ba5bce
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_215.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Immutable Infrastructure" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N1 [label="ChatOps" color="#C0CA33" fillcolor="#F9FBE7" shape=document style=filled]
+	N2 [label="Continuous Integration" color="#C0CA33" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N3 [label="Canary Releases" color="#F7BEE0" fillcolor="#FAEBF3" shape=rect style=filled]
+	N4 [label="Automated Deployment" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N5 [label="Containerization" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N6 [label="Security in DevOps" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N7 [label="Rollback Strategies" color="#F7BEE0" fillcolor="#FAEBF3" shape=rect style=filled]
+	N0 -> N1 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#C0CA33" penwidth=1.5 style=solid label="gathers feedback" dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed label="configures environments" dir=forward]
+	N3 -> N4 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#C0CA33" penwidth=1.5 style=solid label="implements CI" dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N6 -> N0 [color="#F7BEE0" penwidth=1.5 style=solid label="uses IaC" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_215.txt b/test/diagrams/graph_easy/diagrams_215.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7ddf1fa65a7c0b1a5a6763d266e542ef7eb6fc4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_215.txt
@@ -0,0 +1,8 @@
+<Automated Deployment, implements CI, Containerization>
+<Canary Releases, connectedTo, Automated Deployment>
+<ChatOps, gathers feedback, Continuous Integration>
+<Containerization, connectedTo, Security in DevOps>
+<Continuous Integration, configures environments, Canary Releases>
+<Immutable Infrastructure, connectedTo, ChatOps>
+<Security in DevOps, connectedTo, Rollback Strategies>
+<Security in DevOps, uses IaC, Immutable Infrastructure>
diff --git a/test/diagrams/graph_easy/diagrams_216.dot b/test/diagrams/graph_easy/diagrams_216.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d087680c6f232ebb928bb155d27dfa731c6ce6eb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_216.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Continuous Integration" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="GitOps" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N2 [label="Collaboration Tools" color="#D3EB9F" fillcolor="#F8FDD3" shape=rectangle style=filled]
+	N3 [label="Infrastructure Provisioning" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N4 [label="Chaos Engineering" color="#94C0C0" fillcolor="#CADEDE" shape=document style=filled]
+	N5 [label="Container Orchestration" color="#DCE775" fillcolor="#FCFCE7" shape=inputoutput style=filled]
+	N6 [label="Microservices Architecture" color="#D3EB9F" fillcolor="#F8FDD3" shape=preparation style=filled]
+	N7 [label="Security in DevOps" color="#DCE775" fillcolor="#FCFCE7" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid label="enables CD" dir=forward]
+	N1 -> N2 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#D3EB9F" penwidth=1.5 style=solid label="deploys canaries" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed label="builds cloud_native apps" dir=forward]
+	N4 -> N5 [color="#DCE775" penwidth=1.5 style=solid label="performs rollbacks" dir=forward]
+	N5 -> N6 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="ensures observability" dir=forward]
+	N1 -> N5 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N3 [color="#94C0C0" penwidth=1.5 style=dashed label="uses IaC" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_216.txt b/test/diagrams/graph_easy/diagrams_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..97ac1611feb39cac84f0420b27ee41bd5b8fd461
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_216.txt
@@ -0,0 +1,9 @@
+<Chaos Engineering, performs rollbacks, Container Orchestration>
+<Collaboration Tools, deploys canaries, Infrastructure Provisioning>
+<Container Orchestration, connectedTo, Microservices Architecture>
+<Continuous Integration, enables CD, GitOps>
+<GitOps, connectedTo, Collaboration Tools>
+<GitOps, connectedTo, Container Orchestration>
+<GitOps, uses IaC, Infrastructure Provisioning>
+<Infrastructure Provisioning, builds cloud_native apps, Chaos Engineering>
+<Microservices Architecture, ensures observability, Security in DevOps>
diff --git a/test/diagrams/graph_easy/diagrams_217.dot b/test/diagrams/graph_easy/diagrams_217.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f9be2578e687c8361b81d66a1faa203feeb4371b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_217.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="User Interface Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N1 [label="Technical Debt Management" color="#388E3C" fillcolor="#C8E6C9" shape=inputoutput style=filled]
+	N2 [label="Algorithm Design" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N3 [label="Version Control" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N4 [label="Frontend Development" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N5 [label="Integration Testing" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N6 [label="Mobile Application Development" color="#388E3C" fillcolor="#C8E6C9" shape=database style=filled]
+	N7 [label="Testing Frameworks" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N8 [label="Maintenance" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N9 [label="System Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	N10 [label="Web Application Development" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFCC7A" penwidth=1.5 style=dashed label="uses agile methodologies" dir=forward]
+	N1 -> N2 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="develops web apps" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFCC7A" penwidth=1.5 style=dashed label="interacts with OSs" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="develops cloud_native apps" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#FFCC7A" penwidth=1.5 style=dashed label="compiles code" dir=forward]
+	N2 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_217.txt b/test/diagrams/graph_easy/diagrams_217.txt
new file mode 100644
index 0000000000000000000000000000000000000000..75d736c1cae0ac3bcefaf989bf460ac89da98cd3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_217.txt
@@ -0,0 +1,12 @@
+<Algorithm Design, connectedTo, Integration Testing>
+<Algorithm Design, connectedTo, Version Control>
+<Frontend Development, develops web apps, Integration Testing>
+<Integration Testing, connectedTo, Mobile Application Development>
+<Maintenance, develops cloud_native apps, System Design>
+<Mobile Application Development, connectedTo, Testing Frameworks>
+<System Design, connectedTo, Web Application Development>
+<Technical Debt Management, connectedTo, Algorithm Design>
+<Testing Frameworks, interacts with OSs, Maintenance>
+<User Interface Design, compiles code, Mobile Application Development>
+<User Interface Design, uses agile methodologies, Technical Debt Management>
+<Version Control, connectedTo, Frontend Development>
diff --git a/test/diagrams/graph_easy/diagrams_218.dot b/test/diagrams/graph_easy/diagrams_218.dot
new file mode 100644
index 0000000000000000000000000000000000000000..77b54f22dd2cfa92cc0a6739be2ed780a949a24c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_218.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Database Design" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N1 [label="User Experience Design" color="#E0E0E0" fillcolor="#EBEBEB" shape=vnode_shape style=filled]
+	N2 [label="Game Development" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N3 [label="System Testing" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N4 [label="Coding" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N5 [label="Algorithm Design" color="#E0E0E0" fillcolor="#EBEBEB" shape=document style=filled]
+	N6 [label="Mobile Application Development" color="#388E3C" fillcolor="#C8E6C9" shape=rect style=filled]
+	N7 [label="Cloud_Native Development" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="builds desktop apps" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed label="tests systems" dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N2 [color="#C0CA33" penwidth=1.5 style=solid label="designs algorithms" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_218.txt b/test/diagrams/graph_easy/diagrams_218.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f17e48d838e601c4e8e3f798ba5b9336c88b8654
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_218.txt
@@ -0,0 +1,8 @@
+<Algorithm Design, connectedTo, Mobile Application Development>
+<Coding, designs algorithms, Game Development>
+<Coding, tests systems, Algorithm Design>
+<Database Design, connectedTo, User Experience Design>
+<Game Development, connectedTo, System Testing>
+<Mobile Application Development, connectedTo, Cloud_Native Development>
+<System Testing, connectedTo, Coding>
+<User Experience Design, builds desktop apps, Game Development>
diff --git a/test/diagrams/graph_easy/diagrams_219.dot b/test/diagrams/graph_easy/diagrams_219.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0cd0d95fe3f28a0760385a106eb74ee36a5c7a98
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_219.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Operating System Development" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N1 [label="Refactoring" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N2 [label="User Interface Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N3 [label="User Experience Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=action style=filled]
+	N4 [label="System Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N5 [label="Unit Testing" color="#A188D0" fillcolor="#DACBE3" shape=inputoutput style=filled]
+	N6 [label="Version Control" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N7 [label="Bug Fixing" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N8 [label="Coding" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N9 [label="Documentation" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed label="designs APIs" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#92C79A" penwidth=1.5 style=solid label="implements CD" dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid label="designs games" dir=forward]
+	N7 -> N8 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N3 [color="#A188D0" penwidth=1.5 style=solid label="develops embedded systems" dir=forward]
+	N9 -> N8 [color="#A188D0" penwidth=1.5 style=solid label="writes documentation" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_22.dot b/test/diagrams/graph_easy/diagrams_22.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4c18cd9e431dde02c13621d0f32ec066326b2f2f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_22.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Pre_Trial Hearing" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N1 [label="Regulatory Compliance Review" color="#FFF176" fillcolor="#FFFDE7" shape=rect style=filled]
+	N2 [label="Legal Research" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N3 [label="Patent Application" color="#FFF176" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N4 [label="Immigration Petition" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N5 [label="Estate Planning" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N6 [label="Settlement Negotiation" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N7 [label="Appeal Submission" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N0 -> N1 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="pleads" dir=forward]
+	N5 -> N6 [color="#FFF176" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid label="litigates" dir=forward]
+	N3 -> N0 [color="#FFF176" penwidth=1.5 style=solid label="collects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_22.txt b/test/diagrams/graph_easy/diagrams_22.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1b14493d2da41dcbb2ccaea5b9dddd44e55dc4ee
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_22.txt
@@ -0,0 +1,8 @@
+<Estate Planning, certifies, Settlement Negotiation>
+<Immigration Petition, pleads, Estate Planning>
+<Legal Research, connectedTo, Patent Application>
+<Patent Application, collects, Pre_Trial Hearing>
+<Patent Application, connectedTo, Immigration Petition>
+<Pre_Trial Hearing, connectedTo, Regulatory Compliance Review>
+<Regulatory Compliance Review, connectedTo, Legal Research>
+<Settlement Negotiation, litigates, Appeal Submission>
diff --git a/test/diagrams/graph_easy/diagrams_220.dot b/test/diagrams/graph_easy/diagrams_220.dot
new file mode 100644
index 0000000000000000000000000000000000000000..318bc9da3330ed00bdc700f7d94f308feeb5b558
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_220.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Optical Module Design" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+	N1 [label="Assembly Line Optimization" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N2 [label="FPGA Design" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N3 [label="Component Selection" color="#FFC107" fillcolor="#FFECB3" shape=rectangle style=filled]
+	N4 [label="RF Circuit Design" color="#FFC107" fillcolor="#FFECB3" shape=inputoutput style=filled]
+	N5 [label="Prototyping" color="#FFC107" fillcolor="#FFECB3" shape=document style=filled]
+	N6 [label="Manufacturing Process Planning" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N7 [label="Quality Control" color="#00BCD4" fillcolor="#E0F7FA" shape=inputoutput style=filled]
+	N8 [label="Low_Power Design" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FFC107" penwidth=1.5 style=dashed label="develops RF systems" dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed label="tests hardware" dir=forward]
+	N2 -> N3 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="creates documentation" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="supervises assembly" dir=forward]
+	N7 -> N8 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N5 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N5 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_220.txt b/test/diagrams/graph_easy/diagrams_220.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f0b2a5e2e0c31c9c55ee174fa0028d24d493be53
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_220.txt
@@ -0,0 +1,10 @@
+<Assembly Line Optimization, tests hardware, FPGA Design>
+<Component Selection, connectedTo, Prototyping>
+<Component Selection, connectedTo, RF Circuit Design>
+<FPGA Design, connectedTo, Component Selection>
+<Manufacturing Process Planning, supervises assembly, Quality Control>
+<Optical Module Design, connectedTo, Prototyping>
+<Optical Module Design, develops RF systems, Assembly Line Optimization>
+<Prototyping, connectedTo, Manufacturing Process Planning>
+<Quality Control, connectedTo, Low_Power Design>
+<RF Circuit Design, creates documentation, Prototyping>
diff --git a/test/diagrams/graph_easy/diagrams_221.dot b/test/diagrams/graph_easy/diagrams_221.dot
new file mode 100644
index 0000000000000000000000000000000000000000..001c2c1d8488a87c934c301b624c913d6ac86680
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_221.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Documentation" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N1 [label="Supply Chain Management for Components" color="#D2D2D2" fillcolor="#F0F0F0" shape=rect style=filled]
+	N2 [label="Firmware Development" color="#D2D2D2" fillcolor="#F0F0F0" shape=rect style=filled]
+	N3 [label="Assembly Line Optimization" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N4 [label="Microcontroller Programming" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N5 [label="Power Integrity Analysis" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N6 [label="Reliability Testing" color="#CFCFCF" fillcolor="#F6F6F6" shape=document style=filled]
+	N7 [label="Actuator Control" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="lays out PCBs" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="manages cables" dir=forward]
+	N4 -> N5 [color="#CFCFCF" penwidth=1.5 style=solid label="integrates sensors" dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#90A4AE" penwidth=1.5 style=solid label="builds prototypes" dir=forward]
+	N5 -> N0 [color="#D2D2D2" penwidth=1.5 style=dashed label="designs optical systems" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_221.txt b/test/diagrams/graph_easy/diagrams_221.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b7546f6c91b2d115c894810ee8fd3499dbb8b49
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_221.txt
@@ -0,0 +1,8 @@
+<Assembly Line Optimization, manages cables, Microcontroller Programming>
+<Documentation, connectedTo, Supply Chain Management for Components>
+<Firmware Development, connectedTo, Assembly Line Optimization>
+<Microcontroller Programming, integrates sensors, Power Integrity Analysis>
+<Power Integrity Analysis, connectedTo, Reliability Testing>
+<Power Integrity Analysis, designs optical systems, Documentation>
+<Reliability Testing, builds prototypes, Actuator Control>
+<Supply Chain Management for Components, lays out PCBs, Firmware Development>
diff --git a/test/diagrams/graph_easy/diagrams_222.txt b/test/diagrams/graph_easy/diagrams_222.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a87763e26cb2bb7f25dcaaf5dc83914400154270
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_222.txt
@@ -0,0 +1,11 @@
+<Actuator Control, develops RF systems, Power Management Design>
+<Documentation, connectedTo, Power Integrity Analysis>
+<Enclosure Design, manages supply chains, Documentation>
+<Failure Analysis, connectedTo, Environmental Testing>
+<Mechanical Design Integration, connectedTo, Enclosure Design>
+<Power Integrity Analysis, integrates sensors, Failure Analysis>
+<Power Management Design, develops firmware, Quality Control>
+<Quality Control, connectedTo, Power Integrity Analysis>
+<Quality Control, manages EMC, Mechanical Design Integration>
+<Schematic Capture, designs FPGAs, Thermal Management>
+<Thermal Management, connectedTo, Actuator Control>
diff --git a/test/diagrams/graph_easy/diagrams_223.dot b/test/diagrams/graph_easy/diagrams_223.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ed48055ade49529d307772ef7e2fb2df123043f4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_223.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="AR or VR Features in Mobile" color="#D2D2D2" fillcolor="#F0F0F0" shape=rectangle style=filled]
+	N1 [label="Widget Development" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N2 [label="Push Notification Implementation" color="#D2D2D2" fillcolor="#F0F0F0" shape=preparation style=filled]
+	N3 [label="Concept Development" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N4 [label="Deployment to App Stores" color="#82DAFF" fillcolor="#C8EDFF" shape=rectangle style=filled]
+	N5 [label="Accessibility Features" color="#82DAFF" fillcolor="#C8EDFF" shape=multipledocuments style=filled]
+	N6 [label="Payment Gateway Integration" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N7 [label="Wireframing" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#82DAFF" penwidth=1.5 style=solid label="uses cloud services" dir=forward]
+	N3 -> N4 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid label="manages updates" dir=forward]
+	N6 -> N7 [color="#82DAFF" penwidth=1.5 style=solid label="deploys to stores" dir=forward]
+	N4 -> N2 [color="#000000" penwidth=1.5 style=solid label="integrates wearables" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_224.dot b/test/diagrams/graph_easy/diagrams_224.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c297b27d939fe30b1b3973454ece7446006e711b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_224.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Database Design for Mobile" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N1 [label="Concept Development" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+	N2 [label="Security Implementation" color="#FFEB3B" fillcolor="#FFF9C4" shape=multipledocuments style=filled]
+	N3 [label="Geolocation Services" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N4 [label="Native App Development" color="#FF9800" fillcolor="#FFE0B2" shape=inputoutput style=filled]
+	N5 [label="Real_time Communication Features" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N6 [label="Updates and Maintenance" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N7 [label="Gamification Elements" color="#9FA9E1" fillcolor="#D6D9F0" shape=database style=filled]
+	N8 [label="User Onboarding Flows" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="integrates chat" dir=forward]
+	N1 -> N2 [color="#9FA9E1" penwidth=1.5 style=solid label="integrates wearables" dir=forward]
+	N2 -> N3 [color="#FFEB3B" penwidth=1.5 style=solid label="analyzes analytics" dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="uses microphone" dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N8 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_224.txt b/test/diagrams/graph_easy/diagrams_224.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba4c7f2e3d211895709443f9555d4113b1382733
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_224.txt
@@ -0,0 +1,9 @@
+<Concept Development, integrates wearables, Security Implementation>
+<Database Design for Mobile, connectedTo, User Onboarding Flows>
+<Database Design for Mobile, integrates chat, Concept Development>
+<Gamification Elements, connectedTo, User Onboarding Flows>
+<Geolocation Services, connectedTo, Native App Development>
+<Native App Development, connectedTo, Real_time Communication Features>
+<Real_time Communication Features, connectedTo, Updates and Maintenance>
+<Security Implementation, analyzes analytics, Geolocation Services>
+<Updates and Maintenance, uses microphone, Gamification Elements>
diff --git a/test/diagrams/graph_easy/diagrams_225.dot b/test/diagrams/graph_easy/diagrams_225.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b08930f4bb2fff541d2b244746f07367bc2cd351
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_225.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="User Interface Design" color="#388E3C" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N1 [label="Camera Integration" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N2 [label="Prototyping" color="#BA68C8" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N3 [label="Deployment to App Stores" color="#388E3C" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N4 [label="Biometric Authentication" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+	N5 [label="Push Notification Implementation" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N6 [label="Ad Monetization" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N7 [label="User Feedback Collection" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N8 [label="Concept Development" color="#388E3C" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N9 [label="Deep Linking" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+	N10 [label="Offline Mode Development" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N0 -> N1 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="deploys to stores" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="manages updates" dir=forward]
+	N4 -> N5 [color="#03A9F4" penwidth=1.5 style=solid label="concepts ideas" dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="uses microphone" dir=forward]
+	N6 -> N5 [color="#03A9F4" penwidth=1.5 style=dashed label="enables offline access" dir=forward]
+	N8 -> N3 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_225.txt b/test/diagrams/graph_easy/diagrams_225.txt
new file mode 100644
index 0000000000000000000000000000000000000000..95b4d6d65110d86d4c1d5e75e3d7b347183e0eae
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_225.txt
@@ -0,0 +1,12 @@
+<Ad Monetization, connectedTo, User Feedback Collection>
+<Ad Monetization, enables offline access, Push Notification Implementation>
+<Biometric Authentication, concepts ideas, Push Notification Implementation>
+<Camera Integration, connectedTo, Prototyping>
+<Concept Development, connectedTo, Deep Linking>
+<Concept Development, connectedTo, Deployment to App Stores>
+<Deep Linking, uses microphone, Offline Mode Development>
+<Deployment to App Stores, manages updates, Biometric Authentication>
+<Prototyping, deploys to stores, Deployment to App Stores>
+<Push Notification Implementation, connectedTo, Ad Monetization>
+<User Feedback Collection, connectedTo, Concept Development>
+<User Interface Design, connectedTo, Camera Integration>
diff --git a/test/diagrams/graph_easy/diagrams_226.dot b/test/diagrams/graph_easy/diagrams_226.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ef4cb7584f3d18dc6ab192a5f17f7d9ec756f2a6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_226.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Hashtag Research" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N1 [label="Ethical Use of Social Media" color="#D3EB9F" fillcolor="#F8FDD3" shape=vnode_shape style=filled]
+	N2 [label="Partnership Management on Social" color="#CDDC39" fillcolor="#E6EE9C" shape=multipledocuments style=filled]
+	N3 [label="Content Strategy" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N4 [label="Engagement Rate Calculation" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+	N5 [label="Reels or Short Video Production" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N6 [label="Platform Selection" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N7 [label="Emerging Platform Exploration" color="#7986CB" fillcolor="#E8EAF6" shape=database style=filled]
+	N0 -> N1 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="monitors trends" dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="creates content" dir=forward]
+	N5 -> N6 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N3 [color="#CDDC39" penwidth=1.5 style=dashed label="grows followers" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_226.txt b/test/diagrams/graph_easy/diagrams_226.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d4a79c14eb206790ae66d542fdc5656cfb86bbc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_226.txt
@@ -0,0 +1,8 @@
+<Content Strategy, connectedTo, Engagement Rate Calculation>
+<Engagement Rate Calculation, creates content, Reels or Short Video Production>
+<Ethical Use of Social Media, grows followers, Content Strategy>
+<Ethical Use of Social Media, monitors trends, Partnership Management on Social>
+<Hashtag Research, connectedTo, Ethical Use of Social Media>
+<Partnership Management on Social, connectedTo, Content Strategy>
+<Platform Selection, connectedTo, Emerging Platform Exploration>
+<Reels or Short Video Production, connectedTo, Platform Selection>
diff --git a/test/diagrams/graph_easy/diagrams_227.dot b/test/diagrams/graph_easy/diagrams_227.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1348160f685bf96f3e0f782e18e19050e60defb2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_227.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Reach and Impressions Tracking" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N1 [label="Story Format Content Creation" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N2 [label="Cross_Promotion" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N3 [label="Group Management" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N4 [label="Reporting and Optimization" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N5 [label="Competitor Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N6 [label="Social Media Audits" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N7 [label="Content Strategy" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N8 [label="User_Generated Content Curation" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N9 [label="Content Moderation" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N10 [label="Engagement Rate Calculation" color="#E0E0E0" fillcolor="#EBEBEB" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#E0E0E0" penwidth=1.5 style=solid label="tracks performance" dir=forward]
+	N4 -> N5 [color="#AB47BC" penwidth=1.5 style=solid label="produces reels" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="understands algorithms" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="collaborates with influencers" dir=forward]
+	N8 -> N9 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=solid label="builds groups" dir=forward]
+	N6 -> N8 [color="#E0E0E0" penwidth=1.5 style=dashed label="develops crisis plans" dir=forward]
+	N5 -> N8 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_227.txt b/test/diagrams/graph_easy/diagrams_227.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b5c2ef3141e1c8db0513c808758746aa4d1961f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_227.txt
@@ -0,0 +1,12 @@
+<Competitor Analysis, connectedTo, Social Media Audits>
+<Competitor Analysis, connectedTo, User_Generated Content Curation>
+<Content Moderation, builds groups, Engagement Rate Calculation>
+<Content Strategy, collaborates with influencers, User_Generated Content Curation>
+<Cross_Promotion, connectedTo, Group Management>
+<Group Management, tracks performance, Reporting and Optimization>
+<Reach and Impressions Tracking, connectedTo, Story Format Content Creation>
+<Reporting and Optimization, produces reels, Competitor Analysis>
+<Social Media Audits, develops crisis plans, User_Generated Content Curation>
+<Social Media Audits, understands algorithms, Content Strategy>
+<Story Format Content Creation, connectedTo, Cross_Promotion>
+<User_Generated Content Curation, connectedTo, Content Moderation>
diff --git a/test/diagrams/graph_easy/diagrams_228.txt b/test/diagrams/graph_easy/diagrams_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7bb0026e221ef9857e80739d00a5ecb669392578
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_228.txt
@@ -0,0 +1,11 @@
+<Campaign Management, collaborates with influencers, Story Format Content Creation>
+<Campaign Management, selects platforms, Follower Growth Monitoring>
+<Community Management, develops brand voice, Reach and Impressions Tracking>
+<Crisis Communication Plan, curates UGC, Community Management>
+<Cross_Promotion, creates stories, Follower Growth Monitoring>
+<Partnership Management on Social, connectedTo, Cross_Promotion>
+<Partnership Management on Social, connectedTo, Performance Analytics>
+<Performance Analytics, measures reach, Cross_Promotion>
+<Personal Branding on Social Media, connectedTo, Crisis Communication Plan>
+<Reach and Impressions Tracking, connectedTo, Partnership Management on Social>
+<Story Format Content Creation, connectedTo, Personal Branding on Social Media>
diff --git a/test/diagrams/graph_easy/diagrams_229.txt b/test/diagrams/graph_easy/diagrams_229.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17fc76e129251228fd07f05e4a612d050b9a1788
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_229.txt
@@ -0,0 +1,12 @@
+<Algorithm Updates Monitoring, connectedTo, Google My Business Management>
+<Crawling Websites, connectedTo, Algorithm Updates Monitoring>
+<Crawling Websites, detects spam, Google My Business Management>
+<Google My Business Management, handles voice search, Search Console Management>
+<International SEO, connectedTo, Technical SEO>
+<International SEO, manages international SEO, Algorithm Updates Monitoring>
+<Penalties Recovery, personalizes results, Crawling Websites>
+<Query Processing, connectedTo, Semantic Search>
+<Search Console Management, connectedTo, International SEO>
+<Semantic Search, connectedTo, Video Search>
+<Shopping Search, indexes academic papers, Query Processing>
+<Technical SEO, creates content, Shopping Search>
diff --git a/test/diagrams/graph_easy/diagrams_23.dot b/test/diagrams/graph_easy/diagrams_23.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f31d27ae3d8462d9939cca752ef31da689748c11
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_23.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Court Order Execution" color="#C0CA33" fillcolor="#F9FBE7" shape=database style=filled]
+	N1 [label="Enforcement" color="#C0CA33" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N2 [label="Notarization" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N3 [label="Document Drafting" color="#C0CA33" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N4 [label="Evidence Collection" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N5 [label="Trademark Registration" color="#61CAC3" fillcolor="#C2E8E6" shape=vnode_shape style=filled]
+	N6 [label="Regulatory Compliance Review" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N7 [label="Cross_Examination" color="#FFF8A6" fillcolor="#FFFDE0" shape=diamond style=filled]
+	N8 [label="Child Custody" color="#61CAC3" fillcolor="#C2E8E6" shape=action style=filled]
+	N9 [label="Corporate Formation" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=dashed label="registers" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="rules" dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N4 -> N5 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N6 -> N7 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFF8A6" penwidth=1.5 style=solid label="hears" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_23.txt b/test/diagrams/graph_easy/diagrams_23.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b869198609ba07ed7ecb9dcf94a0452c37ff36b4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_23.txt
@@ -0,0 +1,10 @@
+<Child Custody, connectedTo, Corporate Formation>
+<Court Order Execution, registers, Enforcement>
+<Cross_Examination, hears, Child Custody>
+<Document Drafting, analyzes, Evidence Collection>
+<Enforcement, monitors, Notarization>
+<Evidence Collection, connectedTo, Trademark Registration>
+<Notarization, rules, Document Drafting>
+<Regulatory Compliance Review, connectedTo, Cross_Examination>
+<Trademark Registration, connectedTo, Evidence Collection>
+<Trademark Registration, educates, Regulatory Compliance Review>
diff --git a/test/diagrams/graph_easy/diagrams_230.dot b/test/diagrams/graph_easy/diagrams_230.dot
new file mode 100644
index 0000000000000000000000000000000000000000..17b2a8bce732993d447562b237610d61dcf8b212
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_230.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Search Engine Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N1 [label="News Search" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N2 [label="User Intent Understanding" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N3 [label="Core Web Vitals Optimization" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N4 [label="Search Console Management" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N5 [label="Keyword Research" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+	N6 [label="Google My Business Management" color="#AF56A6" fillcolor="#DDCEDD" shape=action style=filled]
+	N7 [label="Competitor Keyword Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=solid label="optimizes on_page" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="handles shopping queries" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N3 -> N5 [color="#AF56A6" penwidth=1.5 style=solid label="processes updates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_231.dot b/test/diagrams/graph_easy/diagrams_231.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a782bdd73c87af4dd6b790c1c5c468054285b767
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_231.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Schema Markup Implementation" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N1 [label="Search Engine Marketing Strategy" color="#FFC2C2" fillcolor="#FFEBEB" shape=rectangle style=filled]
+	N2 [label="Voice Search Optimization" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N3 [label="Academic Search" color="#80DDEA" fillcolor="#D3F7F9" shape=multipledocuments style=filled]
+	N4 [label="Indexing Content" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N5 [label="Personalized Search Results" color="#80DDEA" fillcolor="#D3F7F9" shape=preparation style=filled]
+	N6 [label="Click_Through Rate Optimization" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N7 [label="Search Result Display" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N8 [label="Crawling Websites" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=solid label="personalizes results" dir=forward]
+	N1 -> N2 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed label="displays snippets" dir=forward]
+	N4 -> N5 [color="#80DDEA" penwidth=1.5 style=dashed label="builds knowledge graphs" dir=forward]
+	N5 -> N6 [color="#80DDEA" penwidth=1.5 style=dashed label="indexes videos" dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=solid label="manages PPC" dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_231.txt b/test/diagrams/graph_easy/diagrams_231.txt
new file mode 100644
index 0000000000000000000000000000000000000000..88cb944e1749d2362827f4650c76595aa5345c5f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_231.txt
@@ -0,0 +1,9 @@
+<Academic Search, displays snippets, Indexing Content>
+<Click_Through Rate Optimization, connectedTo, Search Engine Marketing Strategy>
+<Click_Through Rate Optimization, manages PPC, Search Result Display>
+<Indexing Content, builds knowledge graphs, Personalized Search Results>
+<Personalized Search Results, indexes videos, Click_Through Rate Optimization>
+<Schema Markup Implementation, personalizes results, Search Engine Marketing Strategy>
+<Search Engine Marketing Strategy, connectedTo, Voice Search Optimization>
+<Search Result Display, connectedTo, Crawling Websites>
+<Voice Search Optimization, connectedTo, Academic Search>
diff --git a/test/diagrams/graph_easy/diagrams_232.dot b/test/diagrams/graph_easy/diagrams_232.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f738b4c07817a48ba01d04ec0dad989dcb2fe995
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_232.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="User Registration" color="#EAEFA5" fillcolor="#FDFCEB" shape=predefinedprocess style=filled]
+	N1 [label="Identity as a Service" color="#9C27B0" fillcolor="#E1BEE7" shape=preparation style=filled]
+	N2 [label="User Provisioning" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+	N3 [label="Digital Certificates" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N4 [label="Privacy Management" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N5 [label="Credential Management" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N6 [label="Identity Threat Detection and Response" color="#EAEFA5" fillcolor="#FDFCEB" shape=document style=filled]
+	N7 [label="Decentralized Identifiers" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N8 [label="Authentication" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N9 [label="Authorization" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N10 [label="KYC Integration" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#9575CD" penwidth=1.5 style=dashed label="assesses risks" dir=forward]
+	N3 -> N4 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="authenticates users" dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9575CD" penwidth=1.5 style=solid label="provides IDaaS" dir=forward]
+	N7 -> N8 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="revokes access" dir=forward]
+	N1 -> N6 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N3 [color="#9C27B0" penwidth=1.5 style=dashed label="integrates social logins" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_232.txt b/test/diagrams/graph_easy/diagrams_232.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1b84b6cf2d48306b5023b1860d3c12a116f5733c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_232.txt
@@ -0,0 +1,12 @@
+<Authentication, connectedTo, Authorization>
+<Authorization, revokes access, KYC Integration>
+<Credential Management, connectedTo, Identity Threat Detection and Response>
+<Credential Management, integrates social logins, Digital Certificates>
+<Decentralized Identifiers, connectedTo, Authentication>
+<Digital Certificates, connectedTo, Privacy Management>
+<Identity Threat Detection and Response, provides IDaaS, Decentralized Identifiers>
+<Identity as a Service, connectedTo, Identity Threat Detection and Response>
+<Identity as a Service, connectedTo, User Provisioning>
+<Privacy Management, authenticates users, Credential Management>
+<User Provisioning, assesses risks, Digital Certificates>
+<User Registration, connectedTo, Identity as a Service>
diff --git a/test/diagrams/graph_easy/diagrams_233.dot b/test/diagrams/graph_easy/diagrams_233.dot
new file mode 100644
index 0000000000000000000000000000000000000000..11ca60241fd84d47d7cada78e238d2656bd918b2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_233.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Credential Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N1 [label="Privileged Access Management" color="#80DDEA" fillcolor="#D3F7F9" shape=vnode_shape style=filled]
+	N2 [label="Risk_Based Authentication" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N3 [label="Blockchain_based Identity" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N4 [label="Identity as a Service" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N5 [label="Decentralized Identifiers" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N6 [label="Attribute Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N7 [label="Privacy Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=dashed label="registers identities" dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=dashed label="creates portable identities" dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=solid label="uses biometrics" dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#80DDEA" penwidth=1.5 style=solid label="manages passwords" dir=forward]
+	N6 -> N7 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N5 -> N3 [color="#66BB6A" penwidth=1.5 style=dashed label="stores attributes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_233.txt b/test/diagrams/graph_easy/diagrams_233.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b07b840c083299dca84b8d3bcf266d1410778b5a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_233.txt
@@ -0,0 +1,8 @@
+<Attribute Management, connectedTo, Privacy Management>
+<Blockchain_based Identity, uses biometrics, Identity as a Service>
+<Credential Management, registers identities, Privileged Access Management>
+<Decentralized Identifiers, manages passwords, Attribute Management>
+<Decentralized Identifiers, stores attributes, Blockchain_based Identity>
+<Identity as a Service, connectedTo, Decentralized Identifiers>
+<Privileged Access Management, creates portable identities, Risk_Based Authentication>
+<Risk_Based Authentication, connectedTo, Blockchain_based Identity>
diff --git a/test/diagrams/graph_easy/diagrams_235.dot b/test/diagrams/graph_easy/diagrams_235.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4182adad05737e3dac53abdb9167bd1d7f98f40c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_235.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Virtual Classroom Facilitation" color="#A188DB" fillcolor="#DED7F0" shape=rect style=filled]
+	N1 [label="Professional Development Courses" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N2 [label="Curriculum Development" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+	N3 [label="Discussion Forum Moderation" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N4 [label="Virtual Labs and Simulations" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N5 [label="Synchronous Learning" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N6 [label="Learning Analytics" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N7 [label="Collaborative Projects" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N8 [label="Interactive Learning Activities" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N9 [label="AI in Online Education" color="#A188DB" fillcolor="#DED7F0" shape=database style=filled]
+	N10 [label="Competency_Based Education" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+	N0 -> N1 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A188DB" penwidth=1.5 style=dashed label="uses blockchain for credentials" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="provides digital textbooks" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="protects data privacy" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="trains educators" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="secures platforms" dir=forward]
+	N6 -> N7 [color="#A188DB" penwidth=1.5 style=dashed label="analyzes learning data" dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#64B5F6" penwidth=1.5 style=solid label="integrates AI" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N9 [color="#7986CB" penwidth=1.5 style=dashed label="digitizes curriculum" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_236.dot b/test/diagrams/graph_easy/diagrams_236.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8f313d54936af862618d5d449142a5f4fed6a2b6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_236.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Virtual Field Trips" color="#FF5722" fillcolor="#FFCCBC" shape=rect style=filled]
+	N1 [label="Digital Badges" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N2 [label="Language Learning Platforms" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N3 [label="Personalized Learning Paths" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N4 [label="AI in Online Education" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N5 [label="Course Design" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N6 [label="Learning Analytics" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N7 [label="Asynchronous Learning" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N8 [label="Professional Development Courses" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N0 -> N1 [color="#42A5F5" penwidth=1.5 style=solid label="offers professional development" dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=solid label="provides feedback" dir=forward]
+	N5 -> N6 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=dashed label="integrates robotics" dir=forward]
+	N7 -> N8 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N1 [color="#FFDA4E" penwidth=1.5 style=solid label="manages enrollments" dir=forward]
+	N3 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid label="manages hardware" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_236.txt b/test/diagrams/graph_easy/diagrams_236.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0040e504b9cb9feb410273f674048d3204e0ae78
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_236.txt
@@ -0,0 +1,10 @@
+<AI in Online Education, provides feedback, Course Design>
+<Asynchronous Learning, connectedTo, Professional Development Courses>
+<Course Design, connectedTo, Learning Analytics>
+<Digital Badges, connectedTo, Language Learning Platforms>
+<Language Learning Platforms, connectedTo, Personalized Learning Paths>
+<Learning Analytics, integrates robotics, Asynchronous Learning>
+<Learning Analytics, manages enrollments, Digital Badges>
+<Personalized Learning Paths, connectedTo, AI in Online Education>
+<Personalized Learning Paths, manages hardware, Asynchronous Learning>
+<Virtual Field Trips, offers professional development, Digital Badges>
diff --git a/test/diagrams/graph_easy/diagrams_237.txt b/test/diagrams/graph_easy/diagrams_237.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2597ffd691aade1cc4c612333a70950d66d7871b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_237.txt
@@ -0,0 +1,8 @@
+<AI in Online Education, secures platforms, Adaptive Learning Technologies>
+<Accreditation Management, uses AR or VR for learning, Instructor Training>
+<Adaptive Learning Technologies, connectedTo, Accreditation Management>
+<Instructor Training, connectedTo, Virtual Field Trips>
+<Online Tutoring, administers assessments, Adaptive Learning Technologies>
+<Online Tutoring, integrates robotics, Test Preparation Courses>
+<Test Preparation Courses, connectedTo, Learning Analytics>
+<Virtual Field Trips, issues certificates, Online Tutoring>
diff --git a/test/diagrams/graph_easy/diagrams_238.dot b/test/diagrams/graph_easy/diagrams_238.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e56a7912ff0ec2bf78d4727714cdbfa27b716b16
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_238.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Engagement Metrics Tracking" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N1 [label="Employer Recognition" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N2 [label="Research on MOOC Effectiveness" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	N3 [label="Financial Aid for Learners" color="#F7BEE0" fillcolor="#FAEBF3" shape=predefinedprocess style=filled]
+	N4 [label="Course Retirement Planning" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N5 [label="Instructor_Led Sessions" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N6 [label="Content Licensing" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N7 [label="Self_Paced Learning Tracks" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=solid label="provides technical support" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed label="innovates pedagogy" dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid label="manages instructors" dir=forward]
+	N4 -> N5 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=solid label="designs courses" dir=forward]
+	N1 -> N4 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_238.txt b/test/diagrams/graph_easy/diagrams_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7b77bd1a415b05a19447cfd0877520d641f78092
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_238.txt
@@ -0,0 +1,8 @@
+<Content Licensing, designs courses, Self_Paced Learning Tracks>
+<Course Retirement Planning, connectedTo, Instructor_Led Sessions>
+<Employer Recognition, connectedTo, Course Retirement Planning>
+<Employer Recognition, connectedTo, Research on MOOC Effectiveness>
+<Engagement Metrics Tracking, provides technical support, Employer Recognition>
+<Financial Aid for Learners, manages instructors, Course Retirement Planning>
+<Instructor_Led Sessions, connectedTo, Content Licensing>
+<Research on MOOC Effectiveness, innovates pedagogy, Financial Aid for Learners>
diff --git a/test/diagrams/graph_easy/diagrams_239.dot b/test/diagrams/graph_easy/diagrams_239.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7edb2d10f171b845c80d730ae05e3b37bc011d0d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_239.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Corporate Training Solutions" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N1 [label="Content Licensing" color="#AABEC6" fillcolor="#E0E6E9" shape=preparation style=filled]
+	N2 [label="Financial Aid for Learners" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N3 [label="Global Accessibility Features" color="#AABEC6" fillcolor="#E0E6E9" shape=predefinedprocess style=filled]
+	N4 [label="Forum Moderation" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N5 [label="Course Pilot Testing" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N6 [label="Course Retirement Planning" color="#A188D0" fillcolor="#DACBE3" shape=hexagon style=filled]
+	N7 [label="Instructor Recruitment for MOOCs" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N0 -> N1 [color="#AABEC6" penwidth=1.5 style=dashed label="issues statements of accomplishment" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="provides accessibility" dir=forward]
+	N2 -> N3 [color="#AABEC6" penwidth=1.5 style=solid label="monetizes offerings" dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#AABEC6" penwidth=1.5 style=solid label="collaborates with experts" dir=forward]
+	N5 -> N6 [color="#26A69A" penwidth=1.5 style=dashed label="localizes platforms" dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N0 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_24.dot b/test/diagrams/graph_easy/diagrams_24.dot
new file mode 100644
index 0000000000000000000000000000000000000000..172d9834b74951f728cb8d5db2883e8a52e74a38
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_24.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Arbitration Session" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+	N1 [label="Amicus Brief Submission" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N2 [label="Document Drafting" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N3 [label="Patent Application" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N4 [label="Court Order Execution" color="#9FA9E1" fillcolor="#D6D9F0" shape=inputoutput style=filled]
+	N5 [label="Trademark Registration" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N6 [label="Witness Testimony" color="#82DAFF" fillcolor="#C8EDFF" shape=vnode_shape style=filled]
+	N7 [label="Judgment Writing" color="#82DAFF" fillcolor="#C8EDFF" shape=document style=filled]
+	N8 [label="Client Interview" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N9 [label="Plea Bargain" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N0 -> N1 [color="#9FA9E1" penwidth=1.5 style=dashed label="registers" dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid label="represents" dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=dashed label="summarizes" dir=forward]
+	N3 -> N4 [color="#9FA9E1" penwidth=1.5 style=solid label="rules" dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid label="litigates" dir=forward]
+	N8 -> N9 [color="#82DAFF" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N4 -> N8 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_24.txt b/test/diagrams/graph_easy/diagrams_24.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7dc353824c46eeec7c54af24fd602ae9cafcef3a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_24.txt
@@ -0,0 +1,10 @@
+<Amicus Brief Submission, represents, Document Drafting>
+<Arbitration Session, registers, Amicus Brief Submission>
+<Client Interview, reviews, Plea Bargain>
+<Court Order Execution, connectedTo, Client Interview>
+<Court Order Execution, connectedTo, Trademark Registration>
+<Document Drafting, summarizes, Patent Application>
+<Judgment Writing, litigates, Client Interview>
+<Patent Application, rules, Court Order Execution>
+<Trademark Registration, connectedTo, Witness Testimony>
+<Witness Testimony, educates, Judgment Writing>
diff --git a/test/diagrams/graph_easy/diagrams_240.dot b/test/diagrams/graph_easy/diagrams_240.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b520226ca68061bfa02e36dd0cf646213b0852bb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_240.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Course Audit Options" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+	N1 [label="Discussion Forum Management" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N2 [label="Instructor_Led Sessions" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N3 [label="Learner Analytics" color="#CDDC39" fillcolor="#E6EE9C" shape=action style=filled]
+	N4 [label="University Partnerships" color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+	N5 [label="Course Promotion" color="#CDDC39" fillcolor="#E6EE9C" shape=document style=filled]
+	N6 [label="Completion Rate Optimization" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N7 [label="Engagement Metrics Tracking" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#CDDC39" penwidth=1.5 style=solid label="develops content" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="issues statements of accomplishment" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="offers assignments" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed label="provides technical support" dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=solid label="personalizes learning" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="provides readings" dir=forward]
+	N3 -> N1 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_240.txt b/test/diagrams/graph_easy/diagrams_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5e29d266ff6d02b5f2997ed6bdd50fbf75fcd7c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_240.txt
@@ -0,0 +1,8 @@
+<Completion Rate Optimization, provides readings, Engagement Metrics Tracking>
+<Course Audit Options, develops content, Discussion Forum Management>
+<Course Promotion, personalizes learning, Completion Rate Optimization>
+<Discussion Forum Management, issues statements of accomplishment, Instructor_Led Sessions>
+<Instructor_Led Sessions, offers assignments, Learner Analytics>
+<Learner Analytics, connectedTo, Discussion Forum Management>
+<Learner Analytics, connectedTo, University Partnerships>
+<University Partnerships, provides technical support, Course Promotion>
diff --git a/test/diagrams/graph_easy/diagrams_241.dot b/test/diagrams/graph_easy/diagrams_241.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b67a9cf62b7b615311d7dd4e98c3e2e0c707e8f4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_241.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Exam Day Tips" color="#607D8B" fillcolor="#CFD8DC" shape=document style=filled]
+	N1 [label="English Proficiency Test Prep" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+	N2 [label="Diagnostic Assessment" color="#F06292" fillcolor="#FCE4EC" shape=inputoutput style=filled]
+	N3 [label="Critical Thinking Development" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N4 [label="College Entrance Exam Prep" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N5 [label="Stress Management for Exams" color="#F06292" fillcolor="#FCE4EC" shape=inputoutput style=filled]
+	N6 [label="Math Skills Refresher" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	N7 [label="Time Management Coaching" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N8 [label="Practice Test Creation" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N9 [label="Question Bank Management" color="#607D8B" fillcolor="#CFD8DC" shape=document style=filled]
+	N10 [label="Personalized Study Plans" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N11 [label="Performance Feedback" color="#F06292" fillcolor="#FCE4EC" shape=inputoutput style=filled]
+	N0 -> N1 [color="#607D8B" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=dashed label="adapts" dir=forward]
+	N2 -> N3 [color="#F06292" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N3 -> N4 [color="#607D8B" penwidth=1.5 style=solid label="enrolls" dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#607D8B" penwidth=1.5 style=solid label="counsels" dir=forward]
+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="reviews" dir=forward]
+	N10 -> N11 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#2196F3" penwidth=1.5 style=dashed label="distributes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_241.txt b/test/diagrams/graph_easy/diagrams_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0de73b1ecb941132d026f1d3af04b632f3e97338
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_241.txt
@@ -0,0 +1,12 @@
+<College Entrance Exam Prep, connectedTo, Stress Management for Exams>
+<Critical Thinking Development, enrolls, College Entrance Exam Prep>
+<Diagnostic Assessment, certifies, Critical Thinking Development>
+<English Proficiency Test Prep, adapts, Diagnostic Assessment>
+<Exam Day Tips, diagnoses, English Proficiency Test Prep>
+<Exam Day Tips, distributes, Math Skills Refresher>
+<Math Skills Refresher, connectedTo, Time Management Coaching>
+<Personalized Study Plans, connectedTo, Performance Feedback>
+<Practice Test Creation, connectedTo, Question Bank Management>
+<Question Bank Management, reviews, Personalized Study Plans>
+<Stress Management for Exams, connectedTo, Math Skills Refresher>
+<Time Management Coaching, counsels, Practice Test Creation>
diff --git a/test/diagrams/graph_easy/diagrams_242.dot b/test/diagrams/graph_easy/diagrams_242.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9501d606302527a42049cde0bc79a671ca1eb538
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_242.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Tutoring Session" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N1 [label="Study Environment Optimization" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N2 [label="Performance Feedback" color="#92C79A" fillcolor="#E8F0EA" shape=rectangle style=filled]
+	N3 [label="Adaptive Learning Algorithms" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N4 [label="Curriculum Development" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N5 [label="Interactive Exercises" color="#7E57C2" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N6 [label="Critical Thinking Development" color="#AB47BC" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N7 [label="Study Material Design" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N8 [label="Motivation Coaching" color="#AB47BC" fillcolor="#F3E5F5" shape=document style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="interacts" dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=solid label="counsels" dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=solid label="enrolls" dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
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+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_242.txt b/test/diagrams/graph_easy/diagrams_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e4604e2c172a1c43ca8c2f560e0e44506e048f13
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_242.txt
@@ -0,0 +1,9 @@
+<Adaptive Learning Algorithms, interacts, Curriculum Development>
+<Critical Thinking Development, enrolls, Study Material Design>
+<Curriculum Development, licenses, Interactive Exercises>
+<Interactive Exercises, counsels, Critical Thinking Development>
+<Performance Feedback, connectedTo, Adaptive Learning Algorithms>
+<Study Environment Optimization, connectedTo, Interactive Exercises>
+<Study Environment Optimization, connectedTo, Performance Feedback>
+<Study Material Design, connectedTo, Motivation Coaching>
+<Tutoring Session, connectedTo, Study Environment Optimization>
diff --git a/test/diagrams/graph_easy/diagrams_243.dot b/test/diagrams/graph_easy/diagrams_243.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b43127d67d092823c52711d8454faeea08b271dd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_243.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Performance Prediction Models" color="#A1D7CD" fillcolor="#EDF5F3" shape=database style=filled]
+	N1 [label="Performance Feedback" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N2 [label="Video Lecture Production" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N3 [label="AI_Powered Tutoring" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N4 [label="Interactive Exercises" color="#A1D7CD" fillcolor="#EDF5F3" shape=database style=filled]
+	N5 [label="Motivation Coaching" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N6 [label="Science Concept Review" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N7 [label="Subject Matter Review" color="#94C0C0" fillcolor="#CADEDE" shape=multipledocuments style=filled]
+	N8 [label="Mock Exam Administration" color="#4DD0E1" fillcolor="#C9F0F0" shape=predefinedprocess style=filled]
+	N9 [label="Curriculum Development" color="#94C0C0" fillcolor="#CADEDE" shape=database style=filled]
+	N10 [label="Critical Thinking Development" color="#94C0C0" fillcolor="#CADEDE" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="markets" dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#4DD0E1" penwidth=1.5 style=dashed label="facilitates" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=solid label="evaluates" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="sells" dir=forward]
+	N9 -> N10 [color="#A1D7CD" penwidth=1.5 style=dashed label="coaches" dir=forward]
+	N1 -> N10 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_243.txt b/test/diagrams/graph_easy/diagrams_243.txt
new file mode 100644
index 0000000000000000000000000000000000000000..185ec4f74ede682aab950ffee6821b402b77b865
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_243.txt
@@ -0,0 +1,11 @@
+<AI_Powered Tutoring, connectedTo, Interactive Exercises>
+<Curriculum Development, coaches, Critical Thinking Development>
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+<Mock Exam Administration, sells, Curriculum Development>
+<Motivation Coaching, connectedTo, Science Concept Review>
+<Performance Feedback, connectedTo, Critical Thinking Development>
+<Performance Feedback, tracks, Video Lecture Production>
+<Performance Prediction Models, connectedTo, Performance Feedback>
+<Science Concept Review, facilitates, Subject Matter Review>
+<Subject Matter Review, evaluates, Mock Exam Administration>
+<Video Lecture Production, connectedTo, AI_Powered Tutoring>
diff --git a/test/diagrams/graph_easy/diagrams_244.dot b/test/diagrams/graph_easy/diagrams_244.dot
new file mode 100644
index 0000000000000000000000000000000000000000..78cc30e39c1bf1eaedfc82529abc7003aaada008
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_244.dot
@@ -0,0 +1,19 @@
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+	N7 [label="Reading Comprehension" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
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+	N1 -> N2 [color="#BA68C8" penwidth=1.5 style=solid label="distributes" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid label="assesses" dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N4 -> N1 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_244.txt b/test/diagrams/graph_easy/diagrams_244.txt
new file mode 100644
index 0000000000000000000000000000000000000000..209907f997f0dd1eaf502d2b2265fa8d4fda8c96
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_244.txt
@@ -0,0 +1,8 @@
+<Audio Lessons, connectedTo, Video Lessons>
+<Contextual Learning, connectedTo, Reading Comprehension>
+<Language Assessment Tests, connects, Pronunciation Drills>
+<Pronunciation Drills, distributes, Writing Exercises>
+<Slang and Idioms Learning, connectedTo, Contextual Learning>
+<Video Lessons, assesses, Slang and Idioms Learning>
+<Video Lessons, tests, Pronunciation Drills>
+<Writing Exercises, connectedTo, Audio Lessons>
diff --git a/test/diagrams/graph_easy/diagrams_245.dot b/test/diagrams/graph_easy/diagrams_245.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9639b6f9c2d918f4f6dee1c964bebe9b34ec09b7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_245.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Language Assessment Tests" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N1 [label="Speaking Practice" color="#FFA726" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N2 [label="Progress Tracking" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N3 [label="Language for Specific Purposes" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N4 [label="Video Lessons" color="#94C0C0" fillcolor="#CADEDE" shape=preparation style=filled]
+	N5 [label="Accent Reduction Coaching" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N6 [label="Children's Language Learning" color="#FFA726" fillcolor="#FFF3E0" shape=rect style=filled]
+	N7 [label="AI_Powered Language Tutors" color="#FFA726" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N8 [label="Pronunciation Drills" color="#FFA726" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N9 [label="Slang and Idioms Learning" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N10 [label="Personalized Learning Paths" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N11 [label="Listening Comprehension" color="#FFA726" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=dashed label="dialogues" dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFA726" penwidth=1.5 style=dashed label="connects" dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=dashed label="reads" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFA726" penwidth=1.5 style=dashed label="teaches" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=dashed label="interacts" dir=forward]
+	N8 -> N9 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#94C0C0" penwidth=1.5 style=solid label="automates" dir=forward]
+	N10 -> N11 [color="#94C0C0" penwidth=1.5 style=dashed label="memorizes" dir=forward]
+	N3 -> N5 [color="#000000" penwidth=1.5 style=solid label="immerses" dir=forward]
+	N11 -> N8 [color="#7986CB" penwidth=1.5 style=solid label="certifies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_246.dot b/test/diagrams/graph_easy/diagrams_246.dot
new file mode 100644
index 0000000000000000000000000000000000000000..66fed30695bfa9fe9f780b2032f9968a219e0bfc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_246.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Language Assessment Tests" color="#607D8B" fillcolor="#CFD8DC" shape=inputoutput style=filled]
+	N1 [label="Language Exchange Programs" color="#DCE775" fillcolor="#FCFCE7" shape=preparation style=filled]
+	N2 [label="Speaking Practice" color="#AABEC6" fillcolor="#E0E6E9" shape=preparation style=filled]
+	N3 [label="Certification Exam Preparation" color="#DCE775" fillcolor="#FCFCE7" shape=document style=filled]
+	N4 [label="Interactive Dialogues" color="#DCE775" fillcolor="#FCFCE7" shape=preparation style=filled]
+	N5 [label="Error Correction Feedback" color="#AABEC6" fillcolor="#E0E6E9" shape=rectangle style=filled]
+	N6 [label="Curriculum Customization" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N7 [label="Progress Tracking" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N8 [label="Instructor_Led Classes" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N9 [label="Sentence Construction Practice" color="#DCE775" fillcolor="#FCFCE7" shape=predefinedprocess style=filled]
+	N10 [label="AI_Powered Language Tutors" color="#DCE775" fillcolor="#FCFCE7" shape=multipledocuments style=filled]
+	N11 [label="Memory Retention Techniques" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+	N0 -> N1 [color="#607D8B" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=dashed label="converts" dir=forward]
+	N2 -> N3 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#AABEC6" penwidth=1.5 style=solid label="subscribes" dir=forward]
+	N4 -> N5 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#607D8B" penwidth=1.5 style=solid label="writes" dir=forward]
+	N7 -> N8 [color="#607D8B" penwidth=1.5 style=solid label="motivates" dir=forward]
+	N8 -> N9 [color="#AABEC6" penwidth=1.5 style=solid label="engages" dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N10 -> N11 [color="#DCE775" penwidth=1.5 style=solid label="translates" dir=forward]
+	N8 -> N1 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_246.txt b/test/diagrams/graph_easy/diagrams_246.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24efce7604030d90d7d456a2ad113a148819abe9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_246.txt
@@ -0,0 +1,12 @@
+<AI_Powered Language Tutors, translates, Memory Retention Techniques>
+<Certification Exam Preparation, subscribes, Interactive Dialogues>
+<Curriculum Customization, writes, Progress Tracking>
+<Error Correction Feedback, connectedTo, Curriculum Customization>
+<Instructor_Led Classes, connectedTo, Language Exchange Programs>
+<Instructor_Led Classes, engages, Sentence Construction Practice>
+<Interactive Dialogues, connectedTo, Error Correction Feedback>
+<Language Assessment Tests, certifies, Language Exchange Programs>
+<Language Exchange Programs, converts, Speaking Practice>
+<Progress Tracking, motivates, Instructor_Led Classes>
+<Sentence Construction Practice, markets, AI_Powered Language Tutors>
+<Speaking Practice, connectedTo, Certification Exam Preparation>
diff --git a/test/diagrams/graph_easy/diagrams_247.txt b/test/diagrams/graph_easy/diagrams_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..46dde1c71a12e47692adc9b9d53898c9a4c0e804
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_247.txt
@@ -0,0 +1,9 @@
+<Bipolar Disorder Management, connectedTo, Relapse Prevention>
+<Child & Adolescent Therapy, licenses, Music Therapy>
+<Crisis Intervention, audits, Child & Adolescent Therapy>
+<Crisis Intervention, connectedTo, Relapse Prevention>
+<Depression Treatment, manages, Crisis Intervention>
+<Music Therapy, complies, Schizophrenia Management>
+<Music Therapy, connectedTo, Crisis Intervention>
+<Relapse Prevention, connectedTo, Suicide Prevention>
+<Schizophrenia Management, connectedTo, Bipolar Disorder Management>
diff --git a/test/diagrams/graph_easy/diagrams_248.dot b/test/diagrams/graph_easy/diagrams_248.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8477b2073a0b1443b752849bb0d8bc4fffdd006d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_248.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Cognitive Behavioral Therapy" color="#673AB7" fillcolor="#D1C4E9" shape=rect style=filled]
+	N1 [label="Therapy Session" color="#BDAFA8" fillcolor="#E4E0DF" shape=preparation style=filled]
+	N2 [label="Bipolar Disorder Management" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N3 [label="Depression Treatment" color="#673AB7" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N4 [label="Treatment Plan Development" color="#BDAFA8" fillcolor="#E4E0DF" shape=inputoutput style=filled]
+	N5 [label="Support Group Facilitation" color="#BDAFA8" fillcolor="#E4E0DF" shape=rectangle style=filled]
+	N6 [label="Child & Adolescent Therapy" color="#BDAFA8" fillcolor="#E4E0DF" shape=document style=filled]
+	N7 [label="Art Therapy" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N8 [label="Mental Health Education" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N9 [label="Emotional Regulation Training" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=solid label="advises" dir=forward]
+	N1 -> N2 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#92C79A" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N3 -> N4 [color="#673AB7" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#92C79A" penwidth=1.5 style=solid label="counsels" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="advocates" dir=forward]
+	N0 -> N3 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N1 -> N6 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_248.txt b/test/diagrams/graph_easy/diagrams_248.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a3667857d06b832cbef2dc61df40f0693ddf13a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_248.txt
@@ -0,0 +1,11 @@
+<Art Therapy, counsels, Mental Health Education>
+<Bipolar Disorder Management, supports, Depression Treatment>
+<Child & Adolescent Therapy, connectedTo, Art Therapy>
+<Cognitive Behavioral Therapy, advises, Therapy Session>
+<Cognitive Behavioral Therapy, connectedTo, Depression Treatment>
+<Depression Treatment, integrates, Treatment Plan Development>
+<Mental Health Education, advocates, Emotional Regulation Training>
+<Support Group Facilitation, connectedTo, Child & Adolescent Therapy>
+<Therapy Session, connectedTo, Bipolar Disorder Management>
+<Therapy Session, connectedTo, Child & Adolescent Therapy>
+<Treatment Plan Development, connectedTo, Support Group Facilitation>
diff --git a/test/diagrams/graph_easy/diagrams_249.txt b/test/diagrams/graph_easy/diagrams_249.txt
new file mode 100644
index 0000000000000000000000000000000000000000..79661e273cc0230595fcb578330a28294777da8a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_249.txt
@@ -0,0 +1,13 @@
+<Advocacy for Mental Health, connectedTo, Child & Adolescent Therapy>
+<Diagnosis and Assessment, trains, Suicide Prevention>
+<Dialectical Behavior Therapy, integrates, Outpatient Program Management>
+<Emotional Regulation Training, connectedTo, Diagnosis and Assessment>
+<Medication Management, consults, Trauma Therapy>
+<Mental Health Screening, coping, Emotional Regulation Training>
+<Outpatient Program Management, connectedTo, Dialectical Behavior Therapy>
+<Outpatient Program Management, connectedTo, Schizophrenia Management>
+<Schizophrenia Management, connectedTo, Stress Reduction Techniques>
+<Stress Reduction Techniques, guides, Medication Management>
+<Suicide Prevention, connectedTo, Dialectical Behavior Therapy>
+<Suicide Prevention, connectedTo, Trauma Therapy>
+<Trauma Therapy, connectedTo, Advocacy for Mental Health>
diff --git a/test/diagrams/graph_easy/diagrams_25.dot b/test/diagrams/graph_easy/diagrams_25.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e7182fdbe625acd1fcc97cfff674d6afb1840fc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_25.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Packing Process" color="#CFCFCF" fillcolor="#F6F6F6" shape=database style=filled]
+	N1 [label="Route Optimization Software" color="#EAEFA5" fillcolor="#FDFCEB" shape=action style=filled]
+	N2 [label="Fleet Maintenance Scheduling" color="#EAEFA5" fillcolor="#FDFCEB" shape=vnode_shape style=filled]
+	N3 [label="Customs Clearance" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N4 [label="Demand Forecasting Integration" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N5 [label="Delivery Confirmation" color="#9FA9E1" fillcolor="#D6D9F0" shape=inputoutput style=filled]
+	N6 [label="Damage Reporting" color="#EAEFA5" fillcolor="#FDFCEB" shape=document style=filled]
+	N7 [label="Rail Transport Coordination" color="#9FA9E1" fillcolor="#D6D9F0" shape=multipledocuments style=filled]
+	N8 [label="Delay Notification" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N0 -> N1 [color="#9FA9E1" penwidth=1.5 style=solid label="books" dir=forward]
+	N1 -> N2 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid label="delivers" dir=forward]
+	N7 -> N8 [color="#EAEFA5" penwidth=1.5 style=dashed label="matches" dir=forward]
+	N3 -> N1 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N3 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_25.txt b/test/diagrams/graph_easy/diagrams_25.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e7611e45747def58e39930fffe64e1268cb5875a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_25.txt
@@ -0,0 +1,10 @@
+<Customs Clearance, connectedTo, Route Optimization Software>
+<Customs Clearance, measures, Demand Forecasting Integration>
+<Damage Reporting, delivers, Rail Transport Coordination>
+<Delay Notification, connectedTo, Customs Clearance>
+<Delivery Confirmation, tracks, Damage Reporting>
+<Demand Forecasting Integration, connectedTo, Delivery Confirmation>
+<Fleet Maintenance Scheduling, inspects, Customs Clearance>
+<Packing Process, books, Route Optimization Software>
+<Rail Transport Coordination, matches, Delay Notification>
+<Route Optimization Software, connectedTo, Fleet Maintenance Scheduling>
diff --git a/test/diagrams/graph_easy/diagrams_250.dot b/test/diagrams/graph_easy/diagrams_250.dot
new file mode 100644
index 0000000000000000000000000000000000000000..144f86c8d81324a32cbc32794add087a4f463f1d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_250.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Public Health Nutrition Programs" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	N1 [label="Inflammation and Diet" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N2 [label="Supplement Recommendation" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+	N3 [label="Micronutrient Analysis" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N4 [label="Grocery Shopping Guidance" color="#A1D7CD" fillcolor="#EDF5F3" shape=predefinedprocess style=filled]
+	N5 [label="Maternal Nutrition" color="#A1D7CD" fillcolor="#EDF5F3" shape=action style=filled]
+	N6 [label="Child Nutrition" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N7 [label="Clinical Nutrition Support" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+	N8 [label="Nutritional Biomarker Analysis" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N9 [label="Nutritional Counseling" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N10 [label="Body Composition Analysis" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N11 [label="Food Preparation Guidance" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N0 -> N1 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=solid label="audits" dir=forward]
+	N5 -> N6 [color="#FFCC7A" penwidth=1.5 style=solid label="improves" dir=forward]
+	N6 -> N7 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#CFCFCF" penwidth=1.5 style=dashed label="prevents" dir=forward]
+	N8 -> N9 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#CFCFCF" penwidth=1.5 style=dashed label="promotes" dir=forward]
+	N10 -> N11 [color="#CFCFCF" penwidth=1.5 style=solid label="guides" dir=forward]
+	N9 -> N6 [color="#CFCFCF" penwidth=1.5 style=solid label="plans" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_250.txt b/test/diagrams/graph_easy/diagrams_250.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4c3745a69c7e9bb109677f8ea6c275b5d9f1a67
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_250.txt
@@ -0,0 +1,12 @@
+<Body Composition Analysis, guides, Food Preparation Guidance>
+<Child Nutrition, connectedTo, Clinical Nutrition Support>
+<Clinical Nutrition Support, prevents, Nutritional Biomarker Analysis>
+<Grocery Shopping Guidance, audits, Maternal Nutrition>
+<Inflammation and Diet, connectedTo, Supplement Recommendation>
+<Maternal Nutrition, improves, Child Nutrition>
+<Micronutrient Analysis, researches, Grocery Shopping Guidance>
+<Nutritional Biomarker Analysis, connectedTo, Nutritional Counseling>
+<Nutritional Counseling, plans, Child Nutrition>
+<Nutritional Counseling, promotes, Body Composition Analysis>
+<Public Health Nutrition Programs, connectedTo, Inflammation and Diet>
+<Supplement Recommendation, educates, Micronutrient Analysis>
diff --git a/test/diagrams/graph_easy/diagrams_251.dot b/test/diagrams/graph_easy/diagrams_251.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b114b2c8d13de59e896e2974d2b63231c4e55c13
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_251.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Clinical Nutrition Support" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N1 [label="Macronutrient Tracking" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N2 [label="Restaurant Menu Analysis" color="#BDAFA8" fillcolor="#E4E0DF" shape=database style=filled]
+	N3 [label="Detoxification Programs" color="#B0C5CD" fillcolor="#DFE7EB" shape=multipledocuments style=filled]
+	N4 [label="Food Label Interpretation" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N5 [label="Supplement Recommendation" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N6 [label="Nutritional Counseling" color="#BDAFA8" fillcolor="#E4E0DF" shape=preparation style=filled]
+	N7 [label="Disease_Specific Nutrition" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N8 [label="Food Waste Reduction" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N9 [label="Elderly Nutrition" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=solid label="audits" dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=solid label="personalizes" dir=forward]
+	N2 -> N3 [color="#94C0C0" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=dashed label="identifies" dir=forward]
+	N8 -> N9 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid label="plans" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_251.txt b/test/diagrams/graph_easy/diagrams_251.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8cab3417288d876c044e743c1028ce7636b4004
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_251.txt
@@ -0,0 +1,10 @@
+<Clinical Nutrition Support, audits, Macronutrient Tracking>
+<Detoxification Programs, connectedTo, Food Label Interpretation>
+<Disease_Specific Nutrition, identifies, Food Waste Reduction>
+<Food Label Interpretation, connectedTo, Supplement Recommendation>
+<Food Waste Reduction, connectedTo, Elderly Nutrition>
+<Macronutrient Tracking, personalizes, Restaurant Menu Analysis>
+<Macronutrient Tracking, plans, Food Label Interpretation>
+<Nutritional Counseling, connectedTo, Disease_Specific Nutrition>
+<Restaurant Menu Analysis, inspects, Detoxification Programs>
+<Supplement Recommendation, connectedTo, Nutritional Counseling>
diff --git a/test/diagrams/graph_easy/diagrams_252.dot b/test/diagrams/graph_easy/diagrams_252.dot
new file mode 100644
index 0000000000000000000000000000000000000000..44ec0e23cf07d410f73f4bbae6176aada0b4d9e6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_252.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Macronutrient Tracking" color="#673AB7" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N1 [label="Nutritional Biomarker Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N2 [label="Food Fortification Strategies" color="#673AB7" fillcolor="#D1C4E9" shape=action style=filled]
+	N3 [label="Food Waste Reduction" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N4 [label="Agricultural Nutrition Impact" color="#673AB7" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N5 [label="Metabolism Rate Assessment" color="#673AB7" fillcolor="#D1C4E9" shape=rect style=filled]
+	N6 [label="Sports Nutrition" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N7 [label="Meal Planning" color="#673AB7" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="balances" dir=forward]
+	N7 -> N2 [color="#DCE775" penwidth=1.5 style=dashed label="regulates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_252.txt b/test/diagrams/graph_easy/diagrams_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d121b3f829c588bd005e646b4f9dbe7f925fbe7b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_252.txt
@@ -0,0 +1,8 @@
+<Agricultural Nutrition Impact, filters, Metabolism Rate Assessment>
+<Food Fortification Strategies, connectedTo, Food Waste Reduction>
+<Food Waste Reduction, connectedTo, Agricultural Nutrition Impact>
+<Macronutrient Tracking, connectedTo, Nutritional Biomarker Analysis>
+<Meal Planning, regulates, Food Fortification Strategies>
+<Metabolism Rate Assessment, audits, Sports Nutrition>
+<Nutritional Biomarker Analysis, connectedTo, Food Fortification Strategies>
+<Sports Nutrition, balances, Meal Planning>
diff --git a/test/diagrams/graph_easy/diagrams_253.dot b/test/diagrams/graph_easy/diagrams_253.dot
new file mode 100644
index 0000000000000000000000000000000000000000..579595ff5e8b765d516cfd32b6db5c24da0f2b02
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_253.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Flexibility Training" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N1 [label="Workout Tracking Apps" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N2 [label="Endurance Training" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N3 [label="Fitness Equipment Maintenance" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+	N4 [label="Injury Prevention" color="#FFCC80" fillcolor="#FFF0CC" shape=action style=filled]
+	N5 [label="Balance and Coordination" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N6 [label="Group Fitness Classes" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N7 [label="Fitness Assessment" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N8 [label="Functional Fitness Training" color="#EAEFA5" fillcolor="#FDFCEB" shape=predefinedprocess style=filled]
+	N9 [label="Motivation and Goal Setting" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N0 -> N1 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFCC80" penwidth=1.5 style=solid label="engages" dir=forward]
+	N2 -> N3 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFCC80" penwidth=1.5 style=solid label="measures" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid label="stretches" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N0 [color="#FFCC80" penwidth=1.5 style=solid label="exercises" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_253.txt b/test/diagrams/graph_easy/diagrams_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..336c8936338e905226d54e5b910de19f0231e5c6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_253.txt
@@ -0,0 +1,10 @@
+<Balance and Coordination, measures, Group Fitness Classes>
+<Endurance Training, connectedTo, Fitness Equipment Maintenance>
+<Endurance Training, exercises, Flexibility Training>
+<Fitness Assessment, connectedTo, Functional Fitness Training>
+<Fitness Equipment Maintenance, connectedTo, Injury Prevention>
+<Flexibility Training, connectedTo, Workout Tracking Apps>
+<Functional Fitness Training, connectedTo, Motivation and Goal Setting>
+<Group Fitness Classes, stretches, Fitness Assessment>
+<Injury Prevention, connectedTo, Balance and Coordination>
+<Workout Tracking Apps, engages, Endurance Training>
diff --git a/test/diagrams/graph_easy/diagrams_254.dot b/test/diagrams/graph_easy/diagrams_254.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8ae08df0c87d74aeebc50dd479bc89a63a278ae1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_254.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Nutrition for Fitness" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N1 [label="Home Workout Programs" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N2 [label="Core Strengthening" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N3 [label="Personal Training" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N4 [label="Fitness Equipment Maintenance" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N5 [label="Balance and Coordination" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	N6 [label="Sports_Specific Training" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N7 [label="Cardiovascular Training" color="#BA68C8" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=dashed label="motivates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=dashed label="engages" dir=forward]
+	N4 -> N6 [color="#BA68C8" penwidth=1.5 style=solid label="optimizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_254.txt b/test/diagrams/graph_easy/diagrams_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..656d30de64b158304bd2e1a8c850ddcc3888042d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_254.txt
@@ -0,0 +1,8 @@
+<Balance and Coordination, connectedTo, Sports_Specific Training>
+<Core Strengthening, motivates, Personal Training>
+<Fitness Equipment Maintenance, automates, Balance and Coordination>
+<Fitness Equipment Maintenance, optimizes, Sports_Specific Training>
+<Home Workout Programs, plans, Core Strengthening>
+<Nutrition for Fitness, connectedTo, Home Workout Programs>
+<Personal Training, connectedTo, Fitness Equipment Maintenance>
+<Sports_Specific Training, engages, Cardiovascular Training>
diff --git a/test/diagrams/graph_easy/diagrams_255.txt b/test/diagrams/graph_easy/diagrams_255.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d997b404da4ce678e5d42ad92d05d8f6adf4083
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_255.txt
@@ -0,0 +1,9 @@
+<Body Composition Analysis, stretches, Posture Correction>
+<Cross_Training, connectedTo, Mind_Body Connection>
+<Home Workout Programs, connectedTo, Nutrition for Fitness>
+<Mind_Body Connection, connects, Weightlifting Techniques>
+<Nutrition for Fitness, strengthens, Wearable Fitness Devices>
+<Posture Correction, connectedTo, Home Workout Programs>
+<Posture Correction, develops, Yoga Instruction>
+<Wearable Fitness Devices, tests, Cross_Training>
+<Weightlifting Techniques, automates, Yoga Instruction>
diff --git a/test/diagrams/graph_easy/diagrams_256.dot b/test/diagrams/graph_easy/diagrams_256.dot
new file mode 100644
index 0000000000000000000000000000000000000000..805c2dd798264f2ab85918a5441a5bb0d0a6105a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_256.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Acupuncture Consultation" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N1 [label="Financial Wellness Planning" color="#6EB76D" fillcolor="#E9F7E8" shape=database style=filled]
+	N2 [label="Personal Growth Planning" color="#6EB76D" fillcolor="#E9F7E8" shape=predefinedprocess style=filled]
+	N3 [label="Nutrition Guidance" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	N4 [label="Chiropractic Care" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N5 [label="Longevity Planning" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N6 [label="Spiritual Exploration" color="#6EB76D" fillcolor="#E9F7E8" shape=predefinedprocess style=filled]
+	N7 [label="Proactive Health Management" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N8 [label="Journaling for Wellness" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="counsels" dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N4 [color="#F7BEE0" penwidth=1.5 style=dashed label="advises" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_256.txt b/test/diagrams/graph_easy/diagrams_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..be32331f26942920aa43ba619797eb6b78b7f690
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_256.txt
@@ -0,0 +1,9 @@
+<Acupuncture Consultation, manages, Financial Wellness Planning>
+<Chiropractic Care, connectedTo, Longevity Planning>
+<Financial Wellness Planning, connectedTo, Personal Growth Planning>
+<Longevity Planning, advises, Chiropractic Care>
+<Longevity Planning, connectedTo, Spiritual Exploration>
+<Nutrition Guidance, connectedTo, Chiropractic Care>
+<Personal Growth Planning, counsels, Nutrition Guidance>
+<Proactive Health Management, connectedTo, Journaling for Wellness>
+<Spiritual Exploration, personalizes, Proactive Health Management>
diff --git a/test/diagrams/graph_easy/diagrams_257.dot b/test/diagrams/graph_easy/diagrams_257.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ff35447482a1cc1594c83064e2221df2021c6fcf
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_257.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Self_Care Routine Development" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N1 [label="Alternative Therapies" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N2 [label="Mindfulness Practice" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N3 [label="Biofeedback Training" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N4 [label="Meditation Coaching" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N5 [label="Work_Life Balance Coaching" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N6 [label="Nutrition Guidance" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N7 [label="Hydrotherapy" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+	N8 [label="Spiritual Exploration" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N9 [label="Aromatherapy Usage" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N10 [label="Sleep Optimization" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N2 -> N3 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N4 -> N5 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#B0C5CD" penwidth=1.5 style=dashed label="promotes" dir=forward]
+	N9 -> N10 [color="#B0C5CD" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N2 -> N9 [color="#B0C5CD" penwidth=1.5 style=solid label="mindfulness" dir=forward]
+	N2 -> N5 [color="#B0C5CD" penwidth=1.5 style=dashed label="improves" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_257.txt b/test/diagrams/graph_easy/diagrams_257.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d332ca5cc491c6dbe67626317b568eb1bd8cb43
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_257.txt
@@ -0,0 +1,12 @@
+<Alternative Therapies, protects, Mindfulness Practice>
+<Aromatherapy Usage, educates, Sleep Optimization>
+<Biofeedback Training, tests, Meditation Coaching>
+<Hydrotherapy, connectedTo, Spiritual Exploration>
+<Meditation Coaching, connectedTo, Work_Life Balance Coaching>
+<Mindfulness Practice, connectedTo, Biofeedback Training>
+<Mindfulness Practice, improves, Work_Life Balance Coaching>
+<Mindfulness Practice, mindfulness, Aromatherapy Usage>
+<Nutrition Guidance, connectedTo, Hydrotherapy>
+<Self_Care Routine Development, licenses, Alternative Therapies>
+<Spiritual Exploration, promotes, Aromatherapy Usage>
+<Work_Life Balance Coaching, connectedTo, Nutrition Guidance>
diff --git a/test/diagrams/graph_easy/diagrams_258.dot b/test/diagrams/graph_easy/diagrams_258.dot
new file mode 100644
index 0000000000000000000000000000000000000000..848be1810938c0b18c331e8beb96f98995dfdbfb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_258.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Personal Growth Planning" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Employee Wellness Programs" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N2 [label="Proactive Health Management" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N3 [label="Community Wellness Programs" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N4 [label="Chiropractic Care" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N5 [label="Work_Life Balance Coaching" color="#66BB6A" fillcolor="#E8F5E9" shape=action style=filled]
+	N6 [label="Sleep Optimization" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N7 [label="Meditation Coaching" color="#FFF176" fillcolor="#FFFDE7" shape=document style=filled]
+	N8 [label="Longevity Planning" color="#CDDC39" fillcolor="#E6EE9C" shape=rect style=filled]
+	N0 -> N1 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFF176" penwidth=1.5 style=solid label="reduces" dir=forward]
+	N2 -> N3 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#CDDC39" penwidth=1.5 style=solid label="researches" dir=forward]
+	N6 -> N7 [color="#CDDC39" penwidth=1.5 style=solid label="eats" dir=forward]
+	N7 -> N8 [color="#FFF176" penwidth=1.5 style=dashed label="stress_reduces" dir=forward]
+	N1 -> N4 [color="#000000" penwidth=1.5 style=solid label="coaches" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_258.txt b/test/diagrams/graph_easy/diagrams_258.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0bc7288e7e48956d4668a9ecc918640d7a276ce6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_258.txt
@@ -0,0 +1,9 @@
+<Chiropractic Care, connectedTo, Work_Life Balance Coaching>
+<Community Wellness Programs, connectedTo, Chiropractic Care>
+<Employee Wellness Programs, coaches, Chiropractic Care>
+<Employee Wellness Programs, reduces, Proactive Health Management>
+<Meditation Coaching, stress_reduces, Longevity Planning>
+<Personal Growth Planning, connectedTo, Employee Wellness Programs>
+<Proactive Health Management, connectedTo, Community Wellness Programs>
+<Sleep Optimization, eats, Meditation Coaching>
+<Work_Life Balance Coaching, researches, Sleep Optimization>
diff --git a/test/diagrams/graph_easy/diagrams_259.txt b/test/diagrams/graph_easy/diagrams_259.txt
new file mode 100644
index 0000000000000000000000000000000000000000..89e30fe99b4cc38fbec235b7e5ebd338cf5c6e7f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_259.txt
@@ -0,0 +1,13 @@
+<3D Rendering, plans, Furniture Selection>
+<Art and Accessory Curation, sources, Custom Furniture Design>
+<Bathroom Design, presents, Living Room Design>
+<Budget Management, connectedTo, Concept Development>
+<Building Code Compliance, connectedTo, 3D Rendering>
+<Commercial Interior Design, connectedTo, Wall Treatment Selection>
+<Commercial Interior Design, showcases, Color Scheme Selection>
+<Concept Development, selects, Wall Treatment Selection>
+<Custom Furniture Design, schedules, Building Code Compliance>
+<Furniture Selection, customizes, Bathroom Design>
+<Living Room Design, connectedTo, Custom Furniture Design>
+<Living Room Design, licenses, Budget Management>
+<Wall Treatment Selection, connectedTo, Commercial Interior Design>
diff --git a/test/diagrams/graph_easy/diagrams_26.dot b/test/diagrams/graph_easy/diagrams_26.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b4ea694dfbe6205ee92107e425b6672b31e4857
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_26.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Proof of Delivery" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N1 [label="Container Loading" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N2 [label="Cross_docking" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N3 [label="Route Optimization Software" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N4 [label="Global Trade Compliance" color="#FF5722" fillcolor="#FFCCBC" shape=vnode_shape style=filled]
+	N5 [label="Invoice Matching" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N6 [label="Rail Transport Coordination" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N7 [label="Fleet Maintenance Scheduling" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N8 [label="Driver Check_in" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N9 [label="Vehicle Loading" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N10 [label="Hub Transfer" color="#92C79A" fillcolor="#E8F0EA" shape=vnode_shape style=filled]
+	N11 [label="Cold Chain Management" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#7986CB" penwidth=1.5 style=solid label="expedites" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="picks up" dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N7 -> N8 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#92C79A" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N9 -> N10 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#7986CB" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N0 -> N4 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_26.txt b/test/diagrams/graph_easy/diagrams_26.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dcae20b78ed8cd29ed6ea09760f301bbd14bc4ce
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_26.txt
@@ -0,0 +1,13 @@
+<Container Loading, expedites, Cross_docking>
+<Cross_docking, measures, Route Optimization Software>
+<Driver Check_in, processes, Vehicle Loading>
+<Fleet Maintenance Scheduling, connectedTo, Driver Check_in>
+<Global Trade Compliance, connectedTo, Invoice Matching>
+<Hub Transfer, audits, Cold Chain Management>
+<Invoice Matching, picks up, Rail Transport Coordination>
+<Proof of Delivery, connectedTo, Container Loading>
+<Proof of Delivery, connectedTo, Global Trade Compliance>
+<Rail Transport Coordination, manages, Fleet Maintenance Scheduling>
+<Route Optimization Software, forecasts, Global Trade Compliance>
+<Vehicle Loading, connectedTo, Hub Transfer>
+<Vehicle Loading, connectedTo, Proof of Delivery>
diff --git a/test/diagrams/graph_easy/diagrams_260.dot b/test/diagrams/graph_easy/diagrams_260.dot
new file mode 100644
index 0000000000000000000000000000000000000000..72521d446b4ca1d0aed7a89d2320a55e8c1c6da0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_260.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Commercial Interior Design" color="#F44336" fillcolor="#FFCDD2" shape=action style=filled]
+	N1 [label="Feng Shui Consultation" color="#F44336" fillcolor="#FFCDD2" shape=document style=filled]
+	N2 [label="Residential Interior Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N3 [label="Budget Management" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N4 [label="Living Room Design" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N5 [label="Site Measurement" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N6 [label="Kitchen Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=database style=filled]
+	N7 [label="Textile and Fabric Selection" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="manages" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="budgets" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#26A69A" penwidth=1.5 style=dashed label="materials" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="spaces" dir=forward]
+	N7 -> N2 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N4 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_260.txt b/test/diagrams/graph_easy/diagrams_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d6029d24eed74c3933a4e8442d725851e13ba371
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_260.txt
@@ -0,0 +1,9 @@
+<Budget Management, connectedTo, Living Room Design>
+<Commercial Interior Design, connectedTo, Living Room Design>
+<Commercial Interior Design, manages, Feng Shui Consultation>
+<Feng Shui Consultation, connectedTo, Residential Interior Design>
+<Kitchen Design, spaces, Textile and Fabric Selection>
+<Living Room Design, materials, Site Measurement>
+<Residential Interior Design, budgets, Budget Management>
+<Site Measurement, licenses, Kitchen Design>
+<Textile and Fabric Selection, connectedTo, Residential Interior Design>
diff --git a/test/diagrams/graph_easy/diagrams_261.dot b/test/diagrams/graph_easy/diagrams_261.dot
new file mode 100644
index 0000000000000000000000000000000000000000..01c6f49eae65f5e9a4ce2937298ee855a0fdf27f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_261.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Kitchen Design" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N1 [label="Color Scheme Selection" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N2 [label="Building Code Compliance" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N3 [label="Concept Development" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N4 [label="Furniture Selection" color="#94C0C0" fillcolor="#CADEDE" shape=vnode_shape style=filled]
+	N5 [label="Hospitality Interior Design" color="#FFE470" fillcolor="#FFFAE0" shape=rect style=filled]
+	N6 [label="Retail Interior Design" color="#94C0C0" fillcolor="#CADEDE" shape=predefinedprocess style=filled]
+	N7 [label="Bathroom Design" color="#94C0C0" fillcolor="#CADEDE" shape=document style=filled]
+	N8 [label="Mood Board Creation" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N9 [label="Feng Shui Consultation" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=solid label="arranges" dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid label="selects" dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=dashed label="budgets" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N6 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N3 [color="#FFE470" penwidth=1.5 style=dashed label="sources" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_261.txt b/test/diagrams/graph_easy/diagrams_261.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b298a8d29660cf6d148aa6dd781b6992047cf08d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_261.txt
@@ -0,0 +1,11 @@
+<Bathroom Design, connectedTo, Mood Board Creation>
+<Building Code Compliance, complies, Concept Development>
+<Color Scheme Selection, arranges, Building Code Compliance>
+<Concept Development, selects, Furniture Selection>
+<Feng Shui Consultation, sources, Concept Development>
+<Furniture Selection, budgets, Hospitality Interior Design>
+<Hospitality Interior Design, connectedTo, Retail Interior Design>
+<Kitchen Design, connectedTo, Color Scheme Selection>
+<Mood Board Creation, connectedTo, Feng Shui Consultation>
+<Retail Interior Design, connectedTo, Feng Shui Consultation>
+<Retail Interior Design, designs, Bathroom Design>
diff --git a/test/diagrams/graph_easy/diagrams_262.txt b/test/diagrams/graph_easy/diagrams_262.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f4c077da72ab17d4eca594299a61d78e73c210c6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_262.txt
@@ -0,0 +1,12 @@
+<Domain_Specific Translation Models, connectedTo, Legal Document Translation>
+<Emotion Detection in Speech, connectedTo, Machine Translation Engine>
+<Glossary Management, connectedTo, Speech Recognition>
+<Legal Document Translation, monitors, Rule_Based Machine Translation>
+<Low_Latency Processing, connectedTo, Medical Translation>
+<Low_Latency Processing, tracks, Machine Translation Engine>
+<Medical Translation, adapts, Glossary Management>
+<Medical Translation, licenses, Legal Document Translation>
+<Neural Machine Translation, connectedTo, Low_Latency Processing>
+<Real_Time Captioning, connectedTo, Emotion Detection in Speech>
+<Rule_Based Machine Translation, automates, Real_Time Captioning>
+<Speech Recognition, translates, Domain_Specific Translation Models>
diff --git a/test/diagrams/graph_easy/diagrams_264.dot b/test/diagrams/graph_easy/diagrams_264.dot
new file mode 100644
index 0000000000000000000000000000000000000000..321ba3f8787861deb341a214b3f3069cf6a3b2a3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_264.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Domain_Specific Translation Models" color="#7E57C2" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N1 [label="Simultaneous Interpretation" color="#FF9800" fillcolor="#FFE0B2" shape=multipledocuments style=filled]
+	N2 [label="Speech Recognition" color="#7E57C2" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N3 [label="Consecutive Interpretation" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N4 [label="Sentiment Analysis in Translation" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N5 [label="Cross_Lingual Communication" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+	N6 [label="Glossary Management" color="#DCE775" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N7 [label="Low_Latency Processing" color="#FF9800" fillcolor="#FFE0B2" shape=inputoutput style=filled]
+	N8 [label="Subtitling Generation" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N9 [label="Text_to_Speech Synthesis" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N10 [label="Accent Adaptation" color="#7E57C2" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N11 [label="Social Media Translation" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=solid label="interprets" dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="generates" dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N9 -> N10 [color="#7E57C2" penwidth=1.5 style=dashed label="outputs" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="secures" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_264.txt b/test/diagrams/graph_easy/diagrams_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..930053f6529256d397a3385b9181320f9b516c04
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_264.txt
@@ -0,0 +1,12 @@
+<Accent Adaptation, connectedTo, Social Media Translation>
+<Consecutive Interpretation, interprets, Sentiment Analysis in Translation>
+<Cross_Lingual Communication, connectedTo, Glossary Management>
+<Domain_Specific Translation Models, connectedTo, Simultaneous Interpretation>
+<Glossary Management, generates, Low_Latency Processing>
+<Low_Latency Processing, personalizes, Subtitling Generation>
+<Sentiment Analysis in Translation, connectedTo, Cross_Lingual Communication>
+<Simultaneous Interpretation, connectedTo, Speech Recognition>
+<Simultaneous Interpretation, secures, Low_Latency Processing>
+<Speech Recognition, connectedTo, Consecutive Interpretation>
+<Subtitling Generation, monitors, Text_to_Speech Synthesis>
+<Text_to_Speech Synthesis, outputs, Accent Adaptation>
diff --git a/test/diagrams/graph_easy/diagrams_266.dot b/test/diagrams/graph_easy/diagrams_266.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ea865b785727756d58746f3286ac3f93313242ec
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_266.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Thermal Imaging with Drones" color="#EAEFA5" fillcolor="#FDFCEB" shape=vnode_shape style=filled]
+	N1 [label="Drone Delivery Logistics" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N2 [label="Search and Rescue Operations" color="#AF56A6" fillcolor="#DDCEDD" shape=action style=filled]
+	N3 [label="Geofencing Implementation" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N4 [label="Security Surveillance" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N5 [label="Propeller Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N6 [label="Propulsion System Development" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N7 [label="Videography" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+	N8 [label="Sensor Integration" color="#FF8A65" fillcolor="#FBE9E7" shape=multipledocuments style=filled]
+	N9 [label="Navigation System" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N10 [label="Endurance Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=action style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="manufactures" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N5 -> N6 [color="#AF56A6" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N7 -> N8 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N1 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_267.dot b/test/diagrams/graph_easy/diagrams_267.dot
new file mode 100644
index 0000000000000000000000000000000000000000..daa91e8e1e23d59ddf0b989b885da6298af13b1e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_267.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Drone Delivery Logistics" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N1 [label="Geofencing Implementation" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N2 [label="Flight Planning Software" color="#A1887F" fillcolor="#EFEBE9" shape=database style=filled]
+	N3 [label="AI for Drone Autonomy" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N4 [label="Inspection" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N5 [label="Swarm Robotics for Drones" color="#A1887F" fillcolor="#EFEBE9" shape=diamond style=filled]
+	N6 [label="Payload Integration" color="#6FE1D5" fillcolor="#C9EFEC" shape=rect style=filled]
+	N7 [label="3D Modeling from Drone Data" color="#61CAC3" fillcolor="#C2E8E6" shape=document style=filled]
+	N8 [label="Remote Piloting Training" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N9 [label="Precision Agriculture" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+	N10 [label="Airspace Management for Drones" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N11 [label="Sensor Integration" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A1887F" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid label="automates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="builds" dir=forward]
+	N4 -> N5 [color="#61CAC3" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=solid label="repairs" dir=forward]
+	N6 -> N7 [color="#6FE1D5" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N7 -> N8 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N3 -> N11 [color="#6FE1D5" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N10 -> N5 [color="#61CAC3" penwidth=1.5 style=dashed label="simulates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_268.dot b/test/diagrams/graph_easy/diagrams_268.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d859e69886540270ee4dac0289029d44208d8aeb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_268.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cybersecurity for AVs" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N1 [label="Perception System" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N2 [label="Motion Control" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N3 [label="Traffic Sign Recognition" color="#4DB6AC" fillcolor="#E0F2F1" shape=document style=filled]
+	N4 [label="Regulatory Compliance" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N5 [label="Fail_Safe Systems" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N6 [label="Vehicle_to_Vehicle Communication" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	N7 [label="Path Planning" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N8 [label="Hardware Design" color="#BDAFA8" fillcolor="#E4E0DF" shape=document style=filled]
+	N9 [label="Map Data Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=rectangle style=filled]
+	N10 [label="Battery Management for EVs" color="#94C0C0" fillcolor="#CADEDE" shape=database style=filled]
+	N11 [label="Human_Machine Interface" color="#4DB6AC" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="manufactures" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#94C0C0" penwidth=1.5 style=solid label="validates" dir=forward]
+	N5 -> N6 [color="#BDAFA8" penwidth=1.5 style=solid label="designs" dir=forward]
+	N6 -> N7 [color="#BDAFA8" penwidth=1.5 style=solid label="warns" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#94C0C0" penwidth=1.5 style=dashed label="upgrades" dir=forward]
+	N10 -> N11 [color="#4DB6AC" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N2 -> N9 [color="#000000" penwidth=1.5 style=solid label="predicts" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_269.dot b/test/diagrams/graph_easy/diagrams_269.dot
new file mode 100644
index 0000000000000000000000000000000000000000..940b8e3d2a0d757ed0ce6bfc6dfef889f799b341
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_269.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Regulatory Compliance" color="#4DD0E1" fillcolor="#C9F0F0" shape=database style=filled]
+	N1 [label="Vehicle_to_Vehicle Communication" color="#FFF9AE" fillcolor="#FFFCE6" shape=preparation style=filled]
+	N2 [label="Fail_Safe Systems" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N3 [label="Public Acceptance and Trust" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N4 [label="Automatic Emergency Braking" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N5 [label="Perception System" color="#4DD0E1" fillcolor="#C9F0F0" shape=diamond style=filled]
+	N6 [label="Sensor Integration" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N7 [label="Fleet Management" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=solid label="learns" dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4DD0E1" penwidth=1.5 style=solid label="navigates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4DD0E1" penwidth=1.5 style=solid label="warns" dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N7 -> N3 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_269.txt b/test/diagrams/graph_easy/diagrams_269.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f564ecbd516121c9cc3926bbc0d736ff2eaf7fb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_269.txt
@@ -0,0 +1,8 @@
+<Automatic Emergency Braking, connectedTo, Perception System>
+<Fail_Safe Systems, navigates, Public Acceptance and Trust>
+<Fleet Management, connectedTo, Public Acceptance and Trust>
+<Perception System, warns, Sensor Integration>
+<Public Acceptance and Trust, maintains, Automatic Emergency Braking>
+<Regulatory Compliance, learns, Vehicle_to_Vehicle Communication>
+<Sensor Integration, integrates, Fleet Management>
+<Vehicle_to_Vehicle Communication, connectedTo, Fail_Safe Systems>
diff --git a/test/diagrams/graph_easy/diagrams_27.dot b/test/diagrams/graph_easy/diagrams_27.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d41e92ad7ffbb4cf87720dc690923238860f5566
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_27.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Demand Forecasting Integration" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N1 [label="Fleet Maintenance Scheduling" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N2 [label="Cargo Tracking" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N3 [label="Cold Chain Management" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N4 [label="Consolidation" color="#2196F3" fillcolor="#BBDEFB" shape=action style=filled]
+	N5 [label="Barcode Scanning" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N6 [label="Route Optimization Software" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N7 [label="Package Labeling" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N8 [label="Global Trade Compliance" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+	N9 [label="Container Loading" color="#2196F3" fillcolor="#BBDEFB" shape=database style=filled]
+	N0 -> N1 [color="#C0CA33" penwidth=1.5 style=solid label="weighs" dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="receives" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="sorts" dir=forward]
+	N7 -> N8 [color="#C0CA33" penwidth=1.5 style=dashed label="books" dir=forward]
+	N8 -> N9 [color="#2196F3" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N6 -> N8 [color="#E0E0E0" penwidth=1.5 style=dashed label="expedites" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_27.txt b/test/diagrams/graph_easy/diagrams_27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cf2758973f19f47d8a49a881ce67bfb8dc39b6b5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_27.txt
@@ -0,0 +1,10 @@
+<Barcode Scanning, connectedTo, Route Optimization Software>
+<Cargo Tracking, connectedTo, Cold Chain Management>
+<Cold Chain Management, connectedTo, Consolidation>
+<Consolidation, receives, Barcode Scanning>
+<Demand Forecasting Integration, weighs, Fleet Maintenance Scheduling>
+<Fleet Maintenance Scheduling, connectedTo, Cargo Tracking>
+<Global Trade Compliance, verifies, Container Loading>
+<Package Labeling, books, Global Trade Compliance>
+<Route Optimization Software, expedites, Global Trade Compliance>
+<Route Optimization Software, sorts, Package Labeling>
diff --git a/test/diagrams/graph_easy/diagrams_270.dot b/test/diagrams/graph_easy/diagrams_270.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bdd48de4367223f6566c4990b72dba8ef2fd0e06
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_270.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Sensor Integration" color="#FF9800" fillcolor="#FFE0B2" shape=rect style=filled]
+	N1 [label="Motion Control" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N2 [label="Vehicle Diagnostics" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N3 [label="Accident Reconstruction for AVs" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N4 [label="Data Collection and Annotation" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N5 [label="Cloud Connectivity for AVs" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N6 [label="Public Acceptance and Trust" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N7 [label="Automatic Emergency Braking" color="#FFDA4E" fillcolor="#FFE88D" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=solid label="drives" dir=forward]
+	N1 -> N2 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=dashed label="learns" dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFDA4E" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N2 [color="#FBC02D" penwidth=1.5 style=solid label="integrates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_271.txt b/test/diagrams/graph_easy/diagrams_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b7e7b4ed6ce962b0bf3679f9599bee198d64e89
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_271.txt
@@ -0,0 +1,11 @@
+<Accessibility for Users, analyzes, Sustainability Initiatives>
+<Bike_sharing Services, connectedTo, Vehicle Location Tracking>
+<Car_sharing Services, connectedTo, Policy Advocacy for Shared Mobility>
+<Customer Support, innovates, Bike_sharing Services>
+<Data Analytics for Usage Patterns, regulates, Ticketing and Fare Collection>
+<Parking Integration, connectedTo, Car_sharing Services>
+<Parking Integration, connectedTo, Data Analytics for Usage Patterns>
+<Policy Advocacy for Shared Mobility, connectedTo, Accessibility for Users>
+<Sustainability Initiatives, supports, Customer Support>
+<Vehicle Location Tracking, accesses, Ticketing and Fare Collection>
+<Vehicle Location Tracking, books, Data Analytics for Usage Patterns>
diff --git a/test/diagrams/graph_easy/diagrams_272.dot b/test/diagrams/graph_easy/diagrams_272.dot
new file mode 100644
index 0000000000000000000000000000000000000000..51dcd7d3f59751ec2e2c6bd11b3e5b1d2341e406
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_272.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Demand Prediction" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N1 [label="User Onboarding" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	N2 [label="Public_Private Partnerships" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N3 [label="Fleet Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=predefinedprocess style=filled]
+	N4 [label="Public Transit Integration" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N5 [label="Policy Advocacy for Shared Mobility" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N6 [label="Car_sharing Services" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N7 [label="Supply_Demand Balancing" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFEB3B" penwidth=1.5 style=solid label="develops" dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=solid label="parks" dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=dashed label="verifies" dir=forward]
+	N6 -> N7 [color="#FFEB3B" penwidth=1.5 style=solid label="responds" dir=forward]
+	N0 -> N2 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_272.txt b/test/diagrams/graph_easy/diagrams_272.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ae396b17e17ff241622bf8486eb8c63b88e4852
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_272.txt
@@ -0,0 +1,8 @@
+<Car_sharing Services, responds, Supply_Demand Balancing>
+<Demand Prediction, connectedTo, Public_Private Partnerships>
+<Demand Prediction, connectedTo, User Onboarding>
+<Fleet Management, parks, Public Transit Integration>
+<Policy Advocacy for Shared Mobility, verifies, Car_sharing Services>
+<Public Transit Integration, connectedTo, Policy Advocacy for Shared Mobility>
+<Public_Private Partnerships, connectedTo, Fleet Management>
+<User Onboarding, develops, Public_Private Partnerships>
diff --git a/test/diagrams/graph_easy/diagrams_273.dot b/test/diagrams/graph_easy/diagrams_273.dot
new file mode 100644
index 0000000000000000000000000000000000000000..db0f0455c6871003337f830f1c04a686c3ef4509
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_273.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Carbon Emission Tracking" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N1 [label="Accessibility for Users" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N2 [label="Sustainability Initiatives" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N3 [label="Fleet Management" color="#03A9F4" fillcolor="#B3E5FC" shape=rect style=filled]
+	N4 [label="Car_sharing Services" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N5 [label="Parking Integration" color="#94C0C0" fillcolor="#CADEDE" shape=multipledocuments style=filled]
+	N6 [label="Ticketing and Fare Collection" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N7 [label="Smart City Integration" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N8 [label="Dynamic Pricing" color="#FFD54F" fillcolor="#FFF8E1" shape=document style=filled]
+	N0 -> N1 [color="#03A9F4" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=solid label="supports" dir=forward]
+	N2 -> N3 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed label="unlocks" dir=forward]
+	N6 -> N7 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFD54F" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N6 -> N8 [color="#03A9F4" penwidth=1.5 style=solid label="analyzes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_274.dot b/test/diagrams/graph_easy/diagrams_274.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a67ba9c62658f969656198e08df7691be8749ebd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_274.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Billing and Reconciliation" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N1 [label="Permit Management" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N2 [label="Access Control Systems" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N3 [label="Edge Computing for Parking Data" color="#FFD54F" fillcolor="#FFF8E1" shape=diamond style=filled]
+	N4 [label="User Experience Design for Apps" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N5 [label="Barrier Gate Control" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N6 [label="Vacancy Monitoring" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N7 [label="Customer Support" color="#FF8A65" fillcolor="#FBE9E7" shape=action style=filled]
+	N8 [label="Event Parking Management" color="#FF8A65" fillcolor="#FBE9E7" shape=document style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=solid label="guides" dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=solid label="allocates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="guides" dir=forward]
+	N5 -> N6 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=dashed label="sells" dir=forward]
+	N8 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_274.txt b/test/diagrams/graph_easy/diagrams_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..533c42550b162a8ca9ed8c96f1c84a1a481bbf7e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_274.txt
@@ -0,0 +1,9 @@
+<Access Control Systems, connectedTo, Edge Computing for Parking Data>
+<Barrier Gate Control, connectedTo, Vacancy Monitoring>
+<Billing and Reconciliation, connectedTo, Permit Management>
+<Customer Support, sells, Event Parking Management>
+<Edge Computing for Parking Data, allocates, User Experience Design for Apps>
+<Event Parking Management, connectedTo, Edge Computing for Parking Data>
+<Permit Management, guides, Access Control Systems>
+<User Experience Design for Apps, guides, Barrier Gate Control>
+<Vacancy Monitoring, connectedTo, Customer Support>
diff --git a/test/diagrams/graph_easy/diagrams_276.txt b/test/diagrams/graph_easy/diagrams_276.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d620c3c8dc554eff56fd306869d54ee9f1c97e6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_276.txt
@@ -0,0 +1,12 @@
+<Automated Payment, detects, Electric Vehicle Charging Integration>
+<Barrier Gate Control, connectedTo, Edge Computing for Parking Data>
+<Cloud_based Parking Platforms, reserves, Customer Support>
+<Customer Support, connectedTo, On_Street Parking Management>
+<Edge Computing for Parking Data, connectedTo, Cloud_based Parking Platforms>
+<Electric Vehicle Charging Integration, connectedTo, Emergency Vehicle Access Management>
+<Emergency Vehicle Access Management, connectedTo, Navigation to Open Space>
+<Fleet Parking Solutions, secures, Parking Guidance Systems>
+<Navigation to Open Space, connectedTo, Edge Computing for Parking Data>
+<Navigation to Open Space, installs, Fleet Parking Solutions>
+<On_Street Parking Management, pays, Space Detection>
+<Space Detection, processes, Automated Payment>
diff --git a/test/diagrams/graph_easy/diagrams_277.dot b/test/diagrams/graph_easy/diagrams_277.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e1003daa7d6e4957595ae2a94da8a6992904a74c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_277.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Ticket Sales" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N1 [label="Seat Mapping" color="#CB9BE1" fillcolor="#F2E6F5" shape=database style=filled]
+	N2 [label="Theater Ticketing" color="#FFDA4E" fillcolor="#FFE88D" shape=diamond style=filled]
+	N3 [label="Waiting List Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=database style=filled]
+	N4 [label="Post_Event Feedback Collection" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N5 [label="Blockchain Ticketing for Authenticity" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N6 [label="Access Control" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N7 [label="Analytics on Sales Data" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#673AB7" penwidth=1.5 style=solid label="designs" dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=solid label="cancels" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="supports" dir=forward]
+	N5 -> N6 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N6 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_277.txt b/test/diagrams/graph_easy/diagrams_277.txt
new file mode 100644
index 0000000000000000000000000000000000000000..732744c8b358c975bcddb4177d6d12ff640a058a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_277.txt
@@ -0,0 +1,8 @@
+<Access Control, connectedTo, Analytics on Sales Data>
+<Blockchain Ticketing for Authenticity, connectedTo, Access Control>
+<Post_Event Feedback Collection, supports, Blockchain Ticketing for Authenticity>
+<Seat Mapping, connectedTo, Access Control>
+<Seat Mapping, designs, Theater Ticketing>
+<Theater Ticketing, cancels, Waiting List Management>
+<Ticket Sales, connectedTo, Seat Mapping>
+<Waiting List Management, maintains, Post_Event Feedback Collection>
diff --git a/test/diagrams/graph_easy/diagrams_278.dot b/test/diagrams/graph_easy/diagrams_278.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5f0641ee2c6b56df19e3dd2cbfeccee494a9986e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_278.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Mobile Ticketing" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N1 [label="Event Creation" color="#7E57C2" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N2 [label="Fan Loyalty Programs" color="#E0E0E0" fillcolor="#EBEBEB" shape=predefinedprocess style=filled]
+	N3 [label="Resale Market Integration" color="#3F51B5" fillcolor="#C5CAE9" shape=database style=filled]
+	N4 [label="Audience Segmentation" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N5 [label="Personalized Ticket Offers" color="#7E57C2" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N6 [label="Scalper Prevention" color="#7E57C2" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N7 [label="Ticket Delivery" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N8 [label="Post_Event Feedback Collection" color="#E0E0E0" fillcolor="#EBEBEB" shape=inputoutput style=filled]
+	N9 [label="Waiting List Management" color="#7E57C2" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N10 [label="Blockchain Ticketing for Authenticity" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="supports" dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N4 -> N5 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="connects" dir=forward]
+	N7 -> N8 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+	N9 -> N10 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N0 [color="#7E57C2" penwidth=1.5 style=solid label="issues" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_278.txt b/test/diagrams/graph_easy/diagrams_278.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a8162c23ab986670aaebd27e28ef5b3f8f13688
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_278.txt
@@ -0,0 +1,11 @@
+<Audience Segmentation, connectedTo, Personalized Ticket Offers>
+<Event Creation, connectedTo, Fan Loyalty Programs>
+<Fan Loyalty Programs, supports, Resale Market Integration>
+<Mobile Ticketing, designs, Event Creation>
+<Personalized Ticket Offers, issues, Mobile Ticketing>
+<Personalized Ticket Offers, publishes, Scalper Prevention>
+<Post_Event Feedback Collection, personalizes, Waiting List Management>
+<Resale Market Integration, optimizes, Audience Segmentation>
+<Scalper Prevention, connects, Ticket Delivery>
+<Ticket Delivery, connectedTo, Post_Event Feedback Collection>
+<Waiting List Management, connectedTo, Blockchain Ticketing for Authenticity>
diff --git a/test/diagrams/graph_easy/diagrams_279.dot b/test/diagrams/graph_easy/diagrams_279.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5005123a22d8617de7cb6fa1ec7aae1e1f137da2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_279.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Refund Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N1 [label="Order Confirmation" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N2 [label="Seat Mapping" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N3 [label="Box Office Management" color="#7986CB" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N4 [label="Customer Relationship Management Integration" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N5 [label="Fraud Prevention" color="#BCB88A" fillcolor="#F5F5DC" shape=document style=filled]
+	N6 [label="Personalized Ticket Offers" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N7 [label="Group Booking Management" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N8 [label="Waiting List Management" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	N9 [label="API Integration for Partners" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N10 [label="Ticket Sales" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N11 [label="Queue Management" color="#BCB88A" fillcolor="#F5F5DC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="bundles" dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N3 -> N4 [color="#8C9EFF" penwidth=1.5 style=dashed label="promotes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N9 -> N10 [color="#7986CB" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N10 -> N11 [color="#7986CB" penwidth=1.5 style=solid label="manages" dir=forward]
+	N7 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> N10 [color="#7986CB" penwidth=1.5 style=dashed label="sells" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_279.txt b/test/diagrams/graph_easy/diagrams_279.txt
new file mode 100644
index 0000000000000000000000000000000000000000..02cc2ff1e3fcc3180b5be17cc7fc93567fb32c99
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_279.txt
@@ -0,0 +1,13 @@
+<API Integration for Partners, integrates, Ticket Sales>
+<Box Office Management, promotes, Customer Relationship Management Integration>
+<Customer Relationship Management Integration, connectedTo, Fraud Prevention>
+<Fraud Prevention, connectedTo, Personalized Ticket Offers>
+<Group Booking Management, connectedTo, Order Confirmation>
+<Group Booking Management, connectedTo, Waiting List Management>
+<Order Confirmation, publishes, Seat Mapping>
+<Personalized Ticket Offers, connectedTo, Group Booking Management>
+<Refund Management, bundles, Order Confirmation>
+<Refund Management, sells, Ticket Sales>
+<Seat Mapping, analyzes, Box Office Management>
+<Ticket Sales, manages, Queue Management>
+<Waiting List Management, reports, API Integration for Partners>
diff --git a/test/diagrams/graph_easy/diagrams_280.txt b/test/diagrams/graph_easy/diagrams_280.txt
new file mode 100644
index 0000000000000000000000000000000000000000..626bbdd35b1a7d388cb023f9ac7983e033b89bda
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_280.txt
@@ -0,0 +1,13 @@
+<Accessibility Features, certifies, Blockchain for Voting>
+<Anonymous Credential Systems, connectedTo, Threat Modeling>
+<Blockchain for Voting, connectedTo, Security Protocols>
+<Cryptographic Security, connectedTo, Accessibility Features>
+<Direct Recording Electronic Systems, connectedTo, Hardware Tamper Detection>
+<Hardware Tamper Detection, connectedTo, Voter Privacy Protection>
+<Penetration Testing, connectedTo, Direct Recording Electronic Systems>
+<Remote Voting Solutions, counts, Anonymous Credential Systems>
+<Results Aggregation, connectedTo, Voter Privacy Protection>
+<Security Protocols, authenticates, Anonymous Credential Systems>
+<Security Protocols, reports, Penetration Testing>
+<Threat Modeling, connectedTo, Results Aggregation>
+<Voter Privacy Protection, transmits, Remote Voting Solutions>
diff --git a/test/diagrams/graph_easy/diagrams_281.dot b/test/diagrams/graph_easy/diagrams_281.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e769f443c937146420b59e7b99627727dc7d4f2a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_281.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Accessibility Features" color="#FFDA4E" fillcolor="#FFE88D" shape=inputoutput style=filled]
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+	N2 [label="Remote Voting Solutions" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N3 [label="Touchscreen Voting Machines" color="#CB9BE1" fillcolor="#F2E6F5" shape=preparation style=filled]
+	N4 [label="Hardware Tamper Detection" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N5 [label="Voter Privacy Protection" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N6 [label="Voter Authentication" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N7 [label="Software Integrity Checks" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+	N8 [label="Legal Framework Compliance" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
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+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N4 -> N5 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#CB9BE1" penwidth=1.5 style=solid label="authenticates" dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFDA4E" penwidth=1.5 style=dashed label="casts" dir=forward]
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+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_281.txt b/test/diagrams/graph_easy/diagrams_281.txt
new file mode 100644
index 0000000000000000000000000000000000000000..315d83f7e3837c01756f4fc44fcefc7cc4860842
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_281.txt
@@ -0,0 +1,10 @@
+<Accessibility Features, detects, Cybersecurity for Voting Systems>
+<Cybersecurity for Voting Systems, connectedTo, Remote Voting Solutions>
+<Hardware Tamper Detection, connectedTo, Voter Privacy Protection>
+<Legal Framework Compliance, casts, Secure Data Transmission>
+<Remote Voting Solutions, alerts, Touchscreen Voting Machines>
+<Remote Voting Solutions, communicates, Voter Privacy Protection>
+<Software Integrity Checks, connectedTo, Legal Framework Compliance>
+<Touchscreen Voting Machines, transmits, Hardware Tamper Detection>
+<Voter Authentication, connectedTo, Software Integrity Checks>
+<Voter Privacy Protection, authenticates, Voter Authentication>
diff --git a/test/diagrams/graph_easy/diagrams_282.txt b/test/diagrams/graph_easy/diagrams_282.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4ba832fc85c55fa3b2b4fbc766bcc7aa812ede93
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_282.txt
@@ -0,0 +1,11 @@
+<Anonymous Credential Systems, connectedTo, Secure Data Transmission>
+<Auditability, connectedTo, Biometric Voter ID>
+<Cybersecurity for Voting Systems, complies, Optical Scan Systems>
+<Legal Framework Compliance, connectedTo, Auditability>
+<Legal Framework Compliance, tallies, Anonymous Credential Systems>
+<Optical Scan Systems, prevents, Anonymous Credential Systems>
+<Post_Election Audits, connectedTo, Cybersecurity for Voting Systems>
+<Results Aggregation, connectedTo, Legal Framework Compliance>
+<Secure Data Transmission, stores, Touchscreen Voting Machines>
+<Secure Data Transmission, transmits, Anonymous Credential Systems>
+<Touchscreen Voting Machines, connectedTo, Results Aggregation>
diff --git a/test/diagrams/graph_easy/diagrams_283.dot b/test/diagrams/graph_easy/diagrams_283.dot
new file mode 100644
index 0000000000000000000000000000000000000000..435186e66caad1094cdb990c8b69bcac111841cc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_283.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
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+	N1 [label="Policy Advocacy and Lobbying" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
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+	N3 [label="Ethical Considerations" color="#BA68C8" fillcolor="#F3E5F5" shape=document style=filled]
+	N4 [label="Feasibility Study" color="#CB9BE1" fillcolor="#F2E6F5" shape=document style=filled]
+	N5 [label="Report Drafting" color="#BA68C8" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N6 [label="National Policy Development" color="#4DB6AC" fillcolor="#E0F2F1" shape=database style=filled]
+	N7 [label="Interagency Coordination" color="#4DB6AC" fillcolor="#E0F2F1" shape=rect style=filled]
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+	N2 -> N3 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
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+	N6 -> N7 [color="#BA68C8" penwidth=1.5 style=solid label="advocates" dir=forward]
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\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_283.txt b/test/diagrams/graph_easy/diagrams_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..281e6b9915ffbb1a1cd914a63f877728c0276025
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_283.txt
@@ -0,0 +1,9 @@
+<Ethical Considerations, connectedTo, Feasibility Study>
+<Feasibility Study, secures, Report Drafting>
+<Interagency Coordination, connectedTo, Policy Learning>
+<National Policy Development, advocates, Interagency Coordination>
+<Policy Advocacy and Lobbying, consults, Public Opinion Research>
+<Policy Learning, governs, Policy Advocacy and Lobbying>
+<Public Opinion Research, connectedTo, Ethical Considerations>
+<Public Opinion Research, connectedTo, National Policy Development>
+<Report Drafting, negotiates, National Policy Development>
diff --git a/test/diagrams/graph_easy/diagrams_284.dot b/test/diagrams/graph_easy/diagrams_284.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8cd4ca71267f0b38903f905840a794b583ef36e1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_284.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
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+	N3 [label="Budgetary Implications" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N4 [label="Advocacy Strategy" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N5 [label="Comparative Policy Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N6 [label="Report Drafting" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
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+	N8 [label="Criteria Establishment" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N9 [label="Recommendation Formulation" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N10 [label="Implementation Plan Development" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+	N11 [label="Quantitative Analysis" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="advises" dir=forward]
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+	N7 -> N8 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#E91E63" penwidth=1.5 style=solid label="researches" dir=forward]
+	N10 -> N11 [color="#92C79A" penwidth=1.5 style=solid label="secures" dir=forward]
+	N11 -> N8 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
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\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_284.txt b/test/diagrams/graph_easy/diagrams_284.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ce8d84c43a5d7514c2dd38466eb337402700667
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_284.txt
@@ -0,0 +1,13 @@
+<Advocacy Strategy, advises, Comparative Policy Analysis>
+<Budgetary Implications, simulates, Advocacy Strategy>
+<Comparative Policy Analysis, governs, Report Drafting>
+<Cost_Benefit Analysis, connectedTo, Criteria Establishment>
+<Cost_Benefit Analysis, reports, Comparative Policy Analysis>
+<Criteria Establishment, connectedTo, Recommendation Formulation>
+<Implementation Plan Development, secures, Quantitative Analysis>
+<Local Government Policy, analyzes, National Policy Development>
+<National Policy Development, connectedTo, Public Opinion Research>
+<Public Opinion Research, connectedTo, Budgetary Implications>
+<Quantitative Analysis, connectedTo, Criteria Establishment>
+<Recommendation Formulation, researches, Implementation Plan Development>
+<Report Drafting, connectedTo, Cost_Benefit Analysis>
diff --git a/test/diagrams/graph_easy/diagrams_285.dot b/test/diagrams/graph_easy/diagrams_285.dot
new file mode 100644
index 0000000000000000000000000000000000000000..139c35a9f248a0b50d90a44b02811a66dc8838af
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_285.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Cost_Benefit Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=diamond style=filled]
+	N1 [label="Policy Learning" color="#607D8B" fillcolor="#CFD8DC" shape=rectangle style=filled]
+	N2 [label="Evidence_Based Policymaking" color="#607D8B" fillcolor="#CFD8DC" shape=preparation style=filled]
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+	N6 [label="Impact Assessment" color="#00BCD4" fillcolor="#E0F7FA" shape=document style=filled]
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+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#607D8B" penwidth=1.5 style=dashed label="ethics" dir=forward]
+	N5 -> N6 [color="#FFE69C" penwidth=1.5 style=dashed label="collects" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
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+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N8 [color="#000000" penwidth=1.5 style=dashed label="assesses" dir=forward]
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\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_285.txt b/test/diagrams/graph_easy/diagrams_285.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09a75f4dda515da22fafc695e1f0617aad59b1af
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_285.txt
@@ -0,0 +1,12 @@
+<Cost_Benefit Analysis, connectedTo, Policy Learning>
+<Data Visualization for Policy, collects, Impact Assessment>
+<Evidence_Based Policymaking, analyzes, Non_profit Policy Influence>
+<Evidence_Based Policymaking, reports, Public Opinion Research>
+<Impact Assessment, assesses, Public Opinion Research>
+<Impact Assessment, complies, Quantitative Analysis>
+<Non_profit Policy Influence, connectedTo, Report Drafting>
+<Policy Learning, connectedTo, Evidence_Based Policymaking>
+<Public Consultation Process, connectedTo, Risk Assessment>
+<Public Opinion Research, connectedTo, Public Consultation Process>
+<Quantitative Analysis, connectedTo, Public Opinion Research>
+<Report Drafting, ethics, Data Visualization for Policy>
diff --git a/test/diagrams/graph_easy/diagrams_286.dot b/test/diagrams/graph_easy/diagrams_286.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5387ad4bd7ea757d501948146179a88f32d65dd4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_286.dot
@@ -0,0 +1,22 @@
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+	N0 [label="Manuscript Writing" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
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diff --git a/test/diagrams/graph_easy/diagrams_286.txt b/test/diagrams/graph_easy/diagrams_286.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c0ca5fb6e31c91072704f1bbcbfbdb15f153b0e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_286.txt
@@ -0,0 +1,10 @@
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diff --git a/test/diagrams/graph_easy/diagrams_287.dot b/test/diagrams/graph_easy/diagrams_287.dot
new file mode 100644
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--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_287.dot
@@ -0,0 +1,26 @@
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diff --git a/test/diagrams/graph_easy/diagrams_287.txt b/test/diagrams/graph_easy/diagrams_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e73396c72eb353e55d0f09afa5948f23e775105b
--- /dev/null
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@@ -0,0 +1,12 @@
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diff --git a/test/diagrams/graph_easy/diagrams_288.dot b/test/diagrams/graph_easy/diagrams_288.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7a99c90dcf62f39abc69e0078b87b2fa932bb606
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@@ -0,0 +1,20 @@
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+	N3 [label="Variable Identification" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N4 [label="Theory Development" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N5 [label="Meta_Analysis" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N6 [label="Survey Design" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N7 [label="Model Building" color="#9575CD" fillcolor="#EDE7F6" shape=database style=filled]
+	N0 -> N1 [color="#BDAFA8" penwidth=1.5 style=dashed label="archives" dir=forward]
+	N1 -> N2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="integrity" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="writes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N5 -> N6 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9575CD" penwidth=1.5 style=solid label="submits" dir=forward]
+	N0 -> N5 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N6 [color="#BDAFA8" penwidth=1.5 style=dashed label="evaluates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_288.txt b/test/diagrams/graph_easy/diagrams_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d21b4c099314be529d8be4005c0dc49dba585086
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_288.txt
@@ -0,0 +1,9 @@
+<Manuscript Writing, connectedTo, Sampling Techniques>
+<Meta_Analysis, connectedTo, Survey Design>
+<Presentation at Conferences, archives, Manuscript Writing>
+<Presentation at Conferences, connectedTo, Meta_Analysis>
+<Presentation at Conferences, evaluates, Survey Design>
+<Sampling Techniques, integrity, Variable Identification>
+<Survey Design, submits, Model Building>
+<Theory Development, collaborates, Meta_Analysis>
+<Variable Identification, writes, Theory Development>
diff --git a/test/diagrams/graph_easy/diagrams_289.dot b/test/diagrams/graph_easy/diagrams_289.dot
new file mode 100644
index 0000000000000000000000000000000000000000..49bf2e5ecc42b55a2fd44c80fe95fabc0d78bd05
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_289.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Online Public Access Catalog" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N1 [label="Electronic Resource Management" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N2 [label="System Security" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N3 [label="Library Management Systems" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N4 [label="Integrated Library Systems" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N5 [label="User Training on Systems" color="#CDDC39" fillcolor="#E6EE9C" shape=multipledocuments style=filled]
+	N6 [label="Reporting and Analytics" color="#CDDC39" fillcolor="#E6EE9C" shape=action style=filled]
+	N7 [label="Circulation Management" color="#673AB7" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N8 [label="Database Management" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N9 [label="Linked Data for Libraries" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N0 -> N1 [color="#CDDC39" penwidth=1.5 style=dashed label="borrows" dir=forward]
+	N1 -> N2 [color="#CDDC39" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N2 -> N3 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CDDC39" penwidth=1.5 style=solid label="audits" dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#673AB7" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N6 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed label="plans" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_289.txt b/test/diagrams/graph_easy/diagrams_289.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42c1ac999b081c52e033e3b5b30895b4f29f7a88
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_289.txt
@@ -0,0 +1,10 @@
+<Circulation Management, connectedTo, Database Management>
+<Database Management, maintains, Linked Data for Libraries>
+<Electronic Resource Management, analyzes, System Security>
+<Integrated Library Systems, audits, User Training on Systems>
+<Library Management Systems, connectedTo, Integrated Library Systems>
+<Online Public Access Catalog, borrows, Electronic Resource Management>
+<Reporting and Analytics, connectedTo, Circulation Management>
+<Reporting and Analytics, plans, Library Management Systems>
+<System Security, connectedTo, Library Management Systems>
+<User Training on Systems, connectedTo, Reporting and Analytics>
diff --git a/test/diagrams/graph_easy/diagrams_29.dot b/test/diagrams/graph_easy/diagrams_29.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6760e0e577a17130db339b7178d55bf246593aa0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_29.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Technical Support Escalation" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N1 [label="Payment Received" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N2 [label="MMS Transmission" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N3 [label="Issue Resolution" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N4 [label="Fiber Optic Deployment" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N5 [label="Plan Renewal" color="#EAEFA5" fillcolor="#FDFCEB" shape=document style=filled]
+	N6 [label="Service Level Agreement" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N7 [label="Plan Selection" color="#F06292" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A2D0FF" penwidth=1.5 style=dashed label="blocks" dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=dashed label="selects" dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed label="authenticates" dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed label="pays" dir=forward]
+	N5 -> N6 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N1 [color="#000000" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N0 -> N2 [color="#EAEFA5" penwidth=1.5 style=dashed label="generates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_290.dot b/test/diagrams/graph_easy/diagrams_290.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5cd9c6c9e6843ef411023594a861365336db2632
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_290.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Acquisitions" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N1 [label="Self_Checkout Kiosks" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N2 [label="Reporting and Analytics" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	N3 [label="Discovery Layers" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N4 [label="User Account Management" color="#FF5722" fillcolor="#FFCCBC" shape=vnode_shape style=filled]
+	N5 [label="Reference Desk Support" color="#A1887F" fillcolor="#EFEBE9" shape=rect style=filled]
+	N6 [label="Library Website Management" color="#A1887F" fillcolor="#EFEBE9" shape=preparation style=filled]
+	N7 [label="Digital Resource Management" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="organizes" dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=solid label="digitizes" dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=dashed label="weeds" dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N7 [color="#000000" penwidth=1.5 style=solid label="guides" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_290.txt b/test/diagrams/graph_easy/diagrams_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..406c7b534d9d6d36072b217700fc6951fcdcee82
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_290.txt
@@ -0,0 +1,8 @@
+<Acquisitions, connectedTo, Self_Checkout Kiosks>
+<Discovery Layers, connectedTo, User Account Management>
+<Library Website Management, connectedTo, Digital Resource Management>
+<Reference Desk Support, connectedTo, Library Website Management>
+<Reference Desk Support, guides, Digital Resource Management>
+<Reporting and Analytics, digitizes, Discovery Layers>
+<Self_Checkout Kiosks, organizes, Reporting and Analytics>
+<User Account Management, weeds, Reference Desk Support>
diff --git a/test/diagrams/graph_easy/diagrams_291.dot b/test/diagrams/graph_easy/diagrams_291.dot
new file mode 100644
index 0000000000000000000000000000000000000000..236cf36fbe2b5ec7ef703dfd9009e03052949504
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_291.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="System Upgrades" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N1 [label="Cataloging and Classification" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
+	N2 [label="Database Management" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N3 [label="User Training on Systems" color="#FFB74D" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N4 [label="Circulation Management" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N5 [label="Subject Indexing" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N6 [label="Metadata Creation" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N7 [label="Data Migration" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N8 [label="Patron Services" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N9 [label="Acquisitions" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N10 [label="Personalized Recommendations" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N0 -> N1 [color="#FFB74D" penwidth=1.5 style=solid label="retrieves" dir=forward]
+	N1 -> N2 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=solid label="trains" dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=dashed label="acquires" dir=forward]
+	N7 -> N8 [color="#CB9BE1" penwidth=1.5 style=dashed label="digitizes" dir=forward]
+	N8 -> N9 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#CB9BE1" penwidth=1.5 style=dashed label="reserves" dir=forward]
+	N0 -> N5 [color="#FBC02D" penwidth=1.5 style=dashed label="migrates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_291.txt b/test/diagrams/graph_easy/diagrams_291.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ef81f4a797b48c66a01473190f783ff0a16e8e9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_291.txt
@@ -0,0 +1,11 @@
+<Acquisitions, reserves, Personalized Recommendations>
+<Cataloging and Classification, connectedTo, Database Management>
+<Circulation Management, connectedTo, Subject Indexing>
+<Data Migration, digitizes, Patron Services>
+<Database Management, trains, User Training on Systems>
+<Metadata Creation, acquires, Data Migration>
+<Patron Services, connectedTo, Acquisitions>
+<Subject Indexing, connectedTo, Metadata Creation>
+<System Upgrades, migrates, Subject Indexing>
+<System Upgrades, retrieves, Cataloging and Classification>
+<User Training on Systems, connectedTo, Circulation Management>
diff --git a/test/diagrams/graph_easy/diagrams_292.txt b/test/diagrams/graph_easy/diagrams_292.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dcf89139e42f3159079a60d7778017046a362776
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_292.txt
@@ -0,0 +1,11 @@
+<Appraisal and Selection, arranges, Digitization of Records>
+<Appraisal and Selection, collects, Born_Digital Archiving>
+<Authority Control for Archival Names, connectedTo, Environmental Control>
+<Born_Digital Archiving, digitizes, Intellectual Property Rights Management>
+<Collection Management Policy, connectedTo, Digitization of Records>
+<Digital Forensics for Archives, connectedTo, Environmental Control>
+<Digital Forensics for Archives, connectedTo, Preservation Planning>
+<Digitization of Records, processes, Public Access Systems>
+<Environmental Control, connectedTo, Collection Management Policy>
+<Preservation Planning, appraises, Appraisal and Selection>
+<Public Access Systems, connectedTo, Digital Forensics for Archives>
diff --git a/test/diagrams/graph_easy/diagrams_293.txt b/test/diagrams/graph_easy/diagrams_293.txt
new file mode 100644
index 0000000000000000000000000000000000000000..79b651028f31b4025ace0cd6f5341e96ba19c49b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_293.txt
@@ -0,0 +1,11 @@
+<Acquisition and Accessioning, connectedTo, Ethical Use of Archival Materials>
+<Ethical Use of Archival Materials, implements, Finding Aid Creation>
+<Finding Aid Creation, connectedTo, Records Transfer Processes>
+<Legal and Ethical Compliance, procedures, Serialization and Item Control>
+<Public Access Systems, audits, Acquisition and Accessioning>
+<Records Transfer Processes, contextualizes, Web Archiving>
+<Records Transfer Processes, preserves, Database Management>
+<Serialization and Item Control, governs, Database Management>
+<User Interface for Digital Archives, connectedTo, Legal and Ethical Compliance>
+<User Interface for Digital Archives, describes, Public Access Systems>
+<Web Archiving, connectedTo, User Interface for Digital Archives>
diff --git a/test/diagrams/graph_easy/diagrams_294.dot b/test/diagrams/graph_easy/diagrams_294.dot
new file mode 100644
index 0000000000000000000000000000000000000000..85ec2253ec933027de6abb4f18e3fcf0701d1e8c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_294.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Appraisal and Selection" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+	N1 [label="Born_Digital Archiving" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N2 [label="Serialization and Item Control" color="#B8C0F5" fillcolor="#ECF0FD" shape=action style=filled]
+	N3 [label="Community Archiving Projects" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+	N4 [label="Long_Term Digital Preservation" color="#9C27B0" fillcolor="#E1BEE7" shape=rectangle style=filled]
+	N5 [label="Records Retention Scheduling" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N6 [label="Metadata Creation" color="#B8C0F5" fillcolor="#ECF0FD" shape=vnode_shape style=filled]
+	N7 [label="Records Transfer Processes" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N8 [label="Access and Reference Services" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N9 [label="Records Management Integration" color="#CD8FF2" fillcolor="#ECCFF5" shape=rectangle style=filled]
+	N10 [label="Subject Indexing for Archives" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N11 [label="Grant Writing for Archives" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#B8C0F5" penwidth=1.5 style=solid label="procedures" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="protects" dir=forward]
+	N2 -> N3 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9C27B0" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N5 -> N6 [color="#B8C0F5" penwidth=1.5 style=dashed label="restores" dir=forward]
+	N6 -> N7 [color="#CD8FF2" penwidth=1.5 style=dashed label="conserves" dir=forward]
+	N7 -> N8 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="stores" dir=forward]
+	N10 -> N11 [color="#9C27B0" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N3 -> N0 [color="#000000" penwidth=1.5 style=solid label="develops" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_294.txt b/test/diagrams/graph_easy/diagrams_294.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f038f3beea46179dd9086cc055399d3392d4b5d9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_294.txt
@@ -0,0 +1,12 @@
+<Access and Reference Services, connectedTo, Records Management Integration>
+<Appraisal and Selection, procedures, Born_Digital Archiving>
+<Born_Digital Archiving, protects, Serialization and Item Control>
+<Community Archiving Projects, connectedTo, Long_Term Digital Preservation>
+<Community Archiving Projects, develops, Appraisal and Selection>
+<Long_Term Digital Preservation, tracks, Records Retention Scheduling>
+<Metadata Creation, conserves, Records Transfer Processes>
+<Records Management Integration, stores, Subject Indexing for Archives>
+<Records Retention Scheduling, restores, Metadata Creation>
+<Records Transfer Processes, connectedTo, Access and Reference Services>
+<Serialization and Item Control, connectedTo, Community Archiving Projects>
+<Subject Indexing for Archives, audits, Grant Writing for Archives>
diff --git a/test/diagrams/graph_easy/diagrams_295.dot b/test/diagrams/graph_easy/diagrams_295.dot
new file mode 100644
index 0000000000000000000000000000000000000000..545b748f109783efe7cf957b6c3663495c46a7b2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_295.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Robotics in Exhibits" color="#00BCD4" fillcolor="#B2EBF2" shape=rectangle style=filled]
+	N1 [label="Exhibition Design" color="#F06292" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N2 [label="Soundscape Design" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N3 [label="Multisensory Exhibits" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+	N4 [label="3D Scanning of Artifacts" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N5 [label="Augmented Reality Experiences" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	N6 [label="Cybersecurity for Museum Data" color="#9C27B0" fillcolor="#E1BEE7" shape=action style=filled]
+	N7 [label="Virtual Tours" color="#F06292" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N8 [label="Visitor Flow Analysis" color="#9C27B0" fillcolor="#E1BEE7" shape=predefinedprocess style=filled]
+	N9 [label="Online Shop Integration" color="#F06292" fillcolor="#FCE4EC" shape=rect style=filled]
+	N10 [label="Educational Technology Integration" color="#00BCD4" fillcolor="#B2EBF2" shape=inputoutput style=filled]
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="entertains" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="curates" dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=dashed label="models" dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=solid label="displays" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N9 -> N10 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N4 [color="#000000" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N9 -> N0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_296.dot b/test/diagrams/graph_easy/diagrams_296.dot
new file mode 100644
index 0000000000000000000000000000000000000000..17418e70c2a41cb2893a21f6b6e5a58c1f0e50aa
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_296.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Ticketing and Visitor Systems" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N1 [label="Mobile App Development" color="#FFC2C2" fillcolor="#FFEBEB" shape=predefinedprocess style=filled]
+	N2 [label="Wayfinding Systems" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N3 [label="Accessibility Technology for Visitors" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N4 [label="Digital Storytelling" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N5 [label="Digital Archiving" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N6 [label="User Experience Design" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N7 [label="Virtual Reality Experiences" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N8 [label="Conservation Technology" color="#C0CA33" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N9 [label="Gamification of Museum Experiences" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N10 [label="Educational Technology Integration" color="#C0CA33" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N11 [label="Online Shop Integration" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=dashed label="digitizes" dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="notifies" dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#C0CA33" penwidth=1.5 style=dashed label="AR or VR" dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="robots" dir=forward]
+	N5 -> N11 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N8 [color="#C0CA33" penwidth=1.5 style=dashed label="sensors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_296.txt b/test/diagrams/graph_easy/diagrams_296.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ed4180875d3067e2a0d2b8fa6b916487c58b1d88
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_296.txt
@@ -0,0 +1,13 @@
+<Accessibility Technology for Visitors, connectedTo, Digital Storytelling>
+<Accessibility Technology for Visitors, sensors, Conservation Technology>
+<Conservation Technology, AR or VR, Gamification of Museum Experiences>
+<Digital Archiving, connectedTo, Online Shop Integration>
+<Digital Archiving, connectedTo, User Experience Design>
+<Digital Storytelling, notifies, Digital Archiving>
+<Educational Technology Integration, robots, Online Shop Integration>
+<Gamification of Museum Experiences, manages, Educational Technology Integration>
+<Mobile App Development, digitizes, Wayfinding Systems>
+<Ticketing and Visitor Systems, connectedTo, Mobile App Development>
+<User Experience Design, connectedTo, Virtual Reality Experiences>
+<Virtual Reality Experiences, connectedTo, Conservation Technology>
+<Wayfinding Systems, connectedTo, Accessibility Technology for Visitors>
diff --git a/test/diagrams/graph_easy/diagrams_297.dot b/test/diagrams/graph_easy/diagrams_297.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f75b1c41f7a3f51e0d6ff864bbd9e6f44529bcc7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_297.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Ticketing and Visitor Systems" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+	N1 [label="Visitor Analytics" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N2 [label="Gamification of Museum Experiences" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N3 [label="Crowdsourcing for Collections" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N4 [label="Community Engagement Platforms" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N5 [label="Digital Signage" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N6 [label="User Experience Design" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N7 [label="Collection Digitization" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N8 [label="Research Databases Access" color="#E91E63" fillcolor="#F8BBD0" shape=vnode_shape style=filled]
+	N9 [label="Augmented Reality Experiences" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid label="documents" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#795548" penwidth=1.5 style=solid label="projects" dir=forward]
+	N7 -> N8 [color="#795548" penwidth=1.5 style=solid label="sensors" dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#000000" penwidth=1.5 style=solid label="upgrades" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_297.txt b/test/diagrams/graph_easy/diagrams_297.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b91ebf9882f8f1a73e53742322a49b904c4efe49
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_297.txt
@@ -0,0 +1,10 @@
+<Collection Digitization, sensors, Research Databases Access>
+<Community Engagement Platforms, designs, Digital Signage>
+<Crowdsourcing for Collections, connectedTo, Community Engagement Platforms>
+<Digital Signage, connectedTo, User Experience Design>
+<Gamification of Museum Experiences, connectedTo, Crowdsourcing for Collections>
+<Research Databases Access, connectedTo, Augmented Reality Experiences>
+<Ticketing and Visitor Systems, connectedTo, Visitor Analytics>
+<Ticketing and Visitor Systems, upgrades, User Experience Design>
+<User Experience Design, projects, Collection Digitization>
+<Visitor Analytics, documents, Gamification of Museum Experiences>
diff --git a/test/diagrams/graph_easy/diagrams_298.txt b/test/diagrams/graph_easy/diagrams_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8436d52f7f3453f167e3af8afd10b1d1678d419
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_298.txt
@@ -0,0 +1,8 @@
+<CSR Reporting, connectedTo, Environmental Compliance>
+<CSR Reporting, connectedTo, Product Safety Compliance>
+<Conflict of Interest Management, responds, CSR Reporting>
+<Export Control Compliance, fairness, Information Security Compliance>
+<Information Security Compliance, accountability, Monitoring and Enforcement>
+<Monitoring and Enforcement, connectedTo, Sanctions Compliance>
+<Product Safety Compliance, counsels, Environmental Compliance>
+<Sanctions Compliance, trains, Conflict of Interest Management>
diff --git a/test/diagrams/graph_easy/diagrams_299.dot b/test/diagrams/graph_easy/diagrams_299.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c1b3977cb9773bc6a96663969609ecfa86126bea
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_299.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Ethical Decision_Making Frameworks" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N1 [label="Audit Planning" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N2 [label="Ethical Leadership Development" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
+	N3 [label="Third_Party Due Diligence" color="#F44336" fillcolor="#FFCDD2" shape=rectangle style=filled]
+	N4 [label="Stakeholder Engagement on Ethics" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N5 [label="Anti_Bribery and Corruption Compliance" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N6 [label="Financial Regulations Compliance" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N7 [label="Fair Competition Compliance" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=solid label="consults" dir=forward]
+	N2 -> N3 [color="#4DB6AC" penwidth=1.5 style=solid label="accountability" dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=solid label="integrity" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#F44336" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="codes" dir=forward]
+	N3 -> N2 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N1 [color="#F44336" penwidth=1.5 style=solid label="accredits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_299.txt b/test/diagrams/graph_easy/diagrams_299.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c679d693f3976136ca20b0eec13e685f446314c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_299.txt
@@ -0,0 +1,9 @@
+<Anti_Bribery and Corruption Compliance, accredits, Audit Planning>
+<Anti_Bribery and Corruption Compliance, develops, Financial Regulations Compliance>
+<Audit Planning, consults, Ethical Leadership Development>
+<Ethical Decision_Making Frameworks, connectedTo, Audit Planning>
+<Ethical Leadership Development, accountability, Third_Party Due Diligence>
+<Financial Regulations Compliance, codes, Fair Competition Compliance>
+<Stakeholder Engagement on Ethics, connectedTo, Anti_Bribery and Corruption Compliance>
+<Third_Party Due Diligence, connectedTo, Ethical Leadership Development>
+<Third_Party Due Diligence, integrity, Stakeholder Engagement on Ethics>
diff --git a/test/diagrams/graph_easy/diagrams_3.dot b/test/diagrams/graph_easy/diagrams_3.dot
new file mode 100644
index 0000000000000000000000000000000000000000..300e3833cf93277060302daacd33de2c77dc3ae4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_3.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Dispute Resolution" color="#CDDC39" fillcolor="#E6EE9C" shape=database style=filled]
+	N1 [label="Credit Card Application" color="#CDDC39" fillcolor="#E6EE9C" shape=preparation style=filled]
+	N2 [label="Interest Calculation" color="#CDDC39" fillcolor="#E6EE9C" shape=action style=filled]
+	N3 [label="Transaction Logging" color="#CDDC39" fillcolor="#E6EE9C" shape=preparation style=filled]
+	N4 [label="Income Verification" color="#CDDC39" fillcolor="#E6EE9C" shape=vnode_shape style=filled]
+	N5 [label="Fund Disbursement" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N6 [label="Asset Management" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+	N7 [label="Customer Onboarding" color="#80DDEA" fillcolor="#D3F7F9" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="executes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N4 -> N5 [color="#80DDEA" penwidth=1.5 style=dashed label="rejects" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="invests" dir=forward]
+	N6 -> N7 [color="#CDDC39" penwidth=1.5 style=dashed label="loans" dir=forward]
+	N3 -> N0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N7 [color="#000000" penwidth=1.5 style=solid label="mitigates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_3.txt b/test/diagrams/graph_easy/diagrams_3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2dc97f3e6e1f4c2c2150f09206146c4a546d184c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_3.txt
@@ -0,0 +1,9 @@
+<Asset Management, loans, Customer Onboarding>
+<Credit Card Application, connectedTo, Interest Calculation>
+<Dispute Resolution, executes, Credit Card Application>
+<Fund Disbursement, invests, Asset Management>
+<Income Verification, mitigates, Customer Onboarding>
+<Income Verification, rejects, Fund Disbursement>
+<Interest Calculation, connectedTo, Transaction Logging>
+<Transaction Logging, advises, Income Verification>
+<Transaction Logging, connectedTo, Dispute Resolution>
diff --git a/test/diagrams/graph_easy/diagrams_30.dot b/test/diagrams/graph_easy/diagrams_30.dot
new file mode 100644
index 0000000000000000000000000000000000000000..94f32136fbb00959d764d2e17e95f3a2713353af
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_30.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Issue Resolution" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N1 [label="Roaming Activation" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N2 [label="Service Complaint" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N3 [label="Bill Generation" color="#A188DB" fillcolor="#DED7F0" shape=predefinedprocess style=filled]
+	N4 [label="Payment Received" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+	N5 [label="Plan Selection" color="#00BCD4" fillcolor="#E0F7FA" shape=database style=filled]
+	N6 [label="Network Upgrade" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N7 [label="Mobile Top_up" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N8 [label="Plan Suspension" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N9 [label="Contract Termination" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N10 [label="Network Security Monitoring" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N0 -> N1 [color="#A188DB" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N3 -> N4 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFE470" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N6 -> N7 [color="#A188DB" penwidth=1.5 style=solid label="supports" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=solid label="troubleshoots" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="ports" dir=forward]
+	N9 -> N10 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N1 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_30.txt b/test/diagrams/graph_easy/diagrams_30.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0369849992d14829ffd54cee4e409d2a1651267e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_30.txt
@@ -0,0 +1,11 @@
+<Bill Generation, connectedTo, Payment Received>
+<Contract Termination, connectedTo, Network Security Monitoring>
+<Issue Resolution, analyzes, Roaming Activation>
+<Mobile Top_up, troubleshoots, Plan Suspension>
+<Network Upgrade, supports, Mobile Top_up>
+<Payment Received, connectedTo, Plan Selection>
+<Plan Selection, transmits, Network Upgrade>
+<Plan Suspension, ports, Contract Termination>
+<Roaming Activation, filters, Service Complaint>
+<Service Complaint, audits, Bill Generation>
+<Service Complaint, connectedTo, Roaming Activation>
diff --git a/test/diagrams/graph_easy/diagrams_300.dot b/test/diagrams/graph_easy/diagrams_300.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4c5ad9650df34fbacb94687d5b2dcffdc1ff8554
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_300.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Information Security Compliance" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Monitoring and Enforcement" color="#7986CB" fillcolor="#E8EAF6" shape=action style=filled]
+	N2 [label="Third_Party Due Diligence" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N3 [label="Stakeholder Engagement on Ethics" color="#CFCFCF" fillcolor="#F6F6F6" shape=multipledocuments style=filled]
+	N4 [label="Sanctions Compliance" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N5 [label="Ethical AI Guidelines" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N6 [label="Ethics Committee Formation" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N7 [label="Conflict of Interest Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=preparation style=filled]
+	N8 [label="Supplier Code of Conduct" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N9 [label="Policy Development" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N10 [label="Ethical Leadership Development" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N0 -> N1 [color="#CFCFCF" penwidth=1.5 style=dashed label="codes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#64B5F6" penwidth=1.5 style=dashed label="mitigates" dir=forward]
+	N3 -> N4 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CFCFCF" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N5 -> N6 [color="#64B5F6" penwidth=1.5 style=solid label="regulations" dir=forward]
+	N6 -> N7 [color="#64B5F6" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="develops" dir=forward]
+	N9 -> N10 [color="#CFCFCF" penwidth=1.5 style=dashed label="procedures" dir=forward]
+	N8 -> N0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N6 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_300.txt b/test/diagrams/graph_easy/diagrams_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a898daab2a144da3b00f791599b5236c2dfe695c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_300.txt
@@ -0,0 +1,12 @@
+<Conflict of Interest Management, connectedTo, Supplier Code of Conduct>
+<Ethical AI Guidelines, regulations, Ethics Committee Formation>
+<Ethics Committee Formation, monitors, Conflict of Interest Management>
+<Information Security Compliance, codes, Monitoring and Enforcement>
+<Monitoring and Enforcement, connectedTo, Third_Party Due Diligence>
+<Policy Development, procedures, Ethical Leadership Development>
+<Sanctions Compliance, certifies, Ethical AI Guidelines>
+<Stakeholder Engagement on Ethics, connectedTo, Sanctions Compliance>
+<Supplier Code of Conduct, connectedTo, Ethics Committee Formation>
+<Supplier Code of Conduct, connectedTo, Information Security Compliance>
+<Supplier Code of Conduct, develops, Policy Development>
+<Third_Party Due Diligence, mitigates, Stakeholder Engagement on Ethics>
diff --git a/test/diagrams/graph_easy/diagrams_301.dot b/test/diagrams/graph_easy/diagrams_301.dot
new file mode 100644
index 0000000000000000000000000000000000000000..054cfea8094f4ebda50efe1e058f0a80700a8a42
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_301.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cyber Crime Investigation" color="#CFCFCF" fillcolor="#F6F6F6" shape=inputoutput style=filled]
+	N1 [label="Crime Scene Investigation" color="#CFCFCF" fillcolor="#F6F6F6" shape=document style=filled]
+	N2 [label="Handwriting Analysis" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N3 [label="Mobile Device Forensics" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N4 [label="Laboratory Analysis" color="#CFCFCF" fillcolor="#F6F6F6" shape=rect style=filled]
+	N5 [label="Forensic Pathology" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+	N6 [label="Document Examination" color="#FFEB3B" fillcolor="#FFF9C4" shape=diamond style=filled]
+	N7 [label="Crime Database Search" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N8 [label="Toolmark Analysis" color="#FF9800" fillcolor="#FFE0B2" shape=rectangle style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="digital_forensics" dir=forward]
+	N2 -> N3 [color="#FF9800" penwidth=1.5 style=solid label="detects" dir=forward]
+	N3 -> N4 [color="#CFCFCF" penwidth=1.5 style=dashed label="crime_scenes" dir=forward]
+	N4 -> N5 [color="#FFEB3B" penwidth=1.5 style=solid label="audits" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=dashed label="sketches" dir=forward]
+	N2 -> N1 [color="#CFCFCF" penwidth=1.5 style=solid label="consults" dir=forward]
+	N0 -> N8 [color="#CFCFCF" penwidth=1.5 style=dashed label="researches" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_302.txt b/test/diagrams/graph_easy/diagrams_302.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eaa38d05609c967608f9ccf295c2050b8ec9a109
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_302.txt
@@ -0,0 +1,12 @@
+<Ballistics Analysis, connectedTo, Forensic Botany>
+<Cloud Forensics, analyzes, Document Examination>
+<Crime Scene Investigation, connectedTo, Expert Witness Testimony>
+<Crime Scene Investigation, expert_testifies, Forensic Botany>
+<Cyber Crime Investigation, consults, Cloud Forensics>
+<DNA Profiling, sketches, Digital Forensics>
+<Digital Forensics, connectedTo, Handwriting Analysis>
+<Document Examination, connectedTo, Crime Scene Investigation>
+<Evidence Collection, connectedTo, Cyber Crime Investigation>
+<Expert Witness Testimony, connectedTo, DNA Profiling>
+<Forensic Accounting, connectedTo, Evidence Collection>
+<Handwriting Analysis, validates, Ballistics Analysis>
diff --git a/test/diagrams/graph_easy/diagrams_304.txt b/test/diagrams/graph_easy/diagrams_304.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0dcdbc3b6ae978008fce5fd3ca1d10bf2d16893d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_304.txt
@@ -0,0 +1,11 @@
+<Crisis Response Planning, monitors, Cybersecurity Defense>
+<Cybersecurity Defense, recoveries_supports, Legislation and Policy Development>
+<Information Sharing, connectedTo, Risk_Based Security Measures>
+<Insider Threat Programs, connectedTo, Crisis Response Planning>
+<Insider Threat Programs, connectedTo, Vulnerability Assessment>
+<Legislation and Policy Development, connectedTo, Risk Analysis>
+<Legislation and Policy Development, resilience_builds, Training Exercises>
+<Port Security, connectedTo, Crisis Response Planning>
+<Risk Analysis, international_cooperates, Port Security>
+<Risk_Based Security Measures, connectedTo, Risk Analysis>
+<Training Exercises, risk_assesses, Insider Threat Programs>
diff --git a/test/diagrams/graph_easy/diagrams_305.dot b/test/diagrams/graph_easy/diagrams_305.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d84308ce4f4e3cd9cae7beb1747520cbe7400772
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_305.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Chemical Biological Radiological Nuclear Defense" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N1 [label="Vulnerability Assessment" color="#FFA726" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N2 [label="Military Counterterrorism" color="#FFA726" fillcolor="#FFF3E0" shape=document style=filled]
+	N3 [label="Threat Assessment" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N4 [label="Hostage Negotiation" color="#A1887F" fillcolor="#EFEBE9" shape=multipledocuments style=filled]
+	N5 [label="Counter_Propaganda" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+	N6 [label="Surveillance and Monitoring" color="#9FA9E1" fillcolor="#D6D9F0" shape=rect style=filled]
+	N7 [label="Risk_Based Security Measures" color="#FFA726" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N8 [label="Insider Threat Programs" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=dashed label="protects_critical_infra" dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid label="responds" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N4 -> N5 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="international_cooperates" dir=forward]
+	N8 -> N1 [color="#9FA9E1" penwidth=1.5 style=solid label="funds_tracks" dir=forward]
+	N7 -> N0 [color="#FFA726" penwidth=1.5 style=solid label="prevents" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_305.txt b/test/diagrams/graph_easy/diagrams_305.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc776756b65d151502762c65a64d9f6089f91f76
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_305.txt
@@ -0,0 +1,10 @@
+<Chemical Biological Radiological Nuclear Defense, connectedTo, Vulnerability Assessment>
+<Counter_Propaganda, connectedTo, Surveillance and Monitoring>
+<Hostage Negotiation, connectedTo, Counter_Propaganda>
+<Insider Threat Programs, funds_tracks, Vulnerability Assessment>
+<Military Counterterrorism, responds, Threat Assessment>
+<Risk_Based Security Measures, international_cooperates, Insider Threat Programs>
+<Risk_Based Security Measures, prevents, Chemical Biological Radiological Nuclear Defense>
+<Surveillance and Monitoring, connectedTo, Risk_Based Security Measures>
+<Threat Assessment, alerts, Hostage Negotiation>
+<Vulnerability Assessment, protects_critical_infra, Military Counterterrorism>
diff --git a/test/diagrams/graph_easy/diagrams_306.dot b/test/diagrams/graph_easy/diagrams_306.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e4d73c25a049dcf598862efbf6e88cb04e934579
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_306.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Information Sharing" color="#B0C5CD" fillcolor="#DFE7EB" shape=preparation style=filled]
+	N1 [label="Surveillance and Monitoring" color="#4DB6AC" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N2 [label="Biometric Screening" color="#4DB6AC" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N3 [label="Homeland Security Planning" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N4 [label="Counter_Propaganda" color="#B0C5CD" fillcolor="#DFE7EB" shape=rectangle style=filled]
+	N5 [label="Airport Security" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N6 [label="Military Counterterrorism" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N7 [label="Early Warning Systems" color="#B0C5CD" fillcolor="#DFE7EB" shape=rectangle style=filled]
+	N8 [label="Law Enforcement Operations" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N9 [label="Border Security" color="#4DB6AC" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N0 -> N1 [color="#4DB6AC" penwidth=1.5 style=solid label="risk_assesses" dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=dashed label="weapons_interdicts" dir=forward]
+	N2 -> N3 [color="#4DB6AC" penwidth=1.5 style=dashed label="responds" dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="cyber_defends" dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#B0C5CD" penwidth=1.5 style=solid label="strategies_plans" dir=forward]
+	N8 -> N9 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N2 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N4 [color="#B0C5CD" penwidth=1.5 style=dashed label="targets_protects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_306.txt b/test/diagrams/graph_easy/diagrams_306.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1fa9dc52c541ab3bddfdf9909ed5b18f2e34c6f8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_306.txt
@@ -0,0 +1,11 @@
+<Airport Security, cyber_defends, Military Counterterrorism>
+<Biometric Screening, responds, Homeland Security Planning>
+<Counter_Propaganda, connectedTo, Airport Security>
+<Early Warning Systems, strategies_plans, Law Enforcement Operations>
+<Homeland Security Planning, connectedTo, Counter_Propaganda>
+<Information Sharing, risk_assesses, Surveillance and Monitoring>
+<Law Enforcement Operations, connectedTo, Border Security>
+<Law Enforcement Operations, targets_protects, Counter_Propaganda>
+<Military Counterterrorism, connectedTo, Biometric Screening>
+<Military Counterterrorism, connectedTo, Early Warning Systems>
+<Surveillance and Monitoring, weapons_interdicts, Biometric Screening>
diff --git a/test/diagrams/graph_easy/diagrams_307.txt b/test/diagrams/graph_easy/diagrams_307.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d444f3e3a019726c9fb8d1befe73a6b0e1f78de
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_307.txt
@@ -0,0 +1,13 @@
+<Asset Tracking, ethical_considers, Real_time Alerts>
+<Behavioral Analytics, integrates, Predictive Policing>
+<Border Surveillance, connectedTo, Wildlife Tracking>
+<CCTV Monitoring, analyzes, Physical Security Integration>
+<Facial Recognition Systems, connectedTo, Asset Tracking>
+<Facial Recognition Systems, connectedTo, GPS Tracking>
+<GPS Tracking, connectedTo, Border Surveillance>
+<Physical Security Integration, captures, Thermal Imaging>
+<Real_time Alerts, searches, CCTV Monitoring>
+<Security Personnel Operations, connectedTo, Facial Recognition Systems>
+<Thermal Imaging, connectedTo, Behavioral Analytics>
+<Wildlife Tracking, controls, Asset Tracking>
+<Wildlife Tracking, records, Security Personnel Operations>
diff --git a/test/diagrams/graph_easy/diagrams_308.dot b/test/diagrams/graph_easy/diagrams_308.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c7be46beadc57b385cc54a7033f2588dca0657cf
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_308.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Public Space Monitoring" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N1 [label="Border Surveillance" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N2 [label="Access Control Systems" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N3 [label="Security Personnel Operations" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N4 [label="Data Collection" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N5 [label="Video Analytics" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N6 [label="Real_time Alerts" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N7 [label="Drone Surveillance" color="#4CAF50" fillcolor="#C8E6C9" shape=database style=filled]
+	N8 [label="GPS Tracking" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+	N9 [label="Internet Traffic Monitoring" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N0 -> N1 [color="#FFC107" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N4 -> N5 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=solid label="identifies" dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=dashed label="visualizes" dir=forward]
+	N7 -> N8 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="privacy_protects" dir=forward]
+	N9 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_308.txt b/test/diagrams/graph_easy/diagrams_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..13db2af0473c9e753826f14d517e481c4d9d88b4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_308.txt
@@ -0,0 +1,10 @@
+<Access Control Systems, connectedTo, Security Personnel Operations>
+<Border Surveillance, connectedTo, Access Control Systems>
+<Data Collection, connectedTo, Video Analytics>
+<Drone Surveillance, connectedTo, GPS Tracking>
+<GPS Tracking, privacy_protects, Internet Traffic Monitoring>
+<Internet Traffic Monitoring, connectedTo, Security Personnel Operations>
+<Public Space Monitoring, regulates, Border Surveillance>
+<Real_time Alerts, visualizes, Drone Surveillance>
+<Security Personnel Operations, audits, Data Collection>
+<Video Analytics, identifies, Real_time Alerts>
diff --git a/test/diagrams/graph_easy/diagrams_309.dot b/test/diagrams/graph_easy/diagrams_309.dot
new file mode 100644
index 0000000000000000000000000000000000000000..12c4c82f964ac7fdd7736174e8a414524b4cd71a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_309.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Data Storage and Retention" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N1 [label="Mobile Phone Interception" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+	N2 [label="Physical Security Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N3 [label="Environmental Monitoring" color="#FFC085" fillcolor="#FFDAB9" shape=rect style=filled]
+	N4 [label="Data Collection" color="#FFC085" fillcolor="#FFDAB9" shape=action style=filled]
+	N5 [label="Internet Traffic Monitoring" color="#FFEB3B" fillcolor="#FFF9C4" shape=document style=filled]
+	N6 [label="Border Surveillance" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N7 [label="Anomaly Detection" color="#FFEB3B" fillcolor="#FFF9C4" shape=document style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="verifies" dir=forward]
+	N1 -> N2 [color="#FFEB3B" penwidth=1.5 style=solid label="secures" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=dashed label="shares" dir=forward]
+	N4 -> N5 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N3 [color="#FFEB3B" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N1 -> N0 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_309.txt b/test/diagrams/graph_easy/diagrams_309.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d3c2dfb00c8b296cfe62233e86fa9b57b0bba82
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_309.txt
@@ -0,0 +1,9 @@
+<Border Surveillance, connectedTo, Anomaly Detection>
+<Data Collection, connectedTo, Internet Traffic Monitoring>
+<Data Storage and Retention, verifies, Mobile Phone Interception>
+<Environmental Monitoring, shares, Data Collection>
+<Internet Traffic Monitoring, connectedTo, Border Surveillance>
+<Mobile Phone Interception, connectedTo, Data Storage and Retention>
+<Mobile Phone Interception, regulates, Environmental Monitoring>
+<Mobile Phone Interception, secures, Physical Security Integration>
+<Physical Security Integration, connectedTo, Environmental Monitoring>
diff --git a/test/diagrams/graph_easy/diagrams_31.dot b/test/diagrams/graph_easy/diagrams_31.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8ed311a4d7ba621a68a10c5a81b77faae3f887b8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_31.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Crop Rotation Planning" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N1 [label="Equipment Repair" color="#90A4AE" fillcolor="#ECEFF1" shape=inputoutput style=filled]
+	N2 [label="Water Level Measurement" color="#DCE775" fillcolor="#F9FBE7" shape=document style=filled]
+	N3 [label="Precision Farming" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N4 [label="Food Processing" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N5 [label="Grain Drying" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N6 [label="Aquaculture Farming" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	N7 [label="Greenhouse Control" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N8 [label="Seedling Transplanting" color="#DCE775" fillcolor="#F9FBE7" shape=inputoutput style=filled]
+	N9 [label="Packaging for Sale" color="#A1D7CD" fillcolor="#EDF5F3" shape=multipledocuments style=filled]
+	N10 [label="Traceability System" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N11 [label="Fencing Installation" color="#A1D7CD" fillcolor="#EDF5F3" shape=action style=filled]
+	N0 -> N1 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N2 -> N3 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="protects" dir=forward]
+	N6 -> N7 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#A1D7CD" penwidth=1.5 style=solid label="complies" dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N10 -> N11 [color="#DCE775" penwidth=1.5 style=solid label="automates" dir=forward]
+	N11 -> N1 [color="#000000" penwidth=1.5 style=dashed label="sensors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_31.txt b/test/diagrams/graph_easy/diagrams_31.txt
new file mode 100644
index 0000000000000000000000000000000000000000..573851b2ed1b0b64234562bcad7cda52e8ad2e51
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_31.txt
@@ -0,0 +1,12 @@
+<Aquaculture Farming, connectedTo, Greenhouse Control>
+<Crop Rotation Planning, connectedTo, Equipment Repair>
+<Equipment Repair, monitors, Water Level Measurement>
+<Fencing Installation, sensors, Equipment Repair>
+<Food Processing, connectedTo, Grain Drying>
+<Grain Drying, protects, Aquaculture Farming>
+<Greenhouse Control, complies, Seedling Transplanting>
+<Packaging for Sale, innovates, Traceability System>
+<Precision Farming, controls, Food Processing>
+<Seedling Transplanting, tracks, Packaging for Sale>
+<Traceability System, automates, Fencing Installation>
+<Water Level Measurement, connectedTo, Precision Farming>
diff --git a/test/diagrams/graph_easy/diagrams_310.dot b/test/diagrams/graph_easy/diagrams_310.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f107e85be3a25a58ac8811976dfbc09ed97f2e97
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_310.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Situational Crime Prevention" color="#4DB6AC" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N1 [label="Reintegration Programs" color="#4DB6AC" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N2 [label="Security Lighting" color="#4DB6AC" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N3 [label="Environmental Design" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N4 [label="Sexual Assault Prevention" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+	N5 [label="Youth Programs" color="#AED581" fillcolor="#F0F4C3" shape=rect style=filled]
+	N6 [label="Technology for Prevention" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N7 [label="Behavioral Science in Prevention" color="#AED581" fillcolor="#F0F4C3" shape=multipledocuments style=filled]
+	N8 [label="Data Sharing Initiatives" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N0 -> N1 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#82DAFF" penwidth=1.5 style=dashed label="responds" dir=forward]
+	N3 -> N4 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N5 -> N6 [color="#AED581" penwidth=1.5 style=dashed label="policies_implements" dir=forward]
+	N6 -> N7 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#82DAFF" penwidth=1.5 style=dashed label="investigates" dir=forward]
+	N0 -> N5 [color="#AED581" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N0 -> N3 [color="#AED581" penwidth=1.5 style=dashed label="rehabilitates_offenders" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_310.txt b/test/diagrams/graph_easy/diagrams_310.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93fc6f5ec560428fcd026341a1bce7d6f196779e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_310.txt
@@ -0,0 +1,10 @@
+<Behavioral Science in Prevention, investigates, Data Sharing Initiatives>
+<Environmental Design, connectedTo, Sexual Assault Prevention>
+<Reintegration Programs, connectedTo, Security Lighting>
+<Security Lighting, responds, Environmental Design>
+<Sexual Assault Prevention, forecasts, Youth Programs>
+<Situational Crime Prevention, audits, Youth Programs>
+<Situational Crime Prevention, connectedTo, Reintegration Programs>
+<Situational Crime Prevention, rehabilitates_offenders, Environmental Design>
+<Technology for Prevention, connectedTo, Behavioral Science in Prevention>
+<Youth Programs, policies_implements, Technology for Prevention>
diff --git a/test/diagrams/graph_easy/diagrams_311.dot b/test/diagrams/graph_easy/diagrams_311.dot
new file mode 100644
index 0000000000000000000000000000000000000000..79316529c552f329af380d22b73950623812de7e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_311.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Mediation Services" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N1 [label="Public Awareness Campaigns" color="#5C6BC0" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N2 [label="Burglary Prevention" color="#5C6BC0" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N3 [label="Early Intervention Programs" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N4 [label="CCTV Installation" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	N5 [label="Vehicle Theft Prevention" color="#D2D2D2" fillcolor="#F0F0F0" shape=predefinedprocess style=filled]
+	N6 [label="Fraud Prevention" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N7 [label="Security Lighting" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N8 [label="Domestic Violence Prevention" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=dashed label="prevents" dir=forward]
+	N7 -> N8 [color="#FFC085" penwidth=1.5 style=dashed label="supports_victims" dir=forward]
+	N7 -> N5 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_311.txt b/test/diagrams/graph_easy/diagrams_311.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b5eb8a3996d6366df5d353f08257a2cce69b80bb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_311.txt
@@ -0,0 +1,9 @@
+<Burglary Prevention, predicts, Early Intervention Programs>
+<CCTV Installation, connectedTo, Vehicle Theft Prevention>
+<Early Intervention Programs, licenses, CCTV Installation>
+<Fraud Prevention, prevents, Security Lighting>
+<Mediation Services, connectedTo, Public Awareness Campaigns>
+<Public Awareness Campaigns, connectedTo, Burglary Prevention>
+<Security Lighting, audits, Vehicle Theft Prevention>
+<Security Lighting, supports_victims, Domestic Violence Prevention>
+<Vehicle Theft Prevention, connectedTo, Fraud Prevention>
diff --git a/test/diagrams/graph_easy/diagrams_312.txt b/test/diagrams/graph_easy/diagrams_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..27cbb3ff6c6856fd6b871500e74a6bc8b88ed963
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_312.txt
@@ -0,0 +1,8 @@
+<Crisis Intervention, connectedTo, Fraud Prevention>
+<Crisis Intervention, connectedTo, Public Awareness Campaigns>
+<Data Sharing Initiatives, rehabilitates_offenders, Law Enforcement Training>
+<Fraud Prevention, connectedTo, Mediation Services>
+<Mediation Services, licenses, Restorative Justice>
+<Public Awareness Campaigns, advises, Situational Crime Prevention>
+<Restorative Justice, community_engages, Data Sharing Initiatives>
+<Situational Crime Prevention, programs_initiates, Fraud Prevention>
diff --git a/test/diagrams/graph_easy/diagrams_313.txt b/test/diagrams/graph_easy/diagrams_313.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c566a46a9d40d10f33774a5659c171e24a5ea83
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_313.txt
@@ -0,0 +1,12 @@
+<Camera Trap Deployment, connectedTo, Disease Surveillance>
+<Climate Change Adaptation for Wildlife, monitors, Ecosystem Services Valuation>
+<Conservation Genetics, researches, Population Dynamics Study>
+<Data Management for Conservation, connectedTo, Camera Trap Deployment>
+<Disease Surveillance, species_saves, Satellite Tracking of Animals>
+<Ecosystem Services Valuation, connectedTo, Ecotourism Management>
+<Ecotourism Management, connectedTo, Ecosystem Services Valuation>
+<Ecotourism Management, connectedTo, Human_Wildlife Conflict Mitigation>
+<Human_Wildlife Conflict Mitigation, protects, Conservation Genetics>
+<Population Dynamics Study, predicts_changes, Data Management for Conservation>
+<Population Dynamics Study, secures_areas, Camera Trap Deployment>
+<Translocation of Species, connectedTo, Climate Change Adaptation for Wildlife>
diff --git a/test/diagrams/graph_easy/diagrams_314.dot b/test/diagrams/graph_easy/diagrams_314.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9960c0d1cbd9946f8d76ed64a55f10ee8acb4f17
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_314.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Satellite Tracking of Animals" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N1 [label="Grassland Conservation" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N2 [label="Ecotourism Management" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+	N3 [label="Policy Advocacy" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N4 [label="Wildlife Rescue and Rehabilitation" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N5 [label="Data Management for Conservation" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N6 [label="Reintroduction Programs" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N7 [label="Protected Area Management" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#F7BEE0" penwidth=1.5 style=solid label="manages" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid label="secures_areas" dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=solid label="legal_enforces" dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=solid label="rehabilitates" dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed label="habitats_preserves" dir=forward]
+	N2 -> N4 [color="#94C0C0" penwidth=1.5 style=dashed label="responds" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_314.txt b/test/diagrams/graph_easy/diagrams_314.txt
new file mode 100644
index 0000000000000000000000000000000000000000..166329a3f53ede34826b7a43cb5ea102a023b565
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_314.txt
@@ -0,0 +1,8 @@
+<Data Management for Conservation, rehabilitates, Reintroduction Programs>
+<Ecotourism Management, connectedTo, Policy Advocacy>
+<Ecotourism Management, responds, Wildlife Rescue and Rehabilitation>
+<Grassland Conservation, secures_areas, Ecotourism Management>
+<Policy Advocacy, connectedTo, Wildlife Rescue and Rehabilitation>
+<Reintroduction Programs, habitats_preserves, Protected Area Management>
+<Satellite Tracking of Animals, manages, Grassland Conservation>
+<Wildlife Rescue and Rehabilitation, legal_enforces, Data Management for Conservation>
diff --git a/test/diagrams/graph_easy/diagrams_315.dot b/test/diagrams/graph_easy/diagrams_315.dot
new file mode 100644
index 0000000000000000000000000000000000000000..72c082b1b7aff42d59e2b8e5966322c801f1b1ba
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_315.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Satellite Tracking of Animals" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N1 [label="Rewilding Initiatives" color="#4DB6AC" fillcolor="#E0F2F1" shape=action style=filled]
+	N2 [label="Wildlife Rescue and Rehabilitation" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N3 [label="Protected Area Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=database style=filled]
+	N4 [label="Ecotourism Management" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N5 [label="Policy Advocacy" color="#FF8A65" fillcolor="#FBE9E7" shape=rect style=filled]
+	N6 [label="Fundraising for Conservation" color="#FF8A65" fillcolor="#FBE9E7" shape=multipledocuments style=filled]
+	N7 [label="Freshwater Conservation" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N8 [label="Research and Development in Conservation" color="#4DB6AC" fillcolor="#E0F2F1" shape=preparation style=filled]
+	N0 -> N1 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FF8A65" penwidth=1.5 style=dashed label="advocates" dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4DB6AC" penwidth=1.5 style=solid label="educates" dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=dashed label="species_saves" dir=forward]
+	N7 -> N8 [color="#4DB6AC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=solid label="community_engages" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_315.txt b/test/diagrams/graph_easy/diagrams_315.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa04bdd6dcaf2fb9a1682e81bf7249e2314b530a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_315.txt
@@ -0,0 +1,9 @@
+<Ecotourism Management, educates, Policy Advocacy>
+<Freshwater Conservation, connectedTo, Research and Development in Conservation>
+<Fundraising for Conservation, community_engages, Protected Area Management>
+<Fundraising for Conservation, species_saves, Freshwater Conservation>
+<Policy Advocacy, connectedTo, Fundraising for Conservation>
+<Protected Area Management, connectedTo, Ecotourism Management>
+<Rewilding Initiatives, advocates, Wildlife Rescue and Rehabilitation>
+<Satellite Tracking of Animals, connectedTo, Rewilding Initiatives>
+<Wildlife Rescue and Rehabilitation, connectedTo, Protected Area Management>
diff --git a/test/diagrams/graph_easy/diagrams_316.dot b/test/diagrams/graph_easy/diagrams_316.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e41625c5b7372a10e4c0f93634aee826bdef6191
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_316.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Marine Life Observation" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N1 [label="Marine Pollution Monitoring" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N2 [label="Chemical Oceanography" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N3 [label="Sea Level Monitoring" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N4 [label="Ocean Temperature Sensing" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N5 [label="Hydrothermal Vent Exploration" color="#D2D2D2" fillcolor="#F0F0F0" shape=rect style=filled]
+	N6 [label="Sediment Analysis" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N7 [label="Ocean Data Archiving" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=solid label="marine_life" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="currents" dir=forward]
+	N0 -> N6 [color="#E91E63" penwidth=1.5 style=dashed label="geology" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_316.txt b/test/diagrams/graph_easy/diagrams_316.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5d8cce98cd70e9bbde874206f27985e8225c1f7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_316.txt
@@ -0,0 +1,8 @@
+<Chemical Oceanography, connectedTo, Sea Level Monitoring>
+<Hydrothermal Vent Exploration, marine_life, Sediment Analysis>
+<Marine Life Observation, connectedTo, Marine Pollution Monitoring>
+<Marine Life Observation, geology, Sediment Analysis>
+<Marine Pollution Monitoring, connectedTo, Chemical Oceanography>
+<Ocean Temperature Sensing, educates, Hydrothermal Vent Exploration>
+<Sea Level Monitoring, connectedTo, Ocean Temperature Sensing>
+<Sediment Analysis, currents, Ocean Data Archiving>
diff --git a/test/diagrams/graph_easy/diagrams_317.dot b/test/diagrams/graph_easy/diagrams_317.dot
new file mode 100644
index 0000000000000000000000000000000000000000..455eebccff6e668dfbd65abd5e091bcd82702659
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_317.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Deep_Sea Exploration" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N1 [label="Ocean Temperature Sensing" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N2 [label="Coral Reef Monitoring" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N3 [label="Seabed Resource Exploration" color="#C0CA33" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N4 [label="Underwater Acoustics" color="#C0CA33" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N5 [label="Ocean Renewable Energy" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N6 [label="Climate Change Impact Study" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N7 [label="Coastal Zone Management" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N8 [label="Ocean Acidification Research" color="#C0CA33" fillcolor="#F9FBE7" shape=inputoutput style=filled]
+	N9 [label="Data Visualization" color="#C0CA33" fillcolor="#F9FBE7" shape=action style=filled]
+	N0 -> N1 [color="#C0CA33" penwidth=1.5 style=solid label="researches" dir=forward]
+	N1 -> N2 [color="#C0CA33" penwidth=1.5 style=solid label="measures" dir=forward]
+	N2 -> N3 [color="#66BB6A" penwidth=1.5 style=dashed label="maps" dir=forward]
+	N3 -> N4 [color="#C0CA33" penwidth=1.5 style=dashed label="observes" dir=forward]
+	N4 -> N5 [color="#66BB6A" penwidth=1.5 style=dashed label="models" dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#66BB6A" penwidth=1.5 style=dashed label="develops_instruments" dir=forward]
+	N8 -> N9 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N0 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N0 [color="#92C79A" penwidth=1.5 style=dashed label="temperature" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_317.txt b/test/diagrams/graph_easy/diagrams_317.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c40eba68890eedd2e63b041a08e2ee7d8e3c7179
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_317.txt
@@ -0,0 +1,11 @@
+<Climate Change Impact Study, connectedTo, Coastal Zone Management>
+<Climate Change Impact Study, temperature, Deep_Sea Exploration>
+<Coastal Zone Management, develops_instruments, Ocean Acidification Research>
+<Coral Reef Monitoring, connectedTo, Deep_Sea Exploration>
+<Coral Reef Monitoring, maps, Seabed Resource Exploration>
+<Deep_Sea Exploration, researches, Ocean Temperature Sensing>
+<Ocean Acidification Research, connectedTo, Data Visualization>
+<Ocean Renewable Energy, connectedTo, Climate Change Impact Study>
+<Ocean Temperature Sensing, measures, Coral Reef Monitoring>
+<Seabed Resource Exploration, observes, Underwater Acoustics>
+<Underwater Acoustics, models, Ocean Renewable Energy>
diff --git a/test/diagrams/graph_easy/diagrams_318.dot b/test/diagrams/graph_easy/diagrams_318.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d9a45c72a430323781236942d247bc27e127eea6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_318.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Marine Life Observation" color="#9575CD" fillcolor="#EDE7F6" shape=document style=filled]
+	N1 [label="Sediment Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+	N2 [label="Ocean Acidification Research" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N3 [label="Physical Oceanography" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N4 [label="Coral Reef Monitoring" color="#9575CD" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N5 [label="Marine Hazards Assessment" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+	N6 [label="Hydrothermal Vent Exploration" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N7 [label="Acoustic Oceanography" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N8 [label="Plastic Pollution Research" color="#9575CD" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=solid label="samples" dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#9575CD" penwidth=1.5 style=solid label="develops_instruments" dir=forward]
+	N7 -> N2 [color="#9575CD" penwidth=1.5 style=solid label="maintains_buoys" dir=forward]
+	N0 -> N7 [color="#DCE775" penwidth=1.5 style=solid label="visualizes_data" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_318.txt b/test/diagrams/graph_easy/diagrams_318.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c399fb2b073b7bd338a0a93c2fb4e5f8c394e2e5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_318.txt
@@ -0,0 +1,10 @@
+<Acoustic Oceanography, develops_instruments, Plastic Pollution Research>
+<Acoustic Oceanography, maintains_buoys, Ocean Acidification Research>
+<Coral Reef Monitoring, connectedTo, Marine Hazards Assessment>
+<Hydrothermal Vent Exploration, connectedTo, Acoustic Oceanography>
+<Marine Hazards Assessment, forecasts, Hydrothermal Vent Exploration>
+<Marine Life Observation, samples, Sediment Analysis>
+<Marine Life Observation, visualizes_data, Acoustic Oceanography>
+<Ocean Acidification Research, connectedTo, Physical Oceanography>
+<Physical Oceanography, connectedTo, Coral Reef Monitoring>
+<Sediment Analysis, advises, Ocean Acidification Research>
diff --git a/test/diagrams/graph_easy/diagrams_319.dot b/test/diagrams/graph_easy/diagrams_319.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c9dfdd80bb71e6254a03aaa2384aa225482e7173
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_319.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="P_Wave or S_Wave Distinction" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N1 [label="Paleoseismology" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N2 [label="Earthquake Prediction Research" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N3 [label="Seismic Array Deployment" color="#92C79A" fillcolor="#E8F0EA" shape=vnode_shape style=filled]
+	N4 [label="Volcanic Seismology" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N5 [label="Structural Response to Earthquakes" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N6 [label="Strong Motion Instrumentation" color="#92C79A" fillcolor="#E8F0EA" shape=preparation style=filled]
+	N7 [label="Magnitude Determination" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+	N8 [label="Induced Seismicity Monitoring" color="#FFE69C" fillcolor="#FFF9D4" shape=diamond style=filled]
+	N9 [label="Subsurface Imaging" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N1 -> N2 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="predicts" dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N8 -> N9 [color="#BCB88A" penwidth=1.5 style=solid label="improves_accuracy" dir=forward]
+	N5 -> N3 [color="#FFE69C" penwidth=1.5 style=solid label="advises" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_319.txt b/test/diagrams/graph_easy/diagrams_319.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09166a527c38b14ab3616899044e18fbf9265240
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_319.txt
@@ -0,0 +1,10 @@
+<Earthquake Prediction Research, connectedTo, Seismic Array Deployment>
+<Induced Seismicity Monitoring, improves_accuracy, Subsurface Imaging>
+<Magnitude Determination, measures, Induced Seismicity Monitoring>
+<P_Wave or S_Wave Distinction, forecasts, Paleoseismology>
+<Paleoseismology, connectedTo, Earthquake Prediction Research>
+<Seismic Array Deployment, predicts, Volcanic Seismology>
+<Strong Motion Instrumentation, connectedTo, Magnitude Determination>
+<Structural Response to Earthquakes, advises, Seismic Array Deployment>
+<Structural Response to Earthquakes, connectedTo, Strong Motion Instrumentation>
+<Volcanic Seismology, connectedTo, Structural Response to Earthquakes>
diff --git a/test/diagrams/graph_easy/diagrams_32.txt b/test/diagrams/graph_easy/diagrams_32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09f6d067976f8635db3578410ccf0c4a73eb36c5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_32.txt
@@ -0,0 +1,9 @@
+<Agricultural Research, connectedTo, Seed Sowing>
+<Crop Rotation Planning, connectedTo, Weather Tracking>
+<Drone Scouting, rotates, Traceability System>
+<Farm Maintenance, researches, Agricultural Research>
+<Precision Farming, waters, Crop Rotation Planning>
+<Seed Sowing, connectedTo, Crop Monitoring>
+<Traceability System, removes, Precision Farming>
+<Weather Tracking, connectedTo, Farm Maintenance>
+<Weather Tracking, connectedTo, Precision Farming>
diff --git a/test/diagrams/graph_easy/diagrams_320.dot b/test/diagrams/graph_easy/diagrams_320.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a36f8b4539e8b53826c0c9cc1cc233e522e1ceac
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_320.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Earthquake Prediction Research" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N1 [label="Data Archiving and Distribution" color="#DCE775" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N2 [label="Epicenter Location" color="#795548" fillcolor="#D7CCC8" shape=rect style=filled]
+	N3 [label="Magnitude Determination" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N4 [label="Paleoseismology" color="#607D8B" fillcolor="#CFD8DC" shape=document style=filled]
+	N5 [label="Deep Earth Seismology" color="#795548" fillcolor="#D7CCC8" shape=vnode_shape style=filled]
+	N6 [label="Seismic Risk Mitigation" color="#607D8B" fillcolor="#CFD8DC" shape=multipledocuments style=filled]
+	N7 [label="Structural Response to Earthquakes" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#607D8B" penwidth=1.5 style=solid label="data_transmits" dir=forward]
+	N1 -> N2 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=solid label="maintains_networks" dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=solid label="interprets" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N4 -> N3 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_320.txt b/test/diagrams/graph_easy/diagrams_320.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c2dad9ce5a6ab277c7ac29ad6624a823e8a2782
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_320.txt
@@ -0,0 +1,8 @@
+<Data Archiving and Distribution, connectedTo, Epicenter Location>
+<Deep Earth Seismology, interprets, Seismic Risk Mitigation>
+<Earthquake Prediction Research, data_transmits, Data Archiving and Distribution>
+<Epicenter Location, connectedTo, Magnitude Determination>
+<Magnitude Determination, connectedTo, Paleoseismology>
+<Paleoseismology, connectedTo, Magnitude Determination>
+<Paleoseismology, maintains_networks, Deep Earth Seismology>
+<Seismic Risk Mitigation, measures, Structural Response to Earthquakes>
diff --git a/test/diagrams/graph_easy/diagrams_321.dot b/test/diagrams/graph_easy/diagrams_321.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ed55c4c44d05623f373099e790d7c3efdc40bd61
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_321.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Epicenter Location" color="#CB9BE1" fillcolor="#F2E6F5" shape=multipledocuments style=filled]
+	N1 [label="Deep Earth Seismology" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+	N2 [label="Strong Motion Instrumentation" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N3 [label="Seismic Instrumentation Maintenance" color="#BDBDBD" fillcolor="#F5F5F5" shape=document style=filled]
+	N4 [label="Nuclear Test Monitoring" color="#CB9BE1" fillcolor="#F2E6F5" shape=rectangle style=filled]
+	N5 [label="Structural Response to Earthquakes" color="#BDBDBD" fillcolor="#F5F5F5" shape=vnode_shape style=filled]
+	N6 [label="P_Wave or S_Wave Distinction" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N7 [label="Planetary Seismology" color="#DCE775" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N8 [label="Magnitude Determination" color="#BDBDBD" fillcolor="#F5F5F5" shape=action style=filled]
+	N9 [label="Liquefaction Potential Assessment" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+	N10 [label="Earth Structure Imaging" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N2 -> N3 [color="#BDBDBD" penwidth=1.5 style=dashed label="develops_technologies" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=solid label="warns" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N8 -> N9 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N7 [color="#CB9BE1" penwidth=1.5 style=solid label="data_collects" dir=forward]
+	N5 -> N3 [color="#CB9BE1" penwidth=1.5 style=dashed label="builds_resistant_structures" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_321.txt b/test/diagrams/graph_easy/diagrams_321.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af4f9d6541bd9f25e6f22dfe195857eadc35a3a8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_321.txt
@@ -0,0 +1,12 @@
+<Deep Earth Seismology, advises, Strong Motion Instrumentation>
+<Epicenter Location, connectedTo, Deep Earth Seismology>
+<Liquefaction Potential Assessment, connectedTo, Earth Structure Imaging>
+<Magnitude Determination, connectedTo, Liquefaction Potential Assessment>
+<Nuclear Test Monitoring, warns, Structural Response to Earthquakes>
+<P_Wave or S_Wave Distinction, connectedTo, Planetary Seismology>
+<Planetary Seismology, detects, Magnitude Determination>
+<Seismic Instrumentation Maintenance, connectedTo, Nuclear Test Monitoring>
+<Seismic Instrumentation Maintenance, data_collects, Planetary Seismology>
+<Strong Motion Instrumentation, develops_technologies, Seismic Instrumentation Maintenance>
+<Structural Response to Earthquakes, builds_resistant_structures, Seismic Instrumentation Maintenance>
+<Structural Response to Earthquakes, connectedTo, P_Wave or S_Wave Distinction>
diff --git a/test/diagrams/graph_easy/diagrams_322.dot b/test/diagrams/graph_easy/diagrams_322.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c542adacf21d6b97052b9c47555a400de33895af
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_322.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Genomic Data Sharing" color="#FFF176" fillcolor="#FFFDE7" shape=database style=filled]
+	N1 [label="Genomic Data Visualization" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N2 [label="Genome Assembly" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N3 [label="DNA Sequencing" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N4 [label="Gene Expression Profiling" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N5 [label="Metabolomics" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	N6 [label="Proteomics" color="#90A4AE" fillcolor="#ECEFF1" shape=document style=filled]
+	N7 [label="Transcriptomics" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N8 [label="CRISPR Gene Drive Research" color="#FFF176" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N9 [label="Genomic Editing" color="#DCE775" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N10 [label="Single_Cell Genomics" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFF176" penwidth=1.5 style=dashed label="visualizes_data" dir=forward]
+	N4 -> N5 [color="#FFF176" penwidth=1.5 style=dashed label="processes_data" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid label="therapies_develops" dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=solid label="interprets" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="identifies" dir=forward]
+	N9 -> N10 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_322.txt b/test/diagrams/graph_easy/diagrams_322.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff8becbc86fea8be17d1e16c01d1751b4122e249
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_322.txt
@@ -0,0 +1,11 @@
+<CRISPR Gene Drive Research, identifies, Genomic Editing>
+<DNA Sequencing, visualizes_data, Gene Expression Profiling>
+<Gene Expression Profiling, connectedTo, Transcriptomics>
+<Gene Expression Profiling, processes_data, Metabolomics>
+<Genome Assembly, connectedTo, DNA Sequencing>
+<Genomic Data Sharing, connectedTo, Genomic Data Visualization>
+<Genomic Data Visualization, connectedTo, Genome Assembly>
+<Genomic Editing, connectedTo, Single_Cell Genomics>
+<Metabolomics, regulates, Proteomics>
+<Proteomics, therapies_develops, Transcriptomics>
+<Transcriptomics, interprets, CRISPR Gene Drive Research>
diff --git a/test/diagrams/graph_easy/diagrams_323.dot b/test/diagrams/graph_easy/diagrams_323.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b9d47173c90953708ff7559b6ea2776b9fa8c900
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_323.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Genetic Counseling" color="#E91E63" fillcolor="#F8BBD0" shape=inputoutput style=filled]
+	N1 [label="Disease Gene Identification" color="#FF5722" fillcolor="#FFCCBC" shape=multipledocuments style=filled]
+	N2 [label="Spatial Genomics" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N3 [label="Genome Assembly" color="#388E3C" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N4 [label="Cancer Genomics" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+	N5 [label="Next_Generation Sequencing" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	N6 [label="Epigenomics" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N7 [label="Genome_Wide Association Studies" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N8 [label="Structural Genomics" color="#FF5722" fillcolor="#FFCCBC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=dashed label="proteins_characterizes" dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=solid label="compares" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="ethical_considers" dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="algorithms_develops" dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid label="RNA_investigates" dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=solid label="synthesizes" dir=forward]
+	N7 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N0 [color="#388E3C" penwidth=1.5 style=dashed label="annotates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_323.txt b/test/diagrams/graph_easy/diagrams_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..06e8df617f5b59cbfbcec5a6b981d6c4453d483c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_323.txt
@@ -0,0 +1,10 @@
+<Cancer Genomics, algorithms_develops, Next_Generation Sequencing>
+<Disease Gene Identification, compares, Spatial Genomics>
+<Epigenomics, connectedTo, Genome_Wide Association Studies>
+<Genetic Counseling, proteins_characterizes, Disease Gene Identification>
+<Genome Assembly, annotates, Genetic Counseling>
+<Genome Assembly, connectedTo, Cancer Genomics>
+<Genome_Wide Association Studies, connectedTo, Epigenomics>
+<Genome_Wide Association Studies, synthesizes, Structural Genomics>
+<Next_Generation Sequencing, RNA_investigates, Epigenomics>
+<Spatial Genomics, ethical_considers, Genome Assembly>
diff --git a/test/diagrams/graph_easy/diagrams_325.dot b/test/diagrams/graph_easy/diagrams_325.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6336b37d111fbaa159db973e6633d771c8cca0c6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_325.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Voice Assistant Development" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N1 [label="Speech Emotion Recognition" color="#94C0C0" fillcolor="#CADEDE" shape=document style=filled]
+	N2 [label="Children's Speech Recognition" color="#94C0C0" fillcolor="#CADEDE" shape=preparation style=filled]
+	N3 [label="Voice User Interface Design" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N4 [label="Speech Analytics" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N5 [label="Command and Control" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	N6 [label="Real_Time Captioning" color="#03A9F4" fillcolor="#B3E5FC" shape=multipledocuments style=filled]
+	N7 [label="Security Authentication" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N8 [label="Call Center Automation" color="#03A9F4" fillcolor="#B3E5FC" shape=multipledocuments style=filled]
+	N9 [label="Automatic Speech Recognition" color="#FFB74D" fillcolor="#FFF3E0" shape=rect style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#03A9F4" penwidth=1.5 style=solid label="transcribes" dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#03A9F4" penwidth=1.5 style=dashed label="adapts" dir=forward]
+	N8 -> N9 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N0 [color="#000000" penwidth=1.5 style=solid label="protects" dir=forward]
+	N1 -> N8 [color="#FFB74D" penwidth=1.5 style=dashed label="recognizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_325.txt b/test/diagrams/graph_easy/diagrams_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af58ebbd88390311e88ad9c31735be993fa08dc3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_325.txt
@@ -0,0 +1,11 @@
+<Call Center Automation, connectedTo, Automatic Speech Recognition>
+<Children's Speech Recognition, connectedTo, Voice User Interface Design>
+<Command and Control, connectedTo, Real_Time Captioning>
+<Real_Time Captioning, connectedTo, Security Authentication>
+<Real_Time Captioning, protects, Voice Assistant Development>
+<Security Authentication, adapts, Call Center Automation>
+<Speech Analytics, connectedTo, Command and Control>
+<Speech Emotion Recognition, recognizes, Call Center Automation>
+<Speech Emotion Recognition, transcribes, Children's Speech Recognition>
+<Voice Assistant Development, connectedTo, Speech Emotion Recognition>
+<Voice User Interface Design, develops, Speech Analytics>
diff --git a/test/diagrams/graph_easy/diagrams_326.dot b/test/diagrams/graph_easy/diagrams_326.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5d75cf69992cf006df5b0b56c97f39f1a95fd658
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_326.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Voice Activity Detection" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N1 [label="Security Authentication" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+	N2 [label="Feature Extraction" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	N3 [label="Speech_to_Text Conversion" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N4 [label="Keyword Spotting" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N5 [label="Command and Control" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N6 [label="Call Center Automation" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N7 [label="Automatic Speech Recognition" color="#B8C0F5" fillcolor="#ECF0FD" shape=multipledocuments style=filled]
+	N8 [label="Speaker Identification" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=dashed label="enhances" dir=forward]
+	N6 -> N7 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FF5722" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N6 -> N5 [color="#000000" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N1 -> N8 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_326.txt b/test/diagrams/graph_easy/diagrams_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3136cc693323d6083dab02e161d4d687b003098
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_326.txt
@@ -0,0 +1,10 @@
+<Automatic Speech Recognition, processes, Speaker Identification>
+<Call Center Automation, connectedTo, Automatic Speech Recognition>
+<Call Center Automation, filters, Command and Control>
+<Command and Control, enhances, Call Center Automation>
+<Feature Extraction, connectedTo, Speech_to_Text Conversion>
+<Keyword Spotting, connectedTo, Command and Control>
+<Security Authentication, connectedTo, Speaker Identification>
+<Security Authentication, licenses, Feature Extraction>
+<Speech_to_Text Conversion, connectedTo, Keyword Spotting>
+<Voice Activity Detection, connectedTo, Security Authentication>
diff --git a/test/diagrams/graph_easy/diagrams_327.dot b/test/diagrams/graph_easy/diagrams_327.dot
new file mode 100644
index 0000000000000000000000000000000000000000..27c668041ae4dc287e4173cd9e55d8a3d8c38bb7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_327.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Contextual Understanding" color="#FFF176" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N1 [label="Speaker Diarization" color="#FFB2A5" fillcolor="#FFDCD6" shape=rectangle style=filled]
+	N2 [label="Multimodal Speech Processing" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N3 [label="Speech_to_Text Conversion" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N4 [label="Prosody Analysis" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N5 [label="Accent Recognition" color="#FFB2A5" fillcolor="#FFDCD6" shape=action style=filled]
+	N6 [label="Children's Speech Recognition" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N7 [label="Acoustic Modeling" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N8 [label="Text_to_Speech Synthesis" color="#FFB2A5" fillcolor="#FFDCD6" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=dashed label="translates" dir=forward]
+	N3 -> N4 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFF176" penwidth=1.5 style=dashed label="understands" dir=forward]
+	N7 -> N8 [color="#FFF176" penwidth=1.5 style=solid label="converts" dir=forward]
+	N4 -> N6 [color="#FFF176" penwidth=1.5 style=dashed label="outputs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_327.txt b/test/diagrams/graph_easy/diagrams_327.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1d8abe671e073b52a279a614977c97ad9e05a610
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_327.txt
@@ -0,0 +1,9 @@
+<Accent Recognition, connectedTo, Children's Speech Recognition>
+<Acoustic Modeling, converts, Text_to_Speech Synthesis>
+<Children's Speech Recognition, understands, Acoustic Modeling>
+<Contextual Understanding, connectedTo, Speaker Diarization>
+<Multimodal Speech Processing, translates, Speech_to_Text Conversion>
+<Prosody Analysis, connectedTo, Accent Recognition>
+<Prosody Analysis, outputs, Children's Speech Recognition>
+<Speaker Diarization, connectedTo, Multimodal Speech Processing>
+<Speech_to_Text Conversion, connectedTo, Prosody Analysis>
diff --git a/test/diagrams/graph_easy/diagrams_328.dot b/test/diagrams/graph_easy/diagrams_328.dot
new file mode 100644
index 0000000000000000000000000000000000000000..26d210b4431c2a29994a5492619363762ae10992
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_328.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Opinion Mining" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N1 [label="Author Attribution" color="#82DAFF" fillcolor="#C8EDFF" shape=rect style=filled]
+	N2 [label="Vector Space Models" color="#82DAFF" fillcolor="#C8EDFF" shape=rectangle style=filled]
+	N3 [label="Data Cleaning for Text" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N4 [label="Biomedical Text Mining" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N5 [label="Natural Language Processing" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N6 [label="News Article Analysis" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N7 [label="Part_of_Speech Tagging" color="#82DAFF" fillcolor="#C8EDFF" shape=preparation style=filled]
+	N8 [label="Chatbot Development" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N9 [label="Text Similarity Analysis" color="#FFF9AE" fillcolor="#FFFCE6" shape=vnode_shape style=filled]
+	N10 [label="Spam Detection" color="#FFF9AE" fillcolor="#FFFCE6" shape=rect style=filled]
+	N0 -> N1 [color="#82DAFF" penwidth=1.5 style=solid label="applies" dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=solid label="secures" dir=forward]
+	N2 -> N3 [color="#82DAFF" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="evaluates" dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N5 -> N6 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#82DAFF" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N7 -> N8 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#82DAFF" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N9 -> N10 [color="#82DAFF" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N0 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N1 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_328.txt b/test/diagrams/graph_easy/diagrams_328.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4ad09cac719eeeac9b1e295aa9070685c129d8f4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_328.txt
@@ -0,0 +1,12 @@
+<Author Attribution, secures, Vector Space Models>
+<Biomedical Text Mining, optimizes, Natural Language Processing>
+<Chatbot Development, analyzes, Text Similarity Analysis>
+<Data Cleaning for Text, evaluates, Biomedical Text Mining>
+<Natural Language Processing, connectedTo, Author Attribution>
+<Natural Language Processing, connectedTo, News Article Analysis>
+<News Article Analysis, filters, Part_of_Speech Tagging>
+<Opinion Mining, applies, Author Attribution>
+<Opinion Mining, connectedTo, Vector Space Models>
+<Part_of_Speech Tagging, connectedTo, Chatbot Development>
+<Text Similarity Analysis, protects, Spam Detection>
+<Vector Space Models, alerts, Data Cleaning for Text>
diff --git a/test/diagrams/graph_easy/diagrams_329.dot b/test/diagrams/graph_easy/diagrams_329.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cdecabca98a86c771b61e77d62724f7257736d1b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_329.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Author Attribution" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N1 [label="Language Translation for Text Mining" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N2 [label="Text Similarity Analysis" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N3 [label="Natural Language Processing" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N4 [label="Concept Extraction" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N5 [label="Chatbot Development" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N6 [label="Social Media Text Analysis" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N7 [label="Regular Expressions for Text" color="#03A9F4" fillcolor="#B3E5FC" shape=preparation style=filled]
+	N8 [label="Spam Detection" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+	N9 [label="Vector Space Models" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N1 -> N2 [color="#03A9F4" penwidth=1.5 style=solid label="applies" dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#03A9F4" penwidth=1.5 style=dashed label="sentiments" dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#64B5F6" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="researches" dir=forward]
+	N3 -> N0 [color="#7986CB" penwidth=1.5 style=solid label="transforms_data" dir=forward]
+	N6 -> N0 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_33.dot b/test/diagrams/graph_easy/diagrams_33.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d4011db4e849fadbf8bfd5add85decbb9b7e2511
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_33.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Barn Cleaning" color="#BA68C8" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N1 [label="Seedling Transplanting" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N2 [label="Storage" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N3 [label="Farm Maintenance" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N4 [label="Forestry Management" color="#607D8B" fillcolor="#CFD8DC" shape=document style=filled]
+	N5 [label="Water Level Measurement" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N6 [label="Greenhouse Control" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N7 [label="Harvesting" color="#607D8B" fillcolor="#CFD8DC" shape=rectangle style=filled]
+	N8 [label="Supply Chain to Retailers" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N9 [label="Traceability System" color="#BA68C8" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N6 -> N7 [color="#607D8B" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N8 -> N9 [color="#BA68C8" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N7 -> N2 [color="#BA68C8" penwidth=1.5 style=dashed label="monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_33.txt b/test/diagrams/graph_easy/diagrams_33.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a0bc3c8e2f84be563417b56dc634f1fdb76beeb9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_33.txt
@@ -0,0 +1,10 @@
+<Barn Cleaning, connectedTo, Seedling Transplanting>
+<Farm Maintenance, connectedTo, Forestry Management>
+<Forestry Management, connectedTo, Water Level Measurement>
+<Greenhouse Control, researches, Harvesting>
+<Harvesting, monitors, Storage>
+<Harvesting, tracks, Supply Chain to Retailers>
+<Seedling Transplanting, connectedTo, Storage>
+<Storage, connectedTo, Farm Maintenance>
+<Supply Chain to Retailers, processes, Traceability System>
+<Water Level Measurement, repairs, Greenhouse Control>
diff --git a/test/diagrams/graph_easy/diagrams_330.dot b/test/diagrams/graph_easy/diagrams_330.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f28aaf0b5542f1b925fc4e047004e86c0b1f9fac
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_330.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Topic Modeling" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Relationship Extraction" color="#5C6BC0" fillcolor="#E8EAF6" shape=database style=filled]
+	N2 [label="News Article Analysis" color="#5C6BC0" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N3 [label="Text Preprocessing" color="#FF8A65" fillcolor="#FBE9E7" shape=inputoutput style=filled]
+	N4 [label="Author Attribution" color="#5C6BC0" fillcolor="#E8EAF6" shape=document style=filled]
+	N5 [label="Information Extraction" color="#FF8A65" fillcolor="#FBE9E7" shape=rect style=filled]
+	N6 [label="Lemmatization or Stemming" color="#CDDC39" fillcolor="#E6EE9C" shape=vnode_shape style=filled]
+	N7 [label="Plagiarism Detection" color="#FF8A65" fillcolor="#FBE9E7" shape=document style=filled]
+	N0 -> N1 [color="#CDDC39" penwidth=1.5 style=dashed label="models" dir=forward]
+	N1 -> N2 [color="#5C6BC0" penwidth=1.5 style=dashed label="trends" dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=solid label="keywords" dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#5C6BC0" penwidth=1.5 style=solid label="relationships" dir=forward]
+	N7 -> N0 [color="#CDDC39" penwidth=1.5 style=solid label="researches" dir=forward]
+	N7 -> N2 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_330.txt b/test/diagrams/graph_easy/diagrams_330.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b9cabb57f821db45b94d2a3859aa5c0fa996d2ba
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_330.txt
@@ -0,0 +1,9 @@
+<Author Attribution, keywords, Information Extraction>
+<Information Extraction, connectedTo, Lemmatization or Stemming>
+<Lemmatization or Stemming, relationships, Plagiarism Detection>
+<News Article Analysis, connectedTo, Text Preprocessing>
+<Plagiarism Detection, connectedTo, News Article Analysis>
+<Plagiarism Detection, researches, Topic Modeling>
+<Relationship Extraction, trends, News Article Analysis>
+<Text Preprocessing, connectedTo, Author Attribution>
+<Topic Modeling, models, Relationship Extraction>
diff --git a/test/diagrams/graph_easy/diagrams_331.dot b/test/diagrams/graph_easy/diagrams_331.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b3be081446cb26dc2cb70caf307c6d45e89f3ec9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_331.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Digital Twin Lifecycle Management" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N1 [label="Remote Control Capabilities" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N2 [label="Interoperability Standards" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N3 [label="Virtual Prototyping" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N4 [label="Energy Consumption Optimization" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N5 [label="Performance Monitoring" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+	N6 [label="Lifecycle Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N7 [label="Enterprise Asset Management Integration" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N8 [label="Smart City Planning" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="blockchain_leverages" dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N3 -> N4 [color="#AF56A6" penwidth=1.5 style=dashed label="sensors_connects" dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N1 -> N8 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N0 -> N3 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_331.txt b/test/diagrams/graph_easy/diagrams_331.txt
new file mode 100644
index 0000000000000000000000000000000000000000..97ef5a12bcb4fcc92a0e475b22c42a12700a2752
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_331.txt
@@ -0,0 +1,10 @@
+<Digital Twin Lifecycle Management, connectedTo, Virtual Prototyping>
+<Digital Twin Lifecycle Management, secures, Remote Control Capabilities>
+<Energy Consumption Optimization, analyzes, Performance Monitoring>
+<Enterprise Asset Management Integration, connectedTo, Smart City Planning>
+<Interoperability Standards, repairs, Virtual Prototyping>
+<Lifecycle Management, connectedTo, Enterprise Asset Management Integration>
+<Performance Monitoring, connectedTo, Lifecycle Management>
+<Remote Control Capabilities, blockchain_leverages, Interoperability Standards>
+<Remote Control Capabilities, connectedTo, Smart City Planning>
+<Virtual Prototyping, sensors_connects, Energy Consumption Optimization>
diff --git a/test/diagrams/graph_easy/diagrams_332.dot b/test/diagrams/graph_easy/diagrams_332.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fa985682e90825a891e15053e7b9ab5fc77b3441
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_332.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Automotive Digital Twins" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N1 [label="Energy Consumption Optimization" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N2 [label="Data Governance for Twins" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N3 [label="Enterprise Asset Management Integration" color="#00BCD4" fillcolor="#B2EBF2" shape=vnode_shape style=filled]
+	N4 [label="Performance Monitoring" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+	N5 [label="AI or ML Model Integration" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N6 [label="Sensor Data Integration" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+	N7 [label="Design Validation" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N8 [label="Data Security for Digital Twins" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N9 [label="System Integration Architecture" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N10 [label="Virtual Reality Interaction" color="#CB9BE1" fillcolor="#F2E6F5" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="IoT_integrates" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed label="deploys" dir=forward]
+	N3 -> N4 [color="#CB9BE1" penwidth=1.5 style=solid label="governs" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="scales" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="models" dir=forward]
+	N9 -> N10 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N2 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N6 [color="#00BCD4" penwidth=1.5 style=dashed label="failures_predicts" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_332.txt b/test/diagrams/graph_easy/diagrams_332.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7b3d730d025378e4b853554c5ccbb545bb88774
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_332.txt
@@ -0,0 +1,12 @@
+<AI or ML Model Integration, connectedTo, Sensor Data Integration>
+<Automotive Digital Twins, connectedTo, Energy Consumption Optimization>
+<Data Governance for Twins, deploys, Enterprise Asset Management Integration>
+<Data Security for Digital Twins, failures_predicts, Sensor Data Integration>
+<Data Security for Digital Twins, models, System Integration Architecture>
+<Design Validation, scales, Data Security for Digital Twins>
+<Energy Consumption Optimization, IoT_integrates, Data Governance for Twins>
+<Enterprise Asset Management Integration, governs, Performance Monitoring>
+<Performance Monitoring, connectedTo, Data Governance for Twins>
+<Performance Monitoring, predicts, AI or ML Model Integration>
+<Sensor Data Integration, connectedTo, Design Validation>
+<System Integration Architecture, connectedTo, Virtual Reality Interaction>
diff --git a/test/diagrams/graph_easy/diagrams_333.dot b/test/diagrams/graph_easy/diagrams_333.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1bd276e5c163e45a6de5315fafcda4ad25a2d24c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_333.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Operational Planning" color="#FFA726" fillcolor="#FFF3E0" shape=action style=filled]
+	N1 [label="Remote Control Capabilities" color="#FFA726" fillcolor="#FFF3E0" shape=rect style=filled]
+	N2 [label="Anomaly Detection" color="#90A4AE" fillcolor="#ECEFF1" shape=multipledocuments style=filled]
+	N3 [label="Predictive Maintenance" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N4 [label="Model Creation" color="#3F51B5" fillcolor="#C5CAE9" shape=parallelogram style=filled]
+	N5 [label="IoT Data Ingestion" color="#3F51B5" fillcolor="#C5CAE9" shape=action style=filled]
+	N6 [label="Real_Time Data Streaming" color="#90A4AE" fillcolor="#ECEFF1" shape=rect style=filled]
+	N7 [label="Virtual Prototyping" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	N8 [label="Healthcare Digital Twins" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N9 [label="AI or ML Model Integration" color="#90A4AE" fillcolor="#ECEFF1" shape=predefinedprocess style=filled]
+	N10 [label="Maintenance Scheduling" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N11 [label="Risk Assessment" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="builds" dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=solid label="scales" dir=forward]
+	N3 -> N4 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFA726" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=solid label="upgrades" dir=forward]
+	N7 -> N8 [color="#FFA726" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N9 -> N10 [color="#FFA726" penwidth=1.5 style=dashed label="governs" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N11 [color="#000000" penwidth=1.5 style=dashed label="machine_learning_uses" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_333.txt b/test/diagrams/graph_easy/diagrams_333.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10cb331e802a3c11c0fc19f5f7fc283d6147ead7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_333.txt
@@ -0,0 +1,12 @@
+<AI or ML Model Integration, governs, Maintenance Scheduling>
+<AI or ML Model Integration, machine_learning_uses, Risk Assessment>
+<Anomaly Detection, scales, Predictive Maintenance>
+<Healthcare Digital Twins, repairs, AI or ML Model Integration>
+<IoT Data Ingestion, maintains, Real_Time Data Streaming>
+<Maintenance Scheduling, connectedTo, Risk Assessment>
+<Model Creation, connectedTo, IoT Data Ingestion>
+<Operational Planning, connectedTo, Remote Control Capabilities>
+<Predictive Maintenance, connectedTo, Model Creation>
+<Real_Time Data Streaming, upgrades, Virtual Prototyping>
+<Remote Control Capabilities, builds, Anomaly Detection>
+<Virtual Prototyping, analyzes, Healthcare Digital Twins>
diff --git a/test/diagrams/graph_easy/diagrams_334.dot b/test/diagrams/graph_easy/diagrams_334.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8b9eb9b487eb8f55f19349538ec26a4f75a918b4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_334.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Security for Automation Bots" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N1 [label="Robotic Process Automation Implementation" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+	N2 [label="Performance Monitoring of Bots" color="#6FE1D5" fillcolor="#C9EFEC" shape=preparation style=filled]
+	N3 [label="Task Automation" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N4 [label="Orchestration of Processes" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N5 [label="Scripting for Automation" color="#CB9BE1" fillcolor="#F2E6F5" shape=preparation style=filled]
+	N6 [label="Automation Opportunity Identification" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N7 [label="Chatbot Integration" color="#6FE1D5" fillcolor="#C9EFEC" shape=rect style=filled]
+	N8 [label="Compliance in Automation" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N9 [label="Change Management for Automation" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+	N10 [label="Document Processing Automation" color="#6FE1D5" fillcolor="#C9EFEC" shape=preparation style=filled]
+	N11 [label="Process Mapping" color="#388E3C" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N0 -> N1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed label="improves_accuracy" dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="integrates_systems" dir=forward]
+	N7 -> N8 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="consults" dir=forward]
+	N9 -> N10 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#CB9BE1" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N0 -> N10 [color="#388E3C" penwidth=1.5 style=dashed label="notifications_sends" dir=forward]
+	N9 -> N5 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_335.dot b/test/diagrams/graph_easy/diagrams_335.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5a5957f2b1698783cb7f443f4b99bcf1357f36ae
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_335.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Business Rule Engines" color="#FFE470" fillcolor="#FFFAE0" shape=rectangle style=filled]
+	N1 [label="Intelligent Automation" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N2 [label="Data Entry Automation" color="#FFB2A5" fillcolor="#FFDCD6" shape=predefinedprocess style=filled]
+	N3 [label="Orchestration of Processes" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N4 [label="Performance Monitoring of Bots" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N5 [label="Process Mining" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N6 [label="HR Process Automation" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N7 [label="Workflow Analysis" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N0 -> N1 [color="#FFB2A5" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="RPA_implements" dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=dashed label="executes" dir=forward]
+	N3 -> N4 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="accelerates_operations" dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_335.txt b/test/diagrams/graph_easy/diagrams_335.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f58110baa7f515d88abeb360d1d76d396240ec1d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_335.txt
@@ -0,0 +1,9 @@
+<Business Rule Engines, optimizes, Intelligent Automation>
+<Data Entry Automation, executes, Orchestration of Processes>
+<HR Process Automation, connectedTo, Orchestration of Processes>
+<HR Process Automation, connectedTo, Workflow Analysis>
+<Intelligent Automation, RPA_implements, Data Entry Automation>
+<Orchestration of Processes, connectedTo, Performance Monitoring of Bots>
+<Performance Monitoring of Bots, connectedTo, Process Mining>
+<Performance Monitoring of Bots, connectedTo, Workflow Analysis>
+<Process Mining, accelerates_operations, HR Process Automation>
diff --git a/test/diagrams/graph_easy/diagrams_336.txt b/test/diagrams/graph_easy/diagrams_336.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0479d32e1aea6a29c41a79ceb6a15663a763a779
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_336.txt
@@ -0,0 +1,11 @@
+<Audit Trail for Automation, connectedTo, Automated Data Validation>
+<Automated Data Validation, AI_applies, Automation Opportunity Identification>
+<Automation Opportunity Identification, manages, Intelligent Automation>
+<Business Process Management, connectedTo, API Automation>
+<Hyperautomation, connectedTo, Audit Trail for Automation>
+<Hyperautomation, connectedTo, Business Process Management>
+<Intelligent Automation, connectedTo, Scripting for Automation>
+<Intelligent Automation, improves, Hyperautomation>
+<Optical Character Recognition for Automation, data_processes, Hyperautomation>
+<Report Generation Automation, connectedTo, Optical Character Recognition for Automation>
+<Scripting for Automation, connectedTo, Report Generation Automation>
diff --git a/test/diagrams/graph_easy/diagrams_337.dot b/test/diagrams/graph_easy/diagrams_337.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b9eab985788ae556e112e069443cf14d65ccc07b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_337.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="ISO Certification" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+	N1 [label="Component Inspection" color="#FFDA4E" fillcolor="#FFE88D" shape=rectangle style=filled]
+	N2 [label="Automated Optical Inspection" color="#AABEC6" fillcolor="#E0E6E9" shape=rect style=filled]
+	N3 [label="Customer Feedback Analysis" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N4 [label="Supplier Quality Management" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N5 [label="Lean Principles in Quality" color="#73C6BC" fillcolor="#D0EFEE" shape=document style=filled]
+	N6 [label="Quality Assurance" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N7 [label="Quality Data Analysis" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N8 [label="Regulatory Compliance for Quality" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N9 [label="Non_Conformance Management" color="#FFDA4E" fillcolor="#FFE88D" shape=rectangle style=filled]
+	N10 [label="Metrology" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N11 [label="Total Quality Management" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=dashed label="verifies" dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#AABEC6" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N4 -> N5 [color="#FFDA4E" penwidth=1.5 style=dashed label="preventive_actions_applies" dir=forward]
+	N5 -> N6 [color="#AABEC6" penwidth=1.5 style=solid label="reports_generates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="customer_satisfaction_ensures" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFDA4E" penwidth=1.5 style=solid label="processes_optimizes" dir=forward]
+	N10 -> N11 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N6 -> N9 [color="#73C6BC" penwidth=1.5 style=solid label="complies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_338.dot b/test/diagrams/graph_easy/diagrams_338.dot
new file mode 100644
index 0000000000000000000000000000000000000000..09a46231146ba4fa7c41b0fe4c9602fc98710c20
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_338.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Component Inspection" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N1 [label="Software Quality Assurance" color="#FFF9AE" fillcolor="#FFFCE6" shape=predefinedprocess style=filled]
+	N2 [label="Food Safety Quality Control" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N3 [label="Quality Management Systems" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N4 [label="Measurement System Analysis" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N5 [label="Automated Optical Inspection" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N6 [label="Lean Principles in Quality" color="#388E3C" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N7 [label="Statistical Process Control" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N8 [label="Total Quality Management" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N9 [label="Quality Control Tools" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N10 [label="Process Monitoring" color="#FFF9AE" fillcolor="#FFFCE6" shape=inputoutput style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="data_collects" dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed label="software_implements" dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=dashed label="root_causes_analyzes" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFCC80" penwidth=1.5 style=solid label="methodologies_applies" dir=forward]
+	N9 -> N10 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N8 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_338.txt b/test/diagrams/graph_easy/diagrams_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cda0d3796967838122e0edfd83ff804c2b0a7ff8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_338.txt
@@ -0,0 +1,12 @@
+<Automated Optical Inspection, root_causes_analyzes, Lean Principles in Quality>
+<Component Inspection, data_collects, Software Quality Assurance>
+<Food Safety Quality Control, connectedTo, Quality Management Systems>
+<Lean Principles in Quality, connectedTo, Statistical Process Control>
+<Measurement System Analysis, complies, Total Quality Management>
+<Measurement System Analysis, software_implements, Automated Optical Inspection>
+<Process Monitoring, connectedTo, Food Safety Quality Control>
+<Quality Control Tools, connectedTo, Process Monitoring>
+<Quality Management Systems, connectedTo, Measurement System Analysis>
+<Software Quality Assurance, connectedTo, Food Safety Quality Control>
+<Statistical Process Control, connectedTo, Total Quality Management>
+<Total Quality Management, methodologies_applies, Quality Control Tools>
diff --git a/test/diagrams/graph_easy/diagrams_339.dot b/test/diagrams/graph_easy/diagrams_339.dot
new file mode 100644
index 0000000000000000000000000000000000000000..085ddd918f7429a8bbdc34d262770638ce7d801e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_339.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Non_Conformance Management" color="#7E57C2" fillcolor="#EDE7F6" shape=document style=filled]
+	N1 [label="Metrology" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N2 [label="Service Quality Management" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N3 [label="Automated Optical Inspection" color="#FFEB3B" fillcolor="#FFF9C4" shape=document style=filled]
+	N4 [label="Pharmaceutical Quality Control" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N5 [label="Product Testing" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N6 [label="Quality Management Systems" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+	N7 [label="Calibration of Instruments" color="#7E57C2" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N8 [label="Quality Planning" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N0 -> N1 [color="#FFEB3B" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N1 -> N2 [color="#FFEB3B" penwidth=1.5 style=dashed label="corrective_actions_implements" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=dashed label="customer_satisfaction_ensures" dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N7 -> N8 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N5 -> N0 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_339.txt b/test/diagrams/graph_easy/diagrams_339.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10b28c10bd125525d8098b45407aef6d76c97f05
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_339.txt
@@ -0,0 +1,9 @@
+<Automated Optical Inspection, connectedTo, Pharmaceutical Quality Control>
+<Calibration of Instruments, connectedTo, Quality Planning>
+<Metrology, corrective_actions_implements, Service Quality Management>
+<Non_Conformance Management, verifies, Metrology>
+<Pharmaceutical Quality Control, connectedTo, Product Testing>
+<Product Testing, connectedTo, Non_Conformance Management>
+<Product Testing, customer_satisfaction_ensures, Quality Management Systems>
+<Quality Management Systems, collaborates, Calibration of Instruments>
+<Service Quality Management, connectedTo, Automated Optical Inspection>
diff --git a/test/diagrams/graph_easy/diagrams_34.txt b/test/diagrams/graph_easy/diagrams_34.txt
new file mode 100644
index 0000000000000000000000000000000000000000..43d337ba559de6b4190c6205f38ab743934b27e8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_34.txt
@@ -0,0 +1,9 @@
+<Activity Booking, assigns, Tourist Information Desk>
+<Event Reservation, documents, Photo Capture>
+<Hotel Check_in, entertains, Activity Booking>
+<Language Translation Service, connectedTo, Hotel Check_in>
+<Lost and Found Service, connectedTo, Event Reservation>
+<Loyalty Program Enrollment, assists, Cruise Ship Boarding>
+<Photo Capture, regulates, Language Translation Service>
+<Tourist Information Desk, connectedTo, Activity Booking>
+<Tourist Information Desk, connectedTo, Loyalty Program Enrollment>
diff --git a/test/diagrams/graph_easy/diagrams_340.dot b/test/diagrams/graph_easy/diagrams_340.dot
new file mode 100644
index 0000000000000000000000000000000000000000..34e95f1e700d13da2781457dfd3c513a7d3d5769
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_340.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Workflow Automation in ERP" color="#FFE69C" fillcolor="#FFF9D4" shape=multipledocuments style=filled]
+	N1 [label="Human Capital Management" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N2 [label="Post_Go_Live Support" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N3 [label="System Configuration" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N4 [label="Performance Optimization" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N5 [label="Module Implementation" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N6 [label="Business Process Re_engineering" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N7 [label="Testing ERP Modules" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N8 [label="User Access Management" color="#64B5F6" fillcolor="#E3F2FD" shape=predefinedprocess style=filled]
+	N9 [label="System Upgrade" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N1 -> N2 [color="#64B5F6" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N2 -> N3 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#64B5F6" penwidth=1.5 style=dashed label="dashboards_generates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFE69C" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N8 -> N9 [color="#A1D7CD" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N0 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N7 -> N6 [color="#000000" penwidth=1.5 style=solid label="customizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_340.txt b/test/diagrams/graph_easy/diagrams_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e122a43ea5778e904817ce3647ca08391a6c990a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_340.txt
@@ -0,0 +1,11 @@
+<Business Process Re_engineering, connectedTo, Testing ERP Modules>
+<Human Capital Management, reports, Post_Go_Live Support>
+<Module Implementation, connectedTo, Business Process Re_engineering>
+<Performance Optimization, connectedTo, Module Implementation>
+<Post_Go_Live Support, connectedTo, System Configuration>
+<System Configuration, dashboards_generates, Performance Optimization>
+<Testing ERP Modules, customizes, Business Process Re_engineering>
+<Testing ERP Modules, optimizes, User Access Management>
+<User Access Management, forecasts, System Upgrade>
+<Workflow Automation in ERP, automates, Module Implementation>
+<Workflow Automation in ERP, tracks, Human Capital Management>
diff --git a/test/diagrams/graph_easy/diagrams_341.dot b/test/diagrams/graph_easy/diagrams_341.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8207daf700c2433cca959bd5c63db14903477b04
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_341.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Performance Optimization" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N1 [label="Post_Go_Live Support" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N2 [label="Supply Chain Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N3 [label="Master Data Management" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N4 [label="Human Capital Management" color="#7E57C2" fillcolor="#EDE7F6" shape=document style=filled]
+	N5 [label="Financial Management" color="#FFDA4E" fillcolor="#FFE88D" shape=diamond style=filled]
+	N6 [label="Project Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N7 [label="ERP Consulting" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N8 [label="Module Implementation" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N9 [label="Workflow Automation in ERP" color="#7E57C2" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N10 [label="Customization" color="#7E57C2" fillcolor="#EDE7F6" shape=document style=filled]
+	N11 [label="Procurement Management" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N0 -> N1 [color="#FFDA4E" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=dashed label="upgrades" dir=forward]
+	N8 -> N9 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#A1D7CD" penwidth=1.5 style=solid label="cloud_deploys" dir=forward]
+	N10 -> N11 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N5 [color="#FFDA4E" penwidth=1.5 style=dashed label="data_centralizes" dir=forward]
+	N1 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_341.txt b/test/diagrams/graph_easy/diagrams_341.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e1cf41be251b5f9571f349c9f15a22e33330f35a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_341.txt
@@ -0,0 +1,13 @@
+<Customization, connectedTo, Procurement Management>
+<ERP Consulting, data_centralizes, Financial Management>
+<ERP Consulting, upgrades, Module Implementation>
+<Financial Management, integrates, Project Management>
+<Human Capital Management, connectedTo, Financial Management>
+<Master Data Management, connectedTo, Human Capital Management>
+<Module Implementation, connectedTo, Workflow Automation in ERP>
+<Performance Optimization, implements, Post_Go_Live Support>
+<Post_Go_Live Support, connectedTo, Supply Chain Management>
+<Post_Go_Live Support, connectedTo, Workflow Automation in ERP>
+<Project Management, controls, ERP Consulting>
+<Supply Chain Management, connectedTo, Master Data Management>
+<Workflow Automation in ERP, cloud_deploys, Customization>
diff --git a/test/diagrams/graph_easy/diagrams_342.dot b/test/diagrams/graph_easy/diagrams_342.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e6ea99adf5bed0d9ed2eb561e844764d66a0525
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_342.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="ERP Consulting" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N1 [label="Data Migration" color="#CDDC39" fillcolor="#E6EE9C" shape=rectangle style=filled]
+	N2 [label="Integration with Other Systems" color="#80DDEA" fillcolor="#D3F7F9" shape=vnode_shape style=filled]
+	N3 [label="Troubleshooting and Support" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N4 [label="Module Implementation" color="#C0CA33" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N5 [label="System Upgrade" color="#C0CA33" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N6 [label="Customer Relationship Management" color="#80DDEA" fillcolor="#D3F7F9" shape=database style=filled]
+	N7 [label="Cloud ERP Deployment" color="#80DDEA" fillcolor="#D3F7F9" shape=preparation style=filled]
+	N8 [label="Inventory Management" color="#80DDEA" fillcolor="#D3F7F9" shape=rect style=filled]
+	N9 [label="Customization" color="#C0CA33" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N10 [label="Mobile ERP Access" color="#C0CA33" fillcolor="#F9FBE7" shape=document style=filled]
+	N11 [label="Data Governance" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N0 -> N1 [color="#C0CA33" penwidth=1.5 style=solid label="migrates" dir=forward]
+	N1 -> N2 [color="#C0CA33" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=solid label="streamlines" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N6 -> N7 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#CDDC39" penwidth=1.5 style=dashed label="order_processes" dir=forward]
+	N10 -> N11 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N0 -> N5 [color="#80DDEA" penwidth=1.5 style=solid label="HR_manages" dir=forward]
+	N8 -> N5 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_342.txt b/test/diagrams/graph_easy/diagrams_342.txt
new file mode 100644
index 0000000000000000000000000000000000000000..90d0699aeee257229ccb1e0702bbdab0ab8a8b8f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_342.txt
@@ -0,0 +1,13 @@
+<Cloud ERP Deployment, connectedTo, Inventory Management>
+<Customer Relationship Management, connectedTo, Cloud ERP Deployment>
+<Customization, order_processes, Mobile ERP Access>
+<Data Migration, automates, Integration with Other Systems>
+<ERP Consulting, HR_manages, System Upgrade>
+<ERP Consulting, migrates, Data Migration>
+<Integration with Other Systems, streamlines, Troubleshooting and Support>
+<Inventory Management, connectedTo, Customization>
+<Inventory Management, connectedTo, System Upgrade>
+<Mobile ERP Access, connectedTo, Data Governance>
+<Module Implementation, connectedTo, System Upgrade>
+<System Upgrade, integrates, Customer Relationship Management>
+<Troubleshooting and Support, connectedTo, Module Implementation>
diff --git a/test/diagrams/graph_easy/diagrams_343.dot b/test/diagrams/graph_easy/diagrams_343.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2a517f5f00678fcdcc7679ba661480fab4f0a253
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_343.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Farm Management Software" color="#FFCC80" fillcolor="#FFF0CC" shape=predefinedprocess style=filled]
+	N1 [label="Drone Monitoring" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N2 [label="Carbon Farming Initiatives" color="#FFCC80" fillcolor="#FFF0CC" shape=predefinedprocess style=filled]
+	N3 [label="Herd Health Monitoring" color="#FF9800" fillcolor="#FFE0B2" shape=database style=filled]
+	N4 [label="Crop Insurance Assessment" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N5 [label="Big Data Analytics for Farms" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N6 [label="Digital Agronomy" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N7 [label="Crop Health Monitoring" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N8 [label="Vertical Farming Technology" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=solid label="sustainability_ensures" dir=forward]
+	N3 -> N4 [color="#C2B2F0" penwidth=1.5 style=solid label="automates" dir=forward]
+	N4 -> N5 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#C2B2F0" penwidth=1.5 style=dashed label="risk_manages" dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N1 -> N7 [color="#C2B2F0" penwidth=1.5 style=dashed label="waste_reduces" dir=forward]
+	N2 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_343.txt b/test/diagrams/graph_easy/diagrams_343.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21618d0b8e18861ba8354ee1a4ad4d6a7e437a26
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_343.txt
@@ -0,0 +1,10 @@
+<Big Data Analytics for Farms, connectedTo, Digital Agronomy>
+<Carbon Farming Initiatives, connectedTo, Crop Health Monitoring>
+<Carbon Farming Initiatives, sustainability_ensures, Herd Health Monitoring>
+<Crop Health Monitoring, monitors, Vertical Farming Technology>
+<Crop Insurance Assessment, connectedTo, Big Data Analytics for Farms>
+<Digital Agronomy, risk_manages, Crop Health Monitoring>
+<Drone Monitoring, connectedTo, Carbon Farming Initiatives>
+<Drone Monitoring, waste_reduces, Crop Health Monitoring>
+<Farm Management Software, connectedTo, Drone Monitoring>
+<Herd Health Monitoring, automates, Crop Insurance Assessment>
diff --git a/test/diagrams/graph_easy/diagrams_344.dot b/test/diagrams/graph_easy/diagrams_344.dot
new file mode 100644
index 0000000000000000000000000000000000000000..57ce8e6cd18c84235dba950873065c00a06f1a29
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_344.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Satellite Imaging" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N1 [label="Weather Station Data Integration" color="#FFE470" fillcolor="#FFFAE0" shape=rectangle style=filled]
+	N2 [label="Smart Greenhouses" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N3 [label="Geographic Information Systems for Farms" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N4 [label="Variable Rate Application" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N5 [label="Precision Farming" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N6 [label="Resource Optimization" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N7 [label="Sensor Deployment" color="#BCB88A" fillcolor="#F5F5DC" shape=rectangle style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid label="satellites_leverages" dir=forward]
+	N1 -> N2 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=solid label="automates" dir=forward]
+	N4 -> N5 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N3 -> N0 [color="#000000" penwidth=1.5 style=dashed label="feeds" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_344.txt b/test/diagrams/graph_easy/diagrams_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e29845a02ef3e666c2b5238934aae3a6c7bd56e0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_344.txt
@@ -0,0 +1,8 @@
+<Geographic Information Systems for Farms, automates, Variable Rate Application>
+<Geographic Information Systems for Farms, feeds, Satellite Imaging>
+<Precision Farming, connectedTo, Resource Optimization>
+<Resource Optimization, connectedTo, Sensor Deployment>
+<Satellite Imaging, satellites_leverages, Weather Station Data Integration>
+<Smart Greenhouses, reports, Geographic Information Systems for Farms>
+<Variable Rate Application, connectedTo, Precision Farming>
+<Weather Station Data Integration, connectedTo, Smart Greenhouses>
diff --git a/test/diagrams/graph_easy/diagrams_345.dot b/test/diagrams/graph_easy/diagrams_345.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1805414ed378356141a27eb5376a553b1f5ca5be
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_345.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Blockchain for Agri_Supply Chain" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N1 [label="Crop Insurance Assessment" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+	N2 [label="Smart Greenhouses" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N3 [label="IoT in Agriculture" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N4 [label="Vertical Farming Technology" color="#E57373" fillcolor="#FFEBEE" shape=rect style=filled]
+	N5 [label="Pest and Disease Management Systems" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N6 [label="Aquaculture Monitoring" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+	N7 [label="Satellite Imaging" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N8 [label="Geographic Information Systems for Farms" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+	N9 [label="Digital Soil Mapping" color="#E57373" fillcolor="#FFEBEE" shape=multipledocuments style=filled]
+	N10 [label="Smart Livestock Monitoring" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#82DAFF" penwidth=1.5 style=solid label="tracks_equipment" dir=forward]
+	N3 -> N4 [color="#E57373" penwidth=1.5 style=dashed label="waters" dir=forward]
+	N4 -> N5 [color="#6EB76D" penwidth=1.5 style=solid label="feeds" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="manages_irrigation" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="drones_uses" dir=forward]
+	N7 -> N8 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#82DAFF" penwidth=1.5 style=solid label="predicts" dir=forward]
+	N9 -> N10 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N5 -> N3 [color="#6EB76D" penwidth=1.5 style=dashed label="decision_supports" dir=forward]
+	N2 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_345.txt b/test/diagrams/graph_easy/diagrams_345.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b9185689e82affbf8fdef7a73d7caff59a3ee026
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_345.txt
@@ -0,0 +1,12 @@
+<Aquaculture Monitoring, drones_uses, Satellite Imaging>
+<Blockchain for Agri_Supply Chain, connectedTo, Crop Insurance Assessment>
+<Crop Insurance Assessment, connectedTo, Smart Greenhouses>
+<Digital Soil Mapping, connectedTo, Smart Livestock Monitoring>
+<Geographic Information Systems for Farms, predicts, Digital Soil Mapping>
+<IoT in Agriculture, waters, Vertical Farming Technology>
+<Pest and Disease Management Systems, decision_supports, IoT in Agriculture>
+<Pest and Disease Management Systems, manages_irrigation, Aquaculture Monitoring>
+<Satellite Imaging, connectedTo, Geographic Information Systems for Farms>
+<Smart Greenhouses, connectedTo, Digital Soil Mapping>
+<Smart Greenhouses, tracks_equipment, IoT in Agriculture>
+<Vertical Farming Technology, feeds, Pest and Disease Management Systems>
diff --git a/test/diagrams/graph_easy/diagrams_346.dot b/test/diagrams/graph_easy/diagrams_346.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9e21419074748c683b0926f03fa34a81a6893309
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_346.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Audience Engagement" color="#4DB6AC" fillcolor="#E0F2F1" shape=rect style=filled]
+	N1 [label="Ticketing Sales" color="#4DB6AC" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N2 [label="Mental Health Support for Players" color="#80DDEA" fillcolor="#D3F7F9" shape=multipledocuments style=filled]
+	N3 [label="Data Security for Competitions" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N4 [label="Coaching Staff Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N5 [label="Player Scouting" color="#4DB6AC" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N6 [label="Sponsorship Acquisition" color="#80DDEA" fillcolor="#D3F7F9" shape=document style=filled]
+	N7 [label="Venue Setup" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="salaries_manages" dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DB6AC" penwidth=1.5 style=dashed label="legal_assists" dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N2 [color="#000000" penwidth=1.5 style=solid label="tournaments_hosts" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_346.txt b/test/diagrams/graph_easy/diagrams_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c2707217da92383118b244312a7d7f55cc4fe8ed
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_346.txt
@@ -0,0 +1,8 @@
+<Audience Engagement, connectedTo, Ticketing Sales>
+<Audience Engagement, tournaments_hosts, Mental Health Support for Players>
+<Coaching Staff Management, legal_assists, Player Scouting>
+<Data Security for Competitions, connectedTo, Coaching Staff Management>
+<Mental Health Support for Players, manages, Data Security for Competitions>
+<Player Scouting, connectedTo, Sponsorship Acquisition>
+<Sponsorship Acquisition, connectedTo, Venue Setup>
+<Ticketing Sales, salaries_manages, Mental Health Support for Players>
diff --git a/test/diagrams/graph_easy/diagrams_347.dot b/test/diagrams/graph_easy/diagrams_347.dot
new file mode 100644
index 0000000000000000000000000000000000000000..198fa380c93993a2161d175969a77e05af59bf94
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_347.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Fan Community Building" color="#DCE775" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N1 [label="Ticketing Sales" color="#5C6BC0" fillcolor="#E8EAF6" shape=database style=filled]
+	N2 [label="Sponsorship Acquisition" color="#DCE775" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N3 [label="Event Broadcasting" color="#5C6BC0" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N4 [label="Esports Team Ownership" color="#5C6BC0" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N5 [label="Media Rights Negotiation" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N6 [label="Content Creation" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N7 [label="Prize Pool Management" color="#F44336" fillcolor="#FFCDD2" shape=rectangle style=filled]
+	N0 -> N1 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="contracts" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="salaries_manages" dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#5C6BC0" penwidth=1.5 style=dashed label="media_handles" dir=forward]
+	N4 -> N0 [color="#DCE775" penwidth=1.5 style=dashed label="coaches" dir=forward]
+	N2 -> N1 [color="#5C6BC0" penwidth=1.5 style=solid label="licenses" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_347.txt b/test/diagrams/graph_easy/diagrams_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cef5e782b3a0f5c4088be438df24b2eb1ae39bc3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_347.txt
@@ -0,0 +1,9 @@
+<Content Creation, media_handles, Prize Pool Management>
+<Esports Team Ownership, coaches, Fan Community Building>
+<Esports Team Ownership, connectedTo, Media Rights Negotiation>
+<Event Broadcasting, connectedTo, Esports Team Ownership>
+<Fan Community Building, connectedTo, Ticketing Sales>
+<Media Rights Negotiation, connectedTo, Content Creation>
+<Sponsorship Acquisition, licenses, Ticketing Sales>
+<Sponsorship Acquisition, salaries_manages, Event Broadcasting>
+<Ticketing Sales, contracts, Sponsorship Acquisition>
diff --git a/test/diagrams/graph_easy/diagrams_348.txt b/test/diagrams/graph_easy/diagrams_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b035b3b161a5e6ab13f04433b86584e6af286396
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_348.txt
@@ -0,0 +1,13 @@
+<Anti_Cheat Measures, connectedTo, Media Rights Negotiation>
+<Content Creation, performance_optimizes, Venue Setup>
+<Esports Team Ownership, connectedTo, League Management>
+<Event Broadcasting, salaries_manages, Esports Team Ownership>
+<Gaming Hardware Optimization, connectedTo, Content Creation>
+<League Management, connectedTo, Anti_Cheat Measures>
+<Media Rights Negotiation, connectedTo, Performance Analysis>
+<Nutrition for Esports Athletes, connectedTo, Performance Analysis>
+<Performance Analysis, connectedTo, Player Wellness Programs>
+<Player Wellness Programs, competes, Team Management>
+<Player Wellness Programs, integrity_ensures, Media Rights Negotiation>
+<Team Management, content_produces, Gaming Hardware Optimization>
+<Venue Setup, tickets_sells, Nutrition for Esports Athletes>
diff --git a/test/diagrams/graph_easy/diagrams_349.dot b/test/diagrams/graph_easy/diagrams_349.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b719d364a6f8b519b637420b45295418a64410e3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_349.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Neural Network Analysis" color="#388E3C" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N1 [label="Transcranial Magnetic Stimulation" color="#8C9EFF" fillcolor="#D3D7EB" shape=document style=filled]
+	N2 [label="Brain_Computer Interface" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N3 [label="Brain Mapping" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N4 [label="Aging Brain Research" color="#8C9EFF" fillcolor="#D3D7EB" shape=preparation style=filled]
+	N5 [label="Neuroethics" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N6 [label="Gene Therapy for Neurological Disorders" color="#FF5722" fillcolor="#FFCCBC" shape=multipledocuments style=filled]
+	N7 [label="Drug Development for Brain Disorders" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N8 [label="Neurotransmitter Research" color="#8C9EFF" fillcolor="#D3D7EB" shape=preparation style=filled]
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="privacy_protects" dir=forward]
+	N4 -> N5 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="complies" dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF5722" penwidth=1.5 style=solid label="researches" dir=forward]
+	N5 -> N7 [color="#8C9EFF" penwidth=1.5 style=solid label="applies" dir=forward]
+	N3 -> N6 [color="#8C9EFF" penwidth=1.5 style=dashed label="maps" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_349.txt b/test/diagrams/graph_easy/diagrams_349.txt
new file mode 100644
index 0000000000000000000000000000000000000000..725054534a96b4ce77bde6c7da14e5acf4a9a184
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_349.txt
@@ -0,0 +1,10 @@
+<Aging Brain Research, connectedTo, Neuroethics>
+<Brain Mapping, maps, Gene Therapy for Neurological Disorders>
+<Brain Mapping, privacy_protects, Aging Brain Research>
+<Brain_Computer Interface, connectedTo, Brain Mapping>
+<Drug Development for Brain Disorders, researches, Neurotransmitter Research>
+<Gene Therapy for Neurological Disorders, connectedTo, Drug Development for Brain Disorders>
+<Neural Network Analysis, connectedTo, Transcranial Magnetic Stimulation>
+<Neuroethics, applies, Drug Development for Brain Disorders>
+<Neuroethics, complies, Gene Therapy for Neurological Disorders>
+<Transcranial Magnetic Stimulation, connectedTo, Brain_Computer Interface>
diff --git a/test/diagrams/graph_easy/diagrams_35.dot b/test/diagrams/graph_easy/diagrams_35.dot
new file mode 100644
index 0000000000000000000000000000000000000000..feab76019a998d891eef0aa7cbc1d7935ea5ad75
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_35.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Language Translation Service" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N1 [label="Baggage Handling" color="#FFEB3B" fillcolor="#FFF9C4" shape=multipledocuments style=filled]
+	N2 [label="Return Trip" color="#9C27B0" fillcolor="#E1BEE7" shape=multipledocuments style=filled]
+	N3 [label="Feedback Collection" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+	N4 [label="Travel Advisory Updates" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N5 [label="Itinerary Planning" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N6 [label="Custom Tour Package Creation" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N7 [label="Rental Car Pickup" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N8 [label="Currency Exchange" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N9 [label="Cultural Immersion Program" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N10 [label="Local Transport" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="discovers" dir=forward]
+	N2 -> N3 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFEB3B" penwidth=1.5 style=dashed label="applies" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="recommends" dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=solid label="automates" dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=dashed label="documents" dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N8 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_35.txt b/test/diagrams/graph_easy/diagrams_35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..240805948705df08e3271ac822da5394570aa566
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_35.txt
@@ -0,0 +1,12 @@
+<Baggage Handling, discovers, Return Trip>
+<Cultural Immersion Program, connectedTo, Local Transport>
+<Currency Exchange, connectedTo, Cultural Immersion Program>
+<Custom Tour Package Creation, documents, Rental Car Pickup>
+<Feedback Collection, applies, Travel Advisory Updates>
+<Itinerary Planning, automates, Custom Tour Package Creation>
+<Language Translation Service, connectedTo, Baggage Handling>
+<Language Translation Service, connectedTo, Itinerary Planning>
+<Rental Car Pickup, connectedTo, Currency Exchange>
+<Return Trip, connectedTo, Feedback Collection>
+<Travel Advisory Updates, connectedTo, Currency Exchange>
+<Travel Advisory Updates, recommends, Itinerary Planning>
diff --git a/test/diagrams/graph_easy/diagrams_350.dot b/test/diagrams/graph_easy/diagrams_350.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b6fc9ebefa8507016fcf32584ef122cc7c85f1c1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_350.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Aging Brain Research" color="#A188DB" fillcolor="#DED7F0" shape=database style=filled]
+	N1 [label="Cognitive Neuroscience" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N2 [label="Connectomics" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N3 [label="Genetic Basis of Brain Disorders" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N4 [label="Neurofeedback Therapy" color="#BDAFA8" fillcolor="#E4E0DF" shape=rectangle style=filled]
+	N5 [label="Consciousness Studies" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N6 [label="Learning Mechanisms Study" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N7 [label="Deep Brain Stimulation" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N8 [label="Computational Neuroscience" color="#A188DB" fillcolor="#DED7F0" shape=database style=filled]
+	N0 -> N1 [color="#A188DB" penwidth=1.5 style=dashed label="maps" dir=forward]
+	N1 -> N2 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="stimulates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="ethical_considers" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N5 -> N6 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed label="data_collects" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N5 [color="#000000" penwidth=1.5 style=dashed label="algorithms_develops" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_350.txt b/test/diagrams/graph_easy/diagrams_350.txt
new file mode 100644
index 0000000000000000000000000000000000000000..56b8ae4c84f92b0a70cfa120258b8b9601c3c8bc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_350.txt
@@ -0,0 +1,9 @@
+<Aging Brain Research, maps, Cognitive Neuroscience>
+<Cognitive Neuroscience, connectedTo, Connectomics>
+<Connectomics, algorithms_develops, Consciousness Studies>
+<Connectomics, stimulates, Genetic Basis of Brain Disorders>
+<Consciousness Studies, connectedTo, Learning Mechanisms Study>
+<Deep Brain Stimulation, connectedTo, Computational Neuroscience>
+<Genetic Basis of Brain Disorders, ethical_considers, Neurofeedback Therapy>
+<Learning Mechanisms Study, data_collects, Deep Brain Stimulation>
+<Neurofeedback Therapy, complies, Consciousness Studies>
diff --git a/test/diagrams/graph_easy/diagrams_351.dot b/test/diagrams/graph_easy/diagrams_351.dot
new file mode 100644
index 0000000000000000000000000000000000000000..19dbe4b92e5bde00496881936cd1b58de7759e52
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_351.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Molecular Neuroscience" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N1 [label="Motor Control Research" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N2 [label="Sensory Perception Research" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N3 [label="Sleep Research" color="#607D8B" fillcolor="#CFD8DC" shape=action style=filled]
+	N4 [label="Systems Neuroscience" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N5 [label="Genetic Basis of Brain Disorders" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N6 [label="Connectomics" color="#FFDA4E" fillcolor="#FFE88D" shape=diamond style=filled]
+	N7 [label="Neural Network Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N8 [label="Computational Neuroscience" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N0 -> N1 [color="#66BB6A" penwidth=1.5 style=solid label="therapies_develops" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="treats_disorders" dir=forward]
+	N2 -> N3 [color="#607D8B" penwidth=1.5 style=dashed label="funds_raises" dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=solid label="maps" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#66BB6A" penwidth=1.5 style=dashed label="drugs_tests" dir=forward]
+	N5 -> N3 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_352.dot b/test/diagrams/graph_easy/diagrams_352.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8b4b8da8d91593f3fdb84d1bd3af9d863050ebad
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_352.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Risk Assessment for Heritage" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N1 [label="Repatriation of Artifacts" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N2 [label="Legal Protection for Heritage" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N3 [label="3D Scanning of Artifacts" color="#C0CA33" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N4 [label="Disaster Preparedness for Heritage" color="#C0CA33" fillcolor="#F9FBE7" shape=rect style=filled]
+	N5 [label="World Heritage Site Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N6 [label="Crowdsourcing for Heritage Data" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N7 [label="Site Preservation" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=solid label="data_collects" dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=solid label="engages" dir=forward]
+	N2 -> N3 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#C0CA33" penwidth=1.5 style=solid label="conserves" dir=forward]
+	N4 -> N5 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="AR or VR_uses" dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N4 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_352.txt b/test/diagrams/graph_easy/diagrams_352.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c60930c06b2b29378564cc805e8b7165bc7a1279
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_352.txt
@@ -0,0 +1,9 @@
+<3D Scanning of Artifacts, conserves, Disaster Preparedness for Heritage>
+<Crowdsourcing for Heritage Data, connectedTo, Disaster Preparedness for Heritage>
+<Crowdsourcing for Heritage Data, connectedTo, Site Preservation>
+<Disaster Preparedness for Heritage, connectedTo, World Heritage Site Management>
+<Legal Protection for Heritage, connectedTo, 3D Scanning of Artifacts>
+<Repatriation of Artifacts, engages, Legal Protection for Heritage>
+<Risk Assessment for Heritage, data_collects, Repatriation of Artifacts>
+<Site Preservation, connectedTo, Legal Protection for Heritage>
+<World Heritage Site Management, AR or VR_uses, Crowdsourcing for Heritage Data>
diff --git a/test/diagrams/graph_easy/diagrams_353.txt b/test/diagrams/graph_easy/diagrams_353.txt
new file mode 100644
index 0000000000000000000000000000000000000000..876cb76a24746c8342c0092fa505c4ae05362ea9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_353.txt
@@ -0,0 +1,12 @@
+<3D Scanning of Artifacts, audits, Oral History Collection>
+<Archival Management, exhibits, Illicit Trafficking Control>
+<Crowdsourcing for Heritage Data, connectedTo, Virtual Reality Recreations>
+<Dating Techniques, connectedTo, Sustainable Heritage Management>
+<Illicit Trafficking Control, connectedTo, Museum Collection Management>
+<Illicit Trafficking Control, promotes, Site Preservation>
+<Museum Collection Management, 3D_scans, Archival Management>
+<Oral History Collection, archives, Museum Collection Management>
+<Restoration Techniques, displays, 3D Scanning of Artifacts>
+<Site Preservation, knowledge_transfers, Dating Techniques>
+<Sustainable Heritage Management, connectedTo, Dating Techniques>
+<Virtual Reality Recreations, connectedTo, Restoration Techniques>
diff --git a/test/diagrams/graph_easy/diagrams_354.dot b/test/diagrams/graph_easy/diagrams_354.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ee981629fb3cb0c9ca98208ff8d9b571c1182601
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_354.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Repatriation of Artifacts" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N1 [label="Traditional Knowledge Documentation" color="#FF9800" fillcolor="#FFE0B2" shape=multipledocuments style=filled]
+	N2 [label="Public Education Programs" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N3 [label="World Heritage Site Management" color="#FF9800" fillcolor="#FFE0B2" shape=inputoutput style=filled]
+	N4 [label="Museum Collection Management" color="#FF9800" fillcolor="#FFE0B2" shape=action style=filled]
+	N5 [label="Heritage Site Management" color="#FF9800" fillcolor="#FFE0B2" shape=vnode_shape style=filled]
+	N6 [label="Oral History Collection" color="#61CAC3" fillcolor="#C2E8E6" shape=document style=filled]
+	N7 [label="Legal Protection for Heritage" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	N8 [label="Indigenous Cultural Heritage Rights" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+	N9 [label="Underwater Cultural Heritage" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFA726" penwidth=1.5 style=solid label="documents" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="preserves" dir=forward]
+	N5 -> N6 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#61CAC3" penwidth=1.5 style=solid label="laws_enforces" dir=forward]
+	N7 -> N8 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFA726" penwidth=1.5 style=dashed label="digital_reconstructs" dir=forward]
+	N1 -> N8 [color="#FFA726" penwidth=1.5 style=dashed label="interprets" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_354.txt b/test/diagrams/graph_easy/diagrams_354.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3922dad2f04d3f0293f91a735c86a700648d7be
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_354.txt
@@ -0,0 +1,10 @@
+<Heritage Site Management, connectedTo, Oral History Collection>
+<Indigenous Cultural Heritage Rights, digital_reconstructs, Underwater Cultural Heritage>
+<Legal Protection for Heritage, connectedTo, Indigenous Cultural Heritage Rights>
+<Museum Collection Management, preserves, Heritage Site Management>
+<Oral History Collection, laws_enforces, Legal Protection for Heritage>
+<Public Education Programs, documents, World Heritage Site Management>
+<Repatriation of Artifacts, connectedTo, Traditional Knowledge Documentation>
+<Traditional Knowledge Documentation, connectedTo, Public Education Programs>
+<Traditional Knowledge Documentation, interprets, Indigenous Cultural Heritage Rights>
+<World Heritage Site Management, connectedTo, Museum Collection Management>
diff --git a/test/diagrams/graph_easy/diagrams_355.dot b/test/diagrams/graph_easy/diagrams_355.dot
new file mode 100644
index 0000000000000000000000000000000000000000..781b09acafa192e8225ecc0c0f41fcb3e9174bde
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_355.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Biosecurity Protocols" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N1 [label="Cell_Free Systems" color="#388E3C" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N2 [label="Public Engagement" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N3 [label="Gene Synthesis Platforms" color="#64B5F6" fillcolor="#E3F2FD" shape=action style=filled]
+	N4 [label="DNA Storage Technologies" color="#D2D2D2" fillcolor="#F0F0F0" shape=action style=filled]
+	N5 [label="Microbial Factories" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N6 [label="Cellular Reprogramming" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N7 [label="Synthetic Gene Networks" color="#388E3C" fillcolor="#F1F8E9" shape=database style=filled]
+	N8 [label="Artificial Cells" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+	N9 [label="Sustainable Chemical Production" color="#D2D2D2" fillcolor="#F0F0F0" shape=preparation style=filled]
+	N10 [label="Bioremediation Applications" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N11 [label="Bio_manufacturing" color="#D2D2D2" fillcolor="#F0F0F0" shape=rectangle style=filled]
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+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N2 -> N3 [color="#D2D2D2" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="security_manages" dir=forward]
+	N4 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed label="builds" dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=dashed label="engineers" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=solid label="tests" dir=forward]
+	N8 -> N9 [color="#64B5F6" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N9 -> N10 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N10 -> N9 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N1 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_355.txt b/test/diagrams/graph_easy/diagrams_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6ad04202ae27e6314772c28aad797a2e20bb5bc5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_355.txt
@@ -0,0 +1,13 @@
+<Artificial Cells, publishes, Sustainable Chemical Production>
+<Bioremediation Applications, connectedTo, Bio_manufacturing>
+<Bioremediation Applications, connectedTo, Sustainable Chemical Production>
+<Biosecurity Protocols, diagnostics_creates, Cell_Free Systems>
+<Cell_Free Systems, collaborates, Public Engagement>
+<Cellular Reprogramming, connectedTo, Synthetic Gene Networks>
+<DNA Storage Technologies, builds, Microbial Factories>
+<Gene Synthesis Platforms, security_manages, DNA Storage Technologies>
+<Microbial Factories, connectedTo, Cell_Free Systems>
+<Microbial Factories, engineers, Cellular Reprogramming>
+<Public Engagement, optimizes, Gene Synthesis Platforms>
+<Sustainable Chemical Production, connectedTo, Bioremediation Applications>
+<Synthetic Gene Networks, tests, Artificial Cells>
diff --git a/test/diagrams/graph_easy/diagrams_356.dot b/test/diagrams/graph_easy/diagrams_356.dot
new file mode 100644
index 0000000000000000000000000000000000000000..29bbf8b691a97e25bd024e566071041d09b1a752
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_356.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="DNA Storage Technologies" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N1 [label="Modular Biology Design" color="#FFF176" fillcolor="#FFFDE7" shape=rect style=filled]
+	N2 [label="Cellular Reprogramming" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N3 [label="Bioremediation Applications" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N4 [label="Artificial Cells" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N5 [label="Synthetic Organism Design" color="#8C9EFF" fillcolor="#D3D7EB" shape=document style=filled]
+	N6 [label="Genome Engineering" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N7 [label="Bio_manufacturing" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="security_manages" dir=forward]
+	N1 -> N2 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=dashed label="fuels_generates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="patents" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N2 -> N0 [color="#000000" penwidth=1.5 style=dashed label="modifies" dir=forward]
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\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_356.txt b/test/diagrams/graph_easy/diagrams_356.txt
new file mode 100644
index 0000000000000000000000000000000000000000..46d2a9e69ff41afe6c687a3b43e5e0d3c729c979
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_356.txt
@@ -0,0 +1,8 @@
+<Artificial Cells, fuels_generates, Synthetic Organism Design>
+<Bioremediation Applications, connectedTo, Artificial Cells>
+<Cellular Reprogramming, connectedTo, Bioremediation Applications>
+<Cellular Reprogramming, modifies, DNA Storage Technologies>
+<DNA Storage Technologies, security_manages, Modular Biology Design>
+<Genome Engineering, designs, Bio_manufacturing>
+<Modular Biology Design, connectedTo, Cellular Reprogramming>
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diff --git a/test/diagrams/graph_easy/diagrams_357.txt b/test/diagrams/graph_easy/diagrams_357.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dea43d6f80ad55a392a24b6723fd2c1cd22f0a7c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_357.txt
@@ -0,0 +1,10 @@
+<Artificial Cells, safety_ensures, Synthetic Organism Design>
+<Biofoundry Operations, pathways_constructs, Synthetic Gene Networks>
+<Biosensor Development, DNA_sequences, Public Engagement>
+<CRISPR_Cas System Optimization, ethical_considers, Biofoundry Operations>
+<Microbial Factories, purifies, Artificial Cells>
+<Risk Assessment, connectedTo, Biofoundry Operations>
+<Risk Assessment, connectedTo, CRISPR_Cas System Optimization>
+<Synthetic Gene Networks, data_processes, Biosensor Development>
+<Synthetic Organism Design, connectedTo, Vaccine Synthesis>
+<Vaccine Synthesis, connectedTo, Risk Assessment>
diff --git a/test/diagrams/graph_easy/diagrams_358.txt b/test/diagrams/graph_easy/diagrams_358.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6deaa0faa283c58c70805ec9d57365dbd86b6d5d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_358.txt
@@ -0,0 +1,13 @@
+<AI in Education, connectedTo, Formative Assessment Tools>
+<Augmented Reality in Education, connectedTo, Open Educational Resources>
+<Competency_Based Learning Platforms, implements, Virtual Reality in Education>
+<EdTech Hardware Solutions, connectedTo, Educational Data Mining>
+<Educational Apps Development, connectedTo, EdTech Hardware Solutions>
+<Educational Apps Development, teachers_trains, Open Educational Resources>
+<Educational Data Mining, connectedTo, Social_Emotional Learning Tools>
+<Formative Assessment Tools, markets, Competency_Based Learning Platforms>
+<Open Educational Resources, students_supports, Teacher Training Platforms>
+<Professional Development for Educators, analyzes, AI in Education>
+<Teacher Training Platforms, connectedTo, Professional Development for Educators>
+<Virtual Reality in Education, connectedTo, Educational Apps Development>
+<Virtual Reality in Education, connectedTo, Teacher Training Platforms>
diff --git a/test/diagrams/graph_easy/diagrams_359.dot b/test/diagrams/graph_easy/diagrams_359.dot
new file mode 100644
index 0000000000000000000000000000000000000000..73fd461ab99717fb30e3b43db93a0fd731dd45f4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_359.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
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+	N1 [label="Learning Design Principles" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N2 [label="Open Educational Resources" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N3 [label="Massive Open Online Courses" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
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+	N5 [label="Cybersecurity for EdTech" color="#4DB6AC" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
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+	N9 [label="Parent Engagement Tools" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
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+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4DB6AC" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="learning_gamifies" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=dashed label="accessibility_ensures" dir=forward]
+	N6 -> N7 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N9 [color="#000000" penwidth=1.5 style=dashed label="sells" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_359.txt b/test/diagrams/graph_easy/diagrams_359.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5fadaf206d662d2cabd49d91177ab48db0744611
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_359.txt
@@ -0,0 +1,10 @@
+<Accessibility in EdTech, learning_gamifies, Cybersecurity for EdTech>
+<Collaborative Learning Platforms, connectedTo, Online Tutoring Platforms>
+<Cybersecurity for EdTech, accessibility_ensures, E_Learning Platform Design>
+<E_Learning Platform Design, connectedTo, Collaborative Learning Platforms>
+<Learning Design Principles, connectedTo, Open Educational Resources>
+<Massive Open Online Courses, connectedTo, Accessibility in EdTech>
+<Online Tutoring Platforms, connectedTo, Parent Engagement Tools>
+<Open Educational Resources, licenses, Massive Open Online Courses>
+<Open Educational Resources, sells, Parent Engagement Tools>
+<Simulations for Learning, complies, Learning Design Principles>
diff --git a/test/diagrams/graph_easy/diagrams_36.dot b/test/diagrams/graph_easy/diagrams_36.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cdba5352053e4d37f6d1e28e30eeb0cb4fba8b69
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_36.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Event Reservation" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N1 [label="Feedback Collection" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N2 [label="Visa Application" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N3 [label="Tour Guide Assignment" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N4 [label="Spa Appointment" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N5 [label="Duty_Free Shopping" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N6 [label="Travel Advisory Updates" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N7 [label="Travel Blog Creation" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N8 [label="Group Tour Coordination" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="explores" dir=forward]
+	N2 -> N3 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#6EB76D" penwidth=1.5 style=dashed label="sustains" dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="sells" dir=forward]
+	N7 -> N8 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N7 -> N1 [color="#F7BEE0" penwidth=1.5 style=dashed label="protects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_36.txt b/test/diagrams/graph_easy/diagrams_36.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a7ca958185058cf2940cf023ad1609cc1239b9a5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_36.txt
@@ -0,0 +1,9 @@
+<Duty_Free Shopping, connectedTo, Travel Advisory Updates>
+<Event Reservation, connectedTo, Feedback Collection>
+<Feedback Collection, explores, Visa Application>
+<Spa Appointment, sustains, Duty_Free Shopping>
+<Tour Guide Assignment, connectedTo, Spa Appointment>
+<Travel Advisory Updates, sells, Travel Blog Creation>
+<Travel Blog Creation, connectedTo, Group Tour Coordination>
+<Travel Blog Creation, protects, Feedback Collection>
+<Visa Application, connectedTo, Tour Guide Assignment>
diff --git a/test/diagrams/graph_easy/diagrams_360.dot b/test/diagrams/graph_easy/diagrams_360.dot
new file mode 100644
index 0000000000000000000000000000000000000000..88e40713bc412fa0e179a81acbe90e004f023dfc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_360.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Collaborative Learning Platforms" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N1 [label="Formative Assessment Tools" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N2 [label="Assessment Tools" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+	N3 [label="Simulations for Learning" color="#4DD0E1" fillcolor="#C9F0F0" shape=diamond style=filled]
+	N4 [label="Machine Learning for Learning Analytics" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N5 [label="Educational Robotics" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N6 [label="Parent Engagement Tools" color="#7E57C2" fillcolor="#D1C4E9" shape=action style=filled]
+	N7 [label="Digital Textbooks" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N8 [label="Badging and Certification Systems" color="#FBC02D" fillcolor="#FFFDE7" shape=database style=filled]
+	N9 [label="Professional Development for Educators" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+	N10 [label="Remote Learning Solutions" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N11 [label="Learning Management System Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#4DD0E1" penwidth=1.5 style=dashed label="content_generates" dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid label="complies" dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N3 -> N4 [color="#4DD0E1" penwidth=1.5 style=solid label="students_supports" dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=solid label="outcomes_improves" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#7E57C2" penwidth=1.5 style=solid label="learning_gamifies" dir=forward]
+	N8 -> N9 [color="#7E57C2" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N10 -> N11 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N10 [color="#FBC02D" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N8 -> N0 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_360.txt b/test/diagrams/graph_easy/diagrams_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..456493d25e99396a68673d271241b82882a645cb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_360.txt
@@ -0,0 +1,13 @@
+<Assessment Tools, integrates, Simulations for Learning>
+<Badging and Certification Systems, connectedTo, Collaborative Learning Platforms>
+<Badging and Certification Systems, simulates, Professional Development for Educators>
+<Collaborative Learning Platforms, content_generates, Formative Assessment Tools>
+<Digital Textbooks, learning_gamifies, Badging and Certification Systems>
+<Digital Textbooks, publishes, Remote Learning Solutions>
+<Educational Robotics, connectedTo, Parent Engagement Tools>
+<Formative Assessment Tools, complies, Assessment Tools>
+<Machine Learning for Learning Analytics, outcomes_improves, Educational Robotics>
+<Parent Engagement Tools, connectedTo, Digital Textbooks>
+<Professional Development for Educators, manages, Remote Learning Solutions>
+<Remote Learning Solutions, connectedTo, Learning Management System Development>
+<Simulations for Learning, students_supports, Machine Learning for Learning Analytics>
diff --git a/test/diagrams/graph_easy/diagrams_38.dot b/test/diagrams/graph_easy/diagrams_38.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f36540df9058e2b3e093c002030e7e2144f9ecd1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_38.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Site Visit Scheduling" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Brokerage License Renewal" color="#B0C5CD" fillcolor="#DFE7EB" shape=multipledocuments style=filled]
+	N2 [label="Offer Submission" color="#FFF8A6" fillcolor="#FFFDE0" shape=vnode_shape style=filled]
+	N3 [label="Tax Assessment" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N4 [label="Maintenance Request" color="#B0C5CD" fillcolor="#DFE7EB" shape=database style=filled]
+	N5 [label="Tenant Screening" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N6 [label="Agent Assignment" color="#FFF8A6" fillcolor="#FFFDE0" shape=preparation style=filled]
+	N7 [label="Lease Renewal" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N0 -> N1 [color="#4285F4" penwidth=1.5 style=dashed label="lists" dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="surveys" dir=forward]
+	N3 -> N4 [color="#FFF8A6" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N4 -> N5 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="rents" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="buys" dir=forward]
+	N4 -> N3 [color="#B0C5CD" penwidth=1.5 style=dashed label="sells" dir=forward]
+	N6 -> N0 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_39.dot b/test/diagrams/graph_easy/diagrams_39.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4b1e76f3305a6732a760c5591507959a60e14a67
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_39.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Title Check" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N1 [label="Tax Assessment" color="#FFC2C2" fillcolor="#FFEBEB" shape=predefinedprocess style=filled]
+	N2 [label="HOA Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N3 [label="Brokerage License Renewal" color="#FFC2C2" fillcolor="#FFEBEB" shape=preparation style=filled]
+	N4 [label="Property Appraisal" color="#FFC2C2" fillcolor="#FFEBEB" shape=rectangle style=filled]
+	N5 [label="Agent Assignment" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N6 [label="Document Signing" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N7 [label="Virtual Tour Creation" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N8 [label="Property Valuation" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N9 [label="Renovation Planning" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N10 [label="Building Permit Application" color="#7986CB" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFE470" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=solid label="rents" dir=forward]
+	N8 -> N9 [color="#7986CB" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=dashed label="negotiates" dir=forward]
+	N8 -> N3 [color="#7986CB" penwidth=1.5 style=dashed label="zones" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_39.txt b/test/diagrams/graph_easy/diagrams_39.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd7d93e8ac97a1137baeaa0a42e27a3db05cc12e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_39.txt
@@ -0,0 +1,11 @@
+<Agent Assignment, connectedTo, Document Signing>
+<Brokerage License Renewal, connectedTo, Property Appraisal>
+<Document Signing, connectedTo, Virtual Tour Creation>
+<HOA Management, surveys, Brokerage License Renewal>
+<Property Appraisal, connectedTo, Agent Assignment>
+<Property Valuation, secures, Renovation Planning>
+<Property Valuation, zones, Brokerage License Renewal>
+<Renovation Planning, negotiates, Building Permit Application>
+<Tax Assessment, verifies, HOA Management>
+<Title Check, connectedTo, Tax Assessment>
+<Virtual Tour Creation, rents, Property Valuation>
diff --git a/test/diagrams/graph_easy/diagrams_4.dot b/test/diagrams/graph_easy/diagrams_4.dot
new file mode 100644
index 0000000000000000000000000000000000000000..edde66e14ea9aafcdda69e7487c3e4ee1602a95e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_4.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Health Screening" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N1 [label="Case Review" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N2 [label="Pain Management" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N3 [label="Wound Care" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	N4 [label="Emergency Response" color="#D3EB9F" fillcolor="#F8FDD3" shape=predefinedprocess style=filled]
+	N5 [label="Device Implantation" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N6 [label="Blood Test" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N7 [label="Allergy Test" color="#A188DB" fillcolor="#DED7F0" shape=multipledocuments style=filled]
+	N8 [label="Referral" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N0 -> N1 [color="#A188DB" penwidth=1.5 style=solid label="researches" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="prescribes" dir=forward]
+	N2 -> N3 [color="#A188DB" penwidth=1.5 style=dashed label="assesses" dir=forward]
+	N3 -> N4 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#D3EB9F" penwidth=1.5 style=solid label="immunizes" dir=forward]
+	N5 -> N6 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+	N8 -> N2 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_4.txt b/test/diagrams/graph_easy/diagrams_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..83c6cc1b89a176f72e411d191f7f6b84ce3d93c2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_4.txt
@@ -0,0 +1,9 @@
+<Allergy Test, tests, Referral>
+<Blood Test, connectedTo, Allergy Test>
+<Case Review, prescribes, Pain Management>
+<Device Implantation, connectedTo, Blood Test>
+<Emergency Response, immunizes, Device Implantation>
+<Health Screening, researches, Case Review>
+<Pain Management, assesses, Wound Care>
+<Referral, connectedTo, Pain Management>
+<Wound Care, connectedTo, Emergency Response>
diff --git a/test/diagrams/graph_easy/diagrams_40.dot b/test/diagrams/graph_easy/diagrams_40.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1e8f1b3a610fb3bc3057057181bec369fe831eec
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_40.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Evidence Collection" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N1 [label="Public Safety Training" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N2 [label="Drug Interdiction" color="#C2B2F0" fillcolor="#EFE6FF" shape=preparation style=filled]
+	N3 [label="SWAT Team Activation" color="#26A69A" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N4 [label="Patrol Scheduling" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N5 [label="Crime Scene Analysis" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N6 [label="Search and Rescue Operations" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N7 [label="Post_Incident Review" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N8 [label="Bomb Disposal" color="#26A69A" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N0 -> N1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#C2B2F0" penwidth=1.5 style=solid label="responds to" dir=forward]
+	N2 -> N3 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N4 -> N5 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N6 -> N7 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=dashed label="detains" dir=forward]
+	N7 -> N5 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N3 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_40.txt b/test/diagrams/graph_easy/diagrams_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39f089f8e1881f830f5a93d392bc5f4135cb373f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_40.txt
@@ -0,0 +1,10 @@
+<Crime Scene Analysis, educates, Search and Rescue Operations>
+<Drug Interdiction, connectedTo, SWAT Team Activation>
+<Evidence Collection, connectedTo, Public Safety Training>
+<Patrol Scheduling, connectedTo, Crime Scene Analysis>
+<Post_Incident Review, detains, Bomb Disposal>
+<Post_Incident Review, monitors, Crime Scene Analysis>
+<Public Safety Training, responds to, Drug Interdiction>
+<SWAT Team Activation, connectedTo, Search and Rescue Operations>
+<SWAT Team Activation, licenses, Patrol Scheduling>
+<Search and Rescue Operations, connectedTo, Post_Incident Review>
diff --git a/test/diagrams/graph_easy/diagrams_41.txt b/test/diagrams/graph_easy/diagrams_41.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7cd46a9da14744d6b75309caa298cb5bbd497df7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_41.txt
@@ -0,0 +1,12 @@
+<Crime Scene Analysis, connectedTo, Public Safety Training>
+<Drug Interdiction, communicates, First Aid Deployment>
+<Drug Interdiction, connectedTo, Crime Scene Analysis>
+<Emergency Dispatch, connectedTo, Incident Reporting>
+<First Aid Deployment, certifies, Hazard Detection>
+<Hazard Detection, debriefs, Emergency Dispatch>
+<Incident Reporting, connectedTo, Drug Interdiction>
+<Public Safety Training, coordinates, Disaster Relief Coordination>
+<Resource Allocation, connectedTo, First Aid Deployment>
+<Resource Allocation, connectedTo, Traffic Control>
+<Traffic Control, connectedTo, Resource Allocation>
+<Victim Support Services, equips, Traffic Control>
diff --git a/test/diagrams/graph_easy/diagrams_42.dot b/test/diagrams/graph_easy/diagrams_42.dot
new file mode 100644
index 0000000000000000000000000000000000000000..90eb737d8ebb79c0064743e9eee97b18d9ebe056
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_42.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="First Aid Deployment" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Evacuation Planning" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N2 [label="Emergency Medical Service" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N3 [label="Witness Interview" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N4 [label="Disaster Relief Coordination" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N5 [label="Court Testimony" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N6 [label="Responder Alert" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N7 [label="Traffic Control" color="#6EB76D" fillcolor="#E9F7E8" shape=document style=filled]
+	N8 [label="Rescue Coordination" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N9 [label="Incident Reporting" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=dashed label="suppresses" dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=solid label="drills" dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=solid label="dispatches" dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#BDBDBD" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N6 -> N8 [color="#3F51B5" penwidth=1.5 style=dashed label="monitors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_42.txt b/test/diagrams/graph_easy/diagrams_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0bee88fc29df92942817b10b9a86139f09f9f2ca
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_42.txt
@@ -0,0 +1,10 @@
+<Court Testimony, drills, Responder Alert>
+<Disaster Relief Coordination, trains, Court Testimony>
+<Emergency Medical Service, connectedTo, Witness Interview>
+<Evacuation Planning, suppresses, Emergency Medical Service>
+<First Aid Deployment, connectedTo, Evacuation Planning>
+<Rescue Coordination, detects, Incident Reporting>
+<Responder Alert, dispatches, Traffic Control>
+<Responder Alert, monitors, Rescue Coordination>
+<Traffic Control, connectedTo, Rescue Coordination>
+<Witness Interview, secures, Disaster Relief Coordination>
diff --git a/test/diagrams/graph_easy/diagrams_43.dot b/test/diagrams/graph_easy/diagrams_43.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d07ba3fea8c3a9e7f679a6aa0380cf64520745df
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_43.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Actor Rehearsal" color="#73C6BC" fillcolor="#D0EFEE" shape=vnode_shape style=filled]
+	N1 [label="Post_Production Audio Mixing" color="#CFCFCF" fillcolor="#F6F6F6" shape=multipledocuments style=filled]
+	N2 [label="Animation Production" color="#607D8B" fillcolor="#CFD8DC" shape=multipledocuments style=filled]
+	N3 [label="Scene Shooting" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	N4 [label="Streaming Setup" color="#607D8B" fillcolor="#CFD8DC" shape=preparation style=filled]
+	N5 [label="Premiere Event" color="#607D8B" fillcolor="#CFD8DC" shape=action style=filled]
+	N6 [label="Press Junket" color="#607D8B" fillcolor="#CFD8DC" shape=document style=filled]
+	N7 [label="Merchandise Creation" color="#73C6BC" fillcolor="#D0EFEE" shape=action style=filled]
+	N8 [label="Intellectual Property Protection" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N9 [label="Red Carpet Event" color="#607D8B" fillcolor="#CFD8DC" shape=rect style=filled]
+	N10 [label="Awards Ceremony Production" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N0 -> N1 [color="#607D8B" penwidth=1.5 style=dashed label="films" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#73C6BC" penwidth=1.5 style=solid label="composes" dir=forward]
+	N3 -> N4 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N7 -> N8 [color="#CFCFCF" penwidth=1.5 style=solid label="rehearses" dir=forward]
+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=solid label="audits" dir=forward]
+	N9 -> N10 [color="#607D8B" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N9 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_43.txt b/test/diagrams/graph_easy/diagrams_43.txt
new file mode 100644
index 0000000000000000000000000000000000000000..69a1218f5ff650c813a1c8a64b45fbfc5c13edb1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_43.txt
@@ -0,0 +1,12 @@
+<Actor Rehearsal, films, Post_Production Audio Mixing>
+<Animation Production, composes, Scene Shooting>
+<Intellectual Property Protection, audits, Red Carpet Event>
+<Merchandise Creation, rehearses, Intellectual Property Protection>
+<Post_Production Audio Mixing, connectedTo, Animation Production>
+<Premiere Event, connectedTo, Awards Ceremony Production>
+<Premiere Event, connectedTo, Press Junket>
+<Press Junket, innovates, Merchandise Creation>
+<Red Carpet Event, connectedTo, Press Junket>
+<Red Carpet Event, promotes, Awards Ceremony Production>
+<Scene Shooting, connectedTo, Streaming Setup>
+<Streaming Setup, connectedTo, Premiere Event>
diff --git a/test/diagrams/graph_easy/diagrams_44.dot b/test/diagrams/graph_easy/diagrams_44.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dc58666fb0af91d906a96f16b2087b1e3b034753
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_44.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Sound Engineering" color="#82DAFF" fillcolor="#C8EDFF" shape=rect style=filled]
+	N1 [label="Post_Production Audio Mixing" color="#82DAFF" fillcolor="#C8EDFF" shape=rectangle style=filled]
+	N2 [label="Scene Shooting" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N3 [label="Budget Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=rect style=filled]
+	N4 [label="Red Carpet Event" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N5 [label="Awards Ceremony Production" color="#82DAFF" fillcolor="#C8EDFF" shape=document style=filled]
+	N6 [label="Marketing Campaign" color="#B0C5CD" fillcolor="#DFE7EB" shape=database style=filled]
+	N7 [label="Concert Promotion" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N8 [label="Footage Review" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N9 [label="Merchandise Creation" color="#B0C5CD" fillcolor="#DFE7EB" shape=predefinedprocess style=filled]
+	N10 [label="Scene Scheduling" color="#82DAFF" fillcolor="#C8EDFF" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#B0C5CD" penwidth=1.5 style=solid label="auditions" dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=dashed label="directs" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N6 -> N7 [color="#82DAFF" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N7 -> N8 [color="#FFEB3B" penwidth=1.5 style=solid label="responds to" dir=forward]
+	N8 -> N9 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N6 [color="#B0C5CD" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N9 -> N8 [color="#000000" penwidth=1.5 style=solid label="archives" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_44.txt b/test/diagrams/graph_easy/diagrams_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39c6dbc22c3e8d7e05d5c556b3486558b2f4c275
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_44.txt
@@ -0,0 +1,12 @@
+<Awards Ceremony Production, innovates, Marketing Campaign>
+<Budget Planning, directs, Red Carpet Event>
+<Concert Promotion, responds to, Footage Review>
+<Footage Review, connectedTo, Merchandise Creation>
+<Marketing Campaign, licenses, Concert Promotion>
+<Merchandise Creation, archives, Footage Review>
+<Merchandise Creation, connectedTo, Scene Scheduling>
+<Post_Production Audio Mixing, connectedTo, Scene Shooting>
+<Post_Production Audio Mixing, manages, Marketing Campaign>
+<Red Carpet Event, reviews, Awards Ceremony Production>
+<Scene Shooting, auditions, Budget Planning>
+<Sound Engineering, connectedTo, Post_Production Audio Mixing>
diff --git a/test/diagrams/graph_easy/diagrams_45.txt b/test/diagrams/graph_easy/diagrams_45.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0e4630364835e7f10f9caee1486dbcd1bd9cf92a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_45.txt
@@ -0,0 +1,10 @@
+<Budget Planning, auditions, Marketing Campaign>
+<Fan Engagement Strategy, connectedTo, Red Carpet Event>
+<Licensing Approval, preserves, Scene Shooting>
+<Marketing Campaign, performs, Post_Production Audio Mixing>
+<Post_Production Audio Mixing, connectedTo, Budget Planning>
+<Post_Production Audio Mixing, protects, Casting Call>
+<Red Carpet Event, casts, Licensing Approval>
+<Scene Scheduling, writes, Stunt Coordination>
+<Scene Shooting, screens, Budget Planning>
+<Stunt Coordination, connectedTo, Fan Engagement Strategy>
diff --git a/test/diagrams/graph_easy/diagrams_46.dot b/test/diagrams/graph_easy/diagrams_46.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8d3d24c78195fcf830735c84e8bf71fe931193b7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_46.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Noise Pollution Measurement" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N1 [label="Hazardous Material Handling" color="#FFCC80" fillcolor="#FFF0CC" shape=vnode_shape style=filled]
+	N2 [label="Reforestation Planning" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N3 [label="Green Certification" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N4 [label="Energy Audit" color="#A188DB" fillcolor="#DED7F0" shape=database style=filled]
+	N5 [label="Carbon Footprint Calculation" color="#A188DB" fillcolor="#DED7F0" shape=multipledocuments style=filled]
+	N6 [label="Pollution Control Technology" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N7 [label="Water Sampling" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N8 [label="Citizen Science Initiative" color="#A188DB" fillcolor="#DED7F0" shape=vnode_shape style=filled]
+	N9 [label="Wildlife Survey" color="#A188DB" fillcolor="#DED7F0" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=solid label="educates" dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A188DB" penwidth=1.5 style=solid label="subsidizes" dir=forward]
+	N6 -> N7 [color="#90A4AE" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="manages" dir=forward]
+	N5 -> N3 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_46.txt b/test/diagrams/graph_easy/diagrams_46.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c92f2c46daccff656908bec837c8ac83858c5658
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_46.txt
@@ -0,0 +1,10 @@
+<Carbon Footprint Calculation, connectedTo, Green Certification>
+<Carbon Footprint Calculation, subsidizes, Pollution Control Technology>
+<Citizen Science Initiative, manages, Wildlife Survey>
+<Energy Audit, connectedTo, Carbon Footprint Calculation>
+<Green Certification, connectedTo, Energy Audit>
+<Hazardous Material Handling, educates, Reforestation Planning>
+<Noise Pollution Measurement, connectedTo, Hazardous Material Handling>
+<Pollution Control Technology, cleans, Water Sampling>
+<Reforestation Planning, connectedTo, Green Certification>
+<Water Sampling, connectedTo, Citizen Science Initiative>
diff --git a/test/diagrams/graph_easy/diagrams_47.dot b/test/diagrams/graph_easy/diagrams_47.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dc1c39c016f41928ec2ec65c41ce5f4c757487c2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_47.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Wildlife Survey" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N1 [label="Regulatory Compliance" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N2 [label="Renewable Energy Project Development" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N3 [label="Noise Pollution Measurement" color="#CB9BE1" fillcolor="#F2E6F5" shape=vnode_shape style=filled]
+	N4 [label="Green Certification" color="#4CAF50" fillcolor="#C8E6C9" shape=document style=filled]
+	N5 [label="Renewable Energy Grid Integration" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N6 [label="Landfill Management" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N7 [label="Sustainable Agriculture Practices" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N8 [label="Recycling Process" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N9 [label="Species Reintroduction" color="#CB9BE1" fillcolor="#F2E6F5" shape=diamond style=filled]
+	N10 [label="Hazardous Material Handling" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4CAF50" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="funds" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#4CAF50" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N8 -> N9 [color="#CB9BE1" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N10 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_47.txt b/test/diagrams/graph_easy/diagrams_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21b0f6cd6424c6696b92d49170248c5e13b9fb1e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_47.txt
@@ -0,0 +1,11 @@
+<Green Certification, monitors, Renewable Energy Grid Integration>
+<Landfill Management, connectedTo, Sustainable Agriculture Practices>
+<Noise Pollution Measurement, cleans, Green Certification>
+<Recycling Process, connectedTo, Hazardous Material Handling>
+<Recycling Process, protects, Species Reintroduction>
+<Regulatory Compliance, surveys, Renewable Energy Project Development>
+<Renewable Energy Grid Integration, certifies, Landfill Management>
+<Renewable Energy Project Development, funds, Noise Pollution Measurement>
+<Species Reintroduction, connectedTo, Hazardous Material Handling>
+<Sustainable Agriculture Practices, licenses, Recycling Process>
+<Wildlife Survey, connectedTo, Regulatory Compliance>
diff --git a/test/diagrams/graph_easy/diagrams_48.dot b/test/diagrams/graph_easy/diagrams_48.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e681865ae2a8f90b405e50c3f203e661ab67aa06
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_48.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Renewable Energy Grid Integration" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N1 [label="Renewable Energy Project Development" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N2 [label="Landfill Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=rect style=filled]
+	N3 [label="Groundwater Monitoring" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	N4 [label="Ecosystem Restoration" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N5 [label="Species Reintroduction" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N6 [label="Citizen Science Initiative" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N7 [label="Waste Collection" color="#BA68C8" fillcolor="#F3E5F5" shape=document style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N1 -> N2 [color="#FFF9AE" penwidth=1.5 style=dashed label="restores" dir=forward]
+	N2 -> N3 [color="#BA68C8" penwidth=1.5 style=solid label="treats" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N4 -> N5 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N7 -> N4 [color="#BA68C8" penwidth=1.5 style=solid label="models" dir=forward]
+	N0 -> N2 [color="#3F51B5" penwidth=1.5 style=solid label="detects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_48.txt b/test/diagrams/graph_easy/diagrams_48.txt
new file mode 100644
index 0000000000000000000000000000000000000000..78790c41be8ac43511bebb0ad249a6638fc0cde8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_48.txt
@@ -0,0 +1,9 @@
+<Citizen Science Initiative, connectedTo, Waste Collection>
+<Ecosystem Restoration, connectedTo, Species Reintroduction>
+<Groundwater Monitoring, develops, Ecosystem Restoration>
+<Landfill Management, treats, Groundwater Monitoring>
+<Renewable Energy Grid Integration, detects, Landfill Management>
+<Renewable Energy Grid Integration, inspects, Renewable Energy Project Development>
+<Renewable Energy Project Development, restores, Landfill Management>
+<Species Reintroduction, connectedTo, Citizen Science Initiative>
+<Waste Collection, models, Ecosystem Restoration>
diff --git a/test/diagrams/graph_easy/diagrams_49.txt b/test/diagrams/graph_easy/diagrams_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ec3904bb2e9e05c4823d356a6ea93c8998dbdef
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_49.txt
@@ -0,0 +1,8 @@
+<Emergency Preparedness, connectedTo, Grant Distribution>
+<Grant Distribution, connectedTo, Urban Planning>
+<Infrastructure Planning, connectedTo, Public Sector Procurement>
+<Interdepartmental Approval, connectedTo, Social Program Review>
+<Interdepartmental Approval, plans, Emergency Preparedness>
+<Public Records Request, secures, Infrastructure Planning>
+<Social Program Review, registers, Public Records Request>
+<Urban Planning, communicates, Interdepartmental Approval>
diff --git a/test/diagrams/graph_easy/diagrams_5.dot b/test/diagrams/graph_easy/diagrams_5.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f0b66e3cfba4ab2f4eb2781d99c1cc5bec4bf43a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_5.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Prescription" color="#CDDC39" fillcolor="#E6EE9C" shape=vnode_shape style=filled]
+	N1 [label="Symptom Monitoring" color="#CDDC39" fillcolor="#E6EE9C" shape=database style=filled]
+	N2 [label="Telemedicine Consultation" color="#795548" fillcolor="#D7CCC8" shape=vnode_shape style=filled]
+	N3 [label="Device Implantation" color="#A1D7CD" fillcolor="#EDF5F3" shape=action style=filled]
+	N4 [label="Biopsy" color="#CDDC39" fillcolor="#E6EE9C" shape=multipledocuments style=filled]
+	N5 [label="Home Care Visit" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	N6 [label="Allergy Test" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N7 [label="Patient Intake" color="#A1D7CD" fillcolor="#EDF5F3" shape=multipledocuments style=filled]
+	N8 [label="Genetic Counseling" color="#CDDC39" fillcolor="#E6EE9C" shape=preparation style=filled]
+	N9 [label="Patient Education" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N10 [label="Medical History" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N11 [label="Diagnosis" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=solid label="schedules" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#CDDC39" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="interprets" dir=forward]
+	N9 -> N10 [color="#A1D7CD" penwidth=1.5 style=dashed label="coordinates" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N2 -> N1 [color="#795548" penwidth=1.5 style=solid label="responds" dir=forward]
+	N9 -> N1 [color="#795548" penwidth=1.5 style=solid label="operates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_5.txt b/test/diagrams/graph_easy/diagrams_5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..626102c5caf3785234f99cbac6d8e2de117c69cd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_5.txt
@@ -0,0 +1,13 @@
+<Allergy Test, connectedTo, Patient Intake>
+<Biopsy, connectedTo, Home Care Visit>
+<Device Implantation, connectedTo, Biopsy>
+<Genetic Counseling, interprets, Patient Education>
+<Home Care Visit, treats, Allergy Test>
+<Medical History, updates, Diagnosis>
+<Patient Education, coordinates, Medical History>
+<Patient Education, operates, Symptom Monitoring>
+<Patient Intake, connectedTo, Genetic Counseling>
+<Prescription, schedules, Symptom Monitoring>
+<Symptom Monitoring, connectedTo, Telemedicine Consultation>
+<Telemedicine Consultation, connectedTo, Device Implantation>
+<Telemedicine Consultation, responds, Symptom Monitoring>
diff --git a/test/diagrams/graph_easy/diagrams_50.txt b/test/diagrams/graph_easy/diagrams_50.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93505e940f46e2f9144169792a03bf4f595c0185
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_50.txt
@@ -0,0 +1,10 @@
+<Education Policy, evaluates, Policy Drafting>
+<National Defense, enacts, Education Policy>
+<National Defense, subsidizes, Urban Planning>
+<Permit Application, licenses, Vehicle Registration>
+<Policy Drafting, connectedTo, Urban Planning>
+<Public Records Request, allocates, Permit Application>
+<Social Security Administration, connectedTo, Public Records Request>
+<Social Security Administration, funds, Transparency Audit>
+<Transparency Audit, connectedTo, Public Records Request>
+<Urban Planning, administers, Social Security Administration>
diff --git a/test/diagrams/graph_easy/diagrams_51.dot b/test/diagrams/graph_easy/diagrams_51.dot
new file mode 100644
index 0000000000000000000000000000000000000000..91a6aa2155d2c1429a9c77cd68662307f2ed68e9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_51.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="National Defense" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label="Compliance Checking" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N2 [label="Citizen Feedback" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N3 [label="Whistleblower Protection" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N4 [label="Public Health Initiative" color="#BDBDBD" fillcolor="#F5F5F5" shape=rect style=filled]
+	N5 [label="Transparency Audit" color="#BDBDBD" fillcolor="#F5F5F5" shape=rectangle style=filled]
+	N6 [label="Border Control" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N7 [label="Code Enforcement" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="negotiates" dir=forward]
+	N1 -> N2 [color="#BDBDBD" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=solid label="drafts" dir=forward]
+	N5 -> N6 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N3 -> N2 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_51.txt b/test/diagrams/graph_easy/diagrams_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..640ca75bbf72cc4debe027e1ab00bc38e6796755
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_51.txt
@@ -0,0 +1,8 @@
+<Border Control, licenses, Code Enforcement>
+<Citizen Feedback, connectedTo, Whistleblower Protection>
+<Compliance Checking, publishes, Citizen Feedback>
+<National Defense, negotiates, Compliance Checking>
+<Public Health Initiative, drafts, Transparency Audit>
+<Transparency Audit, connectedTo, Border Control>
+<Whistleblower Protection, connectedTo, Citizen Feedback>
+<Whistleblower Protection, connectedTo, Public Health Initiative>
diff --git a/test/diagrams/graph_easy/diagrams_52.dot b/test/diagrams/graph_easy/diagrams_52.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d0cf01c74eb09d13ddc1cbf54f850223aec78b65
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_52.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Customer Loyalty Analytics" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N1 [label="Visual Merchandising" color="#E0E0E0" fillcolor="#EBEBEB" shape=preparation style=filled]
+	N2 [label="Warehouse Picking" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N3 [label="Supplier Coordination" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N4 [label="Staff Training" color="#E0E0E0" fillcolor="#EBEBEB" shape=vnode_shape style=filled]
+	N5 [label="Barcode Scanning" color="#E0E0E0" fillcolor="#EBEBEB" shape=action style=filled]
+	N6 [label="Daily Report Generation" color="#94C0C0" fillcolor="#CADEDE" shape=rectangle style=filled]
+	N7 [label="Payment Processing" color="#E0E0E0" fillcolor="#EBEBEB" shape=rectangle style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#795548" penwidth=1.5 style=dashed label="serves" dir=forward]
+	N2 -> N3 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid label="personalizes" dir=forward]
+	N4 -> N5 [color="#E0E0E0" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N6 -> N7 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N5 [color="#000000" penwidth=1.5 style=solid label="inventories" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_53.dot b/test/diagrams/graph_easy/diagrams_53.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bd5699b9c7c59842419d36723ce29f803c2d8ff9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_53.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Seasonal Sales Planning" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N1 [label="Price Tagging" color="#6EB76D" fillcolor="#E9F7E8" shape=preparation style=filled]
+	N2 [label="Product Demonstration" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+	N3 [label="Loss Prevention" color="#E57373" fillcolor="#FFEBEE" shape=document style=filled]
+	N4 [label="Receipt Issuing" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N5 [label="Barcode Scanning" color="#E57373" fillcolor="#FFEBEE" shape=multipledocuments style=filled]
+	N6 [label="E_commerce Platform Integration" color="#6EB76D" fillcolor="#E9F7E8" shape=predefinedprocess style=filled]
+	N7 [label="Shelf Restocking" color="#6EB76D" fillcolor="#E9F7E8" shape=rectangle style=filled]
+	N8 [label="Inventory Check" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N9 [label="Product Listing" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N10 [label="Daily Report Generation" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N11 [label="Shopping Cart Collection" color="#E57373" fillcolor="#FFEBEE" shape=database style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=solid label="sells" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=solid label="audits" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#6EB76D" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N5 -> N6 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E57373" penwidth=1.5 style=solid label="stocks" dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=dashed label="scans" dir=forward]
+	N8 -> N9 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=dashed label="advertises" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_53.txt b/test/diagrams/graph_easy/diagrams_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3f9b0752c2c6efad8a50eb4a0b1b474b99a6f1f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_53.txt
@@ -0,0 +1,12 @@
+<Barcode Scanning, connectedTo, E_commerce Platform Integration>
+<Daily Report Generation, connectedTo, Price Tagging>
+<Daily Report Generation, connectedTo, Shopping Cart Collection>
+<E_commerce Platform Integration, stocks, Shelf Restocking>
+<Inventory Check, connectedTo, Product Listing>
+<Loss Prevention, connectedTo, Receipt Issuing>
+<Price Tagging, connectedTo, Product Demonstration>
+<Product Demonstration, audits, Loss Prevention>
+<Product Listing, advertises, Daily Report Generation>
+<Receipt Issuing, complies, Barcode Scanning>
+<Seasonal Sales Planning, sells, Price Tagging>
+<Shelf Restocking, scans, Inventory Check>
diff --git a/test/diagrams/graph_easy/diagrams_54.dot b/test/diagrams/graph_easy/diagrams_54.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3285f4b7547b43e7b4cb1d984c6155c40a782052
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_54.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Stock Replenishment" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N1 [label="Visual Merchandising" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N2 [label="Payment Processing" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N3 [label="Daily Report Generation" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N4 [label="Complaint Management" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N5 [label="Promotion Planning" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N6 [label="Supplier Payment" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N7 [label="Inventory Check" color="#FFB2A5" fillcolor="#FFDCD6" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFB2A5" penwidth=1.5 style=solid label="orders" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid label="recommends" dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=solid label="restocks" dir=forward]
+	N5 -> N6 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=dashed label="ships" dir=forward]
+	N1 -> N7 [color="#000000" penwidth=1.5 style=solid label="prices" dir=forward]
+	N2 -> N4 [color="#4FC3F7" penwidth=1.5 style=dashed label="sells" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_54.txt b/test/diagrams/graph_easy/diagrams_54.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af83b3bbeb88fbd2ab2ae40f2408a246a7456bce
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_54.txt
@@ -0,0 +1,9 @@
+<Complaint Management, restocks, Promotion Planning>
+<Daily Report Generation, recommends, Complaint Management>
+<Payment Processing, connectedTo, Daily Report Generation>
+<Payment Processing, sells, Complaint Management>
+<Promotion Planning, connectedTo, Supplier Payment>
+<Stock Replenishment, connectedTo, Visual Merchandising>
+<Supplier Payment, ships, Inventory Check>
+<Visual Merchandising, orders, Payment Processing>
+<Visual Merchandising, prices, Inventory Check>
diff --git a/test/diagrams/graph_easy/diagrams_55.dot b/test/diagrams/graph_easy/diagrams_55.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5c5c47f10fb6ff0c854954930388743b42a9d025
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_55.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Research and Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N1 [label="After_sales Service" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N2 [label="Paint Application" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N3 [label="Assembly Line Setup" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N4 [label="Tire Rotation" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N5 [label="Autonomous Driving Software Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N6 [label="Brake System Check" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N7 [label="Infotainment System Integration" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N8 [label="Spare Parts Order" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=solid label="designs" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N2 -> N3 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N5 -> N6 [color="#CD8FF2" penwidth=1.5 style=solid label="fuels" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N6 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_55.txt b/test/diagrams/graph_easy/diagrams_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f147e30067364b3cabbc2c78046333b0f7bef91
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_55.txt
@@ -0,0 +1,9 @@
+<After_sales Service, manufactures, Paint Application>
+<Assembly Line Setup, connectedTo, Tire Rotation>
+<Autonomous Driving Software Development, fuels, Brake System Check>
+<Brake System Check, connectedTo, Infotainment System Integration>
+<Infotainment System Integration, connectedTo, Spare Parts Order>
+<Paint Application, connectedTo, Assembly Line Setup>
+<Research and Development, designs, After_sales Service>
+<Spare Parts Order, connectedTo, Brake System Check>
+<Tire Rotation, repairs, Autonomous Driving Software Development>
diff --git a/test/diagrams/graph_easy/diagrams_56.dot b/test/diagrams/graph_easy/diagrams_56.dot
new file mode 100644
index 0000000000000000000000000000000000000000..728e4f3f39c9a3851ed749986f91a0b134616bca
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_56.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Supplier Selection" color="#388E3C" fillcolor="#C8E6C9" shape=action style=filled]
+	N1 [label="Inventory Tracking" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N2 [label="Vehicle Design" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+	N3 [label="Engine Installation" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N4 [label="Dealership Sales" color="#73C6BC" fillcolor="#D0EFEE" shape=document style=filled]
+	N5 [label="Body Shop Repair" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N6 [label="Fuel Efficiency Check" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N7 [label="Quality Assurance" color="#66BB6A" fillcolor="#E8F5E9" shape=document style=filled]
+	N8 [label="Brake System Check" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N9 [label="Software Calibration" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N10 [label="Parts Distribution" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N11 [label="Diagnostic Trouble Code Reading" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N0 -> N1 [color="#73C6BC" penwidth=1.5 style=solid label="charges" dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="replaces" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#66BB6A" penwidth=1.5 style=solid label="fuels" dir=forward]
+	N9 -> N10 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N0 [color="#66BB6A" penwidth=1.5 style=dashed label="engineers" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_56.txt b/test/diagrams/graph_easy/diagrams_56.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a2668b050ec995346eeee6b4867b56eb8403ff4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_56.txt
@@ -0,0 +1,13 @@
+<Body Shop Repair, connectedTo, Fuel Efficiency Check>
+<Brake System Check, fuels, Software Calibration>
+<Dealership Sales, connectedTo, Body Shop Repair>
+<Engine Installation, connectedTo, Dealership Sales>
+<Engine Installation, engineers, Supplier Selection>
+<Fuel Efficiency Check, connectedTo, Quality Assurance>
+<Inventory Tracking, inspects, Vehicle Design>
+<Parts Distribution, connectedTo, Diagnostic Trouble Code Reading>
+<Quality Assurance, connectedTo, Brake System Check>
+<Software Calibration, connectedTo, Parts Distribution>
+<Supplier Selection, charges, Inventory Tracking>
+<Supplier Selection, connectedTo, Dealership Sales>
+<Vehicle Design, replaces, Engine Installation>
diff --git a/test/diagrams/graph_easy/diagrams_57.dot b/test/diagrams/graph_easy/diagrams_57.dot
new file mode 100644
index 0000000000000000000000000000000000000000..44b0db7eaeb6ae126940c7b76fbd97372555cc05
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_57.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Autonomous Driving Software Development" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N1 [label="Diagnostic Trouble Code Reading" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N2 [label="Inventory Tracking" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N3 [label="Oil Change" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N4 [label="Maintenance Scheduling" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+	N5 [label="Electric Vehicle Battery Production" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N6 [label="Fluid Level Check" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N7 [label="Customer Relationship Management" color="#81C784" fillcolor="#F1F8E9" shape=rect style=filled]
+	N8 [label="Body Shop Repair" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N9 [label="Research and Development" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N10 [label="Parts Distribution" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N11 [label="Vehicle Connectivity" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N1 -> N2 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=dashed label="produces" dir=forward]
+	N4 -> N5 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#6FE1D5" penwidth=1.5 style=dashed label="installs" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFE470" penwidth=1.5 style=solid label="delivers" dir=forward]
+	N9 -> N10 [color="#6FE1D5" penwidth=1.5 style=solid label="prototypes" dir=forward]
+	N10 -> N11 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N4 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N2 [color="#000000" penwidth=1.5 style=solid label="charges" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_57.txt b/test/diagrams/graph_easy/diagrams_57.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21cca43fba4459684bfd3c1f40bc82e887227ff0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_57.txt
@@ -0,0 +1,13 @@
+<Autonomous Driving Software Development, certifies, Diagnostic Trouble Code Reading>
+<Body Shop Repair, delivers, Research and Development>
+<Customer Relationship Management, connectedTo, Body Shop Repair>
+<Diagnostic Trouble Code Reading, connectedTo, Inventory Tracking>
+<Electric Vehicle Battery Production, installs, Fluid Level Check>
+<Fluid Level Check, tests, Customer Relationship Management>
+<Inventory Tracking, diagnoses, Oil Change>
+<Maintenance Scheduling, connectedTo, Electric Vehicle Battery Production>
+<Oil Change, produces, Maintenance Scheduling>
+<Parts Distribution, charges, Inventory Tracking>
+<Parts Distribution, connectedTo, Vehicle Connectivity>
+<Research and Development, prototypes, Parts Distribution>
+<Vehicle Connectivity, connectedTo, Maintenance Scheduling>
diff --git a/test/diagrams/graph_easy/diagrams_58.dot b/test/diagrams/graph_easy/diagrams_58.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d8a3fb31d2f65e31858bf72741cf6c3cd245c68b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_58.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Aircraft Maintenance Log" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N1 [label="Mission Debriefing" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N2 [label="Launch Execution" color="#9FA9E1" fillcolor="#D6D9F0" shape=predefinedprocess style=filled]
+	N3 [label="Propulsion Testing" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+	N4 [label="Rocket Stage Separation" color="#D2D2D2" fillcolor="#F0F0F0" shape=document style=filled]
+	N5 [label="Astronaut Training" color="#D2D2D2" fillcolor="#F0F0F0" shape=document style=filled]
+	N6 [label="Emergency Protocols" color="#E57373" fillcolor="#FFEBEE" shape=rectangle style=filled]
+	N7 [label="Avionics Installation" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N8 [label="Runway Inspection" color="#D2D2D2" fillcolor="#F0F0F0" shape=document style=filled]
+	N9 [label="Airframe Assembly" color="#9FA9E1" fillcolor="#D6D9F0" shape=rectangle style=filled]
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=dashed label="navigates" dir=forward]
+	N1 -> N2 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N6 -> N7 [color="#E57373" penwidth=1.5 style=solid label="designs" dir=forward]
+	N7 -> N8 [color="#E57373" penwidth=1.5 style=solid label="builds" dir=forward]
+	N8 -> N9 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N4 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_58.txt b/test/diagrams/graph_easy/diagrams_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc310cc5c1ec5ac0dd87decba3391d3173322c6e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_58.txt
@@ -0,0 +1,10 @@
+<Aircraft Maintenance Log, navigates, Mission Debriefing>
+<Astronaut Training, repairs, Emergency Protocols>
+<Avionics Installation, builds, Runway Inspection>
+<Emergency Protocols, designs, Avionics Installation>
+<Launch Execution, develops, Propulsion Testing>
+<Mission Debriefing, connectedTo, Launch Execution>
+<Propulsion Testing, monitors, Rocket Stage Separation>
+<Rocket Stage Separation, connectedTo, Astronaut Training>
+<Rocket Stage Separation, connectedTo, Emergency Protocols>
+<Runway Inspection, connectedTo, Airframe Assembly>
diff --git a/test/diagrams/graph_easy/diagrams_59.dot b/test/diagrams/graph_easy/diagrams_59.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ab11dd1da05a53edd9ef020c4d8672dd7eaae883
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_59.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Mission Debriefing" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N1 [label="Space Debris Tracking" color="#795548" fillcolor="#D7CCC8" shape=action style=filled]
+	N2 [label="Data Transmission" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N3 [label="Flight Simulation" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N4 [label="Airframe Assembly" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N5 [label="Structural Analysis" color="#4CAF50" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N6 [label="Fueling Procedure" color="#7E57C2" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N7 [label="Drone System Development" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N8 [label="Satellite Configuration" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N9 [label="New Material Development" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N10 [label="Re_entry Vehicle Design" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N11 [label="Mission Planning" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=dashed label="assembles" dir=forward]
+	N1 -> N2 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#795548" penwidth=1.5 style=solid label="repairs" dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=solid label="deploys" dir=forward]
+	N6 -> N7 [color="#795548" penwidth=1.5 style=solid label="researches" dir=forward]
+	N7 -> N8 [color="#7E57C2" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N8 -> N9 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#4CAF50" penwidth=1.5 style=dashed label="records" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N5 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N7 -> N3 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_59.txt b/test/diagrams/graph_easy/diagrams_59.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb8ea75203611b02893077061ca47e60e0847ccf
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_59.txt
@@ -0,0 +1,13 @@
+<Airframe Assembly, connectedTo, Structural Analysis>
+<Data Transmission, connectedTo, Flight Simulation>
+<Drone System Development, connectedTo, Flight Simulation>
+<Drone System Development, tracks, Satellite Configuration>
+<Flight Simulation, repairs, Airframe Assembly>
+<Fueling Procedure, researches, Drone System Development>
+<Mission Debriefing, assembles, Space Debris Tracking>
+<New Material Development, records, Re_entry Vehicle Design>
+<Re_entry Vehicle Design, connectedTo, Mission Planning>
+<Re_entry Vehicle Design, connectedTo, Structural Analysis>
+<Satellite Configuration, connectedTo, New Material Development>
+<Space Debris Tracking, connectedTo, Data Transmission>
+<Structural Analysis, deploys, Fueling Procedure>
diff --git a/test/diagrams/graph_easy/diagrams_6.dot b/test/diagrams/graph_easy/diagrams_6.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d57ab5f20d428f3b6df10fa82bac4cc5840a59fb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_6.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Surgery" color="#64B5F6" fillcolor="#E3F2FD" shape=rect style=filled]
+	N1 [label="Imaging Scan" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N2 [label="Allergy Test" color="#CB9BE1" fillcolor="#F2E6F5" shape=action style=filled]
+	N3 [label="Patient Transfer" color="#4DD0E1" fillcolor="#C9F0F0" shape=predefinedprocess style=filled]
+	N4 [label="Diagnosis" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N5 [label="Telemedicine Consultation" color="#4DD0E1" fillcolor="#C9F0F0" shape=inputoutput style=filled]
+	N6 [label="Case Review" color="#64B5F6" fillcolor="#E3F2FD" shape=inputoutput style=filled]
+	N7 [label="Health Screening" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+	N8 [label="Mental Health Assessment" color="#CB9BE1" fillcolor="#F2E6F5" shape=rectangle style=filled]
+	N9 [label="Epidemiological Tracking" color="#CB9BE1" fillcolor="#F2E6F5" shape=vnode_shape style=filled]
+	N10 [label="Treatment Plan" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N11 [label="Medical History" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N0 -> N1 [color="#64B5F6" penwidth=1.5 style=solid label="dispenses" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N5 -> N6 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed label="escalates" dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="documents" dir=forward]
+	N10 -> N11 [color="#CB9BE1" penwidth=1.5 style=solid label="rehabilitates" dir=forward]
+	N4 -> N10 [color="#000000" penwidth=1.5 style=solid label="schedules" dir=forward]
+	N4 -> N7 [color="#64B5F6" penwidth=1.5 style=solid label="admits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_6.txt b/test/diagrams/graph_easy/diagrams_6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bb38765ec5508a34a56deea567122ff4043acf0e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_6.txt
@@ -0,0 +1,13 @@
+<Allergy Test, connectedTo, Patient Transfer>
+<Case Review, connectedTo, Health Screening>
+<Diagnosis, admits, Health Screening>
+<Diagnosis, analyzes, Telemedicine Consultation>
+<Diagnosis, schedules, Treatment Plan>
+<Epidemiological Tracking, documents, Treatment Plan>
+<Health Screening, escalates, Mental Health Assessment>
+<Imaging Scan, connectedTo, Allergy Test>
+<Mental Health Assessment, connectedTo, Epidemiological Tracking>
+<Patient Transfer, connectedTo, Diagnosis>
+<Surgery, dispenses, Imaging Scan>
+<Telemedicine Consultation, connectedTo, Case Review>
+<Treatment Plan, rehabilitates, Medical History>
diff --git a/test/diagrams/graph_easy/diagrams_60.dot b/test/diagrams/graph_easy/diagrams_60.dot
new file mode 100644
index 0000000000000000000000000000000000000000..268b88bfaa75116b53e824935afec99e8cb1e590
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_60.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Component Recovery" color="#4FC3F7" fillcolor="#E1F5FE" shape=multipledocuments style=filled]
+	N1 [label="Launch Execution" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N2 [label="Fueling Procedure" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N3 [label="Data Transmission" color="#A188D0" fillcolor="#DACBE3" shape=hexagon style=filled]
+	N4 [label="New Material Development" color="#4FC3F7" fillcolor="#E1F5FE" shape=document style=filled]
+	N5 [label="Satellite Configuration" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+	N6 [label="Mission Planning" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N7 [label="Flight Simulation" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N8 [label="Countdown Sequence" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N9 [label="Aircraft Manufacturing" color="#FFF176" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N10 [label="Hypersonic Flight Testing" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N11 [label="Engine Overhaul" color="#4FC3F7" fillcolor="#E1F5FE" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=solid label="transmits" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="reboots" dir=forward]
+	N2 -> N3 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N4 -> N5 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFF176" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N6 -> N7 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFF176" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="operates" dir=forward]
+	N10 -> N11 [color="#A188D0" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N11 -> N7 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N0 [color="#A188D0" penwidth=1.5 style=solid label="tracks" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_60.txt b/test/diagrams/graph_easy/diagrams_60.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c60e224f12c288912122211f7096b76025ab0cc5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_60.txt
@@ -0,0 +1,13 @@
+<Aircraft Manufacturing, operates, Hypersonic Flight Testing>
+<Component Recovery, transmits, Launch Execution>
+<Countdown Sequence, certifies, Aircraft Manufacturing>
+<Data Transmission, develops, New Material Development>
+<Engine Overhaul, connectedTo, Flight Simulation>
+<Flight Simulation, connectedTo, Countdown Sequence>
+<Fueling Procedure, connectedTo, Data Transmission>
+<Hypersonic Flight Testing, maintains, Engine Overhaul>
+<Launch Execution, reboots, Fueling Procedure>
+<Mission Planning, connectedTo, Flight Simulation>
+<New Material Development, connectedTo, Satellite Configuration>
+<Satellite Configuration, researches, Mission Planning>
+<Satellite Configuration, tracks, Component Recovery>
diff --git a/test/diagrams/graph_easy/diagrams_61.dot b/test/diagrams/graph_easy/diagrams_61.dot
new file mode 100644
index 0000000000000000000000000000000000000000..11d1e6eb9dcda1291cf62719e5dbbf2a3b3d8579
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_61.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Customer Communication" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N1 [label="Claims Litigation Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N2 [label="Loss Prevention" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N3 [label="Telematics Data Analysis" color="#4DB6AC" fillcolor="#E0F2F1" shape=inputoutput style=filled]
+	N4 [label="Market Research" color="#4DB6AC" fillcolor="#E0F2F1" shape=rect style=filled]
+	N5 [label="Business Interruption Coverage" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N6 [label="Product Development" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N7 [label="Subrogation" color="#4DB6AC" fillcolor="#E0F2F1" shape=rect style=filled]
+	N0 -> N1 [color="#4DB6AC" penwidth=1.5 style=dashed label="consults" dir=forward]
+	N1 -> N2 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=dashed label="reviews" dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DB6AC" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="educates" dir=forward]
+	N2 -> N4 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_61.txt b/test/diagrams/graph_easy/diagrams_61.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d651715b6f2dcc13db85883656bb7b0d48c6a37
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_61.txt
@@ -0,0 +1,8 @@
+<Business Interruption Coverage, automates, Product Development>
+<Claims Litigation Management, connectedTo, Loss Prevention>
+<Customer Communication, consults, Claims Litigation Management>
+<Loss Prevention, connectedTo, Market Research>
+<Loss Prevention, reviews, Telematics Data Analysis>
+<Market Research, promotes, Business Interruption Coverage>
+<Product Development, educates, Subrogation>
+<Telematics Data Analysis, connectedTo, Market Research>
diff --git a/test/diagrams/graph_easy/diagrams_62.dot b/test/diagrams/graph_easy/diagrams_62.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a1b569a31f7e4b7b267d928d83bb100cec465bf8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_62.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Policy Issuance" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N1 [label="Business Interruption Coverage" color="#FFB2A5" fillcolor="#FFDCD6" shape=preparation style=filled]
+	N2 [label="Claim Submission" color="#FFB2A5" fillcolor="#FFDCD6" shape=rectangle style=filled]
+	N3 [label="Fraud Investigation" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N4 [label="Product Development" color="#7E57C2" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N5 [label="Third_Party Administrator Liaison" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N6 [label="Reinsurance Negotiation" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N7 [label="Coverage Review" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N8 [label="Premium Calculation" color="#FFB2A5" fillcolor="#FFDCD6" shape=predefinedprocess style=filled]
+	N9 [label="Benefit Payout" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N10 [label="Cyber Insurance Policy" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	N11 [label="Catastrophe Modeling" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=dashed label="models" dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFB2A5" penwidth=1.5 style=solid label="rejects" dir=forward]
+	N8 -> N9 [color="#FFB2A5" penwidth=1.5 style=dashed label="approves" dir=forward]
+	N9 -> N10 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#7E57C2" penwidth=1.5 style=solid label="mitigates" dir=forward]
+	N8 -> N11 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_62.txt b/test/diagrams/graph_easy/diagrams_62.txt
new file mode 100644
index 0000000000000000000000000000000000000000..104f34f1faf901a7818030fc15d0d3dff106247a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_62.txt
@@ -0,0 +1,12 @@
+<Benefit Payout, connectedTo, Cyber Insurance Policy>
+<Business Interruption Coverage, connectedTo, Claim Submission>
+<Claim Submission, connectedTo, Fraud Investigation>
+<Coverage Review, rejects, Premium Calculation>
+<Cyber Insurance Policy, mitigates, Catastrophe Modeling>
+<Fraud Investigation, automates, Product Development>
+<Policy Issuance, optimizes, Business Interruption Coverage>
+<Premium Calculation, approves, Benefit Payout>
+<Premium Calculation, connectedTo, Catastrophe Modeling>
+<Product Development, models, Third_Party Administrator Liaison>
+<Reinsurance Negotiation, connectedTo, Coverage Review>
+<Third_Party Administrator Liaison, connectedTo, Reinsurance Negotiation>
diff --git a/test/diagrams/graph_easy/diagrams_63.txt b/test/diagrams/graph_easy/diagrams_63.txt
new file mode 100644
index 0000000000000000000000000000000000000000..65700629d192bb51b5655aa3146dcd8ff29e2bd2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_63.txt
@@ -0,0 +1,8 @@
+<Healthcare Provider Network Management, connectedTo, Property Damage Assessment>
+<Legal Review of Claims, advises, Underwriting>
+<Loss Prevention, connectedTo, Third_Party Administrator Liaison>
+<Policy Issuance, connectedTo, Digital Policy Management>
+<Property Damage Assessment, automates, Legal Review of Claims>
+<Third_Party Administrator Liaison, processes, Policy Issuance>
+<Underwriting, connectedTo, Loss Prevention>
+<Underwriting, educates, Legal Review of Claims>
diff --git a/test/diagrams/graph_easy/diagrams_64.dot b/test/diagrams/graph_easy/diagrams_64.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9c3e0aef27a4044c54cea8ed5d4145e56ef25831
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_64.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Supply Chain Security" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N1 [label="DevSecOps Integration" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N2 [label="Security Operations Center Monitoring" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N3 [label="Firewall Configuration" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N4 [label="Security Patch Management" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N5 [label="Vulnerability Assessment" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N6 [label="Incident Response" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N7 [label="Security Awareness Training" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4CAF50" penwidth=1.5 style=dashed label="threatens" dir=forward]
+	N2 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed label="authorizes" dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N3 -> N1 [color="#000000" penwidth=1.5 style=dashed label="audits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_65.dot b/test/diagrams/graph_easy/diagrams_65.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b30c15a6a097a21fed73c79832b9052182a08306
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_65.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=LR
+	N0 [label="Security Operations Center Monitoring" color="#AABEC6" fillcolor="#E0E6E9" shape=multipledocuments style=filled]
+	N1 [label="Cryptography Implementation" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N2 [label="Compliance Monitoring" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+	N3 [label="Security Patch Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N4 [label="Security Awareness Training" color="#6FE1D5" fillcolor="#C9EFEC" shape=rect style=filled]
+	N5 [label="Security Information and Event Management" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N6 [label="Identity Management" color="#4285F4" fillcolor="#D0E0F8" shape=vnode_shape style=filled]
+	N7 [label="Threat Detection" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N8 [label="Network Security" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N9 [label="Phishing Simulation" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N10 [label="IoT Security" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N11 [label="Cloud Security" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=solid label="detects" dir=forward]
+	N1 -> N2 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#AABEC6" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="notifies" dir=forward]
+	N4 -> N5 [color="#AABEC6" penwidth=1.5 style=solid label="trains" dir=forward]
+	N5 -> N6 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4285F4" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N8 -> N9 [color="#4285F4" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N5 [color="#6FE1D5" penwidth=1.5 style=solid label="governs" dir=forward]
+	N7 -> N4 [color="#4285F4" penwidth=1.5 style=solid label="authenticates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_65.txt b/test/diagrams/graph_easy/diagrams_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b48d3522557c40374cff7bcdb070cb7e92d45ca
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_65.txt
@@ -0,0 +1,13 @@
+<Compliance Monitoring, analyzes, Security Patch Management>
+<Cryptography Implementation, connectedTo, Compliance Monitoring>
+<Cryptography Implementation, governs, Security Information and Event Management>
+<Identity Management, alerts, Threat Detection>
+<IoT Security, connectedTo, Cloud Security>
+<Network Security, secures, Phishing Simulation>
+<Phishing Simulation, connectedTo, IoT Security>
+<Security Awareness Training, trains, Security Information and Event Management>
+<Security Information and Event Management, connectedTo, Identity Management>
+<Security Operations Center Monitoring, detects, Cryptography Implementation>
+<Security Patch Management, notifies, Security Awareness Training>
+<Threat Detection, authenticates, Security Awareness Training>
+<Threat Detection, filters, Network Security>
diff --git a/test/diagrams/graph_easy/diagrams_66.txt b/test/diagrams/graph_easy/diagrams_66.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c2b0a0e2b0f50e01be8583fb69d1e32a44be1fa7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_66.txt
@@ -0,0 +1,11 @@
+<Access Control, audits, Security Audit>
+<Antivirus Management, patches, Access Control>
+<Application Security, connectedTo, Security Audit>
+<Application Security, notifies, Physical Security Integration>
+<Cloud Security, tests, Malware Analysis>
+<Malware Analysis, incidents, Antivirus Management>
+<Mobile Security, connectedTo, Cloud Security>
+<Physical Security Integration, designs, Supply Chain Security>
+<Security Audit, connectedTo, Risk Management Framework>
+<Security Patch Management, connectedTo, Application Security>
+<Supply Chain Security, isolates, Mobile Security>
diff --git a/test/diagrams/graph_easy/diagrams_67.dot b/test/diagrams/graph_easy/diagrams_67.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4ff2487a316639d86f26f7d590d4637552526074
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_67.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Automated Vacuum Cleaning" color="#E91E63" fillcolor="#FCE4EC" shape=action style=filled]
+	N1 [label="Centralized Hub Configuration" color="#AED581" fillcolor="#F0F4C3" shape=rectangle style=filled]
+	N2 [label="Door Lock Management" color="#E91E63" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N3 [label="Smoke Alarm Integration" color="#E91E63" fillcolor="#FCE4EC" shape=action style=filled]
+	N4 [label="Power Outage Notification" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N5 [label="Elderly Care Monitoring" color="#E91E63" fillcolor="#FCE4EC" shape=rect style=filled]
+	N6 [label="Energy Monitoring" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+	N7 [label="Device Pairing" color="#A2D0FF" fillcolor="#E8F0FF" shape=preparation style=filled]
+	N8 [label="Motion Detection" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N9 [label="Air Quality Monitoring" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=dashed label="closes" dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#AED581" penwidth=1.5 style=solid label="updates" dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=dashed label="streams" dir=forward]
+	N8 -> N9 [color="#A2D0FF" penwidth=1.5 style=solid label="warns" dir=forward]
+	N3 -> N6 [color="#E91E63" penwidth=1.5 style=dashed label="designs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_67.txt b/test/diagrams/graph_easy/diagrams_67.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2a2af9b1dabc6dc34c351e669b7f9d2624abd9b3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_67.txt
@@ -0,0 +1,10 @@
+<Automated Vacuum Cleaning, connectedTo, Centralized Hub Configuration>
+<Centralized Hub Configuration, connectedTo, Door Lock Management>
+<Device Pairing, streams, Motion Detection>
+<Door Lock Management, closes, Smoke Alarm Integration>
+<Elderly Care Monitoring, connectedTo, Energy Monitoring>
+<Energy Monitoring, connectedTo, Device Pairing>
+<Motion Detection, warns, Air Quality Monitoring>
+<Power Outage Notification, updates, Elderly Care Monitoring>
+<Smoke Alarm Integration, connectedTo, Power Outage Notification>
+<Smoke Alarm Integration, designs, Energy Monitoring>
diff --git a/test/diagrams/graph_easy/diagrams_68.dot b/test/diagrams/graph_easy/diagrams_68.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3b0461ef4190e0b8c31e76f705c3d5e60c7a06f1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_68.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Scene Creation" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N1 [label="Intercom System" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N2 [label="Home Security System Activation" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N3 [label="Personalized Comfort Settings" color="#BA68C8" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N4 [label="Automated Vacuum Cleaning" color="#7986CB" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N5 [label="Water Heater Control" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N6 [label="Video Surveillance" color="#BA68C8" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N7 [label="Smart Appliance Control" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N8 [label="Geofencing Trigger" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N9 [label="Window Sensor Monitoring" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=dashed label="lights" dir=forward]
+	N1 -> N2 [color="#F06292" penwidth=1.5 style=dashed label="simplifies" dir=forward]
+	N2 -> N3 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=solid label="diagnoses" dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N5 -> N6 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#F06292" penwidth=1.5 style=solid label="closes" dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N1 [color="#BA68C8" penwidth=1.5 style=dashed label="installs" dir=forward]
+	N8 -> N2 [color="#F06292" penwidth=1.5 style=dashed label="visualizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_68.txt b/test/diagrams/graph_easy/diagrams_68.txt
new file mode 100644
index 0000000000000000000000000000000000000000..551e6e1e0d3a22eca92e102e7bf00d0b67d926f5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_68.txt
@@ -0,0 +1,11 @@
+<Automated Vacuum Cleaning, optimizes, Water Heater Control>
+<Geofencing Trigger, connectedTo, Window Sensor Monitoring>
+<Geofencing Trigger, visualizes, Home Security System Activation>
+<Home Security System Activation, connectedTo, Personalized Comfort Settings>
+<Intercom System, simplifies, Home Security System Activation>
+<Personalized Comfort Settings, diagnoses, Automated Vacuum Cleaning>
+<Scene Creation, lights, Intercom System>
+<Smart Appliance Control, connectedTo, Geofencing Trigger>
+<Video Surveillance, closes, Smart Appliance Control>
+<Water Heater Control, connectedTo, Video Surveillance>
+<Water Heater Control, installs, Intercom System>
diff --git a/test/diagrams/graph_easy/diagrams_69.dot b/test/diagrams/graph_easy/diagrams_69.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b73e28fee6dc8e01c9d644ed402bb55758fae29f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_69.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=BT
+	N0 [label="Child Monitoring" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N1 [label="Voice Command" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N2 [label="Energy Monitoring" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N3 [label="Smoke Alarm Integration" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N4 [label="Firmware Update" color="#F44336" fillcolor="#FFCDD2" shape=document style=filled]
+	N5 [label="Energy Consumption Optimization" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N6 [label="Smart Appliance Control" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N7 [label="Door Lock Management" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N2 -> N3 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="schedules" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="adjusts" dir=forward]
+	N5 -> N4 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N7 [color="#000000" penwidth=1.5 style=dashed label="controls" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_69.txt b/test/diagrams/graph_easy/diagrams_69.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a5beac0f2c7eaef73433dc8bed97aa925fd7165
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_69.txt
@@ -0,0 +1,9 @@
+<Child Monitoring, connectedTo, Voice Command>
+<Energy Consumption Optimization, connectedTo, Firmware Update>
+<Energy Consumption Optimization, schedules, Smart Appliance Control>
+<Energy Monitoring, connectedTo, Smoke Alarm Integration>
+<Firmware Update, connectedTo, Energy Consumption Optimization>
+<Smart Appliance Control, adjusts, Door Lock Management>
+<Smoke Alarm Integration, connectedTo, Firmware Update>
+<Smoke Alarm Integration, controls, Door Lock Management>
+<Voice Command, warns, Energy Monitoring>
diff --git a/test/diagrams/graph_easy/diagrams_7.txt b/test/diagrams/graph_easy/diagrams_7.txt
new file mode 100644
index 0000000000000000000000000000000000000000..010ceca9df07da05d608aff711eec7f26bae0d17
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_7.txt
@@ -0,0 +1,10 @@
+<Automated Assembly, integrates, Shipping>
+<Batch Tracking, plans, Environmental Compliance>
+<Design Review, orders, Recycling Process>
+<Environmental Compliance, cuts, Batch Tracking>
+<Logistics Planning, connectedTo, Product Design>
+<Packaging, checks, Logistics Planning>
+<Product Design, processes, Automated Assembly>
+<Recycling Process, connectedTo, Environmental Compliance>
+<Shipping, connectedTo, Yield Optimization>
+<Yield Optimization, receives, Design Review>
diff --git a/test/diagrams/graph_easy/diagrams_70.dot b/test/diagrams/graph_easy/diagrams_70.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d9a0011d88c8d0830fd49d51f41f62525a223018
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_70.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Urban Agriculture Support" color="#7E57C2" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N1 [label="Digital Twins of City" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N2 [label="Infrastructure Maintenance Alert" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+	N3 [label="Smart Lighting" color="#FFB2A5" fillcolor="#FFDCD6" shape=parallelogram style=filled]
+	N4 [label="Sustainable Resource Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=diamond style=filled]
+	N5 [label="Traffic Flow Optimization" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N6 [label="Environmental Sensor Network" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N7 [label="Citizen Feedback Loop" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N8 [label="Smart Education Initiatives" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N9 [label="Public Safety Monitoring" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N10 [label="Crowd Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=solid label="builds" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=dashed label="partners" dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N6 -> N7 [color="#FFB2A5" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N7 -> N8 [color="#6FE1D5" penwidth=1.5 style=solid label="lights" dir=forward]
+	N8 -> N9 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N0 [color="#FFB2A5" penwidth=1.5 style=solid label="designs" dir=forward]
+	N2 -> N7 [color="#000000" penwidth=1.5 style=dashed label="deploys" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_70.txt b/test/diagrams/graph_easy/diagrams_70.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42e397a3f499fe0d2e4e576252c3618b981c02a3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_70.txt
@@ -0,0 +1,12 @@
+<Citizen Feedback Loop, lights, Smart Education Initiatives>
+<Digital Twins of City, builds, Infrastructure Maintenance Alert>
+<Environmental Sensor Network, regulates, Citizen Feedback Loop>
+<Infrastructure Maintenance Alert, connectedTo, Smart Lighting>
+<Infrastructure Maintenance Alert, deploys, Citizen Feedback Loop>
+<Public Safety Monitoring, connectedTo, Crowd Management>
+<Smart Education Initiatives, connectedTo, Public Safety Monitoring>
+<Smart Lighting, connectedTo, Sustainable Resource Management>
+<Sustainable Resource Management, partners, Traffic Flow Optimization>
+<Traffic Flow Optimization, designs, Urban Agriculture Support>
+<Traffic Flow Optimization, monitors, Environmental Sensor Network>
+<Urban Agriculture Support, maintains, Digital Twins of City>
diff --git a/test/diagrams/graph_easy/diagrams_71.dot b/test/diagrams/graph_easy/diagrams_71.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eaad23ef3fbb728128c017d4dacc34c7ace3f6f0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_71.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Air Quality Index Reporting" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+	N1 [label="Energy Grid Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N2 [label="Green Space Management" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N3 [label="Smart Education Initiatives" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N4 [label="Emergency Response System" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N5 [label="Infrastructure Maintenance Alert" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N6 [label="Disaster Resilience Planning" color="#CDDC39" fillcolor="#E6EE9C" shape=document style=filled]
+	N7 [label="Environmental Sensor Network" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+	N8 [label="Citizen Feedback Loop" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N9 [label="Public Safety Monitoring" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+	N10 [label="Smart Street Furniture" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="governs" dir=forward]
+	N1 -> N2 [color="#6FE1D5" penwidth=1.5 style=dashed label="routes" dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#6FE1D5" penwidth=1.5 style=solid label="transports" dir=forward]
+	N8 -> N9 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="connects" dir=forward]
+	N5 -> N0 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N0 [color="#AB47BC" penwidth=1.5 style=dashed label="alerts" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_71.txt b/test/diagrams/graph_easy/diagrams_71.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af1658e9ddbe24af1a6068195a3b06d0c8374966
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_71.txt
@@ -0,0 +1,12 @@
+<Air Quality Index Reporting, governs, Energy Grid Management>
+<Citizen Feedback Loop, alerts, Air Quality Index Reporting>
+<Citizen Feedback Loop, connectedTo, Public Safety Monitoring>
+<Disaster Resilience Planning, connectedTo, Environmental Sensor Network>
+<Emergency Response System, connectedTo, Infrastructure Maintenance Alert>
+<Energy Grid Management, routes, Green Space Management>
+<Environmental Sensor Network, transports, Citizen Feedback Loop>
+<Green Space Management, connectedTo, Smart Education Initiatives>
+<Infrastructure Maintenance Alert, connectedTo, Air Quality Index Reporting>
+<Infrastructure Maintenance Alert, connectedTo, Disaster Resilience Planning>
+<Public Safety Monitoring, connects, Smart Street Furniture>
+<Smart Education Initiatives, connectedTo, Emergency Response System>
diff --git a/test/diagrams/graph_easy/diagrams_72.dot b/test/diagrams/graph_easy/diagrams_72.dot
new file mode 100644
index 0000000000000000000000000000000000000000..740a2c5d53ef74c2f629ca1c49445e488304dd1f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_72.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Data Privacy Protection" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N1 [label="Intelligent Public Safety Cameras" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N2 [label="Renewable Energy Integration" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N3 [label="Smart Lighting" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+	N4 [label="Smart Grid Security" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N5 [label="Public Wi_Fi Deployment" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	N6 [label="Infrastructure Maintenance Alert" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N7 [label="Public Health Monitoring" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N8 [label="Smart Education Initiatives" color="#9C27B0" fillcolor="#E1BEE7" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FFCC7A" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N6 -> N2 [color="#000000" penwidth=1.5 style=dashed label="services" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_72.txt b/test/diagrams/graph_easy/diagrams_72.txt
new file mode 100644
index 0000000000000000000000000000000000000000..450edb2d5c34ece3126ca0ebe8a6773913139a37
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_72.txt
@@ -0,0 +1,9 @@
+<Data Privacy Protection, transports, Intelligent Public Safety Cameras>
+<Infrastructure Maintenance Alert, integrates, Public Health Monitoring>
+<Infrastructure Maintenance Alert, services, Renewable Energy Integration>
+<Intelligent Public Safety Cameras, connectedTo, Renewable Energy Integration>
+<Public Health Monitoring, innovates, Smart Education Initiatives>
+<Public Wi_Fi Deployment, connectedTo, Infrastructure Maintenance Alert>
+<Renewable Energy Integration, connectedTo, Smart Lighting>
+<Smart Grid Security, connectedTo, Public Wi_Fi Deployment>
+<Smart Lighting, connectedTo, Smart Grid Security>
diff --git a/test/diagrams/graph_easy/diagrams_73.dot b/test/diagrams/graph_easy/diagrams_73.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2f6a5fb727d1f383bbfff16ddc19985ed63aa50e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_73.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Synthetic Biology Design" color="#6EB76D" fillcolor="#E9F7E8" shape=database style=filled]
+	N1 [label="Regulatory Submission" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N2 [label="Gene Sequencing" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N3 [label="Biosensor Development" color="#6EB76D" fillcolor="#E9F7E8" shape=database style=filled]
+	N4 [label="Lab Automation" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N5 [label="Monoclonal Antibody Production" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N6 [label="Bioreactor Operation" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N7 [label="Clinical Trial Design" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N8 [label="Microbial Fermentation" color="#7986CB" fillcolor="#E8EAF6" shape=database style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=solid label="synthesizes" dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=solid label="manipulates" dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="collaborates" dir=forward]
+	N5 -> N6 [color="#B8C0F5" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=solid label="secures" dir=forward]
+	N5 -> N3 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N3 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_73.txt b/test/diagrams/graph_easy/diagrams_73.txt
new file mode 100644
index 0000000000000000000000000000000000000000..866edf22f1662998b730d6f5c00c1ad3860366b0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_73.txt
@@ -0,0 +1,10 @@
+<Bioreactor Operation, treats, Clinical Trial Design>
+<Biosensor Development, publishes, Lab Automation>
+<Clinical Trial Design, secures, Microbial Fermentation>
+<Gene Sequencing, manipulates, Biosensor Development>
+<Lab Automation, collaborates, Monoclonal Antibody Production>
+<Lab Automation, connectedTo, Biosensor Development>
+<Monoclonal Antibody Production, connectedTo, Biosensor Development>
+<Monoclonal Antibody Production, simulates, Bioreactor Operation>
+<Regulatory Submission, synthesizes, Gene Sequencing>
+<Synthetic Biology Design, connectedTo, Regulatory Submission>
diff --git a/test/diagrams/graph_easy/diagrams_74.dot b/test/diagrams/graph_easy/diagrams_74.dot
new file mode 100644
index 0000000000000000000000000000000000000000..022c7467a70d8f598203fe5e59708d4cb258a51d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_74.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Personalized Medicine Formulation" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N1 [label="Protein Engineering" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N2 [label="Genomic Editing" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N3 [label="Regulatory Submission" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N4 [label="Quality Control" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N5 [label="Biomarker Discovery" color="#BDAFA8" fillcolor="#E4E0DF" shape=preparation style=filled]
+	N6 [label="Gene Therapy Delivery" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N7 [label="Diagnostic Test Development" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N8 [label="Vaccine Development" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N9 [label="Biosafety Protocol" color="#FFDA4E" fillcolor="#FFE88D" shape=document style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=solid label="automates" dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=dashed label="modifies" dir=forward]
+	N8 -> N9 [color="#94C0C0" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N6 -> N4 [color="#94C0C0" penwidth=1.5 style=solid label="synthesizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_74.txt b/test/diagrams/graph_easy/diagrams_74.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8cd7aec109b8585b13a7e5087238d64fa46dd232
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_74.txt
@@ -0,0 +1,10 @@
+<Biomarker Discovery, connectedTo, Gene Therapy Delivery>
+<Diagnostic Test Development, modifies, Vaccine Development>
+<Gene Therapy Delivery, connectedTo, Diagnostic Test Development>
+<Gene Therapy Delivery, synthesizes, Quality Control>
+<Genomic Editing, optimizes, Regulatory Submission>
+<Personalized Medicine Formulation, connectedTo, Protein Engineering>
+<Protein Engineering, connectedTo, Genomic Editing>
+<Quality Control, automates, Biomarker Discovery>
+<Regulatory Submission, connectedTo, Quality Control>
+<Vaccine Development, secures, Biosafety Protocol>
diff --git a/test/diagrams/graph_easy/diagrams_75.dot b/test/diagrams/graph_easy/diagrams_75.dot
new file mode 100644
index 0000000000000000000000000000000000000000..97893660d6f6227d989f29214e51d1568194ded7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_75.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Pharmacogenomics" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N1 [label="Clinical Trial Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N2 [label="CRISPR Technology Application" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N3 [label="Genomic Editing" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N4 [label="Ethical Review Board Approval" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N5 [label="Protein Engineering" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N6 [label="Nanobiotechnology Application" color="#5C6BC0" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N7 [label="Data Management and Analysis" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N8 [label="Computational Biology Modeling" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N9 [label="Regulatory Submission" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N10 [label="Monoclonal Antibody Production" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N11 [label="Intellectual Property Protection" color="#FFDA4E" fillcolor="#FFE88D" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=solid label="educates" dir=forward]
+	N4 -> N5 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="harvests" dir=forward]
+	N7 -> N8 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=solid label="clones" dir=forward]
+	N9 -> N10 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFC2C2" penwidth=1.5 style=solid label="researches" dir=forward]
+	N0 -> N4 [color="#FFDA4E" penwidth=1.5 style=solid label="designs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_75.txt b/test/diagrams/graph_easy/diagrams_75.txt
new file mode 100644
index 0000000000000000000000000000000000000000..80d904d11086364aaded64afae362c83159b024b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_75.txt
@@ -0,0 +1,12 @@
+<CRISPR Technology Application, connectedTo, Genomic Editing>
+<Clinical Trial Design, connectedTo, CRISPR Technology Application>
+<Computational Biology Modeling, clones, Regulatory Submission>
+<Data Management and Analysis, connectedTo, Computational Biology Modeling>
+<Ethical Review Board Approval, connectedTo, Protein Engineering>
+<Genomic Editing, educates, Ethical Review Board Approval>
+<Monoclonal Antibody Production, researches, Intellectual Property Protection>
+<Nanobiotechnology Application, harvests, Data Management and Analysis>
+<Pharmacogenomics, connectedTo, Clinical Trial Design>
+<Pharmacogenomics, designs, Ethical Review Board Approval>
+<Protein Engineering, connectedTo, Nanobiotechnology Application>
+<Regulatory Submission, connectedTo, Monoclonal Antibody Production>
diff --git a/test/diagrams/graph_easy/diagrams_76.dot b/test/diagrams/graph_easy/diagrams_76.dot
new file mode 100644
index 0000000000000000000000000000000000000000..910de27af8dc32f7174caa87c1f5171540787fab
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_76.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Compound Synthesis" color="#AABEC6" fillcolor="#E0E6E9" shape=predefinedprocess style=filled]
+	N1 [label="Patent Application" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N2 [label="Drug Repurposing" color="#82DAFF" fillcolor="#C8EDFF" shape=vnode_shape style=filled]
+	N3 [label="Distribution" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N4 [label="Health Economics Outcomes Research" color="#E91E63" fillcolor="#F8BBD0" shape=vnode_shape style=filled]
+	N5 [label="Adverse Event Reporting" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N6 [label="Medical Writing" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N7 [label="Process Validation" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#AABEC6" penwidth=1.5 style=solid label="discovers" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="consults" dir=forward]
+	N4 -> N5 [color="#82DAFF" penwidth=1.5 style=solid label="sells" dir=forward]
+	N5 -> N6 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=solid label="prescribes" dir=forward]
+	N0 -> N3 [color="#000000" penwidth=1.5 style=dashed label="funds" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_76.txt b/test/diagrams/graph_easy/diagrams_76.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d74d78c38d6b8191dacc058a43d31a7046f307f3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_76.txt
@@ -0,0 +1,8 @@
+<Adverse Event Reporting, connectedTo, Medical Writing>
+<Compound Synthesis, connectedTo, Patent Application>
+<Compound Synthesis, funds, Distribution>
+<Distribution, consults, Health Economics Outcomes Research>
+<Drug Repurposing, connectedTo, Distribution>
+<Health Economics Outcomes Research, sells, Adverse Event Reporting>
+<Medical Writing, prescribes, Process Validation>
+<Patent Application, discovers, Drug Repurposing>
diff --git a/test/diagrams/graph_easy/diagrams_77.dot b/test/diagrams/graph_easy/diagrams_77.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2dd03576f6eb95ad4f41bc45f4c364b3d4152220
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_77.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Drug Research" color="#E91E63" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N1 [label="Batch Release" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N2 [label="Cleanroom Operations" color="#E91E63" fillcolor="#FCE4EC" shape=document style=filled]
+	N3 [label="Solid Dosage Formulation" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N4 [label="Supply Chain Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N5 [label="Medical Writing" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N6 [label="Good Manufacturing Practices" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N7 [label="Regulatory Approval" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N8 [label="Quality Control" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N9 [label="Pharmacovigilance" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N10 [label="Market Access Strategy" color="#03A9F4" fillcolor="#B3E5FC" shape=parallelogram style=filled]
+	N11 [label="Post_Marketing Surveillance" color="#03A9F4" fillcolor="#B3E5FC" shape=preparation style=filled]
+	N0 -> N1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#03A9F4" penwidth=1.5 style=dashed label="discovers" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#03A9F4" penwidth=1.5 style=solid label="trials" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+	N8 -> N9 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#E91E63" penwidth=1.5 style=solid label="transports" dir=forward]
+	N10 -> N11 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N0 -> N7 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N6 [color="#A1D7CD" penwidth=1.5 style=dashed label="labels" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_77.txt b/test/diagrams/graph_easy/diagrams_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bb606d2a7f273fc778d69b5eb31f3dbaaf0d1a5e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_77.txt
@@ -0,0 +1,13 @@
+<Batch Release, discovers, Cleanroom Operations>
+<Cleanroom Operations, manufactures, Solid Dosage Formulation>
+<Drug Research, connectedTo, Batch Release>
+<Drug Research, connectedTo, Regulatory Approval>
+<Good Manufacturing Practices, trials, Regulatory Approval>
+<Market Access Strategy, connectedTo, Post_Marketing Surveillance>
+<Medical Writing, connectedTo, Good Manufacturing Practices>
+<Pharmacovigilance, transports, Market Access Strategy>
+<Quality Control, connectedTo, Pharmacovigilance>
+<Regulatory Approval, audits, Quality Control>
+<Regulatory Approval, labels, Good Manufacturing Practices>
+<Solid Dosage Formulation, connectedTo, Supply Chain Management>
+<Supply Chain Management, connectedTo, Medical Writing>
diff --git a/test/diagrams/graph_easy/diagrams_78.dot b/test/diagrams/graph_easy/diagrams_78.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bf826775c6a6be3b54306c2c6f67b631c2ac98cc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_78.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Pharmacovigilance" color="#90A4AE" fillcolor="#ECEFF1" shape=inputoutput style=filled]
+	N1 [label="Packaging" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N2 [label="Adverse Event Reporting" color="#A2D0FF" fillcolor="#E8F0FF" shape=rect style=filled]
+	N3 [label="Clinical Data Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=multipledocuments style=filled]
+	N4 [label="Global Regulatory Affairs" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N5 [label="Injectable Drug Manufacturing" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N6 [label="Cold Chain Logistics" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N7 [label="Clinical Trial Phases" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N5 -> N6 [color="#A188D0" penwidth=1.5 style=solid label="packages" dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_78.txt b/test/diagrams/graph_easy/diagrams_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ea5d1e4c29bbcb711aaa33675a773bca482bdd65
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_78.txt
@@ -0,0 +1,8 @@
+<Adverse Event Reporting, connectedTo, Clinical Data Management>
+<Adverse Event Reporting, connectedTo, Global Regulatory Affairs>
+<Clinical Data Management, connectedTo, Global Regulatory Affairs>
+<Cold Chain Logistics, connectedTo, Clinical Trial Phases>
+<Global Regulatory Affairs, innovates, Injectable Drug Manufacturing>
+<Injectable Drug Manufacturing, packages, Cold Chain Logistics>
+<Packaging, certifies, Adverse Event Reporting>
+<Pharmacovigilance, connectedTo, Packaging>
diff --git a/test/diagrams/graph_easy/diagrams_79.dot b/test/diagrams/graph_easy/diagrams_79.dot
new file mode 100644
index 0000000000000000000000000000000000000000..db04a697ec55ffab14e85c7250f28f914734a994
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_79.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Path Planning" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N1 [label="Kinematics and Dynamics" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+	N2 [label="Robotics Simulation" color="#6FE1D5" fillcolor="#C9EFEC" shape=preparation style=filled]
+	N3 [label="Calibration" color="#6FE1D5" fillcolor="#C9EFEC" shape=predefinedprocess style=filled]
+	N4 [label="Force Control" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N5 [label="Grasping and Manipulation" color="#388E3C" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N6 [label="Agricultural Robotics" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N7 [label="Learning Algorithms" color="#388E3C" fillcolor="#C8E6C9" shape=database style=filled]
+	N8 [label="Software Development" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="moves" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="learns" dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=dashed label="disassembles" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="assists" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N2 [color="#F44336" penwidth=1.5 style=dashed label="lifts" dir=forward]
+	N3 -> N7 [color="#F44336" penwidth=1.5 style=dashed label="simulates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_8.dot b/test/diagrams/graph_easy/diagrams_8.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7c200006bc6f09f63ce4967c3eaa6f525e5b7ff8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_8.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Procurement" color="#FFE470" fillcolor="#FFFAE0" shape=vnode_shape style=filled]
+	N1 [label="Storage" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N2 [label="Safety Audit" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N3 [label="Welding" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N4 [label="Supplier Qualification" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N5 [label="Design Review" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N6 [label="Tool Path Generation" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N7 [label="Defect Analysis" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
+	N8 [label="Machine Calibration" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=solid label="schedules" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#EAEFA5" penwidth=1.5 style=dashed label="prototypes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="labels" dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=solid label="checks" dir=forward]
+	N7 -> N8 [color="#4CAF50" penwidth=1.5 style=solid label="fabricates" dir=forward]
+	N3 -> N7 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N6 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_8.txt b/test/diagrams/graph_easy/diagrams_8.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3407306336e0e747b07c0018f6f6b8fa07a0bf05
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_8.txt
@@ -0,0 +1,10 @@
+<Defect Analysis, fabricates, Machine Calibration>
+<Design Review, automates, Tool Path Generation>
+<Procurement, connectedTo, Tool Path Generation>
+<Procurement, schedules, Storage>
+<Safety Audit, prototypes, Welding>
+<Storage, connectedTo, Safety Audit>
+<Supplier Qualification, connectedTo, Design Review>
+<Tool Path Generation, checks, Defect Analysis>
+<Welding, connectedTo, Defect Analysis>
+<Welding, labels, Supplier Qualification>
diff --git a/test/diagrams/graph_easy/diagrams_80.txt b/test/diagrams/graph_easy/diagrams_80.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ab7c5fe38d79549cac26914c58dc12c350a4315
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_80.txt
@@ -0,0 +1,9 @@
+<Battery Management, controls, Underwater Robotics>
+<Drone Control, updates, Exoskeleton Development>
+<Exoskeleton Development, connectedTo, Wireless Communication>
+<Field Deployment, automates, Robot Programming>
+<Field Deployment, connectedTo, Battery Management>
+<Robot Programming, connectedTo, Drone Control>
+<Swarm Robotics, connectedTo, Field Deployment>
+<Underwater Robotics, inspects, Robot Programming>
+<Wireless Communication, connectedTo, Grasping and Manipulation>
diff --git a/test/diagrams/graph_easy/diagrams_81.dot b/test/diagrams/graph_easy/diagrams_81.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1861325dda1b3be8d885062e59f9a4c864d08f7f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_81.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Robot Design" color="#673AB7" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N1 [label="Embedded Systems Development" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N2 [label="Fault Detection and Diagnosis" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N3 [label="Field Deployment" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N4 [label="Ethical Robotics Development" color="#A1D7CD" fillcolor="#EDF5F3" shape=multipledocuments style=filled]
+	N5 [label="Robot Fleet Management" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N6 [label="Kinematics and Dynamics" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N7 [label="Force Control" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N8 [label="Battery Management" color="#673AB7" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N9 [label="Learning Algorithms" color="#673AB7" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N10 [label="Medical Robotics" color="#92C79A" fillcolor="#E8F0EA" shape=rectangle style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#673AB7" penwidth=1.5 style=dashed label="actuates" dir=forward]
+	N2 -> N3 [color="#A1D7CD" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N3 -> N4 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=dashed label="applies" dir=forward]
+	N5 -> N6 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#673AB7" penwidth=1.5 style=dashed label="programs" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="transports" dir=forward]
+	N9 -> N10 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N6 [color="#000000" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N8 -> N7 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_81.txt b/test/diagrams/graph_easy/diagrams_81.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cfdee3a1b41f866a94ff9fcf363c7ddd9801c013
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_81.txt
@@ -0,0 +1,12 @@
+<Battery Management, connectedTo, Force Control>
+<Battery Management, transports, Learning Algorithms>
+<Embedded Systems Development, actuates, Fault Detection and Diagnosis>
+<Ethical Robotics Development, applies, Robot Fleet Management>
+<Fault Detection and Diagnosis, communicates, Field Deployment>
+<Field Deployment, connectedTo, Ethical Robotics Development>
+<Force Control, programs, Battery Management>
+<Kinematics and Dynamics, connectedTo, Force Control>
+<Learning Algorithms, connectedTo, Medical Robotics>
+<Learning Algorithms, integrates, Kinematics and Dynamics>
+<Robot Design, connectedTo, Embedded Systems Development>
+<Robot Fleet Management, connectedTo, Kinematics and Dynamics>
diff --git a/test/diagrams/graph_easy/diagrams_82.dot b/test/diagrams/graph_easy/diagrams_82.dot
new file mode 100644
index 0000000000000000000000000000000000000000..95327a87ce63590fe2bc1fa94841ba74ee789cbd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_82.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Subcontractor Management" color="#4CAF50" fillcolor="#C8E6C9" shape=database style=filled]
+	N1 [label="Post_Construction Handover" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N2 [label="Demolition" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N3 [label="Change Order Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=vnode_shape style=filled]
+	N4 [label="Pre_fabrication" color="#FFC2C2" fillcolor="#FFEBEB" shape=vnode_shape style=filled]
+	N5 [label="Blueprint Review" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N6 [label="Interior Finishing" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N7 [label="HVAC Installation" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N8 [label="BIM Modeling" color="#FFC2C2" fillcolor="#FFEBEB" shape=predefinedprocess style=filled]
+	N9 [label="Sustainable Building Design" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N0 -> N1 [color="#FFC2C2" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="renovates" dir=forward]
+	N2 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed label="consults" dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid label="contracts" dir=forward]
+	N5 -> N6 [color="#4CAF50" penwidth=1.5 style=solid label="estimates" dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N9 [color="#4CAF50" penwidth=1.5 style=dashed label="safety" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_83.dot b/test/diagrams/graph_easy/diagrams_83.dot
new file mode 100644
index 0000000000000000000000000000000000000000..14c52d73c91d9a6f2f9dc277eb2d95668dbecf04
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_83.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Electrical Wiring" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N1 [label="Blueprint Review" color="#673AB7" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N2 [label="Excavation" color="#DCE775" fillcolor="#F9FBE7" shape=document style=filled]
+	N3 [label="Post_Construction Handover" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N4 [label="Material Procurement" color="#DCE775" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N5 [label="Road Construction" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N6 [label="Roofing Installation" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N7 [label="Robotics in Construction" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N0 -> N1 [color="#673AB7" penwidth=1.5 style=dashed label="coordinates" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=dashed label="excavates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#673AB7" penwidth=1.5 style=dashed label="constructs" dir=forward]
+	N5 -> N6 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#673AB7" penwidth=1.5 style=dashed label="surveys" dir=forward]
+	N3 -> N6 [color="#000000" penwidth=1.5 style=dashed label="contracts" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_83.txt b/test/diagrams/graph_easy/diagrams_83.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3deb91210faed3250c829a5e86988dfbda7ec5e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_83.txt
@@ -0,0 +1,8 @@
+<Blueprint Review, connectedTo, Excavation>
+<Electrical Wiring, coordinates, Blueprint Review>
+<Excavation, excavates, Post_Construction Handover>
+<Material Procurement, constructs, Road Construction>
+<Post_Construction Handover, connectedTo, Material Procurement>
+<Post_Construction Handover, contracts, Roofing Installation>
+<Road Construction, connectedTo, Roofing Installation>
+<Roofing Installation, surveys, Robotics in Construction>
diff --git a/test/diagrams/graph_easy/diagrams_84.dot b/test/diagrams/graph_easy/diagrams_84.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8cff0dbf2da76ddc73c7dc91aac315c348ed5a01
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_84.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Risk Assessment" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+	N1 [label="Project Scheduling" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N2 [label="Site Logistics" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N3 [label="Robotics in Construction" color="#9C27B0" fillcolor="#E1BEE7" shape=preparation style=filled]
+	N4 [label="Concrete Pouring" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N5 [label="Pre_fabrication" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N6 [label="Subcontractor Management" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N7 [label="BIM Modeling" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N8 [label="Occupancy Permit Acquisition" color="#388E3C" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N9 [label="Permit Application" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N10 [label="Demolition" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N11 [label="Roofing Installation" color="#388E3C" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N2 -> N3 [color="#9C27B0" penwidth=1.5 style=dashed label="schedules" dir=forward]
+	N3 -> N4 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=solid label="frames" dir=forward]
+	N6 -> N7 [color="#E57373" penwidth=1.5 style=solid label="advises" dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=dashed label="erects" dir=forward]
+	N8 -> N9 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#E57373" penwidth=1.5 style=dashed label="contracts" dir=forward]
+	N11 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="bids" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_84.txt b/test/diagrams/graph_easy/diagrams_84.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a754420584dace55d1f3d1921803dcfba83347b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_84.txt
@@ -0,0 +1,12 @@
+<BIM Modeling, erects, Occupancy Permit Acquisition>
+<Concrete Pouring, connectedTo, Pre_fabrication>
+<Demolition, contracts, Roofing Installation>
+<Occupancy Permit Acquisition, connectedTo, Permit Application>
+<Permit Application, connectedTo, Demolition>
+<Pre_fabrication, frames, Subcontractor Management>
+<Project Scheduling, secures, Site Logistics>
+<Risk Assessment, connectedTo, Project Scheduling>
+<Robotics in Construction, connectedTo, Concrete Pouring>
+<Roofing Installation, bids, Subcontractor Management>
+<Site Logistics, schedules, Robotics in Construction>
+<Subcontractor Management, advises, BIM Modeling>
diff --git a/test/diagrams/graph_easy/diagrams_85.dot b/test/diagrams/graph_easy/diagrams_85.dot
new file mode 100644
index 0000000000000000000000000000000000000000..13e2c1ade64035c6042f4a43d99cb6d24387bbad
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_85.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Audience Segmentation" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N1 [label="Crisis Communication" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N2 [label="Advertising Sales" color="#D2D2D2" fillcolor="#F0F0F0" shape=rect style=filled]
+	N3 [label="Talent Management" color="#D2D2D2" fillcolor="#F0F0F0" shape=document style=filled]
+	N4 [label="Interactive Storytelling" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N5 [label="Augmented Reality Experiences" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N6 [label="Sound Design" color="#F44336" fillcolor="#FFCDD2" shape=predefinedprocess style=filled]
+	N7 [label="Journalism" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+	N8 [label="Content Creation" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=dashed label="moderates" dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="narrates" dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#CB9BE1" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=solid label="responds" dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N8 [color="#CB9BE1" penwidth=1.5 style=dashed label="animates" dir=forward]
+	N8 -> N7 [color="#D2D2D2" penwidth=1.5 style=solid label="advertises" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_85.txt b/test/diagrams/graph_easy/diagrams_85.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d257722c93483adee6d78877dab91e09fce829ab
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_85.txt
@@ -0,0 +1,10 @@
+<Advertising Sales, narrates, Talent Management>
+<Audience Segmentation, moderates, Crisis Communication>
+<Augmented Reality Experiences, responds, Sound Design>
+<Content Creation, advertises, Journalism>
+<Crisis Communication, connectedTo, Advertising Sales>
+<Interactive Storytelling, distributes, Augmented Reality Experiences>
+<Journalism, connectedTo, Content Creation>
+<Sound Design, animates, Content Creation>
+<Sound Design, connectedTo, Journalism>
+<Talent Management, connectedTo, Interactive Storytelling>
diff --git a/test/diagrams/graph_easy/diagrams_86.dot b/test/diagrams/graph_easy/diagrams_86.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6de7e9e46aef043e101fb7de1d0f3f7a6141c488
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_86.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=BT
+	N0 [label="Public Relations" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N1 [label="Sound Design" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N2 [label="Audience Segmentation" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N3 [label="Broadcasting" color="#FFC107" fillcolor="#FFECB3" shape=action style=filled]
+	N4 [label="Content Moderation" color="#3F51B5" fillcolor="#C5CAE9" shape=action style=filled]
+	N5 [label="Subscription Management" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N6 [label="Platform Development" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N7 [label="Virtual Reality Content Creation" color="#FFC107" fillcolor="#FFECB3" shape=multipledocuments style=filled]
+	N8 [label="Podcast Production" color="#A2D0FF" fillcolor="#E8F0FF" shape=database style=filled]
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=dashed label="mixes" dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=solid label="distributes" dir=forward]
+	N4 -> N5 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=solid label="films" dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#3F51B5" penwidth=1.5 style=dashed label="investigates" dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_86.txt b/test/diagrams/graph_easy/diagrams_86.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e14a2486fbc2c9403f2de3a5e734517cda6e32be
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_86.txt
@@ -0,0 +1,9 @@
+<Audience Segmentation, promotes, Broadcasting>
+<Broadcasting, distributes, Content Moderation>
+<Content Moderation, connectedTo, Subscription Management>
+<Platform Development, connectedTo, Broadcasting>
+<Platform Development, connectedTo, Virtual Reality Content Creation>
+<Public Relations, mixes, Sound Design>
+<Sound Design, connectedTo, Audience Segmentation>
+<Subscription Management, films, Platform Development>
+<Virtual Reality Content Creation, investigates, Podcast Production>
diff --git a/test/diagrams/graph_easy/diagrams_87.dot b/test/diagrams/graph_easy/diagrams_87.dot
new file mode 100644
index 0000000000000000000000000000000000000000..acd3733490b1a1ca3cab277d763f360a0b155fc1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_87.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Copyright Management" color="#FFF176" fillcolor="#FFFDE7" shape=database style=filled]
+	N1 [label="Platform Development" color="#FFF176" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N2 [label="Audience Segmentation" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N3 [label="Publishing" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N4 [label="Augmented Reality Experiences" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N5 [label="Brand Partnerships" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N6 [label="Journalism" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N7 [label="Digital Marketing" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="publishes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFF176" penwidth=1.5 style=dashed label="photographs" dir=forward]
+	N6 -> N7 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#FFF176" penwidth=1.5 style=solid label="protects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_87.txt b/test/diagrams/graph_easy/diagrams_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..899cce12449c0227959e9b48f4d79f7b9eea1a82
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_87.txt
@@ -0,0 +1,8 @@
+<Audience Segmentation, connectedTo, Publishing>
+<Augmented Reality Experiences, connectedTo, Brand Partnerships>
+<Brand Partnerships, photographs, Journalism>
+<Copyright Management, connectedTo, Platform Development>
+<Journalism, connectedTo, Digital Marketing>
+<Journalism, protects, Publishing>
+<Platform Development, connectedTo, Audience Segmentation>
+<Publishing, publishes, Augmented Reality Experiences>
diff --git a/test/diagrams/graph_easy/diagrams_88.dot b/test/diagrams/graph_easy/diagrams_88.dot
new file mode 100644
index 0000000000000000000000000000000000000000..30774426ad41ae6ff4ad81e4d1c58221103fa83c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_88.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Allergen Management" color="#FFB74D" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N1 [label="Restaurant Reservation System" color="#FFB2A5" fillcolor="#FFDCD6" shape=action style=filled]
+	N2 [label="Food Safety Inspection" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N3 [label="Brewing" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N4 [label="Baking" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N5 [label="Food Preparation" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N6 [label="Inventory Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=multipledocuments style=filled]
+	N7 [label="Menu Planning" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N8 [label="Cooking" color="#FFB2A5" fillcolor="#FFDCD6" shape=preparation style=filled]
+	N9 [label="Dietary Requirement Accommodation" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N10 [label="Food Processing Automation" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFB74D" penwidth=1.5 style=dashed label="packages" dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFB2A5" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="delivers" dir=forward]
+	N7 -> N8 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFB2A5" penwidth=1.5 style=dashed label="prepares" dir=forward]
+	N8 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed label="brands" dir=forward]
+	N5 -> N1 [color="#9C27B0" penwidth=1.5 style=solid label="transports" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_9.dot b/test/diagrams/graph_easy/diagrams_9.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8e9ae72bfb618fc601e5828db9a3c94e1a12ebb3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_9.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Quality Control" color="#FFC2C2" fillcolor="#FFEBEB" shape=preparation style=filled]
+	N1 [label="Painting" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N2 [label="Machine Calibration" color="#64B5F6" fillcolor="#E3F2FD" shape=predefinedprocess style=filled]
+	N3 [label="Storage" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N4 [label="Shipping" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+	N5 [label="Environmental Compliance" color="#FFE69C" fillcolor="#FFF9D4" shape=rect style=filled]
+	N6 [label="Recycling Process" color="#FFE69C" fillcolor="#FFF9D4" shape=multipledocuments style=filled]
+	N7 [label="Inspection" color="#FFC2C2" fillcolor="#FFEBEB" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFE69C" penwidth=1.5 style=dashed label="cuts" dir=forward]
+	N2 -> N3 [color="#FFE69C" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N3 -> N4 [color="#64B5F6" penwidth=1.5 style=solid label="paints" dir=forward]
+	N4 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=solid label="dispatches" dir=forward]
+	N5 -> N3 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_9.txt b/test/diagrams/graph_easy/diagrams_9.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a001563f2f219e33bcc3d33542e453c14121aa1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_9.txt
@@ -0,0 +1,8 @@
+<Environmental Compliance, connectedTo, Recycling Process>
+<Environmental Compliance, connectedTo, Storage>
+<Machine Calibration, transports, Storage>
+<Painting, cuts, Machine Calibration>
+<Quality Control, connectedTo, Painting>
+<Recycling Process, dispatches, Inspection>
+<Shipping, automates, Environmental Compliance>
+<Storage, paints, Shipping>
diff --git a/test/diagrams/graph_easy/diagrams_90.dot b/test/diagrams/graph_easy/diagrams_90.dot
new file mode 100644
index 0000000000000000000000000000000000000000..93e02a477bec059290653c4ee57a0af9b65391f0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_90.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Menu Planning" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N1 [label="Recipe Development" color="#9FA9E1" fillcolor="#D6D9F0" shape=database style=filled]
+	N2 [label="Ingredient Traceability" color="#03A9F4" fillcolor="#B3E5FC" shape=rectangle style=filled]
+	N3 [label="Branding and Marketing" color="#FFF9AE" fillcolor="#FFFCE6" shape=action style=filled]
+	N4 [label="New Product Launch" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N5 [label="Food Waste Management System" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N6 [label="Distribution" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N7 [label="Storage Solutions" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N8 [label="Catering Operations" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N9 [label="Service Delivery" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N10 [label="Food Preparation" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N11 [label="Consumer Feedback Collection" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N0 -> N1 [color="#03A9F4" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N1 -> N2 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=solid label="ingredients" dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF9AE" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid label="preserves" dir=forward]
+	N6 -> N7 [color="#03A9F4" penwidth=1.5 style=solid label="recipes" dir=forward]
+	N7 -> N8 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFF9AE" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N9 -> N10 [color="#FFF9AE" penwidth=1.5 style=solid label="transports" dir=forward]
+	N10 -> N11 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N11 -> N8 [color="#000000" penwidth=1.5 style=solid label="cooks" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_90.txt b/test/diagrams/graph_easy/diagrams_90.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a21527af38ac210aedc87dcee41722e5b3867318
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_90.txt
@@ -0,0 +1,12 @@
+<Branding and Marketing, connectedTo, New Product Launch>
+<Catering Operations, markets, Service Delivery>
+<Consumer Feedback Collection, cooks, Catering Operations>
+<Distribution, recipes, Storage Solutions>
+<Food Preparation, connectedTo, Consumer Feedback Collection>
+<Food Waste Management System, preserves, Distribution>
+<Ingredient Traceability, ingredients, Branding and Marketing>
+<Menu Planning, regulates, Recipe Development>
+<New Product Launch, complies, Food Waste Management System>
+<Recipe Development, connectedTo, Ingredient Traceability>
+<Service Delivery, transports, Food Preparation>
+<Storage Solutions, connectedTo, Catering Operations>
diff --git a/test/diagrams/graph_easy/diagrams_91.dot b/test/diagrams/graph_easy/diagrams_91.dot
new file mode 100644
index 0000000000000000000000000000000000000000..729b7adecd673c79896dd985e28d2731160317bf
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_91.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Talent Scouting" color="#90A4AE" fillcolor="#ECEFF1" shape=document style=filled]
+	N1 [label="Player Recruitment" color="#F06292" fillcolor="#FCE4EC" shape=database style=filled]
+	N2 [label="Game Strategy" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N3 [label="Youth Development Programs" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	N4 [label="Athlete Brand Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N5 [label="Accessibility in Sports Venues" color="#90A4AE" fillcolor="#ECEFF1" shape=document style=filled]
+	N6 [label="Fan Experience Enhancement" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N7 [label="Athlete Nutrition Planning" color="#90A4AE" fillcolor="#ECEFF1" shape=rectangle style=filled]
+	N8 [label="Fan Club Management" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N9 [label="Coaching" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N10 [label="Esports Event Management" color="#90A4AE" fillcolor="#ECEFF1" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#F06292" penwidth=1.5 style=solid label="governs" dir=forward]
+	N1 -> N2 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=solid label="organizes" dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=solid label="tests" dir=forward]
+	N5 -> N6 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=solid label="competes" dir=forward]
+	N7 -> N8 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#F06292" penwidth=1.5 style=solid label="coaches" dir=forward]
+	N0 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_91.txt b/test/diagrams/graph_easy/diagrams_91.txt
new file mode 100644
index 0000000000000000000000000000000000000000..066f85826ef05a9ae5fbe8c5c0ddb32fcdd24789
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_91.txt
@@ -0,0 +1,11 @@
+<Accessibility in Sports Venues, connectedTo, Fan Experience Enhancement>
+<Athlete Brand Management, tests, Accessibility in Sports Venues>
+<Athlete Nutrition Planning, connectedTo, Fan Club Management>
+<Coaching, coaches, Esports Event Management>
+<Fan Club Management, connectedTo, Coaching>
+<Fan Experience Enhancement, competes, Athlete Nutrition Planning>
+<Game Strategy, connectedTo, Youth Development Programs>
+<Player Recruitment, connectedTo, Game Strategy>
+<Talent Scouting, connectedTo, Esports Event Management>
+<Talent Scouting, governs, Player Recruitment>
+<Youth Development Programs, organizes, Athlete Brand Management>
diff --git a/test/diagrams/graph_easy/diagrams_92.dot b/test/diagrams/graph_easy/diagrams_92.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ca239dd31ee4e97f9e55adc495049c2a6082e68b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_92.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Fan Experience Enhancement" color="#607D8B" fillcolor="#CFD8DC" shape=rect style=filled]
+	N1 [label="Sponsorship Management" color="#607D8B" fillcolor="#CFD8DC" shape=inputoutput style=filled]
+	N2 [label="Fan Engagement" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N3 [label="Anti_Doping Control" color="#607D8B" fillcolor="#CFD8DC" shape=predefinedprocess style=filled]
+	N4 [label="Sports Marketing" color="#795548" fillcolor="#D7CCC8" shape=vnode_shape style=filled]
+	N5 [label="Sports Analytics" color="#607D8B" fillcolor="#CFD8DC" shape=document style=filled]
+	N6 [label="Sports Psychology" color="#DCE775" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N7 [label="Community Sports Programs" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N8 [label="Esports Event Management" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N9 [label="Data Analytics in Sports" color="#DCE775" fillcolor="#F9FBE7" shape=document style=filled]
+	N10 [label="Fitness Conditioning" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N0 -> N1 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=dashed label="sponsors" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N7 -> N8 [color="#795548" penwidth=1.5 style=dashed label="medicates" dir=forward]
+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N3 -> N10 [color="#DCE775" penwidth=1.5 style=solid label="builds" dir=forward]
+	N4 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_93.dot b/test/diagrams/graph_easy/diagrams_93.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c100b0cf1a83f329b00e61b523c3467e789121f9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_93.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Youth Development Programs" color="#80DDEA" fillcolor="#D3F7F9" shape=rectangle style=filled]
+	N1 [label="Training Session" color="#FFB2A5" fillcolor="#FFDCD6" shape=preparation style=filled]
+	N2 [label="Tournament Organization" color="#FFB2A5" fillcolor="#FFDCD6" shape=document style=filled]
+	N3 [label="Player Transfer" color="#80DDEA" fillcolor="#D3F7F9" shape=predefinedprocess style=filled]
+	N4 [label="Fitness Conditioning" color="#FFB2A5" fillcolor="#FFDCD6" shape=inputoutput style=filled]
+	N5 [label="Fan Experience Enhancement" color="#9FA9E1" fillcolor="#D6D9F0" shape=database style=filled]
+	N6 [label="Event Broadcasting" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N7 [label="Match Play" color="#FFB2A5" fillcolor="#FFDCD6" shape=diamond style=filled]
+	N8 [label="Fan Engagement" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N9 [label="Sports Analytics" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N10 [label="Sports Betting Regulation" color="#80DDEA" fillcolor="#D3F7F9" shape=rect style=filled]
+	N0 -> N1 [color="#80DDEA" penwidth=1.5 style=solid label="advertises" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=dashed label="governs" dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFB2A5" penwidth=1.5 style=solid label="scores" dir=forward]
+	N7 -> N8 [color="#FFB2A5" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N8 -> N9 [color="#80DDEA" penwidth=1.5 style=dashed label="coaches" dir=forward]
+	N9 -> N10 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N10 -> N0 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_93.txt b/test/diagrams/graph_easy/diagrams_93.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6767b3c1d2b03376a33b23ad7641a10eee70327f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_93.txt
@@ -0,0 +1,11 @@
+<Event Broadcasting, scores, Match Play>
+<Fan Engagement, coaches, Sports Analytics>
+<Fan Experience Enhancement, connectedTo, Event Broadcasting>
+<Fitness Conditioning, governs, Fan Experience Enhancement>
+<Match Play, tracks, Fan Engagement>
+<Player Transfer, connectedTo, Fitness Conditioning>
+<Sports Analytics, connectedTo, Sports Betting Regulation>
+<Sports Betting Regulation, connectedTo, Youth Development Programs>
+<Tournament Organization, connectedTo, Player Transfer>
+<Training Session, connectedTo, Tournament Organization>
+<Youth Development Programs, advertises, Training Session>
diff --git a/test/diagrams/graph_easy/diagrams_94.dot b/test/diagrams/graph_easy/diagrams_94.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cb55fa878f3ec25fa5e39b64f07b032a9571672f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_94.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Footwear Production" color="#607D8B" fillcolor="#CFD8DC" shape=action style=filled]
+	N1 [label="Pattern Making" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N2 [label="Garment Production" color="#795548" fillcolor="#D7CCC8" shape=rect style=filled]
+	N3 [label="Wholesale Distribution" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N4 [label="Ready_to_Wear Collection Launch" color="#607D8B" fillcolor="#CFD8DC" shape=parallelogram style=filled]
+	N5 [label="PR and Media Outreach" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+	N6 [label="Distribution" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N7 [label="Inventory Management" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N8 [label="Seasonal Collection Planning" color="#BDBDBD" fillcolor="#F5F5F5" shape=preparation style=filled]
+	N9 [label="Sample Creation" color="#607D8B" fillcolor="#CFD8DC" shape=action style=filled]
+	N10 [label="Customer Feedback Analysis" color="#607D8B" fillcolor="#CFD8DC" shape=inputoutput style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#795548" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N2 -> N3 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#607D8B" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="stylizes" dir=forward]
+	N6 -> N7 [color="#607D8B" penwidth=1.5 style=solid label="brands" dir=forward]
+	N7 -> N8 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N9 -> N10 [color="#795548" penwidth=1.5 style=solid label="recycles" dir=forward]
+	N2 -> N4 [color="#607D8B" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N0 -> N4 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_94.txt b/test/diagrams/graph_easy/diagrams_94.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec547219196a411a84628a9e6202c4b0f6d0d98d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_94.txt
@@ -0,0 +1,12 @@
+<Distribution, brands, Inventory Management>
+<Footwear Production, connectedTo, Pattern Making>
+<Footwear Production, connectedTo, Ready_to_Wear Collection Launch>
+<Garment Production, connectedTo, Wholesale Distribution>
+<Garment Production, licenses, Ready_to_Wear Collection Launch>
+<Inventory Management, connectedTo, Seasonal Collection Planning>
+<PR and Media Outreach, stylizes, Distribution>
+<Pattern Making, tests, Garment Production>
+<Ready_to_Wear Collection Launch, audits, PR and Media Outreach>
+<Sample Creation, recycles, Customer Feedback Analysis>
+<Seasonal Collection Planning, innovates, Sample Creation>
+<Wholesale Distribution, distributes, Ready_to_Wear Collection Launch>
diff --git a/test/diagrams/graph_easy/diagrams_95.dot b/test/diagrams/graph_easy/diagrams_95.dot
new file mode 100644
index 0000000000000000000000000000000000000000..589dcc64a1f4871d3a04f9199dc3b9e9f92aea74
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_95.dot
@@ -0,0 +1,21 @@
+digraph {
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+	N0 [label="Influencer Collaboration" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N1 [label="Product Photography" color="#82DAFF" fillcolor="#C8EDFF" shape=preparation style=filled]
+	N2 [label="Accessory Design" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N3 [label="Seasonal Collection Planning" color="#82DAFF" fillcolor="#C8EDFF" shape=rect style=filled]
+	N4 [label="Sustainable Fashion Practices" color="#CFCFCF" fillcolor="#F6F6F6" shape=predefinedprocess style=filled]
+	N5 [label="Pattern Making" color="#94C0C0" fillcolor="#CADEDE" shape=rectangle style=filled]
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+	N7 [label="Customer Feedback Analysis" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N8 [label="Global Sourcing Strategy" color="#CFCFCF" fillcolor="#F6F6F6" shape=inputoutput style=filled]
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diff --git a/test/diagrams/graph_easy/diagrams_95.txt b/test/diagrams/graph_easy/diagrams_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..befe63ad41f193239744449b138d6e9b65431db1
--- /dev/null
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+<Accessory Design, connectedTo, Seasonal Collection Planning>
+<Custom Apparel Design, innovates, Customer Feedback Analysis>
+<Customer Feedback Analysis, connectedTo, Global Sourcing Strategy>
+<Global Sourcing Strategy, sells, Sustainable Fashion Practices>
+<Influencer Collaboration, exhibits, Product Photography>
+<Pattern Making, connectedTo, Custom Apparel Design>
+<Product Photography, connectedTo, Accessory Design>
+<Seasonal Collection Planning, forecasts, Sustainable Fashion Practices>
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--- /dev/null
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+digraph {
+	rankdir=BT
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+	N7 [label="Fashion Show Production" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
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new file mode 100644
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+<Accessory Design, sketches, E_commerce Management>
+<Customer Loyalty Programs, connectedTo, Fashion Show Production>
+<E_commerce Management, connectedTo, Inventory Management>
+<Footwear Production, connectedTo, Haute Couture Creation>
+<Haute Couture Creation, connectedTo, Customer Loyalty Programs>
+<Haute Couture Creation, designs, Accessory Design>
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+digraph {
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+<Change Management, connectedTo, Employee Relations>
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+<Compliance Management, connectedTo, HR Information System Implementation>
+<Employee Handbook Creation, connectedTo, Change Management>
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+digraph {
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+}
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new file mode 100644
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+<Conflict Resolution, connectedTo, Remote Work Policy>
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diff --git a/test/diagrams/graph_medium/diagrams_101.dot b/test/diagrams/graph_medium/diagrams_101.dot
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index 0000000000000000000000000000000000000000..b8b394aa7f85aefa10d8d631f0a90ed662b67ddd
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_101.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=BT
+	N0 [label="Freelancer Engagement" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N1 [label="Job Fair Organization" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+	N2 [label="Recruitment Metrics Reporting" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N3 [label="Recruitment Marketing" color="#F06292" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N4 [label="Interview Conducting" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+	N5 [label="Diversity Sourcing" color="#DCE775" fillcolor="#F9FBE7" shape=diamond style=filled]
+	S0 [label="" color="#F06292" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#F06292" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Applicant Tracking System Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Applicant Tracking System Management"
+		nest0_0 [label="Candidate Tracking" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+		nest0_1 [label="Candidate Assessment Design" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+		nest0_2 [label="Candidate Relationship Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+		nest0_3 [label="Offer Extension" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
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+	nest0_1 -> nest0_2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#5C6BC0" penwidth=1.5 style=solid label="screens" dir=forward]
+	N3 -> nest0_0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#5C6BC0" penwidth=1.5 style=dashed label="hires" dir=forward]
+	S0 -> N5 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S1 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	S1 -> N4 [color="#5C6BC0" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_103.dot b/test/diagrams/graph_medium/diagrams_103.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d1546807b6989c91e057b3ea139da5b381b3345f
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_103.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=LR
+	N0 [label="Inquiry Handling" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N1 [label="Multilingual Support" color="#F44336" fillcolor="#FFCDD2" shape=rectangle style=filled]
+	N2 [label="Customer Retention Strategies" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
+	N3 [label="FAQ Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N4 [label="Customer Satisfaction Survey" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N5 [label="Self_Service Portal Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=action style=filled]
+	N6 [label="Post_Service Follow_up" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N7 [label="Virtual Assistant Interaction" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
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+	N9 [label="Refund Processing" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N10 [label="Service Recovery" color="#6FE1D5" fillcolor="#C9EFEC" shape=vnode_shape style=filled]
+	N11 [label="Call Center Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N12 [label="Customer Success Management" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
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+	S0 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Issue Escalation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Issue Escalation"
+		nest0_0 [label="Accessibility Support" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+		nest0_1 [label="Feedback Collection" color="#AB47BC" fillcolor="#F3E5F5" shape=preparation style=filled]
+		nest0_2 [label="Customer Loyalty Program Support" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=solid label="listens" dir=forward]
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+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N11 [color="#F44336" penwidth=1.5 style=solid label="automates" dir=forward]
+	N4 -> S0 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_108.txt b/test/diagrams/graph_medium/diagrams_108.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bfd16771be934f53de50d4ad9a95db523096590a
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_108.txt
@@ -0,0 +1,13 @@
+<Contract Manufacturing Oversight, connectedTo, Last_Mile Delivery Optimization>
+<Contract Manufacturing Oversight, connectedTo, Procurement>
+<Contract Manufacturing Oversight, connectedTo, Reverse Logistics>
+<Global Sourcing Strategy, connectedTo, Predictive Analytics>
+<Inventory Management, returns, Production Planning>
+<Last_Mile Delivery Optimization, connectedTo, Reverse Logistics>
+<Last_Mile Delivery Optimization, forecasts, Logistics Optimization>
+<Last_Mile Delivery Optimization, inspects, Procurement>
+<Predictive Analytics, certifies, Procurement>
+<Procurement, connectedTo, Reverse Logistics>
+<Procurement, manages, Inventory Management>
+<Production Planning, connectedTo, Global Sourcing Strategy>
+<Reverse Logistics, connectedTo, Logistics Optimization>
diff --git a/test/diagrams/graph_medium/diagrams_109.dot b/test/diagrams/graph_medium/diagrams_109.dot
new file mode 100644
index 0000000000000000000000000000000000000000..78af15475a8e631446d428d81e38d716dbdf8a4b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_109.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=RL
+	N0 [label="Robotics in Mining" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="Mineral Processing" color="#9C27B0" fillcolor="#E1BEE7" shape=multipledocuments style=filled]
+	N2 [label="Dust Control" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N3 [label="Asset Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=database style=filled]
+	N4 [label="Water Management" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N5 [label="Community Relations" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N6 [label="Autonomous Haulage Systems" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N7 [label="Exploration" color="#90A4AE" fillcolor="#ECEFF1" shape=predefinedprocess style=filled]
+	N8 [label="Underground Mining Operations" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N9 [label="Mine Planning" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N10 [label="Haulage" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	S0 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#90A4AE" fillcolor="#ECEFF1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Remote Operations Center {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Remote Operations Center"
+		nest0_0 [label="Mine Dewatering" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+		nest0_1 [label="Geological Survey" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+		nest0_2 [label="Geotechnical Stability Analysis" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A2D0FF" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=solid label="permits" dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N7 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S0 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#90A4AE" penwidth=1.5 style=dashed label="separates" dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N9 [color="#9C27B0" penwidth=1.5 style=solid label="audits" dir=forward]
+	S1 -> N8 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N8 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_110.txt b/test/diagrams/graph_medium/diagrams_110.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8dafe4ac96e5210987059ac999119677a3040d3c
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_110.txt
@@ -0,0 +1,21 @@
+<Asset Management, connectedTo, Crushing and Grinding>
+<Autonomous Haulage Systems, connectedTo, Energy Management>
+<Community Relations, tests, Asset Management>
+<Crushing and Grinding, connectedTo, Autonomous Haulage Systems>
+<Crushing and Grinding, connectedTo, Geotechnical Stability Analysis>
+<Emergency Response Planning, connectedTo, Robotics in Mining>
+<Energy Management, connectedTo, Reclamation>
+<Energy Management, connectedTo, Robotics in Mining>
+<Energy Management, regulates, Refining>
+<Environmental Impact Assessment, funds, Community Relations>
+<Geotechnical Stability Analysis, connectedTo, Noise Management>
+<Geotechnical Stability Analysis, simulates, Reclamation>
+<Mine Dewatering, connectedTo, Robotics in Mining>
+<Mine Dewatering, forecasts, Geological Survey>
+<Mine Dewatering, reports, Emergency Response Planning>
+<Noise Management, complies, Environmental Impact Assessment>
+<Reclamation, connectedTo, Geological Survey>
+<Refining, connectedTo, Mine Dewatering>
+<Robotics in Mining, connectedTo, Geotechnical Stability Analysis>
+<Safety Management, connectedTo, Community Relations>
+<Safety Management, safety, Geotechnical Stability Analysis>
diff --git a/test/diagrams/graph_medium/diagrams_111.dot b/test/diagrams/graph_medium/diagrams_111.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b5850d69dc1accd4ee49e59e1a6a4cd8d6bf212b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_111.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=RL
+	N0 [label="Tailings Management" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N1 [label="Robotics in Mining" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N2 [label="Geological Survey" color="#FFF176" fillcolor="#FFFDE7" shape=database style=filled]
+	N3 [label="Product Marketing" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N4 [label="Remote Operations Center" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N5 [label="Dust Control" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N6 [label="Environmental Impact Assessment" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N7 [label="Smelting" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N8 [label="Exploration" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N9 [label="Haulage" color="#FFF176" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N10 [label="Ore Extraction" color="#FFF176" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	S0 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#94C0C0" fillcolor="#CADEDE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFF176" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Emergency Response Planning {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Emergency Response Planning"
+		nest0_0 [label="Resource Estimation" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+		nest0_1 [label="Core Logging" color="#94C0C0" fillcolor="#CADEDE" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=solid label="smelts" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#26A69A" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#94C0C0" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N9 -> N10 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid label="drills" dir=forward]
+	N9 -> nest0_0 [color="#26A69A" penwidth=1.5 style=dashed label="plans" dir=forward]
+	nest0_1 -> N8 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S0 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#FFF176" penwidth=1.5 style=solid label="refines" dir=forward]
+	N4 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N2 -> M0 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N5 -> M0 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N9 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M1 [color="#000000" penwidth=1.5 style=dashed label="models" dir=forward]
+	M1 -> N8 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_112.txt b/test/diagrams/graph_medium/diagrams_112.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fc50b6fedfaa587dd88c724a5a355dd43910c43b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_112.txt
@@ -0,0 +1,17 @@
+<Customs Clearance, connectedTo, Search and Rescue Coordination>
+<Dry Docking, connectedTo, Marine Data Analytics>
+<Fisheries Management, charts, Dry Docking>
+<Fisheries Management, protects, Marine Insurance>
+<Freight Forwarding, connectedTo, Dry Docking>
+<Freight Forwarding, connectedTo, Salvage Operations>
+<Green Shipping Initiatives, connectedTo, Voyage Optimization>
+<Marine Data Analytics, connectedTo, Green Shipping Initiatives>
+<Marine Data Analytics, connectedTo, Vessel Maintenance>
+<Marine Data Analytics, designs, Voyage Optimization>
+<Marine Insurance, connectedTo, Freight Forwarding>
+<Salvage Operations, connectedTo, Customs Clearance>
+<Search and Rescue Coordination, connectedTo, Dry Docking>
+<Search and Rescue Coordination, connectedTo, Fisheries Management>
+<Ship Registry, connectedTo, Search and Rescue Coordination>
+<Vessel Maintenance, connectedTo, Green Shipping Initiatives>
+<Voyage Optimization, connectedTo, Port Congestion Management>
diff --git a/test/diagrams/graph_medium/diagrams_113.txt b/test/diagrams/graph_medium/diagrams_113.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f572f5dc5997a812c5fe17052ebefbad53d557db
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_113.txt
@@ -0,0 +1,16 @@
+<Ballast Water Management, connectedTo, Subsea Cable Laying>
+<Cargo Loading, analyzes, Crew Management>
+<Cargo Loading, connectedTo, Hydrographic Surveying>
+<Cargo Loading, connectedTo, Pilotage>
+<Cargo Loading, plans, Crew Management>
+<Dry Docking, connectedTo, Cargo Loading>
+<Freight Forwarding, connectedTo, Vessel Maintenance>
+<Freight Forwarding, docks, Marine Insurance>
+<Fuel Consumption Optimization, connectedTo, Crew Management>
+<Fuel Consumption Optimization, conserves, Cargo Loading>
+<Hydrographic Surveying, simulates, Pilotage>
+<Marine Insurance, alerts, Ballast Water Management>
+<Pilotage, connectedTo, Crew Management>
+<Pollution Control, connectedTo, Freight Forwarding>
+<Subsea Cable Laying, connectedTo, Dry Docking>
+<Vessel Maintenance, connectedTo, Fuel Consumption Optimization>
diff --git a/test/diagrams/graph_medium/diagrams_123.dot b/test/diagrams/graph_medium/diagrams_123.dot
new file mode 100644
index 0000000000000000000000000000000000000000..aff647f8fc54caa92b7e22409b4128c876c6bad8
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_123.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=TB
+	N0 [label="Arctic Weather Research" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+	N1 [label="Boundary Layer Study" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N2 [label="Satellite Meteorology" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N3 [label="Drought Monitoring" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+	N4 [label="Radar Imaging" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N5 [label="Meteorological Station Maintenance" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+	N6 [label="Pollution Dispersion Modeling" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N7 [label="Tornado Watch or Warning" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+	N8 [label="Ocean_Atmosphere Interaction Study" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N9 [label="Agricultural Weather Advisory" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N10 [label="Temperature Monitoring" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	S0 [label="" color="#FFE470" fillcolor="#FFFAE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFE470" fillcolor="#FFFAE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Wind Speed and Direction {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Wind Speed and Direction"
+		nest0_0 [label="Mesoscale Meteorology" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+		nest0_1 [label="Climate Change Impact Study" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	}
+	N0 -> N1 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=dashed label="maps" dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="calibrates" dir=forward]
+	N8 -> N9 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N5 [color="#000000" penwidth=1.5 style=solid label="disseminates" dir=forward]
+	N4 -> S0 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S1 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#000000" penwidth=1.5 style=dashed label="archives" dir=forward]
+	S1 -> N10 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N8 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#6FE1D5" penwidth=1.5 style=dashed label="models" dir=forward]
+	M1 -> N7 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_124.txt b/test/diagrams/graph_medium/diagrams_124.txt
new file mode 100644
index 0000000000000000000000000000000000000000..438476f9dea2fe8dd4b97ec749028ad5169b373b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_124.txt
@@ -0,0 +1,16 @@
+<Construction and Demolition Waste Management, connectedTo, Community Recycling Programs>
+<Construction and Demolition Waste Management, maintains, Public Education on Waste>
+<Landfill Operation, audits, Organics Collection>
+<Material Recovery Facility Operation, connectedTo, Plastic Recycling Technologies>
+<Organics Collection, connectedTo, Material Recovery Facility Operation>
+<Plastic Recycling Technologies, connectedTo, Smart Waste Bins>
+<Public Education on Waste, connectedTo, Landfill Operation>
+<Public Education on Waste, connectedTo, Material Recovery Facility Operation>
+<Public Education on Waste, connectedTo, Waste Management Policy Development>
+<Public Education on Waste, develops, Smart Waste Bins>
+<Recycling Processing, connectedTo, Smart Waste Bins>
+<Resource Recovery, connectedTo, Community Recycling Programs>
+<Smart Waste Bins, connectedTo, Resource Recovery>
+<Smart Waste Bins, connectedTo, Waste Audit>
+<Waste Audit, connectedTo, Recycling Processing>
+<Waste Management Policy Development, tracks, Waste Audit>
diff --git a/test/diagrams/graph_medium/diagrams_13.txt b/test/diagrams/graph_medium/diagrams_13.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d4a2a986428ae492a5c428b723d460a6dad6db74
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_13.txt
@@ -0,0 +1,18 @@
+<Cross_selling Recommendation, connectedTo, Customer Segmentation>
+<Cross_selling Recommendation, connectedTo, Order Confirmation>
+<Customer Segmentation, connectedTo, Refund Process>
+<Customer Segmentation, connectedTo, Search Engine Optimization>
+<Delivery Rescheduling, optimizes, Gift Card Purchase>
+<Delivery Tracking, connectedTo, Gift Card Purchase>
+<Gift Card Purchase, connectedTo, Cross_selling Recommendation>
+<Gift Card Purchase, connectedTo, Marketing Campaign Launch>
+<Gift Card Purchase, connectedTo, Order Confirmation>
+<Gift Card Purchase, updates, Up_selling Offer>
+<Live Chat Support, connectedTo, Up_selling Offer>
+<Marketing Campaign Launch, connectedTo, Live Chat Support>
+<Payment, connectedTo, Order Confirmation>
+<Refund Process, promotes, User Account Management>
+<Search Engine Optimization, collects, Marketing Campaign Launch>
+<Search Engine Optimization, filters, Order Confirmation>
+<Up_selling Offer, bundles, Payment>
+<User Account Management, connectedTo, Delivery Tracking>
diff --git a/test/diagrams/graph_medium/diagrams_130.dot b/test/diagrams/graph_medium/diagrams_130.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ee5f36238c1046c3b0c7c3a648f702141ab9bb9f
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_130.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Battery Recycling" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N1 [label="Composting Organic Waste" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N2 [label="Waste Stream Analysis" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+	N3 [label="Deposit_Return Schemes" color="#FF5722" fillcolor="#FFCCBC" shape=vnode_shape style=filled]
+	N4 [label="Chemical Recycling" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N5 [label="Mechanical Recycling" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N6 [label="Paper Recycling" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N7 [label="Glass Recycling" color="#00BCD4" fillcolor="#E0F7FA" shape=rectangle style=filled]
+	N8 [label="Sorting and Segregation" color="#00BCD4" fillcolor="#E0F7FA" shape=action style=filled]
+	N9 [label="Reprocessing into Raw Material" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N10 [label="Cleaning and Processing" color="#00BCD4" fillcolor="#E0F7FA" shape=rect style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#E0F7FA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#00BCD4" fillcolor="#E0F7FA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Waste Audit for Recycling {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Waste Audit for Recycling"
+		nest0_0 [label="Material Purity Testing" color="#00BCD4" fillcolor="#E0F7FA" shape=multipledocuments style=filled]
+		nest0_1 [label="Textile Recycling" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+		nest0_2 [label="Recycling Market Development" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+		nest0_3 [label="Advanced Sorting Technologies" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed label="reduces" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid label="collects" dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=solid label="compacts" dir=forward]
+	N7 -> N8 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#EAEFA5" penwidth=1.5 style=solid label="recovers" dir=forward]
+	nest0_0 -> nest0_1 [color="#00BCD4" penwidth=1.5 style=dashed label="measures" dir=forward]
+	nest0_1 -> nest0_2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N1 -> nest0_0 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N3 [color="#FF5722" penwidth=1.5 style=solid label="melts" dir=forward]
+	N0 -> S0 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> M1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	M1 -> N10 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_132.txt b/test/diagrams/graph_medium/diagrams_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..393ab66be5549324c370330ce7496cc67af505d7
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_132.txt
@@ -0,0 +1,15 @@
+<Cleaning and Processing, connectedTo, Hazardous Material Recovery>
+<Composting Organic Waste, connectedTo, Recycling Infrastructure Development>
+<Composting Organic Waste, connectedTo, Tyre Recycling>
+<Composting Organic Waste, innovates, Reprocessing into Raw Material>
+<Deposit_Return Schemes, connectedTo, Cleaning and Processing>
+<Hazardous Material Recovery, connectedTo, Mechanical Recycling>
+<Material Purity Testing, connectedTo, Deposit_Return Schemes>
+<Mechanical Recycling, connectedTo, Composting Organic Waste>
+<Mechanical Recycling, subsidizes, New Product Manufacturing>
+<New Product Manufacturing, connectedTo, Composting Organic Waste>
+<Recycling Infrastructure Development, classifies, Material Purity Testing>
+<Recycling Infrastructure Development, connectedTo, Tyre Recycling>
+<Recycling Policy Advocacy, connectedTo, Mechanical Recycling>
+<Recycling Policy Advocacy, shreds, Composting Organic Waste>
+<Reprocessing into Raw Material, connectedTo, Recycling Infrastructure Development>
diff --git a/test/diagrams/graph_medium/diagrams_141.txt b/test/diagrams/graph_medium/diagrams_141.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41131319bf9e8a3138c1dd55bdb44912e192efbb
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_141.txt
@@ -0,0 +1,16 @@
+<Child Protection Policies, connectedTo, Special Needs Accommodation>
+<Childcare Facility Licensing, accommodates, Field Trip Organization>
+<Emergency Evacuation Drills, connectedTo, Hygiene Practices>
+<Emergency Evacuation Drills, connectedTo, Nap Time Supervision>
+<Field Trip Organization, cleans, Emergency Evacuation Drills>
+<Field Trip Organization, connectedTo, Group Activities Coordination>
+<Group Activities Coordination, connectedTo, Child Protection Policies>
+<Hygiene Practices, connectedTo, Parent_Teacher Conferences>
+<Individualized Attention, connectedTo, Infant Care>
+<Infant Care, connectedTo, Childcare Facility Licensing>
+<Infant Care, connectedTo, Nap Time Supervision>
+<Nap Time Supervision, protects, Group Activities Coordination>
+<Preschool Education, connectedTo, Childcare Facility Licensing>
+<Preschool Education, connectedTo, Individualized Attention>
+<Preschool Education, connectedTo, Parent_Teacher Conferences>
+<Special Needs Accommodation, connectedTo, Individualized Attention>
diff --git a/test/diagrams/graph_medium/diagrams_143.dot b/test/diagrams/graph_medium/diagrams_143.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cd7bceaecad2ccadf1dfbf1cae44b1aaeabe7f99
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_143.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=LR
+	N0 [label="Community Resource Connection" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N1 [label="Fall Prevention" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	N2 [label="Hospice Care Coordination" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N3 [label="Respite Care" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	N4 [label="Legal Aid Referrals" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N5 [label="Palliative Care" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N6 [label="Mobility Support" color="#5C6BC0" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N7 [label="Dementia Care" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	M0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Caregiver Training {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Caregiver Training"
+		nest0_0 [label="Home Health Aide Services" color="#FFDA4E" fillcolor="#FFE88D" shape=rectangle style=filled]
+		nest0_1 [label="Companionship" color="#5C6BC0" fillcolor="#E8EAF6" shape=rectangle style=filled]
+		nest0_2 [label="Physical Therapy" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#AF56A6" penwidth=1.5 style=dashed label="coordinates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="escorts" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#AF56A6" penwidth=1.5 style=solid label="responds" dir=forward]
+	N3 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	M0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid label="activates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_144.txt b/test/diagrams/graph_medium/diagrams_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..45ba2a9f3f6ea93f0312c5484d795996dd980947
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_144.txt
@@ -0,0 +1,18 @@
+<Caregiver Training, connectedTo, Respite Care>
+<Cognitive Stimulation Activities, connectedTo, Physical Therapy>
+<Cognitive Stimulation Activities, connectedTo, Social Engagement Activities>
+<Cognitive Stimulation Activities, oversees, Emotional Support and Counseling>
+<Community Resource Connection, connectedTo, Telehealth for Seniors>
+<Community Resource Connection, prevents, Caregiver Training>
+<Emergency Response System Monitoring, connectedTo, Incontinence Care>
+<Financial Management Assistance, reports, Medication Management>
+<Home Health Aide Services, connectedTo, Caregiver Training>
+<Home Health Aide Services, connectedTo, Financial Management Assistance>
+<Incontinence Care, connectedTo, Caregiver Training>
+<Long_Term Care Planning, connectedTo, Emergency Response System Monitoring>
+<Medication Management, coordinates, Caregiver Training>
+<Medication Management, dresses, Community Resource Connection>
+<Physical Therapy, connectedTo, Social Engagement Activities>
+<Respite Care, assesses, Cognitive Stimulation Activities>
+<Social Engagement Activities, connectedTo, Emotional Support and Counseling>
+<Telehealth for Seniors, assists, Long_Term Care Planning>
diff --git a/test/diagrams/graph_medium/diagrams_145.txt b/test/diagrams/graph_medium/diagrams_145.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5419560e280a66d73eb89283ea51bf5b933bf023
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_145.txt
@@ -0,0 +1,19 @@
+<Cash Transfer Programs, connectedTo, Medical Aid Deployment>
+<Climate Change Adaptation for Disasters, connectedTo, Emergency Planning>
+<Climate Change Adaptation for Disasters, connectedTo, Hazard Identification>
+<Damage Assessment, connectedTo, Drone Deployment for Assessment>
+<Drone Deployment for Assessment, audits, Psychosocial Support>
+<Emergency Drills and Exercises, connectedTo, Emergency Planning>
+<Hazard Identification, connectedTo, Shelter Management>
+<Medical Aid Deployment, connectedTo, Damage Assessment>
+<Medical Aid Deployment, connectedTo, Drone Deployment for Assessment>
+<Medical Aid Deployment, connectedTo, Emergency Drills and Exercises>
+<Medical Aid Deployment, connectedTo, Search and Rescue Operations>
+<Policy and Legislation Review, connectedTo, Emergency Planning>
+<Policy and Legislation Review, connectedTo, Satellite Imagery Analysis>
+<Policy and Legislation Review, treats, Cash Transfer Programs>
+<Psychosocial Support, supports, Search and Rescue Operations>
+<Public Awareness Campaigns, connectedTo, Medical Aid Deployment>
+<Satellite Imagery Analysis, connectedTo, Public Awareness Campaigns>
+<Search and Rescue Operations, connectedTo, Emergency Drills and Exercises>
+<Shelter Management, connectedTo, Policy and Legislation Review>
diff --git a/test/diagrams/graph_medium/diagrams_148.dot b/test/diagrams/graph_medium/diagrams_148.dot
new file mode 100644
index 0000000000000000000000000000000000000000..762f274b04fbeeb61c72a2688ee4afbed5ab3fc6
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_148.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=TB
+	N0 [label="Defense Procurement" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+	N1 [label="Intelligence Gathering" color="#673AB7" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N2 [label="Peacekeeping Missions" color="#A2D0FF" fillcolor="#E8F0FF" shape=preparation style=filled]
+	N3 [label="Crisis Management" color="#673AB7" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N4 [label="Medical Support" color="#A2D0FF" fillcolor="#E8F0FF" shape=predefinedprocess style=filled]
+	N5 [label="Space Operations" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N6 [label="Troop Deployment" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N7 [label="Naval Operations" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N8 [label="Counter_Insurgency Operations" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	S0 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Military Law {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Military Law"
+		nest0_0 [label="Counter_Terrorism Operations" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+		nest0_1 [label="Cyber Warfare Operations" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#7986CB" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N6 -> nest0_0 [color="#000000" penwidth=1.5 style=solid label="negotiates" dir=forward]
+	nest0_1 -> N8 [color="#A2D0FF" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N1 -> S0 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#7986CB" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	S0 -> N6 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N7 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#673AB7" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N4 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_148.txt b/test/diagrams/graph_medium/diagrams_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..08edb6f3104239707749e9d28eccb940db757913
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_148.txt
@@ -0,0 +1,17 @@
+<Counter_Terrorism Operations, inspects, Cyber Warfare Operations>
+<Crisis Management, connectedTo, Medical Support>
+<Crisis Management, connectedTo, Naval Operations>
+<Crisis Management, surveys, Naval Operations>
+<Cyber Warfare Operations, tests, Counter_Insurgency Operations>
+<Defense Procurement, connectedTo, Intelligence Gathering>
+<Intelligence Gathering, connectedTo, Peacekeeping Missions>
+<Intelligence Gathering, connectedTo, Troop Deployment>
+<Intelligence Gathering, maintains, Counter_Insurgency Operations>
+<Medical Support, connectedTo, Naval Operations>
+<Medical Support, connectedTo, Space Operations>
+<Naval Operations, connectedTo, Counter_Insurgency Operations>
+<Peacekeeping Missions, connectedTo, Crisis Management>
+<Peacekeeping Missions, connectedTo, Naval Operations>
+<Space Operations, connectedTo, Troop Deployment>
+<Troop Deployment, connectedTo, Naval Operations>
+<Troop Deployment, negotiates, Counter_Terrorism Operations>
diff --git a/test/diagrams/graph_medium/diagrams_151.txt b/test/diagrams/graph_medium/diagrams_151.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aaae587fdb603361b8204d27b52504a4e94b07fc
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_151.txt
@@ -0,0 +1,17 @@
+<Aerospace Engineering, connectedTo, Next_Generation Air Traffic Management>
+<Aerospace Engineering, inspects, Emergency Procedures Training>
+<Air Traffic Control, services, Cargo Loading>
+<Aircraft De_icing, connectedTo, Next_Generation Air Traffic Management>
+<Aircraft De_icing, connectedTo, Security Screening>
+<Airport Operations, connectedTo, Air Traffic Control>
+<Airworthiness Certification, connectedTo, Sustainable Aviation Fuel Development>
+<Emergency Procedures Training, connectedTo, Airport Operations>
+<Fueling Operations, connectedTo, Aerospace Engineering>
+<Next_Generation Air Traffic Management, connectedTo, Remote Tower Operations>
+<Passenger Boarding, alerts, Airworthiness Certification>
+<Remote Tower Operations, connectedTo, Passenger Boarding>
+<Security Screening, connectedTo, Aerospace Engineering>
+<Security Screening, connectedTo, Cargo Loading>
+<Security Screening, connectedTo, Next_Generation Air Traffic Management>
+<Security Screening, documents, Fueling Operations>
+<Sustainable Aviation Fuel Development, flies, Cargo Loading>
diff --git a/test/diagrams/graph_medium/diagrams_153.dot b/test/diagrams/graph_medium/diagrams_153.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4b4f2b5d36b85f16674d7678f1da9eacd9a261f6
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_153.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=BT
+	N0 [label="Baggage Handling" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N1 [label="Aircraft De_icing" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N2 [label="Airspace Management" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N3 [label="Pilot Training" color="#EAEFA5" fillcolor="#FDFCEB" shape=inputoutput style=filled]
+	N4 [label="Aircraft Manufacturing" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N5 [label="Sustainable Aviation Fuel Development" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N6 [label="Airworthiness Certification" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N7 [label="Route Optimization" color="#FFC107" fillcolor="#FFECB3" shape=parallelogram style=filled]
+	N8 [label="Runway Management" color="#FFC107" fillcolor="#FFECB3" shape=multipledocuments style=filled]
+	N9 [label="Air Cargo Logistics" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	S1 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Next_Generation Air Traffic Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Next_Generation Air Traffic Management"
+		nest0_0 [label="Gate Assignment" color="#9C27B0" fillcolor="#E1BEE7" shape=multipledocuments style=filled]
+		nest0_1 [label="Ground Support" color="#EAEFA5" fillcolor="#FDFCEB" shape=predefinedprocess style=filled]
+		nest0_2 [label="Engine Overhaul" color="#EAEFA5" fillcolor="#FDFCEB" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#FFC107" penwidth=1.5 style=solid label="assembles" dir=forward]
+	N1 -> N2 [color="#9C27B0" penwidth=1.5 style=solid label="responds" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9C27B0" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#9C27B0" penwidth=1.5 style=solid label="departs" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#FFC107" penwidth=1.5 style=solid label="reports" dir=forward]
+	N5 -> nest0_0 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N0 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	nest0_1 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N2 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed label="flies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_154.dot b/test/diagrams/graph_medium/diagrams_154.dot
new file mode 100644
index 0000000000000000000000000000000000000000..160dd5e0ce7ea8682f54a13c1391de5132da2ee4
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_154.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=TB
+	N0 [label="Geofencing" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N1 [label="Indoor Navigation" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N2 [label="Lane Guidance" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N3 [label="Location_Based Services" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N4 [label="Dead Reckoning" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N5 [label="Points of Interest Search" color="#BDAFA8" fillcolor="#E4E0DF" shape=rect style=filled]
+	N6 [label="Hazard Alerts" color="#FFC085" fillcolor="#FFDAB9" shape=predefinedprocess style=filled]
+	N7 [label="GPS Positioning" color="#BDAFA8" fillcolor="#E4E0DF" shape=parallelogram style=filled]
+	N8 [label="Traffic Information" color="#BDAFA8" fillcolor="#E4E0DF" shape=inputoutput style=filled]
+	S0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Real_Time Re_routing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Real_Time Re_routing"
+		nest0_0 [label="Waypoint Setting" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+		nest0_1 [label="Marine Charting" color="#BDAFA8" fillcolor="#E4E0DF" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFC085" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N2 -> N3 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=dashed label="identifies" dir=forward]
+	N6 -> N7 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#BDAFA8" penwidth=1.5 style=solid label="plans" dir=forward]
+	nest0_1 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid label="communicates" dir=forward]
+	S0 -> N2 [color="#6EB76D" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#BDAFA8" penwidth=1.5 style=solid label="transmits" dir=forward]
+	N4 -> M0 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	M0 -> N8 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_157.txt b/test/diagrams/graph_medium/diagrams_157.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23dfd3ee896103bedd8bf98b48bbbb1a855846cd
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_157.txt
@@ -0,0 +1,21 @@
+<Construction 3D Printing, connectedTo, On_Demand Production>
+<Consumer Product Creation, connectedTo, Direct Metal Laser Sintering>
+<Consumer Product Creation, connectedTo, Slicing Software Operation>
+<Digital Twin for 3D Prints, scans, Mass Customization>
+<Direct Metal Laser Sintering, connectedTo, Multi_Material Printing>
+<Distributed Manufacturing, creates, File Format Conversion>
+<File Format Conversion, connectedTo, Consumer Product Creation>
+<Intellectual Property Protection for Designs, connectedTo, Prototyping>
+<Mass Customization, connectedTo, Distributed Manufacturing>
+<Medical Device Prototyping, connectedTo, Construction 3D Printing>
+<Multi_Material Printing, engineers, Maintenance and Repair of Printers>
+<On_Demand Production, connectedTo, Scaffolding for Tissue Engineering>
+<On_Demand Production, designs, Distributed Manufacturing>
+<Post_Processing, connectedTo, Distributed Manufacturing>
+<Post_Processing, connectedTo, Medical Device Prototyping>
+<Prototyping, connectedTo, Digital Twin for 3D Prints>
+<Reverse Engineering with 3D Printing, connectedTo, Direct Metal Laser Sintering>
+<Scaffolding for Tissue Engineering, connectedTo, File Format Conversion>
+<Scaffolding for Tissue Engineering, connectedTo, Intellectual Property Protection for Designs>
+<Scaffolding for Tissue Engineering, connectedTo, Multi_Material Printing>
+<Slicing Software Operation, controls, Reverse Engineering with 3D Printing>
diff --git a/test/diagrams/graph_medium/diagrams_159.txt b/test/diagrams/graph_medium/diagrams_159.txt
new file mode 100644
index 0000000000000000000000000000000000000000..35928b6dc5e080dd952dc11996b87f74b5783667
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_159.txt
@@ -0,0 +1,17 @@
+<3D Model Design, connectedTo, Digital Twin for 3D Prints>
+<Construction 3D Printing, connectedTo, Slicing Software Operation>
+<Digital Twin for 3D Prints, connectedTo, Food Printing>
+<Distributed Manufacturing, connectedTo, Printing Process>
+<Food Printing, connectedTo, Material Selection>
+<Food Printing, connectedTo, Print Farm Management>
+<Fused Deposition Modeling, monitors, Printer Setup>
+<Material Selection, connectedTo, Printing Parameter Optimization>
+<Medical Device Prototyping, connectedTo, Construction 3D Printing>
+<Print Farm Management, enhances, Medical Device Prototyping>
+<Printer Setup, connectedTo, Medical Device Prototyping>
+<Printer Setup, connectedTo, Print Farm Management>
+<Printer Setup, slices, Distributed Manufacturing>
+<Printing Parameter Optimization, connectedTo, 3D Model Design>
+<Printing Process, creates, Medical Device Prototyping>
+<Printing Process, finishes, Slicing Software Operation>
+<Printing Process, licenses, Food Printing>
diff --git a/test/diagrams/graph_medium/diagrams_160.dot b/test/diagrams/graph_medium/diagrams_160.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bb2834d00de18db59e427b7e1bc9d7f6bb2ed46b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_160.dot
@@ -0,0 +1,56 @@
+digraph {
+	rankdir=TB
+	N0 [label="Quantum Dots" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	N1 [label="Advanced Materials Research" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N2 [label="Solar Cell Efficiency Enhancement" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	N3 [label="Carbon Nanotube Synthesis" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N4 [label="Nanotoxicology" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N5 [label="Nanosensors" color="#90A4AE" fillcolor="#ECEFF1" shape=preparation style=filled]
+	N6 [label="Regulatory Framework for Nanotech" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N7 [label="Water Purification using Nanomaterials" color="#7E57C2" fillcolor="#D1C4E9" shape=vnode_shape style=filled]
+	N8 [label="Nanomedicine Development" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N9 [label="Nanomaterial Synthesis" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N10 [label="Nanoscale Imaging" color="#90A4AE" fillcolor="#ECEFF1" shape=inputoutput style=filled]
+	N11 [label="Risk Assessment of Nanomaterials" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N12 [label="X_ray Diffraction" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N13 [label="Nanocoatings" color="#7E57C2" fillcolor="#D1C4E9" shape=action style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Quantum Computing Integration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Quantum Computing Integration"
+		nest0_0 [label="Bio_Nanotechnology Interface" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+		nest0_1 [label="Spintronics" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N1 -> N2 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#2196F3" penwidth=1.5 style=dashed label="commercializes" dir=forward]
+	N10 -> N11 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#7E57C2" penwidth=1.5 style=solid label="assesses" dir=forward]
+	N12 -> N13 [color="#2196F3" penwidth=1.5 style=solid label="deposits" dir=forward]
+	nest0_0 -> nest0_1 [color="#90A4AE" penwidth=1.5 style=solid label="assembles" dir=forward]
+	N2 -> nest0_0 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N9 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> S1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=dashed label="purifies" dir=forward]
+	S1 -> N6 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	M0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N5 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_163.dot b/test/diagrams/graph_medium/diagrams_163.dot
new file mode 100644
index 0000000000000000000000000000000000000000..687a2681d88ccbe38b75e1c3935fcba2ddde6ea1
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_163.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=BT
+	N0 [label="Quantum Advantage Demonstration" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N1 [label="Decoherence Mitigation" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+	N2 [label="Quantum Bit Design" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N3 [label="Quantum Computing in Drug Discovery" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N4 [label="Quantum Simulation" color="#673AB7" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N5 [label="Quantum Network Development" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N6 [label="Quantum Key Distribution" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+	M0 [label="" color="#AED581" fillcolor="#F0F4C3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Topological Qubits {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Topological Qubits"
+		nest0_0 [label="Quantum Computing for AI" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+		nest0_1 [label="Quantum Cloud Computing Services" color="#AED581" fillcolor="#F0F4C3" shape=parallelogram style=filled]
+		nest0_2 [label="Quantum Teleportation Research" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+		nest0_3 [label="Microwave Control for Qubits" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#AED581" penwidth=1.5 style=solid label="processes" dir=forward]
+	N1 -> N2 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=solid label="downloads" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#673AB7" penwidth=1.5 style=solid label="protects" dir=forward]
+	nest0_2 -> nest0_3 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N2 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	M0 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N4 [color="#000000" penwidth=1.5 style=solid label="validates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_165.txt b/test/diagrams/graph_medium/diagrams_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b40f09e908a09aa7214a43c8cb7b56aaa6597bc0
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_165.txt
@@ -0,0 +1,21 @@
+<Cryogenic Systems for Qubits, connectedTo, Post_Quantum Cryptography>
+<Decoherence Mitigation, connectedTo, Quantum Circuit Design>
+<Decoherence Mitigation, connectedTo, Quantum Coherence Management>
+<Decoherence Mitigation, connectedTo, Quantum Computing in Drug Discovery>
+<Decoherence Mitigation, implements, Quantum Computing in Drug Discovery>
+<Microwave Control for Qubits, connectedTo, Cryogenic Systems for Qubits>
+<Microwave Control for Qubits, connectedTo, Quantum Cryptography>
+<Post_Quantum Cryptography, verifies, Quantum Error Correction>
+<Quantum Circuit Design, analyzes, Quantum Communication Protocols>
+<Quantum Coherence Management, benchmarks, Quantum Cryptography>
+<Quantum Coherence Management, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Coherence Management, connectedTo, Quantum Programming Languages>
+<Quantum Coherence Management, designs, Microwave Control for Qubits>
+<Quantum Communication Protocols, debugs, Microwave Control for Qubits>
+<Quantum Computing in Drug Discovery, connectedTo, Quantum Programming Languages>
+<Quantum Cryptography, connectedTo, Quantum Network Development>
+<Quantum Error Correction, connectedTo, Quantum Circuit Design>
+<Quantum Error Correction, connectedTo, Quantum Cryptography>
+<Quantum Machine Learning, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Machine Learning, simulates, Decoherence Mitigation>
+<Quantum Programming Languages, connectedTo, Quantum Error Correction>
diff --git a/test/diagrams/graph_medium/diagrams_17.txt b/test/diagrams/graph_medium/diagrams_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c50294f540f73d50eef61924efa1b490bf89856e
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_17.txt
@@ -0,0 +1,21 @@
+<Accident Reconstruction, licenses, Fueling>
+<Air Traffic Control, connectedTo, Load Balancing>
+<Air Traffic Control, connectedTo, Ticket Purchase>
+<Arrival, connectedTo, Bridge Inspection>
+<Bus Stop Management, connectedTo, Road Network Management>
+<Delay Alert, connectedTo, Driver Allocation>
+<Delay Alert, connectedTo, Fueling>
+<Delay Alert, dispatches, Location Input>
+<Driver Allocation, connectedTo, Weather Impact Assessment>
+<Electric Vehicle Charging, routes, Accident Reconstruction>
+<Fueling, connectedTo, Bus Stop Management>
+<Incident Report, updates, Ticket Purchase>
+<Load Balancing, connectedTo, Security Check>
+<Location Input, connectedTo, Electric Vehicle Charging>
+<Passenger Feedback, boards, Schedule Generation>
+<Passenger Feedback, connectedTo, Security Check>
+<Road Network Management, connectedTo, Driver Allocation>
+<Schedule Generation, unloads, Air Traffic Control>
+<Security Check, repairs, Incident Report>
+<Ticket Purchase, connectedTo, Arrival>
+<Weather Impact Assessment, connectedTo, Passenger Feedback>
diff --git a/test/diagrams/graph_medium/diagrams_174.txt b/test/diagrams/graph_medium/diagrams_174.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a780a6090c3884d662deeff2fe5e7574209df9a
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_174.txt
@@ -0,0 +1,20 @@
+<Beat Making, connectedTo, Fan Engagement Strategy>
+<Fan Engagement Strategy, connectedTo, Music Production>
+<Instrumental Performance, connectedTo, Synthesizer Programming>
+<Lyric Writing, connectedTo, Music Publishing>
+<Lyric Writing, connectedTo, Vocal Performance>
+<Mastering, critiques, Record Label Operations>
+<Merchandise Sales, connectedTo, Music Video Production>
+<Merchandise Sales, educates, Music Publishing>
+<Merchandise Sales, scores, Music Distribution>
+<Mixing, connectedTo, Music Festival Organization>
+<Music Distribution, plays, Mastering>
+<Music Production, connectedTo, Instrumental Performance>
+<Music Production, connectedTo, Synthesizer Programming>
+<Music Production, mixes, Music Festival Organization>
+<Music Publishing, connectedTo, Music for Film or TV or Games>
+<Music Video Production, connectedTo, Music Publishing>
+<Music for Film or TV or Games, connectedTo, Record Label Operations>
+<Record Label Operations, connectedTo, Beat Making>
+<Synthesizer Programming, connectedTo, Mixing>
+<Vocal Performance, therapies, Merchandise Sales>
diff --git a/test/diagrams/graph_medium/diagrams_179.txt b/test/diagrams/graph_medium/diagrams_179.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f1c0d4812d293bcff0ec699b9c9ec4b6f3b71b25
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_179.txt
@@ -0,0 +1,23 @@
+<Blog Post Writing, edits, Content Repurposing>
+<Branding, connectedTo, Drafting Content>
+<Branding, connectedTo, Search Engine Optimization>
+<Branding, optimizes, Influencer Collaboration>
+<Content Management System Operation, connectedTo, Search Engine Optimization>
+<Content Management System Operation, curates, Videography>
+<Content Management System Operation, moderates, Influencer Collaboration>
+<Content Repurposing, connectedTo, Plagiarism Checking>
+<Drafting Content, connectedTo, Search Engine Optimization>
+<E_book Writing, connectedTo, Audio Recording>
+<Fact_Checking, personalizes, Content Management System Operation>
+<Influencer Collaboration, connectedTo, Video Scripting>
+<Influencer Collaboration, localizes, Photography>
+<Interview Conduct, connectedTo, Drafting Content>
+<Interview Conduct, connectedTo, Podcast Production>
+<Live Streaming Content, connectedTo, E_book Writing>
+<Photography, distributes, Live Streaming Content>
+<Plagiarism Checking, connectedTo, Interview Conduct>
+<Podcast Production, audios, Drafting Content>
+<Podcast Production, connectedTo, Fact_Checking>
+<Search Engine Optimization, connectedTo, Influencer Collaboration>
+<Video Scripting, connectedTo, Audio Recording>
+<Videography, connectedTo, Branding>
diff --git a/test/diagrams/graph_medium/diagrams_181.dot b/test/diagrams/graph_medium/diagrams_181.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ba1f379662f3e38e6351e673da8fcf8f3d9cdf77
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_181.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=RL
+	N0 [label="Dashboard Creation" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N1 [label="Operational Efficiency Metrics" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N2 [label="ETL Process Management" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+	N3 [label="Financial Data Analysis" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N4 [label="Data Cleaning" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N5 [label="Data Storytelling" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N6 [label="Sales Performance Analysis" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+	N7 [label="Machine Learning Integration" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N8 [label="Data Warehouse Design" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N9 [label="Healthcare Data Analysis" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N10 [label="Data Pipeline Development" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	S0 [label="" color="#F44336" fillcolor="#FFCDD2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFE470" fillcolor="#FFFAE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Prescriptive Analytics {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Prescriptive Analytics"
+		nest0_0 [label="Data Governance" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+		nest0_1 [label="Social Media Analytics" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	}
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> nest0_0 [color="#FFE470" penwidth=1.5 style=dashed label="pipelines" dir=forward]
+	nest0_1 -> N8 [color="#F44336" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N5 -> S0 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#F44336" penwidth=1.5 style=solid label="models" dir=forward]
+	S0 -> N7 [color="#A2D0FF" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N2 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#A2D0FF" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N0 -> M0 [color="#FFE470" penwidth=1.5 style=solid label="implements" dir=forward]
+	M0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_182.txt b/test/diagrams/graph_medium/diagrams_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d854958789c3145ce5fb0a4c7c6c1de0b1ea6f4
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_182.txt
@@ -0,0 +1,18 @@
+<Cloud_based Data Platforms, connectedTo, Data Transformation>
+<Data Cleaning, connectedTo, A or B Testing Analysis>
+<Data Collection, connectedTo, Risk Analytics>
+<Data Collection, mines, Data Security Best Practices>
+<Data Mining, connectedTo, A or B Testing Analysis>
+<Data Mining, connectedTo, Data Collection>
+<Data Mining, connectedTo, Data Security Best Practices>
+<Data Mining, predicts, Text Analytics>
+<Data Mining, reports, A or B Testing Analysis>
+<Data Quality Assurance, prepares, Cloud_based Data Platforms>
+<Data Security Best Practices, connectedTo, Time Series Forecasting>
+<Data Storytelling, collects, A or B Testing Analysis>
+<Data Storytelling, connectedTo, Text Analytics>
+<Data Transformation, stores, Data Storytelling>
+<Risk Analytics, connectedTo, Data Quality Assurance>
+<Text Analytics, governs, Data Cleaning>
+<Time Series Forecasting, connectedTo, A or B Testing Analysis>
+<Time Series Forecasting, connectedTo, Data Storytelling>
diff --git a/test/diagrams/graph_medium/diagrams_186.dot b/test/diagrams/graph_medium/diagrams_186.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e52b582515556e964913b6e06f297b0323dfa27e
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_186.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=BT
+	N0 [label="Query Optimization" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N1 [label="Competitive Analysis" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N2 [label="Embedded Analytics" color="#00BCD4" fillcolor="#B2EBF2" shape=inputoutput style=filled]
+	N3 [label="Self_Service BI Tools" color="#00BCD4" fillcolor="#B2EBF2" shape=database style=filled]
+	N4 [label="Dashboard Design" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N5 [label="Report Automation" color="#FFCC7A" fillcolor="#FFF6D9" shape=preparation style=filled]
+	N6 [label="Mobile BI Development" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N7 [label="BI Platform Administration" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N8 [label="ETL Development" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N9 [label="Data Security in BI" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N10 [label="Data Modeling" color="#FFCC7A" fillcolor="#FFF6D9" shape=action style=filled]
+	N11 [label="Operational Efficiency Measurement" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N12 [label="KPI Definition" color="#7E57C2" fillcolor="#D1C4E9" shape=action style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Regulatory Compliance Reporting {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Regulatory Compliance Reporting"
+		nest0_0 [label="OLAP Cube Creation" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+		nest0_1 [label="Cloud BI Solutions" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFCC7A" penwidth=1.5 style=solid label="models" dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=solid label="strategies" dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=dashed label="defines" dir=forward]
+	N7 -> N8 [color="#7E57C2" penwidth=1.5 style=solid label="warehouses" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#FFCC7A" penwidth=1.5 style=dashed label="OLAPs" dir=forward]
+	N11 -> N12 [color="#00BCD4" penwidth=1.5 style=dashed label="extracts" dir=forward]
+	nest0_0 -> nest0_1 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N1 [color="#00BCD4" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N2 -> S0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S1 -> N12 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> M0 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	M0 -> N10 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_195.dot b/test/diagrams/graph_medium/diagrams_195.dot
new file mode 100644
index 0000000000000000000000000000000000000000..450c43305ea9f015cc325cba88c8f25fb3b784b6
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_195.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=BT
+	N0 [label="Digital Identity Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N1 [label="Real Estate Tokenization" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N2 [label="Consensus Mechanism Development" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N3 [label="Oracles Integration" color="#A1D7CD" fillcolor="#EDF5F3" shape=action style=filled]
+	N4 [label="Security Token Offerings" color="#80DDEA" fillcolor="#D3F7F9" shape=vnode_shape style=filled]
+	N5 [label="Enterprise Blockchain Solutions" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N6 [label="Distributed Ledger Technology" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N7 [label="Smart Contract Development" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+	N8 [label="Decentralized Finance Protocols" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N9 [label="Security Auditing for Blockchains" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N10 [label="Public Blockchain Deployment" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N11 [label="Gaming on Blockchain" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N12 [label="Scalability Solutions" color="#FFE470" fillcolor="#FFFAE0" shape=rectangle style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#80DDEA" fillcolor="#D3F7F9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Transaction Verification {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Transaction Verification"
+		nest0_0 [label="Decentralized Applications Development" color="#80DDEA" fillcolor="#D3F7F9" shape=preparation style=filled]
+		nest0_1 [label="Tokenomics Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+		nest0_2 [label="Interoperability Solutions" color="#80DDEA" fillcolor="#D3F7F9" shape=rectangle style=filled]
+		nest0_3 [label="Governance Models for Blockchains" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="traces provenance" dir=forward]
+	N1 -> N2 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=solid label="ensures interoperability" dir=forward]
+	N3 -> N4 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#A1D7CD" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#80DDEA" penwidth=1.5 style=solid label="governs DAOs" dir=forward]
+	N11 -> N12 [color="#FFE470" penwidth=1.5 style=dashed label="protects IPs" dir=forward]
+	nest0_0 -> nest0_1 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=solid label="secures health data" dir=forward]
+	nest0_3 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> S0 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#000000" penwidth=1.5 style=solid label="integrates systems" dir=forward]
+	S0 -> N12 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N2 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_198.txt b/test/diagrams/graph_medium/diagrams_198.txt
new file mode 100644
index 0000000000000000000000000000000000000000..40e000c8cbbb97b70e8f931100e2f1f695f17615
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_198.txt
@@ -0,0 +1,22 @@
+<Airdrop Campaigns, borrows capital, Tax Reporting for Crypto>
+<Blockchain Integration, connectedTo, Custodial Services>
+<Cold Storage Solutions, audits smart contracts, NFT Marketplace Development>
+<Cold Storage Solutions, connectedTo, Community Building>
+<Community Building, connectedTo, Fiat On or Off Ramps>
+<Community Building, connectedTo, Key Management>
+<Community Building, connectedTo, Transaction Processing>
+<Cryptocurrency Education, connectedTo, Token Generation Event>
+<Custodial Services, connectedTo, Cold Storage Solutions>
+<Custodial Services, connectedTo, NFT Marketplace Development>
+<Decentralized Exchange Operation, connectedTo, Blockchain Integration>
+<Decentralized Exchange Operation, optimizes investments, Airdrop Campaigns>
+<Fiat On or Off Ramps, connectedTo, Market Analysis>
+<Interoperability Solutions, connectedTo, Custodial Services>
+<Key Management, connectedTo, Transaction Processing>
+<Market Analysis, develops exchanges, Cryptocurrency Education>
+<Smart Contract Auditing, connectedTo, Fiat On or Off Ramps>
+<Staking, connectedTo, Decentralized Exchange Operation>
+<Tax Reporting for Crypto, builds Web3 applications, Web3 Integration>
+<Token Generation Event, connectedTo, NFT Marketplace Development>
+<Transaction Processing, distributes airdrops, Smart Contract Auditing>
+<Web3 Integration, connectedTo, Interoperability Solutions>
diff --git a/test/diagrams/graph_medium/diagrams_2.dot b/test/diagrams/graph_medium/diagrams_2.dot
new file mode 100644
index 0000000000000000000000000000000000000000..26f5a78bfda74046a019edd500502becb21ad0e5
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_2.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=RL
+	N0 [label="Dispute Resolution" color="#FFE69C" fillcolor="#FFF9D4" shape=predefinedprocess style=filled]
+	N1 [label="Blockchain Verification" color="#FFE69C" fillcolor="#FFF9D4" shape=rectangle style=filled]
+	N2 [label="Financial Advisory" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N3 [label="Fund Disbursement" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N4 [label="Budgeting Analysis" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N5 [label="Transaction Audit" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N6 [label="Payment Gateway Integration" color="#64B5F6" fillcolor="#E3F2FD" shape=inputoutput style=filled]
+	N7 [label="Income Verification" color="#64B5F6" fillcolor="#E3F2FD" shape=rect style=filled]
+	N8 [label="Wealth Management" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N9 [label="Credit Card Application" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N10 [label="Venture Capital Funding" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	N11 [label="Market Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N12 [label="Interest Calculation" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	S0 [label="" color="#64B5F6" fillcolor="#E3F2FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Treasury Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Treasury Management"
+		nest0_0 [label="Loan Processing" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+		nest0_1 [label="Financial Reporting" color="#81C784" fillcolor="#F1F8E9" shape=database style=filled]
+		nest0_2 [label="Fraud Check" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#64B5F6" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=solid label="disburses" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFE69C" penwidth=1.5 style=solid label="loans" dir=forward]
+	N10 -> N11 [color="#64B5F6" penwidth=1.5 style=solid label="underwrites" dir=forward]
+	N11 -> N12 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#FFE69C" penwidth=1.5 style=dashed label="complies" dir=forward]
+	nest0_2 -> N7 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N6 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#FFE69C" penwidth=1.5 style=dashed label="screens" dir=forward]
+	N3 -> M0 [color="#FFE69C" penwidth=1.5 style=solid label="adjudicates" dir=forward]
+	N7 -> M0 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid label="recommends" dir=forward]
+	M0 -> N9 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_20.dot b/test/diagrams/graph_medium/diagrams_20.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9d74c64a2963194230400f91a6299df1737601a7
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_20.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=TB
+	N0 [label="Demand Forecast" color="#A188DB" fillcolor="#DED7F0" shape=action style=filled]
+	N1 [label="Fuel Delivery" color="#A188DB" fillcolor="#DED7F0" shape=vnode_shape style=filled]
+	N2 [label="Energy Market Analysis" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N3 [label="Load Distribution" color="#673AB7" fillcolor="#D1C4E9" shape=rect style=filled]
+	N4 [label="Load Shedding" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N5 [label="Solar Panel Installation" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N6 [label="Wind Turbine Monitoring" color="#A188DB" fillcolor="#DED7F0" shape=hexagon style=filled]
+	S0 [label="" color="#A188DB" fillcolor="#DED7F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#A188DB" fillcolor="#DED7F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Alert Dispatch {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Alert Dispatch"
+		nest0_0 [label="Battery Monitoring" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+		nest0_1 [label="Peak Shaving" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+		nest0_2 [label="Transformer Station" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+		nest0_3 [label="Circuit Breaker Operation" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	}
+	N0 -> N1 [color="#673AB7" penwidth=1.5 style=dashed label="reads" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=dashed label="isolates" dir=forward]
+	N3 -> N4 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#673AB7" penwidth=1.5 style=dashed label="stores" dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N1 -> M1 [color="#673AB7" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N0 -> M1 [color="#A188DB" penwidth=1.5 style=dashed label="measures" dir=forward]
+	M1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_20.txt b/test/diagrams/graph_medium/diagrams_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..48ba05f170845119386ddd922a571ddbce024eab
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_20.txt
@@ -0,0 +1,15 @@
+<Battery Monitoring, connectedTo, Peak Shaving>
+<Circuit Breaker Operation, connectedTo, Load Shedding>
+<Demand Forecast, measures, Solar Panel Installation>
+<Demand Forecast, reads, Fuel Delivery>
+<Energy Market Analysis, connectedTo, Battery Monitoring>
+<Energy Market Analysis, connectedTo, Load Shedding>
+<Energy Market Analysis, isolates, Load Distribution>
+<Energy Market Analysis, researches, Wind Turbine Monitoring>
+<Fuel Delivery, connectedTo, Energy Market Analysis>
+<Fuel Delivery, markets, Solar Panel Installation>
+<Load Distribution, connectedTo, Load Shedding>
+<Load Shedding, connectedTo, Solar Panel Installation>
+<Peak Shaving, connectedTo, Transformer Station>
+<Solar Panel Installation, connectedTo, Wind Turbine Monitoring>
+<Transformer Station, stores, Circuit Breaker Operation>
diff --git a/test/diagrams/graph_medium/diagrams_200.txt b/test/diagrams/graph_medium/diagrams_200.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f226ccedc205c635a7eba5ed727759c8b22b16d0
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_200.txt
@@ -0,0 +1,22 @@
+<Campaign Creation, creates campaigns, Video Production for Campaigns>
+<Community Building, connectedTo, Marketing Strategy>
+<Community Building, protects IP, Manufacturing Planning>
+<Customer Support for Backers, connectedTo, Securities Regulations Adherence>
+<Debt Crowdfunding, collects donations, Community Building>
+<Due Diligence for Projects, calculates taxes, Campaign Creation>
+<Email List Building, connectedTo, Platform Fee Management>
+<Funding Period Management, connectedTo, Investor Verification>
+<Manufacturing Planning, connectedTo, Email List Building>
+<Manufacturing Planning, connectedTo, Platform Fee Management>
+<Manufacturing Planning, connectedTo, Video Production for Campaigns>
+<Marketing Strategy, connectedTo, Product Development Lifecycle>
+<Payment Processing, connectedTo, Community Building>
+<Payment Processing, handles logistics, Due Diligence for Projects>
+<Platform Fee Management, connectedTo, Due Diligence for Projects>
+<Press Outreach, performs due diligence, Payment Processing>
+<Product Development Lifecycle, measures success, Debt Crowdfunding>
+<Securities Regulations Adherence, connectedTo, Due Diligence for Projects>
+<Securities Regulations Adherence, connectedTo, Email List Building>
+<Securities Regulations Adherence, connectedTo, Platform Fee Management>
+<Securities Regulations Adherence, updates progress, Press Outreach>
+<Video Production for Campaigns, connectedTo, Funding Period Management>
diff --git a/test/diagrams/graph_medium/diagrams_201.dot b/test/diagrams/graph_medium/diagrams_201.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d13e5cc6656ee4a259550bac786e3dae2a22b763
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_201.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=RL
+	N0 [label="Due Diligence for Projects" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N1 [label="International Crowdfunding" color="#FFB74D" fillcolor="#FFF3E0" shape=rect style=filled]
+	N2 [label="Marketing Strategy" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N3 [label="Donation_Based Crowdfunding" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N4 [label="Legal Compliance" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N5 [label="Financial Projection Analysis" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+	N6 [label="Video Production for Campaigns" color="#A188D0" fillcolor="#DACBE3" shape=rect style=filled]
+	N7 [label="Project Vetting" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N8 [label="Platform Selection" color="#FFB74D" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N9 [label="Goal Setting" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N10 [label="Pitch Deck Preparation" color="#C2B2F0" fillcolor="#EFE6FF" shape=multipledocuments style=filled]
+	N11 [label="Fulfillment Planning" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	S0 [label="" color="#FFB74D" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#A188D0" fillcolor="#DACBE3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Tax Implications of Crowdfunding {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Tax Implications of Crowdfunding"
+		nest0_0 [label="Social Media Promotion" color="#A188D0" fillcolor="#DACBE3" shape=preparation style=filled]
+		nest0_1 [label="Equity Crowdfunding" color="#A188D0" fillcolor="#DACBE3" shape=database style=filled]
+		nest0_2 [label="Funding Period Management" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="adheres to regulations" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#C2B2F0" penwidth=1.5 style=dashed label="builds communities" dir=forward]
+	N9 -> N10 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N10 -> nest0_0 [color="#000000" penwidth=1.5 style=solid label="prepares pitches" dir=forward]
+	nest0_2 -> N10 [color="#FFB74D" penwidth=1.5 style=solid label="performs due diligence" dir=forward]
+	N4 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FFB74D" penwidth=1.5 style=dashed label="facilitates equity" dir=forward]
+	N4 -> S1 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#FFB74D" penwidth=1.5 style=solid label="manages escrows" dir=forward]
+	S1 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_201.txt b/test/diagrams/graph_medium/diagrams_201.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17ebab6b29ea3b20cc14cf9a40ea44dc4cf79319
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_201.txt
@@ -0,0 +1,20 @@
+<Donation_Based Crowdfunding, connectedTo, Legal Compliance>
+<Due Diligence for Projects, adheres to regulations, International Crowdfunding>
+<Equity Crowdfunding, connectedTo, Funding Period Management>
+<Financial Projection Analysis, connectedTo, Video Production for Campaigns>
+<Funding Period Management, performs due diligence, Pitch Deck Preparation>
+<Goal Setting, connectedTo, Pitch Deck Preparation>
+<International Crowdfunding, connectedTo, Marketing Strategy>
+<Legal Compliance, connectedTo, Financial Projection Analysis>
+<Legal Compliance, connectedTo, Pitch Deck Preparation>
+<Legal Compliance, connectedTo, Platform Selection>
+<Legal Compliance, connectedTo, Video Production for Campaigns>
+<Legal Compliance, facilitates equity, Project Vetting>
+<Legal Compliance, manages escrows, Goal Setting>
+<Marketing Strategy, connectedTo, Donation_Based Crowdfunding>
+<Pitch Deck Preparation, connectedTo, Fulfillment Planning>
+<Pitch Deck Preparation, prepares pitches, Social Media Promotion>
+<Platform Selection, builds communities, Goal Setting>
+<Project Vetting, connectedTo, Platform Selection>
+<Social Media Promotion, connectedTo, Equity Crowdfunding>
+<Video Production for Campaigns, connectedTo, Project Vetting>
diff --git a/test/diagrams/graph_medium/diagrams_203.dot b/test/diagrams/graph_medium/diagrams_203.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a02c42b8dbb8376ed2a5ce87caca77b9e11d4f6b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_203.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=LR
+	N0 [label="Smart Manufacturing" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N1 [label="Device Prototyping" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N2 [label="Healthcare IoT Devices" color="#FFEB3B" fillcolor="#FFF9C4" shape=document style=filled]
+	N3 [label="Data Privacy in IoT" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	N4 [label="Environmental Monitoring" color="#F7BEE0" fillcolor="#FAEBF3" shape=rectangle style=filled]
+	N5 [label="Connectivity Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N6 [label="AI at the Edge" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	N7 [label="Supply Chain Optimization" color="#FFEB3B" fillcolor="#FFF9C4" shape=predefinedprocess style=filled]
+	N8 [label="Data Analysis in Cloud" color="#BDBDBD" fillcolor="#F5F5F5" shape=diamond style=filled]
+	N9 [label="Retail IoT" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	N10 [label="Firmware Updates" color="#F7BEE0" fillcolor="#FAEBF3" shape=vnode_shape style=filled]
+	S0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#F7BEE0" fillcolor="#FAEBF3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Data Processing at Edge {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Data Processing at Edge"
+		nest0_0 [label="Predictive Maintenance" color="#F7BEE0" fillcolor="#FAEBF3" shape=predefinedprocess style=filled]
+		nest0_1 [label="Edge Computing for IoT" color="#F7BEE0" fillcolor="#FAEBF3" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#BDBDBD" penwidth=1.5 style=dashed label="manages power" dir=forward]
+	N2 -> N3 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#BDBDBD" penwidth=1.5 style=dashed label="prototypes devices" dir=forward]
+	N9 -> N10 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N9 [color="#000000" penwidth=1.5 style=solid label="updates firmware" dir=forward]
+	N6 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#BDBDBD" penwidth=1.5 style=solid label="enables wearables" dir=forward]
+	N1 -> S1 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#FFEB3B" penwidth=1.5 style=dashed label="monitors healthcare" dir=forward]
+	S1 -> N3 [color="#F7BEE0" penwidth=1.5 style=solid label="deploys gateways" dir=forward]
+	N5 -> M0 [color="#F7BEE0" penwidth=1.5 style=dashed label="tracks assets" dir=forward]
+	N0 -> M0 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	M0 -> N7 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_209.txt b/test/diagrams/graph_medium/diagrams_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..470e484e4cc70f94bd2d5c4ea219f16ab734ed91
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_209.txt
@@ -0,0 +1,21 @@
+<API Management in Cloud, connectedTo, Cloud_based VPN Setup>
+<API Management in Cloud, connectedTo, Virtual Machine Management>
+<CI or CD Pipelines in Cloud, offers MLaaS, Cloud_based VPN Setup>
+<CI or CD Pipelines in Cloud, secures environments, Machine Learning as a Service>
+<Cloud Backup Solutions, connectedTo, Load Balancing in Cloud>
+<Cloud Migration Strategy, connectedTo, Platform as a Service>
+<Edge_to_Cloud Integration, enables autoscaling, Cloud Backup Solutions>
+<Infrastructure as a Service, configures firewalls, Load Balancing in Cloud>
+<Infrastructure as a Service, connectedTo, CI or CD Pipelines in Cloud>
+<Infrastructure as a Service, connectedTo, Machine Learning as a Service>
+<Load Balancing in Cloud, connectedTo, CI or CD Pipelines in Cloud>
+<Load Balancing in Cloud, connectedTo, Virtual Machine Management>
+<Load Balancing in Cloud, implements FinOps, Cloud Migration Strategy>
+<Machine Learning as a Service, connectedTo, Resource Tagging for Cost Allocation>
+<Machine Learning as a Service, delivers SaaS, Edge_to_Cloud Integration>
+<Platform as a Service, connectedTo, Public Cloud Management>
+<Platform as a Service, manages IAMs, Cloud_based VPN Setup>
+<Public Cloud Management, connectedTo, API Management in Cloud>
+<Public Cloud Management, implements DevOps, Cloud_based VPN Setup>
+<Resource Tagging for Cost Allocation, connectedTo, Cloud_based VPN Setup>
+<Virtual Machine Management, uses marketplaces, CI or CD Pipelines in Cloud>
diff --git a/test/diagrams/graph_medium/diagrams_211.dot b/test/diagrams/graph_medium/diagrams_211.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c2eafaa1d1ed437b0f6d78129e6e9cd2bd90c62c
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_211.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=LR
+	N0 [label="Troubleshooting and Support" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N1 [label="Web Server Configuration" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N2 [label="Virtualization" color="#6FE1D5" fillcolor="#C9EFEC" shape=action style=filled]
+	N3 [label="Data Center Management" color="#00BCD4" fillcolor="#B2EBF2" shape=multipledocuments style=filled]
+	N4 [label="VPN Configuration" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N5 [label="Hardware Maintenance" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N6 [label="Power and Cooling Management" color="#00BCD4" fillcolor="#B2EBF2" shape=rectangle style=filled]
+	N7 [label="IT Asset Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N8 [label="Storage Solutions" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N9 [label="Network Performance Tuning" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+	N10 [label="Environmental Monitoring" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N11 [label="Software Licensing Management" color="#00BCD4" fillcolor="#B2EBF2" shape=document style=filled]
+	N12 [label="Firewall Management" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N13 [label="User Account Management" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#80DDEA" fillcolor="#D3F7F9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Disaster Recovery Planning {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Disaster Recovery Planning"
+		nest0_0 [label="Directory Services" color="#6FE1D5" fillcolor="#C9EFEC" shape=action style=filled]
+		nest0_1 [label="Mail Server Management" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+		nest0_2 [label="Hardware Procurement" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+		nest0_3 [label="Database Administration" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed label="performs backups" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="optimizes environments" dir=forward]
+	N4 -> N5 [color="#80DDEA" penwidth=1.5 style=dashed label="monitors performance" dir=forward]
+	N5 -> N6 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="manages mail servers" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=dashed label="monitors performance" dir=forward]
+	N12 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#80DDEA" penwidth=1.5 style=dashed label="manages power" dir=forward]
+	nest0_1 -> nest0_2 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#6FE1D5" penwidth=1.5 style=dashed label="lays cables" dir=forward]
+	N10 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N13 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#6FE1D5" penwidth=1.5 style=dashed label="manages groups" dir=forward]
+	S0 -> N10 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=dashed label="tracks assets" dir=forward]
+	N4 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_212.dot b/test/diagrams/graph_medium/diagrams_212.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7c44b8941d385aaf3c4f3b44d31310b541d95401
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_212.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=BT
+	N0 [label="Mail Server Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N1 [label="Environmental Monitoring" color="#64B5F6" fillcolor="#E3F2FD" shape=predefinedprocess style=filled]
+	N2 [label="Web Server Configuration" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+	N3 [label="Troubleshooting and Support" color="#4DD0E1" fillcolor="#C9F0F0" shape=preparation style=filled]
+	N4 [label="Firewall Management" color="#64B5F6" fillcolor="#E3F2FD" shape=document style=filled]
+	N5 [label="Network Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N6 [label="Cloud Integration with On_premise" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N7 [label="Software Licensing Management" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+	N8 [label="Rack and Cabinet Management" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N9 [label="Capacity Planning" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+	N10 [label="Virtual Desktop Infrastructure" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	S0 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Operating System Installation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Operating System Installation"
+		nest0_0 [label="Directory Services" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+		nest0_1 [label="Hardware Maintenance" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+		nest0_2 [label="Antivirus and Endpoint Protection" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+		nest0_3 [label="Load Balancer Setup" color="#AB47BC" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#64B5F6" penwidth=1.5 style=dashed label="lays cables" dir=forward]
+	N1 -> N2 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#AB47BC" penwidth=1.5 style=solid label="configures load balancers" dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#AB47BC" penwidth=1.5 style=solid label="virtualizes resources" dir=forward]
+	nest0_0 -> nest0_1 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N5 [color="#64B5F6" penwidth=1.5 style=solid label="plans capacity" dir=forward]
+	N7 -> S0 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#4DD0E1" penwidth=1.5 style=solid label="sets up VPNs" dir=forward]
+	N1 -> M1 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#AB47BC" penwidth=1.5 style=solid label="deploys antiviruses" dir=forward]
+	M1 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_214.txt b/test/diagrams/graph_medium/diagrams_214.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eecee598b2058794b4954047e168f4e5fee3040e
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_214.txt
@@ -0,0 +1,16 @@
+<Canary Releases, connectedTo, Release Management>
+<Chaos Engineering, connectedTo, Code Quality Checks>
+<Chaos Engineering, connectedTo, Release Management>
+<Cloud Native Development, uses IaC, Containerization>
+<Code Quality Checks, connectedTo, Cloud Native Development>
+<Code Quality Checks, connectedTo, Security in DevOps>
+<Containerization, automates quality, Cost Optimization in Cloud DevOps>
+<Cost Optimization in Cloud DevOps, monitors applications, Canary Releases>
+<Feedback Loops, enables CD, Code Quality Checks>
+<GitOps, connectedTo, Chaos Engineering>
+<Immutable Infrastructure, connectedTo, Code Quality Checks>
+<Immutable Infrastructure, connectedTo, GitOps>
+<Immutable Infrastructure, manages immutable infrastructure, Chaos Engineering>
+<Release Management, connectedTo, Code Quality Checks>
+<Release Management, connectedTo, Security in DevOps>
+<Release Management, ensures observability, Feedback Loops>
diff --git a/test/diagrams/graph_medium/diagrams_217.dot b/test/diagrams/graph_medium/diagrams_217.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0564f248702615c0a14a81b70e07ca7110163c4d
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_217.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=RL
+	N0 [label="Performance Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N1 [label="Embedded Systems Development" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N2 [label="Continuous Integration" color="#AB47BC" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N3 [label="Backend Development" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N4 [label="Coding" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N5 [label="Bug Fixing" color="#AF56A6" fillcolor="#DDCEDD" shape=vnode_shape style=filled]
+	N6 [label="Technical Debt Management" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N7 [label="System Design" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N8 [label="User Experience Design" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	N9 [label="System Testing" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N10 [label="Integration Testing" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N11 [label="User Interface Design" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	S0 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Cloud_Native Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Cloud_Native Development"
+		nest0_0 [label="Unit Testing" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+		nest0_1 [label="Data Structures Implementation" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid label="builds backends" dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="manages versions" dir=forward]
+	N9 -> N10 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="deploys applications" dir=forward]
+	nest0_0 -> nest0_1 [color="#FFC085" penwidth=1.5 style=solid label="designs UXs" dir=forward]
+	N7 -> nest0_0 [color="#FFC085" penwidth=1.5 style=dashed label="develops frontends" dir=forward]
+	nest0_1 -> N9 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#AB47BC" penwidth=1.5 style=dashed label="compiles code" dir=forward]
+	N1 -> M0 [color="#AB47BC" penwidth=1.5 style=dashed label="writes unit tests" dir=forward]
+	N3 -> M0 [color="#AB47BC" penwidth=1.5 style=dashed label="manages databases" dir=forward]
+	M0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M1 -> N7 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_219.txt b/test/diagrams/graph_medium/diagrams_219.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c9db55a4c2b3ca56a4c668184d16af3c78cf49fe
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_219.txt
@@ -0,0 +1,28 @@
+<Architecture Planning, implements CD, User Experience Design>
+<Bug Fixing, connectedTo, Mobile Application Development>
+<Bug Fixing, creates UIs, Cloud_Native Development>
+<Cloud_Native Development, connectedTo, Scalability Design>
+<Code Review, connectedTo, Continuous Delivery>
+<Continuous Delivery, connectedTo, Bug Fixing>
+<Continuous Delivery, connectedTo, Cloud_Native Development>
+<Desktop Application Development, connectedTo, Embedded Systems Development>
+<Documentation, connectedTo, Microservices Architecture>
+<Documentation, partOf, Documentation>
+<Embedded Systems Development, connectedTo, User Interface Design>
+<Game Development, connectedTo, Maintenance>
+<Game Development, partOf, Game Development>
+<Maintenance, connectedTo, Cloud_Native Development>
+<Maintenance, uses agile methodologies, Desktop Application Development>
+<Microservices Architecture, connectedTo, Game Development>
+<Microservices Architecture, partOf, Microservices Architecture>
+<Mobile Application Development, connectedTo, Cloud_Native Development>
+<Mobile Application Development, connectedTo, Desktop Application Development>
+<Mobile Application Development, designs software, Web Application Development>
+<Scalability Design, implements security, Architecture Planning>
+<User Experience Design, connectedTo, Desktop Application Development>
+<User Experience Design, connectedTo, Frontend Development>
+<User Experience Design, connectedTo, User Interface Design>
+<User Experience Design, ensures scalability, Documentation>
+<User Interface Design, connectedTo, Frontend Development>
+<Web Application Development, connectedTo, Maintenance>
+<Web Application Development, designs algorithms, Desktop Application Development>
diff --git a/test/diagrams/graph_medium/diagrams_222.dot b/test/diagrams/graph_medium/diagrams_222.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bd8e967c9a45e45bd94fb43e193a89664ed5b129
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_222.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=LR
+	N0 [label="Reliability Testing" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Environmental Testing" color="#64B5F6" fillcolor="#E3F2FD" shape=rect style=filled]
+	N2 [label="Firmware Development" color="#FFF8A6" fillcolor="#FFFDE0" shape=multipledocuments style=filled]
+	N3 [label="Testing and Validation" color="#BA68C8" fillcolor="#F3E5F5" shape=action style=filled]
+	N4 [label="Quality Control" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+	N5 [label="Enclosure Design" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N6 [label="Failure Analysis" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	S0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Signal Integrity Analysis {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Signal Integrity Analysis"
+		nest0_0 [label="High_Speed Digital Design" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+		nest0_1 [label="Mechanical Design Integration" color="#FFF8A6" fillcolor="#FFFDE0" shape=action style=filled]
+		nest0_2 [label="Prototyping" color="#64B5F6" fillcolor="#E3F2FD" shape=action style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="designs enclosures" dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=dashed label="lays out PCBs" dir=forward]
+	N2 -> N3 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="creates documentation" dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N5 -> N6 [color="#64B5F6" penwidth=1.5 style=solid label="designs fixtures" dir=forward]
+	nest0_0 -> nest0_1 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N3 [color="#FFF8A6" penwidth=1.5 style=solid label="develops firmware" dir=forward]
+	N3 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_223.txt b/test/diagrams/graph_medium/diagrams_223.txt
new file mode 100644
index 0000000000000000000000000000000000000000..918055fdd8be305a65360178938e4de50ad3c5d3
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_223.txt
@@ -0,0 +1,21 @@
+<AR or VR Features in Mobile, connectedTo, App Store Optimization>
+<AR or VR Features in Mobile, creates wireframes, Concept Development>
+<Analytics Tracking, connectedTo, Offline Mode Development>
+<Analytics Tracking, connectedTo, Subscription Management>
+<Analytics Tracking, implements notifications, Cloud Backend for Mobile>
+<App Store Optimization, connectedTo, Concept Development>
+<App Store Optimization, connectedTo, User Feedback Collection>
+<Camera Integration, connectedTo, Wireframing>
+<Cloud Backend for Mobile, connectedTo, Camera Integration>
+<Cloud Backend for Mobile, controls IoT devices, Microphone Integration>
+<Concept Development, connectedTo, Offline Mode Development>
+<Concept Development, integrates camera, Push Notification Implementation>
+<Microphone Integration, connectedTo, Offline Mode Development>
+<Offline Mode Development, connectedTo, Subscription Management>
+<Push Notification Implementation, connectedTo, Analytics Tracking>
+<Push Notification Implementation, connectedTo, Microphone Integration>
+<Push Notification Implementation, connectedTo, Offline Mode Development>
+<Push Notification Implementation, connectedTo, Subscription Management>
+<Updates and Maintenance, connectedTo, Subscription Management>
+<User Feedback Collection, connectedTo, Concept Development>
+<Wireframing, manages permissions, Updates and Maintenance>
diff --git a/test/diagrams/graph_medium/diagrams_228.dot b/test/diagrams/graph_medium/diagrams_228.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9aebb574db8401bd6857c1898ffa00435bf14193
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_228.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=TB
+	N0 [label="Link_in_Bio Optimization" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+	N1 [label="Community Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N2 [label="Customer Service on Social Media" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N3 [label="Group Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N4 [label="Performance Analytics" color="#CB9BE1" fillcolor="#F2E6F5" shape=rectangle style=filled]
+	N5 [label="Reputation Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N6 [label="Crisis Management" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+	N7 [label="Story Format Content Creation" color="#B8C0F5" fillcolor="#ECF0FD" shape=vnode_shape style=filled]
+	N8 [label="Reporting and Optimization" color="#B8C0F5" fillcolor="#ECF0FD" shape=rectangle style=filled]
+	N9 [label="Partnership Management on Social" color="#CB9BE1" fillcolor="#F2E6F5" shape=multipledocuments style=filled]
+	N10 [label="Follower Growth Monitoring" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N11 [label="Personal Branding on Social Media" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+	N12 [label="Cross_Promotion" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+	S0 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Brand Voice Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Brand Voice Development"
+		nest0_0 [label="Platform Selection" color="#B8C0F5" fillcolor="#ECF0FD" shape=rectangle style=filled]
+		nest0_1 [label="Paid Social Media Advertising" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	}
+	N0 -> N1 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="manages campaigns" dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="monitors competitors" dir=forward]
+	N7 -> N8 [color="#CB9BE1" penwidth=1.5 style=solid label="monitors trends" dir=forward]
+	N8 -> N9 [color="#CB9BE1" penwidth=1.5 style=solid label="builds personal brands" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#AF56A6" penwidth=1.5 style=dashed label="manages crises" dir=forward]
+	N11 -> N12 [color="#AF56A6" penwidth=1.5 style=solid label="grows followers" dir=forward]
+	nest0_0 -> nest0_1 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> nest0_0 [color="#CB9BE1" penwidth=1.5 style=solid label="runs ads" dir=forward]
+	nest0_1 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_229.dot b/test/diagrams/graph_medium/diagrams_229.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a6177bf7042c2d510f0581c0a49fe42de2bc7770
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_229.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=RL
+	N0 [label="Negative SEO Prevention" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N1 [label="Search Engine Marketing Strategy" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N2 [label="Algorithm Updates Monitoring" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	N3 [label="Semantic Search" color="#64B5F6" fillcolor="#E3F2FD" shape=multipledocuments style=filled]
+	N4 [label="Knowledge Graph Integration" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N5 [label="Off_Page SEO" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N6 [label="Shopping Search" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+	N7 [label="Technical SEO" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+	N8 [label="Query Processing" color="#64B5F6" fillcolor="#E3F2FD" shape=multipledocuments style=filled]
+	N9 [label="Google My Business Management" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N10 [label="Crawling Websites" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N11 [label="Search Console Management" color="#64B5F6" fillcolor="#E3F2FD" shape=multipledocuments style=filled]
+	N12 [label="News Search" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N13 [label="International SEO" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	S0 [label="" color="#A188DB" fillcolor="#DED7F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#64B5F6" fillcolor="#E3F2FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Google Analytics Integration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Google Analytics Integration"
+		nest0_0 [label="Personalized Search Results" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+		nest0_1 [label="Search Result Display" color="#64B5F6" fillcolor="#E3F2FD" shape=action style=filled]
+	}
+	N0 -> N1 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#A188DB" penwidth=1.5 style=solid label="creates content" dir=forward]
+	N3 -> N4 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="improves CTR" dir=forward]
+	N6 -> N7 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="understands intent" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N2 [color="#4DD0E1" penwidth=1.5 style=dashed label="optimizes on_page" dir=forward]
+	N6 -> S0 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M1 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M1 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N12 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_230.txt b/test/diagrams/graph_medium/diagrams_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a827d7ac2375e78622f3789a1313ce23e1d3f530
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_230.txt
@@ -0,0 +1,17 @@
+<Content Quality Assessment, connectedTo, News Search>
+<Indexing Content, connectedTo, Google My Business Management>
+<Indexing Content, connectedTo, Shopping Search>
+<Indexing Content, indexes news, Local SEO>
+<Local SEO, connectedTo, Google My Business Management>
+<Local SEO, connectedTo, Query Processing>
+<Local SEO, improves CTR, Ranking Algorithms>
+<Mobile_First Indexing, connectedTo, Content Quality Assessment>
+<News Search, connectedTo, Local SEO>
+<Off_Page SEO, connectedTo, Mobile_First Indexing>
+<Off_Page SEO, connectedTo, Shopping Search>
+<Off_Page SEO, indexes academic papers, Google My Business Management>
+<Personalized Search Results, connectedTo, Google My Business Management>
+<Query Processing, manages PPC, Ranking Algorithms>
+<Ranking Algorithms, connectedTo, Off_Page SEO>
+<Shopping Search, connectedTo, Google My Business Management>
+<Shopping Search, connectedTo, Personalized Search Results>
diff --git a/test/diagrams/graph_medium/diagrams_234.dot b/test/diagrams/graph_medium/diagrams_234.dot
new file mode 100644
index 0000000000000000000000000000000000000000..63b9a0dc0969af1953667a6a4ecbb8ef03e8225b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_234.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=RL
+	N0 [label="Compliance with Data Protection Regulations" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N1 [label="Biometric Authentication" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N2 [label="User Provisioning" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N3 [label="Federated Identity Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=document style=filled]
+	N4 [label="Privileged Access Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=predefinedprocess style=filled]
+	N5 [label="KYC Integration" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N6 [label="Customer Identity and Access Management" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N7 [label="Data Minimization Principles" color="#388E3C" fillcolor="#F1F8E9" shape=action style=filled]
+	N8 [label="Adaptive Authentication" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N9 [label="Identity as a Service" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	S0 [label="" color="#795548" fillcolor="#D7CCC8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#8C9EFF" fillcolor="#D3D7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Credential Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Credential Management"
+		nest0_0 [label="Single Sign_On" color="#795548" fillcolor="#D7CCC8" shape=predefinedprocess style=filled]
+		nest0_1 [label="Identity Lifecycle Management" color="#388E3C" fillcolor="#F1F8E9" shape=diamond style=filled]
+		nest0_2 [label="Digital Certificates" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="audits access" dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=solid label="issues verifiable credentials" dir=forward]
+	N3 -> N4 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=dashed label="stores attributes" dir=forward]
+	N7 -> N8 [color="#795548" penwidth=1.5 style=dashed label="integrates social logins" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N4 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N6 -> S0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#388E3C" penwidth=1.5 style=dashed label="uses blockchain" dir=forward]
+	N6 -> M1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N9 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_234.txt b/test/diagrams/graph_medium/diagrams_234.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3997132d89648294a96554a3f4b9a58a9a2754ae
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_234.txt
@@ -0,0 +1,16 @@
+<Adaptive Authentication, connectedTo, Identity as a Service>
+<Biometric Authentication, connectedTo, User Provisioning>
+<Compliance with Data Protection Regulations, audits access, Biometric Authentication>
+<Customer Identity and Access Management, connectedTo, Identity as a Service>
+<Customer Identity and Access Management, stores attributes, Data Minimization Principles>
+<Customer Identity and Access Management, uses blockchain, Adaptive Authentication>
+<Data Minimization Principles, connectedTo, Single Sign_On>
+<Data Minimization Principles, integrates social logins, Adaptive Authentication>
+<Digital Certificates, connectedTo, Privileged Access Management>
+<Federated Identity Management, connectedTo, Privileged Access Management>
+<Identity Lifecycle Management, connectedTo, Digital Certificates>
+<KYC Integration, connectedTo, Identity as a Service>
+<KYC Integration, ensures compliance, Customer Identity and Access Management>
+<Privileged Access Management, connectedTo, KYC Integration>
+<Single Sign_On, connectedTo, Identity Lifecycle Management>
+<User Provisioning, issues verifiable credentials, Federated Identity Management>
diff --git a/test/diagrams/graph_medium/diagrams_235.txt b/test/diagrams/graph_medium/diagrams_235.txt
new file mode 100644
index 0000000000000000000000000000000000000000..90d455ec64667da270a3884ae10e07e634e7c0ff
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_235.txt
@@ -0,0 +1,23 @@
+<Accessibility Features, connectedTo, Student Engagement Strategies>
+<Accessibility Features, uses machine learning, Online Tutoring>
+<Accreditation Management, connectedTo, Enrollment and Retention Strategies>
+<Adaptive Learning Technologies, connectedTo, Instructor Training>
+<Adaptive Learning Technologies, uses adaptive systems, Student Engagement Strategies>
+<Blended Learning Models, connectedTo, Accessibility Features>
+<Blended Learning Models, connectedTo, Content Creation>
+<Blended Learning Models, connectedTo, Student Engagement Strategies>
+<Blended Learning Models, creates courses, Student Engagement Strategies>
+<Collaborative Projects, tracks progress, AI in Online Education>
+<Competency_Based Education, uses blockchain for credentials, Course Design>
+<Content Creation, connectedTo, Micro_credential Programs>
+<Course Design, connectedTo, Course Evaluation>
+<Course Evaluation, connectedTo, Collaborative Projects>
+<Enrollment and Retention Strategies, connectedTo, Content Creation>
+<Gamification in Education, connectedTo, Student Engagement Strategies>
+<Instructor Training, connectedTo, Gamification in Education>
+<Interactive Learning Activities, connectedTo, Virtual Field Trips>
+<Micro_credential Programs, connectedTo, Course Evaluation>
+<Micro_credential Programs, offers professional development, Interactive Learning Activities>
+<Online Tutoring, connectedTo, Adaptive Learning Technologies>
+<Student Engagement Strategies, connectedTo, Accreditation Management>
+<Virtual Field Trips, connectedTo, Competency_Based Education>
diff --git a/test/diagrams/graph_medium/diagrams_237.dot b/test/diagrams/graph_medium/diagrams_237.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bd4966d1275fc1e31b6733746bb0fcd78ee70cac
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_237.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=TB
+	N0 [label="Assessment Design" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N1 [label="Instructor Training" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N2 [label="Open Educational Resources Integration" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N3 [label="Bootcamp Development" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N4 [label="Gamification in Education" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N5 [label="Student Progress Tracking" color="#90A4AE" fillcolor="#ECEFF1" shape=preparation style=filled]
+	N6 [label="Synchronous Learning" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N7 [label="Learning Analytics" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N8 [label="Virtual Field Trips" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N9 [label="Adaptive Learning Technologies" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N10 [label="Accessibility Features" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	S0 [label="" color="#92C79A" fillcolor="#E8F0EA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#92C79A" fillcolor="#E8F0EA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#90A4AE" fillcolor="#ECEFF1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Virtual Labs and Simulations {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Virtual Labs and Simulations"
+		nest0_0 [label="Enrollment and Retention Strategies" color="#3F51B5" fillcolor="#C5CAE9" shape=database style=filled]
+		nest0_1 [label="Parent or Guardian Communication" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="provides feedback" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#90A4AE" penwidth=1.5 style=dashed label="administers assessments" dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest0_0 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N10 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	S0 -> N2 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#92C79A" penwidth=1.5 style=dashed label="uses adaptive systems" dir=forward]
+	S0 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#90A4AE" penwidth=1.5 style=solid label="trains educators" dir=forward]
+	N0 -> M0 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N6 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#3F51B5" penwidth=1.5 style=dashed label="manages enrollments" dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_239.txt b/test/diagrams/graph_medium/diagrams_239.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0bac3514304a577ac477a1d4f64b4fb18a49f98d
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_239.txt
@@ -0,0 +1,18 @@
+<Completion Rate Optimization, connectedTo, Verified Track Management>
+<Continuous Course Improvement, connectedTo, Research on MOOC Effectiveness>
+<Course Pilot Testing, connectedTo, Engagement Metrics Tracking>
+<Course Pilot Testing, connectedTo, Micro_credential Stacking>
+<Engagement Metrics Tracking, connectedTo, Learner Analytics>
+<Financial Aid for Learners, connectedTo, Micro_credential Stacking>
+<Gamification for Engagement, researches impact, Instructor_Led Sessions>
+<Gamification for Engagement, translates content, Instructor Recruitment for MOOCs>
+<Instructor Recruitment for MOOCs, connectedTo, Financial Aid for Learners>
+<Instructor Recruitment for MOOCs, connectedTo, Micro_credential Stacking>
+<Instructor_Led Sessions, connectedTo, Completion Rate Optimization>
+<Learner Analytics, connectedTo, Gamification for Engagement>
+<Micro_credential Stacking, provides readings, Course Promotion>
+<Research on MOOC Effectiveness, connectedTo, Instructor Recruitment for MOOCs>
+<Research on MOOC Effectiveness, integrates videos, Skill_Based Learning Outcomes>
+<Research on MOOC Effectiveness, tracks completion, Course Pilot Testing>
+<Skill_Based Learning Outcomes, connectedTo, Course Pilot Testing>
+<Verified Track Management, connectedTo, Learner Analytics>
diff --git a/test/diagrams/graph_medium/diagrams_245.txt b/test/diagrams/graph_medium/diagrams_245.txt
new file mode 100644
index 0000000000000000000000000000000000000000..27c4b069a6894a8746bad917b658a0a14ed0c95b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_245.txt
@@ -0,0 +1,15 @@
+<Children's Language Learning, assesses, Instructor_Led Classes>
+<Children's Language Learning, engages, Flashcard Systems>
+<Children's Language Learning, writes, Translation Exercises>
+<Instructor_Led Classes, markets, Flashcard Systems>
+<Memory Retention Techniques, connectedTo, Writing Exercises>
+<Reading Comprehension, connectedTo, Flashcard Systems>
+<Reading Comprehension, connectedTo, Instructor_Led Classes>
+<Reading Comprehension, connectedTo, Speaking Practice>
+<Reading Comprehension, connectedTo, Translation Exercises>
+<Sentence Construction Practice, pronounces, Reading Comprehension>
+<Speaking Practice, connectedTo, Children's Language Learning>
+<Speaking Practice, connectedTo, Memory Retention Techniques>
+<Translation Exercises, connectedTo, Instructor_Led Classes>
+<Travel Language Essentials, connectedTo, Instructor_Led Classes>
+<Writing Exercises, connectedTo, Travel Language Essentials>
diff --git a/test/diagrams/graph_medium/diagrams_247.dot b/test/diagrams/graph_medium/diagrams_247.dot
new file mode 100644
index 0000000000000000000000000000000000000000..999834b386a21c11ff8df9df60b670bad14799f0
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_247.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=TB
+	N0 [label="Crisis Intervention" color="#DCE775" fillcolor="#FCFCE7" shape=multipledocuments style=filled]
+	N1 [label="Advocacy for Mental Health" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N2 [label="Emotional Regulation Training" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N3 [label="Medication Management" color="#DCE775" fillcolor="#FCFCE7" shape=document style=filled]
+	N4 [label="Group Therapy" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N5 [label="Bipolar Disorder Management" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N6 [label="Child & Adolescent Therapy" color="#FF8A65" fillcolor="#FBE9E7" shape=inputoutput style=filled]
+	N7 [label="Post_Traumatic Stress Disorder Support" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N8 [label="Dialectical Behavior Therapy" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	S0 [label="" color="#6EB76D" fillcolor="#E9F7E8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Depression Treatment {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Depression Treatment"
+		nest0_0 [label="Workplace Mental Health Programs" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+		nest0_1 [label="Peer Support Programs" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+		nest0_2 [label="Music Therapy" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+		nest0_3 [label="Relapse Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#6EB76D" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=solid label="medicates" dir=forward]
+	N6 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid label="treats" dir=forward]
+	nest0_1 -> nest0_2 [color="#FF8A65" penwidth=1.5 style=solid label="records" dir=forward]
+	nest0_2 -> nest0_3 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=solid label="counsels" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_249.dot b/test/diagrams/graph_medium/diagrams_249.dot
new file mode 100644
index 0000000000000000000000000000000000000000..42904186e7f8b52ee60e1ec8c747e973c90f82c3
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_249.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=RL
+	N0 [label="Depression Treatment" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+	N1 [label="Telehealth Counseling" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N2 [label="Dialectical Behavior Therapy" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N3 [label="Mental Health Screening" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N4 [label="Post_Traumatic Stress Disorder Support" color="#A1D7CD" fillcolor="#EDF5F3" shape=database style=filled]
+	N5 [label="Treatment Plan Development" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N6 [label="Suicide Prevention" color="#DCE775" fillcolor="#FCFCE7" shape=inputoutput style=filled]
+	N7 [label="Emotional Regulation Training" color="#FFF9AE" fillcolor="#FFFCE6" shape=action style=filled]
+	N8 [label="Medication Management" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N9 [label="Outpatient Program Management" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N10 [label="Bipolar Disorder Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N11 [label="Psychiatric Evaluation" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N12 [label="Eating Disorder Treatment" color="#FFF9AE" fillcolor="#FFFCE6" shape=preparation style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Workplace Mental Health Programs {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Workplace Mental Health Programs"
+		nest0_0 [label="Grief Counseling" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+		nest0_1 [label="Counseling Services" color="#FFF9AE" fillcolor="#FFFCE6" shape=vnode_shape style=filled]
+		nest0_2 [label="Schizophrenia Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest0_3 [label="Mental Health Education" color="#DCE775" fillcolor="#FCFCE7" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid label="assesses" dir=forward]
+	N1 -> N2 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid label="prevents" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N8 -> N9 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#DCE775" penwidth=1.5 style=dashed label="counsels" dir=forward]
+	N11 -> N12 [color="#A1D7CD" penwidth=1.5 style=dashed label="reduces" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#FFF9AE" penwidth=1.5 style=solid label="educates" dir=forward]
+	N11 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N1 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S0 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#000000" penwidth=1.5 style=solid label="complies" dir=forward]
+	S0 -> N8 [color="#FFF9AE" penwidth=1.5 style=solid label="manages" dir=forward]
+	N7 -> N2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_255.dot b/test/diagrams/graph_medium/diagrams_255.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8684f77e649009c4f9dbb2908c5ddf9df158cd36
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_255.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=LR
+	N0 [label="Sports_Specific Training" color="#66BB6A" fillcolor="#E8F5E9" shape=predefinedprocess style=filled]
+	N1 [label="Group Fitness Classes" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N2 [label="Mind_Body Connection" color="#FFA726" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N3 [label="Personal Training" color="#FFDA4E" fillcolor="#FFE88D" shape=document style=filled]
+	N4 [label="Injury Prevention" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N5 [label="Yoga Instruction" color="#FFDA4E" fillcolor="#FFE88D" shape=predefinedprocess style=filled]
+	N6 [label="Fitness Equipment Maintenance" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N7 [label="Virtual Fitness Classes" color="#FFA726" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N8 [label="Rehabilitation Exercises" color="#FFA726" fillcolor="#FFF3E0" shape=rect style=filled]
+	N9 [label="Weightlifting Techniques" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#66BB6A" fillcolor="#E8F5E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#66BB6A" fillcolor="#E8F5E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Balance and Coordination {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Balance and Coordination"
+		nest0_0 [label="Flexibility Training" color="#66BB6A" fillcolor="#E8F5E9" shape=vnode_shape style=filled]
+		nest0_1 [label="Hydration for Exercise" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+		nest0_2 [label="Cross_Training" color="#66BB6A" fillcolor="#E8F5E9" shape=action style=filled]
+	}
+	N0 -> N1 [color="#FFDA4E" penwidth=1.5 style=solid label="engages" dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFDA4E" penwidth=1.5 style=solid label="distributes" dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=solid label="assesses" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFA726" penwidth=1.5 style=dashed label="consults" dir=forward]
+	nest0_0 -> nest0_1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#FFA726" penwidth=1.5 style=dashed label="prevents" dir=forward]
+	S1 -> N5 [color="#66BB6A" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#66BB6A" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N3 -> M0 [color="#66BB6A" penwidth=1.5 style=solid label="automates" dir=forward]
+	M0 -> N6 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_259.dot b/test/diagrams/graph_medium/diagrams_259.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fb9a6643f9411aa2abcc358b0eba7fd1305421c9
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_259.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=BT
+	N0 [label="Bedroom Design" color="#F7BEE0" fillcolor="#FAEBF3" shape=rect style=filled]
+	N1 [label="Residential Interior Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N2 [label="Hospitality Interior Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N3 [label="Ventilation Planning" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+	N4 [label="Universal Design Principles" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N5 [label="Lighting Design" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	N6 [label="Acoustic Treatment" color="#82DAFF" fillcolor="#C8EDFF" shape=multipledocuments style=filled]
+	N7 [label="CAD Drafting" color="#82DAFF" fillcolor="#C8EDFF" shape=database style=filled]
+	N8 [label="Contractor Coordination" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N9 [label="Wall Treatment Selection" color="#82DAFF" fillcolor="#C8EDFF" shape=multipledocuments style=filled]
+	N10 [label="Client Consultation" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N11 [label="Living Room Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N12 [label="Building Code Compliance" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	S0 [label="" color="#82DAFF" fillcolor="#C8EDFF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#F7BEE0" fillcolor="#FAEBF3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Site Measurement {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Site Measurement"
+		nest0_0 [label="Post_Occupancy Evaluation" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+		nest0_1 [label="Installation Supervision" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+		nest0_2 [label="Ergonomics Integration" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#5C6BC0" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#5C6BC0" penwidth=1.5 style=solid label="materials" dir=forward]
+	N11 -> N12 [color="#82DAFF" penwidth=1.5 style=dashed label="sketches" dir=forward]
+	nest0_0 -> nest0_1 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N10 -> nest0_0 [color="#82DAFF" penwidth=1.5 style=solid label="textures" dir=forward]
+	nest0_2 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#5C6BC0" penwidth=1.5 style=solid label="audits" dir=forward]
+	S0 -> N6 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S1 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#82DAFF" penwidth=1.5 style=solid label="colors" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_260.dot b/test/diagrams/graph_medium/diagrams_260.dot
new file mode 100644
index 0000000000000000000000000000000000000000..be6b8c7d52fa1c646637a5c45a25381cc3e16d14
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_260.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=BT
+	N0 [label="Sustainable Design Practices" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N1 [label="Flooring Specification" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N2 [label="Hospitality Interior Design" color="#7986CB" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N3 [label="Budget Management" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N4 [label="Ergonomics Integration" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N5 [label="Building Code Compliance" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N6 [label="Furniture Selection" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	S0 [label="" color="#94C0C0" fillcolor="#CADEDE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#94C0C0" fillcolor="#CADEDE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#94C0C0" fillcolor="#CADEDE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Ventilation Planning {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Ventilation Planning"
+		nest0_0 [label="CAD Drafting" color="#FFF9AE" fillcolor="#FFFCE6" shape=predefinedprocess style=filled]
+		nest0_1 [label="Living Room Design" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+		nest0_2 [label="Color Scheme Selection" color="#94C0C0" fillcolor="#CADEDE" shape=document style=filled]
+		nest0_3 [label="Lighting Design" color="#FFF9AE" fillcolor="#FFFCE6" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="lights" dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFF9AE" penwidth=1.5 style=solid label="advises" dir=forward]
+	nest0_0 -> nest0_1 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N6 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#94C0C0" penwidth=1.5 style=solid label="photographs" dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N2 [color="#FFF9AE" penwidth=1.5 style=dashed label="budgets" dir=forward]
+	N2 -> S1 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	S1 -> N6 [color="#7986CB" penwidth=1.5 style=solid label="decorates" dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#7986CB" penwidth=1.5 style=dashed label="sources" dir=forward]
+	N4 -> M1 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M1 -> N6 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_262.dot b/test/diagrams/graph_medium/diagrams_262.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9e7859a70d8bda927573e0f6dd6b66ecaff8103b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_262.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=RL
+	N0 [label="Meeting Translation Systems" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N1 [label="Speaker Diarization" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+	N2 [label="Simultaneous Interpretation" color="#4285F4" fillcolor="#D0E0F8" shape=predefinedprocess style=filled]
+	N3 [label="Customer Support Translation" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N4 [label="Voice Biometrics" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N5 [label="Tone Recognition" color="#4285F4" fillcolor="#D0E0F8" shape=parallelogram style=filled]
+	N6 [label="Rule_Based Machine Translation" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N7 [label="Noise Reduction for Speech Input" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N8 [label="Live Event Translation" color="#4285F4" fillcolor="#D0E0F8" shape=vnode_shape style=filled]
+	N9 [label="Emotion Detection in Speech" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	S0 [label="" color="#9575CD" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FF5722" fillcolor="#FFCCBC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FF5722" fillcolor="#FFCCBC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Language Detection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Language Detection"
+		nest0_0 [label="Subtitling Generation" color="#4285F4" fillcolor="#D0E0F8" shape=database style=filled]
+		nest0_1 [label="Pronunciation Correction" color="#4285F4" fillcolor="#D0E0F8" shape=predefinedprocess style=filled]
+		nest0_2 [label="Low_Latency Processing" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+		nest0_3 [label="Neural Machine Translation" color="#4285F4" fillcolor="#D0E0F8" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#4285F4" penwidth=1.5 style=dashed label="customizes" dir=forward]
+	N8 -> N9 [color="#9575CD" penwidth=1.5 style=dashed label="supports" dir=forward]
+	nest0_0 -> nest0_1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#9575CD" penwidth=1.5 style=dashed label="deploys" dir=forward]
+	nest0_2 -> nest0_3 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> nest0_0 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N8 [color="#9575CD" penwidth=1.5 style=solid label="generates" dir=forward]
+	N6 -> S0 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#4285F4" penwidth=1.5 style=dashed label="corrects" dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N0 -> M1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N4 -> M1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	M1 -> N7 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_263.dot b/test/diagrams/graph_medium/diagrams_263.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a13ffe2dee547842cfcf36ef02a9d9d8e9c39123
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_263.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=TB
+	N0 [label="Contextual Understanding" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N1 [label="Technical Manual Translation" color="#EAEFA5" fillcolor="#FDFCEB" shape=vnode_shape style=filled]
+	N2 [label="Social Media Translation" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	N3 [label="Sentiment Analysis in Translation" color="#EAEFA5" fillcolor="#FDFCEB" shape=action style=filled]
+	N4 [label="Continuous Learning Models for Translation" color="#BA68C8" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N5 [label="Cross_Lingual Communication" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N6 [label="Consecutive Interpretation" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N7 [label="Statistical Machine Translation" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N8 [label="Multimodal Translation" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	S0 [label="" color="#F44336" fillcolor="#FFCDD2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Customer Support Translation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Customer Support Translation"
+		nest0_0 [label="Wearable Translation Devices" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+		nest0_1 [label="Pronunciation Correction" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+		nest0_2 [label="Legal Document Translation" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+		nest0_3 [label="Data Security for Translated Content" color="#EAEFA5" fillcolor="#FDFCEB" shape=action style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=solid label="pronounces" dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BA68C8" penwidth=1.5 style=dashed label="improves" dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid label="generates" dir=forward]
+	N7 -> N8 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid label="outputs" dir=forward]
+	nest0_1 -> nest0_2 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N3 -> S0 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#EAEFA5" penwidth=1.5 style=solid label="deploys" dir=forward]
+	S0 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N7 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N4 -> N2 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_263.txt b/test/diagrams/graph_medium/diagrams_263.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28aa524521982ad6f8d5a4ec652125eccb626a3d
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_263.txt
@@ -0,0 +1,17 @@
+<Consecutive Interpretation, generates, Statistical Machine Translation>
+<Contextual Understanding, monitors, Technical Manual Translation>
+<Continuous Learning Models for Translation, connectedTo, Social Media Translation>
+<Continuous Learning Models for Translation, connectedTo, Wearable Translation Devices>
+<Continuous Learning Models for Translation, improves, Cross_Lingual Communication>
+<Cross_Lingual Communication, connectedTo, Consecutive Interpretation>
+<Data Security for Translated Content, connectedTo, Continuous Learning Models for Translation>
+<Legal Document Translation, connectedTo, Data Security for Translated Content>
+<Pronunciation Correction, connectedTo, Legal Document Translation>
+<Sentiment Analysis in Translation, connectedTo, Continuous Learning Models for Translation>
+<Sentiment Analysis in Translation, connectedTo, Statistical Machine Translation>
+<Sentiment Analysis in Translation, deploys, Multimodal Translation>
+<Social Media Translation, connectedTo, Statistical Machine Translation>
+<Social Media Translation, pronounces, Sentiment Analysis in Translation>
+<Statistical Machine Translation, connectedTo, Multimodal Translation>
+<Technical Manual Translation, connectedTo, Social Media Translation>
+<Wearable Translation Devices, outputs, Pronunciation Correction>
diff --git a/test/diagrams/graph_medium/diagrams_265.dot b/test/diagrams/graph_medium/diagrams_265.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dc0e17e1c9a2e188e7434faa00f276f9ba4a0d41
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_265.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=RL
+	N0 [label="Wildlife Tracking" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N1 [label="Search and Rescue Operations" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N2 [label="Ground Control Station Development" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N3 [label="Ethical Drone Use" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+	N4 [label="Mapping and Surveying" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N5 [label="Data Processing from Drones" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N6 [label="Drone Design" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N7 [label="Delivery Services" color="#FFEB3B" fillcolor="#FFF9C4" shape=inputoutput style=filled]
+	N8 [label="Propeller Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=preparation style=filled]
+	N9 [label="Swarm Robotics for Drones" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N10 [label="Videography" color="#FFCC7A" fillcolor="#FFF6D9" shape=database style=filled]
+	N11 [label="Autonomous Flight" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	M0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_3D Modeling from Drone Data {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="3D Modeling from Drone Data"
+		nest0_0 [label="Propulsion System Development" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+		nest0_1 [label="Urban Air Mobility Planning" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+		nest0_2 [label="Sensor Integration" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+		nest0_3 [label="Aerial Photography" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=solid label="secures" dir=forward]
+	N5 -> N6 [color="#FFEB3B" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N6 -> N7 [color="#FFCC7A" penwidth=1.5 style=dashed label="maps" dir=forward]
+	N7 -> N8 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFEB3B" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N10 -> N11 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=solid label="gathers" dir=forward]
+	N3 -> nest0_0 [color="#FFCC7A" penwidth=1.5 style=solid label="surveys" dir=forward]
+	nest0_3 -> N10 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N5 -> M0 [color="#FFCC7A" penwidth=1.5 style=solid label="designs" dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	M0 -> N9 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N4 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_265.txt b/test/diagrams/graph_medium/diagrams_265.txt
new file mode 100644
index 0000000000000000000000000000000000000000..424ba1483eafd4afd14a6e820f90aeb1d6d9b802
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_265.txt
@@ -0,0 +1,19 @@
+<Aerial Photography, connectedTo, Videography>
+<Data Processing from Drones, designs, Swarm Robotics for Drones>
+<Data Processing from Drones, simulates, Drone Design>
+<Delivery Services, connectedTo, Propeller Design>
+<Drone Design, maps, Delivery Services>
+<Ethical Drone Use, connectedTo, Mapping and Surveying>
+<Ethical Drone Use, surveys, Propulsion System Development>
+<Ground Control Station Development, connectedTo, Ethical Drone Use>
+<Mapping and Surveying, secures, Data Processing from Drones>
+<Propeller Design, connectedTo, Mapping and Surveying>
+<Propeller Design, connectedTo, Swarm Robotics for Drones>
+<Propulsion System Development, connectedTo, Urban Air Mobility Planning>
+<Search and Rescue Operations, connectedTo, Ground Control Station Development>
+<Sensor Integration, gathers, Aerial Photography>
+<Swarm Robotics for Drones, optimizes, Videography>
+<Urban Air Mobility Planning, connectedTo, Sensor Integration>
+<Videography, connectedTo, Autonomous Flight>
+<Wildlife Tracking, connectedTo, Search and Rescue Operations>
+<Wildlife Tracking, inspects, Swarm Robotics for Drones>
diff --git a/test/diagrams/graph_medium/diagrams_266.txt b/test/diagrams/graph_medium/diagrams_266.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3351c7187bb30612644b8d0a69891be108c4054d
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_266.txt
@@ -0,0 +1,23 @@
+<Airspace Management for Drones, tracks, Swarm Robotics for Drones>
+<Autonomous Flight, connectedTo, Propeller Design>
+<Autonomous Flight, connectedTo, Remote Piloting Training>
+<Autonomous Flight, maps, Thermal Imaging with Drones>
+<Drone Delivery Logistics, connectedTo, Propeller Design>
+<Drone Design, connectedTo, Drone Delivery Logistics>
+<Drone Maintenance, connectedTo, Propeller Design>
+<Flight Planning Software, connectedTo, Payload Customization>
+<Flight Planning Software, permits, Ground Control Station Development>
+<Ground Control Station Development, connectedTo, Remote Piloting Training>
+<Inspection, transmits, Autonomous Flight>
+<Payload Customization, connectedTo, Precision Agriculture>
+<Payload Customization, connectedTo, Propeller Design>
+<Precision Agriculture, connectedTo, Security Surveillance>
+<Precision Agriculture, connectedTo, Thermal Imaging with Drones>
+<Precision Agriculture, processes, Propulsion System Development>
+<Propeller Design, controls, Flight Planning Software>
+<Propeller Design, designs, Airspace Management for Drones>
+<Propulsion System Development, connectedTo, Inspection>
+<Security Surveillance, connectedTo, Urban Air Mobility Planning>
+<Swarm Robotics for Drones, connectedTo, Drone Design>
+<Thermal Imaging with Drones, trains, Drone Maintenance>
+<Urban Air Mobility Planning, connectedTo, Payload Customization>
diff --git a/test/diagrams/graph_medium/diagrams_267.txt b/test/diagrams/graph_medium/diagrams_267.txt
new file mode 100644
index 0000000000000000000000000000000000000000..96cd9c01da37874e24522743383ec47a8eb5a2dd
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_267.txt
@@ -0,0 +1,17 @@
+<Aerial Photography, builds, Sensor Integration>
+<Airspace Management for Drones, connectedTo, Wildlife Tracking>
+<Communication Systems, connectedTo, Aerial Photography>
+<Communication Systems, connectedTo, Drone Maintenance>
+<Communication Systems, connectedTo, Endurance Optimization>
+<Communication Systems, connectedTo, Flight Planning Software>
+<Communication Systems, permits, Aerial Photography>
+<Drone Maintenance, detects, Endurance Optimization>
+<Flight Planning Software, connectedTo, Aerial Photography>
+<Flight Planning Software, connectedTo, Airspace Management for Drones>
+<Flight Planning Software, connectedTo, Drone Maintenance>
+<Flight Planning Software, regulates, Endurance Optimization>
+<Ground Control Station Development, connectedTo, Aerial Photography>
+<Sensor Integration, connectedTo, Drone Maintenance>
+<Thermal Imaging with Drones, connectedTo, Aerial Photography>
+<Thermal Imaging with Drones, connectedTo, Communication Systems>
+<Wildlife Tracking, connectedTo, Ground Control Station Development>
diff --git a/test/diagrams/graph_medium/diagrams_268.txt b/test/diagrams/graph_medium/diagrams_268.txt
new file mode 100644
index 0000000000000000000000000000000000000000..85115fad505fc1d205c015f33854aed950c6c745
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_268.txt
@@ -0,0 +1,26 @@
+<Cybersecurity for AVs, connectedTo, Simulation Environment Development>
+<Driver Monitoring Systems, connectedTo, Redundancy in Sensors>
+<Fleet Management, connectedTo, Remote Operation Capability>
+<Fleet Management, connectedTo, Simulation and Testing>
+<Fleet Management, transports, Software Development>
+<Localization and Mapping, connectedTo, Fleet Management>
+<Localization and Mapping, connectedTo, Predictive Maintenance>
+<Map Data Management, connectedTo, Localization and Mapping>
+<Map Data Management, connectedTo, Vehicle_to_Vehicle Communication>
+<Path Planning, recognizes, Public Acceptance and Trust>
+<Pedestrian Detection, connectedTo, Fleet Management>
+<Predictive Maintenance, connectedTo, Pedestrian Detection>
+<Predictive Maintenance, connectedTo, Vehicle_to_Vehicle Communication>
+<Public Acceptance and Trust, learns, Simulation and Testing>
+<Redundancy in Sensors, connectedTo, Path Planning>
+<Simulation Environment Development, connectedTo, Software Development>
+<Simulation and Testing, connectedTo, Cybersecurity for AVs>
+<Simulation and Testing, connectedTo, Remote Operation Capability>
+<Simulation and Testing, connectedTo, Simulation Environment Development>
+<Simulation and Testing, connectedTo, Vehicle_to_Vehicle Communication>
+<Software Development, connectedTo, Remote Operation Capability>
+<Vehicle_to_Infrastructure Communication, alerts, Map Data Management>
+<Vehicle_to_Infrastructure Communication, connectedTo, Fleet Management>
+<Vehicle_to_Infrastructure Communication, connectedTo, Vehicle_to_Vehicle Communication>
+<Vehicle_to_Vehicle Communication, connectedTo, Cybersecurity for AVs>
+<Vehicle_to_Vehicle Communication, connectedTo, Driver Monitoring Systems>
diff --git a/test/diagrams/graph_medium/diagrams_270.txt b/test/diagrams/graph_medium/diagrams_270.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8865e30d328c6708e4a7776f2deb5f9010b27cd
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_270.txt
@@ -0,0 +1,23 @@
+<Adaptive Cruise Control, connectedTo, Path Planning>
+<Automatic Emergency Braking, complies, Fail_Safe Systems>
+<Automatic Emergency Braking, connectedTo, Cloud Connectivity for AVs>
+<Automatic Emergency Braking, connectedTo, Predictive Maintenance>
+<Automatic Emergency Braking, fuels, Simulation and Testing>
+<Charging Infrastructure, connectedTo, Battery Management for EVs>
+<Cloud Connectivity for AVs, connectedTo, Pedestrian Detection>
+<Cybersecurity for AVs, connectedTo, Vehicle_to_Infrastructure Communication>
+<Data Collection and Annotation, connectedTo, Cybersecurity for AVs>
+<Data Collection and Annotation, connectedTo, Ethical Decision_Making>
+<Ethical Decision_Making, detects, Cybersecurity for AVs>
+<Ethical Decision_Making, localizes, Map Data Management>
+<Fail_Safe Systems, connectedTo, Localization and Mapping>
+<Insurance Models for AVs, connectedTo, Predictive Maintenance>
+<Localization and Mapping, charges, Adaptive Cruise Control>
+<Localization and Mapping, connectedTo, Software Development>
+<Map Data Management, connectedTo, Cybersecurity for AVs>
+<Path Planning, connectedTo, Charging Infrastructure>
+<Pedestrian Detection, connectedTo, Simulation and Testing>
+<Predictive Maintenance, connectedTo, Cloud Connectivity for AVs>
+<Simulation and Testing, optimizes, Fail_Safe Systems>
+<Software Development, connectedTo, Insurance Models for AVs>
+<Vehicle_to_Infrastructure Communication, connectedTo, Automatic Emergency Braking>
diff --git a/test/diagrams/graph_medium/diagrams_271.dot b/test/diagrams/graph_medium/diagrams_271.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7084be83ee7783e16661181f044f338ba5a39ab9
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_271.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=BT
+	N0 [label="Scooter_sharing Services" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N1 [label="Policy Advocacy for Shared Mobility" color="#D3EB9F" fillcolor="#F8FDD3" shape=inputoutput style=filled]
+	N2 [label="Subscription Model Management" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N3 [label="User Rating and Feedback Systems" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N4 [label="Route Optimization" color="#D3EB9F" fillcolor="#F8FDD3" shape=preparation style=filled]
+	N5 [label="Ride_sharing Services" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N6 [label="Bike_sharing Services" color="#FFC085" fillcolor="#FFDAB9" shape=preparation style=filled]
+	N7 [label="Carbon Emission Tracking" color="#D3EB9F" fillcolor="#F8FDD3" shape=action style=filled]
+	N8 [label="Smart City Integration" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	N9 [label="User Onboarding" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N10 [label="Passenger Safety Protocols" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	S0 [label="" color="#388E3C" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#388E3C" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Public Transit Integration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Public Transit Integration"
+		nest0_0 [label="Geofencing for Operations" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+		nest0_1 [label="Charging or Refueling Logistics" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#D3EB9F" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#D3EB9F" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#FFC085" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N4 -> nest0_0 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N3 -> M0 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	M0 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_272.dot b/test/diagrams/graph_medium/diagrams_272.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dedf300158adaba4f1ba244499d1c103ff84b82a
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_272.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=LR
+	N0 [label="Data Analytics for Usage Patterns" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	N1 [label="Carbon Emission Tracking" color="#03A9F4" fillcolor="#B3E5FC" shape=rect style=filled]
+	N2 [label="User Onboarding" color="#3F51B5" fillcolor="#C5CAE9" shape=database style=filled]
+	N3 [label="First_Mile or Last_Mile Solutions" color="#FFC107" fillcolor="#FFECB3" shape=inputoutput style=filled]
+	N4 [label="Subscription Model Management" color="#03A9F4" fillcolor="#B3E5FC" shape=rect style=filled]
+	N5 [label="User Registration" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N6 [label="Vehicle Location Tracking" color="#03A9F4" fillcolor="#B3E5FC" shape=rect style=filled]
+	N7 [label="Customer Support" color="#03A9F4" fillcolor="#B3E5FC" shape=preparation style=filled]
+	N8 [label="Ticketing and Fare Collection" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N9 [label="Accessibility for Users" color="#03A9F4" fillcolor="#B3E5FC" shape=database style=filled]
+	N10 [label="Micro_mobility Management" color="#FFC107" fillcolor="#FFECB3" shape=rect style=filled]
+	N11 [label="Geofencing for Operations" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N12 [label="Supply_Demand Balancing" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	N13 [label="Ride_sharing Services" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	S0 [label="" color="#FFC107" fillcolor="#FFECB3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Maintenance Scheduling {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Maintenance Scheduling"
+		nest0_0 [label="Passenger Safety Protocols" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest0_1 [label="Scooter_sharing Services" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="accesses" dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=dashed label="partners" dir=forward]
+	N4 -> N5 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#3F51B5" penwidth=1.5 style=solid label="secures" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=dashed label="pays" dir=forward]
+	N12 -> N13 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N10 -> nest0_0 [color="#FFC107" penwidth=1.5 style=dashed label="manages" dir=forward]
+	nest0_1 -> N11 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N6 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#03A9F4" penwidth=1.5 style=solid label="tracks" dir=forward]
+	S0 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=solid label="drives" dir=forward]
+	N5 -> M0 [color="#03A9F4" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	M0 -> N7 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_273.txt b/test/diagrams/graph_medium/diagrams_273.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e2e4512d576f4afd497fb0ea0300bc120aad67af
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_273.txt
@@ -0,0 +1,21 @@
+<Bike_sharing Services, connectedTo, Dynamic Pricing>
+<Bike_sharing Services, insures, Route Optimization>
+<Data Analytics for Usage Patterns, connectedTo, Demand Prediction>
+<Demand Prediction, promotes, Public Transit Integration>
+<Driver Management, complies, Demand Prediction>
+<Driver Management, connectedTo, Data Analytics for Usage Patterns>
+<Driver Management, connectedTo, Insurance Models>
+<Driver Management, connectedTo, Public Transit Integration>
+<Dynamic Pricing, forecasts, Route Optimization>
+<Geofencing for Operations, responds, Data Analytics for Usage Patterns>
+<Insurance Models, connectedTo, Regulatory Compliance>
+<Maintenance Scheduling, connectedTo, Bike_sharing Services>
+<Parking Integration, charges, Route Optimization>
+<Parking Integration, connectedTo, Maintenance Scheduling>
+<Parking Integration, connectedTo, Public Transit Integration>
+<Payment Processing, connectedTo, Geofencing for Operations>
+<Regulatory Compliance, rides, Payment Processing>
+<Route Optimization, educates, Driver Management>
+<Subscription Model Management, connectedTo, Parking Integration>
+<Vehicle Rebalancing, connectedTo, Route Optimization>
+<Vehicle Rebalancing, services, Subscription Model Management>
diff --git a/test/diagrams/graph_medium/diagrams_274.txt b/test/diagrams/graph_medium/diagrams_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a8f51936c138f7f0cad383479d1616e6fc6f3aff
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_274.txt
@@ -0,0 +1,19 @@
+<Automated Parking Garages, connectedTo, Intelligent Traffic Management Interaction>
+<Automated Payment, validates, Billing and Reconciliation>
+<Billing and Reconciliation, connectedTo, Automated Parking Garages>
+<Billing and Reconciliation, connectedTo, Smart Parking Meters>
+<Cloud_based Parking Platforms, connectedTo, Ticketing System Integration>
+<Dynamic Pricing, connectedTo, Smart City Integration for Parking>
+<Environmental Impact Monitoring, forecasts, Reservations System>
+<Fleet Parking Solutions, connectedTo, Cloud_based Parking Platforms>
+<Fleet Parking Solutions, connectedTo, Violation Detection>
+<Fleet Parking Solutions, upgrades, Automated Parking Garages>
+<Integration with Navigation Apps, connectedTo, Fleet Parking Solutions>
+<Reservations System, connectedTo, Automated Parking Garages>
+<Revenue Management, connectedTo, Automated Payment>
+<Smart City Integration for Parking, connectedTo, Revenue Management>
+<Smart Parking Meters, automates, Automated Parking Garages>
+<Smart Parking Meters, connectedTo, Environmental Impact Monitoring>
+<Smart Parking Meters, filters, Reservations System>
+<Ticketing System Integration, connectedTo, Dynamic Pricing>
+<Violation Detection, directs, Revenue Management>
diff --git a/test/diagrams/graph_medium/diagrams_275.dot b/test/diagrams/graph_medium/diagrams_275.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0ae0c8f108ccd7288dc3d3dea5ef92d1c0ebb3ed
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_275.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=LR
+	N0 [label="Smart City Integration for Parking" color="#B0C5CD" fillcolor="#DFE7EB" shape=rect style=filled]
+	N1 [label="Cloud_based Parking Platforms" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N2 [label="Fleet Parking Solutions" color="#B0C5CD" fillcolor="#DFE7EB" shape=predefinedprocess style=filled]
+	N3 [label="Space Detection" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N4 [label="Billing and Reconciliation" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N5 [label="Parking Guidance Systems" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N6 [label="Edge Computing for Parking Data" color="#B0C5CD" fillcolor="#DFE7EB" shape=database style=filled]
+	N7 [label="Security Surveillance" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N8 [label="Violation Detection" color="#A188D0" fillcolor="#DACBE3" shape=rect style=filled]
+	N9 [label="Integration with Navigation Apps" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N10 [label="Permit Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=multipledocuments style=filled]
+	N11 [label="Emergency Vehicle Access Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N12 [label="User Experience Design for Apps" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N13 [label="License Plate Recognition" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N14 [label="Access Control Systems" color="#A188D0" fillcolor="#DACBE3" shape=preparation style=filled]
+	S0 [label="" color="#A188D0" fillcolor="#DACBE3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#F8BBD0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Ticketing System Integration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Ticketing System Integration"
+		nest0_0 [label="Data Analytics for Parking Usage" color="#E91E63" fillcolor="#F8BBD0" shape=predefinedprocess style=filled]
+		nest0_1 [label="Real_Time Information Display" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="informs" dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N5 -> N6 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#A188D0" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N12 -> N13 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	nest0_0 -> nest0_1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#B0C5CD" penwidth=1.5 style=solid label="detects" dir=forward]
+	nest0_1 -> N6 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N6 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N12 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_275.txt b/test/diagrams/graph_medium/diagrams_275.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b08032426a9f35dc6356ce04e7db991a57f90d22
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_275.txt
@@ -0,0 +1,22 @@
+<Billing and Reconciliation, integrates, Parking Guidance Systems>
+<Cloud_based Parking Platforms, connectedTo, Edge Computing for Parking Data>
+<Cloud_based Parking Platforms, connectedTo, Parking Guidance Systems>
+<Cloud_based Parking Platforms, controls, Fleet Parking Solutions>
+<Data Analytics for Parking Usage, connectedTo, Real_Time Information Display>
+<Edge Computing for Parking Data, connectedTo, Security Surveillance>
+<Emergency Vehicle Access Management, complies, User Experience Design for Apps>
+<Fleet Parking Solutions, guides, Space Detection>
+<Integration with Navigation Apps, connectedTo, Permit Management>
+<License Plate Recognition, communicates, Access Control Systems>
+<Parking Guidance Systems, connectedTo, Edge Computing for Parking Data>
+<Parking Guidance Systems, connectedTo, User Experience Design for Apps>
+<Permit Management, connectedTo, Emergency Vehicle Access Management>
+<Real_Time Information Display, connectedTo, Edge Computing for Parking Data>
+<Security Surveillance, connectedTo, Violation Detection>
+<Security Surveillance, detects, Data Analytics for Parking Usage>
+<Smart City Integration for Parking, connectedTo, Cloud_based Parking Platforms>
+<Smart City Integration for Parking, connectedTo, Edge Computing for Parking Data>
+<Smart City Integration for Parking, connectedTo, User Experience Design for Apps>
+<Space Detection, informs, Billing and Reconciliation>
+<User Experience Design for Apps, connectedTo, License Plate Recognition>
+<Violation Detection, connectedTo, Integration with Navigation Apps>
diff --git a/test/diagrams/graph_medium/diagrams_276.dot b/test/diagrams/graph_medium/diagrams_276.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8065cfd265c0768f6e0a6fd52a35bd335c70236a
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_276.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=LR
+	N0 [label="Off_Street Parking Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=action style=filled]
+	N1 [label="Revenue Management" color="#BDBDBD" fillcolor="#F5F5F5" shape=preparation style=filled]
+	N2 [label="Integration with Navigation Apps" color="#B8C0F5" fillcolor="#ECF0FD" shape=rectangle style=filled]
+	N3 [label="Space Detection" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N4 [label="Access Control Systems" color="#92C79A" fillcolor="#E8F0EA" shape=rectangle style=filled]
+	N5 [label="Mobile Parking Apps" color="#92C79A" fillcolor="#E8F0EA" shape=vnode_shape style=filled]
+	N6 [label="Dynamic Pricing" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N7 [label="Emergency Vehicle Access Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=predefinedprocess style=filled]
+	N8 [label="Maintenance of Systems" color="#92C79A" fillcolor="#E8F0EA" shape=predefinedprocess style=filled]
+	N9 [label="Reservations System" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#92C79A" fillcolor="#E8F0EA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Smart City Integration for Parking {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Smart City Integration for Parking"
+		nest0_0 [label="License Plate Recognition" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+		nest0_1 [label="User Experience Design for Apps" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N6 -> N7 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BDBDBD" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#92C79A" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N5 -> nest0_0 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N5 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#92C79A" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	S0 -> N4 [color="#BDBDBD" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	S0 -> N6 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N0 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#B8C0F5" penwidth=1.5 style=dashed label="manages" dir=forward]
+	S1 -> N9 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_28.dot b/test/diagrams/graph_medium/diagrams_28.dot
new file mode 100644
index 0000000000000000000000000000000000000000..775eea5bffdc8711a765a6e53c1fe01e2d754d0b
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_28.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=BT
+	N0 [label="Customer Support" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N1 [label="IoT Device Connection" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N2 [label="Contract Termination" color="#FF9800" fillcolor="#FFE0B2" shape=action style=filled]
+	N3 [label="Customer Relationship Management" color="#FFF176" fillcolor="#FFFDE7" shape=rect style=filled]
+	N4 [label="Number Porting" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	S1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFF176" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Speed Throttling {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Speed Throttling"
+		nest0_0 [label="Data Usage Logging" color="#FF9800" fillcolor="#FFE0B2" shape=vnode_shape style=filled]
+		nest0_1 [label="Fraudulent Call Blocking" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+		nest0_2 [label="Fiber Optic Deployment" color="#FF9800" fillcolor="#FFE0B2" shape=document style=filled]
+		nest0_3 [label="Network Upgrade" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A2D0FF" penwidth=1.5 style=dashed label="ports" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#FF9800" penwidth=1.5 style=dashed label="configures" dir=forward]
+	N3 -> nest0_0 [color="#FFF176" penwidth=1.5 style=solid label="pays" dir=forward]
+	nest0_3 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid label="manages" dir=forward]
+	N1 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	S1 -> N4 [color="#A2D0FF" penwidth=1.5 style=solid label="registers" dir=forward]
+	N0 -> M0 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_28.txt b/test/diagrams/graph_medium/diagrams_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0976ee845759097a54838f03af24123be84e9827
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_28.txt
@@ -0,0 +1,12 @@
+<Contract Termination, connectedTo, Customer Relationship Management>
+<Customer Relationship Management, connectedTo, Number Porting>
+<Customer Relationship Management, pays, Data Usage Logging>
+<Customer Support, connectedTo, Customer Relationship Management>
+<Customer Support, connectedTo, IoT Device Connection>
+<Data Usage Logging, connectedTo, Fraudulent Call Blocking>
+<Fiber Optic Deployment, configures, Network Upgrade>
+<Fraudulent Call Blocking, connectedTo, Fiber Optic Deployment>
+<IoT Device Connection, connectedTo, Customer Relationship Management>
+<IoT Device Connection, ports, Contract Termination>
+<IoT Device Connection, registers, Number Porting>
+<Network Upgrade, manages, IoT Device Connection>
diff --git a/test/diagrams/graph_medium/diagrams_280.dot b/test/diagrams/graph_medium/diagrams_280.dot
new file mode 100644
index 0000000000000000000000000000000000000000..461c9a5f8a9086f26ceb6e308fc6993458486f18
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_280.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=TB
+	N0 [label="Voter Authentication" color="#FFC107" fillcolor="#FFECB3" shape=rectangle style=filled]
+	N1 [label="Hardware Tamper Detection" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N2 [label="Election Official Training" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N3 [label="Voter Registration" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N4 [label="Biometric Voter ID" color="#6EB76D" fillcolor="#E9F7E8" shape=vnode_shape style=filled]
+	N5 [label="Direct Recording Electronic Systems" color="#FFC107" fillcolor="#FFECB3" shape=multipledocuments style=filled]
+	N6 [label="Remote Voting Solutions" color="#FFC107" fillcolor="#FFECB3" shape=predefinedprocess style=filled]
+	N7 [label="Secure Data Transmission" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	S0 [label="" color="#AF56A6" fillcolor="#DDCEDD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFC107" fillcolor="#FFECB3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Accessibility Features {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Accessibility Features"
+		nest0_0 [label="Vote Counting" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+		nest0_1 [label="Software Integrity Checks" color="#FFC107" fillcolor="#FFECB3" shape=rectangle style=filled]
+		nest0_2 [label="Auditability" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+		nest0_3 [label="Public Trust Building" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#6EB76D" penwidth=1.5 style=dashed label="registers" dir=forward]
+	N5 -> N6 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed label="detects" dir=forward]
+	nest0_2 -> nest0_3 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N7 [color="#000000" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N1 -> S0 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#AF56A6" penwidth=1.5 style=solid label="educates" dir=forward]
+	S0 -> N5 [color="#AF56A6" penwidth=1.5 style=solid label="prevents" dir=forward]
+	N1 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N3 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=solid label="tallies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_282.dot b/test/diagrams/graph_medium/diagrams_282.dot
new file mode 100644
index 0000000000000000000000000000000000000000..26f3ed5da789d407ef92e5d49f5d7821cca934a1
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_282.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=TB
+	N0 [label="Online Voting Systems" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+	N1 [label="Penetration Testing" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N2 [label="Hardware Tamper Detection" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N3 [label="Optical Scan Systems" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N4 [label="Voter Education Programs" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N5 [label="Public Trust Building" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N6 [label="Cybersecurity for Voting Systems" color="#BCB88A" fillcolor="#F5F5DC" shape=multipledocuments style=filled]
+	N7 [label="Legal Framework Compliance" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N8 [label="Voter Privacy Protection" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N9 [label="Accessibility Features" color="#FFF176" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N10 [label="Security Protocols" color="#BCB88A" fillcolor="#F5F5DC" shape=document style=filled]
+	S0 [label="" color="#BCB88A" fillcolor="#F5F5DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#F06292" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Transparency {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Transparency"
+		nest0_0 [label="Cryptographic Security" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
+		nest0_1 [label="Voting Machine Design" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+		nest0_2 [label="Anonymous Credential Systems" color="#BCB88A" fillcolor="#F5F5DC" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="verifies" dir=forward]
+	N4 -> N5 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFF176" penwidth=1.5 style=solid label="prevents" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N8 -> nest0_0 [color="#F06292" penwidth=1.5 style=solid label="decrypts" dir=forward]
+	nest0_2 -> N9 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N2 -> S0 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#BCB88A" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	S1 -> N7 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_286.txt b/test/diagrams/graph_medium/diagrams_286.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e1555b1e4f5ded82b6303816dcb86161b8a15a63
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_286.txt
@@ -0,0 +1,20 @@
+<Data Analysis, integrity, Theory Development>
+<Data Management Plan, connectedTo, Grant Proposal Writing>
+<Data Management Plan, connectedTo, Peer Review Process>
+<Grant Proposal Writing, connectedTo, Data Analysis>
+<Intellectual Property in Research, innovates, Methodology Selection>
+<Manuscript Writing, connectedTo, Data Management Plan>
+<Meta_Analysis, connectedTo, Survey Design>
+<Peer Review Process, connectedTo, Intellectual Property in Research>
+<Peer Review Process, connectedTo, Meta_Analysis>
+<Peer Review Process, connectedTo, Statistical Analysis>
+<Peer Review Process, connectedTo, Theory Development>
+<Peer Review Process, experimentals, Intellectual Property in Research>
+<Peer Review Process, peer review, Grant Proposal Writing>
+<Peer Review Process, supervises, Theory Development>
+<Power Analysis, connectedTo, Intellectual Property in Research>
+<Research Ethics Application, connectedTo, Power Analysis>
+<Statistical Analysis, connectedTo, Grant Proposal Writing>
+<Survey Design, connectedTo, Variable Identification>
+<Theory Development, connectedTo, Research Ethics Application>
+<Variable Identification, collects, Intellectual Property in Research>
diff --git a/test/diagrams/graph_medium/diagrams_29.txt b/test/diagrams/graph_medium/diagrams_29.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d99c3b18a8d80e1c5d3202a8b9fc19f618bbc0c4
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_29.txt
@@ -0,0 +1,13 @@
+<Billing Inquiry, connectedTo, Spectrum Management>
+<Billing Inquiry, manages, Troubleshooting Guide>
+<Customer Relationship Management, authorizes, Service Complaint>
+<Device Setup, connectedTo, Billing Inquiry>
+<Device Setup, connectedTo, Plan Renewal>
+<Device Setup, connectedTo, Troubleshooting Guide>
+<Network Activation, connectedTo, Device Setup>
+<Network Activation, connectedTo, Plan Renewal>
+<Network Activation, connectedTo, Troubleshooting Guide>
+<Network Upgrade, monitors, Network Activation>
+<Service Complaint, connectedTo, Plan Renewal>
+<Spectrum Management, connectedTo, Customer Relationship Management>
+<Troubleshooting Guide, connectedTo, Plan Renewal>
diff --git a/test/diagrams/graph_medium/diagrams_292.dot b/test/diagrams/graph_medium/diagrams_292.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7679b7127d360991f2c660e7c0e137ae757accb9
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_292.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=LR
+	N0 [label="Records Transfer Processes" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N1 [label="Database Management" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N2 [label="Web Archiving" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N3 [label="Community Archiving Projects" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N4 [label="User Interface for Digital Archives" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+	N5 [label="Finding Aid Creation" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N6 [label="Subject Indexing for Archives" color="#9FA9E1" fillcolor="#D6D9F0" shape=predefinedprocess style=filled]
+	N7 [label="Archival Advocacy" color="#9FA9E1" fillcolor="#D6D9F0" shape=rect style=filled]
+	N8 [label="Exhibition Curation" color="#FFD54F" fillcolor="#FFF8E1" shape=database style=filled]
+	N9 [label="Authority Control for Archival Names" color="#9FA9E1" fillcolor="#D6D9F0" shape=multipledocuments style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Collection Management Policy {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Collection Management Policy"
+		nest0_0 [label="Serialization and Item Control" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+		nest0_1 [label="Digital Asset Management" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid label="exhibits" dir=forward]
+	N1 -> N2 [color="#9FA9E1" penwidth=1.5 style=solid label="manages" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#9FA9E1" penwidth=1.5 style=solid label="appraises" dir=forward]
+	nest0_0 -> nest0_1 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N4 [color="#E91E63" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N5 -> S0 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#E91E63" penwidth=1.5 style=solid label="secures" dir=forward]
+	N0 -> S1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	S1 -> N4 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#E91E63" penwidth=1.5 style=dashed label="stores" dir=forward]
+	N3 -> M0 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#E91E63" penwidth=1.5 style=dashed label="conserves" dir=forward]
+	M0 -> N5 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_293.dot b/test/diagrams/graph_medium/diagrams_293.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e7ca59b94fb1a852d9ddb858ec2eb4e07f115a29
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_293.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=RL
+	N0 [label="Digital Forensics for Archives" color="#CFCFCF" fillcolor="#F6F6F6" shape=predefinedprocess style=filled]
+	N1 [label="Access and Reference Services" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N2 [label="Legal and Ethical Compliance" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+	N3 [label="Exhibition Curation" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N4 [label="Community Archiving Projects" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N5 [label="Disaster Preparedness for Archives" color="#795548" fillcolor="#D7CCC8" shape=multipledocuments style=filled]
+	N6 [label="Long_Term Digital Preservation" color="#388E3C" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N7 [label="Ethical Use of Archival Materials" color="#CFCFCF" fillcolor="#F6F6F6" shape=vnode_shape style=filled]
+	S0 [label="" color="#CFCFCF" fillcolor="#F6F6F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#795548" fillcolor="#D7CCC8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#388E3C" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Oral History Collection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Oral History Collection"
+		nest0_0 [label="Digitization of Records" color="#CFCFCF" fillcolor="#F6F6F6" shape=preparation style=filled]
+		nest0_1 [label="Environmental Control" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+	}
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="audits" dir=forward]
+	nest0_0 -> nest0_1 [color="#CFCFCF" penwidth=1.5 style=solid label="locates" dir=forward]
+	N3 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> S0 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#000000" penwidth=1.5 style=dashed label="authenticates" dir=forward]
+	S0 -> N5 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#388E3C" penwidth=1.5 style=solid label="procedures" dir=forward]
+	N2 -> M0 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_295.txt b/test/diagrams/graph_medium/diagrams_295.txt
new file mode 100644
index 0000000000000000000000000000000000000000..358e0b37c440c105cdac87f687628a2ef538fab4
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_295.txt
@@ -0,0 +1,23 @@
+<3D Printing for Replicas, connectedTo, Visitor Analytics>
+<Collection Digitization, connectedTo, 3D Printing for Replicas>
+<Collection Digitization, develops, Visitor Analytics>
+<Collection Digitization, guides, Member Management Systems>
+<Community Engagement Platforms, connectedTo, Content Management Systems>
+<Community Engagement Platforms, displays, Member Management Systems>
+<Content Management Systems, connectedTo, Digital Archiving>
+<Content Management Systems, connectedTo, Member Management Systems>
+<Digital Archiving, restores, Security Systems Integration>
+<Exhibition Design, connectedTo, Mobile App Development>
+<Gamification of Museum Experiences, connectedTo, RFID for Object Tracking>
+<Gamification of Museum Experiences, personalizes, Visitor Analytics>
+<Member Management Systems, connectedTo, RFID for Object Tracking>
+<Member Management Systems, connectedTo, User Experience Design>
+<Member Management Systems, connectedTo, Visitor Analytics>
+<Mobile App Development, connectedTo, User Experience Design>
+<RFID for Object Tracking, connectedTo, Robotics in Exhibits>
+<RFID for Object Tracking, connectedTo, Visitor Analytics>
+<RFID for Object Tracking, sensors, 3D Printing for Replicas>
+<Robotics in Exhibits, connectedTo, Virtual Reality Experiences>
+<Security Systems Integration, renders, Collection Digitization>
+<User Experience Design, connectedTo, Gamification of Museum Experiences>
+<Virtual Reality Experiences, protects, Exhibition Design>
diff --git a/test/diagrams/graph_medium/diagrams_298.dot b/test/diagrams/graph_medium/diagrams_298.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1147ba6276234a844e0d99c0cd93906acf62cfba
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_298.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=TB
+	N0 [label="Data Ethics" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N1 [label="Third_Party Due Diligence" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N2 [label="Ethical Decision_Making Frameworks" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N3 [label="Code of Conduct Implementation" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N4 [label="Information Security Compliance" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N5 [label="Consumer Protection Compliance" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N6 [label="Sanctions Compliance" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N7 [label="Supplier Code of Conduct" color="#BA68C8" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N8 [label="Risk Assessment" color="#BA68C8" fillcolor="#F3E5F5" shape=document style=filled]
+	N9 [label="Internal Investigations" color="#BA68C8" fillcolor="#F3E5F5" shape=action style=filled]
+	N10 [label="Legal Advisory" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
+	N11 [label="Healthcare Compliance" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+	N12 [label="Conflict of Interest Management" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	S1 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Labor Law Compliance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Labor Law Compliance"
+		nest0_0 [label="Environmental Compliance" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+		nest0_1 [label="Transparent Communication" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="accredits" dir=forward]
+	N8 -> N9 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#2196F3" penwidth=1.5 style=solid label="codes" dir=forward]
+	N10 -> N11 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#2196F3" penwidth=1.5 style=dashed label="counsels" dir=forward]
+	N7 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed label="regulations" dir=forward]
+	nest0_1 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed label="investigates" dir=forward]
+	S1 -> N5 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	S1 -> N11 [color="#BA68C8" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N5 -> M0 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	M0 -> N7 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_301.txt b/test/diagrams/graph_medium/diagrams_301.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ae91d57ecb631c89425415fd97e2ab471e3e8faa
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_301.txt
@@ -0,0 +1,16 @@
+<Arson Investigation, connectedTo, Data Recovery>
+<Ballistics Analysis, connectedTo, Arson Investigation>
+<Cloud Forensics, connectedTo, Ballistics Analysis>
+<Cloud Forensics, connectedTo, Polygraph Examination>
+<Data Recovery, connectedTo, Fingerprint Analysis>
+<Document Examination, connectedTo, Cloud Forensics>
+<Evidence Preservation, connectedTo, Crime Database Search>
+<Fingerprint Analysis, educates, Legal Standards Compliance>
+<Forensic Photography, connectedTo, Crime Database Search>
+<Forensic Photography, connectedTo, Document Examination>
+<Forensic Photography, connectedTo, Polygraph Examination>
+<Forensic Photography, secures, Polygraph Examination>
+<Legal Standards Compliance, photographs, Evidence Preservation>
+<Malware Analysis, certifies, Forensic Photography>
+<Malware Analysis, connectedTo, Polygraph Examination>
+<Polygraph Examination, connectedTo, Legal Standards Compliance>
diff --git a/test/diagrams/graph_medium/diagrams_302.dot b/test/diagrams/graph_medium/diagrams_302.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1b4dbffb8397bb89b9c3a1d8c7ca3dd177c73b53
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_302.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=LR
+	N0 [label="Crime Scene Investigation" color="#C0CA33" fillcolor="#F9FBE7" shape=document style=filled]
+	N1 [label="Arson Investigation" color="#80DDEA" fillcolor="#D3F7F9" shape=database style=filled]
+	N2 [label="Data Recovery" color="#C0CA33" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N3 [label="Chain of Custody Management" color="#C0CA33" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N4 [label="Forensic Interviewing" color="#C0CA33" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N5 [label="Laboratory Analysis" color="#C0CA33" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N6 [label="Trace Evidence Analysis" color="#80DDEA" fillcolor="#D3F7F9" shape=multipledocuments style=filled]
+	N7 [label="Vehicle Forensics" color="#C0CA33" fillcolor="#F9FBE7" shape=action style=filled]
+	N8 [label="Expert Witness Testimony" color="#C0CA33" fillcolor="#F9FBE7" shape=action style=filled]
+	N9 [label="Polygraph Examination" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N10 [label="Legal Standards Compliance" color="#F06292" fillcolor="#FCE4EC" shape=database style=filled]
+	S1 [label="" color="#C0CA33" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#C0CA33" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#C0CA33" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Forensic Odontology {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Forensic Odontology"
+		nest0_0 [label="Evidence Collection" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+		nest0_1 [label="Network Forensics" color="#80DDEA" fillcolor="#D3F7F9" shape=database style=filled]
+		nest0_2 [label="Cloud Forensics" color="#F06292" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="advises" dir=forward]
+	N3 -> N4 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#80DDEA" penwidth=1.5 style=solid label="expert_testifies" dir=forward]
+	N6 -> N7 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> S1 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	N5 -> M0 [color="#F06292" penwidth=1.5 style=solid label="protects" dir=forward]
+	N1 -> M0 [color="#80DDEA" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N2 -> M0 [color="#C0CA33" penwidth=1.5 style=solid label="preserves_evidence" dir=forward]
+	M0 -> N8 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N8 -> M1 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	M1 -> N10 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_303.dot b/test/diagrams/graph_medium/diagrams_303.dot
new file mode 100644
index 0000000000000000000000000000000000000000..efe0fa1b6d51f1a6936c437016162f61df7369b9
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_303.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=TB
+	N0 [label="Cloud Forensics" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N1 [label="Chain of Custody Management" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N2 [label="Mobile Device Forensics" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N3 [label="Ballistics Analysis" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N4 [label="Evidence Preservation" color="#FFB74D" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N5 [label="Forensic Photography" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N6 [label="Courtroom Presentation" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N7 [label="Forensic Anthropology" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N8 [label="Malware Analysis" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	N9 [label="Fingerprint Analysis" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N10 [label="Forensic Pathology" color="#E91E63" fillcolor="#F8BBD0" shape=vnode_shape style=filled]
+	N11 [label="Laboratory Analysis" color="#E91E63" fillcolor="#F8BBD0" shape=action style=filled]
+	N12 [label="Toolmark Analysis" color="#E91E63" fillcolor="#F8BBD0" shape=action style=filled]
+	N13 [label="Expert Witness Testimony" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+	N14 [label="Crime Scene Investigation" color="#FFB74D" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	S0 [label="" color="#FFB74D" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Cyber Crime Investigation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Cyber Crime Investigation"
+		nest0_0 [label="Forensic Botany" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+		nest0_1 [label="Polygraph Examination" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+		nest0_2 [label="Trace Evidence Analysis" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFB74D" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N9 -> N10 [color="#E91E63" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#E91E63" penwidth=1.5 style=solid label="investigates" dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N6 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N11 -> M0 [color="#000000" penwidth=1.5 style=solid label="photographs" dir=forward]
+	N10 -> M0 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	M0 -> N14 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_303.txt b/test/diagrams/graph_medium/diagrams_303.txt
new file mode 100644
index 0000000000000000000000000000000000000000..75288a2ef57c173f430481bfa8086802f7c72be8
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_303.txt
@@ -0,0 +1,22 @@
+<Ballistics Analysis, connectedTo, Evidence Preservation>
+<Chain of Custody Management, connectedTo, Crime Scene Investigation>
+<Chain of Custody Management, connectedTo, Evidence Preservation>
+<Chain of Custody Management, connectedTo, Mobile Device Forensics>
+<Cloud Forensics, connectedTo, Chain of Custody Management>
+<Courtroom Presentation, secures, Forensic Anthropology>
+<Evidence Preservation, trains, Forensic Photography>
+<Expert Witness Testimony, connectedTo, Crime Scene Investigation>
+<Fingerprint Analysis, complies, Forensic Pathology>
+<Forensic Anthropology, connectedTo, Malware Analysis>
+<Forensic Botany, connectedTo, Polygraph Examination>
+<Forensic Pathology, connectedTo, Crime Scene Investigation>
+<Forensic Pathology, connectedTo, Laboratory Analysis>
+<Forensic Photography, connectedTo, Courtroom Presentation>
+<Laboratory Analysis, connectedTo, Forensic Botany>
+<Laboratory Analysis, connectedTo, Toolmark Analysis>
+<Laboratory Analysis, photographs, Crime Scene Investigation>
+<Malware Analysis, reports, Fingerprint Analysis>
+<Mobile Device Forensics, connectedTo, Ballistics Analysis>
+<Polygraph Examination, connectedTo, Trace Evidence Analysis>
+<Toolmark Analysis, investigates, Expert Witness Testimony>
+<Trace Evidence Analysis, connectedTo, Courtroom Presentation>
diff --git a/test/diagrams/graph_medium/diagrams_304.dot b/test/diagrams/graph_medium/diagrams_304.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f946440aa3b53e78d7448a06b8ca44be197365af
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_304.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=TB
+	N0 [label="Biometric Screening" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N1 [label="Threat Assessment" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N2 [label="Border Security" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N3 [label="Target Hardening" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N4 [label="Airport Security" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N5 [label="Critical Infrastructure Protection" color="#94C0C0" fillcolor="#CADEDE" shape=predefinedprocess style=filled]
+	N6 [label="Counter_Propaganda" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N7 [label="Behavioral Threat Assessment" color="#8C9EFF" fillcolor="#D3D7EB" shape=parallelogram style=filled]
+	N8 [label="Fusion Center Operations" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N9 [label="Cybersecurity Defense" color="#FFC085" fillcolor="#FFDAB9" shape=action style=filled]
+	N10 [label="Terrorism Financing Interdiction" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+	N11 [label="Military Counterterrorism" color="#8C9EFF" fillcolor="#D3D7EB" shape=inputoutput style=filled]
+	N12 [label="Law Enforcement Operations" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	N13 [label="Bomb Disposal" color="#FFC085" fillcolor="#FFDAB9" shape=multipledocuments style=filled]
+	N14 [label="Hostage Negotiation" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#94C0C0" fillcolor="#CADEDE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Early Warning Systems {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Early Warning Systems"
+		nest0_0 [label="Public Awareness Campaigns" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+		nest0_1 [label="Vulnerability Assessment" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+		nest0_2 [label="Post_Incident Recovery" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid label="secures" dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#8C9EFF" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid label="public_informs" dir=forward]
+	N7 -> N8 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="cyber_defends" dir=forward]
+	N9 -> N10 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#8C9EFF" penwidth=1.5 style=solid label="responds" dir=forward]
+	N12 -> N13 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#94C0C0" penwidth=1.5 style=dashed label="alerts" dir=forward]
+	nest0_0 -> nest0_1 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N6 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N3 -> S0 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#FFC085" penwidth=1.5 style=solid label="policies_develops" dir=forward]
+	S0 -> N13 [color="#FFC085" penwidth=1.5 style=solid label="evidence_collects" dir=forward]
+	S0 -> N6 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_307.dot b/test/diagrams/graph_medium/diagrams_307.dot
new file mode 100644
index 0000000000000000000000000000000000000000..16bdfc96bd33cf1ccd263ef34811adddcaab8ce0
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_307.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=RL
+	N0 [label="Traffic Surveillance" color="#26A69A" fillcolor="#E0F2F1" shape=preparation style=filled]
+	N1 [label="Remote Sensing" color="#388E3C" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N2 [label="Cyber Surveillance" color="#388E3C" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N3 [label="Automated Threat Detection" color="#388E3C" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N4 [label="Satellite Imaging" color="#388E3C" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N5 [label="Data Storage and Retention" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N6 [label="Wildlife Tracking" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N7 [label="Anomaly Detection" color="#388E3C" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N8 [label="Audio Surveillance" color="#388E3C" fillcolor="#F1F8E9" shape=document style=filled]
+	N9 [label="Behavioral Analytics" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Access Control Systems {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Access Control Systems"
+		nest0_0 [label="Video Analytics" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+		nest0_1 [label="Border Surveillance" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+		nest0_2 [label="Pattern Recognition" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+		nest0_3 [label="Data Collection" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed label="receives" dir=forward]
+	N2 -> N3 [color="#26A69A" penwidth=1.5 style=solid label="secures" dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#388E3C" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#FBC02D" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N6 -> nest0_0 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N4 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#FBC02D" penwidth=1.5 style=solid label="notifies" dir=forward]
+	M0 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_312.dot b/test/diagrams/graph_medium/diagrams_312.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f94ff83b108ce875ff453e3fd23dae3c719e8b1f
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_312.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=RL
+	N0 [label="Burglary Prevention" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N1 [label="Neighborhood Watch Programs" color="#FFCC80" fillcolor="#FFF0CC" shape=predefinedprocess style=filled]
+	N2 [label="Reintegration Programs" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N3 [label="Robbery Prevention" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N4 [label="Target Hardening" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	N5 [label="Hotspot Policing" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N6 [label="CCTV Installation" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N7 [label="Crime Data Analysis" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+	N8 [label="Policy Development for Prevention" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N9 [label="Victim Support Services" color="#AF56A6" fillcolor="#DDCEDD" shape=rect style=filled]
+	N10 [label="Youth Programs" color="#AF56A6" fillcolor="#DDCEDD" shape=vnode_shape style=filled]
+	N11 [label="Law Enforcement Training" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N12 [label="School Safety Programs" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N13 [label="Security Lighting" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	S0 [label="" color="#A188D0" fillcolor="#DACBE3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Cybercrime Prevention {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Cybercrime Prevention"
+		nest0_0 [label="Community Policing" color="#AF56A6" fillcolor="#DDCEDD" shape=diamond style=filled]
+		nest0_1 [label="Crisis Intervention" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=solid label="crime_types" dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="laws_enforces" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="supports_victims" dir=forward]
+	N7 -> N8 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#A188D0" penwidth=1.5 style=solid label="environments_designs" dir=forward]
+	N11 -> N12 [color="#FFCC80" penwidth=1.5 style=solid label="analyzes_data" dir=forward]
+	N12 -> N13 [color="#AF56A6" penwidth=1.5 style=dashed label="strategies_develops" dir=forward]
+	nest0_0 -> nest0_1 [color="#AF56A6" penwidth=1.5 style=dashed label="programs_initiates" dir=forward]
+	N1 -> nest0_0 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N1 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N2 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N11 [color="#A188D0" penwidth=1.5 style=solid label="evaluates_effectiveness" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_313.dot b/test/diagrams/graph_medium/diagrams_313.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3c752a1db1f5d61e89bc1fc409cd8201666f2b5a
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_313.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=BT
+	N0 [label="Wetland Restoration" color="#E0E0E0" fillcolor="#EBEBEB" shape=vnode_shape style=filled]
+	N1 [label="Ecological Survey" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N2 [label="GIS Mapping for Habitats" color="#9FA9E1" fillcolor="#D6D9F0" shape=inputoutput style=filled]
+	N3 [label="Conservation Genetics" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N4 [label="Satellite Tracking of Animals" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N5 [label="Drone_based Monitoring" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	S0 [label="" color="#A188D0" fillcolor="#DACBE3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#9FA9E1" fillcolor="#D6D9F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Wildlife Rescue and Rehabilitation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Wildlife Rescue and Rehabilitation"
+		nest0_0 [label="Protected Area Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=vnode_shape style=filled]
+		nest0_1 [label="Human_Wildlife Conflict Mitigation" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+		nest0_2 [label="Genetic Diversity Analysis" color="#E0E0E0" fillcolor="#EBEBEB" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#A188D0" penwidth=1.5 style=dashed label="habitats_preserves" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#A188D0" penwidth=1.5 style=dashed label="anti_poaching_fights" dir=forward]
+	nest0_1 -> nest0_2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N2 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N2 -> S0 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#9FA9E1" penwidth=1.5 style=dashed label="partners" dir=forward]
+	N0 -> S1 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=solid label="sustainable_uses" dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	M1 -> N5 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_317.txt b/test/diagrams/graph_medium/diagrams_317.txt
new file mode 100644
index 0000000000000000000000000000000000000000..70fb2643d70edd17a6ccc22ead96bf640291dc8d
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_317.txt
@@ -0,0 +1,19 @@
+<Biological Oceanography, connectedTo, Polar Oceanography>
+<Coastal Zone Management, analyzes_data, Ocean Current Measurement>
+<Deep_Sea Exploration, connectedTo, Marine Life Observation>
+<Fisheries Management, connectedTo, Ocean Drilling Programs>
+<Marine Geology, connectedTo, Ocean Acidification Research>
+<Marine Hazards Assessment, connectedTo, Coastal Zone Management>
+<Marine Hazards Assessment, connectedTo, Fisheries Management>
+<Marine Life Observation, connectedTo, Satellite Oceanography>
+<Ocean Acidification Research, connectedTo, Sea Level Monitoring>
+<Ocean Current Measurement, connectedTo, Marine Protected Area Planning>
+<Ocean Drilling Programs, connectedTo, Physical Oceanography>
+<Ocean Drilling Programs, reports, Coastal Zone Management>
+<Physical Oceanography, connectedTo, Marine Geology>
+<Physical Oceanography, connectedTo, Marine Hazards Assessment>
+<Polar Oceanography, connectedTo, Deep_Sea Exploration>
+<Polar Oceanography, temperature, Coastal Zone Management>
+<Satellite Oceanography, connectedTo, Coastal Zone Management>
+<Satellite Oceanography, samples, Physical Oceanography>
+<Sea Level Monitoring, connectedTo, Coastal Zone Management>
diff --git a/test/diagrams/graph_medium/diagrams_32.dot b/test/diagrams/graph_medium/diagrams_32.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4c121b4749a959a8214a8ed738163d35f429b1d0
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_32.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Barn Cleaning" color="#64B5F6" fillcolor="#E3F2FD" shape=multipledocuments style=filled]
+	N1 [label="Seed Sowing" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N2 [label="Precision Farming" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N3 [label="Drone Scouting" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N4 [label="Soil Nutrient Management" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N5 [label="Supply Chain to Retailers" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N6 [label="Greenhouse Control" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+	N7 [label="Organic Certification" color="#64B5F6" fillcolor="#E3F2FD" shape=action style=filled]
+	N8 [label="Crop Monitoring" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N9 [label="Food Processing" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N10 [label="Market Transportation" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N11 [label="Soil Testing" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	S0 [label="" color="#64B5F6" fillcolor="#E3F2FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFC2C2" fillcolor="#FFEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFC2C2" fillcolor="#FFEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Yield Prediction {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Yield Prediction"
+		nest0_0 [label="Fertilizer Application" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+		nest0_1 [label="Packaging for Sale" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+		nest0_2 [label="Seedling Transplanting" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#FFB74D" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#64B5F6" penwidth=1.5 style=solid label="automates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#64B5F6" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#64B5F6" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N10 -> N11 [color="#FFB74D" penwidth=1.5 style=solid label="certifies" dir=forward]
+	nest0_0 -> nest0_1 [color="#64B5F6" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	nest0_1 -> nest0_2 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N3 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N10 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N11 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	M0 -> N10 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#64B5F6" penwidth=1.5 style=dashed label="sells" dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M1 -> N6 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_324.dot b/test/diagrams/graph_medium/diagrams_324.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5f584f23538af7ad4d0e7585ee6e82b1cd24e923
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_324.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=LR
+	N0 [label="Genomic Editing" color="#D3EB9F" fillcolor="#F8FDD3" shape=predefinedprocess style=filled]
+	N1 [label="Metabolomics" color="#DCE775" fillcolor="#FCFCE7" shape=document style=filled]
+	N2 [label="Computational Genomics" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N3 [label="Disease Gene Identification" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N4 [label="Personalized Medicine" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N5 [label="Data Privacy in Genomics" color="#D3EB9F" fillcolor="#F8FDD3" shape=predefinedprocess style=filled]
+	N6 [label="Bioinformatics Pipeline Development" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N7 [label="Genetic Counseling" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N8 [label="Structural Genomics" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+	N9 [label="CRISPR Gene Drive Research" color="#FFDA4E" fillcolor="#FFE88D" shape=predefinedprocess style=filled]
+	N10 [label="Gene Annotation" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N11 [label="Gene Therapy Development" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+	N12 [label="Cancer Genomics" color="#D3EB9F" fillcolor="#F8FDD3" shape=preparation style=filled]
+	N13 [label="Microbial Genomics" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N14 [label="Genomic Data Visualization" color="#DCE775" fillcolor="#FCFCE7" shape=rect style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Methylation Analysis {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Methylation Analysis"
+		nest0_0 [label="Genomic Data Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+		nest0_1 [label="Spatial Genomics" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#FFDA4E" penwidth=1.5 style=solid label="sequences" dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#D3EB9F" penwidth=1.5 style=dashed label="edits" dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=solid label="privacy_protects" dir=forward]
+	N4 -> N5 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#D3EB9F" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#D3EB9F" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N13 -> N14 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid label="tools_creates" dir=forward]
+	N13 -> nest0_0 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N7 [color="#000000" penwidth=1.5 style=solid label="synthesizes" dir=forward]
+	N5 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N11 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	M0 -> N7 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_324.txt b/test/diagrams/graph_medium/diagrams_324.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c0dd6b60005041df57617cb2ceb9c2d99d36d12
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_324.txt
@@ -0,0 +1,21 @@
+<Bioinformatics Pipeline Development, connectedTo, Genetic Counseling>
+<CRISPR Gene Drive Research, connectedTo, Gene Annotation>
+<Cancer Genomics, diagnoses, Microbial Genomics>
+<Computational Genomics, connectedTo, Genetic Counseling>
+<Computational Genomics, edits, Disease Gene Identification>
+<Data Privacy in Genomics, connectedTo, Bioinformatics Pipeline Development>
+<Data Privacy in Genomics, connectedTo, Gene Annotation>
+<Data Privacy in Genomics, connectedTo, Gene Therapy Development>
+<Data Privacy in Genomics, connectedTo, Genetic Counseling>
+<Disease Gene Identification, privacy_protects, Personalized Medicine>
+<Gene Annotation, connectedTo, Gene Therapy Development>
+<Gene Therapy Development, connectedTo, Cancer Genomics>
+<Genetic Counseling, connectedTo, Structural Genomics>
+<Genomic Data Analysis, tools_creates, Spatial Genomics>
+<Genomic Editing, sequences, Metabolomics>
+<Metabolomics, connectedTo, Computational Genomics>
+<Microbial Genomics, connectedTo, Genomic Data Analysis>
+<Microbial Genomics, connectedTo, Genomic Data Visualization>
+<Personalized Medicine, connectedTo, Data Privacy in Genomics>
+<Spatial Genomics, synthesizes, Genetic Counseling>
+<Structural Genomics, complies, CRISPR Gene Drive Research>
diff --git a/test/diagrams/graph_medium/diagrams_326.txt b/test/diagrams/graph_medium/diagrams_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3b8943e34ca05c62f7197fce15757529a7f8f86a
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_326.txt
@@ -0,0 +1,17 @@
+<Accent Recognition, connectedTo, Speech_to_Text Conversion>
+<Acoustic Modeling, integrates, Speech Emotion Recognition>
+<Children's Speech Recognition, outputs, Linguistic Analysis>
+<Cross_Lingual Speech Recognition, connectedTo, Speech Analytics>
+<Cross_Lingual Speech Recognition, deploys, Speech Emotion Recognition>
+<Language Modeling, connectedTo, Speaker Identification>
+<Legal Transcription, supports, Voice Search Optimization>
+<Linguistic Analysis, connectedTo, Cross_Lingual Speech Recognition>
+<Speaker Identification, connectedTo, Speech Emotion Recognition>
+<Speaker Identification, connectedTo, Voice Activity Detection>
+<Speaker Identification, recognizes, Children's Speech Recognition>
+<Speaker Identification, transcribes, Accent Recognition>
+<Speech Analytics, connectedTo, Legal Transcription>
+<Speech Data Annotation, connectedTo, Language Modeling>
+<Speech Emotion Recognition, connectedTo, Accent Recognition>
+<Speech_to_Text Conversion, connectedTo, Voice Activity Detection>
+<Voice Search Optimization, connectedTo, Acoustic Modeling>
diff --git a/test/diagrams/graph_medium/diagrams_329.txt b/test/diagrams/graph_medium/diagrams_329.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9b93e1a4ad21721a6a01147716cae73967bb11a8
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_329.txt
@@ -0,0 +1,20 @@
+<Annotation Tools, blocks, Legal Document Analysis>
+<Annotation Tools, connectedTo, Data Cleaning for Text>
+<Corpus Creation, connectedTo, Social Media Text Analysis>
+<Corpus Creation, connectedTo, Topic Modeling>
+<Data Cleaning for Text, models, Corpus Creation>
+<Keyword Extraction, connectedTo, Data Cleaning for Text>
+<Keyword Extraction, connectedTo, Social Media Text Analysis>
+<Keyword Extraction, protects, Annotation Tools>
+<Language Translation for Text Mining, applies, Keyword Extraction>
+<Language Translation for Text Mining, connectedTo, Data Cleaning for Text>
+<Language Translation for Text Mining, connectedTo, Text Similarity Analysis>
+<Language Translation for Text Mining, develops_algorithms, Social Media Text Analysis>
+<Legal Document Analysis, connectedTo, Text Visualization>
+<Machine Learning for Text Mining, connectedTo, Language Translation for Text Mining>
+<Relationship Extraction, connectedTo, Vector Space Models>
+<Social Media Text Analysis, connectedTo, Knowledge Graph Construction>
+<Text Similarity Analysis, complies, Social Media Text Analysis>
+<Text Visualization, researches, Relationship Extraction>
+<Topic Modeling, connectedTo, Text Similarity Analysis>
+<Vector Space Models, transforms_data, Corpus Creation>
diff --git a/test/diagrams/graph_medium/diagrams_334.txt b/test/diagrams/graph_medium/diagrams_334.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3b4128eb4315a7f3b75a460108d2765b04c3aed
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_334.txt
@@ -0,0 +1,15 @@
+<Audit Trail for Automation, connectedTo, Robotic Process Automation Implementation>
+<Business Rule Engines, orchestrates, Return on Investment Calculation>
+<Change Management for Automation, automates, Report Generation Automation>
+<Natural Language Processing for Automation, connectedTo, Audit Trail for Automation>
+<Process Mapping, connectedTo, Workflow Analysis>
+<Process Mapping, tracks, Automated Data Validation>
+<Report Generation Automation, connectedTo, Natural Language Processing for Automation>
+<Report Generation Automation, consults, Supply Chain Automation>
+<Report Generation Automation, streamlines, Automated Data Validation>
+<Return on Investment Calculation, connectedTo, Natural Language Processing for Automation>
+<Robotic Process Automation Implementation, connectedTo, Automated Data Validation>
+<Robotic Process Automation Implementation, connectedTo, Workflow Analysis>
+<Robotic Process Automation Implementation, integrates_systems, Process Mapping>
+<Supply Chain Automation, connectedTo, Business Rule Engines>
+<Workflow Analysis, connectedTo, Automated Data Validation>
diff --git a/test/diagrams/graph_medium/diagrams_336.dot b/test/diagrams/graph_medium/diagrams_336.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6b6a4865ebb156ac1ed8df43699f84ce22437355
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_336.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=RL
+	N0 [label="User Training for Automated Systems" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N1 [label="Process Mining" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N2 [label="Natural Language Processing for Automation" color="#4CAF50" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N3 [label="Robotic Process Automation Implementation" color="#9575CD" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N4 [label="Chatbot Integration" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N5 [label="Decision Automation" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N6 [label="HR Process Automation" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	S0 [label="" color="#4CAF50" fillcolor="#C8E6C9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#AF56A6" fillcolor="#DDCEDD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Scripting for Automation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Scripting for Automation"
+		nest0_0 [label="Business Rule Engines" color="#9575CD" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest0_1 [label="Low_Code or No_Code Automation" color="#4CAF50" fillcolor="#C8E6C9" shape=rect style=filled]
+		nest0_2 [label="Integration with Existing Systems" color="#9575CD" fillcolor="#EDE7F6" shape=document style=filled]
+	}
+	N0 -> N1 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed label="accelerates_operations" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#9575CD" penwidth=1.5 style=dashed label="AI_applies" dir=forward]
+	nest0_0 -> nest0_1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N1 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#9575CD" penwidth=1.5 style=solid label="configures_rules" dir=forward]
+	N4 -> M0 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	M0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_336.txt b/test/diagrams/graph_medium/diagrams_336.txt
new file mode 100644
index 0000000000000000000000000000000000000000..16e5b7b44b51411379228c59d2a7591c0592711f
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_336.txt
@@ -0,0 +1,14 @@
+<Business Rule Engines, connectedTo, Low_Code or No_Code Automation>
+<Chatbot Integration, connectedTo, Decision Automation>
+<Chatbot Integration, connectedTo, HR Process Automation>
+<Decision Automation, AI_applies, HR Process Automation>
+<Integration with Existing Systems, connectedTo, Process Mining>
+<Low_Code or No_Code Automation, connectedTo, Integration with Existing Systems>
+<Natural Language Processing for Automation, accelerates_operations, Robotic Process Automation Implementation>
+<Natural Language Processing for Automation, connectedTo, Business Rule Engines>
+<Process Mining, configures_rules, HR Process Automation>
+<Process Mining, connectedTo, Natural Language Processing for Automation>
+<Robotic Process Automation Implementation, connectedTo, Chatbot Integration>
+<User Training for Automated Systems, connectedTo, Chatbot Integration>
+<User Training for Automated Systems, connectedTo, HR Process Automation>
+<User Training for Automated Systems, connectedTo, Process Mining>
diff --git a/test/diagrams/graph_medium/diagrams_337.txt b/test/diagrams/graph_medium/diagrams_337.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7d914ea0e14e6580294e3145540fd18c36d8c7fb
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_337.txt
@@ -0,0 +1,18 @@
+<Corrective and Preventive Actions, defects_detects, Metrology>
+<Customer Feedback Analysis, connectedTo, Service Quality Management>
+<Defect Detection, connectedTo, Inspection Procedures>
+<Defect Detection, connectedTo, Root Cause Analysis>
+<Defect Detection, connectedTo, Supplier Quality Management>
+<Hardware Quality Testing, connectedTo, Quality Standards Development>
+<Hardware Quality Testing, methodologies_applies, Corrective and Preventive Actions>
+<Metrology, connectedTo, Inspection Procedures>
+<Metrology, develops, Service Quality Management>
+<Metrology, risk_manages, Software Quality Assurance>
+<Pharmaceutical Quality Control, connectedTo, Quality Data Analysis>
+<Quality Data Analysis, connectedTo, Metrology>
+<Quality Standards Development, connectedTo, Defect Detection>
+<Root Cause Analysis, connectedTo, Customer Feedback Analysis>
+<Service Quality Management, connectedTo, Quality Standards Development>
+<Software Quality Assurance, connectedTo, Root Cause Analysis>
+<Supplier Quality Management, standards_sets, Pharmaceutical Quality Control>
+<Trend Analysis, connectedTo, Hardware Quality Testing>
diff --git a/test/diagrams/graph_medium/diagrams_338.txt b/test/diagrams/graph_medium/diagrams_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f8c918c204005e796997f7acc37ea7a54afd6fc
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_338.txt
@@ -0,0 +1,22 @@
+<Automated Optical Inspection, software_implements, Component Inspection>
+<Component Inspection, connectedTo, Quality Standards Development>
+<Defect Detection, connectedTo, Quality Planning>
+<Defect Detection, connectedTo, Software Quality Assurance>
+<Defect Detection, non_conformances_identifies, Quality Control Tools>
+<Measurement System Analysis, connectedTo, Sampling Plans>
+<Measurement System Analysis, data_collects, Automated Optical Inspection>
+<Process Monitoring, connectedTo, Software Quality Assurance>
+<Process Monitoring, validates, Six Sigma Methodologies>
+<Quality Control Tools, connectedTo, Process Monitoring>
+<Quality Control Tools, waste_reduces, Software Quality Assurance>
+<Quality Data Analysis, connectedTo, Non_Conformance Management>
+<Quality Management Systems, connectedTo, Measurement System Analysis>
+<Quality Planning, connectedTo, Quality Management Systems>
+<Quality Standards Development, connectedTo, Non_Conformance Management>
+<Sampling Plans, connectedTo, Service Quality Management>
+<Service Quality Management, connectedTo, Quality Data Analysis>
+<Six Sigma Methodologies, automates, Software Quality Assurance>
+<Six Sigma Methodologies, connectedTo, Quality Planning>
+<Software Quality Assurance, connectedTo, Quality Data Analysis>
+<Software Quality Assurance, inspects, Quality Planning>
+<Software Quality Assurance, preventive_actions_applies, Non_Conformance Management>
diff --git a/test/diagrams/graph_medium/diagrams_34.dot b/test/diagrams/graph_medium/diagrams_34.dot
new file mode 100644
index 0000000000000000000000000000000000000000..93f61ea765efbecb0f5f1b74d0375fae24a23659
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_34.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=TB
+	N0 [label="Lost and Found Service" color="#7E57C2" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N1 [label="Duty_Free Shopping" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N2 [label="Activity Booking" color="#9FA9E1" fillcolor="#D6D9F0" shape=rectangle style=filled]
+	N3 [label="Local Transport" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N4 [label="Destination Selection" color="#90A4AE" fillcolor="#ECEFF1" shape=predefinedprocess style=filled]
+	N5 [label="Return Trip" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N6 [label="Flight Booking" color="#7E57C2" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N7 [label="Trip Sharing" color="#7E57C2" fillcolor="#EDE7F6" shape=diamond style=filled]
+	S1 [label="" color="#7E57C2" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Concert Ticketing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Concert Ticketing"
+		nest0_0 [label="Language Translation Service" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+		nest0_1 [label="Booking Modification" color="#9FA9E1" fillcolor="#D6D9F0" shape=rectangle style=filled]
+		nest0_2 [label="Currency Exchange" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#9FA9E1" penwidth=1.5 style=solid label="entertains" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid label="modifies" dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=solid label="sustains" dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N1 -> nest0_0 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N4 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S1 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N1 -> M0 [color="#90A4AE" penwidth=1.5 style=solid label="assigns" dir=forward]
+	N0 -> M0 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_342.dot b/test/diagrams/graph_medium/diagrams_342.dot
new file mode 100644
index 0000000000000000000000000000000000000000..33cb0317adea939bd28308e1291527c8569b0a2e
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_342.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=TB
+	N0 [label="Compliance Reporting" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N1 [label="Asset Management" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	N2 [label="Inventory Management" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N3 [label="Cloud ERP Deployment" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N4 [label="ERP Consulting" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N5 [label="Integration with Other Systems" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="Supply Chain Management" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	N7 [label="Reporting and Analytics" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N8 [label="Implementation Roadmap Development" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N9 [label="Sales and Distribution" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFE470" fillcolor="#FFFAE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_User Training {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="User Training"
+		nest0_0 [label="Data Migration" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+		nest0_1 [label="Post_Go_Live Support" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFE470" penwidth=1.5 style=dashed label="supply_chains_manages" dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFE470" penwidth=1.5 style=dashed label="plans" dir=forward]
+	nest0_0 -> nest0_1 [color="#4FC3F7" penwidth=1.5 style=solid label="projects_manages" dir=forward]
+	N6 -> nest0_0 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S1 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N0 -> M0 [color="#FFE470" penwidth=1.5 style=solid label="protects" dir=forward]
+	N2 -> M0 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_343.txt b/test/diagrams/graph_medium/diagrams_343.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5f836927696a57383321e17d1d2963df626ca227
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_343.txt
@@ -0,0 +1,18 @@
+<Crop Health Monitoring, connectedTo, Digital Soil Mapping>
+<Crop Health Monitoring, connectedTo, Geographic Information Systems for Farms>
+<Crop Health Monitoring, connectedTo, Market Price Forecasting>
+<Decision Support Systems for Farmers, predicts, Farm Management Dashboards>
+<Digital Soil Mapping, connectedTo, Decision Support Systems for Farmers>
+<Digital Soil Mapping, connectedTo, Yield Mapping>
+<Farm Management Dashboards, connectedTo, Farm Management Software>
+<Farm Management Software, connectedTo, IoT in Agriculture>
+<Geographic Information Systems for Farms, drones_uses, Pest and Disease Management Systems>
+<IoT in Agriculture, connectedTo, Crop Health Monitoring>
+<IoT in Agriculture, resource_efficiency_improves, Market Price Forecasting>
+<IoT in Agriculture, waste_reduces, Market Price Forecasting>
+<Livestock Feeding Automation, connectedTo, IoT in Agriculture>
+<Livestock Feeding Automation, connectedTo, Market Price Forecasting>
+<Market Price Forecasting, connectedTo, Geographic Information Systems for Farms>
+<Pest and Disease Management Systems, connectedTo, Digital Soil Mapping>
+<Smart Livestock Monitoring, connectedTo, Forestry Management with Digital Tools>
+<Yield Mapping, connectedTo, Smart Livestock Monitoring>
diff --git a/test/diagrams/graph_medium/diagrams_348.dot b/test/diagrams/graph_medium/diagrams_348.dot
new file mode 100644
index 0000000000000000000000000000000000000000..65b0f437a54d00d21b843ce4f2974dcf87c0195a
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_348.dot
@@ -0,0 +1,47 @@
+digraph {
+	rankdir=BT
+	N0 [label="Fan Community Building" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N1 [label="Broadcast Technology for Esports" color="#BDAFA8" fillcolor="#E4E0DF" shape=predefinedprocess style=filled]
+	N2 [label="Anti_Cheat Measures" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+	N3 [label="Sponsorship Acquisition" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N4 [label="Team Management" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N5 [label="Player Wellness Programs" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N6 [label="Game Strategy Development" color="#BDAFA8" fillcolor="#E4E0DF" shape=preparation style=filled]
+	N7 [label="Game Server Management" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+	N8 [label="Data Security for Competitions" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N9 [label="Event Broadcasting" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N10 [label="Merchandise Sales" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	S0 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFE470" fillcolor="#FFFAE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Esports Team Ownership {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Esports Team Ownership"
+		nest0_0 [label="Ticketing Sales" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
+		nest0_1 [label="Mental Health Support for Players" color="#BDAFA8" fillcolor="#E4E0DF" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFE470" penwidth=1.5 style=dashed label="broadcasts" dir=forward]
+	N2 -> N3 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> nest0_0 [color="#BDAFA8" penwidth=1.5 style=solid label="competes" dir=forward]
+	nest0_1 -> N9 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S0 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed label="health_supports" dir=forward]
+	S0 -> N9 [color="#FFD54F" penwidth=1.5 style=solid label="streams" dir=forward]
+	S0 -> N10 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N0 -> S1 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	S1 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid label="manages" dir=forward]
+	S1 -> N2 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#FFE470" penwidth=1.5 style=solid label="recruits" dir=forward]
+	N5 -> M0 [color="#BDAFA8" penwidth=1.5 style=dashed label="organizes" dir=forward]
+	M0 -> N7 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_351.txt b/test/diagrams/graph_medium/diagrams_351.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7fca371817e6bdb18beea151d2391341edca0d20
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_351.txt
@@ -0,0 +1,16 @@
+<Cellular Neuroscience, innovates, Neuroethics>
+<Gene Therapy for Neurological Disorders, connectedTo, Optogenetics>
+<Genetic Basis of Brain Disorders, connectedTo, Molecular Neuroscience>
+<Learning Mechanisms Study, connectedTo, Molecular Neuroscience>
+<Learning Mechanisms Study, connectedTo, Neuroethics>
+<Learning Mechanisms Study, data_collects, Cellular Neuroscience>
+<Memory Formation Research, collaborates, Molecular Neuroscience>
+<Memory Formation Research, connectedTo, Cellular Neuroscience>
+<Memory Formation Research, connectedTo, Molecular Neuroscience>
+<Memory Formation Research, discovers, Sleep Research>
+<Molecular Neuroscience, connectedTo, Cellular Neuroscience>
+<Optogenetics, connectedTo, Genetic Basis of Brain Disorders>
+<Sensory Perception Research, connectedTo, Gene Therapy for Neurological Disorders>
+<Sleep Research, connectedTo, Learning Mechanisms Study>
+<Sleep Research, connectedTo, Molecular Neuroscience>
+<Sleep Research, connectedTo, Sensory Perception Research>
diff --git a/test/diagrams/graph_medium/diagrams_353.dot b/test/diagrams/graph_medium/diagrams_353.dot
new file mode 100644
index 0000000000000000000000000000000000000000..64eed712fb0e3ff6446aa4b622ca3534b7b1def2
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_353.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=TB
+	N0 [label="Heritage Impact Assessment" color="#B8C0F5" fillcolor="#ECF0FD" shape=rectangle style=filled]
+	N1 [label="Climate Change Impact on Heritage" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N2 [label="Archaeological Excavation" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N3 [label="Digital Documentation" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N4 [label="Site Preservation" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N5 [label="Illicit Trafficking Control" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N6 [label="Restoration Techniques" color="#B8C0F5" fillcolor="#ECF0FD" shape=predefinedprocess style=filled]
+	N7 [label="Artifact Conservation" color="#E91E63" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N8 [label="Indigenous Cultural Heritage Rights" color="#B8C0F5" fillcolor="#ECF0FD" shape=action style=filled]
+	subgraph cluster_Virtual Reality Recreations {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Virtual Reality Recreations"
+		nest0_0 [label="Archival Management" color="#92C79A" fillcolor="#E8F0EA" shape=rectangle style=filled]
+		nest0_1 [label="Public Education Programs" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=dashed label="curates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed label="data_collects" dir=forward]
+	N7 -> N8 [color="#B8C0F5" penwidth=1.5 style=dashed label="catalogs" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> nest0_0 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N6 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N7 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> N7 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_357.dot b/test/diagrams/graph_medium/diagrams_357.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3edc54bcef5067b0b7a99794a9b5503a226c866c
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_357.dot
@@ -0,0 +1,57 @@
+digraph {
+	rankdir=LR
+	N0 [label="CRISPR_Cas System Optimization" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N1 [label="Protein Design" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N2 [label="Cell_Free Systems" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N3 [label="Bio_logic Gates" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N4 [label="Biosecurity Protocols" color="#4FC3F7" fillcolor="#E1F5FE" shape=inputoutput style=filled]
+	N5 [label="Biosensor Development" color="#4FC3F7" fillcolor="#E1F5FE" shape=database style=filled]
+	N6 [label="Artificial Cells" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N7 [label="Biosafety Level Management" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N8 [label="Biofoundry Operations" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N9 [label="Sustainable Chemical Production" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+	N10 [label="Directed Evolution" color="#4FC3F7" fillcolor="#E1F5FE" shape=rect style=filled]
+	N11 [label="Bio_computation" color="#64B5F6" fillcolor="#E3F2FD" shape=document style=filled]
+	S0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Genome Engineering {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Genome Engineering"
+		nest0_0 [label="Cellular Reprogramming" color="#4FC3F7" fillcolor="#E1F5FE" shape=rect style=filled]
+		nest0_1 [label="Biocontainment Strategies" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+		nest0_2 [label="High_Throughput Screening" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="ferments" dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=solid label="DNA_sequences" dir=forward]
+	N5 -> N6 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4FC3F7" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N7 -> N8 [color="#6FE1D5" penwidth=1.5 style=solid label="rewrites" dir=forward]
+	N8 -> N9 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#4FC3F7" penwidth=1.5 style=solid label="tests" dir=forward]
+	N9 -> nest0_0 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N7 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#4FC3F7" penwidth=1.5 style=dashed label="modifies" dir=forward]
+	S1 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N5 -> M0 [color="#64B5F6" penwidth=1.5 style=solid label="safety_ensures" dir=forward]
+	N0 -> M0 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	M0 -> N9 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#000000" penwidth=1.5 style=solid label="patents" dir=forward]
+	N1 -> M1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	M1 -> N5 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_358.dot b/test/diagrams/graph_medium/diagrams_358.dot
new file mode 100644
index 0000000000000000000000000000000000000000..62c2b77ba8b0876caf91e2571d088223a0edcd96
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_358.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=TB
+	N0 [label="Formative Assessment Tools" color="#FFB2A5" fillcolor="#FFDCD6" shape=inputoutput style=filled]
+	N1 [label="E_Learning Platform Design" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N2 [label="Data Privacy in Education" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N3 [label="Student Information Systems" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N4 [label="AI in Education" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N5 [label="Blockchain for Educational Credentials" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N6 [label="Collaborative Learning Platforms" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N7 [label="Learning Design Principles" color="#FFB2A5" fillcolor="#FFDCD6" shape=rect style=filled]
+	N8 [label="Personalized Learning Paths" color="#FFB2A5" fillcolor="#FFDCD6" shape=inputoutput style=filled]
+	N9 [label="Assessment Tools" color="#00BCD4" fillcolor="#B2EBF2" shape=inputoutput style=filled]
+	N10 [label="Student Performance Tracking" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+	S0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Virtual Labs {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Virtual Labs"
+		nest0_0 [label="Social_Emotional Learning Tools" color="#FFB2A5" fillcolor="#FFDCD6" shape=preparation style=filled]
+		nest0_1 [label="Educational Data Mining" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=solid label="robotics_integrates" dir=forward]
+	N3 -> N4 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFB2A5" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N9 -> N10 [color="#A2D0FF" penwidth=1.5 style=solid label="delivers" dir=forward]
+	nest0_0 -> nest0_1 [color="#00BCD4" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N3 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N4 -> S0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N4 -> S1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N8 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_37.dot b/test/diagrams/graph_medium/diagrams_37.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f587d6a05561d4e850aacc1f85a6dcf5cefb7816
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_37.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=RL
+	N0 [label="Home Inspection" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N1 [label="Mortgage Application Assistance" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N2 [label="Document Signing" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N3 [label="Land Acquisition" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N4 [label="Property Insurance" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N5 [label="Rental Agreement" color="#81C784" fillcolor="#F1F8E9" shape=action style=filled]
+	N6 [label="Agent Assignment" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N7 [label="Commercial Lease Negotiation" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N8 [label="Offer Submission" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N9 [label="Market Trend Analysis" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Tenant Screening {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Tenant Screening"
+		nest0_0 [label="Zoning Compliance" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+		nest0_1 [label="Contract Review" color="#FBC02D" fillcolor="#FFFDE7" shape=database style=filled]
+		nest0_2 [label="Escrow Setup" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	}
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A1887F" penwidth=1.5 style=dashed label="permits" dir=forward]
+	N3 -> N4 [color="#FBC02D" penwidth=1.5 style=solid label="complies" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed label="zones" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#81C784" penwidth=1.5 style=solid label="evaluates" dir=forward]
+	nest0_0 -> nest0_1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A1887F" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N8 -> nest0_0 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N4 -> S0 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#81C784" penwidth=1.5 style=dashed label="constructs" dir=forward]
+	N4 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N6 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_37.txt b/test/diagrams/graph_medium/diagrams_37.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ac293cf2b764c7468f5bd15b3e5dde5b4920577c
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_37.txt
@@ -0,0 +1,17 @@
+<Agent Assignment, zones, Commercial Lease Negotiation>
+<Commercial Lease Negotiation, connectedTo, Offer Submission>
+<Contract Review, maintains, Escrow Setup>
+<Document Signing, permits, Land Acquisition>
+<Escrow Setup, connectedTo, Mortgage Application Assistance>
+<Home Inspection, connectedTo, Mortgage Application Assistance>
+<Land Acquisition, complies, Property Insurance>
+<Mortgage Application Assistance, connectedTo, Document Signing>
+<Offer Submission, connectedTo, Zoning Compliance>
+<Offer Submission, evaluates, Market Trend Analysis>
+<Property Insurance, connectedTo, Agent Assignment>
+<Property Insurance, connectedTo, Commercial Lease Negotiation>
+<Property Insurance, connectedTo, Market Trend Analysis>
+<Property Insurance, connectedTo, Rental Agreement>
+<Property Insurance, constructs, Offer Submission>
+<Rental Agreement, connectedTo, Agent Assignment>
+<Zoning Compliance, connectedTo, Contract Review>
diff --git a/test/diagrams/graph_medium/diagrams_38.txt b/test/diagrams/graph_medium/diagrams_38.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bb288fee8c5f11476e94723220c3db436ffc7ade
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_38.txt
@@ -0,0 +1,22 @@
+<Buyer Inquiry, maintains, Investment Property Analysis>
+<Closing Meeting, connectedTo, Investment Property Analysis>
+<Home Inspection, connectedTo, Ownership Transfer>
+<Land Acquisition, connectedTo, Buyer Inquiry>
+<Loan Pre_Approval, complies, Land Acquisition>
+<Loan Pre_Approval, connectedTo, Buyer Inquiry>
+<Loan Pre_Approval, connectedTo, Home Inspection>
+<Loan Pre_Approval, connectedTo, Investment Property Analysis>
+<Loan Pre_Approval, connectedTo, Mortgage Application Assistance>
+<Loan Pre_Approval, finalizes, Buyer Inquiry>
+<Loan Pre_Approval, sells, Investment Property Analysis>
+<Maintenance Request, connectedTo, Property Insurance>
+<Mortgage Application Assistance, signs, Land Acquisition>
+<Ownership Transfer, connectedTo, Site Visit Scheduling>
+<Price Negotiation, connectedTo, Maintenance Request>
+<Price Negotiation, connectedTo, Property Insurance>
+<Price Negotiation, mortgages, Property Insurance>
+<Property Insurance, connectedTo, Title Check>
+<Property Tax Payment, advertises, Price Negotiation>
+<Property Tax Payment, connectedTo, Property Insurance>
+<Site Visit Scheduling, connectedTo, Closing Meeting>
+<Title Check, promotes, Loan Pre_Approval>
diff --git a/test/diagrams/graph_medium/diagrams_41.dot b/test/diagrams/graph_medium/diagrams_41.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a84a893d46313f8a52693a7b19ddd3ae02bb841e
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_41.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=TB
+	N0 [label="Fire Suppression" color="#80DDEA" fillcolor="#D3F7F9" shape=predefinedprocess style=filled]
+	N1 [label="Inmate Transport" color="#80DDEA" fillcolor="#D3F7F9" shape=document style=filled]
+	N2 [label="Cybersecurity Threat Response" color="#6EB76D" fillcolor="#E9F7E8" shape=preparation style=filled]
+	N3 [label="Responder Alert" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N4 [label="Crime Prevention Programs" color="#80DDEA" fillcolor="#D3F7F9" shape=multipledocuments style=filled]
+	N5 [label="Threat Assessment" color="#80DDEA" fillcolor="#D3F7F9" shape=database style=filled]
+	N6 [label="Court Testimony" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N7 [label="Public Safety Training" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N8 [label="Crime Scene Analysis" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N9 [label="Disaster Relief Coordination" color="#FFC2C2" fillcolor="#FFEBEB" shape=vnode_shape style=filled]
+	N10 [label="Hostage Negotiation" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	S0 [label="" color="#80DDEA" fillcolor="#D3F7F9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Evidence Collection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Evidence Collection"
+		nest0_0 [label="Witness Interview" color="#80DDEA" fillcolor="#D3F7F9" shape=predefinedprocess style=filled]
+		nest0_1 [label="Victim Support Services" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+		nest0_2 [label="Border Security" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#80DDEA" penwidth=1.5 style=solid label="equips" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#6EB76D" penwidth=1.5 style=dashed label="responds to" dir=forward]
+	N9 -> N10 [color="#80DDEA" penwidth=1.5 style=dashed label="arrests" dir=forward]
+	nest0_0 -> nest0_1 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#80DDEA" penwidth=1.5 style=dashed label="interviews" dir=forward]
+	N6 -> nest0_0 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N3 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N2 -> S0 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N8 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_42.dot b/test/diagrams/graph_medium/diagrams_42.dot
new file mode 100644
index 0000000000000000000000000000000000000000..680d3af42de8917e4a5860078bd10146c7ff2eff
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_42.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=LR
+	N0 [label="Law Enforcement Database Check" color="#00BCD4" fillcolor="#B2EBF2" shape=vnode_shape style=filled]
+	N1 [label="Fire Suppression" color="#F06292" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N2 [label="Post_Incident Review" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N3 [label="Crime Scene Analysis" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N4 [label="Patrol Scheduling" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N5 [label="Hazard Detection" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N6 [label="Inmate Transport" color="#00BCD4" fillcolor="#B2EBF2" shape=rectangle style=filled]
+	N7 [label="Incident Command System Activation" color="#F06292" fillcolor="#FCE4EC" shape=rect style=filled]
+	N8 [label="Shelter Setup" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N9 [label="Suspect Identification" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	N10 [label="Emergency Medical Service" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N11 [label="Community Outreach" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N12 [label="Public Warning" color="#00BCD4" fillcolor="#B2EBF2" shape=multipledocuments style=filled]
+	N13 [label="Crowd Management" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#F06292" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Disaster Relief Coordination {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Disaster Relief Coordination"
+		nest0_0 [label="Court Testimony" color="#5C6BC0" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+		nest0_1 [label="Resource Allocation" color="#5C6BC0" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+		nest0_2 [label="First Aid Deployment" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="equips" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N4 -> N5 [color="#5C6BC0" penwidth=1.5 style=solid label="detains" dir=forward]
+	N5 -> N6 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid label="enforces" dir=forward]
+	N12 -> N13 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid label="dispatches" dir=forward]
+	N6 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N13 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N10 -> S0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed label="recovers" dir=forward]
+	N1 -> M0 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_45.dot b/test/diagrams/graph_medium/diagrams_45.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cd67a5490eb13d605b284858f45fbb85a2112bfd
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_45.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=RL
+	N0 [label="Streaming Setup" color="#FFC107" fillcolor="#FFECB3" shape=rectangle style=filled]
+	N1 [label="Fan Engagement Strategy" color="#00BCD4" fillcolor="#E0F7FA" shape=multipledocuments style=filled]
+	N2 [label="Editing Process" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N3 [label="Sound Engineering" color="#FFC107" fillcolor="#FFECB3" shape=database style=filled]
+	N4 [label="Audience Feedback" color="#00BCD4" fillcolor="#E0F7FA" shape=action style=filled]
+	N5 [label="Budget Planning" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N6 [label="Talent Management" color="#FFC107" fillcolor="#FFECB3" shape=action style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#E0F7FA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Scene Shooting {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Scene Shooting"
+		nest0_0 [label="Concert Promotion" color="#00BCD4" fillcolor="#E0F7FA" shape=preparation style=filled]
+		nest0_1 [label="Film Festival Submission" color="#FFC085" fillcolor="#FFDAB9" shape=predefinedprocess style=filled]
+		nest0_2 [label="Film Distribution" color="#FFC107" fillcolor="#FFECB3" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFC085" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFC085" penwidth=1.5 style=dashed label="audits" dir=forward]
+	nest0_1 -> nest0_2 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N2 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N3 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#00BCD4" penwidth=1.5 style=dashed label="auditions" dir=forward]
+	N0 -> M0 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N4 -> M1 [color="#00BCD4" penwidth=1.5 style=dashed label="negotiates" dir=forward]
+	M1 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_49.dot b/test/diagrams/graph_medium/diagrams_49.dot
new file mode 100644
index 0000000000000000000000000000000000000000..539be3664eac2b60ae9dc3c6597ac8c58a0a67b9
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_49.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=RL
+	N0 [label="ID Verification" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N1 [label="Social Program Review" color="#9C27B0" fillcolor="#E1BEE7" shape=preparation style=filled]
+	N2 [label="Transparency Audit" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N3 [label="Policy Drafting" color="#AED581" fillcolor="#F0F4C3" shape=hexagon style=filled]
+	N4 [label="Public Records Request" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+	N5 [label="Budget Allocation" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N6 [label="Passport Issuance" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+	N7 [label="National Defense" color="#AED581" fillcolor="#F0F4C3" shape=predefinedprocess style=filled]
+	N8 [label="Veterans Affairs" color="#9C27B0" fillcolor="#E1BEE7" shape=rectangle style=filled]
+	N9 [label="Social Security Administration" color="#AED581" fillcolor="#F0F4C3" shape=multipledocuments style=filled]
+	S0 [label="" color="#AED581" fillcolor="#F0F4C3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#AED581" fillcolor="#F0F4C3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Legislation Review {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Legislation Review"
+		nest0_0 [label="Driver's License Renewal" color="#AED581" fillcolor="#F0F4C3" shape=multipledocuments style=filled]
+		nest0_1 [label="Code Enforcement" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+		nest0_2 [label="Public Hearing" color="#9C27B0" fillcolor="#E1BEE7" shape=action style=filled]
+		nest0_3 [label="Interdepartmental Approval" color="#9C27B0" fillcolor="#E1BEE7" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#AED581" penwidth=1.5 style=dashed label="taxes" dir=forward]
+	N2 -> N3 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid label="subsidizes" dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> nest0_0 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N1 [color="#9C27B0" penwidth=1.5 style=dashed label="grants" dir=forward]
+	N3 -> S0 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#AED581" penwidth=1.5 style=dashed label="registers" dir=forward]
+	N2 -> S1 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N6 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#D3EB9F" penwidth=1.5 style=dashed label="mediates" dir=forward]
+	N0 -> M0 [color="#AED581" penwidth=1.5 style=solid label="researches" dir=forward]
+	M0 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_50.dot b/test/diagrams/graph_medium/diagrams_50.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3b9f48de4e23d08b150635354d2d7d22c2667415
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_50.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=BT
+	N0 [label="International Relations" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N1 [label="Budget Allocation" color="#FFDA4E" fillcolor="#FFE88D" shape=inputoutput style=filled]
+	N2 [label="Business Licensing" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+	N3 [label="Public Hearing" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N4 [label="Citizen Feedback" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N5 [label="Public Health Initiative" color="#AABEC6" fillcolor="#E0E6E9" shape=rectangle style=filled]
+	N6 [label="Census Collection" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N7 [label="ID Verification" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N8 [label="Diplomatic Negotiation" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N9 [label="National Defense" color="#7E57C2" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Policy Drafting {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Policy Drafting"
+		nest0_0 [label="Driver's License Renewal" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+		nest0_1 [label="Education Policy" color="#7E57C2" fillcolor="#D1C4E9" shape=action style=filled]
+		nest0_2 [label="Grant Distribution" color="#7E57C2" fillcolor="#D1C4E9" shape=action style=filled]
+	}
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=solid label="secures" dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N5 -> N6 [color="#AABEC6" penwidth=1.5 style=dashed label="allocates" dir=forward]
+	N6 -> N7 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#AABEC6" penwidth=1.5 style=solid label="protects" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="researches" dir=forward]
+	nest0_0 -> nest0_1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N9 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_52.txt b/test/diagrams/graph_medium/diagrams_52.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a2297920b8c36b5e1c1b209871678ce53f1bc21
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_52.txt
@@ -0,0 +1,21 @@
+<Customer Survey, connectedTo, Shopping Cart Collection>
+<E_commerce Platform Integration, connectedTo, Customer Survey>
+<E_commerce Platform Integration, connectedTo, Staff Training>
+<E_commerce Platform Integration, supplies, Shopping Cart Collection>
+<Fitting Room Management, packs, Shelf Restocking>
+<Payment Processing, connectedTo, Promotion Planning>
+<Promotion Planning, connectedTo, Fitting Room Management>
+<Sales Forecasting, connectedTo, Supplier Payment>
+<Shelf Restocking, connectedTo, E_commerce Platform Integration>
+<Shelf Restocking, connectedTo, Supplier Payment>
+<Shopping Cart Collection, connectedTo, Warehouse Picking>
+<Staff Training, connectedTo, Warehouse Picking>
+<Staff Training, recommends, Sales Forecasting>
+<Supplier Payment, connectedTo, Customer Survey>
+<Supplier Payment, connectedTo, Shopping Cart Collection>
+<Supplier Payment, connectedTo, Warehouse Picking>
+<Vendor Managed Inventory, connectedTo, Shelf Restocking>
+<Vendor Managed Inventory, connectedTo, Supplier Payment>
+<Vendor Managed Inventory, orders, Warehouse Picking>
+<Warehouse Picking, connectedTo, Self_Checkout Assistance>
+<Warehouse Picking, serves, Payment Processing>
diff --git a/test/diagrams/graph_medium/diagrams_6.txt b/test/diagrams/graph_medium/diagrams_6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f38a878358034679d1f35c5bf4cf7df79d1b653
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_6.txt
@@ -0,0 +1,18 @@
+<Anesthesia Administration, claims, Insurance Claim>
+<Blood Test, connectedTo, Physical Examination>
+<Clinical Trial, connectedTo, Device Implantation>
+<Clinical Trial, connectedTo, Patient Intake>
+<Clinical Trial, coordinates, Insurance Claim>
+<Clinical Trial, records, Vaccination>
+<Device Implantation, connectedTo, Anesthesia Administration>
+<Device Implantation, implements, Insurance Claim>
+<Medication Dispensing, scans, Patient Intake>
+<Mental Health Assessment, connectedTo, Clinical Trial>
+<Mental Health Assessment, connectedTo, Vaccination>
+<Patient Intake, connectedTo, Vaccination>
+<Physical Examination, connectedTo, Medication Dispensing>
+<Vaccination, connectedTo, Anesthesia Administration>
+<Vaccination, connectedTo, Blood Test>
+<Vaccination, connectedTo, Device Implantation>
+<Vaccination, connectedTo, Insurance Claim>
+<Vaccination, treats, Insurance Claim>
diff --git a/test/diagrams/graph_medium/diagrams_61.dot b/test/diagrams/graph_medium/diagrams_61.dot
new file mode 100644
index 0000000000000000000000000000000000000000..397fc5f9d80840fed9228648a49ff3c12844a3a2
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_61.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=RL
+	N0 [label="Premium Calculation" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N1 [label="Catastrophe Modeling" color="#AABEC6" fillcolor="#E0E6E9" shape=database style=filled]
+	N2 [label="Agent Training" color="#5C6BC0" fillcolor="#E8EAF6" shape=document style=filled]
+	N3 [label="Business Interruption Coverage" color="#AABEC6" fillcolor="#E0E6E9" shape=predefinedprocess style=filled]
+	N4 [label="Risk Assessment" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	N5 [label="Digital Policy Management" color="#AF56A6" fillcolor="#DDCEDD" shape=vnode_shape style=filled]
+	N6 [label="Policy Issuance" color="#5C6BC0" fillcolor="#E8EAF6" shape=database style=filled]
+	S0 [label="" color="#AF56A6" fillcolor="#DDCEDD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Benefit Payout {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Benefit Payout"
+		nest0_0 [label="Data Security" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+		nest0_1 [label="Broker Management" color="#AF56A6" fillcolor="#DDCEDD" shape=vnode_shape style=filled]
+		nest0_2 [label="Claim Adjustment" color="#AF56A6" fillcolor="#DDCEDD" shape=action style=filled]
+	}
+	N0 -> N1 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="assesses" dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#AABEC6" penwidth=1.5 style=solid label="pays" dir=forward]
+	nest0_1 -> nest0_2 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N3 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#AABEC6" penwidth=1.5 style=solid label="reviews" dir=forward]
+	S0 -> N2 [color="#000000" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid label="underwrites" dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_63.dot b/test/diagrams/graph_medium/diagrams_63.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eba9367268646683d5365284879470d94b9f5e71
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_63.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=BT
+	N0 [label="Auto Accident Claims" color="#00BCD4" fillcolor="#E0F7FA" shape=document style=filled]
+	N1 [label="Fraud Investigation" color="#00BCD4" fillcolor="#E0F7FA" shape=multipledocuments style=filled]
+	N2 [label="Premium Calculation" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N3 [label="Legal Review of Claims" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N4 [label="Actuarial Analysis" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N5 [label="Compliance Reporting" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N6 [label="Benefit Payout" color="#00BCD4" fillcolor="#E0F7FA" shape=inputoutput style=filled]
+	N7 [label="Claim Submission" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N8 [label="Policy Cancellation" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N9 [label="Property Damage Assessment" color="#AF56A6" fillcolor="#DDCEDD" shape=inputoutput style=filled]
+	N10 [label="Life Insurance Underwriting" color="#FFDA4E" fillcolor="#FFE88D" shape=document style=filled]
+	N11 [label="Business Interruption Coverage" color="#FFDA4E" fillcolor="#FFE88D" shape=diamond style=filled]
+	N12 [label="Product Development" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N13 [label="Data Security" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#AF56A6" fillcolor="#DDCEDD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Policy Issuance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Policy Issuance"
+		nest0_0 [label="Coverage Review" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+		nest0_1 [label="Claim Adjustment" color="#FFDA4E" fillcolor="#FFE88D" shape=document style=filled]
+	}
+	N0 -> N1 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="advises" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#AF56A6" penwidth=1.5 style=solid label="processes" dir=forward]
+	N9 -> N10 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#AF56A6" penwidth=1.5 style=dashed label="claims" dir=forward]
+	N11 -> N12 [color="#AF56A6" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N12 -> N13 [color="#FFDA4E" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed label="rejects" dir=forward]
+	N6 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=dashed label="trains" dir=forward]
+	nest0_1 -> N6 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N9 -> S0 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#00BCD4" penwidth=1.5 style=solid label="underwrites" dir=forward]
+	S0 -> N13 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#000000" penwidth=1.5 style=dashed label="reviews" dir=forward]
+	S1 -> N9 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_63.txt b/test/diagrams/graph_medium/diagrams_63.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0a3fa236eac0baa13eb27283b5674fd93e147f63
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_63.txt
@@ -0,0 +1,22 @@
+<Actuarial Analysis, advises, Compliance Reporting>
+<Actuarial Analysis, connectedTo, Property Damage Assessment>
+<Actuarial Analysis, reviews, Product Development>
+<Auto Accident Claims, connectedTo, Fraud Investigation>
+<Benefit Payout, connectedTo, Claim Submission>
+<Benefit Payout, trains, Coverage Review>
+<Business Interruption Coverage, regulates, Product Development>
+<Claim Adjustment, connectedTo, Benefit Payout>
+<Claim Submission, connectedTo, Policy Cancellation>
+<Compliance Reporting, connectedTo, Benefit Payout>
+<Coverage Review, rejects, Claim Adjustment>
+<Fraud Investigation, connectedTo, Actuarial Analysis>
+<Fraud Investigation, connectedTo, Premium Calculation>
+<Legal Review of Claims, connectedTo, Actuarial Analysis>
+<Life Insurance Underwriting, claims, Business Interruption Coverage>
+<Policy Cancellation, processes, Property Damage Assessment>
+<Premium Calculation, connectedTo, Actuarial Analysis>
+<Premium Calculation, connectedTo, Legal Review of Claims>
+<Product Development, optimizes, Data Security>
+<Property Damage Assessment, connectedTo, Data Security>
+<Property Damage Assessment, connectedTo, Life Insurance Underwriting>
+<Property Damage Assessment, underwrites, Product Development>
diff --git a/test/diagrams/graph_medium/diagrams_64.txt b/test/diagrams/graph_medium/diagrams_64.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b864fe6cea5935918879f389693872c979397896
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_64.txt
@@ -0,0 +1,17 @@
+<Data Encryption, connectedTo, Web Application Firewall Deployment>
+<Data Loss Prevention, connectedTo, Intrusion Prevention>
+<Insider Threat Detection, connectedTo, Data Encryption>
+<Intrusion Prevention, educates, Zero Trust Architecture>
+<Security Information and Event Management, connectedTo, Web Application Firewall Deployment>
+<Security Information and Event Management, tests, Threat Intelligence Gathering>
+<Threat Intelligence Gathering, alerts, Insider Threat Detection>
+<Threat Intelligence Gathering, authenticates, Application Security>
+<Threat Intelligence Gathering, connectedTo, Data Encryption>
+<User Training, authorizes, Application Security>
+<User Training, blocks, Insider Threat Detection>
+<User Training, connectedTo, Security Information and Event Management>
+<User Training, connectedTo, Web Application Firewall Deployment>
+<User Training, recovers, Web Application Firewall Deployment>
+<Web Application Firewall Deployment, connectedTo, Application Security>
+<Web Application Firewall Deployment, connectedTo, Data Loss Prevention>
+<Zero Trust Architecture, connectedTo, Security Information and Event Management>
diff --git a/test/diagrams/graph_medium/diagrams_66.dot b/test/diagrams/graph_medium/diagrams_66.dot
new file mode 100644
index 0000000000000000000000000000000000000000..66b7a3cc8cb2f776791b4e64a66dff2a3186d555
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_66.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=LR
+	N0 [label="Risk Management Framework" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N1 [label="Security Awareness Training" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+	N2 [label="Security Policy Development" color="#E91E63" fillcolor="#F8BBD0" shape=vnode_shape style=filled]
+	N3 [label="Data Loss Prevention" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N4 [label="Firewall Configuration" color="#A2D0FF" fillcolor="#E8F0FF" shape=predefinedprocess style=filled]
+	N5 [label="Phishing Simulation" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N6 [label="Security Patch Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+	N7 [label="Mobile Security" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N8 [label="Supply Chain Security" color="#E91E63" fillcolor="#F8BBD0" shape=inputoutput style=filled]
+	N9 [label="Disaster Recovery Planning" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#E0F7FA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Malware Analysis {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Malware Analysis"
+		nest0_0 [label="Dark Web Monitoring" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+		nest0_1 [label="Application Security" color="#00BCD4" fillcolor="#E0F7FA" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="implements" dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=solid label="mitigates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="isolates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed label="consults" dir=forward]
+	nest0_0 -> nest0_1 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest0_0 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N8 [color="#00BCD4" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N5 -> S0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N2 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_67.txt b/test/diagrams/graph_medium/diagrams_67.txt
new file mode 100644
index 0000000000000000000000000000000000000000..77c956498a400fa40fd8eb592afe1acd8926dcf5
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_67.txt
@@ -0,0 +1,22 @@
+<Centralized Hub Configuration, connectedTo, Energy Monitoring>
+<Door Lock Management, warns, Video Surveillance>
+<Emergency Service Connection, connectedTo, Sound System Integration>
+<Emergency Service Connection, records, Video Surveillance>
+<Energy Consumption Optimization, connectedTo, Personalized Comfort Settings>
+<Energy Monitoring, connectedTo, Irrigation System Control>
+<Guest Access Management, connectedTo, Leak Detection>
+<Home Security System Activation, connectedTo, Lighting Automation>
+<Leak Detection, connectedTo, Energy Monitoring>
+<Leak Detection, connectedTo, Power Outage Notification>
+<Leak Detection, locks, Energy Consumption Optimization>
+<Leak Detection, simplifies, Personalized Comfort Settings>
+<Lighting Automation, connectedTo, Centralized Hub Configuration>
+<Personalized Comfort Settings, connectedTo, Security Alert>
+<Power Outage Notification, connectedTo, Home Security System Activation>
+<Scene Creation, diagnoses, Guest Access Management>
+<Security Alert, connectedTo, Energy Monitoring>
+<Sound System Integration, connectedTo, Door Lock Management>
+<Sound System Integration, maintains, Video Surveillance>
+<Video Surveillance, connectedTo, Scene Creation>
+<Video Surveillance, learns, Guest Access Management>
+<Video Surveillance, optimizes, Leak Detection>
diff --git a/test/diagrams/graph_medium/diagrams_68.txt b/test/diagrams/graph_medium/diagrams_68.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7b61b73cbe5633848a7baae33bd3eeef09316461
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_68.txt
@@ -0,0 +1,15 @@
+<App Control, connectedTo, Device Pairing>
+<App Control, updates, Smart Appliance Control>
+<Child Monitoring, programs, Energy Consumption Optimization>
+<Device Pairing, alerts, Energy Consumption Optimization>
+<Energy Consumption Optimization, connectedTo, Firmware Update>
+<Energy Consumption Optimization, monitors, Lighting Automation>
+<Energy Monitoring, connectedTo, Child Monitoring>
+<Firmware Update, heats, Smart Mirror Functionality>
+<Lighting Automation, assists, Personalized Comfort Settings>
+<Motion Detection, connectedTo, App Control>
+<Motion Detection, connectedTo, Device Pairing>
+<Personalized Comfort Settings, connectedTo, Energy Monitoring>
+<Personalized Comfort Settings, connectedTo, Lighting Automation>
+<Smart Appliance Control, connectedTo, Device Pairing>
+<Smart Appliance Control, connectedTo, Motion Detection>
diff --git a/test/diagrams/graph_medium/diagrams_7.dot b/test/diagrams/graph_medium/diagrams_7.dot
new file mode 100644
index 0000000000000000000000000000000000000000..18676192b746644ebe28c2cb37491ff5eb545970
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_7.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=LR
+	N0 [label="Parts Replacement" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N1 [label="Supplier Qualification" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N2 [label="Component Sourcing" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	N3 [label="Painting" color="#CFCFCF" fillcolor="#F6F6F6" shape=database style=filled]
+	N4 [label="Bills of Material Generation" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+	N5 [label="Raw Material" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N6 [label="Inventory Check" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+	N7 [label="Product Design" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N8 [label="Robotics Integration" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N9 [label="Tool Path Generation" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N10 [label="Recycling Process" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N11 [label="Environmental Compliance" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N12 [label="Automated Assembly" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N13 [label="Maintenance" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N14 [label="Serialization" color="#6FE1D5" fillcolor="#C9EFEC" shape=action style=filled]
+	N15 [label="Shipping" color="#CFCFCF" fillcolor="#F6F6F6" shape=rect style=filled]
+	S0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#CFCFCF" fillcolor="#F6F6F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Tool Setup {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Tool Setup"
+		nest0_0 [label="Final Testing" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_1 [label="Work_in_Progress Monitoring" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N1 -> N2 [color="#6FE1D5" penwidth=1.5 style=dashed label="welds" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#6FE1D5" penwidth=1.5 style=solid label="processes" dir=forward]
+	N8 -> N9 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#CFCFCF" penwidth=1.5 style=solid label="cleans" dir=forward]
+	N12 -> N13 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#6FE1D5" penwidth=1.5 style=dashed label="dispatches" dir=forward]
+	N5 -> nest0_0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N11 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N11 -> S0 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N15 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N7 -> M0 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_79.dot b/test/diagrams/graph_medium/diagrams_79.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1f448bb7dd900ae551de4d2ac1f1461ec72d20e4
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_79.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=BT
+	N0 [label="Embedded Systems Development" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N1 [label="Machine Vision" color="#F7BEE0" fillcolor="#FAEBF3" shape=preparation style=filled]
+	N2 [label="Sensor Integration" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N3 [label="Performance Testing" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N4 [label="Collaborative Robotics" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N5 [label="Grasping and Manipulation" color="#92C79A" fillcolor="#E8F0EA" shape=vnode_shape style=filled]
+	N6 [label="Path Planning" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	S0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#92C79A" fillcolor="#E8F0EA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Maintenance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Maintenance"
+		nest0_0 [label="Battery Management" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+		nest0_1 [label="Robotics Simulation" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#F7BEE0" penwidth=1.5 style=dashed label="senses" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="operates" dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="builds" dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#81C784" penwidth=1.5 style=solid label="assembles" dir=forward]
+	N2 -> M1 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#81C784" penwidth=1.5 style=solid label="communicates" dir=forward]
+	M1 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_79.txt b/test/diagrams/graph_medium/diagrams_79.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab7928351674d2e8a5693f6e8ea4efaa4067faba
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_79.txt
@@ -0,0 +1,17 @@
+<Battery Management, connectedTo, Robotics Simulation>
+<Battery Management, partOf, Battery Management>
+<Collaborative Robotics, connectedTo, Grasping and Manipulation>
+<Embedded Systems Development, communicates, Collaborative Robotics>
+<Embedded Systems Development, senses, Machine Vision>
+<Grasping and Manipulation, connectedTo, Path Planning>
+<Machine Vision, connectedTo, Collaborative Robotics>
+<Machine Vision, operates, Sensor Integration>
+<Performance Testing, assembles, Path Planning>
+<Performance Testing, builds, Collaborative Robotics>
+<Performance Testing, connectedTo, Grasping and Manipulation>
+<Robotics Simulation, connectedTo, Sensor Integration>
+<Robotics Simulation, partOf, Robotics Simulation>
+<Sensor Integration, connectedTo, Battery Management>
+<Sensor Integration, connectedTo, Collaborative Robotics>
+<Sensor Integration, connectedTo, Path Planning>
+<Sensor Integration, connectedTo, Performance Testing>
diff --git a/test/diagrams/graph_medium/diagrams_80.dot b/test/diagrams/graph_medium/diagrams_80.dot
new file mode 100644
index 0000000000000000000000000000000000000000..270933721ff980e8e226618f2999b2b73cc0cb74
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_80.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=RL
+	N0 [label="Ethical Robotics Development" color="#FFD54F" fillcolor="#FFF8E1" shape=rect style=filled]
+	N1 [label="Calibration" color="#AB47BC" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N2 [label="Safety System Implementation" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N3 [label="Field Deployment" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N4 [label="Industrial Automation" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N5 [label="Path Planning" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N6 [label="End_Effector Design" color="#FFD54F" fillcolor="#FFF8E1" shape=database style=filled]
+	N7 [label="Swarm Robotics" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N8 [label="Autonomous Navigation" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Learning Algorithms {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Learning Algorithms"
+		nest0_0 [label="Kinematics and Dynamics" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+		nest0_1 [label="Robotics Simulation" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N5 -> N6 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	nest0_0 -> nest0_1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest0_0 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N4 [color="#AB47BC" penwidth=1.5 style=solid label="builds" dir=forward]
+	N1 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N4 -> M1 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	M1 -> N6 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_82.txt b/test/diagrams/graph_medium/diagrams_82.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b1e9b9d569ec8da8652604afa1a0efdc87475a0
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_82.txt
@@ -0,0 +1,18 @@
+<Change Order Management, connectedTo, Drone Surveying>
+<Drone Surveying, connectedTo, Material Procurement>
+<Drone Surveying, connectedTo, Post_Construction Handover>
+<Electrical Wiring, connectedTo, Material Procurement>
+<Excavation, excavates, Project Scheduling>
+<Foundation Laying, connectedTo, Plumbing Work>
+<Plumbing Work, connectedTo, Electrical Wiring>
+<Plumbing Work, connectedTo, Project Scheduling>
+<Plumbing Work, connectedTo, Punch List Completion>
+<Post_Construction Handover, develops, Electrical Wiring>
+<Project Scheduling, connectedTo, Drone Surveying>
+<Project Scheduling, connectedTo, Post_Construction Handover>
+<Project Scheduling, connectedTo, Risk Assessment>
+<Project Scheduling, contracts, Electrical Wiring>
+<Punch List Completion, budgets, Material Procurement>
+<Punch List Completion, connectedTo, Excavation>
+<Risk Assessment, connectedTo, Site Decontamination>
+<Site Decontamination, connectedTo, Change Order Management>
diff --git a/test/diagrams/graph_medium/diagrams_84.txt b/test/diagrams/graph_medium/diagrams_84.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f2fc719c67514d4a2173581f266cbe00699d2931
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_84.txt
@@ -0,0 +1,20 @@
+<BIM Modeling, connectedTo, Drone Surveying>
+<BIM Modeling, connectedTo, Pre_fabrication>
+<BIM Modeling, connectedTo, Steel Erection>
+<Blueprint Review, connectedTo, Pre_fabrication>
+<Drone Surveying, connectedTo, Landscape Design>
+<Drone Surveying, connectedTo, Steel Erection>
+<Landscape Design, complies, Subcontractor Management>
+<Landscape Design, connectedTo, Pre_fabrication>
+<Permit Application, connectedTo, Blueprint Review>
+<Plumbing Work, connectedTo, Facade Installation>
+<Pre_fabrication, connectedTo, Facade Installation>
+<Pre_fabrication, connectedTo, Plumbing Work>
+<Pre_fabrication, connectedTo, Risk Assessment>
+<Project Scheduling, surveys, Plumbing Work>
+<Risk Assessment, connectedTo, Sustainable Building Design>
+<Site Decontamination, connectedTo, Project Scheduling>
+<Steel Erection, connectedTo, Permit Application>
+<Subcontractor Management, connectedTo, Steel Erection>
+<Sustainable Building Design, bids, Plumbing Work>
+<Sustainable Building Design, connectedTo, Site Decontamination>
diff --git a/test/diagrams/graph_medium/diagrams_88.txt b/test/diagrams/graph_medium/diagrams_88.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2b90198186dfddaeb3602932bdea8090ba512bf8
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_88.txt
@@ -0,0 +1,18 @@
+<Brewing, packages, New Product Launch>
+<Cooking, connectedTo, Food Processing Automation>
+<Cooking, connectedTo, Product Shelf_Life Testing>
+<Cooking, connectedTo, Restaurant Reservation System>
+<Distribution, recipes, Brewing>
+<Food Processing Automation, connectedTo, Service Delivery>
+<Kitchen Hygiene, operates, Recipe Development>
+<New Product Launch, connectedTo, Food Processing Automation>
+<New Product Launch, connectedTo, Kitchen Hygiene>
+<New Product Launch, connectedTo, Product Shelf_Life Testing>
+<New Product Launch, connectedTo, Sensory Evaluation>
+<Recipe Development, connectedTo, Food Processing Automation>
+<Restaurant Reservation System, connectedTo, Food Processing Automation>
+<Restaurant Reservation System, connectedTo, New Product Launch>
+<Sensory Evaluation, connectedTo, Distribution>
+<Service Delivery, connectedTo, Supplier Management>
+<Supplier Management, promotes, Product Shelf_Life Testing>
+<Sustainable Sourcing, connectedTo, Cooking>
diff --git a/test/diagrams/graph_medium/diagrams_89.dot b/test/diagrams/graph_medium/diagrams_89.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c8222454d88dac102def3281d8fcfe01c17bc6f7
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_89.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=BT
+	N0 [label="Quality Control" color="#03A9F4" fillcolor="#B3E5FC" shape=inputoutput style=filled]
+	N1 [label="Storage Solutions" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N2 [label="Menu Planning" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N3 [label="Recipe Development" color="#FFA726" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N4 [label="Delivery Service Coordination" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N5 [label="Nutrition Analysis" color="#03A9F4" fillcolor="#B3E5FC" shape=preparation style=filled]
+	N6 [label="Supplier Management" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N7 [label="Supply Chain Traceability" color="#FFA726" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N8 [label="Catering Operations" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+	N9 [label="Dietary Requirement Accommodation" color="#03A9F4" fillcolor="#B3E5FC" shape=parallelogram style=filled]
+	N10 [label="Sensory Evaluation" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N11 [label="Branding and Marketing" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	S0 [label="" color="#4CAF50" fillcolor="#C8E6C9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFA726" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Beverage Production {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Beverage Production"
+		nest0_0 [label="Sustainable Sourcing" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+		nest0_1 [label="Allergen Management" color="#03A9F4" fillcolor="#B3E5FC" shape=database style=filled]
+	}
+	N0 -> N1 [color="#03A9F4" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="preserves" dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N6 -> N7 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#03A9F4" penwidth=1.5 style=solid label="markets" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="delivers" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="operates" dir=forward]
+	nest0_0 -> nest0_1 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#4CAF50" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	nest0_1 -> N2 [color="#4CAF50" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N5 -> S0 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=solid label="flavors" dir=forward]
+	S0 -> N10 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	S1 -> N11 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	M1 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_89.txt b/test/diagrams/graph_medium/diagrams_89.txt
new file mode 100644
index 0000000000000000000000000000000000000000..087112cf0f3f3e87f799ad27ffcced9720441208
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_89.txt
@@ -0,0 +1,22 @@
+<Allergen Management, regulates, Menu Planning>
+<Catering Operations, delivers, Dietary Requirement Accommodation>
+<Delivery Service Coordination, preserves, Nutrition Analysis>
+<Dietary Requirement Accommodation, connectedTo, Sensory Evaluation>
+<Menu Planning, connectedTo, Nutrition Analysis>
+<Menu Planning, connectedTo, Recipe Development>
+<Menu Planning, manufactures, Sustainable Sourcing>
+<Nutrition Analysis, connectedTo, Sensory Evaluation>
+<Nutrition Analysis, flavors, Dietary Requirement Accommodation>
+<Nutrition Analysis, manages, Supplier Management>
+<Quality Control, connectedTo, Recipe Development>
+<Quality Control, transports, Storage Solutions>
+<Recipe Development, connectedTo, Delivery Service Coordination>
+<Recipe Development, connectedTo, Nutrition Analysis>
+<Sensory Evaluation, operates, Branding and Marketing>
+<Storage Solutions, connectedTo, Branding and Marketing>
+<Storage Solutions, connectedTo, Menu Planning>
+<Storage Solutions, connectedTo, Recipe Development>
+<Storage Solutions, connectedTo, Sensory Evaluation>
+<Supplier Management, connectedTo, Supply Chain Traceability>
+<Supply Chain Traceability, markets, Catering Operations>
+<Sustainable Sourcing, connectedTo, Allergen Management>
diff --git a/test/diagrams/graph_medium/diagrams_92.txt b/test/diagrams/graph_medium/diagrams_92.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28cdd9bf8d43acdeaf404a7dabac0560d1b91310
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_92.txt
@@ -0,0 +1,15 @@
+<Community Sports Programs, connectedTo, Ticketing Sales>
+<Fan Experience Enhancement, educates, Sports Betting Regulation>
+<Fan Experience Enhancement, recruits, Injury Management>
+<Injury Management, connectedTo, Sports Betting Regulation>
+<Player Transfer, connectedTo, Sports Technology Integration>
+<Rule Enforcement, connectedTo, Fan Experience Enhancement>
+<Sports Betting Regulation, connectedTo, Match Play>
+<Sports Technology Integration, connectedTo, Fan Experience Enhancement>
+<Sports Technology Integration, connectedTo, Match Play>
+<Sports Technology Integration, connectedTo, Rule Enforcement>
+<Sports Technology Integration, connectedTo, Sports Betting Regulation>
+<Sports Technology Integration, connectedTo, Stadium Operations>
+<Stadium Operations, connectedTo, Community Sports Programs>
+<Ticketing Sales, secures, Youth Development Programs>
+<Youth Development Programs, equips, Injury Management>
diff --git a/test/diagrams/graph_medium/diagrams_98.dot b/test/diagrams/graph_medium/diagrams_98.dot
new file mode 100644
index 0000000000000000000000000000000000000000..728fc892e19f2c21062f336a7746727bef7ee5fd
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_98.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=TB
+	N0 [label="Employee Handbook Creation" color="#FFC2C2" fillcolor="#FFEBEB" shape=rectangle style=filled]
+	N1 [label="Employee Relations" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N2 [label="Candidate Sourcing" color="#DCE775" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N3 [label="Employee Data Management" color="#DCE775" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N4 [label="Workforce Planning" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N5 [label="Diversity and Inclusion Initiatives" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N6 [label="Offer Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=rectangle style=filled]
+	N7 [label="Compensation and Benefits" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N8 [label="HR Budgeting" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N9 [label="Employee Recognition Programs" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N10 [label="Team Building Activities" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N11 [label="Recruitment Planning" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+	N12 [label="Leave Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N13 [label="Onboarding Process" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N14 [label="Leadership Training" color="#FFC2C2" fillcolor="#FFEBEB" shape=rectangle style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Change Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Change Management"
+		nest0_0 [label="Global Mobility Programs" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+		nest0_1 [label="Employee Engagement Surveys" color="#FFC085" fillcolor="#FFDAB9" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid label="plans" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid label="disciplines" dir=forward]
+	N12 -> N13 [color="#DCE775" penwidth=1.5 style=solid label="recruits" dir=forward]
+	N13 -> N14 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N14 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N2 [color="#DCE775" penwidth=1.5 style=dashed label="reports" dir=forward]
+	S0 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid label="retains" dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N7 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_medium/diagrams_98.txt b/test/diagrams/graph_medium/diagrams_98.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8cca0dc4cd4ac2fb5c6a92d7ed732427c59a05eb
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_98.txt
@@ -0,0 +1,22 @@
+<Candidate Sourcing, integrates, Employee Data Management>
+<Compensation and Benefits, connectedTo, HR Budgeting>
+<Diversity and Inclusion Initiatives, connectedTo, Offer Management>
+<Employee Data Management, connectedTo, Compensation and Benefits>
+<Employee Data Management, plans, Workforce Planning>
+<Employee Engagement Surveys, connectedTo, Leadership Training>
+<Employee Handbook Creation, connectedTo, Employee Relations>
+<Employee Handbook Creation, connectedTo, Offer Management>
+<Employee Handbook Creation, reports, Candidate Sourcing>
+<Employee Handbook Creation, retains, Compensation and Benefits>
+<Employee Recognition Programs, connectedTo, Team Building Activities>
+<Employee Relations, connectedTo, Candidate Sourcing>
+<Employee Relations, connectedTo, Global Mobility Programs>
+<Global Mobility Programs, connectedTo, Employee Engagement Surveys>
+<HR Budgeting, connectedTo, Employee Recognition Programs>
+<Leave Management, recruits, Onboarding Process>
+<Offer Management, audits, Compensation and Benefits>
+<Onboarding Process, connectedTo, Leadership Training>
+<Recruitment Planning, disciplines, Leave Management>
+<Team Building Activities, connectedTo, Recruitment Planning>
+<Workforce Planning, connectedTo, Compensation and Benefits>
+<Workforce Planning, connectedTo, Diversity and Inclusion Initiatives>
diff --git a/test/diagrams/scanned_medium/diagrams_101_scanned.png b/test/diagrams/scanned_medium/diagrams_101_scanned.png
new file mode 100644
index 0000000000000000000000000000000000000000..2828a6a4122956b53582bccab35ac8523424817e
--- /dev/null
+++ b/test/diagrams/scanned_medium/diagrams_101_scanned.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd337768042db2e0d1f5acc8daa463b2791aba59bffe66844da55a139ede06ee
+size 591464
diff --git a/test/diagrams/scanned_medium/diagrams_103_scanned.png b/test/diagrams/scanned_medium/diagrams_103_scanned.png
new file mode 100644
index 0000000000000000000000000000000000000000..9b3f65db95532949147e5e37e4d29a546ba2d803
--- /dev/null
+++ b/test/diagrams/scanned_medium/diagrams_103_scanned.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e50ac4687a3b5b3c9e93dcb5ea933a68339c708b87b4c7943295ec29eb113ba8
+size 462233
diff --git a/test/diagrams/scanned_medium/diagrams_105_scanned.png b/test/diagrams/scanned_medium/diagrams_105_scanned.png
new file mode 100644
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