diff --git a/train/graphviz/hard/graphviz_100.txt b/train/graphviz/hard/graphviz_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bdfcdfe53e67e746a1648d3610a5171d0a7328fb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_100.txt
@@ -0,0 +1,32 @@
+<Commercial Lease Negotiation, connectedTo, Eviction Process>
+<Contract Review, connectedTo, Document Signing>
+<Document Signing, connectedTo, Commercial Lease Negotiation>
+<Eviction Process, connectedTo, Lease Renewal>
+<Home Inspection, connectedTo, Land Acquisition>
+<Home Inspection, partOf, Home Inspection>
+<Investment Property Analysis, connectedTo, Property Valuation>
+<Investment Property Analysis, partOf, Investment Property Analysis>
+<Lease Renewal, maintains, Land Acquisition>
+<Open House Event, connectedTo, Eviction Process>
+<Open House Event, connectedTo, Property Listing>
+<Open House Event, signs, Land Acquisition>
+<Price Negotiation, connectedTo, Contract Review>
+<Price Negotiation, connectedTo, Land Acquisition>
+<Price Negotiation, connectedTo, Property Listing>
+<Price Negotiation, connectedTo, Rental Agreement>
+<Property Listing, connectedTo, Commercial Lease Negotiation>
+<Property Listing, connectedTo, Contract Review>
+<Property Listing, connectedTo, Document Signing>
+<Property Listing, connectedTo, Eviction Process>
+<Property Listing, connectedTo, Investment Property Analysis>
+<Property Listing, connectedTo, Land Acquisition>
+<Property Tax Payment, connectedTo, Tenant Screening>
+<Property Tax Payment, partOf, Property Tax Payment>
+<Property Valuation, connectedTo, Rental Agreement>
+<Property Valuation, partOf, Property Valuation>
+<Rental Agreement, connectedTo, Open House Event>
+<Rental Agreement, transfers, Virtual Tour Creation>
+<Tenant Screening, connectedTo, Home Inspection>
+<Tenant Screening, partOf, Tenant Screening>
+<Virtual Tour Creation, connectedTo, Property Tax Payment>
+<Virtual Tour Creation, partOf, Virtual Tour Creation>
diff --git a/train/graphviz/hard/graphviz_102.dot b/train/graphviz/hard/graphviz_102.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5e3e47211e8e557f1567d5806549af3a865c11be
--- /dev/null
+++ b/train/graphviz/hard/graphviz_102.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=LR
+	N0 [label="Property Listing" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label="Property Insurance" color="#FFE470" fillcolor="#FFFAE0" shape=oval style=filled]
+	N2 [label="Buyer Inquiry" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N3 [label="Commercial Lease Negotiation" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N4 [label="HOA Management" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N5 [label="Agent Assignment" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N6 [label="Property Valuation" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+	N7 [label="Tenant Screening" color="#7E57C2" fillcolor="#EDE7F6" shape=folder style=filled]
+	N8 [label="Escrow Setup" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N9 [label="Loan Pre_Approval" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Property Appraisal" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Closing Meeting" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+		nest0_1 [label="Virtual Tour Creation" color="#7E57C2" fillcolor="#EDE7F6" shape=oval style=filled]
+		nest0_2 [label="Maintenance Request" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+		nest0_3 [label="Renovation Planning" color="#FF8A65" fillcolor="#FBE9E7" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Property Tax Payment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Site Visit Scheduling" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest1_1 [label="Title Check" color="#7E57C2" fillcolor="#EDE7F6" shape=plaintext style=filled]
+		nest1_2 [label="Eviction Process" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest1_0 -> nest1_1 [label=leases color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=transfers color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=markets color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N9 [label=invests color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest1_0 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N3 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=verifies color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> S2 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N8 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_104.dot b/train/graphviz/hard/graphviz_104.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6bcc66684ac898d603a485934391b1a741fc198e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_104.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=RL
+	N0 [label="Virtual Tour Creation" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N1 [label="Legal Verification" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N2 [label="Ownership Transfer" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N3 [label="Property Insurance" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N4 [label="Contract Review" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N5 [label="Buyer Inquiry" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N6 [label="Zoning Compliance" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N7 [label="Maintenance Request" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N8 [label="Tenant Screening" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N9 [label="Investment Property Analysis" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N10 [label="Tax Assessment" color="#94C0C0" fillcolor="#CADEDE" shape=folder style=filled]
+	N11 [label="Property Valuation" color="#94C0C0" fillcolor="#CADEDE" shape=folder style=filled]
+	N12 [label="Loan Pre_Approval" color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+	N13 [label="Property Appraisal" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N14 [label="Open House Event" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N15 [label="Brokerage License Renewal" color="#FFF9AE" fillcolor="#FFFCE6" shape=oval style=filled]
+	N16 [label="Land Acquisition" color="#94C0C0" fillcolor="#CADEDE" shape=plaintext style=filled]
+	N17 [label="Escrow Setup" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	S0 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#BCB88A" fillcolor="#F5F5DC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="HOA Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Building Permit Application" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest0_1 [label="Price Negotiation" color="#FFF9AE" fillcolor="#FFFCE6" shape=oval style=filled]
+		nest0_2 [label="Market Trend Analysis" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+		nest0_3 [label="Site Visit Scheduling" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label=advertises color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Renovation Planning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Closing Meeting" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+		nest1_1 [label="Property Management" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=buys color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=leases color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=finances color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=zones color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=markets color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N16 -> N17 [label=invests color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N3 [label=schedules color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest1_0 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N8 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N10 -> S2 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N16 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_105.dot b/train/graphviz/hard/graphviz_105.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0580e575baadfdcad0e474c8d6cf751a79a23979
--- /dev/null
+++ b/train/graphviz/hard/graphviz_105.dot
@@ -0,0 +1,62 @@
+digraph {
+	rankdir=BT
+	N0 [label="Border Security" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N1 [label="Drug Interdiction" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+	N2 [label="Search and Rescue Operations" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+	N3 [label="Hostage Negotiation" color="#BDAFA8" fillcolor="#E4E0DF" shape=octagon style=filled]
+	N4 [label="Crowd Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N5 [label="SWAT Team Activation" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+	N6 [label="Community Outreach" color="#A2D0FF" fillcolor="#E8F0FF" shape=oval style=filled]
+	N7 [label="Emergency Dispatch" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N8 [label="Emergency Medical Service" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N9 [label="K9 Unit Deployment" color="#A2D0FF" fillcolor="#E8F0FF" shape=Mdiamond style=filled]
+	N10 [label="First Aid Deployment" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N11 [label="Rescue Coordination" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	S0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Post_Incident Review" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Resource Allocation" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest0_1 [label="Witness Interview" color="#BDAFA8" fillcolor="#E4E0DF" shape=oval style=filled]
+		nest0_2 [label="Victim Support Services" color="#A2D0FF" fillcolor="#E8F0FF" shape=oval style=filled]
+		nest0_3 [label="Crime Scene Analysis" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Crime Prevention Programs" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Suspect Identification" color="#A2D0FF" fillcolor="#E8F0FF" shape=octagon style=filled]
+		nest1_1 [label="Cybersecurity Threat Response" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [label=evacuates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M2 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N11 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_107.txt b/train/graphviz/hard/graphviz_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3b6cac6febd810004839a756ab1d541547cf7f16
--- /dev/null
+++ b/train/graphviz/hard/graphviz_107.txt
@@ -0,0 +1,30 @@
+<Bomb Disposal, connectedTo, Evidence Collection>
+<Bomb Disposal, partOf, Bomb Disposal>
+<Community Outreach, connectedTo, Inmate Transport>
+<Court Testimony, connectedTo, Threat Assessment>
+<Court Testimony, partOf, Court Testimony>
+<Emergency Dispatch, connectedTo, Resource Allocation>
+<Emergency Dispatch, partOf, Emergency Dispatch>
+<Emergency Medical Service, connectedTo, Community Outreach>
+<Emergency Medical Service, connectedTo, Hostage Negotiation>
+<Evidence Collection, connectedTo, Emergency Dispatch>
+<Evidence Collection, partOf, Evidence Collection>
+<Fire Suppression, connectedTo, Community Outreach>
+<Fire Suppression, connectedTo, Emergency Medical Service>
+<Fire Suppression, connectedTo, Inmate Transport>
+<Forensic Analysis, connectedTo, Public Warning>
+<Hostage Negotiation, connectedTo, Community Outreach>
+<Hostage Negotiation, plans, Incident Reporting>
+<Incident Reporting, connectedTo, Bomb Disposal>
+<Incident Reporting, connectedTo, Community Outreach>
+<Incident Reporting, connectedTo, Forensic Analysis>
+<Incident Reporting, connectedTo, Inmate Transport>
+<Incident Reporting, connectedTo, Public Warning>
+<Inmate Transport, connectedTo, Traffic Control>
+<Inmate Transport, recovers, Forensic Analysis>
+<Resource Allocation, connectedTo, Inmate Transport>
+<Resource Allocation, partOf, Resource Allocation>
+<Threat Assessment, connectedTo, Inmate Transport>
+<Threat Assessment, partOf, Threat Assessment>
+<Traffic Control, connectedTo, Court Testimony>
+<Traffic Control, partOf, Traffic Control>
diff --git a/train/graphviz/hard/graphviz_108.txt b/train/graphviz/hard/graphviz_108.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1c64e4e9a8ab4cfbd4e7e493d718648e3da8a21
--- /dev/null
+++ b/train/graphviz/hard/graphviz_108.txt
@@ -0,0 +1,42 @@
+<Bomb Disposal, connectedTo, Law Enforcement Database Check>
+<Bomb Disposal, partOf, Bomb Disposal>
+<Border Security, connectedTo, Emergency Medical Service>
+<Border Security, educates, Hazard Detection>
+<Community Outreach, connectedTo, Crowd Management>
+<Community Outreach, connectedTo, Cybersecurity Threat Response>
+<Community Outreach, connectedTo, Emergency Medical Service>
+<Community Outreach, connectedTo, Fire Suppression>
+<Crime Prevention Programs, connectedTo, Crowd Management>
+<Crime Scene Analysis, connectedTo, Community Outreach>
+<Crowd Management, protects, Patrol Scheduling>
+<Cybersecurity Threat Response, connectedTo, Rescue Coordination>
+<Disaster Relief Coordination, assesses, Border Security>
+<Disaster Relief Coordination, collaborates, Victim Support Services>
+<Disaster Relief Coordination, connectedTo, Emergency Medical Service>
+<Disaster Relief Coordination, connectedTo, Responder Alert>
+<Emergency Dispatch, plans, Responder Alert>
+<Emergency Medical Service, connectedTo, Bomb Disposal>
+<Emergency Medical Service, connectedTo, Cybersecurity Threat Response>
+<Evidence Collection, connectedTo, Crime Scene Analysis>
+<Evidence Collection, connectedTo, Emergency Medical Service>
+<Fire Suppression, connectedTo, Crime Prevention Programs>
+<Forensic Analysis, connectedTo, Suspect Identification>
+<Hazard Detection, connectedTo, Emergency Medical Service>
+<Hazard Detection, connectedTo, Public Safety Training>
+<Inmate Transport, connectedTo, Disaster Relief Coordination>
+<Inmate Transport, connectedTo, Responder Alert>
+<Law Enforcement Database Check, connectedTo, Crime Prevention Programs>
+<Law Enforcement Database Check, partOf, Law Enforcement Database Check>
+<Public Safety Training, connectedTo, Witness Interview>
+<Rescue Coordination, connectedTo, Fire Suppression>
+<Responder Alert, reports, Search and Rescue Operations>
+<Search and Rescue Operations, connectedTo, Crowd Management>
+<Search and Rescue Operations, connectedTo, Emergency Medical Service>
+<Search and Rescue Operations, connectedTo, Forensic Analysis>
+<Search and Rescue Operations, investigates, Emergency Medical Service>
+<Suspect Identification, connectedTo, Evidence Collection>
+<Traffic Control, partOf, Traffic Control>
+<Traffic Control, rescues, Hazard Detection>
+<Victim Support Services, connectedTo, Traffic Control>
+<Victim Support Services, partOf, Victim Support Services>
+<Witness Interview, connectedTo, Emergency Dispatch>
diff --git a/train/graphviz/hard/graphviz_109.dot b/train/graphviz/hard/graphviz_109.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8be19f98131a3d76b3bbf07ea790339aacb7e163
--- /dev/null
+++ b/train/graphviz/hard/graphviz_109.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=TD
+	N0 [label="Disaster Relief Coordination" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N1 [label="Inmate Transport" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N2 [label="Emergency Dispatch" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N3 [label="Crowd Management" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N4 [label="Crime Prevention Programs" color="#3F51B5" fillcolor="#C5CAE9" shape=Mdiamond style=filled]
+	N5 [label="Drug Interdiction" color="#FFF9AE" fillcolor="#FFFCE6" shape=oval style=filled]
+	N6 [label="Incident Reporting" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N7 [label="Hostage Negotiation" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
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+	N10 [label="Law Enforcement Database Check" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N11 [label="Cybersecurity Threat Response" color="#FFF9AE" fillcolor="#FFFCE6" shape=folder style=filled]
+	N12 [label="Community Outreach" color="#388E3C" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N13 [label="Border Security" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+	N14 [label="Rescue Coordination" color="#388E3C" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N15 [label="K9 Unit Deployment" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N16 [label="Fire Suppression" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	S0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#388E3C" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Public Warning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Forensic Analysis" color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+		nest0_1 [label="Bomb Disposal" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+		nest0_2 [label="Resource Allocation" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Public Safety Training" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Suspect Identification" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+		nest1_1 [label="Witness Interview" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+		nest1_2 [label="Emergency Medical Service" color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+		nest1_3 [label="Threat Assessment" color="#388E3C" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [label=enforces color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [label=controls color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N9 [label=rehabilitates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N14 -> nest1_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N7 [label=plans color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N10 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S0 -> N15 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [label=protects color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> M1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N15 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_110.dot b/train/graphviz/hard/graphviz_110.dot
new file mode 100644
index 0000000000000000000000000000000000000000..426f497c57be3e524270bae7c3bf32ea19cc1cc3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_110.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=RL
+	N0 [label="Drug Interdiction" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Community Outreach" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N2 [label="Surveillance Review" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N3 [label="Evidence Collection" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N4 [label="First Aid Deployment" color="#81C784" fillcolor="#F1F8E9" shape=Mdiamond style=filled]
+	N5 [label="Incident Reporting" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N6 [label="Shelter Setup" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N7 [label="Post_Incident Review" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N8 [label="Crowd Management" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N9 [label="Emergency Dispatch" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N10 [label="Emergency Medical Service" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N11 [label="Threat Assessment" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N12 [label="K9 Unit Deployment" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N13 [label="Suspect Identification" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N14 [label="Court Testimony" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
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+	M2 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Crime Prevention Programs" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+		nest0_1 [label="Rescue Coordination" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+		nest0_2 [label="Hazard Detection" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Public Safety Training" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Border Security" color="#81C784" fillcolor="#F1F8E9" shape=octagon style=filled]
+		nest1_1 [label="Law Enforcement Database Check" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=controls color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#81C784" dir=forward penwidth=1.5 style=solid]
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+	N5 -> N6 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=detects color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#81C784" dir=forward penwidth=1.5 style=solid]
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+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=contains color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N4 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N12 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N3 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [label=rehabilitates color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [label=allocates color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N14 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N12 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N5 -> M2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M2 -> N7 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_110.txt b/train/graphviz/hard/graphviz_110.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7e93c7ff07a8f63e356a78aff27304f914284c28
--- /dev/null
+++ b/train/graphviz/hard/graphviz_110.txt
@@ -0,0 +1,39 @@
+<Border Security, connectedTo, Law Enforcement Database Check>
+<Border Security, partOf, Border Security>
+<Community Outreach, connectedTo, Post_Incident Review>
+<Community Outreach, connectedTo, Surveillance Review>
+<Crime Prevention Programs, connectedTo, Rescue Coordination>
+<Crime Prevention Programs, partOf, Crime Prevention Programs>
+<Crowd Management, connectedTo, Emergency Dispatch>
+<Drug Interdiction, connectedTo, K9 Unit Deployment>
+<Drug Interdiction, connectedTo, Post_Incident Review>
+<Drug Interdiction, controls, Community Outreach>
+<Emergency Dispatch, connectedTo, Emergency Medical Service>
+<Emergency Dispatch, connectedTo, K9 Unit Deployment>
+<Emergency Medical Service, connectedTo, Threat Assessment>
+<Evidence Collection, connectedTo, First Aid Deployment>
+<First Aid Deployment, connectedTo, Incident Reporting>
+<Hazard Detection, connectedTo, First Aid Deployment>
+<Hazard Detection, partOf, Hazard Detection>
+<Incident Reporting, connectedTo, Post_Incident Review>
+<Incident Reporting, connectedTo, Shelter Setup>
+<K9 Unit Deployment, connectedTo, Border Security>
+<K9 Unit Deployment, connectedTo, Suspect Identification>
+<Law Enforcement Database Check, connectedTo, Evidence Collection>
+<Law Enforcement Database Check, partOf, Law Enforcement Database Check>
+<Post_Incident Review, connectedTo, Crime Prevention Programs>
+<Post_Incident Review, connectedTo, Crowd Management>
+<Rescue Coordination, connectedTo, Hazard Detection>
+<Rescue Coordination, partOf, Rescue Coordination>
+<Shelter Setup, allocates, Court Testimony>
+<Shelter Setup, connectedTo, Crowd Management>
+<Shelter Setup, connectedTo, K9 Unit Deployment>
+<Shelter Setup, detects, Post_Incident Review>
+<Surveillance Review, connectedTo, Emergency Dispatch>
+<Surveillance Review, connectedTo, Evidence Collection>
+<Surveillance Review, connectedTo, Post_Incident Review>
+<Surveillance Review, rehabilitates, Emergency Medical Service>
+<Suspect Identification, connectedTo, Court Testimony>
+<Threat Assessment, connectedTo, Court Testimony>
+<Threat Assessment, connectedTo, Suspect Identification>
+<Threat Assessment, contains, K9 Unit Deployment>
diff --git a/train/graphviz/hard/graphviz_112.dot b/train/graphviz/hard/graphviz_112.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b82a2393a3b2d352140894afce3d8a6f87f5754
--- /dev/null
+++ b/train/graphviz/hard/graphviz_112.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=TD
+	N0 [label="Law Enforcement Database Check" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Victim Support Services" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
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+	N3 [label="Court Testimony" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N4 [label="Community Outreach" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+	N5 [label="Forensic Analysis" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N6 [label="Emergency Dispatch" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N7 [label="Crime Prevention Programs" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N8 [label="Fire Suppression" color="#A1887F" fillcolor="#EFEBE9" shape=Mdiamond style=filled]
+	N9 [label="Surveillance Review" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Rescue Coordination" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+		nest0_1 [label="Resource Allocation" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+		nest0_2 [label="Public Warning" color="#AB47BC" fillcolor="#F3E5F5" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Cybersecurity Threat Response" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Shelter Setup" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+		nest1_1 [label="Bomb Disposal" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+		nest1_2 [label="Hostage Negotiation" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=communicates color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=allocates color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [label=patrols color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest1_0 [label=reports color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N4 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label=recovers color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S1 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	M2 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_114.dot b/train/graphviz/hard/graphviz_114.dot
new file mode 100644
index 0000000000000000000000000000000000000000..459ad849865644975474c960e9c2c73e9969ae9f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_114.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=RL
+	N0 [label="Animation Production" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="Stunt Coordination" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N2 [label="Costume Design" color="#DCE775" fillcolor="#FCFCE7" shape=octagon style=filled]
+	N3 [label="Ticketing Sales" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N4 [label="Script Writing" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N5 [label="Streaming Setup" color="#A188D0" fillcolor="#DACBE3" shape=plaintext style=filled]
+	N6 [label="Scene Scheduling" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N7 [label="Awards Ceremony Production" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N8 [label="Talent Management" color="#A188D0" fillcolor="#DACBE3" shape=Mdiamond style=filled]
+	N9 [label="Budget Planning" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N10 [label="Actor Rehearsal" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N11 [label="Concert Promotion" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N12 [label="Trailer Production" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Licensing Approval" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sound Engineering" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_1 [label="Film Festival Submission" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Special Effects Design" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Press Junket" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+		nest1_1 [label="Editing Process" color="#DCE775" fillcolor="#FCFCE7" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=writes color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=directs color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=composes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest0_0 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest1_0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N3 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [label=mixes color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N9 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	M1 -> N6 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N7 -> M2 [label=streams color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M2 [label=archives color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N9 [color="#5C6BC0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_114.txt b/train/graphviz/hard/graphviz_114.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c73c1b45ac3b2ba404d1359fc283bf2dbab8d66
--- /dev/null
+++ b/train/graphviz/hard/graphviz_114.txt
@@ -0,0 +1,31 @@
+<Actor Rehearsal, composes, Concert Promotion>
+<Actor Rehearsal, connectedTo, Sound Engineering>
+<Animation Production, connectedTo, Stunt Coordination>
+<Awards Ceremony Production, connectedTo, Talent Management>
+<Awards Ceremony Production, streams, Budget Planning>
+<Budget Planning, connectedTo, Actor Rehearsal>
+<Budget Planning, connectedTo, Concert Promotion>
+<Budget Planning, connectedTo, Trailer Production>
+<Concert Promotion, connectedTo, Trailer Production>
+<Costume Design, connectedTo, Press Junket>
+<Costume Design, connectedTo, Scene Scheduling>
+<Costume Design, connectedTo, Ticketing Sales>
+<Editing Process, connectedTo, Ticketing Sales>
+<Editing Process, partOf, Editing Process>
+<Film Festival Submission, connectedTo, Stunt Coordination>
+<Film Festival Submission, partOf, Film Festival Submission>
+<Press Junket, connectedTo, Editing Process>
+<Press Junket, partOf, Press Junket>
+<Scene Scheduling, connectedTo, Awards Ceremony Production>
+<Scene Scheduling, mixes, Concert Promotion>
+<Script Writing, connectedTo, Scene Scheduling>
+<Script Writing, connectedTo, Streaming Setup>
+<Sound Engineering, connectedTo, Film Festival Submission>
+<Sound Engineering, partOf, Sound Engineering>
+<Streaming Setup, archives, Budget Planning>
+<Streaming Setup, connectedTo, Scene Scheduling>
+<Stunt Coordination, connectedTo, Budget Planning>
+<Stunt Coordination, writes, Costume Design>
+<Talent Management, directs, Budget Planning>
+<Ticketing Sales, connectedTo, Scene Scheduling>
+<Ticketing Sales, connectedTo, Script Writing>
diff --git a/train/graphviz/hard/graphviz_115.txt b/train/graphviz/hard/graphviz_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5536b1561e4ca2d7b0d2700b2cc7f69994d76e36
--- /dev/null
+++ b/train/graphviz/hard/graphviz_115.txt
@@ -0,0 +1,47 @@
+<Actor Rehearsal, connectedTo, Set Construction>
+<Audience Feedback, connectedTo, Concert Promotion>
+<Audience Feedback, connectedTo, Location Scouting>
+<Audience Feedback, connectedTo, Sound Engineering>
+<Audience Feedback, directs, Fan Engagement Strategy>
+<Audience Feedback, edits, Location Scouting>
+<Awards Ceremony Production, connectedTo, Stunt Coordination>
+<Awards Ceremony Production, partOf, Awards Ceremony Production>
+<Casting Call, connectedTo, Streaming Setup>
+<Casting Call, rehearses, Set Construction>
+<Concert Promotion, connectedTo, Visual Effects>
+<Editing Process, connectedTo, Audience Feedback>
+<Fan Engagement Strategy, connectedTo, Sound Engineering>
+<Game Development, connectedTo, Casting Call>
+<Intellectual Property Protection, connectedTo, Scene Shooting>
+<Intellectual Property Protection, connectedTo, Set Construction>
+<Lighting Setup, connectedTo, Awards Ceremony Production>
+<Lighting Setup, partOf, Lighting Setup>
+<Marketing Campaign, connectedTo, Premiere Event>
+<Marketing Campaign, partOf, Marketing Campaign>
+<Merchandise Creation, archives, Set Construction>
+<Merchandise Creation, connectedTo, Actor Rehearsal>
+<Merchandise Creation, connectedTo, Location Scouting>
+<Music Composition, connectedTo, Marketing Campaign>
+<Music Composition, partOf, Music Composition>
+<Premiere Event, connectedTo, Visual Effects>
+<Premiere Event, partOf, Premiere Event>
+<Red Carpet Event, connectedTo, Location Scouting>
+<Red Carpet Event, connectedTo, Merchandise Creation>
+<Scene Shooting, connectedTo, Game Development>
+<Scene Shooting, connectedTo, Lighting Setup>
+<Scene Shooting, connectedTo, Set Construction>
+<Script Writing, connectedTo, Trailer Production>
+<Set Construction, connectedTo, Stunt Coordination>
+<Sound Engineering, connectedTo, Location Scouting>
+<Streaming Setup, connectedTo, Sound Engineering>
+<Streaming Setup, streams, Script Writing>
+<Stunt Coordination, connectedTo, Ticketing Sales>
+<Stunt Coordination, designs, Sound Engineering>
+<Ticketing Sales, auditions, Editing Process>
+<Ticketing Sales, connectedTo, Audience Feedback>
+<Ticketing Sales, connectedTo, Concert Promotion>
+<Ticketing Sales, connectedTo, Fan Engagement Strategy>
+<Ticketing Sales, connectedTo, Visual Effects>
+<Trailer Production, connectedTo, Red Carpet Event>
+<Visual Effects, connectedTo, Fan Engagement Strategy>
+<Visual Effects, connectedTo, Music Composition>
diff --git a/train/graphviz/hard/graphviz_116.txt b/train/graphviz/hard/graphviz_116.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a1262f4af019de7302714d006b6ae81dbb619086
--- /dev/null
+++ b/train/graphviz/hard/graphviz_116.txt
@@ -0,0 +1,33 @@
+<Awards Ceremony Production, connectedTo, Footage Review>
+<Awards Ceremony Production, connectedTo, Lighting Setup>
+<Awards Ceremony Production, connectedTo, Location Scouting>
+<Budget Planning, connectedTo, Awards Ceremony Production>
+<Budget Planning, connectedTo, Lighting Setup>
+<Budget Planning, connectedTo, Location Scouting>
+<Casting Call, connectedTo, Footage Review>
+<Casting Call, partOf, Casting Call>
+<Concert Promotion, connectedTo, Red Carpet Event>
+<Concert Promotion, partOf, Concert Promotion>
+<Footage Review, connectedTo, Lighting Setup>
+<Game Development, connectedTo, Visual Effects>
+<Game Development, partOf, Game Development>
+<Intellectual Property Protection, connectedTo, Game Development>
+<Intellectual Property Protection, partOf, Intellectual Property Protection>
+<Lighting Setup, connectedTo, Location Scouting>
+<Lighting Setup, connectedTo, Post_Production Audio Mixing>
+<Music Composition, connectedTo, Concert Promotion>
+<Music Composition, partOf, Music Composition>
+<Post_Production Audio Mixing, connectedTo, Music Composition>
+<Post_Production Audio Mixing, partOf, Post_Production Audio Mixing>
+<Red Carpet Event, animates, Sponsorship Acquisition>
+<Red Carpet Event, connectedTo, Intellectual Property Protection>
+<Red Carpet Event, rehearses, Budget Planning>
+<Sponsorship Acquisition, connectedTo, Awards Ceremony Production>
+<Sponsorship Acquisition, connectedTo, Budget Planning>
+<Sponsorship Acquisition, connectedTo, Footage Review>
+<Sponsorship Acquisition, connectedTo, Lighting Setup>
+<Sponsorship Acquisition, connectedTo, Location Scouting>
+<Ticketing Sales, connectedTo, Budget Planning>
+<Ticketing Sales, connectedTo, Red Carpet Event>
+<Visual Effects, connectedTo, Casting Call>
+<Visual Effects, partOf, Visual Effects>
diff --git a/train/graphviz/hard/graphviz_118.dot b/train/graphviz/hard/graphviz_118.dot
new file mode 100644
index 0000000000000000000000000000000000000000..955ce517edee31405ceab45d431968960f03e1a7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_118.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=RL
+	N0 [label="Costume Design" color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N1 [label="Talent Management" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N2 [label="Visual Effects" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N3 [label="Premiere Event" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N4 [label="Lighting Setup" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N5 [label="Special Effects Design" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N6 [label="Intellectual Property Protection" color="#F44336" fillcolor="#FFCDD2" shape=plaintext style=filled]
+	N7 [label="Press Junket" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N8 [label="Game Development" color="#2196F3" fillcolor="#BBDEFB" shape=plaintext style=filled]
+	N9 [label="Awards Ceremony Production" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N10 [label="Editing Process" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N11 [label="Scene Scheduling" color="#2196F3" fillcolor="#BBDEFB" shape=plaintext style=filled]
+	N12 [label="Broadcast Scheduling" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N13 [label="Trailer Production" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N14 [label="Actor Rehearsal" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFC107" fillcolor="#FFECB3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FFC107" fillcolor="#FFECB3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Footage Review" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Merchandise Creation" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+		nest0_1 [label="Audience Feedback" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Script Writing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Stunt Coordination" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest1_1 [label="Set Construction" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest1_2 [label="Casting Call" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest1_3 [label="Location Scouting" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest0_0 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N14 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest1_0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N10 [label=schedules color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N3 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [label=rehearses color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [label=writes color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N8 -> M1 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M2 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M2 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M2 [label=produces color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	M2 -> N11 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_119.txt b/train/graphviz/hard/graphviz_119.txt
new file mode 100644
index 0000000000000000000000000000000000000000..255cd18c77ae64adb2bb088b44327ec8ae6f7a00
--- /dev/null
+++ b/train/graphviz/hard/graphviz_119.txt
@@ -0,0 +1,35 @@
+<Animation Production, connectedTo, Licensing Approval>
+<Awards Ceremony Production, animates, Stunt Coordination>
+<Concert Promotion, connectedTo, Streaming Setup>
+<Concert Promotion, partOf, Concert Promotion>
+<Costume Design, connectedTo, Lighting Setup>
+<Editing Process, connectedTo, Live Performance>
+<Editing Process, connectedTo, Merchandise Creation>
+<Fan Engagement Strategy, connectedTo, Game Development>
+<Fan Engagement Strategy, connectedTo, Licensing Approval>
+<Film Festival Submission, connectedTo, Talent Management>
+<Film Festival Submission, partOf, Film Festival Submission>
+<Game Development, connectedTo, Awards Ceremony Production>
+<Game Development, connectedTo, Licensing Approval>
+<Game Development, connectedTo, Lighting Setup>
+<Game Development, connectedTo, Red Carpet Event>
+<Licensing Approval, connectedTo, Press Junket>
+<Licensing Approval, connectedTo, Set Construction>
+<Licensing Approval, connectedTo, Streaming Setup>
+<Lighting Setup, connectedTo, Animation Production>
+<Live Performance, connectedTo, Film Festival Submission>
+<Live Performance, partOf, Live Performance>
+<Merchandise Creation, connectedTo, Red Carpet Event>
+<Music Composition, connectedTo, Fan Engagement Strategy>
+<Red Carpet Event, connectedTo, Costume Design>
+<Red Carpet Event, connectedTo, Licensing Approval>
+<Script Writing, connectedTo, Concert Promotion>
+<Script Writing, partOf, Script Writing>
+<Set Construction, connectedTo, Press Junket>
+<Special Effects Design, connectedTo, Music Composition>
+<Streaming Setup, connectedTo, Set Construction>
+<Stunt Coordination, collaborates, Trailer Production>
+<Talent Management, connectedTo, Game Development>
+<Talent Management, partOf, Talent Management>
+<Trailer Production, connectedTo, Script Writing>
+<Trailer Production, sponsors, Editing Process>
diff --git a/train/graphviz/hard/graphviz_12.dot b/train/graphviz/hard/graphviz_12.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cc21cf86381ecb17bf9d85141f4ac9c47258a4f3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_12.dot
@@ -0,0 +1,84 @@
+digraph {
+	rankdir=RL
+	N0 [label="Nutritional Counseling" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N1 [label=Follow_up color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N2 [label="Blood Test" color="#9575CD" fillcolor="#EDE7F6" shape=diamond style=filled]
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+	N5 [label="Lab Test" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N6 [label="Physical Examination" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N7 [label="Dental Check_up" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
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+	N9 [label="Patient Education" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N10 [label="Imaging Scan" color="#9575CD" fillcolor="#EDE7F6" shape=folder style=filled]
+	N11 [label="Device Implantation" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N12 [label="Pain Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N13 [label=Referral color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	S0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M2 [label="" color="#6FE1D5" fillcolor="#C9EFEC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Medical Record Keeping" color="#9575CD" fillcolor="#EDE7F6" shape=folder style=filled]
+		nest0_1 [label="Treatment Plan" color="#9575CD" fillcolor="#EDE7F6" shape=octagon style=filled]
+		nest0_2 [label="Wound Care" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+		nest0_3 [label="Medical History" color="#9575CD" fillcolor="#EDE7F6" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Genetic Counseling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Allergy Test" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+		nest1_1 [label="Epidemiological Tracking" color="#9575CD" fillcolor="#EDE7F6" shape=oval style=filled]
+		nest1_2 [label="Insurance Claim" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [label=operates color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
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+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	S2 -> N10 [label=escalates color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N12 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [label=examines color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=admits color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N13 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M2 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_120.dot b/train/graphviz/hard/graphviz_120.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5a456e66cbfef79820b07cd046b448c40c770d2c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_120.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=BT
+	N0 [label="Merchandise Creation" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Editing Process" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N2 [label="Costume Design" color="#FFB2A5" fillcolor="#FFDCD6" shape=diamond style=filled]
+	N3 [label="Intellectual Property Protection" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N4 [label="Talent Management" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N5 [label="Script Writing" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N6 [label="Sound Engineering" color="#FFB2A5" fillcolor="#FFDCD6" shape=plaintext style=filled]
+	N7 [label="Awards Ceremony Production" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N8 [label="Stunt Coordination" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N9 [label="Casting Call" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N10 [label="Location Scouting" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N11 [label="Film Festival Submission" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N12 [label="Marketing Campaign" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N13 [label="Lighting Setup" color="#FFB2A5" fillcolor="#FFDCD6" shape=octagon style=filled]
+	N14 [label="Live Performance" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N15 [label="Premiere Event" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N16 [label="Ticketing Sales" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
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+		nest0_0 [label="Footage Review" color="#A188D0" fillcolor="#DACBE3" shape=Mdiamond style=filled]
+		nest0_1 [label="Scene Scheduling" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
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+	}
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+		nest1_0 [label="Budget Planning" color="#FFB2A5" fillcolor="#FFDCD6" shape=folder style=filled]
+		nest1_1 [label="Streaming Setup" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+		nest1_2 [label="Sponsorship Acquisition" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+		nest1_3 [label="Post_Production Audio Mixing" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	}
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+	N15 -> N16 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
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+	nest0_1 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N4 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
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+	S0 -> N12 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N16 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N12 -> S1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N16 [label=protects color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N7 -> S2 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_120.txt b/train/graphviz/hard/graphviz_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..730ca771b1a8e80ae873bbe70b65bddeabede121
--- /dev/null
+++ b/train/graphviz/hard/graphviz_120.txt
@@ -0,0 +1,38 @@
+<Awards Ceremony Production, connectedTo, Casting Call>
+<Awards Ceremony Production, connectedTo, Premiere Event>
+<Awards Ceremony Production, connectedTo, Stunt Coordination>
+<Budget Planning, connectedTo, Streaming Setup>
+<Budget Planning, partOf, Budget Planning>
+<Casting Call, connectedTo, Location Scouting>
+<Costume Design, connectedTo, Intellectual Property Protection>
+<Editing Process, connectedTo, Budget Planning>
+<Editing Process, connectedTo, Costume Design>
+<Film Festival Submission, connectedTo, Marketing Campaign>
+<Footage Review, connectedTo, Scene Scheduling>
+<Footage Review, partOf, Footage Review>
+<Intellectual Property Protection, connectedTo, Talent Management>
+<Lighting Setup, connectedTo, Live Performance>
+<Live Performance, mixes, Premiere Event>
+<Location Scouting, connectedTo, Film Festival Submission>
+<Marketing Campaign, connectedTo, Live Performance>
+<Marketing Campaign, produces, Lighting Setup>
+<Marketing Campaign, protects, Ticketing Sales>
+<Merchandise Creation, connectedTo, Editing Process>
+<Post_Production Audio Mixing, connectedTo, Talent Management>
+<Post_Production Audio Mixing, partOf, Post_Production Audio Mixing>
+<Premiere Event, connectedTo, Ticketing Sales>
+<Scene Scheduling, connectedTo, Premiere Event>
+<Scene Scheduling, partOf, Scene Scheduling>
+<Script Writing, connectedTo, Sound Engineering>
+<Sound Engineering, connectedTo, Awards Ceremony Production>
+<Sponsorship Acquisition, connectedTo, Post_Production Audio Mixing>
+<Sponsorship Acquisition, partOf, Sponsorship Acquisition>
+<Streaming Setup, connectedTo, Sponsorship Acquisition>
+<Streaming Setup, partOf, Streaming Setup>
+<Stunt Coordination, connectedTo, Casting Call>
+<Stunt Coordination, connectedTo, Marketing Campaign>
+<Stunt Coordination, connectedTo, Premiere Event>
+<Stunt Coordination, connectedTo, Ticketing Sales>
+<Talent Management, connectedTo, Footage Review>
+<Talent Management, connectedTo, Script Writing>
+<Ticketing Sales, connectedTo, Editing Process>
diff --git a/train/graphviz/hard/graphviz_121.txt b/train/graphviz/hard/graphviz_121.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b43cf132368735880459d704e2265aeabb0a61a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_121.txt
@@ -0,0 +1,44 @@
+<Carbon Footprint Calculation, connectedTo, Regulatory Compliance>
+<Citizen Science Initiative, connectedTo, Waste Collection>
+<Climate Modeling, connectedTo, Renewable Energy Grid Integration>
+<Climate Modeling, partOf, Climate Modeling>
+<Ecosystem Restoration, connectedTo, Sustainability Review>
+<Ecosystem Restoration, partOf, Ecosystem Restoration>
+<Energy Audit, connectedTo, Environmental Research>
+<Environmental Education Programs, adapts, Recycling Process>
+<Environmental Education Programs, partOf, Environmental Education Programs>
+<Environmental Impact Assessment, connectedTo, Regulatory Compliance>
+<Environmental Impact Assessment, connectedTo, Water Sampling>
+<Environmental Research, connectedTo, Regulatory Compliance>
+<Environmental Research, connectedTo, Species Reintroduction>
+<Green Certification, connectedTo, Pollution Control Technology>
+<Green Certification, connectedTo, Public Awareness Campaign>
+<Groundwater Monitoring, connectedTo, Hazardous Material Handling>
+<Hazardous Material Handling, connectedTo, Public Awareness Campaign>
+<Hazardous Material Handling, manages, Ocean Cleanup>
+<Ocean Cleanup, connectedTo, Public Awareness Campaign>
+<Pollution Control Technology, connectedTo, Groundwater Monitoring>
+<Pollution Control Technology, connectedTo, Public Awareness Campaign>
+<Public Awareness Campaign, connectedTo, Citizen Science Initiative>
+<Public Awareness Campaign, connectedTo, Energy Audit>
+<Public Awareness Campaign, connectedTo, Recycling Process>
+<Public Awareness Campaign, connectedTo, Resource Recovery>
+<Recycling Process, connectedTo, Sustainable Agriculture Practices>
+<Regulatory Compliance, connectedTo, Resource Recovery>
+<Renewable Energy Grid Integration, connectedTo, Environmental Education Programs>
+<Renewable Energy Grid Integration, partOf, Renewable Energy Grid Integration>
+<Resource Recovery, connectedTo, Citizen Science Initiative>
+<Species Reintroduction, connectedTo, Carbon Footprint Calculation>
+<Species Reintroduction, connectedTo, Stormwater Management>
+<Stormwater Management, connectedTo, Ecosystem Restoration>
+<Stormwater Management, partOf, Stormwater Management>
+<Sustainability Review, connectedTo, Citizen Science Initiative>
+<Sustainability Review, partOf, Sustainability Review>
+<Sustainable Agriculture Practices, connectedTo, Climate Modeling>
+<Sustainable Agriculture Practices, connectedTo, Environmental Impact Assessment>
+<Waste Collection, connectedTo, Pollution Alert>
+<Water Sampling, connectedTo, Energy Audit>
+<Wildlife Survey, connectedTo, Green Certification>
+<Wildlife Survey, connectedTo, Public Awareness Campaign>
+<Wildlife Survey, connectedTo, Sustainable Agriculture Practices>
+<Wildlife Survey, connectedTo, Water Sampling>
diff --git a/train/graphviz/hard/graphviz_122.txt b/train/graphviz/hard/graphviz_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..321a527e35a849905fe40780a03c0e4f18b8f3d7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_122.txt
@@ -0,0 +1,31 @@
+<Air Quality Monitoring, inspects, Ocean Cleanup>
+<Air Quality Monitoring, partOf, Air Quality Monitoring>
+<Carbon Footprint Calculation, innovates, Environmental Education Programs>
+<Carbon Footprint Calculation, partOf, Carbon Footprint Calculation>
+<Climate Modeling, connectedTo, Recycling Process>
+<Climate Modeling, connectedTo, Renewable Energy Grid Integration>
+<Climate Modeling, connectedTo, Soil Testing>
+<Ecosystem Restoration, connectedTo, Air Quality Monitoring>
+<Ecosystem Restoration, partOf, Ecosystem Restoration>
+<Energy Audit, connectedTo, Ecosystem Restoration>
+<Energy Audit, partOf, Energy Audit>
+<Environmental Education Programs, connectedTo, Water Sampling>
+<Environmental Education Programs, partOf, Environmental Education Programs>
+<Green Certification, alerts, Climate Modeling>
+<Green Certification, connectedTo, Water Sampling>
+<Ocean Cleanup, connectedTo, Renewable Energy Grid Integration>
+<Ocean Cleanup, connectedTo, Soil Testing>
+<Ocean Cleanup, incentivizes, Sustainable Agriculture Practices>
+<Recycling Process, connectedTo, Renewable Energy Grid Integration>
+<Recycling Process, connectedTo, Soil Testing>
+<Recycling Process, connectedTo, Wildlife Survey>
+<Renewable Energy Grid Integration, connectedTo, Soil Testing>
+<Sustainable Agriculture Practices, connectedTo, Climate Modeling>
+<Sustainable Agriculture Practices, connectedTo, Energy Audit>
+<Sustainable Agriculture Practices, connectedTo, Soil Testing>
+<Water Sampling, connectedTo, Climate Modeling>
+<Water Sampling, connectedTo, Ocean Cleanup>
+<Water Sampling, connectedTo, Sustainable Agriculture Practices>
+<Water Sampling, measures, Soil Testing>
+<Wildlife Survey, connectedTo, Carbon Footprint Calculation>
+<Wildlife Survey, partOf, Wildlife Survey>
diff --git a/train/graphviz/hard/graphviz_124.dot b/train/graphviz/hard/graphviz_124.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4477a9293bb0fa5e9e5f921983c43a97235ac9e9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_124.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=TD
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+	N6 [label="Water Sampling" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N7 [label="Species Reintroduction" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N8 [label="Ecosystem Restoration" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N9 [label="Noise Pollution Measurement" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N10 [label="Climate Modeling" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#388E3C" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Ocean Cleanup" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Coastal Erosion Control" color="#A1D7CD" fillcolor="#EDF5F3" shape=plaintext style=filled]
+		nest0_1 [label="Citizen Science Initiative" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_2 [label="Conservation Easement" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest0_3 [label="Sustainability Review" color="#A1D7CD" fillcolor="#EDF5F3" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Resource Recovery" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Energy Audit" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest1_1 [label="Environmental Research" color="#DCE775" fillcolor="#FCFCE7" shape=oval style=filled]
+		nest1_0 -> nest1_1 [label=calculates color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=certifies color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=reports color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest1_0 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N8 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_128.txt b/train/graphviz/hard/graphviz_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1d15a3bf5cb9e48c3239e80a76a198209eac62e3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_128.txt
@@ -0,0 +1,33 @@
+<Biodiversity Conservation, connectedTo, Carbon Footprint Calculation>
+<Carbon Footprint Calculation, connectedTo, Reforestation Planning>
+<Climate Modeling, connectedTo, Hazardous Material Handling>
+<Climate Modeling, connectedTo, Recycling Process>
+<Coastal Erosion Control, connectedTo, Species Reintroduction>
+<Ecological Footprint Analysis, connectedTo, Climate Modeling>
+<Ecological Footprint Analysis, connectedTo, Recycling Process>
+<Emission Reporting, connectedTo, Green Certification>
+<Emission Reporting, partOf, Emission Reporting>
+<Energy Audit, connectedTo, Resource Tracking>
+<Energy Audit, partOf, Energy Audit>
+<Green Certification, connectedTo, Sustainability Review>
+<Green Certification, partOf, Green Certification>
+<Hazardous Material Handling, connectedTo, Emission Reporting>
+<Hazardous Material Handling, connectedTo, Recycling Process>
+<Hazardous Material Handling, connectedTo, Resource Recovery>
+<Hazardous Material Handling, connectedTo, Soil Testing>
+<Noise Pollution Measurement, connectedTo, Ecological Footprint Analysis>
+<Noise Pollution Measurement, connectedTo, Recycling Process>
+<Pollution Alert, connectedTo, Noise Pollution Measurement>
+<Recycling Process, connectedTo, Coastal Erosion Control>
+<Resource Recovery, connectedTo, Recycling Process>
+<Resource Tracking, connectedTo, Hazardous Material Handling>
+<Resource Tracking, partOf, Resource Tracking>
+<Soil Testing, connectedTo, Energy Audit>
+<Soil Testing, partOf, Soil Testing>
+<Species Reintroduction, connectedTo, Biodiversity Conservation>
+<Species Reintroduction, connectedTo, Carbon Footprint Calculation>
+<Species Reintroduction, connectedTo, Reforestation Planning>
+<Species Reintroduction, connectedTo, Sustainability Review>
+<Sustainability Review, connectedTo, Biodiversity Conservation>
+<Sustainability Review, connectedTo, Carbon Footprint Calculation>
+<Sustainability Review, connectedTo, Reforestation Planning>
diff --git a/train/graphviz/hard/graphviz_129.dot b/train/graphviz/hard/graphviz_129.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8cf051efb6500e0b3efd3aa48453135ecbb37af9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_129.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=BT
+	N0 [label="Open Government Data Initiative" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
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+	N3 [label="International Relations" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N4 [label="Election Management" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N5 [label="Public Consultation" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N6 [label="Social Security Administration" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N7 [label="Legislation Review" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N8 [label="ID Verification" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Public Sector Procurement" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Diplomatic Negotiation" color="#64B5F6" fillcolor="#E3F2FD" shape=Mdiamond style=filled]
+		nest0_1 [label="National Defense" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+		nest0_2 [label="Public Records Request" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_3 [label="Tax Filing" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="Public Works Maintenance" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+		nest1_1 [label="Policy Drafting" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest1_2 [label="Passport Issuance" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+		nest1_3 [label="Permit Application" color="#FFE470" fillcolor="#FFFAE0" shape=octagon style=filled]
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+		nest1_1 -> nest1_2 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [label=evaluates color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	}
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+	S1 -> N4 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
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+	N1 -> M0 [label=plans color="#000000" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_13.dot b/train/graphviz/hard/graphviz_13.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ed921b2045c6cc640ff36ad03d479751fc6ee454
--- /dev/null
+++ b/train/graphviz/hard/graphviz_13.dot
@@ -0,0 +1,85 @@
+digraph {
+	rankdir=LR
+	N0 [label="Insurance Claim" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N1 [label="Telemedicine Consultation" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N2 [label="Anesthesia Administration" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N3 [label="Case Review" color="#FFE470" fillcolor="#FFFAE0" shape=plaintext style=filled]
+	N4 [label="Imaging Scan" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N5 [label="Mental Health Assessment" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N6 [label="Home Care Visit" color="#F44336" fillcolor="#FFCDD2" shape=Mdiamond style=filled]
+	N7 [label="Allergy Test" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N8 [label="Medication Dispensing" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N9 [label="Patient Intake" color="#F44336" fillcolor="#FFCDD2" shape=octagon style=filled]
+	N10 [label="Pharmacy Order" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N11 [label="Pain Management" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N12 [label=Vaccination color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+	N13 [label="Clinical Trial" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N14 [label="Medical History" color="#FFE470" fillcolor="#FFFAE0" shape=Mdiamond style=filled]
+	N15 [label="Genetic Counseling" color="#FFE470" fillcolor="#FFFAE0" shape=octagon style=filled]
+	N16 [label="Patient Transfer" color="#F44336" fillcolor="#FFCDD2" shape=plaintext style=filled]
+	N17 [label="Treatment Plan" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
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+		nest0_1 [label=Discharge color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+		nest0_2 [label="Dental Check_up" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
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+		nest0_1 -> nest0_2 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
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+		nest1_0 [label="Wound Care" color="#FFE470" fillcolor="#FFFAE0" shape=Mdiamond style=filled]
+		nest1_1 [label="Patient Education" color="#FFE470" fillcolor="#FFFAE0" shape=Mdiamond style=filled]
+		nest1_2 [label=Triage color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+		nest1_3 [label=Biopsy color="#E57373" fillcolor="#FFEBEE" shape=folder style=filled]
+		nest1_0 -> nest1_1 [color="#F44336" dir=forward penwidth=1.5 style=solid]
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+		nest1_2 -> nest1_3 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N8 -> M1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_13.txt b/train/graphviz/hard/graphviz_13.txt
new file mode 100644
index 0000000000000000000000000000000000000000..87c6d3b006f27cc620e7500badcf563690ae5d71
--- /dev/null
+++ b/train/graphviz/hard/graphviz_13.txt
@@ -0,0 +1,46 @@
+<Allergy Test, connectedTo, Medication Dispensing>
+<Allergy Test, connectedTo, Physical Examination>
+<Anesthesia Administration, connectedTo, Case Review>
+<Biopsy, connectedTo, Medication Dispensing>
+<Biopsy, partOf, Biopsy>
+<Case Review, connectedTo, Imaging Scan>
+<Clinical Trial, connectedTo, Genetic Counseling>
+<Clinical Trial, connectedTo, Medical History>
+<Clinical Trial, connectedTo, Patient Transfer>
+<Clinical Trial, connectedTo, Treatment Plan>
+<Dental Check_up, connectedTo, Pain Management>
+<Dental Check_up, partOf, Dental Check_up>
+<Discharge, connectedTo, Dental Check_up>
+<Discharge, partOf, Discharge>
+<Genetic Counseling, connectedTo, Patient Transfer>
+<Home Care Visit, connectedTo, Allergy Test>
+<Home Care Visit, connectedTo, Medication Dispensing>
+<Imaging Scan, connectedTo, Mental Health Assessment>
+<Insurance Claim, connectedTo, Case Review>
+<Insurance Claim, connectedTo, Medication Dispensing>
+<Insurance Claim, connectedTo, Telemedicine Consultation>
+<Medical History, connectedTo, Genetic Counseling>
+<Medical History, connectedTo, Treatment Plan>
+<Medication Dispensing, connectedTo, Patient Intake>
+<Medication Dispensing, connectedTo, Treatment Plan>
+<Mental Health Assessment, connectedTo, Home Care Visit>
+<Mental Health Assessment, connectedTo, Treatment Plan>
+<Pain Management, connectedTo, Vaccination>
+<Patient Education, connectedTo, Triage>
+<Patient Education, partOf, Patient Education>
+<Patient Intake, connectedTo, Pharmacy Order>
+<Patient Transfer, connectedTo, Treatment Plan>
+<Pharmacy Order, connectedTo, Genetic Counseling>
+<Pharmacy Order, connectedTo, Medical History>
+<Pharmacy Order, connectedTo, Pain Management>
+<Pharmacy Order, connectedTo, Wound Care>
+<Physical Examination, connectedTo, Discharge>
+<Physical Examination, partOf, Physical Examination>
+<Telemedicine Consultation, connectedTo, Anesthesia Administration>
+<Telemedicine Consultation, connectedTo, Case Review>
+<Telemedicine Consultation, connectedTo, Medication Dispensing>
+<Triage, connectedTo, Biopsy>
+<Triage, partOf, Triage>
+<Vaccination, connectedTo, Clinical Trial>
+<Wound Care, connectedTo, Patient Education>
+<Wound Care, partOf, Wound Care>
diff --git a/train/graphviz/hard/graphviz_130.txt b/train/graphviz/hard/graphviz_130.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ab86e03960c938c061af5bab3cbb0b8496542f7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_130.txt
@@ -0,0 +1,41 @@
+<Budget Allocation, connectedTo, Census Collection>
+<Business Licensing, connectedTo, International Relations>
+<Business Licensing, connectedTo, Open Government Data Initiative>
+<Business Licensing, connectedTo, Public Hearing>
+<Business Licensing, connectedTo, Transparency Audit>
+<Census Collection, connectedTo, Business Licensing>
+<Census Collection, connectedTo, Interdepartmental Approval>
+<Census Collection, connectedTo, Open Government Data Initiative>
+<Census Collection, connectedTo, Public Hearing>
+<Census Collection, connectedTo, Social Security Administration>
+<Compliance Checking, connectedTo, Public Hearing>
+<Driver's License Renewal, connectedTo, Public Hearing>
+<Driver's License Renewal, partOf, Driver's License Renewal>
+<Interdepartmental Approval, connectedTo, Business Licensing>
+<International Relations, connectedTo, Social Security Administration>
+<Legislation Review, connectedTo, Public Sector Procurement>
+<Legislation Review, partOf, Legislation Review>
+<Open Government Data Initiative, connectedTo, Passport Issuance>
+<Passport Issuance, connectedTo, Compliance Checking>
+<Policy Drafting, connectedTo, Public Consultation>
+<Policy Drafting, partOf, Policy Drafting>
+<Public Consultation, connectedTo, Driver's License Renewal>
+<Public Consultation, partOf, Public Consultation>
+<Public Health Initiative, connectedTo, Open Government Data Initiative>
+<Public Health Initiative, connectedTo, Passport Issuance>
+<Public Health Initiative, connectedTo, Policy Drafting>
+<Public Health Initiative, connectedTo, Vehicle Registration>
+<Public Hearing, audits, Vehicle Registration>
+<Public Sector Procurement, partOf, Public Sector Procurement>
+<Public Sector Procurement, researches, Vehicle Registration>
+<Service Registration, connectedTo, Legislation Review>
+<Service Registration, partOf, Service Registration>
+<Social Security Administration, connectedTo, Public Health Initiative>
+<Social Security Administration, connectedTo, Service Registration>
+<Tax Filing, connectedTo, Budget Allocation>
+<Tax Filing, connectedTo, Open Government Data Initiative>
+<Tax Filing, grants, Census Collection>
+<Tax Filing, mediates, Census Collection>
+<Vehicle Registration, connectedTo, Transparency Audit>
+<Whistleblower Protection, connectedTo, Census Collection>
+<Whistleblower Protection, connectedTo, Tax Filing>
diff --git a/train/graphviz/hard/graphviz_131.dot b/train/graphviz/hard/graphviz_131.dot
new file mode 100644
index 0000000000000000000000000000000000000000..86fc65947f58edd8b55614fe08c1e190cb892905
--- /dev/null
+++ b/train/graphviz/hard/graphviz_131.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=BT
+	N0 [label="Border Control" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N1 [label="Public Health Initiative" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N2 [label="Social Program Review" color="#FFF176" fillcolor="#FFFDE7" shape=plaintext style=filled]
+	N3 [label="Education Policy" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N4 [label="Transparency Audit" color="#42A5F5" fillcolor="#F1F8FF" shape=oval style=filled]
+	N5 [label="Grant Distribution" color="#FF8A65" fillcolor="#FBE9E7" shape=folder style=filled]
+	N6 [label="Public Sector Procurement" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N7 [label="ID Verification" color="#FF8A65" fillcolor="#FBE9E7" shape=folder style=filled]
+	N8 [label="Urban Planning" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N9 [label="Open Government Data Initiative" color="#FFF176" fillcolor="#FFFDE7" shape=plaintext style=filled]
+	N10 [label="Vehicle Registration" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N11 [label="Election Management" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N12 [label="Infrastructure Planning" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N13 [label="Policy Drafting" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N14 [label="Tax Filing" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S0 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#42A5F5" fillcolor="#F1F8FF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Interdepartmental Approval" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Compliance Checking" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+		nest0_1 [label="Social Security Administration" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest0_2 [label="Legal Advisory" color="#FF8A65" fillcolor="#FBE9E7" shape=hexagon style=filled]
+		nest0_3 [label="Permit Application" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Business Licensing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Public Hearing" color="#FF8A65" fillcolor="#FBE9E7" shape=oval style=filled]
+		nest1_1 [label="Service Registration" color="#FF8A65" fillcolor="#FBE9E7" shape=oval style=filled]
+		nest1_2 [label="Census Collection" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
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+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=funds color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=secures color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N2 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N8 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S2 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	S2 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N9 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_134.dot b/train/graphviz/hard/graphviz_134.dot
new file mode 100644
index 0000000000000000000000000000000000000000..da3a5fc8d63d3556b0904010ffca767b2ffce2d9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_134.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=TD
+	N0 [label="Open Government Data Initiative" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Service Registration" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N2 [label="Diplomatic Negotiation" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N3 [label="Public Works Maintenance" color="#B8C0F5" fillcolor="#ECF0FD" shape=Mdiamond style=filled]
+	N4 [label="Policy Drafting" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N5 [label="Interdepartmental Approval" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N6 [label="Census Collection" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+	N7 [label="Border Control" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N8 [label="National Defense" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N9 [label="Passport Issuance" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N10 [label="Public Records Request" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N11 [label="Election Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N12 [label="Whistleblower Protection" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N13 [label="Public Health Initiative" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+	N14 [label="Permit Application" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#D2D2D2" fillcolor="#F0F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="ID Verification" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Citizen Feedback" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+		nest0_1 [label="Driver's License Renewal" color="#D2D2D2" fillcolor="#F0F0F0" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Data Publishing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Grant Distribution" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+		nest1_1 [label="Legal Advisory" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=subsidizes color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=executes color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=develops color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N3 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N1 [label=approves color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S0 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N10 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	M2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_134.txt b/train/graphviz/hard/graphviz_134.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c88ed3907bdc1b76d578723ecddd91646d09f8a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_134.txt
@@ -0,0 +1,32 @@
+<Border Control, connectedTo, Passport Issuance>
+<Border Control, connectedTo, Permit Application>
+<Border Control, connectedTo, Public Health Initiative>
+<Border Control, connectedTo, Public Records Request>
+<Border Control, executes, National Defense>
+<Census Collection, connectedTo, Border Control>
+<Citizen Feedback, connectedTo, Driver's License Renewal>
+<Citizen Feedback, partOf, Citizen Feedback>
+<Diplomatic Negotiation, connectedTo, Border Control>
+<Diplomatic Negotiation, subsidizes, Public Works Maintenance>
+<Driver's License Renewal, connectedTo, Public Works Maintenance>
+<Driver's License Renewal, partOf, Driver's License Renewal>
+<Election Management, connectedTo, Whistleblower Protection>
+<Grant Distribution, connectedTo, Legal Advisory>
+<Grant Distribution, partOf, Grant Distribution>
+<Interdepartmental Approval, connectedTo, Census Collection>
+<Legal Advisory, approves, Service Registration>
+<Legal Advisory, partOf, Legal Advisory>
+<National Defense, connectedTo, Passport Issuance>
+<Open Government Data Initiative, connectedTo, Service Registration>
+<Passport Issuance, connectedTo, Grant Distribution>
+<Passport Issuance, develops, Public Records Request>
+<Policy Drafting, connectedTo, Border Control>
+<Policy Drafting, connectedTo, Interdepartmental Approval>
+<Public Health Initiative, connectedTo, Permit Application>
+<Public Records Request, connectedTo, Citizen Feedback>
+<Public Records Request, connectedTo, Election Management>
+<Public Records Request, connectedTo, Public Health Initiative>
+<Public Records Request, connectedTo, Whistleblower Protection>
+<Public Works Maintenance, connectedTo, Policy Drafting>
+<Service Registration, connectedTo, Diplomatic Negotiation>
+<Whistleblower Protection, connectedTo, Public Health Initiative>
diff --git a/train/graphviz/hard/graphviz_135.dot b/train/graphviz/hard/graphviz_135.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9a89be8d22e945e9ec71b82888bc524f4075b2d6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_135.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=BT
+	N0 [label="Diplomatic Negotiation" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Legislation Review" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+	N2 [label="Data Publishing" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N3 [label="Transparency Audit" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N4 [label="Policy Drafting" color="#B8C0F5" fillcolor="#ECF0FD" shape=folder style=filled]
+	N5 [label="Education Policy" color="#B8C0F5" fillcolor="#ECF0FD" shape=oval style=filled]
+	N6 [label="Interdepartmental Approval" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N7 [label="Public Works Maintenance" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N8 [label="Whistleblower Protection" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N9 [label="Emergency Preparedness" color="#B8C0F5" fillcolor="#ECF0FD" shape=oval style=filled]
+	N10 [label="Budget Allocation" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N11 [label="International Relations" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N12 [label="Urban Planning" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Driver's License Renewal" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Social Security Administration" color="#B8C0F5" fillcolor="#ECF0FD" shape=oval style=filled]
+		nest0_1 [label="Public Sector Procurement" color="#B8C0F5" fillcolor="#ECF0FD" shape=Mdiamond style=filled]
+		nest0_2 [label="Public Records Request" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
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+		nest1_1 [label="Permit Application" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=manages color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
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+	N3 -> N4 [label=negotiates color="#81C784" dir=forward penwidth=1.5 style=solid]
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+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=issues color="#000000" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_136.dot b/train/graphviz/hard/graphviz_136.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3d867fc187a84e04b997a92dd3f4a14328877910
--- /dev/null
+++ b/train/graphviz/hard/graphviz_136.dot
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diff --git a/train/graphviz/hard/graphviz_139.dot b/train/graphviz/hard/graphviz_139.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1850e6da9eead5698fe7f4b7fb089cf407a50a5f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_139.dot
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diff --git a/train/graphviz/hard/graphviz_14.dot b/train/graphviz/hard/graphviz_14.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fc30775feef8c3334f0a536f4f0109b1c71d6c35
--- /dev/null
+++ b/train/graphviz/hard/graphviz_14.dot
@@ -0,0 +1,55 @@
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diff --git a/train/graphviz/hard/graphviz_141.dot b/train/graphviz/hard/graphviz_141.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d8e592b947769f0bb682f36fc90600b3296d741f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_141.dot
@@ -0,0 +1,84 @@
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diff --git a/train/graphviz/hard/graphviz_142.txt b/train/graphviz/hard/graphviz_142.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d40e54448d1ff335cc7fe4b976149cf8f7408ed7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_142.txt
@@ -0,0 +1,40 @@
+<Barcode Scanning, connectedTo, Customer Checkout>
+<Barcode Scanning, partOf, Barcode Scanning>
+<Complaint Management, connectedTo, E_commerce Platform Integration>
+<Customer Checkout, connectedTo, Visual Merchandising>
+<Customer Loyalty Analytics, connectedTo, Product Listing>
+<Customer Loyalty Analytics, partOf, Customer Loyalty Analytics>
+<Daily Report Generation, connectedTo, Product Demonstration>
+<Daily Report Generation, connectedTo, Promotion Planning>
+<Discount Application, connectedTo, Security Tagging>
+<E_commerce Platform Integration, connectedTo, Discount Application>
+<E_commerce Platform Integration, connectedTo, Point of Sale System Update>
+<E_commerce Platform Integration, connectedTo, Security Tagging>
+<E_commerce Platform Integration, purchases, Vendor Managed Inventory>
+<Fitting Room Management, connectedTo, Store Layout Design>
+<Fitting Room Management, lists, Product Demonstration>
+<Order Fulfillment, connectedTo, Supply Chain Optimization>
+<Order Fulfillment, partOf, Order Fulfillment>
+<Product Demonstration, connectedTo, Promotion Planning>
+<Product Listing, connectedTo, Barcode Scanning>
+<Product Listing, partOf, Product Listing>
+<Promotion Planning, connectedTo, Shopping Cart Collection>
+<Seasonal Sales Planning, connectedTo, Staff Training>
+<Security Tagging, connectedTo, Point of Sale System Update>
+<Shopping Cart Collection, connectedTo, Complaint Management>
+<Shopping Cart Collection, connectedTo, Discount Application>
+<Shopping Cart Collection, connectedTo, Security Tagging>
+<Shopping Cart Collection, returns, Point of Sale System Update>
+<Staff Training, connectedTo, Fitting Room Management>
+<Store Layout Design, connectedTo, Product Demonstration>
+<Store Layout Design, delivers, Customer Checkout>
+<Store Layout Design, stocks, Order Fulfillment>
+<Supplier Coordination, hires, Shopping Cart Collection>
+<Supplier Coordination, partOf, Supplier Coordination>
+<Supply Chain Optimization, connectedTo, Supplier Coordination>
+<Supply Chain Optimization, partOf, Supply Chain Optimization>
+<Vendor Managed Inventory, connectedTo, Customer Loyalty Analytics>
+<Vendor Managed Inventory, partOf, Vendor Managed Inventory>
+<Visual Merchandising, connectedTo, Daily Report Generation>
+<Visual Merchandising, connectedTo, Product Demonstration>
+<Visual Merchandising, connectedTo, Promotion Planning>
diff --git a/train/graphviz/hard/graphviz_144.txt b/train/graphviz/hard/graphviz_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5100d423776f2da94961eeec0ac9ebca7e14b37f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_144.txt
@@ -0,0 +1,32 @@
+<Barcode Scanning, connectedTo, Promotion Planning>
+<E_commerce Platform Integration, connectedTo, Loss Prevention>
+<E_commerce Platform Integration, partOf, E_commerce Platform Integration>
+<Gift Wrapping, connectedTo, Point of Sale System Update>
+<Gift Wrapping, connectedTo, Promotion Planning>
+<Gift Wrapping, connectedTo, Receipt Issuing>
+<Gift Wrapping, connectedTo, Store Layout Design>
+<Inventory Check, arranges, Receipt Issuing>
+<Inventory Check, connectedTo, Promotion Planning>
+<Loss Prevention, connectedTo, Return Handling>
+<Loss Prevention, partOf, Loss Prevention>
+<Loyalty Program Update, connectedTo, Barcode Scanning>
+<Point of Sale System Update, connectedTo, Store Layout Design>
+<Promotion Planning, connectedTo, Warehouse Picking>
+<Receipt Issuing, connectedTo, Loyalty Program Update>
+<Return Handling, connectedTo, E_commerce Platform Integration>
+<Return Handling, connectedTo, Gift Wrapping>
+<Return Handling, connectedTo, Inventory Check>
+<Return Handling, connectedTo, Point of Sale System Update>
+<Return Handling, connectedTo, Store Layout Design>
+<Return Handling, connectedTo, Warehouse Picking>
+<Return Handling, lists, Receipt Issuing>
+<Seasonal Sales Planning, connectedTo, Return Handling>
+<Seasonal Sales Planning, connectedTo, Store Layout Design>
+<Security Tagging, connectedTo, Seasonal Sales Planning>
+<Security Tagging, connectedTo, Store Layout Design>
+<Shelf Restocking, connectedTo, Receipt Issuing>
+<Shelf Restocking, partOf, Shelf Restocking>
+<Shopping Cart Collection, connectedTo, Shelf Restocking>
+<Shopping Cart Collection, partOf, Shopping Cart Collection>
+<Store Layout Design, connectedTo, Inventory Check>
+<Store Layout Design, connectedTo, Shopping Cart Collection>
diff --git a/train/graphviz/hard/graphviz_145.dot b/train/graphviz/hard/graphviz_145.dot
new file mode 100644
index 0000000000000000000000000000000000000000..149c29df5f4d28cb6870ae3e2e360be27ea19ca1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_145.dot
@@ -0,0 +1,76 @@
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diff --git a/train/graphviz/hard/graphviz_148.dot b/train/graphviz/hard/graphviz_148.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a830fd58047174c45c284ccbd76c13ef250e8f34
--- /dev/null
+++ b/train/graphviz/hard/graphviz_148.dot
@@ -0,0 +1,73 @@
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+	N0 -> M2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_148.txt b/train/graphviz/hard/graphviz_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c14d712d65bcc8df144b1590a638ca06762ad5be
--- /dev/null
+++ b/train/graphviz/hard/graphviz_148.txt
@@ -0,0 +1,39 @@
+<Assembly Line Setup, connectedTo, Safety Inspection>
+<Autonomous Driving Software Development, automates, Safety Inspection>
+<Autonomous Driving Software Development, connectedTo, Component Testing>
+<Autonomous Driving Software Development, connectedTo, Recycling of Vehicle Components>
+<Autonomous Driving Software Development, connectedTo, Safety Inspection>
+<Body Shop Repair, connectedTo, Oil Change>
+<Body Shop Repair, partOf, Body Shop Repair>
+<Component Testing, connectedTo, Assembly Line Setup>
+<Customer Test Drive, connectedTo, Maintenance Scheduling>
+<Customer Test Drive, connectedTo, Part Manufacturing>
+<Customer Test Drive, designs, Safety Inspection>
+<Diagnostic Trouble Code Reading, connectedTo, Maintenance Scheduling>
+<Emission Testing, connectedTo, Recycling of Vehicle Components>
+<Emission Testing, partOf, Emission Testing>
+<Maintenance Scheduling, connectedTo, Autonomous Driving Software Development>
+<Oil Change, connectedTo, Emission Testing>
+<Oil Change, partOf, Oil Change>
+<Paint Application, connectedTo, Customer Test Drive>
+<Paint Application, connectedTo, Diagnostic Trouble Code Reading>
+<Paint Application, connectedTo, Part Manufacturing>
+<Paint Application, connectedTo, Safety Inspection>
+<Paint Application, connectedTo, Spare Parts Order>
+<Part Manufacturing, connectedTo, Diagnostic Trouble Code Reading>
+<Part Manufacturing, connectedTo, Maintenance Scheduling>
+<Part Manufacturing, connectedTo, Warranty Activation>
+<Recycling of Vehicle Components, connectedTo, Assembly Line Setup>
+<Recycling of Vehicle Components, connectedTo, Component Testing>
+<Recycling of Vehicle Components, connectedTo, Safety Inspection>
+<Research and Development, connectedTo, Maintenance Scheduling>
+<Research and Development, connectedTo, Paint Application>
+<Research and Development, connectedTo, Part Manufacturing>
+<Software Calibration, connectedTo, Supplier Selection>
+<Software Calibration, partOf, Software Calibration>
+<Spare Parts Order, connectedTo, Body Shop Repair>
+<Spare Parts Order, partOf, Spare Parts Order>
+<Supplier Selection, connectedTo, Diagnostic Trouble Code Reading>
+<Supplier Selection, partOf, Supplier Selection>
+<Warranty Activation, connectedTo, Software Calibration>
+<Warranty Activation, partOf, Warranty Activation>
diff --git a/train/graphviz/hard/graphviz_149.dot b/train/graphviz/hard/graphviz_149.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3983659e54fb5342cda65f174e7ba6240ebd749a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_149.dot
@@ -0,0 +1,56 @@
+digraph {
+	rankdir=BT
+	N0 [label="Autonomous Driving Software Development" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N1 [label="Infotainment System Integration" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N2 [label="Global Supply Chain Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N3 [label="Software Calibration" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N4 [label="Oil Change" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N5 [label="Fluid Level Check" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N6 [label="Safety Inspection" color="#E91E63" fillcolor="#FCE4EC" shape=octagon style=filled]
+	N7 [label="Crash Simulation" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N8 [label="Diagnostic Trouble Code Reading" color="#E91E63" fillcolor="#FCE4EC" shape=folder style=filled]
+	N9 [label="Customer Test Drive" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	S1 [label="" color="#EAEFA5" fillcolor="#FDFCEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#EAEFA5" fillcolor="#FDFCEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Inventory Tracking" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Brake System Check" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+		nest0_1 [label="Recall Management" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Research and Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Quality Assurance" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest1_1 [label="Vehicle Design" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest1_2 [label="Vehicle Registration" color="#EAEFA5" fillcolor="#FDFCEB" shape=folder style=filled]
+		nest1_3 [label="Dealership Sales" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [label=sells color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S1 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N2 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#AED581" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_15.txt b/train/graphviz/hard/graphviz_15.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6bfe23476ef3996f415de6a9e551666d0415eb46
--- /dev/null
+++ b/train/graphviz/hard/graphviz_15.txt
@@ -0,0 +1,34 @@
+<Blood Test, dispenses, Patient Intake>
+<Diagnosis, connectedTo, Lab Test>
+<Diagnosis, partOf, Diagnosis>
+<Emergency Response, connectedTo, Vaccination>
+<Follow_up, connectedTo, Home Care Visit>
+<Follow_up, responds, Medication Dispensing>
+<Health Screening, connectedTo, Triage>
+<Health Screening, partOf, Health Screening>
+<Home Care Visit, connectedTo, Emergency Response>
+<Home Care Visit, connectedTo, Patient Education>
+<Home Care Visit, connectedTo, Telemedicine Consultation>
+<Lab Test, connectedTo, Patient Intake>
+<Lab Test, partOf, Lab Test>
+<Medical History, connectedTo, Home Care Visit>
+<Medical History, connectedTo, Physical Examination>
+<Medication Dispensing, connectedTo, Health Screening>
+<Medication Dispensing, partOf, Medication Dispensing>
+<Mental Health Assessment, connectedTo, Blood Test>
+<Nutritional Counseling, connectedTo, Diagnosis>
+<Nutritional Counseling, partOf, Nutritional Counseling>
+<Patient Intake, connectedTo, Patient Education>
+<Patient Intake, connectedTo, Prescription>
+<Physical Examination, connectedTo, Follow_up>
+<Physical Examination, connectedTo, Home Care Visit>
+<Physical Examination, connectedTo, Patient Education>
+<Physical Examination, notifies, Mental Health Assessment>
+<Prescription, connectedTo, Nutritional Counseling>
+<Prescription, partOf, Prescription>
+<Telemedicine Consultation, connectedTo, Blood Test>
+<Telemedicine Consultation, connectedTo, Emergency Response>
+<Telemedicine Consultation, connectedTo, Patient Intake>
+<Telemedicine Consultation, tests, Triage>
+<Triage, connectedTo, Emergency Response>
+<Vaccination, connectedTo, Mental Health Assessment>
diff --git a/train/graphviz/hard/graphviz_151.dot b/train/graphviz/hard/graphviz_151.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e2e89536befc5befb9147344bee5b5fc0fd8a7d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_151.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=BT
+	N0 [label="Brake System Check" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N1 [label="Emission Testing" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N2 [label="Research and Development" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N3 [label="Robotics in Production" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N4 [label="Customer Test Drive" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N5 [label="Safety Inspection" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N6 [label="Inventory Tracking" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N7 [label="Vehicle Connectivity" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N8 [label="Crash Simulation" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N9 [label="Oil Change" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N10 [label="Quality Assurance" color="#AABEC6" fillcolor="#E0E6E9" shape=plaintext style=filled]
+	N11 [label="Customer Relationship Management" color="#F44336" fillcolor="#FFCDD2" shape=Mdiamond style=filled]
+	N12 [label="Paint Application" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N13 [label="Autonomous Driving Software Development" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N14 [label="Assembly Line Setup" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#AABEC6" fillcolor="#E0E6E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="After_sales Service" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Parts Distribution" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest0_1 [label="Infotainment System Integration" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Vehicle Design" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Recycling of Vehicle Components" color="#9FA9E1" fillcolor="#D6D9F0" shape=octagon style=filled]
+		nest1_1 [label="Spare Parts Order" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=leases color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest1_0 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N2 [label=produces color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S0 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [label=replaces color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N10 -> M2 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_152.dot b/train/graphviz/hard/graphviz_152.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fcfcab778cba195e7813742b04375e6bcf42fb82
--- /dev/null
+++ b/train/graphviz/hard/graphviz_152.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=RL
+	N0 [label="Autonomous Driving Software Development" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Fluid Level Check" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N2 [label="Infotainment System Integration" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N3 [label="Vehicle Registration" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N4 [label="Vehicle Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=Mdiamond style=filled]
+	N5 [label="Global Supply Chain Management" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="Warranty Activation" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N7 [label="Customer Test Drive" color="#4DD0E1" fillcolor="#C9F0F0" shape=diamond style=filled]
+	N8 [label="After_sales Service" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N9 [label="Engine Installation" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N10 [label="Maintenance Scheduling" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N11 [label="Dealership Sales" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N12 [label="Research and Development" color="#26A69A" fillcolor="#E0F2F1" shape=plaintext style=filled]
+	N13 [label="Oil Change" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S0 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Parts Distribution" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Brake System Check" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest0_1 [label="Quality Assurance" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+		nest0_2 [label="Component Testing" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Customer Relationship Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Body Shop Repair" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+		nest1_1 [label="Part Manufacturing" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest1_2 [label="Paint Application" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest1_3 [label="Crash Simulation" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=repairs color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=upgrades color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=replaces color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [label=connects color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest1_0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N4 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=inspects color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_153.txt b/train/graphviz/hard/graphviz_153.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a6809d3c312310412b02e657044430ff699e4987
--- /dev/null
+++ b/train/graphviz/hard/graphviz_153.txt
@@ -0,0 +1,37 @@
+<Aircraft Manufacturing, connectedTo, Aviation Safety Audit>
+<Aircraft Manufacturing, connectedTo, Mission Planning>
+<Astronaut Training, connectedTo, New Material Development>
+<Astronaut Training, connectedTo, Satellite Data Processing>
+<Aviation Safety Audit, connectedTo, Astronaut Training>
+<Component Recovery, connectedTo, Aviation Safety Audit>
+<Component Recovery, connectedTo, Satellite Data Processing>
+<Data Transmission, connectedTo, Extravehicular Activity Planning>
+<Emergency Protocols, assembles, Payload Integration>
+<Emergency Protocols, connectedTo, Data Transmission>
+<Emergency Protocols, connectedTo, Extravehicular Activity Planning>
+<Emergency Protocols, connectedTo, Thermal Shield Testing>
+<Extravehicular Activity Planning, connectedTo, Air Traffic Control Integration>
+<Flight Crew Training, connectedTo, Aviation Safety Audit>
+<Flight Crew Training, connectedTo, Component Recovery>
+<Flight Crew Training, connectedTo, Satellite Data Processing>
+<Flight Simulation, connectedTo, Launch Execution>
+<Flight Simulation, partOf, Flight Simulation>
+<Hypersonic Flight Testing, connectedTo, Spacecraft Telemetry Analysis>
+<Hypersonic Flight Testing, partOf, Hypersonic Flight Testing>
+<Launch Execution, connectedTo, New Material Development>
+<Launch Execution, partOf, Launch Execution>
+<Mission Planning, connectedTo, Flight Crew Training>
+<Mission Planning, connectedTo, Satellite Data Processing>
+<New Material Development, connectedTo, Satellite Data Processing>
+<Payload Integration, connectedTo, Air Traffic Control Integration>
+<Payload Integration, connectedTo, Data Transmission>
+<Payload Integration, connectedTo, Extravehicular Activity Planning>
+<Payload Integration, connectedTo, Flight Simulation>
+<Payload Integration, connectedTo, Thermal Shield Testing>
+<Satellite Data Processing, connectedTo, Emergency Protocols>
+<Spacecraft Telemetry Analysis, connectedTo, Mission Planning>
+<Spacecraft Telemetry Analysis, partOf, Spacecraft Telemetry Analysis>
+<Thermal Shield Testing, connectedTo, Data Transmission>
+<Thermal Shield Testing, connectedTo, Extravehicular Activity Planning>
+<Thermal Shield Testing, connectedTo, Hypersonic Flight Testing>
+<Thermal Shield Testing, forecasts, Air Traffic Control Integration>
diff --git a/train/graphviz/hard/graphviz_158.txt b/train/graphviz/hard/graphviz_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0306358be2aad93921a51a87d7fb15e178e90db8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_158.txt
@@ -0,0 +1,29 @@
+<Air Traffic Control Integration, connectedTo, Structural Analysis>
+<Aircraft Manufacturing, connectedTo, Spacecraft Telemetry Analysis>
+<Astronaut Training, connectedTo, Air Traffic Control Integration>
+<Astronaut Training, connectedTo, Orbit Adjustment>
+<Astronaut Training, connectedTo, Structural Analysis>
+<Component Recovery, connectedTo, Fueling Procedure>
+<Component Recovery, partOf, Component Recovery>
+<Data Transmission, connectedTo, Launch Window Calculation>
+<Data Transmission, partOf, Data Transmission>
+<Engine Overhaul, assembles, Spacecraft Telemetry Analysis>
+<Engine Overhaul, connectedTo, Extravehicular Activity Planning>
+<Engine Overhaul, connectedTo, Structural Analysis>
+<Engine Overhaul, connectedTo, System Reboot>
+<Extravehicular Activity Planning, connectedTo, Hypersonic Flight Testing>
+<Flight Crew Training, connectedTo, Component Recovery>
+<Flight Crew Training, partOf, Flight Crew Training>
+<Fueling Procedure, connectedTo, New Material Development>
+<Fueling Procedure, partOf, Fueling Procedure>
+<Hypersonic Flight Testing, connectedTo, Data Transmission>
+<Hypersonic Flight Testing, connectedTo, System Reboot>
+<Launch Window Calculation, connectedTo, Astronaut Training>
+<Launch Window Calculation, partOf, Launch Window Calculation>
+<New Material Development, connectedTo, Extravehicular Activity Planning>
+<New Material Development, partOf, New Material Development>
+<Spacecraft Telemetry Analysis, optimizes, Data Transmission>
+<Spacecraft Telemetry Analysis, tests, Engine Overhaul>
+<Structural Analysis, connectedTo, Flight Crew Training>
+<Structural Analysis, connectedTo, Orbit Adjustment>
+<System Reboot, connectedTo, Astronaut Training>
diff --git a/train/graphviz/hard/graphviz_159.txt b/train/graphviz/hard/graphviz_159.txt
new file mode 100644
index 0000000000000000000000000000000000000000..296d7b590181d9d383b30e7cb871b1ed43a0dc54
--- /dev/null
+++ b/train/graphviz/hard/graphviz_159.txt
@@ -0,0 +1,41 @@
+<Aircraft Maintenance Log, connectedTo, Aviation Safety Audit>
+<Aircraft Maintenance Log, connectedTo, Extravehicular Activity Planning>
+<Airframe Assembly, connectedTo, Emergency Protocols>
+<Astronaut Training, connectedTo, Runway Inspection>
+<Astronaut Training, partOf, Astronaut Training>
+<Aviation Safety Audit, connectedTo, Mission Planning>
+<Aviation Safety Audit, connectedTo, Propulsion Testing>
+<Engine Overhaul, connectedTo, Airframe Assembly>
+<Extravehicular Activity Planning, connectedTo, Aviation Safety Audit>
+<Extravehicular Activity Planning, connectedTo, Propulsion Testing>
+<Flight Crew Training, connectedTo, Payload Integration>
+<Flight Crew Training, partOf, Flight Crew Training>
+<International Space Station Resupply, connectedTo, System Reboot>
+<Launch Execution, connectedTo, Space Debris Tracking>
+<Launch Execution, partOf, Launch Execution>
+<Launch Window Calculation, connectedTo, Spacecraft Telemetry Analysis>
+<Launch Window Calculation, partOf, Launch Window Calculation>
+<Mission Debriefing, connectedTo, Engine Overhaul>
+<Mission Debriefing, connectedTo, Flight Crew Training>
+<Mission Planning, connectedTo, Propulsion Testing>
+<New Material Development, connectedTo, Satellite Data Processing>
+<Payload Integration, connectedTo, Launch Execution>
+<Payload Integration, partOf, Payload Integration>
+<Propulsion Testing, connectedTo, International Space Station Resupply>
+<Propulsion Testing, connectedTo, Launch Window Calculation>
+<Runway Inspection, connectedTo, Mission Planning>
+<Runway Inspection, partOf, Runway Inspection>
+<Satellite Data Processing, connectedTo, Airframe Assembly>
+<Satellite Data Processing, connectedTo, Emergency Protocols>
+<Satellite Data Processing, connectedTo, Engine Overhaul>
+<Satellite Data Processing, connectedTo, Mission Debriefing>
+<Space Debris Tracking, connectedTo, New Material Development>
+<Space Debris Tracking, partOf, Space Debris Tracking>
+<Spacecraft Telemetry Analysis, connectedTo, Astronaut Training>
+<Spacecraft Telemetry Analysis, partOf, Spacecraft Telemetry Analysis>
+<Structural Analysis, connectedTo, Aircraft Maintenance Log>
+<Structural Analysis, connectedTo, Aviation Safety Audit>
+<Structural Analysis, connectedTo, Engine Overhaul>
+<Structural Analysis, connectedTo, Propulsion Testing>
+<Structural Analysis, researches, Aviation Safety Audit>
+<System Reboot, connectedTo, New Material Development>
diff --git a/train/graphviz/hard/graphviz_16.txt b/train/graphviz/hard/graphviz_16.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df72e78e18d7f14a87ca75eeba816962874fb224
--- /dev/null
+++ b/train/graphviz/hard/graphviz_16.txt
@@ -0,0 +1,40 @@
+<Anesthesia Administration, connectedTo, Blood Test>
+<Anesthesia Administration, connectedTo, Diagnosis>
+<Biopsy, connectedTo, Surgery>
+<Biopsy, partOf, Biopsy>
+<Blood Test, connectedTo, Pharmacy Order>
+<Case Review, connectedTo, Blood Test>
+<Case Review, connectedTo, Nutritional Counseling>
+<Case Review, connectedTo, Prescription>
+<Dental Check_up, connectedTo, Insurance Claim>
+<Dental Check_up, partOf, Dental Check_up>
+<Diagnosis, connectedTo, Blood Test>
+<Diagnosis, connectedTo, Patient Education>
+<Discharge, connectedTo, Medical Record Keeping>
+<Discharge, connectedTo, Nutritional Counseling>
+<Discharge, connectedTo, Referral>
+<Epidemiological Tracking, connectedTo, Case Review>
+<Home Care Visit, connectedTo, Biopsy>
+<Home Care Visit, partOf, Home Care Visit>
+<Medical Record Keeping, connectedTo, Home Care Visit>
+<Medical Record Keeping, partOf, Medical Record Keeping>
+<Nutritional Counseling, connectedTo, Wound Care>
+<Patient Education, connectedTo, Symptom Monitoring>
+<Patient Intake, connectedTo, Dental Check_up>
+<Patient Intake, partOf, Patient Intake>
+<Pharmacy Order, connectedTo, Discharge>
+<Physical Examination, connectedTo, Blood Test>
+<Physical Examination, connectedTo, Wound Care>
+<Prescription, connectedTo, Nutritional Counseling>
+<Prescription, connectedTo, Treatment Plan>
+<Referral, connectedTo, Nutritional Counseling>
+<Rehabilitation Therapy, connectedTo, Insurance Claim>
+<Surgery, connectedTo, Patient Intake>
+<Surgery, connectedTo, Wound Care>
+<Surgery, manages, Physical Examination>
+<Symptom Monitoring, updates, Surgery>
+<Treatment Plan, connectedTo, Anesthesia Administration>
+<Treatment Plan, connectedTo, Blood Test>
+<Treatment Plan, connectedTo, Pharmacy Order>
+<Treatment Plan, connectedTo, Surgery>
+<Wound Care, connectedTo, Rehabilitation Therapy>
diff --git a/train/graphviz/hard/graphviz_161.dot b/train/graphviz/hard/graphviz_161.dot
new file mode 100644
index 0000000000000000000000000000000000000000..788758d9dced6751312323553a51049bca38c8b3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_161.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=TD
+	N0 [label="Catastrophe Modeling" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N1 [label="Payment Processing" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+	N2 [label="Compliance Reporting" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N3 [label="Healthcare Provider Network Management" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N4 [label=Subrogation color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N5 [label="Actuarial Analysis" color="#00BCD4" fillcolor="#B2EBF2" shape=folder style=filled]
+	N6 [label="Agent Training" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N7 [label="Loss Prevention" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N8 [label="Claim Submission" color="#92C79A" fillcolor="#E8F0EA" shape=diamond style=filled]
+	N9 [label="Customer Onboarding" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N10 [label="Reinsurance Negotiation" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N11 [label="Business Interruption Coverage" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N12 [label="Policy Cancellation" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	S0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Broker Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Premium Calculation" color="#00BCD4" fillcolor="#B2EBF2" shape=octagon style=filled]
+		nest0_1 [label="Claim Adjustment" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest0_2 [label="Life Insurance Underwriting" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+		nest0_3 [label="Annuity Sales" color="#00BCD4" fillcolor="#B2EBF2" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Risk Assessment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Customer Support" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest1_1 [label=Underwriting color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+		nest1_2 [label="Investment Management for Reserves" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest1_3 [label="Policy Renewal" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
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+	N2 -> N3 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [label=analyzes color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=reviews color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N6 [label=distributes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest1_0 [label=assesses color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [label=mitigates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [label=rejects color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [label=sells color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_162.dot b/train/graphviz/hard/graphviz_162.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fd0f341a7e3e307cf47275b3382b1d6633a2f6fd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_162.dot
@@ -0,0 +1,75 @@
+digraph {
+	rankdir=BT
+	N0 [label="Investment Management for Reserves" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N1 [label="Policy Issuance" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="Market Research" color="#FFC107" fillcolor="#FFECB3" shape=plaintext style=filled]
+	N3 [label="Risk Assessment" color="#81C784" fillcolor="#F1F8E9" shape=Mdiamond style=filled]
+	N4 [label=Subrogation color="#FFC107" fillcolor="#FFECB3" shape=ellipse style=filled]
+	N5 [label="Broker Management" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N6 [label="Property Damage Assessment" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N7 [label="Cyber Insurance Policy" color="#FFC107" fillcolor="#FFECB3" shape=parallelogram style=filled]
+	N8 [label="Catastrophe Modeling" color="#2196F3" fillcolor="#BBDEFB" shape=octagon style=filled]
+	N9 [label="Legal Review of Claims" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N10 [label="Compliance Reporting" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N11 [label="Policy Cancellation" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+	N12 [label="Claims Litigation Management" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M2 [label="" color="#2196F3" fillcolor="#BBDEFB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Customer Support" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+		nest0_1 [label=Underwriting color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest0_2 [label="Fraud Investigation" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+		nest0_3 [label="Customer Communication" color="#FFC107" fillcolor="#FFECB3" shape=oval style=filled]
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+		nest0_1 -> nest0_2 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Premium Calculation" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+		nest1_1 [label="Coverage Review" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	}
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+	N8 -> N9 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest0_0 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest1_0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N8 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N2 -> S2 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	S2 -> N4 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M0 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N5 -> M2 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_165.txt b/train/graphviz/hard/graphviz_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fc632060e9bf3e95e9dc5ef26e24d87fe19af80f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_165.txt
@@ -0,0 +1,33 @@
+<Actuarial Analysis, connectedTo, Claim Adjustment>
+<Agent Training, approves, Loss Prevention>
+<Agent Training, connectedTo, Actuarial Analysis>
+<Agent Training, connectedTo, Catastrophe Modeling>
+<Agent Training, educates, Claim Adjustment>
+<Auto Accident Claims, connectedTo, Customer Support>
+<Auto Accident Claims, partOf, Auto Accident Claims>
+<Broker Management, connectedTo, Actuarial Analysis>
+<Broker Management, connectedTo, Agent Training>
+<Broker Management, connectedTo, Catastrophe Modeling>
+<Broker Management, connectedTo, Investment Management for Reserves>
+<Broker Management, markets, Property Damage Assessment>
+<Business Interruption Coverage, connectedTo, Market Research>
+<Business Interruption Coverage, partOf, Business Interruption Coverage>
+<Catastrophe Modeling, connectedTo, Customer Communication>
+<Claim Adjustment, connectedTo, Loss Prevention>
+<Customer Communication, connectedTo, Product Development>
+<Customer Support, connectedTo, Claim Adjustment>
+<Customer Support, partOf, Customer Support>
+<Data Security, connectedTo, Agent Training>
+<Data Security, connectedTo, Business Interruption Coverage>
+<Digital Policy Management, connectedTo, Investment Management for Reserves>
+<Digital Policy Management, forecasts, Broker Management>
+<Fraud Investigation, connectedTo, Investment Management for Reserves>
+<Investment Management for Reserves, connectedTo, Auto Accident Claims>
+<Investment Management for Reserves, connectedTo, Data Security>
+<Loss Prevention, connectedTo, Catastrophe Modeling>
+<Market Research, connectedTo, Claim Adjustment>
+<Market Research, partOf, Market Research>
+<Property Damage Assessment, connectedTo, Catastrophe Modeling>
+<Property Damage Assessment, connectedTo, Fraud Investigation>
+<Property Damage Assessment, connectedTo, Investment Management for Reserves>
+<Property Damage Assessment, connectedTo, Product Development>
diff --git a/train/graphviz/hard/graphviz_167.txt b/train/graphviz/hard/graphviz_167.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5af27f0b22493ef6f5f11720aacbccd241673de9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_167.txt
@@ -0,0 +1,42 @@
+<Benefit Payout, connectedTo, Legal Review of Claims>
+<Broker Management, connectedTo, Subrogation>
+<Claim Adjustment, connectedTo, Policy Application>
+<Claim Adjustment, partOf, Claim Adjustment>
+<Claims Litigation Management, connectedTo, Benefit Payout>
+<Claims Litigation Management, partOf, Claims Litigation Management>
+<Compliance Reporting, analyzes, Third_Party Administrator Liaison>
+<Compliance Reporting, connectedTo, Coverage Review>
+<Compliance Reporting, connectedTo, Fraud Investigation>
+<Compliance Reporting, connectedTo, Loss Prevention>
+<Compliance Reporting, renews, Customer Communication>
+<Coverage Review, sells, Underwriting>
+<Customer Communication, connectedTo, Policy Issuance>
+<Customer Onboarding, connectedTo, Digital Policy Management>
+<Customer Onboarding, connectedTo, Policy Cancellation>
+<Cyber Insurance Policy, connectedTo, Benefit Payout>
+<Data Security, connectedTo, Policy Issuance>
+<Data Security, partOf, Data Security>
+<Digital Policy Management, policies, Customer Communication>
+<Fraud Investigation, connectedTo, Cyber Insurance Policy>
+<Life Insurance Underwriting, connectedTo, Data Security>
+<Life Insurance Underwriting, partOf, Life Insurance Underwriting>
+<Loss Prevention, connectedTo, Cyber Insurance Policy>
+<Loss Prevention, connectedTo, Fraud Investigation>
+<Loss Prevention, connectedTo, Legal Review of Claims>
+<Loss Prevention, connectedTo, Policy Cancellation>
+<Payment Processing, connectedTo, Claim Adjustment>
+<Payment Processing, connectedTo, Life Insurance Underwriting>
+<Payment Processing, connectedTo, Telematics Data Analysis>
+<Policy Application, connectedTo, Claims Litigation Management>
+<Policy Application, partOf, Policy Application>
+<Policy Cancellation, connectedTo, Fraud Investigation>
+<Policy Issuance, connectedTo, Loss Prevention>
+<Policy Issuance, connectedTo, Policy Cancellation>
+<Policy Renewal, connectedTo, Broker Management>
+<Policy Renewal, connectedTo, Policy Cancellation>
+<Reinsurance Negotiation, connectedTo, Customer Communication>
+<Reinsurance Negotiation, connectedTo, Payment Processing>
+<Subrogation, connectedTo, Reinsurance Negotiation>
+<Telematics Data Analysis, connectedTo, Compliance Reporting>
+<Third_Party Administrator Liaison, connectedTo, Customer Onboarding>
+<Underwriting, connectedTo, Third_Party Administrator Liaison>
diff --git a/train/graphviz/hard/graphviz_168.dot b/train/graphviz/hard/graphviz_168.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b4b458e919adee1e22f839b8faf00ebe08950a7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_168.dot
@@ -0,0 +1,61 @@
+digraph {
+	rankdir=RL
+	N0 [label="Broker Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N1 [label="Telematics Data Analysis" color="#B0C5CD" fillcolor="#DFE7EB" shape=Mdiamond style=filled]
+	N2 [label="Customer Communication" color="#D3EB9F" fillcolor="#F8FDD3" shape=oval style=filled]
+	N3 [label="Claim Adjustment" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N4 [label="Third_Party Administrator Liaison" color="#4DD0E1" fillcolor="#C9F0F0" shape=folder style=filled]
+	N5 [label="Digital Policy Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N6 [label="Benefit Payout" color="#D3EB9F" fillcolor="#F8FDD3" shape=octagon style=filled]
+	N7 [label="Payment Processing" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N8 [label="Premium Calculation" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	S0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Annuity Sales" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest0_1 [label="Policy Issuance" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+		nest0_2 [label="Reinsurance Negotiation" color="#4DD0E1" fillcolor="#C9F0F0" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [label=automates color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Claim Submission" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Life Insurance Underwriting" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+		nest1_1 [label="Product Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=folder style=filled]
+		nest1_2 [label="Healthcare Provider Network Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=oval style=filled]
+		nest1_3 [label="Loss Prevention" color="#B0C5CD" fillcolor="#DFE7EB" shape=octagon style=filled]
+		nest1_0 -> nest1_1 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [label=audits color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N5 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest1_0 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N7 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_17.txt b/train/graphviz/hard/graphviz_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..68c98a09b5d1d82ca2986c3e8503afe77cb061fd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_17.txt
@@ -0,0 +1,45 @@
+<Automated Guided Vehicle Operation, connectedTo, Painting>
+<Automated Guided Vehicle Operation, partOf, Automated Guided Vehicle Operation>
+<Bills of Material Generation, connectedTo, Ergonomics Assessment>
+<Bills of Material Generation, connectedTo, Workflow Optimization>
+<Bills of Material Generation, maintains, Work_in_Progress Monitoring>
+<Defect Analysis, connectedTo, Predictive Maintenance>
+<Defect Analysis, connectedTo, Workflow Optimization>
+<Environmental Compliance, assembles, Bills of Material Generation>
+<Environmental Compliance, optimizes, Workflow Optimization>
+<Ergonomics Assessment, connectedTo, Final Testing>
+<Ergonomics Assessment, connectedTo, Maintenance>
+<Final Testing, connectedTo, Parts Replacement>
+<Final Testing, partOf, Final Testing>
+<Machine Calibration, connectedTo, Procurement>
+<Machine Calibration, partOf, Machine Calibration>
+<Painting, connectedTo, Workflow Optimization>
+<Painting, partOf, Painting>
+<Parts Replacement, connectedTo, Tool Setup>
+<Parts Replacement, partOf, Parts Replacement>
+<Predictive Maintenance, connectedTo, Product Design>
+<Procurement, connectedTo, Automated Guided Vehicle Operation>
+<Procurement, partOf, Procurement>
+<Product Design, connectedTo, Environmental Compliance>
+<Product Design, connectedTo, Welding>
+<Quality Control, connectedTo, Storage>
+<Quality Control, connectedTo, Workflow Optimization>
+<Robotics Integration, connectedTo, Machine Calibration>
+<Robotics Integration, connectedTo, Shipping>
+<Shipping, connectedTo, Bills of Material Generation>
+<Shipping, connectedTo, Environmental Compliance>
+<Shipping, connectedTo, Maintenance>
+<Shipping, connectedTo, Workflow Optimization>
+<Storage, connectedTo, Environmental Compliance>
+<Storage, connectedTo, Yield Optimization>
+<Supply Chain Synchronization, connectedTo, Defect Analysis>
+<Tool Path Generation, connectedTo, Product Design>
+<Tool Path Generation, partOf, Tool Path Generation>
+<Tool Setup, connectedTo, Tool Path Generation>
+<Tool Setup, partOf, Tool Setup>
+<Welding, designs, Quality Control>
+<Work_in_Progress Monitoring, connectedTo, Workflow Optimization>
+<Workflow Optimization, audits, Ergonomics Assessment>
+<Yield Optimization, connectedTo, Environmental Compliance>
+<Yield Optimization, connectedTo, Robotics Integration>
+<Yield Optimization, fabricates, Workflow Optimization>
diff --git a/train/graphviz/hard/graphviz_170.dot b/train/graphviz/hard/graphviz_170.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ce2ec30df9b353faeecd2ac08cc2faacf8036ff6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_170.dot
@@ -0,0 +1,75 @@
+digraph {
+	rankdir=TD
+	N0 [label="Security Awareness Training" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Intrusion Prevention" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
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+	N3 [label="Zero Trust Architecture" color="#81C784" fillcolor="#F1F8E9" shape=folder style=filled]
+	N4 [label="Web Application Firewall Deployment" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N5 [label="Data Encryption" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N6 [label="Backup and Recovery" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N7 [label="Access Control" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
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+	N9 [label="Penetration Testing" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N10 [label="Identity Management" color="#3F51B5" fillcolor="#C5CAE9" shape=octagon style=filled]
+	N11 [label="Threat Intelligence Gathering" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N12 [label="Supply Chain Security" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N13 [label="Security Operations Center Monitoring" color="#CB9BE1" fillcolor="#F2E6F5" shape=oval style=filled]
+	N14 [label="Cloud Security" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N15 [label="Digital Forensics" color="#CB9BE1" fillcolor="#F2E6F5" shape=diamond style=filled]
+	N16 [label="Phishing Simulation" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph cluster_Group0 {
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+		nest0_1 [label="Incident Response" color="#3F51B5" fillcolor="#C5CAE9" shape=plaintext style=filled]
+		nest0_2 [label="Disaster Recovery Planning" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="Malware Analysis" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest1_1 [label="Security Policy Development" color="#CB9BE1" fillcolor="#F2E6F5" shape=plaintext style=filled]
+		nest1_2 [label="Dark Web Monitoring" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
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+	nest1_2 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S0 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S1 [color="#CB9BE1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [label=recovers color="#CB9BE1" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
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+	N3 -> M1 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	M1 -> N15 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_170.txt b/train/graphviz/hard/graphviz_170.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec39033cb5bcca9e6aacf26982d2ec647edb175a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_170.txt
@@ -0,0 +1,39 @@
+<Access Control, connectedTo, Compliance Monitoring>
+<Access Control, connectedTo, Security Operations Center Monitoring>
+<Access Control, recovers, Supply Chain Security>
+<Backup and Recovery, connectedTo, Access Control>
+<Backup and Recovery, connectedTo, Digital Forensics>
+<Backup and Recovery, connectedTo, Phishing Simulation>
+<Cloud Security, connectedTo, Digital Forensics>
+<Compliance Monitoring, connectedTo, Penetration Testing>
+<Dark Web Monitoring, connectedTo, Phishing Simulation>
+<Dark Web Monitoring, partOf, Dark Web Monitoring>
+<Data Encryption, connectedTo, Backup and Recovery>
+<Data Encryption, connectedTo, Digital Forensics>
+<Data Encryption, connectedTo, Security Information and Event Management>
+<Digital Forensics, connectedTo, Phishing Simulation>
+<Disaster Recovery Planning, connectedTo, Threat Intelligence Gathering>
+<Disaster Recovery Planning, partOf, Disaster Recovery Planning>
+<Identity Management, connectedTo, Threat Intelligence Gathering>
+<Incident Response, connectedTo, Disaster Recovery Planning>
+<Incident Response, partOf, Incident Response>
+<Intrusion Prevention, connectedTo, Backup and Recovery>
+<Intrusion Prevention, connectedTo, Vulnerability Assessment>
+<Malware Analysis, connectedTo, Security Policy Development>
+<Malware Analysis, partOf, Malware Analysis>
+<Penetration Testing, connectedTo, Identity Management>
+<Security Awareness Training, connectedTo, Intrusion Prevention>
+<Security Information and Event Management, connectedTo, Incident Response>
+<Security Information and Event Management, partOf, Security Information and Event Management>
+<Security Operations Center Monitoring, connectedTo, Cloud Security>
+<Security Policy Development, connectedTo, Dark Web Monitoring>
+<Security Policy Development, partOf, Security Policy Development>
+<Supply Chain Security, connectedTo, Malware Analysis>
+<Supply Chain Security, connectedTo, Security Operations Center Monitoring>
+<Threat Intelligence Gathering, connectedTo, Supply Chain Security>
+<Vulnerability Assessment, connectedTo, Backup and Recovery>
+<Vulnerability Assessment, connectedTo, Zero Trust Architecture>
+<Web Application Firewall Deployment, connectedTo, Data Encryption>
+<Zero Trust Architecture, connectedTo, Backup and Recovery>
+<Zero Trust Architecture, connectedTo, Digital Forensics>
+<Zero Trust Architecture, connectedTo, Web Application Firewall Deployment>
diff --git a/train/graphviz/hard/graphviz_171.dot b/train/graphviz/hard/graphviz_171.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b54008e5e6ae132d1e94c794cbd47d1b81fd350b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_171.dot
@@ -0,0 +1,81 @@
+digraph {
+	rankdir=TD
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+	N6 [label="Cryptography Implementation" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N7 [label="Cloud Security" color="#6FE1D5" fillcolor="#C9EFEC" shape=folder style=filled]
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+	N15 [label="Mobile Security" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
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+		nest1_2 [label="Penetration Testing" color="#8C9EFF" fillcolor="#D3D7EB" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
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+	N3 -> N4 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=vulnerabilities color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
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+	N14 -> N15 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N16 -> N17 [label=patches color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N17 -> N18 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N12 -> S1 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N15 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [label=consults color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [label=detects color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N7 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_172.dot b/train/graphviz/hard/graphviz_172.dot
new file mode 100644
index 0000000000000000000000000000000000000000..195de05f889117dab082697006c6bd5e6f91f764
--- /dev/null
+++ b/train/graphviz/hard/graphviz_172.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=LR
+	N0 [label="Cryptography Implementation" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
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+	N9 [label="Security Patch Management" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
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+	S2 -> N8 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_172.txt b/train/graphviz/hard/graphviz_172.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7875e2cb515387987602629896d99c48a5a5e288
--- /dev/null
+++ b/train/graphviz/hard/graphviz_172.txt
@@ -0,0 +1,27 @@
+<Cloud Security, connectedTo, Security Audit>
+<Cryptography Implementation, connectedTo, Security Operations Center Monitoring>
+<Cryptography Implementation, connectedTo, Threat Detection>
+<Dark Web Monitoring, connectedTo, Identity Management>
+<Dark Web Monitoring, partOf, Dark Web Monitoring>
+<Disaster Recovery Planning, connectedTo, Risk Management Framework>
+<Disaster Recovery Planning, partOf, Disaster Recovery Planning>
+<Identity Management, connectedTo, Penetration Testing>
+<Identity Management, partOf, Identity Management>
+<Intrusion Prevention, blocks, Threat Detection>
+<Penetration Testing, connectedTo, Cloud Security>
+<Penetration Testing, connectedTo, Security Audit>
+<Penetration Testing, connectedTo, Security Patch Management>
+<Phishing Simulation, connectedTo, Physical Security Integration>
+<Physical Security Integration, updates, Penetration Testing>
+<Risk Management Framework, connectedTo, Physical Security Integration>
+<Risk Management Framework, partOf, Risk Management Framework>
+<Security Audit, connectedTo, Disaster Recovery Planning>
+<Security Audit, connectedTo, Security Patch Management>
+<Security Audit, connectedTo, Supply Chain Security>
+<Security Operations Center Monitoring, connectedTo, Threat Detection>
+<Security Operations Center Monitoring, integrates, Intrusion Prevention>
+<Supply Chain Security, partOf, Supply Chain Security>
+<Supply Chain Security, patches, Dark Web Monitoring>
+<Threat Detection, connectedTo, Cloud Security>
+<Threat Detection, connectedTo, Phishing Simulation>
+<Threat Detection, connectedTo, Physical Security Integration>
diff --git a/train/graphviz/hard/graphviz_179.dot b/train/graphviz/hard/graphviz_179.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fc351fcc4f7169c5eda5a585d4a8578876175bf3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_179.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=RL
+	N0 [label="Thermostat Adjustment" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
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+	N3 [label="Sound System Integration" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N4 [label="Water Heater Control" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_179.txt b/train/graphviz/hard/graphviz_179.txt
new file mode 100644
index 0000000000000000000000000000000000000000..45129fc940abe8c689cd183939930be14b6db8b2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_179.txt
@@ -0,0 +1,36 @@
+<App Control, connectedTo, Firmware Update>
+<App Control, connectedTo, Smart Appliance Control>
+<Automated Vacuum Cleaning, connectedTo, Irrigation System Control>
+<Automated Vacuum Cleaning, connectedTo, Voice Command>
+<Automated Vacuum Cleaning, connectedTo, Window Sensor Monitoring>
+<Child Monitoring, connectedTo, App Control>
+<Child Monitoring, partOf, Child Monitoring>
+<Device Pairing, connectedTo, Smart Mirror Functionality>
+<Emergency Service Connection, connectedTo, Lighting Automation>
+<Emergency Service Connection, partOf, Emergency Service Connection>
+<Energy Consumption Optimization, connectedTo, Sound System Integration>
+<Energy Consumption Optimization, connectedTo, Window Sensor Monitoring>
+<Firmware Update, connectedTo, Automated Vacuum Cleaning>
+<Firmware Update, connectedTo, Irrigation System Control>
+<Firmware Update, connectedTo, Voice Command>
+<Firmware Update, connectedTo, Window Sensor Monitoring>
+<Guest Access Management, connectedTo, Water Heater Control>
+<Guest Access Management, partOf, Guest Access Management>
+<Home Security System Activation, heats, Guest Access Management>
+<Home Security System Activation, partOf, Home Security System Activation>
+<Lighting Automation, connectedTo, Child Monitoring>
+<Lighting Automation, partOf, Lighting Automation>
+<Motion Detection, connectedTo, Energy Consumption Optimization>
+<Smart Appliance Control, connectedTo, Home Security System Activation>
+<Smart Appliance Control, partOf, Smart Appliance Control>
+<Smart Mirror Functionality, connectedTo, Automated Vacuum Cleaning>
+<Smart Mirror Functionality, connectedTo, Firmware Update>
+<Smart Mirror Functionality, connectedTo, Smoke Alarm Integration>
+<Smoke Alarm Integration, connectedTo, App Control>
+<Sound System Integration, connectedTo, Emergency Service Connection>
+<Sound System Integration, connectedTo, Window Sensor Monitoring>
+<Sound System Integration, measures, Water Heater Control>
+<Thermostat Adjustment, connectedTo, Motion Detection>
+<Voice Command, connectedTo, Window Sensor Monitoring>
+<Water Heater Control, connectedTo, Device Pairing>
+<Window Sensor Monitoring, connectedTo, Irrigation System Control>
diff --git a/train/graphviz/hard/graphviz_180.txt b/train/graphviz/hard/graphviz_180.txt
new file mode 100644
index 0000000000000000000000000000000000000000..db92f50cdded28104eab23544773565922b5577c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_180.txt
@@ -0,0 +1,40 @@
+<Air Quality Monitoring, connectedTo, Motion Detection>
+<Automated Vacuum Cleaning, heats, Scene Creation>
+<Device Pairing, connectedTo, Irrigation System Control>
+<Door Lock Management, adapts, Device Pairing>
+<Door Lock Management, locks, Garage Door Control>
+<Doorbell Camera Alert, connectedTo, Automated Vacuum Cleaning>
+<Doorbell Camera Alert, connectedTo, Firmware Update>
+<Doorbell Camera Alert, connectedTo, Home Security System Activation>
+<Energy Monitoring, connectedTo, Firmware Update>
+<Firmware Update, connectedTo, Door Lock Management>
+<Firmware Update, connectedTo, Smart Appliance Control>
+<Garage Door Control, connectedTo, Power Outage Notification>
+<Garage Door Control, partOf, Garage Door Control>
+<Geofencing Trigger, connectedTo, Pet Feeder Automation>
+<Geofencing Trigger, partOf, Geofencing Trigger>
+<Home Security System Activation, connectedTo, Automated Vacuum Cleaning>
+<Home Security System Activation, connectedTo, Lighting Automation>
+<Irrigation System Control, connectedTo, Centralized Hub Configuration>
+<Lighting Automation, automates, Air Quality Monitoring>
+<Lighting Automation, connectedTo, Automated Vacuum Cleaning>
+<Lighting Automation, connectedTo, Firmware Update>
+<Lighting Automation, connectedTo, Remote Control>
+<Lighting Automation, connectedTo, Routine Scheduling>
+<Motion Detection, connectedTo, Energy Monitoring>
+<Pet Feeder Automation, connectedTo, Centralized Hub Configuration>
+<Pet Feeder Automation, partOf, Pet Feeder Automation>
+<Power Outage Notification, connectedTo, Firmware Update>
+<Power Outage Notification, partOf, Power Outage Notification>
+<Remote Control, connectedTo, Automated Vacuum Cleaning>
+<Routine Scheduling, connectedTo, Video Surveillance>
+<Scene Creation, connectedTo, Firmware Update>
+<Scene Creation, connectedTo, Routine Scheduling>
+<Smart Appliance Control, measures, Geofencing Trigger>
+<Smart Appliance Control, partOf, Smart Appliance Control>
+<Smart Mirror Functionality, connectedTo, Air Quality Monitoring>
+<Video Surveillance, connectedTo, Device Pairing>
+<Video Surveillance, connectedTo, Door Lock Management>
+<Video Surveillance, connectedTo, Firmware Update>
+<Video Surveillance, connectedTo, Motion Detection>
+<Video Surveillance, connectedTo, Smart Mirror Functionality>
diff --git a/train/graphviz/hard/graphviz_182.txt b/train/graphviz/hard/graphviz_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b2317b4ae51322ccc7d0b8f3d3d180d1e09c0acd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_182.txt
@@ -0,0 +1,32 @@
+<Centralized Hub Configuration, connectedTo, Guest Access Management>
+<Centralized Hub Configuration, connectedTo, Leak Detection>
+<Centralized Hub Configuration, connectedTo, Motion Detection>
+<Centralized Hub Configuration, connectedTo, Personalized Comfort Settings>
+<Centralized Hub Configuration, connectedTo, Sound System Integration>
+<Centralized Hub Configuration, connectedTo, Voice Command>
+<Device Pairing, partOf, Device Pairing>
+<Device Pairing, warns, Firmware Update>
+<Door Lock Management, connectedTo, Smart Mirror Functionality>
+<Door Lock Management, partOf, Door Lock Management>
+<Energy Consumption Optimization, connectedTo, Device Pairing>
+<Energy Consumption Optimization, connectedTo, Thermostat Adjustment>
+<Firmware Update, connectedTo, Sound System Integration>
+<Firmware Update, partOf, Firmware Update>
+<Garage Door Control, connectedTo, Door Lock Management>
+<Garage Door Control, partOf, Garage Door Control>
+<Guest Access Management, connectedTo, Sound System Integration>
+<Guest Access Management, connectedTo, Voice Command>
+<Guest Access Management, conserves, Smoke Alarm Integration>
+<Leak Detection, connectedTo, Guest Access Management>
+<Leak Detection, connectedTo, Personalized Comfort Settings>
+<Motion Detection, connectedTo, Garage Door Control>
+<Motion Detection, partOf, Motion Detection>
+<Personalized Comfort Settings, connectedTo, Energy Consumption Optimization>
+<Pet Feeder Automation, connectedTo, Guest Access Management>
+<Remote Control, connectedTo, Centralized Hub Configuration>
+<Remote Control, programs, Personalized Comfort Settings>
+<Smart Mirror Functionality, connectedTo, Pet Feeder Automation>
+<Smart Mirror Functionality, partOf, Smart Mirror Functionality>
+<Sound System Integration, connectedTo, Voice Command>
+<Thermostat Adjustment, connectedTo, Pet Feeder Automation>
+<Voice Command, connectedTo, Smoke Alarm Integration>
diff --git a/train/graphviz/hard/graphviz_185.txt b/train/graphviz/hard/graphviz_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ecfc61832b0890c6d72137717820fbf63bffdba
--- /dev/null
+++ b/train/graphviz/hard/graphviz_185.txt
@@ -0,0 +1,30 @@
+<City_wide Sensor Network Deployment, connectedTo, Environmental Sensor Network>
+<Crowd Management, connectedTo, Data Privacy Protection>
+<Crowd Management, connectedTo, Public Health Monitoring>
+<Data Privacy Protection, connectedTo, City_wide Sensor Network Deployment>
+<Digital Twins of City, connectedTo, Crowd Management>
+<E_governance Services, connectedTo, Smart Parking>
+<E_governance Services, connectedTo, Waste Management Optimization>
+<E_governance Services, partOf, E_governance Services>
+<Emergency Response System, connectedTo, Digital Twins of City>
+<Emergency Response System, connectedTo, Smart Education Initiatives>
+<Public Health Monitoring, connectedTo, E_governance Services>
+<Public Health Monitoring, partOf, Public Health Monitoring>
+<Public Safety Monitoring, connectedTo, Smart Parking>
+<Public Wi_Fi Deployment, connectedTo, Sustainable Resource Management>
+<Public Wi_Fi Deployment, partOf, Public Wi_Fi Deployment>
+<Renewable Energy Integration, connectedTo, City_wide Sensor Network Deployment>
+<Renewable Energy Integration, connectedTo, Data Privacy Protection>
+<Renewable Energy Integration, connectedTo, Digital Twins of City>
+<Renewable Energy Integration, connectedTo, Public Safety Monitoring>
+<Smart Building Integration, connectedTo, Digital Twins of City>
+<Smart Building Integration, partOf, Smart Building Integration>
+<Smart Education Initiatives, connectedTo, Public Wi_Fi Deployment>
+<Smart Education Initiatives, partOf, Smart Education Initiatives>
+<Smart Parking, connectedTo, Crowd Management>
+<Smart Parking, connectedTo, Emergency Response System>
+<Smart Parking, connectedTo, Environmental Sensor Network>
+<Sustainable Resource Management, connectedTo, Smart Building Integration>
+<Sustainable Resource Management, partOf, Sustainable Resource Management>
+<Waste Management Optimization, connectedTo, Digital Twins of City>
+<Waste Management Optimization, partOf, Waste Management Optimization>
diff --git a/train/graphviz/hard/graphviz_187.txt b/train/graphviz/hard/graphviz_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62aa811499270b2b3336f3e39c4c9caa9b42b08f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_187.txt
@@ -0,0 +1,39 @@
+<Air Quality Index Reporting, connectedTo, Renewable Energy Integration>
+<Air Quality Index Reporting, partOf, Air Quality Index Reporting>
+<Citizen Engagement Platform, connectedTo, Smart Lighting>
+<Citizen Engagement Platform, partOf, Citizen Engagement Platform>
+<Citizen Feedback Loop, connectedTo, Air Quality Index Reporting>
+<Citizen Feedback Loop, partOf, Citizen Feedback Loop>
+<City_wide Sensor Network Deployment, connectedTo, E_governance Services>
+<City_wide Sensor Network Deployment, connectedTo, Public Health Monitoring>
+<Cybersecurity for Infrastructure, connectedTo, Public Safety Monitoring>
+<Cybersecurity for Infrastructure, partOf, Cybersecurity for Infrastructure>
+<Data Privacy Protection, connectedTo, Citizen Feedback Loop>
+<Data Privacy Protection, partOf, Data Privacy Protection>
+<Digital Twins of City, connectedTo, City_wide Sensor Network Deployment>
+<Digital Twins of City, connectedTo, Traffic Flow Optimization>
+<Energy Grid Management, connectedTo, Citizen Engagement Platform>
+<Energy Grid Management, partOf, Energy Grid Management>
+<Infrastructure Maintenance Alert, connectedTo, Data Privacy Protection>
+<Infrastructure Maintenance Alert, partOf, Infrastructure Maintenance Alert>
+<Noise Pollution Monitoring, connectedTo, Digital Twins of City>
+<Noise Pollution Monitoring, connectedTo, Infrastructure Maintenance Alert>
+<Noise Pollution Monitoring, connectedTo, Urban Agriculture Support>
+<Public Health Monitoring, connectedTo, Traffic Flow Optimization>
+<Public Safety Monitoring, connectedTo, Renewable Energy Integration>
+<Renewable Energy Integration, connectedTo, Digital Twins of City>
+<Renewable Energy Integration, connectedTo, E_governance Services>
+<Renewable Energy Integration, connectedTo, Traffic Flow Optimization>
+<Smart Lighting, connectedTo, Cybersecurity for Infrastructure>
+<Smart Lighting, partOf, Smart Lighting>
+<Smart Parking, connectedTo, E_governance Services>
+<Smart Parking, connectedTo, Noise Pollution Monitoring>
+<Smart Parking, connectedTo, Public Health Monitoring>
+<Smart Parking, connectedTo, Traffic Flow Optimization>
+<Smart Parking, connectedTo, Urban Agriculture Support>
+<Smart Parking, connectedTo, Urban Mobility Solutions>
+<Traffic Flow Optimization, connectedTo, E_governance Services>
+<Urban Agriculture Support, connectedTo, Energy Grid Management>
+<Urban Agriculture Support, connectedTo, Public Safety Monitoring>
+<Urban Mobility Solutions, connectedTo, Digital Twins of City>
+<Urban Mobility Solutions, connectedTo, Noise Pollution Monitoring>
diff --git a/train/graphviz/hard/graphviz_189.dot b/train/graphviz/hard/graphviz_189.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b4704ab0fa382ef2e5fdd51edb854cd65534ea9f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_189.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=TD
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+	N4 [label="Public Wi_Fi Deployment" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
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+	N6 [label="Citizen Feedback Loop" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
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+	N8 [label="Waste Recycling Program" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
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+	S0 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
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+	N7 -> S1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [label=tracks color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N3 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N7 [label=communicates color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_189.txt b/train/graphviz/hard/graphviz_189.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72ad1e2a90d2ce901441e066eb09828281672e50
--- /dev/null
+++ b/train/graphviz/hard/graphviz_189.txt
@@ -0,0 +1,33 @@
+<Citizen Feedback Loop, connectedTo, Smart Water Meters>
+<Data Privacy Protection, connectedTo, Digital Twins of City>
+<Data Privacy Protection, connectedTo, Smart Grid Security>
+<Digital Twins of City, connectedTo, Smart Grid Security>
+<Digital Twins of City, connectedTo, Smart Traffic Lights>
+<Digital Twins of City, connectedTo, Urban Planning Data Analysis>
+<Intelligent Public Safety Cameras, connectedTo, Urban Agriculture Support>
+<Intelligent Public Safety Cameras, partOf, Intelligent Public Safety Cameras>
+<Public Safety Monitoring, connectedTo, Water Management System>
+<Public Safety Monitoring, partOf, Public Safety Monitoring>
+<Public Transport Tracking, connectedTo, Smart Building Integration>
+<Public Wi_Fi Deployment, connectedTo, Smart Grid Security>
+<Renewable Energy Integration, communicates, Smart Water Meters>
+<Renewable Energy Integration, connectedTo, Intelligent Public Safety Cameras>
+<Renewable Energy Integration, connectedTo, Public Transport Tracking>
+<Renewable Energy Integration, connectedTo, Public Wi_Fi Deployment>
+<Renewable Energy Integration, connectedTo, Smart Building Integration>
+<Smart Grid Security, connectedTo, Citizen Feedback Loop>
+<Smart Traffic Lights, connectedTo, Public Wi_Fi Deployment>
+<Smart Traffic Lights, connectedTo, Renewable Energy Integration>
+<Smart Traffic Lights, connectedTo, Smart Water Meters>
+<Smart Traffic Lights, connectedTo, Waste Recycling Program>
+<Smart Water Meters, connectedTo, Public Transport Tracking>
+<Smart Water Meters, connectedTo, Smart Building Integration>
+<Smart Water Meters, connectedTo, Waste Recycling Program>
+<Smart Water Meters, tracks, Smart Building Integration>
+<Urban Agriculture Support, connectedTo, Waste Recycling Program>
+<Urban Agriculture Support, partOf, Urban Agriculture Support>
+<Urban Planning Data Analysis, connectedTo, Public Safety Monitoring>
+<Urban Planning Data Analysis, partOf, Urban Planning Data Analysis>
+<Waste Recycling Program, connectedTo, Public Transport Tracking>
+<Water Management System, connectedTo, Digital Twins of City>
+<Water Management System, partOf, Water Management System>
diff --git a/train/graphviz/hard/graphviz_19.dot b/train/graphviz/hard/graphviz_19.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3fa6e63a404bc5e31c0d04ade1543e858b0d48e3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_19.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=RL
+	N0 [label=Serialization color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N1 [label="Supplier Qualification" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
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+	N18 [label="Recycling Process" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
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+	N5 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [label=inspects color="#BCB88A" dir=forward penwidth=1.5 style=solid]
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+	N5 -> M2 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_19.txt b/train/graphviz/hard/graphviz_19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..908822951f3843d4a150a332bbd2f444bb8f4ccb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_19.txt
@@ -0,0 +1,43 @@
+<Automated Assembly, connectedTo, Robotics Integration>
+<Automated Assembly, partOf, Automated Assembly>
+<Automated Guided Vehicle Operation, connectedTo, Batch Tracking>
+<Batch Tracking, connectedTo, Raw Material>
+<Bills of Material Generation, connectedTo, Robotics Integration>
+<Ergonomics Assessment, connectedTo, Factory Layout Planning>
+<Ergonomics Assessment, connectedTo, Work_in_Progress Monitoring>
+<Factory Layout Planning, forecasts, Logistics Planning>
+<Factory Layout Planning, inspects, Supply Chain Synchronization>
+<Logistics Planning, connectedTo, Batch Tracking>
+<Logistics Planning, connectedTo, Product Design>
+<Logistics Planning, connectedTo, Safety Audit>
+<Logistics Planning, connectedTo, Supply Chain Synchronization>
+<Logistics Planning, connectedTo, Workflow Optimization>
+<Logistics Planning, connectedTo, Yield Optimization>
+<Maintenance, calibrates, Recycling Process>
+<Maintenance, partOf, Maintenance>
+<Packaging, connectedTo, Automated Assembly>
+<Packaging, partOf, Packaging>
+<Painting, connectedTo, Bills of Material Generation>
+<Painting, connectedTo, Quality Control>
+<Product Design, connectedTo, Supply Chain Synchronization>
+<Production Scheduling, connectedTo, Yield Optimization>
+<Quality Control, connectedTo, Maintenance>
+<Quality Control, partOf, Quality Control>
+<Raw Material, connectedTo, Recycling Process>
+<Robotics Integration, connectedTo, Batch Tracking>
+<Robotics Integration, connectedTo, Recycling Process>
+<Robotics Integration, connectedTo, Workflow Optimization>
+<Safety Audit, connectedTo, Painting>
+<Serialization, connectedTo, Supplier Qualification>
+<Shipping, connectedTo, Packaging>
+<Shipping, partOf, Shipping>
+<Supplier Qualification, connectedTo, Safety Audit>
+<Supplier Qualification, connectedTo, Welding>
+<Supply Chain Synchronization, connectedTo, Batch Tracking>
+<Supply Chain Synchronization, connectedTo, Production Scheduling>
+<Welding, connectedTo, Ergonomics Assessment>
+<Welding, connectedTo, Supply Chain Synchronization>
+<Work_in_Progress Monitoring, connectedTo, Shipping>
+<Work_in_Progress Monitoring, partOf, Work_in_Progress Monitoring>
+<Workflow Optimization, connectedTo, Automated Guided Vehicle Operation>
+<Yield Optimization, connectedTo, Safety Audit>
diff --git a/train/graphviz/hard/graphviz_190.txt b/train/graphviz/hard/graphviz_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5135f478f1ea800ad1e734a53fc0e3d0fc4e83d9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_190.txt
@@ -0,0 +1,41 @@
+<Citizen Feedback Loop, connectedTo, E_governance Services>
+<Citizen Feedback Loop, connectedTo, Waste Management Optimization>
+<Crowd Management, connectedTo, E_governance Services>
+<Crowd Management, connectedTo, Environmental Sensor Network>
+<Crowd Management, connectedTo, Smart Building Integration>
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new file mode 100644
index 0000000000000000000000000000000000000000..131143e8b748f93dc42561357d15ea3bc9b25f67
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diff --git a/train/graphviz/hard/graphviz_194.dot b/train/graphviz/hard/graphviz_194.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8bacb9a6375ebb7e7d96f6206840bb6003e720e6
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new file mode 100644
index 0000000000000000000000000000000000000000..d8ababeca9fbeeb399249b35c71e288b19b7a073
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+	M1 -> N9 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_198.txt b/train/graphviz/hard/graphviz_198.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b5fce0cae1cc6195cdbf60a659012b571aa0180
--- /dev/null
+++ b/train/graphviz/hard/graphviz_198.txt
@@ -0,0 +1,33 @@
+<Biomanufacturing Scale_up, connectedTo, Diagnostic Test Development>
+<Biomarker Discovery, connectedTo, Biomanufacturing Scale_up>
+<Bioreactor Operation, connectedTo, Cell Culture>
+<Bioreactor Operation, connectedTo, Pharmacogenomics>
+<Biosafety Protocol, connectedTo, Diagnostic Test Development>
+<Biosafety Protocol, connectedTo, Microbial Fermentation>
+<Biosafety Protocol, connectedTo, Protein Engineering>
+<Biosensor Development, connectedTo, Biosafety Protocol>
+<Biosensor Development, partOf, Biosensor Development>
+<Cell Culture, applies, Genomic Editing>
+<Cell Culture, partOf, Cell Culture>
+<Drug Discovery, connectedTo, Diagnostic Test Development>
+<Drug Discovery, connectedTo, Synthetic Biology Design>
+<Genomic Editing, connectedTo, Intellectual Property Protection>
+<Genomic Editing, partOf, Genomic Editing>
+<Intellectual Property Protection, connectedTo, Nanobiotechnology Application>
+<Intellectual Property Protection, partOf, Intellectual Property Protection>
+<Microbial Fermentation, connectedTo, Quality Control>
+<Microbial Fermentation, partOf, Microbial Fermentation>
+<Monoclonal Antibody Production, connectedTo, Bioreactor Operation>
+<Monoclonal Antibody Production, connectedTo, Pharmacogenomics>
+<Nanobiotechnology Application, connectedTo, Regulatory Submission>
+<Personalized Medicine Formulation, connectedTo, Biosensor Development>
+<Personalized Medicine Formulation, partOf, Personalized Medicine Formulation>
+<Pharmacogenomics, connectedTo, Nanobiotechnology Application>
+<Protein Engineering, connectedTo, Biomarker Discovery>
+<Quality Control, connectedTo, Personalized Medicine Formulation>
+<Quality Control, partOf, Quality Control>
+<Regulatory Submission, connectedTo, Biomarker Discovery>
+<Regulatory Submission, connectedTo, Protein Engineering>
+<Regulatory Submission, secures, Biosafety Protocol>
+<Synthetic Biology Design, connectedTo, Monoclonal Antibody Production>
+<Synthetic Biology Design, connectedTo, Pharmacogenomics>
diff --git a/train/graphviz/hard/graphviz_199.txt b/train/graphviz/hard/graphviz_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e9df7a378ce32c550f9abb710144cf9952be30fe
--- /dev/null
+++ b/train/graphviz/hard/graphviz_199.txt
@@ -0,0 +1,36 @@
+<Assay Development, connectedTo, Vaccine Development>
+<Bioinformatics Analysis, connectedTo, Intellectual Property Protection>
+<Bioinformatics Analysis, connectedTo, Personalized Medicine Formulation>
+<Bioinformatics Analysis, connectedTo, Protein Engineering>
+<Bioinformatics Analysis, connectedTo, Target Identification>
+<Bioinformatics Analysis, connectedTo, Vaccine Development>
+<Biomanufacturing Scale_up, connectedTo, Biosensor Development>
+<Biomanufacturing Scale_up, connectedTo, Target Identification>
+<Biomarker Discovery, connectedTo, Assay Development>
+<Bioreactor Operation, connectedTo, Bioinformatics Analysis>
+<Biosafety Protocol, connectedTo, Gene Sequencing>
+<Biosafety Protocol, partOf, Biosafety Protocol>
+<Biosensor Development, connectedTo, Bioreactor Operation>
+<Biosensor Development, connectedTo, Biosafety Protocol>
+<Biosensor Development, connectedTo, Target Identification>
+<Clinical Data Interpretation, connectedTo, Biomanufacturing Scale_up>
+<Clinical Data Interpretation, connectedTo, Target Identification>
+<Drug Discovery, connectedTo, Preclinical Testing>
+<Drug Discovery, partOf, Drug Discovery>
+<Gene Sequencing, connectedTo, Genomic Editing>
+<Gene Sequencing, partOf, Gene Sequencing>
+<Genomic Editing, connectedTo, Microbial Fermentation>
+<Genomic Editing, partOf, Genomic Editing>
+<Intellectual Property Protection, connectedTo, Biomarker Discovery>
+<Microbial Fermentation, connectedTo, Biomanufacturing Scale_up>
+<Microbial Fermentation, partOf, Microbial Fermentation>
+<Monoclonal Antibody Production, connectedTo, Drug Discovery>
+<Monoclonal Antibody Production, partOf, Monoclonal Antibody Production>
+<Personalized Medicine Formulation, connectedTo, Monoclonal Antibody Production>
+<Personalized Medicine Formulation, partOf, Personalized Medicine Formulation>
+<Pharmacogenomics, connectedTo, Protein Engineering>
+<Preclinical Testing, connectedTo, Pharmacogenomics>
+<Preclinical Testing, partOf, Preclinical Testing>
+<Protein Engineering, connectedTo, Intellectual Property Protection>
+<Target Identification, connectedTo, Pharmacogenomics>
+<Target Identification, connectedTo, Protein Engineering>
diff --git a/train/graphviz/hard/graphviz_2.dot b/train/graphviz/hard/graphviz_2.dot
new file mode 100644
index 0000000000000000000000000000000000000000..205766474111b7bcb0bae7bcfb38a091d7e4e07e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_2.dot
@@ -0,0 +1,87 @@
+digraph {
+	rankdir=BT
+	N0 [label="IPO Launch" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N1 [label="Collateral Evaluation" color="#A188D0" fillcolor="#DACBE3" shape=folder style=filled]
+	N2 [label="Approval Decision" color="#7E57C2" fillcolor="#EDE7F6" shape=folder style=filled]
+	N3 [label="Tax Preparation" color="#A188D0" fillcolor="#DACBE3" shape=oval style=filled]
+	N4 [label=Underwriting color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N5 [label="Venture Capital Funding" color="#7E57C2" fillcolor="#EDE7F6" shape=oval style=filled]
+	N6 [label="Mortgage Application" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N7 [label="KYC Validation" color="#7E57C2" fillcolor="#EDE7F6" shape=octagon style=filled]
+	N8 [label="Fraud Check" color="#A188D0" fillcolor="#DACBE3" shape=oval style=filled]
+	N9 [label="Merger and Acquisition" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N10 [label="Loan Processing" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N11 [label="Dispute Resolution" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N12 [label="Treasury Management" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N13 [label="Credit Scoring" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N14 [label="Account Verification" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N15 [label="Financial Advisory" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	S0 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A188D0" fillcolor="#DACBE3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Investment Planning" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Market Analysis" color="#7E57C2" fillcolor="#EDE7F6" shape=diamond style=filled]
+		nest0_1 [label="Credit Card Application" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+		nest0_2 [label="Risk Assessment" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+		nest0_3 [label="Income Verification" color="#7E57C2" fillcolor="#EDE7F6" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=invests color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Budgeting Analysis" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Account Closure" color="#7E57C2" fillcolor="#EDE7F6" shape=folder style=filled]
+		nest1_1 [label="Cryptocurrency Exchange" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest1_2 [label="Asset Management" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+		nest1_0 -> nest1_1 [label=collects color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [label=consults color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label=disburses color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest1_0 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N14 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [label=verifies color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> S2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N3 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S2 -> N6 [color="#A188D0" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [color="#A188D0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=analyzes color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N4 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M1 [label=scores color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N11 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N5 -> M2 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	N10 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M2 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_2.txt b/train/graphviz/hard/graphviz_2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4281987be7456a844cfe99710fef6f843bed73bd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_2.txt
@@ -0,0 +1,47 @@
+<Account Closure, collects, Cryptocurrency Exchange>
+<Account Closure, partOf, Account Closure>
+<Account Verification, connectedTo, Financial Advisory>
+<Approval Decision, connectedTo, Tax Preparation>
+<Asset Management, connectedTo, Account Verification>
+<Asset Management, partOf, Asset Management>
+<Collateral Evaluation, connectedTo, Approval Decision>
+<Collateral Evaluation, connectedTo, Market Analysis>
+<Collateral Evaluation, connectedTo, Underwriting>
+<Credit Card Application, invests, Risk Assessment>
+<Credit Card Application, partOf, Credit Card Application>
+<Credit Scoring, connectedTo, Account Verification>
+<Cryptocurrency Exchange, consults, Asset Management>
+<Cryptocurrency Exchange, partOf, Cryptocurrency Exchange>
+<Dispute Resolution, connectedTo, Treasury Management>
+<Fraud Check, connectedTo, Account Verification>
+<Fraud Check, connectedTo, Financial Advisory>
+<Fraud Check, connectedTo, Loan Processing>
+<Fraud Check, connectedTo, Merger and Acquisition>
+<Fraud Check, verifies, Treasury Management>
+<IPO Launch, analyzes, Underwriting>
+<IPO Launch, connectedTo, Collateral Evaluation>
+<IPO Launch, connectedTo, Financial Advisory>
+<IPO Launch, connectedTo, Fraud Check>
+<IPO Launch, connectedTo, Merger and Acquisition>
+<IPO Launch, connectedTo, Mortgage Application>
+<IPO Launch, connectedTo, Tax Preparation>
+<Income Verification, connectedTo, Collateral Evaluation>
+<Income Verification, partOf, Income Verification>
+<KYC Validation, connectedTo, Fraud Check>
+<Loan Processing, connectedTo, Credit Scoring>
+<Loan Processing, connectedTo, Dispute Resolution>
+<Market Analysis, connectedTo, Credit Card Application>
+<Market Analysis, partOf, Market Analysis>
+<Merger and Acquisition, connectedTo, Account Closure>
+<Merger and Acquisition, disburses, Loan Processing>
+<Merger and Acquisition, scores, Dispute Resolution>
+<Mortgage Application, connectedTo, Credit Scoring>
+<Mortgage Application, connectedTo, Dispute Resolution>
+<Mortgage Application, connectedTo, KYC Validation>
+<Risk Assessment, connectedTo, Income Verification>
+<Risk Assessment, partOf, Risk Assessment>
+<Tax Preparation, connectedTo, Underwriting>
+<Treasury Management, connectedTo, Credit Scoring>
+<Underwriting, connectedTo, Venture Capital Funding>
+<Venture Capital Funding, connectedTo, Credit Scoring>
+<Venture Capital Funding, connectedTo, Mortgage Application>
diff --git a/train/graphviz/hard/graphviz_200.dot b/train/graphviz/hard/graphviz_200.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e72f0912c9d00d6b9fa32bfb1619d0ee38676ae8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_200.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=BT
+	N0 [label="Drug Discovery" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N1 [label="Monoclonal Antibody Production" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N2 [label="Bioprocess Optimization" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N3 [label="Microbial Fermentation" color="#795548" fillcolor="#D7CCC8" shape=plaintext style=filled]
+	N4 [label=Bioimaging color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N5 [label="Gene Therapy Delivery" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+	N6 [label="Biomanufacturing Scale_up" color="#6EB76D" fillcolor="#E9F7E8" shape=octagon style=filled]
+	N7 [label="Environmental Bioremediation" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N8 [label="Biosafety Protocol" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+	N9 [label="Protein Engineering" color="#795548" fillcolor="#D7CCC8" shape=oval style=filled]
+	N10 [label="Ethical Review Board Approval" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N11 [label="Structural Biology" color="#6EB76D" fillcolor="#E9F7E8" shape=folder style=filled]
+	N12 [label="Target Identification" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N13 [label="Data Management and Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N14 [label="CRISPR Technology Application" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N15 [label=Pharmacogenomics color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N16 [label="Biomarker Discovery" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N17 [label="Synthetic Biology Design" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N18 [label="Intellectual Property Protection" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N19 [label="Preclinical Testing" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+	N20 [label="Nanobiotechnology Application" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	S0 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Gene Sequencing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Diagnostic Test Development" color="#AF56A6" fillcolor="#DDCEDD" shape=box style=filled]
+		nest0_1 [label="Personalized Medicine Formulation" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Bioinformatics Analysis" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Assay Development" color="#AF56A6" fillcolor="#DDCEDD" shape=Mdiamond style=filled]
+		nest1_1 [label="Quality Control" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N6 -> N7 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
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+	N8 -> N9 [color="#AF56A6" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=ferments color="#AF56A6" dir=forward penwidth=1.5 style=solid]
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+	N12 -> N13 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N16 -> N17 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N17 -> N18 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N18 -> N19 [label=researches color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N8 -> nest0_0 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest1_0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N17 -> S0 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S0 -> N19 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S0 -> N20 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S1 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S1 -> N20 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> M0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N16 -> M0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	M0 -> N20 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [label=complies color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_201.txt b/train/graphviz/hard/graphviz_201.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dd75cf30bbaf91b34f4f3865ec16a472eb74a4b3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_201.txt
@@ -0,0 +1,37 @@
+<Adverse Event Reporting, connectedTo, Sales and Marketing Strategy>
+<Adverse Event Reporting, partOf, Adverse Event Reporting>
+<Audit Management, connectedTo, Biostatistics>
+<Audit Management, connectedTo, Drug Research>
+<Audit Management, connectedTo, Market Access Strategy>
+<Batch Release, connectedTo, Biostatistics>
+<Batch Release, connectedTo, Market Access Strategy>
+<Batch Release, connectedTo, Solid Dosage Formulation>
+<Batch Release, connectedTo, Supply Chain Management>
+<Batch Release, consults, Biostatistics>
+<Biostatistics, connectedTo, Clinical Trial Phases>
+<Biostatistics, connectedTo, Counterfeit Drug Detection>
+<Biostatistics, connectedTo, Drug Stability Testing>
+<Biostatistics, connectedTo, Sterile Product Filling>
+<Biostatistics, researches, Supply Chain Management>
+<Clinical Trial Phases, connectedTo, Drug Stability Testing>
+<Distribution, connectedTo, Batch Release>
+<Distribution, connectedTo, Drug Research>
+<Drug Research, connectedTo, Biostatistics>
+<Drug Stability Testing, connectedTo, Supply Chain Management>
+<Manufacturing Scale_up, connectedTo, Adverse Event Reporting>
+<Manufacturing Scale_up, partOf, Manufacturing Scale_up>
+<Market Access Strategy, connectedTo, Drug Research>
+<Packaging, connectedTo, Counterfeit Drug Detection>
+<Packaging, tests, Manufacturing Scale_up>
+<Pharmacovigilance, connectedTo, Solid Dosage Formulation>
+<Pharmacovigilance, partOf, Pharmacovigilance>
+<Process Validation, connectedTo, Pharmacovigilance>
+<Process Validation, partOf, Process Validation>
+<Sales and Marketing Strategy, connectedTo, Drug Research>
+<Sales and Marketing Strategy, partOf, Sales and Marketing Strategy>
+<Solid Dosage Formulation, connectedTo, Audit Management>
+<Solid Dosage Formulation, connectedTo, Biostatistics>
+<Solid Dosage Formulation, connectedTo, Drug Research>
+<Sterile Product Filling, connectedTo, Process Validation>
+<Sterile Product Filling, partOf, Sterile Product Filling>
+<Supply Chain Management, connectedTo, Packaging>
diff --git a/train/graphviz/hard/graphviz_206.dot b/train/graphviz/hard/graphviz_206.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3c3528e91527a106a14697469057940e904b7db4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_206.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=RL
+	N0 [label="Medical Writing" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N1 [label="Post_Marketing Surveillance" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N2 [label="Compound Synthesis" color="#CDDC39" fillcolor="#E6EE9C" shape=folder style=filled]
+	N3 [label="Solid Dosage Formulation" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N4 [label="Drug Stability Testing" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N5 [label="Intellectual Property Litigation" color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+	N6 [label="Clinical Supply Management" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N7 [label="Audit Management" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N8 [label=Distribution color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N9 [label="Drug Device Combination" color="#CDDC39" fillcolor="#E6EE9C" shape=oval style=filled]
+	N10 [label="Active Pharmaceutical Ingredient Production" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	S1 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Patent Application" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cold Chain Logistics" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+		nest0_1 [label="Clinical Trial Phases" color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+		nest0_2 [label="Adverse Event Reporting" color="#A1887F" fillcolor="#EFEBE9" shape=Mdiamond style=filled]
+		nest0_0 -> nest0_1 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Injectable Drug Manufacturing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Patient Adherence Programs" color="#CDDC39" fillcolor="#E6EE9C" shape=oval style=filled]
+		nest1_1 [label="Manufacturing Scale_up" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N10 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest1_0 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#A1887F" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N9 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_208.dot b/train/graphviz/hard/graphviz_208.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bab12b1d511c396dc662abb427123c2e5a0cb6a7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_208.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=BT
+	N0 [label="Post_Marketing Surveillance" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Supply Chain Management" color="#73C6BC" fillcolor="#D0EFEE" shape=Mdiamond style=filled]
+	N2 [label="Manufacturing Scale_up" color="#FFCC7A" fillcolor="#FFF6D9" shape=Mdiamond style=filled]
+	N3 [label="Process Validation" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N4 [label="Drug Stability Testing" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N5 [label="Clinical Supply Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N6 [label="Patent Application" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N7 [label="Counterfeit Drug Detection" color="#B8C0F5" fillcolor="#ECF0FD" shape=folder style=filled]
+	N8 [label="Regulatory Approval" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N9 [label="Cold Chain Logistics" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N10 [label="Sales and Marketing Strategy" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N11 [label="Market Access Strategy" color="#73C6BC" fillcolor="#D0EFEE" shape=Mdiamond style=filled]
+	N12 [label="Audit Management" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N13 [label="Drug Repurposing" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N14 [label="Active Pharmaceutical Ingredient Production" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#73C6BC" fillcolor="#D0EFEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Drug Research" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Biostatistics color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+		nest0_1 [label="Clinical Data Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest0_2 [label="Drug Device Combination" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Batch Release" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Health Economics Outcomes Research" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+		nest1_1 [label=Pharmacovigilance color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=sells color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest1_0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N3 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N1 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N5 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S2 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N10 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	M0 -> N14 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N5 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_209.txt b/train/graphviz/hard/graphviz_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a803e9dfbeddf319a9d5e678b974a0039f1f9f55
--- /dev/null
+++ b/train/graphviz/hard/graphviz_209.txt
@@ -0,0 +1,30 @@
+<Agricultural Robotics, connectedTo, Exploration Robotics>
+<Agricultural Robotics, partOf, Agricultural Robotics>
+<Calibration, connectedTo, Path Planning>
+<Calibration, partOf, Calibration>
+<Collaborative Robotics, connectedTo, Fault Detection and Diagnosis>
+<Data Collection, connectedTo, Collaborative Robotics>
+<Data Collection, connectedTo, Fault Detection and Diagnosis>
+<Drone Control, connectedTo, Calibration>
+<Drone Control, partOf, Drone Control>
+<End_Effector Design, connectedTo, Exoskeleton Development>
+<End_Effector Design, partOf, End_Effector Design>
+<Exoskeleton Development, connectedTo, Path Planning>
+<Exoskeleton Development, partOf, Exoskeleton Development>
+<Exploration Robotics, connectedTo, End_Effector Design>
+<Exploration Robotics, partOf, Exploration Robotics>
+<Fault Detection and Diagnosis, connectedTo, Industrial Automation>
+<Field Deployment, connectedTo, Drone Control>
+<Field Deployment, connectedTo, Robot Design>
+<Force Control, connectedTo, Field Deployment>
+<Force Control, connectedTo, Path Planning>
+<Force Control, connectedTo, Swarm Robotics>
+<Path Planning, connectedTo, Data Collection>
+<Path Planning, connectedTo, Fault Detection and Diagnosis>
+<Path Planning, connectedTo, Robot Design>
+<Path Planning, connectedTo, Swarm Robotics>
+<Path Planning, optimizes, Field Deployment>
+<Robot Design, connectedTo, Fault Detection and Diagnosis>
+<Robot Design, connectedTo, Swarm Robotics>
+<Swarm Robotics, connectedTo, Agricultural Robotics>
+<Swarm Robotics, connectedTo, Data Collection>
diff --git a/train/graphviz/hard/graphviz_21.dot b/train/graphviz/hard/graphviz_21.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d61cc700f44f6a6fef8b028ab532f2bd014af7eb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_21.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=BT
+	N0 [label="Component Sourcing" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="Design Review" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N2 [label="Product Design" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N3 [label="Ergonomics Assessment" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N4 [label="Quality Control" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N5 [label="Safety Audit" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N6 [label="Recycling Process" color="#4CAF50" fillcolor="#C8E6C9" shape=oval style=filled]
+	N7 [label="Robotics Integration" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N8 [label="Production Scheduling" color="#3F51B5" fillcolor="#C5CAE9" shape=octagon style=filled]
+	N9 [label="Tool Path Generation" color="#BDBDBD" fillcolor="#F5F5F5" shape=folder style=filled]
+	N10 [label="Bills of Material Generation" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N11 [label=Painting color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N12 [label="Automated Assembly" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N13 [label=Procurement color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N14 [label="Predictive Maintenance" color="#BDBDBD" fillcolor="#F5F5F5" shape=folder style=filled]
+	N15 [label="Supplier Qualification" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	S0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Supply Chain Synchronization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Raw Material" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+		nest0_1 [label="Parts Replacement" color="#BDBDBD" fillcolor="#F5F5F5" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label=Storage labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label=Maintenance color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+		nest1_1 [label=Shipping color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=integrates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=schedules color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=forecasts color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N14 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N13 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N1 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> S1 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N5 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_210.txt b/train/graphviz/hard/graphviz_210.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c0fef9bc480452ee89b9a6fb9fedb43ed00bc34
--- /dev/null
+++ b/train/graphviz/hard/graphviz_210.txt
@@ -0,0 +1,34 @@
+<Collaborative Robotics, connectedTo, System Integration>
+<Collaborative Robotics, simulates, Safety System Implementation>
+<Drone Control, connectedTo, Collaborative Robotics>
+<Drone Control, connectedTo, Exploration Robotics>
+<Drone Control, connectedTo, Safety System Implementation>
+<Drone Control, connectedTo, System Integration>
+<Fault Detection and Diagnosis, connectedTo, Force Control>
+<Fault Detection and Diagnosis, partOf, Fault Detection and Diagnosis>
+<Force Control, builds, Safety System Implementation>
+<Force Control, partOf, Force Control>
+<Human_Robot Interaction, connectedTo, Exploration Robotics>
+<Human_Robot Interaction, connectedTo, Swarm Robotics>
+<Maintenance, connectedTo, Medical Robotics>
+<Maintenance, partOf, Maintenance>
+<Medical Robotics, connectedTo, Collaborative Robotics>
+<Medical Robotics, partOf, Medical Robotics>
+<Robot Assembly, connectedTo, Human_Robot Interaction>
+<Safety System Implementation, connectedTo, Exploration Robotics>
+<Safety System Implementation, connectedTo, Fault Detection and Diagnosis>
+<Safety System Implementation, connectedTo, Human_Robot Interaction>
+<Safety System Implementation, connectedTo, Robot Assembly>
+<Safety System Implementation, connectedTo, System Integration>
+<Service Robotics, connectedTo, Exploration Robotics>
+<Service Robotics, connectedTo, Robot Assembly>
+<Software Development, communicates, Exploration Robotics>
+<Software Development, connectedTo, Drone Control>
+<Software Development, connectedTo, Safety System Implementation>
+<Software Development, models, System Integration>
+<Software Development, monitors, Human_Robot Interaction>
+<Swarm Robotics, connectedTo, Maintenance>
+<Swarm Robotics, partOf, Swarm Robotics>
+<System Integration, connectedTo, Exploration Robotics>
+<System Integration, connectedTo, Robot Assembly>
+<System Integration, connectedTo, Service Robotics>
diff --git a/train/graphviz/hard/graphviz_212.txt b/train/graphviz/hard/graphviz_212.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4917f399f8fae0be79eb5a748ddcd277d1556af3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_212.txt
@@ -0,0 +1,34 @@
+<Actuator Control, connectedTo, Learning Algorithms>
+<Actuator Control, connectedTo, Medical Robotics>
+<Collaborative Robotics, connectedTo, Force Control>
+<Embedded Systems Development, connectedTo, Collaborative Robotics>
+<Embedded Systems Development, partOf, Embedded Systems Development>
+<End_Effector Design, connectedTo, Embedded Systems Development>
+<End_Effector Design, partOf, End_Effector Design>
+<Ethical Robotics Development, connectedTo, System Integration>
+<Ethical Robotics Development, partOf, Ethical Robotics Development>
+<Exoskeleton Development, connectedTo, Actuator Control>
+<Exoskeleton Development, connectedTo, Collaborative Robotics>
+<Exoskeleton Development, connectedTo, Robot Fleet Management>
+<Fault Detection and Diagnosis, connectedTo, Robot Fleet Management>
+<Fault Detection and Diagnosis, connectedTo, Service Robotics>
+<Fault Detection and Diagnosis, designs, Collaborative Robotics>
+<Force Control, automates, Robot Fleet Management>
+<Force Control, connectedTo, Performance Testing>
+<Force Control, connectedTo, Wireless Communication>
+<Force Control, moves, Wireless Communication>
+<Force Control, optimizes, Robot Fleet Management>
+<Human_Robot Interaction, connectedTo, End_Effector Design>
+<Human_Robot Interaction, partOf, Human_Robot Interaction>
+<Learning Algorithms, connectedTo, Human_Robot Interaction>
+<Learning Algorithms, partOf, Learning Algorithms>
+<Medical Robotics, connectedTo, Fault Detection and Diagnosis>
+<Performance Testing, connectedTo, Ethical Robotics Development>
+<Performance Testing, connectedTo, Wireless Communication>
+<Robotics Simulation, models, Fault Detection and Diagnosis>
+<Robotics Simulation, partOf, Robotics Simulation>
+<Safety System Implementation, connectedTo, Exoskeleton Development>
+<Service Robotics, connectedTo, Collaborative Robotics>
+<System Integration, connectedTo, Robotics Simulation>
+<System Integration, partOf, System Integration>
+<Wireless Communication, connectedTo, Robot Fleet Management>
diff --git a/train/graphviz/hard/graphviz_213.dot b/train/graphviz/hard/graphviz_213.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9eac99cd05c5b537950fd34fa8f6f275f91089d4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_213.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=TD
+	N0 [label="Robotics Simulation" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N1 [label="Software Development" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
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+	N8 [label="Underwater Robotics" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N9 [label="Kinematics and Dynamics" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+	N10 [label="Battery Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N11 [label="Robot Fleet Management" color="#FFA726" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N12 [label="End_Effector Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N13 [label="Industrial Automation" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
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+	subgraph cluster_Group0 {
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+		nest0_1 [label="Data Collection" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
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+		nest1_1 [label="Artificial Intelligence Integration" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
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+}
diff --git a/train/graphviz/hard/graphviz_215.dot b/train/graphviz/hard/graphviz_215.dot
new file mode 100644
index 0000000000000000000000000000000000000000..14ffd3c0d9658d8fcf3ba47af575143774403877
--- /dev/null
+++ b/train/graphviz/hard/graphviz_215.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=TD
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diff --git a/train/graphviz/hard/graphviz_216.dot b/train/graphviz/hard/graphviz_216.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bd7329630ae4c14b988b7f81caa9bbe13f368058
--- /dev/null
+++ b/train/graphviz/hard/graphviz_216.dot
@@ -0,0 +1,67 @@
+digraph {
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+}
diff --git a/train/graphviz/hard/graphviz_216.txt b/train/graphviz/hard/graphviz_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f881d2d245f745b51be05af10d3541411945e538
--- /dev/null
+++ b/train/graphviz/hard/graphviz_216.txt
@@ -0,0 +1,33 @@
+<Agricultural Robotics, senses, Autonomous Navigation>
+<Artificial Intelligence Integration, connectedTo, Drone Control>
+<Artificial Intelligence Integration, connectedTo, Industrial Automation>
+<Artificial Intelligence Integration, connectedTo, Performance Testing>
+<Artificial Intelligence Integration, moves, Sensor Integration>
+<Autonomous Navigation, connectedTo, Kinematics and Dynamics>
+<Calibration, connectedTo, Performance Testing>
+<Calibration, connectedTo, Underwater Robotics>
+<Drone Control, learns, Agricultural Robotics>
+<Fault Detection and Diagnosis, connectedTo, Underwater Robotics>
+<Fault Detection and Diagnosis, partOf, Fault Detection and Diagnosis>
+<Grasping and Manipulation, connectedTo, Performance Testing>
+<Industrial Automation, connectedTo, Grasping and Manipulation>
+<Industrial Automation, connectedTo, Safety System Implementation>
+<Kinematics and Dynamics, connectedTo, Robot Assembly>
+<Medical Robotics, communicates, Robotics Simulation>
+<Medical Robotics, connectedTo, Drone Control>
+<Medical Robotics, connectedTo, Robot Assembly>
+<Performance Testing, connectedTo, Drone Control>
+<Performance Testing, connectedTo, Wireless Communication>
+<Robot Assembly, connectedTo, Battery Management>
+<Robot Design, connectedTo, Robot Assembly>
+<Robot Design, partOf, Robot Design>
+<Robotics Simulation, connectedTo, Artificial Intelligence Integration>
+<Robotics Simulation, connectedTo, Robot Assembly>
+<Robotics Simulation, connectedTo, Wireless Communication>
+<Robotics Simulation, programs, Kinematics and Dynamics>
+<Safety System Implementation, connectedTo, Robot Design>
+<Safety System Implementation, partOf, Safety System Implementation>
+<Sensor Integration, connectedTo, Fault Detection and Diagnosis>
+<Sensor Integration, partOf, Sensor Integration>
+<Underwater Robotics, connectedTo, Medical Robotics>
+<Wireless Communication, connectedTo, Drone Control>
diff --git a/train/graphviz/hard/graphviz_218.dot b/train/graphviz/hard/graphviz_218.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b121e6bb03cecd4c9379ac84b147973b4e10c84f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_218.dot
@@ -0,0 +1,80 @@
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diff --git a/train/graphviz/hard/graphviz_219.dot b/train/graphviz/hard/graphviz_219.dot
new file mode 100644
index 0000000000000000000000000000000000000000..76d243a4bd43be5336b32b24f96972e865be864a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_219.dot
@@ -0,0 +1,68 @@
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diff --git a/train/graphviz/hard/graphviz_22.dot b/train/graphviz/hard/graphviz_22.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbab41a7c4ef90ca5b928af48afd0cc0c8958a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_22.dot
@@ -0,0 +1,56 @@
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diff --git a/train/graphviz/hard/graphviz_222.dot b/train/graphviz/hard/graphviz_222.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0db6bae2aadf8bc19fc81b409352f0d89f948e16
--- /dev/null
+++ b/train/graphviz/hard/graphviz_222.dot
@@ -0,0 +1,72 @@
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+	S1 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#9575CD" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Road Construction" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Equipment Mobilization" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+		nest0_1 [label="Roofing Installation" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+		nest0_2 [label=Pre_fabrication color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=audits color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Blueprint Review" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Utility Connection" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+		nest1_1 [label="Foundation Laying" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+		nest1_2 [label="Steel Erection" color="#9575CD" fillcolor="#EDE7F6" shape=diamond style=filled]
+		nest1_0 -> nest1_1 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=installs color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N12 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N8 [label=plans color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest1_0 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N10 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [label=advises color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S2 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	S2 -> N13 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	S2 -> N14 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N12 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_222.txt b/train/graphviz/hard/graphviz_222.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7480eef4b7db9625572b3c9ff8b486e578ac29c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_222.txt
@@ -0,0 +1,38 @@
+<Bridge Building, connectedTo, Excavation>
+<Bridge Building, connectedTo, Material Procurement>
+<Bridge Building, connectedTo, Occupancy Permit Acquisition>
+<Bridge Building, connectedTo, Robotics in Construction>
+<Concrete Pouring, installs, Subcontractor Management>
+<Drone Surveying, advises, Permit Application>
+<Drone Surveying, connectedTo, Concrete Pouring>
+<Drone Surveying, connectedTo, Occupancy Permit Acquisition>
+<Drone Surveying, connectedTo, Structural Framing>
+<Drone Surveying, connectedTo, Utility Connection>
+<Electrical Wiring, connectedTo, HVAC Installation>
+<Equipment Mobilization, audits, Roofing Installation>
+<Equipment Mobilization, partOf, Equipment Mobilization>
+<Excavation, connectedTo, Robotics in Construction>
+<Foundation Laying, connectedTo, Steel Erection>
+<Foundation Laying, partOf, Foundation Laying>
+<HVAC Installation, connectedTo, Drone Surveying>
+<HVAC Installation, connectedTo, Interior Finishing>
+<Interior Finishing, connectedTo, Bridge Building>
+<Material Procurement, connectedTo, Site Decontamination>
+<Occupancy Permit Acquisition, connectedTo, Equipment Mobilization>
+<Occupancy Permit Acquisition, connectedTo, Excavation>
+<Permit Application, connectedTo, Concrete Pouring>
+<Permit Application, connectedTo, Robotics in Construction>
+<Permit Application, connectedTo, Subcontractor Management>
+<Pre_fabrication, partOf, Pre_fabrication>
+<Pre_fabrication, plans, Site Decontamination>
+<Roofing Installation, connectedTo, Pre_fabrication>
+<Roofing Installation, partOf, Roofing Installation>
+<Site Decontamination, connectedTo, Permit Application>
+<Site Planning, connectedTo, Electrical Wiring>
+<Site Planning, connectedTo, Interior Finishing>
+<Steel Erection, connectedTo, Concrete Pouring>
+<Steel Erection, partOf, Steel Erection>
+<Structural Framing, connectedTo, Interior Finishing>
+<Subcontractor Management, connectedTo, Occupancy Permit Acquisition>
+<Utility Connection, connectedTo, Foundation Laying>
+<Utility Connection, partOf, Utility Connection>
diff --git a/train/graphviz/hard/graphviz_223.txt b/train/graphviz/hard/graphviz_223.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8f6bcb41da4ea354edc7e13fc5f50877d55529a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_223.txt
@@ -0,0 +1,38 @@
+<Concrete Pouring, connectedTo, Robotics in Construction>
+<Demolition, connectedTo, Road Construction>
+<Drone Surveying, connectedTo, Demolition>
+<Drone Surveying, connectedTo, Interior Finishing>
+<Electrical Wiring, builds, Utility Connection>
+<Electrical Wiring, partOf, Electrical Wiring>
+<Equipment Mobilization, connectedTo, Facade Installation>
+<Equipment Mobilization, partOf, Equipment Mobilization>
+<Facade Installation, connectedTo, Electrical Wiring>
+<Facade Installation, partOf, Facade Installation>
+<Interior Finishing, connectedTo, Site Planning>
+<Interior Finishing, connectedTo, Utility Connection>
+<Material Procurement, demolishes, Permit Application>
+<Material Procurement, partOf, Material Procurement>
+<Permit Application, connectedTo, Road Construction>
+<Permit Application, partOf, Permit Application>
+<Project Scheduling, connectedTo, Concrete Pouring>
+<Project Scheduling, connectedTo, Demolition>
+<Project Scheduling, connectedTo, Quality Assurance>
+<Project Scheduling, connectedTo, Robotics in Construction>
+<Project Scheduling, connectedTo, Site Logistics>
+<Project Scheduling, connectedTo, Utility Connection>
+<Project Scheduling, surveys, Risk Assessment>
+<Project Scheduling, tests, Robotics in Construction>
+<Quality Assurance, connectedTo, Equipment Mobilization>
+<Quality Assurance, partOf, Quality Assurance>
+<Risk Assessment, connectedTo, Demolition>
+<Risk Assessment, connectedTo, Drone Surveying>
+<Risk Assessment, measures, Site Logistics>
+<Risk Assessment, reports, Robotics in Construction>
+<Road Construction, connectedTo, Interior Finishing>
+<Site Logistics, connectedTo, Drone Surveying>
+<Site Planning, connectedTo, Material Procurement>
+<Site Planning, partOf, Site Planning>
+<Subcontractor Management, connectedTo, Demolition>
+<Subcontractor Management, connectedTo, Interior Finishing>
+<Subcontractor Management, connectedTo, Project Scheduling>
+<Utility Connection, connectedTo, Concrete Pouring>
diff --git a/train/graphviz/hard/graphviz_224.dot b/train/graphviz/hard/graphviz_224.dot
new file mode 100644
index 0000000000000000000000000000000000000000..feb598ac0ebf373761158919fa08d1ddcc7fd649
--- /dev/null
+++ b/train/graphviz/hard/graphviz_224.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=LR
+	N0 [label="Facade Installation" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N1 [label="Road Construction" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N2 [label="Site Planning" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N3 [label=Demolition color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N4 [label="Waste Management" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+	N5 [label="Landscape Design" color="#4CAF50" fillcolor="#C8E6C9" shape=folder style=filled]
+	N6 [label="Risk Assessment" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N7 [label="Site Decontamination" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N8 [label="Blueprint Review" color="#4CAF50" fillcolor="#C8E6C9" shape=folder style=filled]
+	N9 [label="HVAC Installation" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N10 [label="Equipment Mobilization" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N11 [label="Post_Construction Handover" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N12 [label="Interior Finishing" color="#8C9EFF" fillcolor="#D3D7EB" shape=folder style=filled]
+	N13 [label="Roofing Installation" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N14 [label="Material Procurement" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	S0 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4CAF50" fillcolor="#C8E6C9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Structural Framing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="BIM Modeling" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+		nest0_1 [label="Punch List Completion" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Site Logistics" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Plumbing Work" color="#FFF8A6" fillcolor="#FFFDE0" shape=oval style=filled]
+		nest1_1 [label="Budget Tracking" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+		nest1_2 [label=Excavation color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
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+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N3 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N11 -> nest1_0 [label=measures color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N6 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N11 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#FFF8A6" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#FFF8A6" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N5 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_224.txt b/train/graphviz/hard/graphviz_224.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6bd6d18e31535e577fc18fa99dc911a535984658
--- /dev/null
+++ b/train/graphviz/hard/graphviz_224.txt
@@ -0,0 +1,34 @@
+<BIM Modeling, connectedTo, Punch List Completion>
+<BIM Modeling, partOf, BIM Modeling>
+<Blueprint Review, connectedTo, HVAC Installation>
+<Budget Tracking, connectedTo, Excavation>
+<Budget Tracking, partOf, Budget Tracking>
+<Demolition, connectedTo, Landscape Design>
+<Demolition, connectedTo, Waste Management>
+<Equipment Mobilization, connectedTo, Post_Construction Handover>
+<Excavation, connectedTo, Risk Assessment>
+<Excavation, connectedTo, Waste Management>
+<Excavation, partOf, Excavation>
+<Facade Installation, connectedTo, Equipment Mobilization>
+<Facade Installation, connectedTo, Road Construction>
+<HVAC Installation, connectedTo, Equipment Mobilization>
+<Interior Finishing, connectedTo, Plumbing Work>
+<Interior Finishing, connectedTo, Roofing Installation>
+<Landscape Design, connectedTo, Equipment Mobilization>
+<Landscape Design, connectedTo, Risk Assessment>
+<Plumbing Work, connectedTo, Budget Tracking>
+<Plumbing Work, partOf, Plumbing Work>
+<Post_Construction Handover, connectedTo, Interior Finishing>
+<Post_Construction Handover, connectedTo, Material Procurement>
+<Post_Construction Handover, connectedTo, Roofing Installation>
+<Post_Construction Handover, measures, Plumbing Work>
+<Punch List Completion, connectedTo, Demolition>
+<Punch List Completion, partOf, Punch List Completion>
+<Risk Assessment, connectedTo, Site Decontamination>
+<Road Construction, connectedTo, Site Planning>
+<Roofing Installation, connectedTo, Material Procurement>
+<Site Decontamination, connectedTo, Blueprint Review>
+<Site Planning, connectedTo, BIM Modeling>
+<Site Planning, connectedTo, Demolition>
+<Site Planning, connectedTo, Equipment Mobilization>
+<Waste Management, connectedTo, Landscape Design>
diff --git a/train/graphviz/hard/graphviz_225.dot b/train/graphviz/hard/graphviz_225.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ddb9b757b8b17f0e803978f03353c8dfe2b7f022
--- /dev/null
+++ b/train/graphviz/hard/graphviz_225.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=TD
+	N0 [label="Media Consumption Trends Analysis" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N1 [label="Content Licensing" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N2 [label="Virtual Reality Content Creation" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N3 [label="Crisis Communication" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N4 [label="Brand Partnerships" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N5 [label="Digital Marketing" color="#FFC085" fillcolor="#FFDAB9" shape=Mdiamond style=filled]
+	N6 [label="Film Production" color="#E91E63" fillcolor="#F8BBD0" shape=Mdiamond style=filled]
+	N7 [label="Copyright Management" color="#E91E63" fillcolor="#F8BBD0" shape=plaintext style=filled]
+	N8 [label=Photojournalism color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#F8BBD0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
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+		nest0_0 [label="Interactive Storytelling" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest0_1 [label="Data Monetization" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
+		nest0_2 [label="Content Moderation" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
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+	}
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+	subgraph cluster_Group1 {
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+		nest1_1 [label=Scriptwriting color="#FFC085" fillcolor="#FFDAB9" shape=plaintext style=filled]
+		nest1_2 [label="Live Streaming" color="#E91E63" fillcolor="#F8BBD0" shape=octagon style=filled]
+		nest1_3 [label="Social Media Management" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
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+	N4 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_227.dot b/train/graphviz/hard/graphviz_227.dot
new file mode 100644
index 0000000000000000000000000000000000000000..87366d6fb7199e1ee07a774ed37caec4e2d455b5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_227.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=LR
+	N0 [label=Journalism color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N1 [label=Broadcasting color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N2 [label="Cross_Platform Syndication" color="#FFC085" fillcolor="#FFDAB9" shape=octagon style=filled]
+	N3 [label="Radio Programming" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N4 [label="Content Licensing" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N5 [label="Talent Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N6 [label="Brand Partnerships" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+	N7 [label="Copyright Management" color="#FFC085" fillcolor="#FFDAB9" shape=folder style=filled]
+	N8 [label="Podcast Production" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N9 [label="Interactive Storytelling" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N10 [label="Data Monetization" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N11 [label="Visual Effects" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N12 [label="Crisis Communication" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	S1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label=Publishing labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Digital Marketing" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest0_1 [label="Social Media Management" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+		nest0_2 [label="Print Layout" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+		nest0_3 [label="Content Moderation" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Analytics Reporting" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Augmented Reality Experiences" color="#FFC085" fillcolor="#FFDAB9" shape=hexagon style=filled]
+		nest1_1 [label=Scriptwriting color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+		nest1_2 [label="Live Streaming" color="#FFDA4E" fillcolor="#FFE88D" shape=plaintext style=filled]
+		nest1_3 [label="Event Organization" color="#A1D7CD" fillcolor="#EDF5F3" shape=Mdiamond style=filled]
+		nest1_0 -> nest1_1 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=publishes color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
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+	N6 -> N7 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N9 -> N10 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
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+	N9 -> nest0_0 [color="#FFDA4E" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N7 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N11 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N5 -> M1 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#FFDA4E" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_229.dot b/train/graphviz/hard/graphviz_229.dot
new file mode 100644
index 0000000000000000000000000000000000000000..497387d0a08c01806d89bfd5e197fd0f03e5155d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_229.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=BT
+	N0 [label="Media Consumption Trends Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="Film Production" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
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+	N4 [label="Platform Development" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N5 [label="Analytics Reporting" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N6 [label=Publishing color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N7 [label="Content Creation" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N8 [label="Print Layout" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N9 [label=Photojournalism color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N10 [label="Live Streaming" color="#61CAC3" fillcolor="#C2E8E6" shape=octagon style=filled]
+	N11 [label="Radio Programming" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N12 [label="Event Organization" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N13 [label=Editing color="#DCE775" fillcolor="#FCFCE7" shape=octagon style=filled]
+	N14 [label="Audience Engagement" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N15 [label="Public Relations" color="#4FC3F7" fillcolor="#E1F5FE" shape=diamond style=filled]
+	N16 [label="Advertising Sales" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N17 [label=Scriptwriting color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N18 [label="Audience Segmentation" color="#4FC3F7" fillcolor="#E1F5FE" shape=plaintext style=filled]
+	N19 [label="Brand Partnerships" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#61CAC3" fillcolor="#C2E8E6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Data Monetization" color="#4FC3F7" fillcolor="#E1F5FE" shape=Mdiamond style=filled]
+		nest0_1 [label="Social Media Management" color="#61CAC3" fillcolor="#C2E8E6" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Visual Effects" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Content Licensing" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+		nest1_1 [label="Cross_Platform Syndication" color="#4FC3F7" fillcolor="#E1F5FE" shape=folder style=filled]
+		nest1_0 -> nest1_1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
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+	N18 -> N19 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
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+	nest0_1 -> N14 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N17 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N14 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	M1 -> N13 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_23.dot b/train/graphviz/hard/graphviz_23.dot
new file mode 100644
index 0000000000000000000000000000000000000000..71c1714c849e4d55e5b58e78f7d4276d01344f67
--- /dev/null
+++ b/train/graphviz/hard/graphviz_23.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=RL
+	N0 [label="Workflow Optimization" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="Quality Control" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N2 [label=Packaging color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N3 [label="Defect Analysis" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N4 [label="Factory Layout Planning" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N5 [label=Assembly color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N6 [label="Bills of Material Generation" color="#9C27B0" fillcolor="#E1BEE7" shape=Mdiamond style=filled]
+	N7 [label=Shipping color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N8 [label="Raw Material" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N9 [label="Design Review" color="#4DB6AC" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N10 [label="Predictive Maintenance" color="#9C27B0" fillcolor="#E1BEE7" shape=octagon style=filled]
+	N11 [label="Automated Guided Vehicle Operation" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N12 [label="Inventory Check" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+	N13 [label="Parts Replacement" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	S0 [label="" color="#4DB6AC" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#4DB6AC" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Machine Calibration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Welding color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+		nest0_1 [label="Product Design" color="#4DB6AC" fillcolor="#E0F2F1" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=repairs color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Recycling Process" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Robotics Integration" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+		nest1_1 [label="Automated Assembly" color="#00BCD4" fillcolor="#B2EBF2" shape=oval style=filled]
+		nest1_2 [label="Ergonomics Assessment" color="#4DB6AC" fillcolor="#E0F2F1" shape=octagon style=filled]
+		nest1_3 [label="Tool Path Generation" color="#4DB6AC" fillcolor="#E0F2F1" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N6 -> N7 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=monitors color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [label=disposes color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [label=forecasts color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N9 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest1_0 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N8 [color="#4DB6AC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S0 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [label=automates color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N1 -> S1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N8 -> M0 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N13 [color="#4DB6AC" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_231.txt b/train/graphviz/hard/graphviz_231.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17227c1881a75b5cbf25d140097f00811cb0dda8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_231.txt
@@ -0,0 +1,38 @@
+<Advertising Sales, connectedTo, Editing>
+<Advertising Sales, connectedTo, Public Relations>
+<Brand Partnerships, connectedTo, Music Recording>
+<Brand Partnerships, partOf, Brand Partnerships>
+<Broadcasting, connectedTo, Data Monetization>
+<Broadcasting, partOf, Broadcasting>
+<Content Moderation, connectedTo, Game Streaming>
+<Copyright Management, connectedTo, Advertising Sales>
+<Copyright Management, connectedTo, Interactive Storytelling>
+<Crisis Communication, connectedTo, Broadcasting>
+<Crisis Communication, connectedTo, Photojournalism>
+<Data Monetization, connectedTo, Editing>
+<Data Monetization, partOf, Data Monetization>
+<Distribution, connectedTo, Scriptwriting>
+<Distribution, partOf, Distribution>
+<Editing, connectedTo, Content Moderation>
+<Editing, interviews, Interactive Storytelling>
+<Event Organization, connectedTo, Public Relations>
+<Game Streaming, narrates, Live Streaming>
+<Interactive Storytelling, connectedTo, Event Organization>
+<Live Streaming, connectedTo, Distribution>
+<Live Streaming, publishes, Sound Design>
+<Music Recording, connectedTo, Interactive Storytelling>
+<Public Relations, connectedTo, Social Media Management>
+<Publishing, connectedTo, Visual Effects>
+<Scriptwriting, connectedTo, Brand Partnerships>
+<Scriptwriting, partOf, Scriptwriting>
+<Social Media Management, connectedTo, Crisis Communication>
+<Sound Design, connectedTo, Crisis Communication>
+<Sound Design, connectedTo, Event Organization>
+<Sound Design, connectedTo, Music Recording>
+<Sound Design, connectedTo, Publishing>
+<Sound Design, connectedTo, Visual Effects>
+<Talent Management, connectedTo, Music Recording>
+<Talent Management, connectedTo, Public Relations>
+<User Generated Content Curation, animates, Copyright Management>
+<Visual Effects, connectedTo, Interactive Storytelling>
+<Visual Effects, connectedTo, Talent Management>
diff --git a/train/graphviz/hard/graphviz_237.dot b/train/graphviz/hard/graphviz_237.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6a9bdf0c0bde4640d4f697367a2f5755d69fea57
--- /dev/null
+++ b/train/graphviz/hard/graphviz_237.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=TD
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diff --git a/train/graphviz/hard/graphviz_238.txt b/train/graphviz/hard/graphviz_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7dc7785c1c196e7b9320ab75ba1a2544214a86fd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_238.txt
@@ -0,0 +1,36 @@
+<Allergen Management, connectedTo, Food Packaging Design>
+<Allergen Management, connectedTo, Food Preparation>
+<Allergen Management, connectedTo, Inventory Management>
+<Allergen Management, connectedTo, New Product Launch>
+<Allergen Management, connectedTo, Supplier Management>
+<Baking, connectedTo, Food Packaging Design>
+<Baking, connectedTo, Waste Reduction>
+<Baking, prepares, Food Packaging Design>
+<Baking, sources, Restaurant Reservation System>
+<Cuisine Innovation, connectedTo, Food Processing Automation>
+<Cuisine Innovation, partOf, Cuisine Innovation>
+<Food Packaging Design, connectedTo, New Product Launch>
+<Food Preparation, connectedTo, Supplier Management>
+<Food Processing Automation, connectedTo, Product Shelf_Life Testing>
+<Food Processing Automation, partOf, Food Processing Automation>
+<Food Safety Inspection, connectedTo, Customer Order Taking>
+<Food Waste Management System, connectedTo, Baking>
+<Food Waste Management System, connectedTo, Food Packaging Design>
+<Food Waste Management System, connectedTo, Food Safety Inspection>
+<Food Waste Management System, connectedTo, New Product Launch>
+<Food Waste Management System, delivers, Customer Order Taking>
+<Ingredient Sourcing, connectedTo, Food Safety Inspection>
+<Ingredient Traceability, connectedTo, Ingredient Sourcing>
+<Ingredient Traceability, partOf, Ingredient Traceability>
+<Inventory Management, connectedTo, Food Waste Management System>
+<New Product Launch, connectedTo, Food Preparation>
+<New Product Launch, connectedTo, Supplier Management>
+<Packaging, connectedTo, Ingredient Traceability>
+<Packaging, partOf, Packaging>
+<Product Shelf_Life Testing, connectedTo, Food Packaging Design>
+<Product Shelf_Life Testing, partOf, Product Shelf_Life Testing>
+<Restaurant Reservation System, connectedTo, Food Packaging Design>
+<Restaurant Reservation System, connectedTo, Packaging>
+<Supplier Management, audits, Ingredient Sourcing>
+<Waste Reduction, connectedTo, Cuisine Innovation>
+<Waste Reduction, partOf, Waste Reduction>
diff --git a/train/graphviz/hard/graphviz_241.txt b/train/graphviz/hard/graphviz_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c7759dd6a450a14fb905cd47f928cb768f41ce7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_241.txt
@@ -0,0 +1,40 @@
+<Anti_Doping Control, connectedTo, Player Transfer>
+<Anti_Doping Control, connectedTo, Stadium Operations>
+<Athlete Brand Management, connectedTo, Fan Club Management>
+<Athlete Brand Management, partOf, Athlete Brand Management>
+<Athlete Performance Tracking, partOf, Athlete Performance Tracking>
+<Athlete Performance Tracking, responds, League Management>
+<Coaching, connectedTo, Anti_Doping Control>
+<Coaching, connectedTo, Stadium Operations>
+<Coaching, connectedTo, Training Session>
+<Event Broadcasting, connectedTo, Game Strategy>
+<Event Broadcasting, connectedTo, Scorekeeping>
+<Event Broadcasting, connectedTo, Sports Medicine>
+<Event Broadcasting, connectedTo, Stadium Operations>
+<Event Broadcasting, connectedTo, Talent Scouting>
+<Event Broadcasting, markets, Anti_Doping Control>
+<Fan Club Management, loses, Game Strategy>
+<Fan Club Management, partOf, Fan Club Management>
+<Fitness Conditioning, builds, Athlete Brand Management>
+<Fitness Conditioning, partOf, Fitness Conditioning>
+<Game Strategy, connectedTo, Talent Scouting>
+<Game Strategy, equips, Fitness Conditioning>
+<Game Strategy, records, Athlete Performance Tracking>
+<League Management, connectedTo, Sports Technology Integration>
+<League Management, partOf, League Management>
+<Player Transfer, connectedTo, Scorekeeping>
+<Player Transfer, connectedTo, Stadium Operations>
+<Rule Enforcement, connectedTo, Event Broadcasting>
+<Rule Enforcement, partOf, Rule Enforcement>
+<Scorekeeping, connectedTo, Sports Medicine>
+<Scorekeeping, connectedTo, Stadium Operations>
+<Scorekeeping, connectedTo, Talent Scouting>
+<Scorekeeping, connectedTo, Ticketing Sales>
+<Sports Medicine, licenses, Game Strategy>
+<Sports Technology Integration, connectedTo, Rule Enforcement>
+<Sports Technology Integration, partOf, Sports Technology Integration>
+<Stadium Operations, connectedTo, Sports Medicine>
+<Talent Scouting, connectedTo, Ticketing Sales>
+<Training Session, connectedTo, Anti_Doping Control>
+<Training Session, connectedTo, Event Broadcasting>
+<Training Session, connectedTo, Stadium Operations>
diff --git a/train/graphviz/hard/graphviz_242.dot b/train/graphviz/hard/graphviz_242.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0056fa06830d6e5ecd4cbf2e84b3ddc808539000
--- /dev/null
+++ b/train/graphviz/hard/graphviz_242.dot
@@ -0,0 +1,69 @@
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diff --git a/train/graphviz/hard/graphviz_242.txt b/train/graphviz/hard/graphviz_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ea3c8bc874c6987e4321628d664ca1607c59deb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_242.txt
@@ -0,0 +1,38 @@
+<Accessibility in Sports Venues, connectedTo, Game Strategy>
+<Accessibility in Sports Venues, connectedTo, Player Recruitment>
+<Accessibility in Sports Venues, connectedTo, Scorekeeping>
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diff --git a/train/graphviz/hard/graphviz_244.dot b/train/graphviz/hard/graphviz_244.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dbf33d72cc122c488076bf01f598ff7d42c82167
--- /dev/null
+++ b/train/graphviz/hard/graphviz_244.dot
@@ -0,0 +1,76 @@
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+	N13 -> N14 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest1_0 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N6 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S0 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [label=medicates color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S1 [color="#73C6BC" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N8 -> M0 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N13 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_245.txt b/train/graphviz/hard/graphviz_245.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6dcfa6a930ab8ff96baed0afd43cb019e5af3270
--- /dev/null
+++ b/train/graphviz/hard/graphviz_245.txt
@@ -0,0 +1,38 @@
+<Accessibility in Sports Venues, connectedTo, Talent Scouting>
+<Anti_Doping Control, connectedTo, League Management>
+<Athlete Nutrition Planning, connectedTo, Sports Analytics>
+<Community Sports Programs, connectedTo, Esports Event Management>
+<Data Analytics in Sports, connectedTo, Anti_Doping Control>
+<Data Analytics in Sports, partOf, Data Analytics in Sports>
+<Esports Event Management, connectedTo, Ticketing Sales>
+<Esports Event Management, connectedTo, Youth Development Programs>
+<Event Broadcasting, connectedTo, Sports Betting Regulation>
+<Event Broadcasting, connectedTo, Sports Psychology>
+<Fan Engagement, connectedTo, Talent Scouting>
+<Fan Engagement, partOf, Fan Engagement>
+<Injury Management, connectedTo, League Management>
+<Injury Management, connectedTo, Media Rights Negotiation>
+<League Management, connectedTo, Athlete Nutrition Planning>
+<League Management, connectedTo, Merchandise Sales>
+<Match Play, connectedTo, Scorekeeping>
+<Media Rights Negotiation, connectedTo, Esports Event Management>
+<Media Rights Negotiation, connectedTo, Scorekeeping>
+<Media Rights Negotiation, judges, Tournament Organization>
+<Merchandise Sales, sells, Rule Enforcement>
+<Rule Enforcement, connectedTo, Match Play>
+<Scorekeeping, connectedTo, Accessibility in Sports Venues>
+<Sports Analytics, connectedTo, Merchandise Sales>
+<Sports Analytics, regulates, Event Broadcasting>
+<Sports Betting Regulation, connectedTo, Data Analytics in Sports>
+<Sports Betting Regulation, partOf, Sports Betting Regulation>
+<Sports Psychology, sponsors, Merchandise Sales>
+<Ticketing Sales, develops, Fan Engagement>
+<Ticketing Sales, partOf, Ticketing Sales>
+<Tournament Organization, connectedTo, Community Sports Programs>
+<Training Session, connectedTo, Anti_Doping Control>
+<Training Session, connectedTo, Injury Management>
+<Training Session, connectedTo, Match Play>
+<Training Session, connectedTo, Sports Analytics>
+<Training Session, maintains, Merchandise Sales>
+<Youth Development Programs, connectedTo, Anti_Doping Control>
+<Youth Development Programs, connectedTo, League Management>
diff --git a/train/graphviz/hard/graphviz_246.txt b/train/graphviz/hard/graphviz_246.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04575fd8e0f1942a04cbc75c195f154d97610117
--- /dev/null
+++ b/train/graphviz/hard/graphviz_246.txt
@@ -0,0 +1,35 @@
+<Coaching, connectedTo, Sports Marketing>
+<Community Sports Programs, connectedTo, Scorekeeping>
+<Esports Event Management, connectedTo, Coaching>
+<Esports Event Management, connectedTo, Event Broadcasting>
+<Event Broadcasting, broadcasts, Player Transfer>
+<Injury Management, connectedTo, Rule Enforcement>
+<Injury Management, partOf, Injury Management>
+<Media Rights Negotiation, connectedTo, Community Sports Programs>
+<Media Rights Negotiation, partOf, Media Rights Negotiation>
+<Player Transfer, connectedTo, Coaching>
+<Rule Enforcement, connectedTo, Youth Development Programs>
+<Rule Enforcement, partOf, Rule Enforcement>
+<Scorekeeping, connectedTo, League Management>
+<Sports Betting Regulation, connectedTo, Coaching>
+<Sports Betting Regulation, connectedTo, Sports Psychology>
+<Sports Marketing, connectedTo, Injury Management>
+<Sports Marketing, connectedTo, Training Session>
+<Sports Psychology, connectedTo, Coaching>
+<Sports Psychology, connectedTo, Sports Technology Integration>
+<Sports Technology Integration, connectedTo, League Management>
+<Sports Technology Integration, connectedTo, Sports Marketing>
+<Sports Technology Integration, tracks, Esports Event Management>
+<Talent Scouting, connectedTo, Community Sports Programs>
+<Ticketing Sales, connectedTo, Venue Booking>
+<Ticketing Sales, partOf, Ticketing Sales>
+<Training Session, connectedTo, Community Sports Programs>
+<Training Session, connectedTo, League Management>
+<Training Session, connectedTo, Scorekeeping>
+<Training Session, connectedTo, Talent Scouting>
+<Training Session, connectedTo, Ticketing Sales>
+<Training Session, secures, Community Sports Programs>
+<Venue Booking, connectedTo, Media Rights Negotiation>
+<Venue Booking, partOf, Venue Booking>
+<Youth Development Programs, connectedTo, Player Transfer>
+<Youth Development Programs, partOf, Youth Development Programs>
diff --git a/train/graphviz/hard/graphviz_248.dot b/train/graphviz/hard/graphviz_248.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9384fa6617baaa960a41e8d36d5acbc525d18a5f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_248.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=BT
+	N0 [label="League Management" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Community Sports Programs" color="#3F51B5" fillcolor="#C5CAE9" shape=parallelogram style=filled]
+	N2 [label="Athlete Nutrition Planning" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N3 [label="Merchandise Sales" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N4 [label="Stadium Operations" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N5 [label="Sponsorship Management" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N6 [label="Venue Booking" color="#8C9EFF" fillcolor="#D3D7EB" shape=plaintext style=filled]
+	N7 [label="Training Session" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N8 [label="Fan Club Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=plaintext style=filled]
+	N9 [label="Match Play" color="#8C9EFF" fillcolor="#D3D7EB" shape=folder style=filled]
+	N10 [label="Esports Event Management" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N11 [label="Player Recruitment" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N12 [label="Event Broadcasting" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N13 [label="Game Strategy" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N14 [label="Data Analytics in Sports" color="#8C9EFF" fillcolor="#D3D7EB" shape=Mdiamond style=filled]
+	N15 [label="Youth Development Programs" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
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+	S2 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M2 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Rule Enforcement" color="#8C9EFF" fillcolor="#D3D7EB" shape=parallelogram style=filled]
+		nest0_1 [label="Fan Experience Enhancement" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+		nest0_2 [label=Scorekeeping color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Player Transfer" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Athlete Performance Tracking" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+		nest1_1 [label=Coaching color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+		nest1_2 [label="Team Management" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest1_3 [label="Athlete Brand Management" color="#F06292" fillcolor="#FCE4EC" shape=plaintext style=filled]
+		nest1_0 -> nest1_1 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F06292" dir=forward penwidth=1.5 style=solid]
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+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N12 -> N13 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#F06292" dir=forward penwidth=1.5 style=solid]
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+	N11 -> M2 [color="#8C9EFF" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_249.dot b/train/graphviz/hard/graphviz_249.dot
new file mode 100644
index 0000000000000000000000000000000000000000..022f43d7e2cd29655a10511c4272ac6bd897fbd6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_249.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=TD
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+	N5 [label="Customer Loyalty Programs" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N6 [label="Footwear Production" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N7 [label="Brand Licensing" color="#66BB6A" fillcolor="#E8F5E9" shape=plaintext style=filled]
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+	N9 [label="Sustainable Fashion Practices" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
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+	N11 [label=Packaging color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N12 [label="Seasonal Collection Planning" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N13 [label="Trend Research" color="#66BB6A" fillcolor="#E8F5E9" shape=plaintext style=filled]
+	N14 [label="Textile Manufacturing" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
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+	N16 [label="Fabric Innovation" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#F8BBD0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Material Sourcing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Garment Production" color="#66BB6A" fillcolor="#E8F5E9" shape=diamond style=filled]
+		nest0_1 [label="Color Palette Selection" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
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+		nest1_3 [label="Supply Chain Transparency" color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
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+	N1 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N11 [color="#66BB6A" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=innovates color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [label=complies color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_250.dot b/train/graphviz/hard/graphviz_250.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9c1d608ede131db6761b7c7b91940746222949b8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_250.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=RL
+	N0 [label="Retail Sales" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N1 [label="Garment Fitting Session" color="#6FE1D5" fillcolor="#C9EFEC" shape=Mdiamond style=filled]
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diff --git a/train/graphviz/hard/graphviz_253.txt b/train/graphviz/hard/graphviz_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6c7199c18cbc44c65ad2bef1527bcb459b6f78f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_253.txt
@@ -0,0 +1,43 @@
+<Brand Licensing, connectedTo, Styling>
+<Customer Loyalty Programs, connectedTo, Marketing Campaign>
+<Customer Loyalty Programs, partOf, Customer Loyalty Programs>
+<Design Sketching, connectedTo, Brand Licensing>
+<E_commerce Management, connectedTo, Return Processing>
+<Fashion Show Production, connectedTo, Sample Creation>
+<Fashion Show Production, partOf, Fashion Show Production>
+<Footwear Production, connectedTo, Packaging>
+<Footwear Production, markets, Fashion Show Production>
+<Garment Fitting Session, connectedTo, Color Palette Selection>
+<Global Sourcing Strategy, connectedTo, E_commerce Management>
+<Global Sourcing Strategy, connectedTo, Garment Fitting Session>
+<Global Sourcing Strategy, connectedTo, Intellectual Property Protection>
+<Global Sourcing Strategy, connectedTo, Inventory Management>
+<Global Sourcing Strategy, sews, Color Palette Selection>
+<Influencer Collaboration, connectedTo, Inventory Management>
+<Intellectual Property Protection, connectedTo, Influencer Collaboration>
+<Inventory Management, connectedTo, Retail Store Merchandising>
+<Marketing Campaign, connectedTo, Trend Research>
+<Marketing Campaign, partOf, Marketing Campaign>
+<Material Sourcing, connectedTo, Design Sketching>
+<Material Sourcing, connectedTo, Supply Chain Transparency>
+<Packaging, connectedTo, E_commerce Management>
+<Packaging, connectedTo, Global Sourcing Strategy>
+<Packaging, connectedTo, Intellectual Property Protection>
+<Packaging, connectedTo, Quality Check>
+<Product Photography, connectedTo, Design Sketching>
+<Product Photography, connectedTo, Global Sourcing Strategy>
+<Product Photography, connectedTo, Material Sourcing>
+<Quality Check, connectedTo, Wholesale Distribution>
+<Retail Store Merchandising, connectedTo, Garment Fitting Session>
+<Return Processing, connectedTo, Intellectual Property Protection>
+<Sample Creation, connectedTo, Textile Manufacturing>
+<Sample Creation, partOf, Sample Creation>
+<Styling, connectedTo, Footwear Production>
+<Supply Chain Transparency, connectedTo, Customer Loyalty Programs>
+<Supply Chain Transparency, connectedTo, Design Sketching>
+<Supply Chain Transparency, connectedTo, Textile Manufacturing>
+<Textile Manufacturing, connectedTo, Design Sketching>
+<Textile Manufacturing, innovates, Global Sourcing Strategy>
+<Trend Research, connectedTo, Brand Licensing>
+<Trend Research, partOf, Trend Research>
+<Wholesale Distribution, connectedTo, Global Sourcing Strategy>
diff --git a/train/graphviz/hard/graphviz_254.dot b/train/graphviz/hard/graphviz_254.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fa1dd15c529048abff157efa5f9e4486390a2cca
--- /dev/null
+++ b/train/graphviz/hard/graphviz_254.dot
@@ -0,0 +1,67 @@
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diff --git a/train/graphviz/hard/graphviz_259.dot b/train/graphviz/hard/graphviz_259.dot
new file mode 100644
index 0000000000000000000000000000000000000000..22fb0ee246a6dc8d2bb8f26aa7584b0cebe39c0b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_259.dot
@@ -0,0 +1,86 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_26.dot b/train/graphviz/hard/graphviz_26.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6ccb1aac78b8668faed5518f313d85882e46f365
--- /dev/null
+++ b/train/graphviz/hard/graphviz_26.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=LR
+	N0 [label="Career Services" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Graduation Approval" color="#4DD0E1" fillcolor="#C9F0F0" shape=parallelogram style=filled]
+	N2 [label="Attendance Tracking" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N3 [label="Lecture Delivery" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N4 [label="Parent_Teacher Conference" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N5 [label="Special Education Support" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="School Accreditation" color="#92C79A" fillcolor="#E8F0EA" shape=ellipse style=filled]
+	N7 [label="Course Material Preparation" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N8 [label="Assignment Submission" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N9 [label="Certificate Issuance" color="#92C79A" fillcolor="#E8F0EA" shape=parallelogram style=filled]
+	N10 [label="Transcript Issuance" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N11 [label="Alumni Network Management" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S1 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#92C79A" fillcolor="#E8F0EA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Course Selection" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Counseling Session" color="#92C79A" fillcolor="#E8F0EA" shape=octagon style=filled]
+		nest0_1 [label="Study Abroad Program" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Student Enrollment" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Club Registration" color="#FFF176" fillcolor="#FFFDE7" shape=oval style=filled]
+		nest1_1 [label="Faculty Recruitment" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+		nest1_2 [label="Peer Tutoring" color="#FFF176" fillcolor="#FFFDE7" shape=Mdiamond style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=supports color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [label=schedules color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=evaluates color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#92C79A" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest1_0 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N7 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N3 -> S2 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	S2 -> N6 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N5 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [label=analyzes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M2 -> N4 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_261.txt b/train/graphviz/hard/graphviz_261.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cd014890849597b5c9931aeb32cce6d2ca8ddb9e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_261.txt
@@ -0,0 +1,38 @@
+<Candidate Sourcing, connectedTo, Employee Engagement Surveys>
+<Candidate Sourcing, connectedTo, Performance Appraisal>
+<Candidate Sourcing, predicts, Change Management>
+<Change Management, partOf, Change Management>
+<Change Management, promotes, Talent Management>
+<Compensation and Benefits, connectedTo, Union Negotiations>
+<Compensation and Benefits, partOf, Compensation and Benefits>
+<Compliance Management, connectedTo, Candidate Sourcing>
+<Compliance Management, connectedTo, Conflict Resolution>
+<Compliance Management, connectedTo, Offer Management>
+<Compliance Management, connectedTo, Team Building Activities>
+<Conflict Resolution, connectedTo, Team Building Activities>
+<Employee Engagement Surveys, connectedTo, Conflict Resolution>
+<Employee Recognition Programs, connectedTo, Employee Engagement Surveys>
+<Employee Recognition Programs, connectedTo, Union Negotiations>
+<Exit Interviews, connectedTo, Compliance Management>
+<Exit Interviews, connectedTo, Employee Recognition Programs>
+<HR Analytics, connectedTo, Skill Development Programs>
+<HR Analytics, partOf, HR Analytics>
+<Health and Safety Management, connectedTo, Compliance Management>
+<Leadership Training, connectedTo, Work_Life Balance Initiatives>
+<Leadership Training, partOf, Leadership Training>
+<Offer Management, connectedTo, Leadership Training>
+<Offer Management, partOf, Offer Management>
+<Payroll Processing, connectedTo, Compliance Management>
+<Payroll Processing, connectedTo, Employee Engagement Surveys>
+<Payroll Processing, connectedTo, Health and Safety Management>
+<Performance Appraisal, connectedTo, Employee Engagement Surveys>
+<Skill Development Programs, connectedTo, Payroll Processing>
+<Skill Development Programs, partOf, Skill Development Programs>
+<Talent Management, connectedTo, HR Analytics>
+<Talent Management, partOf, Talent Management>
+<Team Building Activities, connectedTo, Employee Handbook Creation>
+<Union Negotiations, connectedTo, Candidate Sourcing>
+<Union Negotiations, connectedTo, Payroll Processing>
+<Union Negotiations, trains, Employee Handbook Creation>
+<Work_Life Balance Initiatives, connectedTo, Compensation and Benefits>
+<Work_Life Balance Initiatives, partOf, Work_Life Balance Initiatives>
diff --git a/train/graphviz/hard/graphviz_265.dot b/train/graphviz/hard/graphviz_265.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3632b93a7bc1dc11b36c8b4d482bd19bd43f4f1a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_265.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=LR
+	N0 [label="Recruitment Marketing" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N1 [label="Social Recruiting" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N2 [label="Contingent Workforce Management" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N3 [label="Executive Search" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N4 [label="Candidate Feedback Collection" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N5 [label="Psychometric Testing" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N6 [label="Competency_Based Interviewing" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N7 [label="Video Interviewing" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N8 [label="Job Description Creation" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N9 [label="Internal Mobility" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	S1 [label="" color="#FFE470" fillcolor="#FFFAE0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FFF176" fillcolor="#FFFDE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Recruitment Process Outsourcing Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Interview Conducting" color="#FFE470" fillcolor="#FFFAE0" shape=folder style=filled]
+		nest0_1 [label="Offer Extension" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+		nest0_2 [label="Global Recruitment Strategy" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+		nest0_3 [label="Job Fair Organization" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=assesses color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Candidate Screening" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Candidate Experience Management" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+		nest1_1 [label="Freelancer Engagement" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+		nest1_2 [label="Employer Branding" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=posts color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N9 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest1_0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N7 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#FFF176" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	M0 -> N8 [color="#FFE470" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [label=matches color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N8 [color="#FFE470" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_267.dot b/train/graphviz/hard/graphviz_267.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a3572c90fc8b9cdb0636af9c80be6d69869e9d11
--- /dev/null
+++ b/train/graphviz/hard/graphviz_267.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=TD
+	N0 [label="Interview Conducting" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N1 [label="Applicant Tracking System Management" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N2 [label="Candidate Screening" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N3 [label="Candidate Feedback Collection" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N4 [label="Contingent Workforce Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N5 [label="Background Check" color="#4FC3F7" fillcolor="#E1F5FE" shape=folder style=filled]
+	N6 [label=Negotiation color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N7 [label="Employer Branding" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N8 [label="Candidate Experience Management" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N9 [label="Recruiter Training" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N10 [label="Competency_Based Interviewing" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N11 [label="Recruitment Marketing" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N12 [label="Psychometric Testing" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N13 [label="Social Recruiting" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#E0F7FA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Job Description Creation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Onboarding Handoff" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+		nest0_1 [label="Temporary Staffing" color="#00BCD4" fillcolor="#E0F7FA" shape=Mdiamond style=filled]
+		nest0_2 [label="Campus Recruitment" color="#00BCD4" fillcolor="#E0F7FA" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [label=personalizes color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Candidate Relationship Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Recruitment Process Outsourcing Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+		nest1_1 [label="Freelancer Engagement" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label=verifies color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N8 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest1_0 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N11 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N9 -> S0 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [label=automates color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [label=protects color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	M2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_267.txt b/train/graphviz/hard/graphviz_267.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca23ccdf0c172af2078f4c7c25630f0fbec9d45a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_267.txt
@@ -0,0 +1,32 @@
+<Applicant Tracking System Management, connectedTo, Candidate Screening>
+<Applicant Tracking System Management, connectedTo, Onboarding Handoff>
+<Background Check, connectedTo, Negotiation>
+<Campus Recruitment, connectedTo, Candidate Experience Management>
+<Campus Recruitment, partOf, Campus Recruitment>
+<Candidate Experience Management, connectedTo, Recruiter Training>
+<Candidate Experience Management, connectedTo, Recruitment Marketing>
+<Candidate Experience Management, connectedTo, Social Recruiting>
+<Candidate Feedback Collection, connectedTo, Contingent Workforce Management>
+<Candidate Feedback Collection, connectedTo, Recruiter Training>
+<Candidate Feedback Collection, connectedTo, Recruitment Process Outsourcing Management>
+<Candidate Screening, verifies, Candidate Feedback Collection>
+<Competency_Based Interviewing, connectedTo, Recruitment Marketing>
+<Contingent Workforce Management, connectedTo, Background Check>
+<Contingent Workforce Management, protects, Recruiter Training>
+<Employer Branding, connectedTo, Candidate Experience Management>
+<Freelancer Engagement, connectedTo, Recruitment Marketing>
+<Freelancer Engagement, partOf, Freelancer Engagement>
+<Interview Conducting, connectedTo, Applicant Tracking System Management>
+<Interview Conducting, connectedTo, Recruiter Training>
+<Negotiation, connectedTo, Employer Branding>
+<Onboarding Handoff, connectedTo, Temporary Staffing>
+<Onboarding Handoff, partOf, Onboarding Handoff>
+<Psychometric Testing, connectedTo, Social Recruiting>
+<Recruiter Training, automates, Psychometric Testing>
+<Recruiter Training, connectedTo, Competency_Based Interviewing>
+<Recruiter Training, connectedTo, Recruitment Marketing>
+<Recruitment Marketing, connectedTo, Psychometric Testing>
+<Recruitment Process Outsourcing Management, connectedTo, Freelancer Engagement>
+<Recruitment Process Outsourcing Management, partOf, Recruitment Process Outsourcing Management>
+<Temporary Staffing, partOf, Temporary Staffing>
+<Temporary Staffing, personalizes, Campus Recruitment>
diff --git a/train/graphviz/hard/graphviz_268.dot b/train/graphviz/hard/graphviz_268.dot
new file mode 100644
index 0000000000000000000000000000000000000000..66859217e7199f639132879b32ac1be42e48e33f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_268.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=TD
+	N0 [label="Onboarding Handoff" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N1 [label="Job Fair Organization" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N2 [label="Interview Conducting" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N3 [label="Background Check" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N4 [label="Recruitment Analytics" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N5 [label="Diversity Sourcing" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
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+	N11 [label="Social Recruiting" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
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+	subgraph cluster_Group0 {
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+		nest0_0 [label="Candidate Assessment Design" color="#5C6BC0" fillcolor="#E8EAF6" shape=octagon style=filled]
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+	subgraph cluster_Group1 {
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+		nest1_1 [label="Global Recruitment Strategy" color="#FFDA4E" fillcolor="#FFE88D" shape=diamond style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_271.dot b/train/graphviz/hard/graphviz_271.dot
new file mode 100644
index 0000000000000000000000000000000000000000..85c7837526bbe839a9926fa56fcd99cfa034acc8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_271.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=BT
+	N0 [label="Candidate Feedback Collection" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_271.txt b/train/graphviz/hard/graphviz_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..682282e3b082f07c4eb245d21df608f0d75bc4a0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_271.txt
@@ -0,0 +1,39 @@
+<Candidate Assessment Design, connectedTo, Candidate Experience Management>
+<Candidate Assessment Design, connectedTo, Reference Checking>
+<Candidate Assessment Design, connectedTo, Temporary Staffing>
+<Candidate Experience Management, connectedTo, Psychometric Testing>
+<Candidate Feedback Collection, connectedTo, Reference Checking>
+<Candidate Feedback Collection, optimizes, Global Recruitment Strategy>
+<Competency_Based Interviewing, connectedTo, Candidate Assessment Design>
+<Competency_Based Interviewing, partOf, Competency_Based Interviewing>
+<Contingent Workforce Management, connectedTo, Interview Conducting>
+<Contingent Workforce Management, partOf, Contingent Workforce Management>
+<Executive Search, connectedTo, Onboarding Handoff>
+<Executive Search, partOf, Executive Search>
+<Freelancer Engagement, connectedTo, Executive Search>
+<Freelancer Engagement, connectedTo, Recruitment Metrics Reporting>
+<Global Recruitment Strategy, connectedTo, Headhunting>
+<Headhunting, complies, Recruitment Marketing>
+<Internal Mobility, connectedTo, Contingent Workforce Management>
+<Internal Mobility, partOf, Internal Mobility>
+<Interview Conducting, partOf, Interview Conducting>
+<Interview Conducting, places, Recruiter Training>
+<Onboarding Handoff, connectedTo, Competency_Based Interviewing>
+<Onboarding Handoff, partOf, Onboarding Handoff>
+<Psychometric Testing, connectedTo, Reference Checking>
+<Recruiter Training, connectedTo, Candidate Experience Management>
+<Recruiter Training, partOf, Recruiter Training>
+<Recruitment Analytics, connectedTo, Candidate Experience Management>
+<Recruitment Marketing, connectedTo, Candidate Assessment Design>
+<Recruitment Marketing, connectedTo, Internal Mobility>
+<Recruitment Marketing, connectedTo, Psychometric Testing>
+<Recruitment Marketing, connectedTo, Temporary Staffing>
+<Recruitment Marketing, refers, Freelancer Engagement>
+<Recruitment Metrics Reporting, connectedTo, Candidate Experience Management>
+<Recruitment Metrics Reporting, networks, Recruitment Analytics>
+<Reference Checking, connectedTo, Recruitment Process Outsourcing Management>
+<Temporary Staffing, connectedTo, Candidate Experience Management>
+<Temporary Staffing, connectedTo, Freelancer Engagement>
+<Temporary Staffing, connectedTo, Psychometric Testing>
+<Temporary Staffing, connectedTo, Recruitment Process Outsourcing Management>
+<Temporary Staffing, connectedTo, Reference Checking>
diff --git a/train/graphviz/hard/graphviz_272.dot b/train/graphviz/hard/graphviz_272.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b225347fd860c2c0cf2c8ecafd37f775778359f3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_272.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=BT
+	N0 [label="Offer Extension" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label=Negotiation color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N2 [label="Employee Referral Program" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N3 [label="Global Recruitment Strategy" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N4 [label="Recruitment Process Outsourcing Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
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+	N12 [label="Interview Panel Coordination" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
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+	}
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+		nest1_1 [label="Onboarding Handoff" color="#FFF9AE" fillcolor="#FFFCE6" shape=plaintext style=filled]
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+	nest1_0 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N14 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_273.dot b/train/graphviz/hard/graphviz_273.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e64ba4e6e4b163cdccceeafd887df0e50dbaa1c4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_273.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=RL
+	N0 [label="Cross_selling Opportunities" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N1 [label="Account Management" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
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+	N3 [label="Up_selling Opportunities" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
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+	N5 [label="Post_Service Follow_up" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
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+	N9 [label="Customer Onboarding Support" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N10 [label="Refund Processing" color="#CFCFCF" fillcolor="#F6F6F6" shape=hexagon style=filled]
+	N11 [label="Complaint Resolution" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N12 [label="Feedback Collection" color="#CFCFCF" fillcolor="#F6F6F6" shape=octagon style=filled]
+	N13 [label="Multilingual Support" color="#FFC2C2" fillcolor="#FFEBEB" shape=plaintext style=filled]
+	N14 [label="Service Level Agreement Monitoring" color="#FFC2C2" fillcolor="#FFEBEB" shape=folder style=filled]
+	N15 [label="Customer Retention Strategies" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N16 [label="Customer Relationship Management System Use" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Customer Journey Mapping" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Call Center Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=Mdiamond style=filled]
+		nest0_1 [label="Technical Support" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Order Status Check" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Personalized Assistance" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+		nest1_1 [label="Virtual Assistant Interaction" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+		nest1_0 -> nest1_1 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
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+	N5 -> N6 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=collects color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label=exchanges color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> nest0_0 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N11 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest1_0 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N3 [label=personals color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N9 -> S0 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	S0 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S1 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFC2C2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M1 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_275.txt b/train/graphviz/hard/graphviz_275.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3bac2346b51574d5df33af1c42c299bbf3f5c3d6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_275.txt
@@ -0,0 +1,35 @@
+<Account Management, connectedTo, Knowledge Base Creation>
+<Call Center Management, connectedTo, Customer Journey Mapping>
+<Call Center Management, partOf, Call Center Management>
+<Complaint Trend Analysis, connectedTo, Customer Journey Mapping>
+<Complaint Trend Analysis, connectedTo, Live Chat Support>
+<Complaint Trend Analysis, connectedTo, Social Media Response>
+<Complaint Trend Analysis, improves, Knowledge Base Creation>
+<Customer Journey Mapping, connectedTo, Live Chat Support>
+<Customer Journey Mapping, connectedTo, Service Recovery>
+<Customer Relationship Management System Use, connectedTo, Customer Satisfaction Survey>
+<Customer Satisfaction Survey, connectedTo, Phone Support>
+<FAQ Management, connectedTo, First Contact Resolution Optimization>
+<FAQ Management, connectedTo, Issue Escalation>
+<FAQ Management, connectedTo, Knowledge Base Creation>
+<FAQ Management, supports, Customer Journey Mapping>
+<First Contact Resolution Optimization, connectedTo, Account Management>
+<First Contact Resolution Optimization, guides, Knowledge Base Creation>
+<First Contact Resolution Optimization, refunds, Issue Escalation>
+<Issue Escalation, connectedTo, Account Management>
+<Live Chat Support, connectedTo, First Contact Resolution Optimization>
+<Live Chat Support, connectedTo, Technical Support>
+<Multilingual Support, connectedTo, Knowledge Base Creation>
+<Multilingual Support, partOf, Multilingual Support>
+<Order Status Check, connectedTo, FAQ Management>
+<Phone Support, connectedTo, Complaint Trend Analysis>
+<Self_Service Portal Management, connectedTo, Issue Escalation>
+<Self_Service Portal Management, empathizes, Order Status Check>
+<Service Blueprinting, connectedTo, Call Center Management>
+<Service Blueprinting, partOf, Service Blueprinting>
+<Service Recovery, chats, Service Blueprinting>
+<Service Recovery, partOf, Service Recovery>
+<Social Media Response, connectedTo, Training Customer Service Agents>
+<Technical Support, connectedTo, Multilingual Support>
+<Technical Support, partOf, Technical Support>
+<Training Customer Service Agents, connectedTo, Self_Service Portal Management>
diff --git a/train/graphviz/hard/graphviz_276.dot b/train/graphviz/hard/graphviz_276.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d91658c05bc8b9aef17ef88a75972b6d751cfbc3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_276.dot
@@ -0,0 +1,80 @@
+digraph {
+	rankdir=TD
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+	N1 [label="Feedback Loop to Product Development" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
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+	N3 [label="Customer Onboarding Support" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N4 [label="Inquiry Handling" color="#81C784" fillcolor="#F1F8E9" shape=folder style=filled]
+	N5 [label="Call Center Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N6 [label="Accessibility Support" color="#9FA9E1" fillcolor="#D6D9F0" shape=octagon style=filled]
+	N7 [label="Customer Relationship Management System Use" color="#FFF9AE" fillcolor="#FFFCE6" shape=plaintext style=filled]
+	N8 [label="Social Media Response" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
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+	N11 [label="Complaint Resolution" color="#9FA9E1" fillcolor="#D6D9F0" shape=octagon style=filled]
+	N12 [label="Cross_selling Opportunities" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N13 [label="Customer Loyalty Program Support" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N14 [label="Sentiment Analysis" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N15 [label="Up_selling Opportunities" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N16 [label="Post_Service Follow_up" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N17 [label="Complaint Trend Analysis" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	S0 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+		nest0_1 [label="Account Management" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Knowledge Base Creation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Customer Retention Strategies" color="#81C784" fillcolor="#F1F8E9" shape=octagon style=filled]
+		nest1_1 [label="Technical Support" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest1_2 [label="Self_Service Portal Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+		nest1_0 -> nest1_1 [label=empathizes color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N6 -> N7 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
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+	N1 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N17 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [label=processes color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N9 -> M1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	M1 -> N15 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N11 -> M2 [label=escalates color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N10 -> M2 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M2 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	M2 -> N16 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_277.dot b/train/graphviz/hard/graphviz_277.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5daf5c799f261422176d2b0ee9fcb4705cb8cdbe
--- /dev/null
+++ b/train/graphviz/hard/graphviz_277.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=RL
+	N0 [label="Training Customer Service Agents" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Service Blueprinting" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N2 [label="Sentiment Analysis" color="#FFC107" fillcolor="#FFECB3" shape=hexagon style=filled]
+	N3 [label="Proactive Communication" color="#C0CA33" fillcolor="#F9FBE7" shape=box style=filled]
+	N4 [label="Up_selling Opportunities" color="#C0CA33" fillcolor="#F9FBE7" shape=octagon style=filled]
+	N5 [label="First Contact Resolution Optimization" color="#FFC107" fillcolor="#FFECB3" shape=octagon style=filled]
+	N6 [label="Multilingual Support" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
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+	}
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+	subgraph cluster_Group1 {
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+		nest1_2 [label="Call Center Management" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+		nest1_3 [label="Email Support" color="#FFC107" fillcolor="#FFECB3" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFA726" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#FFC107" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [label=educates color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	}
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+	S2 -> N5 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=listens color="#FFC107" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_277.txt b/train/graphviz/hard/graphviz_277.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a816414e07f01422e1ede01d2cb6150351dfbe6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_277.txt
@@ -0,0 +1,33 @@
+<Call Center Management, educates, Email Support>
+<Call Center Management, partOf, Call Center Management>
+<Customer Journey Mapping, connectedTo, Customer Onboarding Support>
+<Customer Journey Mapping, connectedTo, Self_Service Portal Management>
+<Customer Onboarding Support, connectedTo, Knowledge Base Creation>
+<Customer Onboarding Support, partOf, Customer Onboarding Support>
+<Customer Retention Strategies, connectedTo, Issue Escalation>
+<Customer Retention Strategies, partOf, Customer Retention Strategies>
+<Email Support, connectedTo, Post_Service Follow_up>
+<Email Support, partOf, Email Support>
+<First Contact Resolution Optimization, complies, Multilingual Support>
+<Issue Escalation, connectedTo, Call Center Management>
+<Issue Escalation, partOf, Issue Escalation>
+<Knowledge Base Creation, connectedTo, Multilingual Support>
+<Knowledge Base Creation, partOf, Knowledge Base Creation>
+<Multilingual Support, connectedTo, Customer Journey Mapping>
+<Multilingual Support, connectedTo, Post_Service Follow_up>
+<Post_Service Follow_up, connectedTo, Customer Journey Mapping>
+<Proactive Communication, connectedTo, Customer Journey Mapping>
+<Proactive Communication, connectedTo, First Contact Resolution Optimization>
+<Proactive Communication, connectedTo, Post_Service Follow_up>
+<Proactive Communication, personals, Up_selling Opportunities>
+<Sentiment Analysis, connectedTo, Customer Retention Strategies>
+<Sentiment Analysis, connectedTo, Proactive Communication>
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+<Training Customer Service Agents, connectedTo, Post_Service Follow_up>
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diff --git a/train/graphviz/hard/graphviz_28.txt b/train/graphviz/hard/graphviz_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..84d6c1cf0ec24596956603d7937e565faebd245c
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_280.txt b/train/graphviz/hard/graphviz_280.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2e41efa88bb3f38957830322a867b51a45916eb9
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_281.txt b/train/graphviz/hard/graphviz_281.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e1f962bde61084676d50ffd824e18feb0f6fa4aa
--- /dev/null
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_283.dot b/train/graphviz/hard/graphviz_283.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8edec3146f77cb302c48bdbda9cd57e9d6c2e4b6
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diff --git a/train/graphviz/hard/graphviz_285.dot b/train/graphviz/hard/graphviz_285.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fc9cfe8388c21b933f9943d85b1e93ac1e651f31
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diff --git a/train/graphviz/hard/graphviz_286.dot b/train/graphviz/hard/graphviz_286.dot
new file mode 100644
index 0000000000000000000000000000000000000000..88fdc1b060c5b63db7a8926dd9ff92a41267868b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_286.dot
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diff --git a/train/graphviz/hard/graphviz_286.txt b/train/graphviz/hard/graphviz_286.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8545dee249b0d2e2460b0ed25958ee0c32797427
--- /dev/null
+++ b/train/graphviz/hard/graphviz_286.txt
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diff --git a/train/graphviz/hard/graphviz_287.txt b/train/graphviz/hard/graphviz_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..442458ce27ddc332d7a6c8c63c0bba2bf9e91d54
--- /dev/null
+++ b/train/graphviz/hard/graphviz_287.txt
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diff --git a/train/graphviz/hard/graphviz_288.dot b/train/graphviz/hard/graphviz_288.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7325b4241dcae6c87b2d923d6e112e380619fdae
--- /dev/null
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+	S1 -> N8 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S2 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N6 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S2 -> N5 [color="#FFC107" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [label=audits color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [label=regulates color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [label=transports color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_289.txt b/train/graphviz/hard/graphviz_289.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a5014f7cb9cbaac48ac32f501f87028595382743
--- /dev/null
+++ b/train/graphviz/hard/graphviz_289.txt
@@ -0,0 +1,43 @@
+<Community Relations, connectedTo, Energy Management>
+<Community Relations, smelts, Mine Planning>
+<Core Logging, connectedTo, Equipment Maintenance>
+<Core Logging, connectedTo, Permit Acquisition>
+<Core Logging, connectedTo, Regulatory Compliance Reporting>
+<Core Logging, connectedTo, Tailings Management>
+<Energy Management, connectedTo, Core Logging>
+<Energy Management, connectedTo, Reclamation>
+<Energy Management, connectedTo, Tailings Management>
+<Environmental Impact Assessment, connectedTo, Mine Closure Planning>
+<Environmental Impact Assessment, connectedTo, Remote Operations Center>
+<Equipment Maintenance, connectedTo, Environmental Impact Assessment>
+<Exploration, connectedTo, Tailings Management>
+<Exploration, connectedTo, Water Management>
+<Exploration Drilling, partOf, Exploration Drilling>
+<Exploration Drilling, regulates, Robotics in Mining>
+<Geological Survey, connectedTo, Core Logging>
+<Haulage, grinds, Water Management>
+<Haulage, partOf, Haulage>
+<Mine Closure Planning, connectedTo, Exploration Drilling>
+<Mine Closure Planning, partOf, Mine Closure Planning>
+<Mine Dewatering, connectedTo, Regulatory Compliance Reporting>
+<Mine Planning, connectedTo, Haulage>
+<Mine Planning, partOf, Mine Planning>
+<Noise Management, connectedTo, Community Relations>
+<Ore Extraction, connectedTo, Community Relations>
+<Ore Extraction, connectedTo, Noise Management>
+<Permit Acquisition, connectedTo, Safety Management>
+<Reclamation, connectedTo, Geological Survey>
+<Reclamation, connectedTo, Tailings Management>
+<Refining, connectedTo, Permit Acquisition>
+<Regulatory Compliance Reporting, connectedTo, Equipment Maintenance>
+<Robotics in Mining, connectedTo, Community Relations>
+<Robotics in Mining, partOf, Robotics in Mining>
+<Safety Management, connectedTo, Mine Dewatering>
+<Safety Management, connectedTo, Remote Operations Center>
+<Safety Management, processes, Regulatory Compliance Reporting>
+<Smelting, connectedTo, Community Relations>
+<Smelting, connectedTo, Ore Extraction>
+<Smelting, connectedTo, Tailings Management>
+<Tailings Management, connectedTo, Refining>
+<Water Management, connectedTo, Community Relations>
+<Water Management, connectedTo, Smelting>
diff --git a/train/graphviz/hard/graphviz_292.dot b/train/graphviz/hard/graphviz_292.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d94e0aee42b228a82c897bf1d2ca456fdfbe4bc5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_292.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=TD
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+	N1 [label="Noise Management" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
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+	N3 [label="Community Relations" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N4 [label="Mineral Processing" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
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+	N6 [label="Geotechnical Stability Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=Mdiamond style=filled]
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+	N9 [label="Ore Sorting" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N10 [label="Mine Closure Planning" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N11 [label="Ventilation System" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N12 [label="Energy Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=plaintext style=filled]
+	N13 [label="Water Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N14 [label="Product Marketing" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
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+	}
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+		nest1_1 [label="Ore Extraction" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
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+	N2 -> M1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_298.dot b/train/graphviz/hard/graphviz_298.dot
new file mode 100644
index 0000000000000000000000000000000000000000..18dd6038307320b4ce248fbae38e0ae0d0e6a32d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_298.dot
@@ -0,0 +1,57 @@
+digraph {
+	rankdir=LR
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diff --git a/train/graphviz/hard/graphviz_299.dot b/train/graphviz/hard/graphviz_299.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fd9911e20c71afb5dd87b21de419f9fbd3aa514a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_299.dot
@@ -0,0 +1,79 @@
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+}
diff --git a/train/graphviz/hard/graphviz_300.txt b/train/graphviz/hard/graphviz_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e9a7b3120e881dfc93664e3915fb828dfbdf0488
--- /dev/null
+++ b/train/graphviz/hard/graphviz_300.txt
@@ -0,0 +1,37 @@
+<Autonomous Vessels, forecasts, Container Tracking>
+<Bunkering, connectedTo, Freight Forwarding>
+<Container Tracking, connectedTo, Ballast Water Management>
+<Crew Management, connectedTo, Ballast Water Management>
+<Crew Management, connectedTo, Container Tracking>
+<Crew Management, manages, Autonomous Vessels>
+<Digitalization of Shipping, communicates, Pollution Control>
+<Digitalization of Shipping, connectedTo, Bunkering>
+<Freight Forwarding, connectedTo, Maritime Security>
+<Fuel Consumption Optimization, connectedTo, Navigation>
+<Green Shipping Initiatives, connectedTo, Port Operations>
+<Green Shipping Initiatives, partOf, Green Shipping Initiatives>
+<Hydrographic Surveying, designs, Search and Rescue Coordination>
+<Inland Waterway Transport, partOf, Inland Waterway Transport>
+<Inland Waterway Transport, supplies, Green Shipping Initiatives>
+<Maritime Security, connectedTo, Port Operations>
+<Navigation, connectedTo, Crew Management>
+<Pollution Control, connectedTo, Bunkering>
+<Pollution Control, connectedTo, Salvage Operations>
+<Port Congestion Management, connectedTo, Fuel Consumption Optimization>
+<Port Congestion Management, partOf, Port Congestion Management>
+<Port Operations, connectedTo, Hydrographic Surveying>
+<Port Operations, connectedTo, Subsea Cable Laying>
+<Route Planning, connectedTo, Vessel Maintenance>
+<Salvage Operations, connectedTo, Bunkering>
+<Search and Rescue Coordination, connectedTo, Route Planning>
+<Ship Registry, partOf, Ship Registry>
+<Ship Registry, plans, Port Congestion Management>
+<Ship_to_Shore Communication, connectedTo, Inland Waterway Transport>
+<Ship_to_Shore Communication, partOf, Ship_to_Shore Communication>
+<Subsea Cable Laying, connectedTo, Ship_to_Shore Communication>
+<Subsea Cable Laying, partOf, Subsea Cable Laying>
+<Vessel Chartering, connectedTo, Autonomous Vessels>
+<Vessel Chartering, connectedTo, Container Tracking>
+<Vessel Chartering, connectedTo, Fuel Consumption Optimization>
+<Vessel Chartering, connectedTo, Ship Registry>
+<Vessel Maintenance, connectedTo, Vessel Chartering>
diff --git a/train/graphviz/hard/graphviz_304.dot b/train/graphviz/hard/graphviz_304.dot
new file mode 100644
index 0000000000000000000000000000000000000000..28bfb1863a7b733ed6a1d86bac0f310294467434
--- /dev/null
+++ b/train/graphviz/hard/graphviz_304.dot
@@ -0,0 +1,59 @@
+digraph {
+	rankdir=BT
+	N0 [label="Marine Data Analytics" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
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+		nest0_1 [label="Freight Forwarding" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+		nest0_2 [label="Fuel Consumption Optimization" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest0_3 [label=Navigation color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=secures color="#A188DB" dir=forward penwidth=1.5 style=solid]
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+		nest1_1 [label="Vessel Chartering" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest1_2 [label="Maritime Security" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+		nest1_3 [label=Pilotage color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [label=routes color="#000000" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_307.txt b/train/graphviz/hard/graphviz_307.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4af8b4c86daaa6a484d7dcf78f767efc7ab42172
--- /dev/null
+++ b/train/graphviz/hard/graphviz_307.txt
@@ -0,0 +1,36 @@
+<Asteroid Mining Feasibility, connectedTo, Deep Space Communications>
+<Asteroid Mining Feasibility, partOf, Asteroid Mining Feasibility>
+<Astrophysics Research, connectedTo, Deep Space Communications>
+<Astrophysics Research, connectedTo, Exoplanet Discovery>
+<Autonomous Rendezvous and Docking, connectedTo, Spacecraft Control>
+<Autonomous Rendezvous and Docking, partOf, Autonomous Rendezvous and Docking>
+<Deep Space Communications, connectedTo, In_Situ Resource Utilization>
+<Deep Space Communications, connectedTo, Orbital Mechanics>
+<Deep Space Communications, connectedTo, Rocket Propulsion Development>
+<Deep Space Communications, connectedTo, Sample Return Missions>
+<Exoplanet Discovery, connectedTo, Orbital Mechanics>
+<In_Situ Resource Utilization, connectedTo, Exoplanet Discovery>
+<International Collaboration, tests, Sample Return Missions>
+<Mission Control Center Management, collects, Robotics for Space Exploration>
+<Mission Design, connectedTo, In_Situ Resource Utilization>
+<New Space Technology Development, connectedTo, International Collaboration>
+<New Space Technology Development, connectedTo, Payload Development>
+<Payload Development, connectedTo, Astrophysics Research>
+<Payload Development, connectedTo, International Collaboration>
+<Payload Development, connectedTo, Radiation Shielding Design>
+<Radiation Shielding Design, connectedTo, Asteroid Mining Feasibility>
+<Radiation Shielding Design, partOf, Radiation Shielding Design>
+<Re_entry Vehicle Design, connectedTo, Mission Design>
+<Re_entry Vehicle Design, partOf, Re_entry Vehicle Design>
+<Robotics for Space Exploration, connectedTo, Space Debris Mitigation>
+<Rocket Propulsion Development, connectedTo, Autonomous Rendezvous and Docking>
+<Rocket Propulsion Development, connectedTo, International Collaboration>
+<Sample Return Missions, connectedTo, Mission Design>
+<Space Debris Mitigation, connectedTo, Space Tourism Development>
+<Space Habitat Development, connectedTo, Mission Control Center Management>
+<Space Habitat Development, connectedTo, Orbital Mechanics>
+<Space Habitat Development, connectedTo, Sample Return Missions>
+<Space Tourism Development, connectedTo, Exoplanet Discovery>
+<Space Tourism Development, connectedTo, New Space Technology Development>
+<Spacecraft Control, connectedTo, Re_entry Vehicle Design>
+<Spacecraft Control, partOf, Spacecraft Control>
diff --git a/train/graphviz/hard/graphviz_310.txt b/train/graphviz/hard/graphviz_310.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8bde11fea54ac8a66158897a98200c32abe9fb07
--- /dev/null
+++ b/train/graphviz/hard/graphviz_310.txt
@@ -0,0 +1,40 @@
+<Asteroid Mining Feasibility, connectedTo, Orbital Mechanics>
+<Asteroid Mining Feasibility, connectedTo, Sample Return Missions>
+<Asteroid Mining Feasibility, connectedTo, Space Weather Forecasting>
+<Data Acquisition, connectedTo, Planetary Science Research>
+<Data Acquisition, connectedTo, Satellite Deployment>
+<Exoplanet Discovery, connectedTo, New Space Technology Development>
+<Exoplanet Discovery, partOf, Exoplanet Discovery>
+<International Collaboration, connectedTo, Exoplanet Discovery>
+<International Collaboration, partOf, International Collaboration>
+<Launch Operations, connectedTo, Asteroid Mining Feasibility>
+<Life Support Systems, connectedTo, Space Weather Forecasting>
+<Life Support Systems, partOf, Life Support Systems>
+<Lunar Exploration, connectedTo, Extravehicular Activity Planning>
+<Lunar Exploration, connectedTo, Rocket Propulsion Development>
+<Mission Control Center Management, connectedTo, Extravehicular Activity Planning>
+<Mission Control Center Management, connectedTo, Lunar Exploration>
+<Mission Control Center Management, connectedTo, Mission Design>
+<Mission Design, connectedTo, Lunar Exploration>
+<New Space Technology Development, connectedTo, Mission Design>
+<New Space Technology Development, partOf, New Space Technology Development>
+<Orbital Mechanics, connectedTo, International Collaboration>
+<Orbital Mechanics, partOf, Orbital Mechanics>
+<Planetary Science Research, connectedTo, Asteroid Mining Feasibility>
+<Planetary Science Research, connectedTo, Launch Operations>
+<Planetary Science Research, connectedTo, Space Weather Forecasting>
+<Rocket Propulsion Development, connectedTo, Space Station Operations>
+<Rocket Propulsion Development, partOf, Rocket Propulsion Development>
+<Sample Return Missions, connectedTo, Satellite Deployment>
+<Sample Return Missions, connectedTo, Space Weather Forecasting>
+<Satellite Deployment, connectedTo, Mission Control Center Management>
+<Satellite Deployment, connectedTo, Mission Design>
+<Scientific Data Analysis, connectedTo, Data Acquisition>
+<Space Habitat Development, connectedTo, Life Support Systems>
+<Space Habitat Development, partOf, Space Habitat Development>
+<Space Station Operations, connectedTo, Space Habitat Development>
+<Space Station Operations, partOf, Space Station Operations>
+<Space Weather Forecasting, connectedTo, Satellite Deployment>
+<Space Weather Forecasting, connectedTo, Spacecraft Control>
+<Spacecraft Control, connectedTo, Satellite Deployment>
+<Spacecraft Control, controls, Mission Design>
diff --git a/train/graphviz/hard/graphviz_313.dot b/train/graphviz/hard/graphviz_313.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c0b244097635ccb8a3dc1ec6f0a8aeaa55419450
--- /dev/null
+++ b/train/graphviz/hard/graphviz_313.dot
@@ -0,0 +1,84 @@
+digraph {
+	rankdir=TD
+	N0 [label="Greenhouse Gas Measurement" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
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+	N4 [label="International Climate Negotiation" color="#D2D2D2" fillcolor="#F0F0F0" shape=folder style=filled]
+	N5 [label="Cloud Formation Research" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+	N6 [label="Glacier Mass Balance Monitoring" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
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+	N13 [label="Paleoclimate Reconstruction" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
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diff --git a/train/graphviz/hard/graphviz_313.txt b/train/graphviz/hard/graphviz_313.txt
new file mode 100644
index 0000000000000000000000000000000000000000..668c70629717699c656d59f37ee8dd3851edd45f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_313.txt
@@ -0,0 +1,43 @@
+<Adaptation Strategy Development, connectedTo, Carbon Cycle Research>
+<Aerosol Impact Assessment, connectedTo, Permafrost Thaw Assessment>
+<Aerosol Impact Assessment, connectedTo, Public Engagement on Climate>
+<Atmospheric Monitoring, connectedTo, Ocean Current Analysis>
+<Biodiversity Impact Assessment, connectedTo, Data Collection>
+<Biodiversity Impact Assessment, partOf, Biodiversity Impact Assessment>
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+<Climate Impact Assessment, partOf, Climate Impact Assessment>
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+<Glacier Mass Balance Monitoring, connectedTo, Atmospheric Monitoring>
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+<Greenhouse Gas Measurement, connectedTo, Ecosystem Response Modeling>
+<International Climate Negotiation, connectedTo, Cloud Formation Research>
+<Mitigation Technology Evaluation, connectedTo, Biodiversity Impact Assessment>
+<Mitigation Technology Evaluation, partOf, Mitigation Technology Evaluation>
+<Ocean Current Analysis, connectedTo, Climate Change Vulnerability Assessment>
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+<International Climate Negotiation, connectedTo, Ecological Footprint Calculation>
+<Mitigation Technology Evaluation, connectedTo, International Climate Negotiation>
+<Mitigation Technology Evaluation, connectedTo, Public Engagement on Climate>
+<Mitigation Technology Evaluation, connectedTo, Water Resource Management under Climate Change>
+<Public Engagement on Climate, connectedTo, Arctic and Antarctic Research>
+<Public Engagement on Climate, connectedTo, Water Resource Management under Climate Change>
+<Remote Sensing for Climate, connectedTo, Aerosol Impact Assessment>
+<Remote Sensing for Climate, partOf, Remote Sensing for Climate>
+<Water Resource Management under Climate Change, connectedTo, Aerosol Impact Assessment>
diff --git a/train/graphviz/hard/graphviz_32.dot b/train/graphviz/hard/graphviz_32.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c7b503c33edc3f42e97a27ec8155dde07ad75b43
--- /dev/null
+++ b/train/graphviz/hard/graphviz_32.dot
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diff --git a/train/graphviz/hard/graphviz_322.txt b/train/graphviz/hard/graphviz_322.txt
new file mode 100644
index 0000000000000000000000000000000000000000..482d65dadba49b4fba4b34b7050aa59123deaa0c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_322.txt
@@ -0,0 +1,35 @@
+<Agricultural Weather Advisory, connectedTo, Atmospheric Data Collection>
+<Agricultural Weather Advisory, partOf, Agricultural Weather Advisory>
+<Arctic Weather Research, connectedTo, Snowfall Measurement>
+<Arctic Weather Research, partOf, Arctic Weather Research>
+<Atmospheric Data Collection, connectedTo, Humidity Sensing>
+<Atmospheric Data Collection, partOf, Atmospheric Data Collection>
+<Atmospheric Sounding, archives, Flood Prediction>
+<Atmospheric Sounding, connectedTo, Aviation Weather Briefing>
+<Atmospheric Sounding, connectedTo, Humidity Sensing>
+<Atmospheric Sounding, connectedTo, Hurricane Trajectory Modeling>
+<Atmospheric Sounding, connectedTo, Radar Imaging>
+<Atmospheric Sounding, connectedTo, Synoptic Chart Analysis>
+<Aviation Weather Briefing, connectedTo, Flood Prediction>
+<Aviation Weather Briefing, connectedTo, Hurricane Trajectory Modeling>
+<Climate Change Impact Study, connectedTo, Atmospheric Sounding>
+<Climate Change Impact Study, connectedTo, Hurricane Trajectory Modeling>
+<Climate Change Impact Study, connectedTo, Synoptic Chart Analysis>
+<Drought Monitoring, connectedTo, Agricultural Weather Advisory>
+<Drought Monitoring, partOf, Drought Monitoring>
+<Flood Prediction, connectedTo, Arctic Weather Research>
+<Flood Prediction, connectedTo, Hurricane Trajectory Modeling>
+<Humidity Sensing, connectedTo, Synoptic Chart Analysis>
+<Humidity Sensing, connectedTo, Wind Speed and Direction>
+<Precipitation Measurement, connectedTo, Hurricane Trajectory Modeling>
+<Precipitation Measurement, partOf, Precipitation Measurement>
+<Radar Imaging, connectedTo, Aviation Weather Briefing>
+<Radar Imaging, connectedTo, Flood Prediction>
+<Radar Imaging, connectedTo, Hurricane Trajectory Modeling>
+<Snowfall Measurement, connectedTo, Precipitation Measurement>
+<Snowfall Measurement, partOf, Snowfall Measurement>
+<Synoptic Chart Analysis, connectedTo, Flood Prediction>
+<Synoptic Chart Analysis, connectedTo, Hurricane Trajectory Modeling>
+<Synoptic Chart Analysis, connectedTo, Radar Imaging>
+<Wind Speed and Direction, connectedTo, Drought Monitoring>
+<Wind Speed and Direction, partOf, Wind Speed and Direction>
diff --git a/train/graphviz/hard/graphviz_323.txt b/train/graphviz/hard/graphviz_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eebdc2cc09021bab5deaff9f6233301438697572
--- /dev/null
+++ b/train/graphviz/hard/graphviz_323.txt
@@ -0,0 +1,34 @@
+<Arctic Weather Research, connectedTo, Ocean_Atmosphere Interaction Study>
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+<Atmospheric Sounding, connectedTo, Cloud Observation>
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+<Aviation Weather Briefing, connectedTo, Cloud Observation>
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+<Boundary Layer Study, connectedTo, Cloud Observation>
+<Boundary Layer Study, connectedTo, Severe Weather Warning>
+<Boundary Layer Study, transmits, Atmospheric Sounding>
+<Climate Data Archiving, connectedTo, Snowfall Measurement>
+<Climate Data Archiving, partOf, Climate Data Archiving>
+<Drought Monitoring, connectedTo, Cloud Observation>
+<Drought Monitoring, connectedTo, Synoptic Chart Analysis>
+<Flood Prediction, connectedTo, Ocean_Atmosphere Interaction Study>
+<Flood Prediction, deploys, Tornado Watch or Warning>
+<Hurricane Trajectory Modeling, connectedTo, Arctic Weather Research>
+<Hurricane Trajectory Modeling, partOf, Hurricane Trajectory Modeling>
+<Lightning Detection, connectedTo, Precipitation Measurement>
+<Lightning Detection, partOf, Lightning Detection>
+<Meteorological Station Maintenance, connectedTo, Climate Data Archiving>
+<Meteorological Station Maintenance, connectedTo, Seasonal Outlook Preparation>
+<Ocean_Atmosphere Interaction Study, connectedTo, Meteorological Station Maintenance>
+<Precipitation Measurement, connectedTo, Cloud Observation>
+<Precipitation Measurement, partOf, Precipitation Measurement>
+<Seasonal Outlook Preparation, connectedTo, Boundary Layer Study>
+<Severe Weather Warning, connectedTo, Aviation Weather Briefing>
+<Snowfall Measurement, connectedTo, Lightning Detection>
+<Snowfall Measurement, partOf, Snowfall Measurement>
+<Synoptic Chart Analysis, connectedTo, Flood Prediction>
+<Synoptic Chart Analysis, interprets, Cloud Observation>
+<Tornado Watch or Warning, connectedTo, Atmospheric Data Collection>
+<Tornado Watch or Warning, partOf, Tornado Watch or Warning>
diff --git a/train/graphviz/hard/graphviz_324.txt b/train/graphviz/hard/graphviz_324.txt
new file mode 100644
index 0000000000000000000000000000000000000000..88d9f93ac3cfc1ebed2658d98ed80e48d4577595
--- /dev/null
+++ b/train/graphviz/hard/graphviz_324.txt
@@ -0,0 +1,46 @@
+<Agricultural Weather Advisory, partOf, Agricultural Weather Advisory>
+<Agricultural Weather Advisory, warns, Nowcasting>
+<Arctic Weather Research, connectedTo, Atmospheric Sounding>
+<Atmospheric Data Collection, connectedTo, Snowfall Measurement>
+<Atmospheric Sounding, connectedTo, Atmospheric Data Collection>
+<Atmospheric Sounding, connectedTo, Drought Monitoring>
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+<Atmospheric Sounding, connectedTo, Snowfall Measurement>
+<Atmospheric Sounding, connectedTo, Storm Tracking>
+<Aviation Weather Briefing, connectedTo, Flood Prediction>
+<Boundary Layer Study, connectedTo, Aviation Weather Briefing>
+<Boundary Layer Study, connectedTo, Climate Modeling>
+<Boundary Layer Study, generates, Meteorological Instrument Calibration>
+<Climate Change Impact Study, retrieves, Precipitation Measurement>
+<Climate Modeling, connectedTo, Arctic Weather Research>
+<Climate Modeling, connectedTo, Aviation Weather Briefing>
+<Climate Modeling, connectedTo, Drought Monitoring>
+<Climate Modeling, connectedTo, Precipitation Measurement>
+<Climate Modeling, simulates, Radar Imaging>
+<Climate Modeling, supports, Atmospheric Sounding>
+<Fire Weather Forecasting, connectedTo, Humidity Sensing>
+<Flood Prediction, connectedTo, Climate Change Impact Study>
+<Humidity Sensing, connectedTo, Arctic Weather Research>
+<Hurricane Trajectory Modeling, connectedTo, Precipitation Measurement>
+<Hurricane Trajectory Modeling, partOf, Hurricane Trajectory Modeling>
+<Meteorological Instrument Calibration, interprets, Climate Modeling>
+<Meteorological Station Maintenance, connectedTo, Agricultural Weather Advisory>
+<Meteorological Station Maintenance, connectedTo, Aviation Weather Briefing>
+<Nowcasting, connectedTo, Boundary Layer Study>
+<Nowcasting, partOf, Nowcasting>
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+<Ocean_Atmosphere Interaction Study, connectedTo, Boundary Layer Study>
+<Ocean_Atmosphere Interaction Study, connectedTo, Climate Modeling>
+<Precipitation Measurement, identifies, Tropical Cyclone Analysis>
+<Public Weather Briefing, connectedTo, Hurricane Trajectory Modeling>
+<Public Weather Briefing, partOf, Public Weather Briefing>
+<Radar Imaging, connectedTo, Aviation Weather Briefing>
+<Radar Imaging, connectedTo, Meteorological Station Maintenance>
+<Severe Weather Warning, connectedTo, Atmospheric Data Collection>
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+<Snowfall Measurement, connectedTo, Drought Monitoring>
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+<Storm Tracking, partOf, Storm Tracking>
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diff --git a/train/graphviz/hard/graphviz_325.txt b/train/graphviz/hard/graphviz_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..899cd351e5cc3998dc04031f0701abb28dfd29ff
--- /dev/null
+++ b/train/graphviz/hard/graphviz_325.txt
@@ -0,0 +1,36 @@
+<Agricultural Weather Advisory, connectedTo, Arctic Weather Research>
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+<Public Weather Briefing, connectedTo, Precipitation Measurement>
+<Public Weather Briefing, connectedTo, Temperature Monitoring>
+<Storm Tracking, connectedTo, Synoptic Chart Analysis>
+<Synoptic Chart Analysis, connectedTo, Marine Weather Forecast>
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+<Tornado Watch or Warning, connectedTo, Arctic Weather Research>
+<Tornado Watch or Warning, connectedTo, Precipitation Measurement>
+<Tornado Watch or Warning, connectedTo, Tropical Cyclone Analysis>
+<Tropical Cyclone Analysis, connectedTo, Air Quality Forecasting>
+<Upper Air Chart Analysis, connectedTo, Humidity Sensing>
+<Upper Air Chart Analysis, partOf, Upper Air Chart Analysis>
+<Weather Forecasting, connectedTo, Climate Change Impact Study>
+<Weather Forecasting, partOf, Weather Forecasting>
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diff --git a/train/graphviz/hard/graphviz_326.txt b/train/graphviz/hard/graphviz_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f3658bad30683664871951a6c9aa44efbce89fe9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_326.txt
@@ -0,0 +1,36 @@
+<Air Quality Forecasting, connectedTo, Aviation Weather Briefing>
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+<Fire Weather Forecasting, connectedTo, Climate Change Impact Study>
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+<Humidity Sensing, connectedTo, Lightning Detection>
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+<Numerical Weather Prediction, connectedTo, Pollution Dispersion Modeling>
+<Numerical Weather Prediction, connectedTo, Public Weather Briefing>
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+<Public Weather Briefing, connectedTo, Flood Prediction>
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diff --git a/train/graphviz/hard/graphviz_329.txt b/train/graphviz/hard/graphviz_329.txt
new file mode 100644
index 0000000000000000000000000000000000000000..53bf403d385c6c4504eddf7447a68fc883af8176
--- /dev/null
+++ b/train/graphviz/hard/graphviz_329.txt
@@ -0,0 +1,37 @@
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+<Metal Recycling, connectedTo, Waste Audit>
+<Metal Recycling, partOf, Metal Recycling>
+<Organics Collection, connectedTo, Transfer Station Management>
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+<Recycling Processing, connectedTo, Waste Management Data Analytics>
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+<Smart Waste Bins, connectedTo, Electronic Waste Recycling>
+<Smart Waste Bins, connectedTo, Plastic Recycling Technologies>
+<Transfer Station Management, disposes, Waste Audit>
+<Waste Logistics Optimization, connectedTo, Plastic Recycling Technologies>
+<Waste Logistics Optimization, connectedTo, Waste Sorting>
+<Waste Management Data Analytics, connectedTo, Biomedical Waste Handling>
+<Waste Management Data Analytics, connectedTo, Organics Collection>
+<Waste Management Data Analytics, connectedTo, Transfer Station Management>
+<Waste Management Data Analytics, connectedTo, Waste Audit>
+<Waste Management Policy Development, connectedTo, Resource Recovery>
+<Waste Management Policy Development, partOf, Waste Management Policy Development>
+<Waste Sorting, connectedTo, Plastic Recycling Technologies>
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+<Waste Sorting, licenses, Circular Economy Initiatives>
+<Zero Waste Initiatives, connectedTo, Waste Management Policy Development>
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diff --git a/train/graphviz/hard/graphviz_333.dot b/train/graphviz/hard/graphviz_333.dot
new file mode 100644
index 0000000000000000000000000000000000000000..40aa4ef663e9fd562642a89de68df586d76258ac
--- /dev/null
+++ b/train/graphviz/hard/graphviz_333.dot
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diff --git a/train/graphviz/hard/graphviz_335.dot b/train/graphviz/hard/graphviz_335.dot
new file mode 100644
index 0000000000000000000000000000000000000000..db563668986ce68bea240aecf0fd3fd54f175838
--- /dev/null
+++ b/train/graphviz/hard/graphviz_335.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=TD
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diff --git a/train/graphviz/hard/graphviz_335.txt b/train/graphviz/hard/graphviz_335.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ee19c623360cbd6d861626aed3f31088196ecb8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_335.txt
@@ -0,0 +1,42 @@
+<Closed_Loop Systems, connectedTo, Material Recovery Facility Operation>
+<Composting, connectedTo, Waste Sorting>
+<Composting, converts, Smart Waste Bins>
+<Electronic Waste Recycling, connectedTo, Waste Collection>
+<Extended Producer Responsibility, connectedTo, Landfill Gas Collection>
+<Glass Recycling, partOf, Glass Recycling>
+<Glass Recycling, treats, Metal Recycling>
+<Hazardous Waste Disposal, connectedTo, Electronic Waste Recycling>
+<Hazardous Waste Disposal, connectedTo, Illegal Dumping Monitoring>
+<Illegal Dumping Monitoring, enforces, Waste Compaction>
+<Illegal Dumping Monitoring, partOf, Illegal Dumping Monitoring>
+<Industrial Waste Management, connectedTo, Transfer Station Management>
+<Industrial Waste Management, partOf, Industrial Waste Management>
+<Landfill Gas Collection, connectedTo, Plastic Recycling Technologies>
+<Landfill Gas Collection, connectedTo, Waste Collection>
+<Leachate Treatment, connectedTo, Composting>
+<Leachate Treatment, connectedTo, Waste Sorting>
+<Material Recovery Facility Operation, composts, Waste Collection>
+<Material Recovery Facility Operation, connectedTo, Circular Economy Initiatives>
+<Material Recovery Facility Operation, connectedTo, Electronic Waste Recycling>
+<Material Recovery Facility Operation, connectedTo, Hazardous Waste Disposal>
+<Material Recovery Facility Operation, connectedTo, Waste Sorting>
+<Metal Recycling, connectedTo, Industrial Waste Management>
+<Metal Recycling, partOf, Metal Recycling>
+<Plastic Recycling Technologies, connectedTo, Leachate Treatment>
+<Plastic Recycling Technologies, extracts, Glass Recycling>
+<Recycling Processing, connectedTo, Waste Collection>
+<Recycling Processing, connectedTo, Waste Management Policy Development>
+<Smart Waste Bins, connectedTo, Closed_Loop Systems>
+<Smart Waste Bins, connectedTo, Waste Sorting>
+<Smart Waste Bins, reports, Hazardous Waste Disposal>
+<Transfer Station Management, partOf, Transfer Station Management>
+<Transfer Station Management, tracks, Smart Waste Bins>
+<Waste Audit, connectedTo, Waste Management Data Analytics>
+<Waste Audit, partOf, Waste Audit>
+<Waste Collection, connectedTo, Circular Economy Initiatives>
+<Waste Compaction, connectedTo, Waste Audit>
+<Waste Compaction, partOf, Waste Compaction>
+<Waste Management Data Analytics, connectedTo, Composting>
+<Waste Management Data Analytics, partOf, Waste Management Data Analytics>
+<Waste Management Policy Development, connectedTo, Extended Producer Responsibility>
+<Waste Sorting, connectedTo, Hazardous Waste Disposal>
diff --git a/train/graphviz/hard/graphviz_336.txt b/train/graphviz/hard/graphviz_336.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3806edae9121101c2fbf3270921511710de28d44
--- /dev/null
+++ b/train/graphviz/hard/graphviz_336.txt
@@ -0,0 +1,37 @@
+<Circular Economy Initiatives, connectedTo, Community Recycling Programs>
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+<Closed_Loop Systems, partOf, Closed_Loop Systems>
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+<Composting, connectedTo, Metal Recycling>
+<Container Management, connectedTo, Waste Collection>
+<Container Management, partOf, Container Management>
+<Extended Producer Responsibility, connectedTo, Industrial Waste Management>
+<Extended Producer Responsibility, partOf, Extended Producer Responsibility>
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+<Illegal Dumping Monitoring, connectedTo, Container Management>
+<Illegal Dumping Monitoring, connectedTo, Industrial Waste Management>
+<Industrial Waste Management, measures, Waste Compaction>
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+<Landfill Gas Collection, partOf, Landfill Gas Collection>
+<Material Recovery Facility Operation, connectedTo, Leachate Treatment>
+<Material Recovery Facility Operation, connectedTo, Transfer Station Management>
+<Metal Recycling, maintains, Illegal Dumping Monitoring>
+<Organics Collection, compacts, Resource Recovery>
+<Paper Recycling, composts, Leachate Treatment>
+<Plastic Recycling Technologies, connectedTo, Circular Economy Initiatives>
+<Public Education on Waste, connectedTo, Transfer Station Management>
+<Public Education on Waste, disposes, Composting>
+<Resource Recovery, connectedTo, Closed_Loop Systems>
+<Resource Recovery, connectedTo, Leachate Treatment>
+<Resource Recovery, connectedTo, Public Education on Waste>
+<Transfer Station Management, connectedTo, Organics Collection>
+<Waste Collection, connectedTo, Community Recycling Programs>
+<Waste Collection, partOf, Waste Collection>
+<Waste Compaction, connectedTo, Community Recycling Programs>
+<Waste Compaction, connectedTo, Hazardous Waste Disposal>
+<Waste Compaction, connectedTo, Plastic Recycling Technologies>
+<Waste Compaction, plans, Waste Reduction Planning>
+<Waste Management Data Analytics, connectedTo, Paper Recycling>
+<Waste Reduction Planning, connectedTo, Leachate Treatment>
+<Waste Reduction Planning, connectedTo, Waste Management Data Analytics>
+<Waste Sorting, connectedTo, Material Recovery Facility Operation>
diff --git a/train/graphviz/hard/graphviz_338.dot b/train/graphviz/hard/graphviz_338.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4adf6f722e0c8dd6ebc0f448a01ff24ea9ceaf4b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_338.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=LR
+	N0 [label="Hydrological Modeling" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
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+	N4 [label="Billing and Revenue Management" color="#FF5722" fillcolor="#FFCCBC" shape=plaintext style=filled]
+	N5 [label="Water Loss Detection" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N6 [label="Hydroelectric Power Generation" color="#FF5722" fillcolor="#FFCCBC" shape=oval style=filled]
+	N7 [label="Groundwater Management" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N8 [label="Drinking Water Standards Compliance" color="#FF5722" fillcolor="#FFCCBC" shape=folder style=filled]
+	N9 [label="Industrial Water Use Optimization" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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diff --git a/train/graphviz/hard/graphviz_338.txt b/train/graphviz/hard/graphviz_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dee6b9ea073f846c4fb56c995ed8537dfb29a8af
--- /dev/null
+++ b/train/graphviz/hard/graphviz_338.txt
@@ -0,0 +1,29 @@
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+<Water Source Identification, connectedTo, Dam Management>
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diff --git a/train/graphviz/hard/graphviz_340.dot b/train/graphviz/hard/graphviz_340.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9ad3691786b1b29a468cec9b6047979e507f7923
--- /dev/null
+++ b/train/graphviz/hard/graphviz_340.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=BT
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+	subgraph cluster_Group0 {
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+		nest0_2 [label="Water Loss Detection" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
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+		nest1_1 [label="Environmental Flow Assessment" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+		nest1_2 [label="Rainwater Harvesting" color="#C2B2F0" fillcolor="#EFE6FF" shape=Mdiamond style=filled]
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+	S2 -> N11 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#BCB88A" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N4 -> M2 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	M2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_340.txt b/train/graphviz/hard/graphviz_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b6c55bfe5181ef81c4586d195b72a0e88fa971fe
--- /dev/null
+++ b/train/graphviz/hard/graphviz_340.txt
@@ -0,0 +1,44 @@
+<Agricultural Water Use Efficiency, connectedTo, Environmental Flow Assessment>
+<Agricultural Water Use Efficiency, partOf, Agricultural Water Use Efficiency>
+<Dam Management, connectedTo, Drought Management>
+<Dam Management, connectedTo, Reservoir Operation>
+<Dam Management, connectedTo, Wastewater Treatment>
+<Dam Management, connectedTo, Water Meter Reading>
+<Drought Management, connectedTo, Reservoir Operation>
+<Drought Management, connectedTo, Wastewater Treatment>
+<Drought Management, connectedTo, Water Meter Reading>
+<Ecosystem Protection, connectedTo, Drought Management>
+<Ecosystem Protection, connectedTo, Sewer System Inspection>
+<Environmental Flow Assessment, connectedTo, Rainwater Harvesting>
+<Environmental Flow Assessment, partOf, Environmental Flow Assessment>
+<Flood Control, connectedTo, Drought Management>
+<Flood Control, connectedTo, Water Source Identification>
+<Public Awareness Campaigns, connectedTo, Dam Management>
+<Public Awareness Campaigns, connectedTo, Drought Management>
+<Public Awareness Campaigns, connectedTo, Wastewater Treatment>
+<Public Awareness Campaigns, connectedTo, Water Conservation Planning>
+<Public Awareness Campaigns, connectedTo, Water Meter Reading>
+<Rainwater Harvesting, connectedTo, Ecosystem Protection>
+<Rainwater Harvesting, partOf, Rainwater Harvesting>
+<Reservoir Operation, connectedTo, Water Meter Reading>
+<Sewer System Inspection, connectedTo, Public Awareness Campaigns>
+<Sewer System Inspection, connectedTo, Water Resource Planning>
+<Stormwater Management, connectedTo, Flood Control>
+<Stormwater Management, connectedTo, Sewer System Inspection>
+<Transboundary Water Management, connectedTo, Ecosystem Protection>
+<Transboundary Water Management, partOf, Transboundary Water Management>
+<Wastewater Treatment, connectedTo, Reservoir Operation>
+<Water Conservation Planning, connectedTo, Dam Management>
+<Water Loss Detection, connectedTo, Transboundary Water Management>
+<Water Loss Detection, partOf, Water Loss Detection>
+<Water Resource Planning, connectedTo, Water Scarcity Mitigation>
+<Water Resource Planning, partOf, Water Resource Planning>
+<Water Scarcity Mitigation, connectedTo, Water Loss Detection>
+<Water Scarcity Mitigation, partOf, Water Scarcity Mitigation>
+<Water Source Identification, connectedTo, Drought Management>
+<Water Source Identification, connectedTo, Sewer System Inspection>
+<Water Source Identification, connectedTo, Watershed Management>
+<Watershed Management, connectedTo, Drought Management>
+<Watershed Management, connectedTo, Sewer System Inspection>
+<Watershed Management, protects, Ecosystem Protection>
+<Watershed Management, reports, Agricultural Water Use Efficiency>
diff --git a/train/graphviz/hard/graphviz_344.txt b/train/graphviz/hard/graphviz_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e349cfa4774ff1c7c385a9af49794bdaeb13f6dd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_344.txt
@@ -0,0 +1,30 @@
+<Dam Management, connectedTo, Public Awareness Campaigns>
+<Dam Management, partOf, Dam Management>
+<Drinking Water Standards Compliance, connectedTo, Water Quality Monitoring>
+<Drought Management, connectedTo, Drinking Water Standards Compliance>
+<Drought Management, connectedTo, Water Rights Management>
+<Flood Control, drains, Drinking Water Standards Compliance>
+<Hydrological Modeling, connectedTo, Industrial Water Use Optimization>
+<Hydrological Modeling, partOf, Hydrological Modeling>
+<Industrial Water Use Optimization, connectedTo, Water Source Identification>
+<Industrial Water Use Optimization, partOf, Industrial Water Use Optimization>
+<Public Awareness Campaigns, connectedTo, Water Quality Monitoring>
+<Public Awareness Campaigns, partOf, Public Awareness Campaigns>
+<Sewer System Inspection, controls, Water Quality Monitoring>
+<Sewer System Inspection, partOf, Sewer System Inspection>
+<Smart Water Networks, connectedTo, Dam Management>
+<Smart Water Networks, connectedTo, Drinking Water Standards Compliance>
+<Smart Water Networks, connectedTo, Water Conservation Planning>
+<Wastewater Collection, connectedTo, Flood Control>
+<Wastewater Collection, connectedTo, Wastewater Treatment>
+<Wastewater Collection, connectedTo, Water Quality Monitoring>
+<Wastewater Treatment, allocates, Drinking Water Standards Compliance>
+<Wastewater Treatment, connectedTo, Drinking Water Standards Compliance>
+<Wastewater Treatment, connectedTo, Flood Control>
+<Wastewater Treatment, connectedTo, Water Quality Monitoring>
+<Water Conservation Planning, connectedTo, Drinking Water Standards Compliance>
+<Water Conservation Planning, connectedTo, Wastewater Collection>
+<Water Rights Management, connectedTo, Hydrological Modeling>
+<Water Rights Management, connectedTo, Smart Water Networks>
+<Water Source Identification, connectedTo, Sewer System Inspection>
+<Water Source Identification, partOf, Water Source Identification>
diff --git a/train/graphviz/hard/graphviz_346.txt b/train/graphviz/hard/graphviz_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aeb97f0765ab49e4e1ff88f63b7312754d222531
--- /dev/null
+++ b/train/graphviz/hard/graphviz_346.txt
@@ -0,0 +1,45 @@
+<Battery Recycling, connectedTo, Hazardous Material Recovery>
+<Battery Recycling, connectedTo, Industrial Recycling Programs>
+<Battery Recycling, connectedTo, Life Cycle Assessment>
+<Battery Recycling, connectedTo, Metal Recycling>
+<Battery Recycling, connectedTo, Product Design for Recyclability>
+<Chemical Recycling, connectedTo, Deposit_Return Schemes>
+<Chemical Recycling, connectedTo, Recycling Data Tracking>
+<Chemical Recycling, connectedTo, Waste Audit for Recycling>
+<Closed_Loop Material Flow, connectedTo, Recycling Facility Optimization>
+<Collection Point Management, connectedTo, Recycling Data Tracking>
+<Composting Organic Waste, connectedTo, Construction Waste Recycling>
+<Construction Waste Recycling, connectedTo, Recycling Education>
+<Deposit_Return Schemes, connectedTo, Closed_Loop Material Flow>
+<Deposit_Return Schemes, connectedTo, Life Cycle Assessment>
+<Deposit_Return Schemes, connectedTo, Material Purity Testing>
+<Electronic Waste Recycling, connectedTo, End_of_Life Product Management>
+<Electronic Waste Recycling, connectedTo, Sorting and Segregation>
+<End_of_Life Product Management, connectedTo, Material Collection>
+<End_of_Life Product Management, partOf, End_of_Life Product Management>
+<Glass Recycling, connectedTo, Recycling Infrastructure Development>
+<Glass Recycling, partOf, Glass Recycling>
+<Hazardous Material Recovery, connectedTo, Electronic Waste Recycling>
+<Industrial Recycling Programs, connectedTo, Life Cycle Assessment>
+<Life Cycle Assessment, connectedTo, Material Purity Testing>
+<Material Collection, connectedTo, Deposit_Return Schemes>
+<Material Collection, partOf, Material Collection>
+<Material Purity Testing, connectedTo, Cleaning and Processing>
+<Metal Recycling, connectedTo, Glass Recycling>
+<Metal Recycling, partOf, Metal Recycling>
+<Product Design for Recyclability, connectedTo, Hazardous Material Recovery>
+<Recycling Data Tracking, connectedTo, Battery Recycling>
+<Recycling Data Tracking, connectedTo, Cleaning and Processing>
+<Recycling Data Tracking, connectedTo, Composting Organic Waste>
+<Recycling Data Tracking, connectedTo, Recycling Education>
+<Recycling Education, connectedTo, Battery Recycling>
+<Recycling Facility Optimization, connectedTo, Collection Point Management>
+<Recycling Facility Optimization, connectedTo, Recycling Data Tracking>
+<Recycling Infrastructure Development, connectedTo, Chemical Recycling>
+<Recycling Infrastructure Development, partOf, Recycling Infrastructure Development>
+<Recycling Policy Advocacy, connectedTo, Chemical Recycling>
+<Recycling Policy Advocacy, connectedTo, Deposit_Return Schemes>
+<Recycling Policy Advocacy, connectedTo, Recycling Data Tracking>
+<Sorting and Segregation, connectedTo, Industrial Recycling Programs>
+<Waste Audit for Recycling, connectedTo, Deposit_Return Schemes>
+<Waste Audit for Recycling, connectedTo, Recycling Data Tracking>
diff --git a/train/graphviz/hard/graphviz_347.dot b/train/graphviz/hard/graphviz_347.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3efe6699a443fbe0ea7e4594c111fcb78b9b7005
--- /dev/null
+++ b/train/graphviz/hard/graphviz_347.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=LR
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+	N7 [label="Recycling Policy Advocacy" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N8 [label="Construction Waste Recycling" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N9 [label="Life Cycle Assessment" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N10 [label="Deposit_Return Schemes" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+	N11 [label="Plastic Recycling" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N12 [label="New Product Manufacturing" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N13 [label="Recycling Data Tracking" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N14 [label="Hazardous Material Recovery" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N15 [label="Energy Recovery from Non_Recyclables" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N16 [label="Cleaning and Processing" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
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+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N6 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_347.txt b/train/graphviz/hard/graphviz_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6053d3d509c2d4ca72ab6fdd8848d2a01780442e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_347.txt
@@ -0,0 +1,35 @@
+<Circular Economy Implementation, connectedTo, Material Collection>
+<Cleaning and Processing, connectedTo, Reprocessing into Raw Material>
+<Commercial Recycling Solutions, connectedTo, Recycling Education>
+<Commercial Recycling Solutions, partOf, Commercial Recycling Solutions>
+<Construction Waste Recycling, connectedTo, Reprocessing into Raw Material>
+<Construction Waste Recycling, reduces, Life Cycle Assessment>
+<Contamination Reduction, connectedTo, Waste Stream Analysis>
+<Contamination Reduction, partOf, Contamination Reduction>
+<Deposit_Return Schemes, finances, Plastic Recycling>
+<End_of_Life Product Management, connectedTo, Recycling Market Development>
+<Energy Recovery from Non_Recyclables, connectedTo, Cleaning and Processing>
+<Energy Recovery from Non_Recyclables, connectedTo, Reprocessing into Raw Material>
+<Glass Recycling, connectedTo, Contamination Reduction>
+<Glass Recycling, connectedTo, Waste Audit for Recycling>
+<Hazardous Material Recovery, connectedTo, Cleaning and Processing>
+<Hazardous Material Recovery, connectedTo, Reprocessing into Raw Material>
+<Hazardous Material Recovery, reuses, Energy Recovery from Non_Recyclables>
+<Life Cycle Assessment, connectedTo, Deposit_Return Schemes>
+<Material Collection, connectedTo, Construction Waste Recycling>
+<Material Collection, connectedTo, Glass Recycling>
+<Material Collection, connectedTo, Waste Audit for Recycling>
+<Material Purity Testing, connectedTo, Circular Economy Implementation>
+<Material Purity Testing, connectedTo, Commercial Recycling Solutions>
+<New Product Manufacturing, connectedTo, Recycling Data Tracking>
+<Plastic Recycling, promotes, New Product Manufacturing>
+<Recycling Data Tracking, connectedTo, Hazardous Material Recovery>
+<Recycling Education, connectedTo, Recycling Market Development>
+<Recycling Education, partOf, Recycling Education>
+<Recycling Market Development, connectedTo, Circular Economy Implementation>
+<Recycling Market Development, connectedTo, Deposit_Return Schemes>
+<Recycling Market Development, connectedTo, Material Purity Testing>
+<Recycling Policy Advocacy, enforces, Construction Waste Recycling>
+<Waste Audit for Recycling, connectedTo, Recycling Policy Advocacy>
+<Waste Stream Analysis, connectedTo, Life Cycle Assessment>
+<Waste Stream Analysis, partOf, Waste Stream Analysis>
diff --git a/train/graphviz/hard/graphviz_35.txt b/train/graphviz/hard/graphviz_35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..18c3edafb8da83446a77d411af00678d5e1011c7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_35.txt
@@ -0,0 +1,32 @@
+<Cart Abandonment, connectedTo, Refund Process>
+<Cart Abandonment, supports, Inventory Update>
+<Customer Segmentation, connectedTo, Cart Abandonment>
+<Customer Segmentation, connectedTo, Inventory Update>
+<Delivery Tracking, connectedTo, Marketing Campaign Launch>
+<Fraud Detection, connectedTo, Return Merchandise Authorization>
+<Fraud Detection, partOf, Fraud Detection>
+<Gift Card Purchase, connectedTo, Refund Process>
+<Gift Card Purchase, partOf, Gift Card Purchase>
+<Inventory Update, connectedTo, Order Confirmation>
+<Marketing Campaign Launch, delivers, Loyalty Points>
+<Mobile App Interaction, connectedTo, Customer Segmentation>
+<Order Confirmation, connectedTo, Delivery Tracking>
+<Order Confirmation, connectedTo, Fraud Detection>
+<Order Confirmation, connectedTo, Payment>
+<Payment, connectedTo, Gift Card Purchase>
+<Payment, partOf, Payment>
+<Price Adjustment, connectedTo, Cart Abandonment>
+<Price Adjustment, connectedTo, Loyalty Points>
+<Price Adjustment, connectedTo, Mobile App Interaction>
+<Price Adjustment, connectedTo, Refund Process>
+<Price Adjustment, connectedTo, User Account Management>
+<Promotion Application, connectedTo, User Account Management>
+<Promotion Application, partOf, Promotion Application>
+<Refund Process, connectedTo, Inventory Update>
+<Return Merchandise Authorization, connectedTo, Promotion Application>
+<Return Merchandise Authorization, partOf, Return Merchandise Authorization>
+<Up_selling Offer, connectedTo, Cart Abandonment>
+<Up_selling Offer, connectedTo, Price Adjustment>
+<User Account Management, connectedTo, Cart Abandonment>
+<User Account Management, connectedTo, Customer Segmentation>
+<User Account Management, connectedTo, Mobile App Interaction>
diff --git a/train/graphviz/hard/graphviz_350.dot b/train/graphviz/hard/graphviz_350.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8ad4d2b7daf802015f9d121c2e091d15bdbc250b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_350.dot
@@ -0,0 +1,68 @@
+digraph {
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+		nest1_0 [label="Paper Recycling" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+		nest1_1 [label="Recycling Market Development" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+		nest1_2 [label="Reprocessing into Raw Material" color="#42A5F5" fillcolor="#F1F8FF" shape=parallelogram style=filled]
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diff --git a/train/graphviz/hard/graphviz_353.dot b/train/graphviz/hard/graphviz_353.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8e17b25d021c81f2060ab9c59d2fa5f5b200ac57
--- /dev/null
+++ b/train/graphviz/hard/graphviz_353.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=RL
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+	N5 [label="Forest Inventory" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N6 [label=Reforestation color="#FFF9AE" fillcolor="#FFFCE6" shape=oval style=filled]
+	N7 [label="Forest Road Construction" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
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+	N12 [label="Tree Nursery Management" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N13 [label="Forest Carbon Accounting" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_354.dot b/train/graphviz/hard/graphviz_354.dot
new file mode 100644
index 0000000000000000000000000000000000000000..732ed9730960491f9c667402eb69366ca803b5ab
--- /dev/null
+++ b/train/graphviz/hard/graphviz_354.dot
@@ -0,0 +1,78 @@
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+		nest1_2 [label="Climate Change Adaptation in Forests" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_355.dot b/train/graphviz/hard/graphviz_355.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cc0f10dbff6716da04c7c74bbfb3f6728c026e35
--- /dev/null
+++ b/train/graphviz/hard/graphviz_355.dot
@@ -0,0 +1,64 @@
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diff --git a/train/graphviz/hard/graphviz_355.txt b/train/graphviz/hard/graphviz_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62e95b625d89392b71fcf2bb0c9a2ca07f689f58
--- /dev/null
+++ b/train/graphviz/hard/graphviz_355.txt
@@ -0,0 +1,35 @@
+<Afforestation, connectedTo, Erosion Control>
+<Afforestation, partOf, Afforestation>
+<Biodiversity Conservation in Forests, connectedTo, Erosion Control>
+<Biodiversity Conservation in Forests, connectedTo, Forest Inventory>
+<Biomass Production from Forests, connectedTo, Forestry Equipment Maintenance>
+<Biomass Production from Forests, partOf, Biomass Production from Forests>
+<Carbon Sequestration Monitoring, connectedTo, Illegal Logging Prevention>
+<Carbon Sequestration Monitoring, connectedTo, Watershed Protection>
+<Ecological Restoration, connectedTo, Public Access Management>
+<Erosion Control, connectedTo, Biomass Production from Forests>
+<Erosion Control, partOf, Erosion Control>
+<Forest Fire Management, connectedTo, Afforestation>
+<Forest Fire Management, connectedTo, Public Access Management>
+<Forest Fire Management, connectedTo, Tree Nursery Management>
+<Forest Fire Management, sells, Urban Forestry Management>
+<Forest Inventory, connectedTo, Ecological Restoration>
+<Forest Inventory, connectedTo, Public Access Management>
+<Forest Inventory, connectedTo, Sawmill Processing>
+<Forest Inventory, reports, Soil Conservation>
+<Forest Road Construction, connectedTo, Ecological Restoration>
+<Forestry Equipment Maintenance, connectedTo, Biodiversity Conservation in Forests>
+<Forestry Equipment Maintenance, partOf, Forestry Equipment Maintenance>
+<Illegal Logging Prevention, connectedTo, Forest Road Construction>
+<Reforestation, connectedTo, Soil Conservation>
+<Reforestation, partOf, Reforestation>
+<Sawmill Processing, connectedTo, Soil Conservation>
+<Soil Conservation, connectedTo, Illegal Logging Prevention>
+<Tree Nursery Management, connectedTo, Reforestation>
+<Tree Nursery Management, partOf, Tree Nursery Management>
+<Tree Planting, connectedTo, Forest Fire Management>
+<Urban Forestry Management, connectedTo, Biodiversity Conservation in Forests>
+<Urban Forestry Management, connectedTo, Illegal Logging Prevention>
+<Watershed Protection, connectedTo, Tree Planting>
+<Wildlife Habitat Management, connectedTo, Carbon Sequestration Monitoring>
+<Wildlife Habitat Management, connectedTo, Illegal Logging Prevention>
diff --git a/train/graphviz/hard/graphviz_356.dot b/train/graphviz/hard/graphviz_356.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d864748dae05bea916aa3a04e9757cb2a7b4954d
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diff --git a/train/graphviz/hard/graphviz_357.dot b/train/graphviz/hard/graphviz_357.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3a03daa0b605b776e53a7e7b97ac826dfc4a825d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_357.dot
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diff --git a/train/graphviz/hard/graphviz_357.txt b/train/graphviz/hard/graphviz_357.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4f34b0a8d38399e7024ad68251356296e3a99ce0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_357.txt
@@ -0,0 +1,43 @@
+<Afforestation, connectedTo, GIS Mapping for Forestry>
+<Afforestation, connectedTo, Non_Timber Forest Product Collection>
+<Afforestation, connectedTo, Silviculture>
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+<Afforestation, connectedTo, Urban Forestry Management>
+<Carbon Sequestration Monitoring, connectedTo, Indigenous Forestry Practices>
+<Carbon Sequestration Monitoring, partOf, Carbon Sequestration Monitoring>
+<Climate Change Adaptation in Forests, connectedTo, Forest Research>
+<Climate Change Adaptation in Forests, connectedTo, Wildlife Habitat Management>
+<Drone Surveying for Forests, connectedTo, Forest Land Use Planning>
+<Drone Surveying for Forests, partOf, Drone Surveying for Forests>
+<Ecological Restoration, connectedTo, Forestry Equipment Maintenance>
+<Ecological Restoration, partOf, Ecological Restoration>
+<Erosion Control, connectedTo, Forestry Equipment Maintenance>
+<Forest Fire Management, connectedTo, Illegal Logging Prevention>
+<Forest Health Monitoring, connectedTo, Forest Fire Management>
+<Forest Land Use Planning, connectedTo, Wood Product Manufacturing>
+<Forest Land Use Planning, partOf, Forest Land Use Planning>
+<Forest Research, connectedTo, Ecological Restoration>
+<Forest Research, partOf, Forest Research>
+<Forestry Education, connectedTo, Carbon Sequestration Monitoring>
+<Forestry Education, connectedTo, Pest and Disease Control>
+<Forestry Equipment Maintenance, connectedTo, Climate Change Adaptation in Forests>
+<GIS Mapping for Forestry, connectedTo, Tree Planting>
+<Illegal Logging Prevention, connectedTo, Non_Timber Forest Product Collection>
+<Indigenous Forestry Practices, connectedTo, Drone Surveying for Forests>
+<Indigenous Forestry Practices, partOf, Indigenous Forestry Practices>
+<Pest and Disease Control, connectedTo, Recreation Management>
+<Pest and Disease Control, connectedTo, Silviculture>
+<Recreation Management, connectedTo, Silviculture>
+<Silviculture, connectedTo, GIS Mapping for Forestry>
+<Soil Conservation, connectedTo, Afforestation>
+<Sustainable Forest Management, develops, Wood Product Manufacturing>
+<Tree Planting, connectedTo, Watershed Protection>
+<Urban Forestry Management, connectedTo, Silviculture>
+<Urban Forestry Management, connectedTo, Sustainable Forest Management>
+<Watershed Protection, connectedTo, Climate Change Adaptation in Forests>
+<Watershed Protection, connectedTo, Erosion Control>
+<Watershed Protection, connectedTo, Forest Fire Management>
+<Watershed Protection, connectedTo, Forest Health Monitoring>
+<Watershed Protection, connectedTo, Illegal Logging Prevention>
+<Wildlife Habitat Management, connectedTo, Forest Health Monitoring>
+<Wood Product Manufacturing, connectedTo, Forestry Education>
diff --git a/train/graphviz/hard/graphviz_359.dot b/train/graphviz/hard/graphviz_359.dot
new file mode 100644
index 0000000000000000000000000000000000000000..88b4ce2cd419f61ca73920cdb687a9f366f9cc95
--- /dev/null
+++ b/train/graphviz/hard/graphviz_359.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=LR
+	N0 [label="Logging Operations" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N1 [label=Afforestation color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N2 [label="Urban Forestry Management" color="#FFB74D" fillcolor="#FFF3E0" shape=oval style=filled]
+	N3 [label="GIS Mapping for Forestry" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N4 [label="Forest Health Monitoring" color="#FFB74D" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
+	N5 [label="Timber Harvesting" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N6 [label="Forest Land Use Planning" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N7 [label="Tree Planting" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N8 [label="Forest Fire Management" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N9 [label="Illegal Logging Prevention" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+	N10 [label="Non_Timber Forest Product Collection" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N11 [label="Erosion Control" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N12 [label="Ecological Restoration" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	S0 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FF5722" fillcolor="#FFCCBC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#FFB74D" fillcolor="#FFF3E0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Carbon Sequestration Monitoring" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Forestry Education" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+		nest0_1 [label="Pest and Disease Control" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=treats color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Forest Inventory" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Forest Road Construction" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+		nest1_1 [label="Forest Certification" color="#FFB74D" fillcolor="#FFF3E0" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N8 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest1_0 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N12 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#FF5722" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N11 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	S2 -> N11 [label=irrigates color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#FF5722" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_359.txt b/train/graphviz/hard/graphviz_359.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c67baa3d41451b969c6cf6c87d090e7a6a9cdef
--- /dev/null
+++ b/train/graphviz/hard/graphviz_359.txt
@@ -0,0 +1,38 @@
+<Afforestation, connectedTo, Tree Planting>
+<Afforestation, connectedTo, Urban Forestry Management>
+<Erosion Control, connectedTo, Ecological Restoration>
+<Forest Certification, connectedTo, Ecological Restoration>
+<Forest Certification, partOf, Forest Certification>
+<Forest Fire Management, connectedTo, Illegal Logging Prevention>
+<Forest Health Monitoring, connectedTo, Forestry Education>
+<Forest Health Monitoring, connectedTo, Timber Harvesting>
+<Forest Land Use Planning, connectedTo, Tree Planting>
+<Forest Road Construction, connectedTo, Forest Certification>
+<Forest Road Construction, partOf, Forest Road Construction>
+<Forestry Education, partOf, Forestry Education>
+<Forestry Education, treats, Pest and Disease Control>
+<GIS Mapping for Forestry, connectedTo, Ecological Restoration>
+<GIS Mapping for Forestry, connectedTo, Erosion Control>
+<GIS Mapping for Forestry, connectedTo, Forest Fire Management>
+<GIS Mapping for Forestry, connectedTo, Forest Health Monitoring>
+<GIS Mapping for Forestry, connectedTo, Illegal Logging Prevention>
+<GIS Mapping for Forestry, connectedTo, Non_Timber Forest Product Collection>
+<GIS Mapping for Forestry, connectedTo, Timber Harvesting>
+<GIS Mapping for Forestry, connectedTo, Tree Planting>
+<GIS Mapping for Forestry, irrigates, Erosion Control>
+<Illegal Logging Prevention, connectedTo, Non_Timber Forest Product Collection>
+<Logging Operations, connectedTo, Afforestation>
+<Logging Operations, connectedTo, Illegal Logging Prevention>
+<Non_Timber Forest Product Collection, connectedTo, Erosion Control>
+<Pest and Disease Control, connectedTo, Forest Fire Management>
+<Pest and Disease Control, partOf, Pest and Disease Control>
+<Timber Harvesting, connectedTo, Forest Land Use Planning>
+<Timber Harvesting, connectedTo, Forest Road Construction>
+<Tree Planting, connectedTo, Ecological Restoration>
+<Tree Planting, connectedTo, Erosion Control>
+<Tree Planting, connectedTo, Forest Fire Management>
+<Tree Planting, connectedTo, Illegal Logging Prevention>
+<Tree Planting, connectedTo, Non_Timber Forest Product Collection>
+<Urban Forestry Management, connectedTo, GIS Mapping for Forestry>
+<Urban Forestry Management, connectedTo, Illegal Logging Prevention>
+<Urban Forestry Management, connectedTo, Tree Planting>
diff --git a/train/graphviz/hard/graphviz_36.txt b/train/graphviz/hard/graphviz_36.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1ab39f09de883d3c708af82c8c849d0723bb877
--- /dev/null
+++ b/train/graphviz/hard/graphviz_36.txt
@@ -0,0 +1,43 @@
+<A or B Testing, connectedTo, Delivery Rescheduling>
+<Add to Cart, connectedTo, Stock Replenishment>
+<Cross_selling Recommendation, connectedTo, Promotion Application>
+<Customer Inquiry, connectedTo, Order Confirmation>
+<Customer Inquiry, partOf, Customer Inquiry>
+<Customer Review, connectedTo, Delivery Tracking>
+<Customer Review, connectedTo, Return Merchandise Authorization>
+<Customer Segmentation, connectedTo, Payment>
+<Customer Segmentation, partOf, Customer Segmentation>
+<Delivery Rescheduling, connectedTo, Social Media Integration>
+<Delivery Tracking, connectedTo, Warehouse Management>
+<Gift Card Purchase, connectedTo, Live Chat Support>
+<Gift Card Purchase, generates, Search Engine Optimization>
+<Gift Card Purchase, updates, Shipment>
+<Invoice Generation, connectedTo, Loyalty Points>
+<Invoice Generation, partOf, Invoice Generation>
+<Live Chat Support, connectedTo, Search Engine Optimization>
+<Live Chat Support, monitors, Up_selling Offer>
+<Loyalty Points, connectedTo, Supplier Onboarding>
+<Loyalty Points, partOf, Loyalty Points>
+<Order Confirmation, connectedTo, A or B Testing>
+<Package Return, connectedTo, Customer Segmentation>
+<Package Return, connectedTo, Price Adjustment>
+<Package Return, connectedTo, Social Media Integration>
+<Payment, connectedTo, Customer Inquiry>
+<Payment, partOf, Payment>
+<Price Adjustment, connectedTo, Social Media Integration>
+<Price Adjustment, connectedTo, Supplier Onboarding>
+<Price Adjustment, discounts, Delivery Tracking>
+<Promotion Application, connectedTo, Customer Review>
+<Return Merchandise Authorization, connectedTo, Delivery Tracking>
+<Return Merchandise Authorization, connectedTo, Package Return>
+<Shipment, connectedTo, Live Chat Support>
+<Social Media Integration, connectedTo, Gift Card Purchase>
+<Stock Replenishment, connectedTo, Delivery Tracking>
+<Supplier Onboarding, connectedTo, Add to Cart>
+<Up_selling Offer, connectedTo, User Account Management>
+<Up_selling Offer, partOf, Up_selling Offer>
+<User Account Management, connectedTo, Invoice Generation>
+<User Account Management, partOf, User Account Management>
+<Warehouse Management, connectedTo, Live Chat Support>
+<Warehouse Management, connectedTo, Order Confirmation>
+<Warehouse Management, connectedTo, Social Media Integration>
diff --git a/train/graphviz/hard/graphviz_360.txt b/train/graphviz/hard/graphviz_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..58583f5c2d8136740faed66656b6561af768cfce
--- /dev/null
+++ b/train/graphviz/hard/graphviz_360.txt
@@ -0,0 +1,37 @@
+<Biodiversity Conservation in Forests, connectedTo, Silviculture>
+<Biodiversity Conservation in Forests, connectedTo, Soil Conservation>
+<Carbon Sequestration Monitoring, connectedTo, Biodiversity Conservation in Forests>
+<Climate Change Adaptation in Forests, connectedTo, Forestry Education>
+<Drone Surveying for Forests, connectedTo, Wood Product Manufacturing>
+<Ecological Restoration, partOf, Ecological Restoration>
+<Ecological Restoration, restores, Forest Certification>
+<Erosion Control, measures, Forest Land Use Planning>
+<Forest Certification, educates, Wood Product Manufacturing>
+<Forest Certification, partOf, Forest Certification>
+<Forest Health Monitoring, connectedTo, Forestry Education>
+<Forest Health Monitoring, partOf, Forest Health Monitoring>
+<Forest Land Use Planning, connectedTo, Carbon Sequestration Monitoring>
+<Forest Research, connectedTo, Erosion Control>
+<Forest Research, connectedTo, Recreation Management>
+<Forest Road Construction, connectedTo, Climate Change Adaptation in Forests>
+<Forest Road Construction, connectedTo, Public Access Management>
+<Forest Road Construction, connectedTo, Recreation Management>
+<Forest Road Construction, connectedTo, Soil Conservation>
+<Forest Road Construction, connectedTo, Timber Harvesting>
+<Forest Road Construction, connectedTo, Watershed Protection>
+<Forestry Education, connectedTo, Reforestation>
+<Pest and Disease Control, connectedTo, Watershed Protection>
+<Public Access Management, connectedTo, Urban Forestry Management>
+<Recreation Management, connectedTo, Climate Change Adaptation in Forests>
+<Reforestation, connectedTo, Erosion Control>
+<Reforestation, connectedTo, Public Access Management>
+<Sawmill Processing, connectedTo, Pest and Disease Control>
+<Silviculture, partOf, Silviculture>
+<Silviculture, treats, Forest Health Monitoring>
+<Soil Conservation, connectedTo, Non_Timber Forest Product Collection>
+<Timber Harvesting, connectedTo, Sawmill Processing>
+<Timber Harvesting, connectedTo, Watershed Protection>
+<Urban Forestry Management, connectedTo, Drone Surveying for Forests>
+<Watershed Protection, connectedTo, Ecological Restoration>
+<Watershed Protection, connectedTo, Forest Research>
+<Wood Product Manufacturing, connectedTo, Erosion Control>
diff --git a/train/graphviz/hard/graphviz_361.dot b/train/graphviz/hard/graphviz_361.dot
new file mode 100644
index 0000000000000000000000000000000000000000..805f72fe7e64cff6cad4f05d473b30ba41626ede
--- /dev/null
+++ b/train/graphviz/hard/graphviz_361.dot
@@ -0,0 +1,87 @@
+digraph {
+	rankdir=RL
+	N0 [label="Behavioral Counseling" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Euthanasia Services" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N2 [label=Surgery color="#CDDC39" fillcolor="#E6EE9C" shape=diamond style=filled]
+	N3 [label=Diagnosis color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N4 [label="Farm Animal Health Management" color="#26A69A" fillcolor="#E0F2F1" shape=plaintext style=filled]
+	N5 [label="Veterinary Pathology" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+	N6 [label="Emergency Vet Services" color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+	N7 [label="Reproductive Services" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N8 [label="Client Communication" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N9 [label="Pain Management" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N10 [label="Sterilization Protocols" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N11 [label=Microchipping color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N12 [label="Public Health Vet Services" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N13 [label="Genetic Counseling for Animals" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+	N14 [label="Parasite Control" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N15 [label="Post_operative Care" color="#26A69A" fillcolor="#E0F2F1" shape=octagon style=filled]
+	N16 [label=Prescription color="#CDDC39" fillcolor="#E6EE9C" shape=plaintext style=filled]
+	N17 [label="Pet Check_up" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N18 [label="Veterinary Technology Training" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	S0 [label="" color="#CDDC39" fillcolor="#E6EE9C" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Nutritional Counseling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Medical Treatment" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+		nest0_1 [label="Livestock Disease Prevention" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+		nest0_2 [label="Dental Care" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Pharmacy Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Toxicology Testing" color="#26A69A" fillcolor="#E0F2F1" shape=folder style=filled]
+		nest1_1 [label="Biosecurity Measures" color="#26A69A" fillcolor="#E0F2F1" shape=Mdiamond style=filled]
+		nest1_2 [label="Anesthesia Administration" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [label=euthanizes color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label=examines color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [label=vaccinates color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=treats color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=anesthetizes color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N16 -> N17 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N17 -> N18 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest0_0 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N12 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest1_0 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N2 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N8 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N17 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N16 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N16 [label=communicates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [label=stitches color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M2 [color="#26A69A" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#26A69A" dir=forward penwidth=1.5 style=solid]
+	N4 -> M2 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N13 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_361.txt b/train/graphviz/hard/graphviz_361.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f745c14967a170143a05dabf1170dea5b5878e1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_361.txt
@@ -0,0 +1,47 @@
+<Anesthesia Administration, connectedTo, Surgery>
+<Anesthesia Administration, partOf, Anesthesia Administration>
+<Behavioral Counseling, communicates, Prescription>
+<Behavioral Counseling, connectedTo, Client Communication>
+<Behavioral Counseling, connectedTo, Post_operative Care>
+<Behavioral Counseling, connectedTo, Sterilization Protocols>
+<Behavioral Counseling, connectedTo, Veterinary Pathology>
+<Behavioral Counseling, examines, Euthanasia Services>
+<Biosecurity Measures, euthanizes, Anesthesia Administration>
+<Biosecurity Measures, partOf, Biosecurity Measures>
+<Client Communication, connectedTo, Genetic Counseling for Animals>
+<Client Communication, connectedTo, Pain Management>
+<Client Communication, connectedTo, Pet Check_up>
+<Client Communication, connectedTo, Prescription>
+<Dental Care, connectedTo, Public Health Vet Services>
+<Dental Care, partOf, Dental Care>
+<Diagnosis, connectedTo, Veterinary Pathology>
+<Diagnosis, treats, Farm Animal Health Management>
+<Emergency Vet Services, connectedTo, Reproductive Services>
+<Emergency Vet Services, connectedTo, Toxicology Testing>
+<Euthanasia Services, connectedTo, Genetic Counseling for Animals>
+<Euthanasia Services, connectedTo, Surgery>
+<Euthanasia Services, connectedTo, Veterinary Pathology>
+<Farm Animal Health Management, connectedTo, Client Communication>
+<Farm Animal Health Management, connectedTo, Genetic Counseling for Animals>
+<Farm Animal Health Management, connectedTo, Veterinary Pathology>
+<Genetic Counseling for Animals, connectedTo, Parasite Control>
+<Livestock Disease Prevention, connectedTo, Dental Care>
+<Livestock Disease Prevention, partOf, Livestock Disease Prevention>
+<Medical Treatment, connectedTo, Livestock Disease Prevention>
+<Medical Treatment, partOf, Medical Treatment>
+<Microchipping, connectedTo, Public Health Vet Services>
+<Pain Management, connectedTo, Genetic Counseling for Animals>
+<Pain Management, connectedTo, Medical Treatment>
+<Pain Management, connectedTo, Sterilization Protocols>
+<Parasite Control, connectedTo, Post_operative Care>
+<Pet Check_up, connectedTo, Veterinary Technology Training>
+<Post_operative Care, connectedTo, Prescription>
+<Prescription, connectedTo, Pet Check_up>
+<Public Health Vet Services, connectedTo, Genetic Counseling for Animals>
+<Reproductive Services, anesthetizes, Client Communication>
+<Sterilization Protocols, connectedTo, Microchipping>
+<Surgery, stitches, Client Communication>
+<Surgery, vaccinates, Diagnosis>
+<Toxicology Testing, connectedTo, Biosecurity Measures>
+<Toxicology Testing, partOf, Toxicology Testing>
+<Veterinary Pathology, connectedTo, Emergency Vet Services>
diff --git a/train/graphviz/hard/graphviz_362.dot b/train/graphviz/hard/graphviz_362.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f90c7aaef847d51c3853c76918bae96b13f6b535
--- /dev/null
+++ b/train/graphviz/hard/graphviz_362.dot
@@ -0,0 +1,83 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_365.dot b/train/graphviz/hard/graphviz_365.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b45ef97b5bfb153cf7b27cccb64ec1a545d5d23e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_365.dot
@@ -0,0 +1,80 @@
+digraph {
+	rankdir=TD
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diff --git a/train/graphviz/hard/graphviz_366.txt b/train/graphviz/hard/graphviz_366.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d132d974dcf5d799d020644cf47e6452aa4be8f9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_366.txt
@@ -0,0 +1,40 @@
+<Allergy Testing, connectedTo, Farm Animal Health Management>
+<Allergy Testing, connectedTo, Post_operative Care>
+<Animal Welfare Assessment, connectedTo, Euthanasia Services>
+<Behavioral Counseling, connectedTo, Veterinary Pathology>
+<Behavioral Counseling, partOf, Behavioral Counseling>
+<Emergency Vet Services, connectedTo, Spay or Neuter Procedure>
+<Euthanasia Services, connectedTo, Allergy Testing>
+<Farm Animal Health Management, connectedTo, Vaccination>
+<Hospice Care for Animals, complies, Farm Animal Health Management>
+<Hospice Care for Animals, connectedTo, Allergy Testing>
+<Hospice Care for Animals, connectedTo, Laboratory Testing>
+<Hospice Care for Animals, connectedTo, Nutritional Counseling>
+<Laboratory Testing, connectedTo, Animal Welfare Assessment>
+<Laboratory Testing, connectedTo, Farm Animal Health Management>
+<Livestock Disease Prevention, connectedTo, Public Health Vet Services>
+<Medical Treatment, connectedTo, Farm Animal Health Management>
+<Medical Treatment, orders, Behavioral Counseling>
+<Microchipping, admits, Sterilization Protocols>
+<Microchipping, connectedTo, Anesthesia Administration>
+<Microchipping, connectedTo, Farm Animal Health Management>
+<Microchipping, connectedTo, Medical Treatment>
+<Nutritional Counseling, connectedTo, Anesthesia Administration>
+<Nutritional Counseling, connectedTo, Livestock Disease Prevention>
+<Nutritional Counseling, connectedTo, Microchipping>
+<Nutritional Counseling, examines, Public Health Vet Services>
+<Post_operative Care, connectedTo, Emergency Vet Services>
+<Pre_surgical Assessment, connectedTo, Spay or Neuter Procedure>
+<Pre_surgical Assessment, partOf, Pre_surgical Assessment>
+<Prescription, connectedTo, Pre_surgical Assessment>
+<Prescription, partOf, Prescription>
+<Public Health Vet Services, connectedTo, Sterilization Protocols>
+<Spay or Neuter Procedure, connectedTo, Toxicology Testing>
+<Sterilization Protocols, connectedTo, Anesthesia Administration>
+<Sterilization Protocols, connectedTo, Prescription>
+<Toxicology Testing, connectedTo, Nutritional Counseling>
+<Vaccination, connectedTo, Livestock Disease Prevention>
+<Veterinary Pathology, connectedTo, Post_operative Care>
+<Veterinary Pathology, partOf, Veterinary Pathology>
+<Veterinary Technology Training, connectedTo, Farm Animal Health Management>
+<Veterinary Technology Training, connectedTo, Hospice Care for Animals>
diff --git a/train/graphviz/hard/graphviz_367.txt b/train/graphviz/hard/graphviz_367.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10c6fe856c7ca47252780d92a0a004227918e736
--- /dev/null
+++ b/train/graphviz/hard/graphviz_367.txt
@@ -0,0 +1,30 @@
+<Anesthesia Administration, connectedTo, Medical Treatment>
+<Anesthesia Administration, partOf, Anesthesia Administration>
+<Animal Welfare Assessment, connectedTo, Veterinary Technology Training>
+<Animal Welfare Assessment, partOf, Animal Welfare Assessment>
+<Dental Care, connectedTo, Medical Treatment>
+<Dental Care, connectedTo, Pre_surgical Assessment>
+<Dental Care, connectedTo, Prescription>
+<Euthanasia Services, connectedTo, Hospice Care for Animals>
+<Genetic Counseling for Animals, connectedTo, Anesthesia Administration>
+<Genetic Counseling for Animals, connectedTo, Hospice Care for Animals>
+<Genetic Counseling for Animals, partOf, Genetic Counseling for Animals>
+<Herd Health Programs, connectedTo, Sterilization Protocols>
+<Herd Health Programs, partOf, Herd Health Programs>
+<Hospice Care for Animals, connectedTo, Wildlife Rehabilitation>
+<Medical Treatment, connectedTo, Prescription>
+<Nutritional Counseling, connectedTo, Veterinary Pathology>
+<Nutritional Counseling, partOf, Nutritional Counseling>
+<Prescription, connectedTo, Pre_surgical Assessment>
+<Prescription, connectedTo, Public Health Vet Services>
+<Prescription, connectedTo, Wildlife Rehabilitation>
+<Public Health Vet Services, connectedTo, Euthanasia Services>
+<Sterilization Protocols, connectedTo, Genetic Counseling for Animals>
+<Sterilization Protocols, partOf, Sterilization Protocols>
+<Veterinary Pathology, connectedTo, Animal Welfare Assessment>
+<Veterinary Pathology, partOf, Veterinary Pathology>
+<Veterinary Technology Training, connectedTo, Wildlife Rehabilitation>
+<Veterinary Technology Training, partOf, Veterinary Technology Training>
+<Wildlife Rehabilitation, connectedTo, Herd Health Programs>
+<Wildlife Rehabilitation, connectedTo, Nutritional Counseling>
+<Wildlife Rehabilitation, connectedTo, Pre_surgical Assessment>
diff --git a/train/graphviz/hard/graphviz_369.txt b/train/graphviz/hard/graphviz_369.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93e3ee1961a2529687dcc49fc2d8770d2ee4ed79
--- /dev/null
+++ b/train/graphviz/hard/graphviz_369.txt
@@ -0,0 +1,44 @@
+<After_School Programs, connectedTo, Child Development Assessment>
+<After_School Programs, connectedTo, Child Psychology Application>
+<After_School Programs, connectedTo, Daily Activity Reporting>
+<After_School Programs, connectedTo, Emergency Evacuation Drills>
+<After_School Programs, develops, Nap Time Supervision>
+<Child Development Assessment, connectedTo, Infant Care>
+<Child Psychology Application, connectedTo, Preschool Education>
+<Creative Arts Activities, connectedTo, Early Literacy Programs>
+<Creative Arts Activities, guides, Safety Supervision>
+<Daily Activity Reporting, connectedTo, Music and Movement Activities>
+<Diaper Changing, connectedTo, Field Trip Organization>
+<Diaper Changing, connectedTo, Infant Care>
+<Diaper Changing, connectedTo, Motor Skill Development>
+<Diaper Changing, connectedTo, Staff Training and Certification>
+<Early Literacy Programs, connectedTo, Emotional Support>
+<Early Literacy Programs, partOf, Early Literacy Programs>
+<Emergency Evacuation Drills, connectedTo, Child Psychology Application>
+<Emergency Evacuation Drills, connectedTo, Learning Material Selection>
+<Emotional Support, connectedTo, Parent Communication>
+<Emotional Support, partOf, Emotional Support>
+<Enrollment and Admissions, connectedTo, Individualized Attention>
+<Enrollment and Admissions, partOf, Enrollment and Admissions>
+<Field Trip Organization, connectedTo, Enrollment and Admissions>
+<Field Trip Organization, partOf, Field Trip Organization>
+<First Aid Administration, connectedTo, Staff Training and Certification>
+<Group Activities Coordination, connectedTo, Diaper Changing>
+<Group Activities Coordination, connectedTo, Emergency Evacuation Drills>
+<Hygiene Practices, connectedTo, Creative Arts Activities>
+<Individualized Attention, connectedTo, Sensory Play>
+<Individualized Attention, partOf, Individualized Attention>
+<Learning Material Selection, connectedTo, Child Psychology Application>
+<Motor Skill Development, connectedTo, First Aid Administration>
+<Music and Movement Activities, connectedTo, Nap Time Supervision>
+<Nap Time Supervision, connectedTo, Emergency Evacuation Drills>
+<Outdoor Exploration, connectedTo, Learning Material Selection>
+<Outdoor Exploration, partOf, Outdoor Exploration>
+<Parent Communication, connectedTo, Outdoor Exploration>
+<Parent Communication, partOf, Parent Communication>
+<Preschool Education, connectedTo, Child Development Assessment>
+<Safety Supervision, connectedTo, Group Activities Coordination>
+<Sensory Play, connectedTo, Group Activities Coordination>
+<Sensory Play, partOf, Sensory Play>
+<Staff Training and Certification, connectedTo, After_School Programs>
+<Staff Training and Certification, connectedTo, Emergency Evacuation Drills>
diff --git a/train/graphviz/hard/graphviz_37.txt b/train/graphviz/hard/graphviz_37.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9aaa15627183f689e1e33668a61e5ede44d4efa3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_37.txt
@@ -0,0 +1,40 @@
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+<Add to Cart, connectedTo, Stock Replenishment>
+<Checkout, connectedTo, Delivery Tracking>
+<Checkout, connectedTo, Return Merchandise Authorization>
+<Cross_selling Recommendation, connectedTo, Customer Inquiry>
+<Cross_selling Recommendation, connectedTo, Customer Review>
+<Cross_selling Recommendation, connectedTo, Data Analytics Reporting>
+<Cross_selling Recommendation, connectedTo, Order Confirmation>
+<Cross_selling Recommendation, connectedTo, Package Return>
+<Customer Inquiry, connectedTo, Checkout>
+<Customer Review, connectedTo, Customer Inquiry>
+<Customer Review, connectedTo, Package Return>
+<Customer Review, connectedTo, Stock Replenishment>
+<Customer Segmentation, connectedTo, Social Media Integration>
+<Customer Segmentation, partOf, Customer Segmentation>
+<Data Analytics Reporting, connectedTo, Customer Review>
+<Data Analytics Reporting, connectedTo, Stock Replenishment>
+<Delivery Rescheduling, connectedTo, Invoice Generation>
+<Delivery Tracking, connectedTo, Marketing Campaign Launch>
+<Delivery Tracking, partOf, Delivery Tracking>
+<Gift Card Purchase, connectedTo, Add to Cart>
+<Invoice Generation, adds, Customer Segmentation>
+<Invoice Generation, confirms, Gift Card Purchase>
+<Loyalty Points, connectedTo, Invoice Generation>
+<Loyalty Points, partOf, Loyalty Points>
+<Marketing Campaign Launch, connectedTo, Payment Gateway Reconciliation>
+<Marketing Campaign Launch, partOf, Marketing Campaign Launch>
+<Mobile App Interaction, connectedTo, Loyalty Points>
+<Mobile App Interaction, partOf, Mobile App Interaction>
+<Order Confirmation, connectedTo, Customer Inquiry>
+<Order Confirmation, connectedTo, Data Analytics Reporting>
+<Package Return, connectedTo, Checkout>
+<Package Return, connectedTo, Customer Inquiry>
+<Package Return, connectedTo, Stock Replenishment>
+<Payment Gateway Reconciliation, connectedTo, Customer Review>
+<Payment Gateway Reconciliation, partOf, Payment Gateway Reconciliation>
+<Promotion Application, connectedTo, Delivery Rescheduling>
+<Social Media Integration, connectedTo, Mobile App Interaction>
+<Social Media Integration, partOf, Social Media Integration>
+<Stock Replenishment, processes, Customer Inquiry>
diff --git a/train/graphviz/hard/graphviz_371.dot b/train/graphviz/hard/graphviz_371.dot
new file mode 100644
index 0000000000000000000000000000000000000000..05b8eafe4bddbfbcb2c4c03e9b521a98752f481f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_371.dot
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diff --git a/train/graphviz/hard/graphviz_372.dot b/train/graphviz/hard/graphviz_372.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fc0bff40667fb0d0301a3898f630c6e44c47a4a7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_372.dot
@@ -0,0 +1,72 @@
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diff --git a/train/graphviz/hard/graphviz_374.txt b/train/graphviz/hard/graphviz_374.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5dfcbce83411241e42be539ea277564fcaac7795
--- /dev/null
+++ b/train/graphviz/hard/graphviz_374.txt
@@ -0,0 +1,41 @@
+<Behavior Management, comforts, Music and Movement Activities>
+<Child Development Assessment, connectedTo, Behavior Management>
+<Child Protection Policies, connectedTo, Behavior Management>
+<Child Protection Policies, connectedTo, Motor Skill Development>
+<Child Protection Policies, connectedTo, Outdoor Play Supervision>
+<Child Protection Policies, connectedTo, Toddler Activities>
+<Childcare Facility Licensing, connectedTo, Emotional Support>
+<Childcare Facility Licensing, connectedTo, Nutritional Meal Preparation>
+<Daily Activity Reporting, connectedTo, Preschool Education>
+<Daily Activity Reporting, partOf, Daily Activity Reporting>
+<Emotional Support, connectedTo, Potty Training Assistance>
+<Emotional Support, partOf, Emotional Support>
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+<Nap Time Supervision, connectedTo, Special Needs Accommodation>
+<Nap Time Supervision, connectedTo, Staff Training and Certification>
+<Nap Time Supervision, connectedTo, Toddler Activities>
+<Outdoor Play Supervision, connectedTo, Parent_Teacher Conferences>
+<Parent Communication, connectedTo, Child Development Assessment>
+<Parent_Teacher Conferences, connectedTo, Motor Skill Development>
+<Potty Training Assistance, connectedTo, Social Skill Development>
+<Potty Training Assistance, partOf, Potty Training Assistance>
+<Preschool Education, connectedTo, First Aid Administration>
+<Preschool Education, partOf, Preschool Education>
+<Safety Supervision, connectedTo, Childcare Facility Licensing>
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+<Social Skill Development, connectedTo, Safety Supervision>
+<Social Skill Development, partOf, Social Skill Development>
+<Special Needs Accommodation, connectedTo, Child Protection Policies>
+<Staff Training and Certification, connectedTo, Child Protection Policies>
+<Staff Training and Certification, connectedTo, Special Needs Accommodation>
+<Story Time Reading, connectedTo, Outdoor Play Supervision>
+<Toddler Activities, connectedTo, Parent Communication>
diff --git a/train/graphviz/hard/graphviz_376.txt b/train/graphviz/hard/graphviz_376.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ecdcef98a3d4fb68dba9ccbb32526ace803ef93b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_376.txt
@@ -0,0 +1,45 @@
+<Behavior Management, connectedTo, Childcare Facility Licensing>
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+<Behavior Management, connectedTo, Sensory Play>
+<Behavior Management, connectedTo, Social Skill Development>
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+<Child Psychology Application, partOf, Child Psychology Application>
+<Childcare Facility Licensing, connectedTo, Special Needs Accommodation>
+<Early Literacy Programs, connectedTo, Outdoor Exploration>
+<Early Literacy Programs, partOf, Early Literacy Programs>
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+<Emergency Evacuation Drills, connectedTo, Story Time Reading>
+<Emergency Evacuation Drills, plans, Childcare Facility Licensing>
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diff --git a/train/graphviz/hard/graphviz_379.dot b/train/graphviz/hard/graphviz_379.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6b3722ce89cc5dbce871b78288ca371c988fc926
--- /dev/null
+++ b/train/graphviz/hard/graphviz_379.dot
@@ -0,0 +1,57 @@
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+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Mobility Support" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Elder Abuse Prevention" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+		nest1_1 [label="Community Resource Connection" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+		nest1_2 [label="Nutritional Assessment" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest1_3 [label="Physical Therapy" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=administers color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [label=escorts color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N3 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N2 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#7986CB" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N5 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [label=supervises color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [label=bathes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=therapies color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N3 -> S2 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N5 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N6 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_38.txt b/train/graphviz/hard/graphviz_38.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1353906a28d0e68b486c5278aacec01b3a2bd6c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_38.txt
@@ -0,0 +1,42 @@
+<A or B Testing, connectedTo, Marketing Campaign Launch>
+<A or B Testing, connectedTo, Price Adjustment>
+<A or B Testing, connectedTo, Product Listing>
+<A or B Testing, connectedTo, Supplier Onboarding>
+<Add to Cart, connectedTo, Delivery Rescheduling>
+<Cart Abandonment, connectedTo, Add to Cart>
+<Cart Abandonment, connectedTo, Delivery Tracking>
+<Cart Abandonment, connectedTo, Payment>
+<Cart Abandonment, connectedTo, Social Media Integration>
+<Cross_selling Recommendation, connectedTo, Product Listing>
+<Cross_selling Recommendation, partOf, Cross_selling Recommendation>
+<Customer Inquiry, connectedTo, Customer Review>
+<Customer Review, connectedTo, Social Media Integration>
+<Customer Review, personalizes, Supplier Onboarding>
+<Customer Segmentation, connectedTo, Loyalty Points>
+<Customer Segmentation, partOf, Customer Segmentation>
+<Delivery Rescheduling, connectedTo, A or B Testing>
+<Delivery Rescheduling, connectedTo, Customer Inquiry>
+<Delivery Rescheduling, connectedTo, Supplier Onboarding>
+<Delivery Rescheduling, connectedTo, User Account Management>
+<Delivery Tracking, updates, A or B Testing>
+<Fraud Detection, connectedTo, Up_selling Offer>
+<Inventory Update, connectedTo, Payment Gateway Reconciliation>
+<Inventory Update, partOf, Inventory Update>
+<Loyalty Points, connectedTo, Return Merchandise Authorization>
+<Loyalty Points, partOf, Loyalty Points>
+<Marketing Campaign Launch, connectedTo, Price Adjustment>
+<Payment, connectedTo, Shipment>
+<Payment Gateway Reconciliation, connectedTo, Cross_selling Recommendation>
+<Payment Gateway Reconciliation, partOf, Payment Gateway Reconciliation>
+<Price Adjustment, connectedTo, Inventory Update>
+<Price Adjustment, connectedTo, Product Listing>
+<Return Merchandise Authorization, connectedTo, Stock Replenishment>
+<Return Merchandise Authorization, partOf, Return Merchandise Authorization>
+<Shipment, connectedTo, Stock Replenishment>
+<Social Media Integration, connectedTo, User Account Management>
+<Stock Replenishment, connectedTo, Fraud Detection>
+<Supplier Onboarding, connectedTo, Customer Segmentation>
+<Supplier Onboarding, connectedTo, Marketing Campaign Launch>
+<Up_selling Offer, connectedTo, Delivery Tracking>
+<Up_selling Offer, connectedTo, Supplier Onboarding>
+<User Account Management, manages, Payment>
diff --git a/train/graphviz/hard/graphviz_383.txt b/train/graphviz/hard/graphviz_383.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1da5a6e30af07f9e6f6d0982c4107f2dc5b1bf2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_383.txt
@@ -0,0 +1,34 @@
+<Cognitive Stimulation Activities, connectedTo, Dementia Care>
+<Cognitive Stimulation Activities, connectedTo, Home Health Aide Services>
+<Cognitive Stimulation Activities, connectedTo, Personal Care Assistance>
+<Cognitive Stimulation Activities, connectedTo, Physical Therapy>
+<Cognitive Stimulation Activities, connectedTo, Social Engagement Activities>
+<Cognitive Stimulation Activities, coordinates, Mobility Support>
+<Companionship, connectedTo, Mobility Support>
+<Companionship, partOf, Companionship>
+<Dementia Care, connectedTo, Occupational Therapy>
+<Emergency Response System Monitoring, connectedTo, Cognitive Stimulation Activities>
+<Emergency Response System Monitoring, partOf, Emergency Response System Monitoring>
+<Health Monitoring, connectedTo, Dementia Care>
+<Home Health Aide Services, connectedTo, Social Engagement Activities>
+<Hospice Care Coordination, connectedTo, Long_Term Care Planning>
+<Hospice Care Coordination, partOf, Hospice Care Coordination>
+<Long_Term Care Planning, connectedTo, Companionship>
+<Long_Term Care Planning, partOf, Long_Term Care Planning>
+<Mobility Support, accompanies, Physical Therapy>
+<Occupational Therapy, connectedTo, Mobility Support>
+<Occupational Therapy, connectedTo, Personal Care Assistance>
+<Occupational Therapy, connectedTo, Physical Therapy>
+<Occupational Therapy, counsels, Hospice Care Coordination>
+<Palliative Care, connectedTo, Cognitive Stimulation Activities>
+<Palliative Care, connectedTo, Mobility Support>
+<Palliative Care, connectedTo, Social Engagement Activities>
+<Physical Therapy, connectedTo, Personal Care Assistance>
+<Physical Therapy, connectedTo, Safety Assessments>
+<Safety Assessments, connectedTo, Telehealth for Seniors>
+<Safety Assessments, partOf, Safety Assessments>
+<Social Engagement Activities, connectedTo, Health Monitoring>
+<Speech Therapy, connectedTo, Emergency Response System Monitoring>
+<Speech Therapy, partOf, Speech Therapy>
+<Telehealth for Seniors, connectedTo, Speech Therapy>
+<Telehealth for Seniors, partOf, Telehealth for Seniors>
diff --git a/train/graphviz/hard/graphviz_392.txt b/train/graphviz/hard/graphviz_392.txt
new file mode 100644
index 0000000000000000000000000000000000000000..424f5bef909c9660c5debd1d8ab7aaf930a83315
--- /dev/null
+++ b/train/graphviz/hard/graphviz_392.txt
@@ -0,0 +1,32 @@
+<Capacity Building for Local Communities, connectedTo, Search and Rescue Operations>
+<Capacity Building for Local Communities, partOf, Capacity Building for Local Communities>
+<Damage Assessment, connectedTo, Shelter Management>
+<Emergency Planning, connectedTo, Recovery Planning>
+<Emergency Planning, partOf, Emergency Planning>
+<Infrastructure Repair, connectedTo, Damage Assessment>
+<International Aid Coordination, connectedTo, Capacity Building for Local Communities>
+<International Aid Coordination, connectedTo, Policy and Legislation Review>
+<International Aid Coordination, connectedTo, Shelter Management>
+<Logistics and Supply Chain, provides, Evacuation Procedures>
+<Mitigation Strategies, connectedTo, Evacuation Procedures>
+<Mitigation Strategies, connectedTo, Post_Disaster Evaluation>
+<Mitigation Strategies, connectedTo, Resource Mobilization>
+<Mitigation Strategies, funds, Recovery Planning>
+<Policy and Legislation Review, connectedTo, Psychosocial Support>
+<Post_Disaster Evaluation, connectedTo, Infrastructure Repair>
+<Psychosocial Support, connectedTo, Infrastructure Repair>
+<Psychosocial Support, connectedTo, Logistics and Supply Chain>
+<Psychosocial Support, connectedTo, Mitigation Strategies>
+<Psychosocial Support, rebuilds, Risk Assessment>
+<Recovery Planning, rescues, Logistics and Supply Chain>
+<Resilience Building, locates, International Aid Coordination>
+<Resource Mobilization, connectedTo, Volunteer Coordination>
+<Risk Assessment, connectedTo, Emergency Planning>
+<Risk Assessment, partOf, Risk Assessment>
+<Search and Rescue Operations, connectedTo, Infrastructure Repair>
+<Search and Rescue Operations, partOf, Search and Rescue Operations>
+<Shelter Management, connectedTo, Evacuation Procedures>
+<Shelter Management, connectedTo, Logistics and Supply Chain>
+<Shelter Management, connectedTo, Recovery Planning>
+<Volunteer Coordination, connectedTo, Post_Disaster Evaluation>
+<Volunteer Coordination, recovers, Shelter Management>
diff --git a/train/graphviz/hard/graphviz_394.dot b/train/graphviz/hard/graphviz_394.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b4e35b5941a5beb25a42891429fc53d52dca4a1c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_394.dot
@@ -0,0 +1,84 @@
+digraph {
+	rankdir=RL
+	N0 [label="Counter_Terrorism Operations" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N1 [label=Reconnaissance color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N2 [label="Cyber Warfare Operations" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N3 [label="Chaplain Services" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+	N4 [label=Surveillance color="#80DDEA" fillcolor="#D3F7F9" shape=Mdiamond style=filled]
+	N5 [label="Space Operations" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N6 [label="Counter_Insurgency Operations" color="#80DDEA" fillcolor="#D3F7F9" shape=oval style=filled]
+	N7 [label="Military Strategy Development" color="#E91E63" fillcolor="#F8BBD0" shape=octagon style=filled]
+	N8 [label="Family Support Programs" color="#E91E63" fillcolor="#F8BBD0" shape=Mdiamond style=filled]
+	N9 [label="Combat Operations" color="#E91E63" fillcolor="#F8BBD0" shape=oval style=filled]
+	N10 [label="Operations Planning" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N11 [label="Rules of Engagement" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N12 [label="Defense Procurement" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N13 [label="Air Operations" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N14 [label="Supply Chain Management" color="#80DDEA" fillcolor="#D3F7F9" shape=octagon style=filled]
+	N15 [label="Naval Operations" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N16 [label=Targeting color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N17 [label="Basic Training" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#F8BBD0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E91E63" fillcolor="#F8BBD0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Electronic Warfare" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Recruitment color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
+		nest0_1 [label="Force Projection" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+		nest0_2 [label="Readiness Assessment" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+		nest0_3 [label="Ground Operations" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Peacekeeping Missions" color="#80DDEA" fillcolor="#D3F7F9" shape=Mdiamond style=filled]
+		nest1_1 [label="Veteran Support" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+		nest1_2 [label="Joint Exercises" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [label=mediates color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N16 -> N17 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	nest1_2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	S0 -> N10 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	S1 -> N15 [label=plans color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N11 -> S2 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N17 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [label=tests color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_394.txt b/train/graphviz/hard/graphviz_394.txt
new file mode 100644
index 0000000000000000000000000000000000000000..201245d9e11af7e44cf3b2b2c9ce5aeb41142187
--- /dev/null
+++ b/train/graphviz/hard/graphviz_394.txt
@@ -0,0 +1,45 @@
+<Air Operations, connectedTo, Supply Chain Management>
+<Chaplain Services, connectedTo, Rules of Engagement>
+<Chaplain Services, connectedTo, Space Operations>
+<Chaplain Services, connectedTo, Surveillance>
+<Combat Operations, connectedTo, Operations Planning>
+<Counter_Insurgency Operations, connectedTo, Military Strategy Development>
+<Counter_Insurgency Operations, connectedTo, Rules of Engagement>
+<Counter_Terrorism Operations, connectedTo, Reconnaissance>
+<Counter_Terrorism Operations, tests, Space Operations>
+<Cyber Warfare Operations, connectedTo, Chaplain Services>
+<Cyber Warfare Operations, connectedTo, Rules of Engagement>
+<Cyber Warfare Operations, connectedTo, Space Operations>
+<Cyber Warfare Operations, plans, Naval Operations>
+<Defense Procurement, connectedTo, Air Operations>
+<Family Support Programs, connectedTo, Combat Operations>
+<Family Support Programs, connectedTo, Peacekeeping Missions>
+<Force Projection, connectedTo, Readiness Assessment>
+<Force Projection, partOf, Force Projection>
+<Ground Operations, connectedTo, Basic Training>
+<Ground Operations, partOf, Ground Operations>
+<Joint Exercises, connectedTo, Surveillance>
+<Joint Exercises, partOf, Joint Exercises>
+<Military Strategy Development, connectedTo, Family Support Programs>
+<Naval Operations, connectedTo, Targeting>
+<Operations Planning, connectedTo, Rules of Engagement>
+<Peacekeeping Missions, connectedTo, Veteran Support>
+<Peacekeeping Missions, partOf, Peacekeeping Missions>
+<Readiness Assessment, connectedTo, Ground Operations>
+<Readiness Assessment, partOf, Readiness Assessment>
+<Reconnaissance, connectedTo, Cyber Warfare Operations>
+<Reconnaissance, connectedTo, Family Support Programs>
+<Reconnaissance, connectedTo, Operations Planning>
+<Reconnaissance, connectedTo, Recruitment>
+<Recruitment, connectedTo, Force Projection>
+<Recruitment, partOf, Recruitment>
+<Rules of Engagement, connectedTo, Air Operations>
+<Rules of Engagement, connectedTo, Basic Training>
+<Rules of Engagement, connectedTo, Defense Procurement>
+<Rules of Engagement, connectedTo, Naval Operations>
+<Space Operations, connectedTo, Counter_Insurgency Operations>
+<Supply Chain Management, mediates, Naval Operations>
+<Surveillance, connectedTo, Space Operations>
+<Targeting, connectedTo, Basic Training>
+<Veteran Support, connectedTo, Joint Exercises>
+<Veteran Support, partOf, Veteran Support>
diff --git a/train/graphviz/hard/graphviz_399.txt b/train/graphviz/hard/graphviz_399.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8f62ff38659e904c4eb88cf0424949dc30144ef
--- /dev/null
+++ b/train/graphviz/hard/graphviz_399.txt
@@ -0,0 +1,44 @@
+<Chaplain Services, connectedTo, Recruitment>
+<Civil_Military Cooperation, connectedTo, Equipment Maintenance>
+<Counter_Insurgency Operations, connectedTo, Surveillance>
+<Counter_Terrorism Operations, connectedTo, Personnel Management>
+<Counter_Terrorism Operations, connectedTo, Veteran Support>
+<Crisis Management, connectedTo, Supply Chain Management>
+<Cyber Warfare Operations, connectedTo, Unmanned Systems Operation>
+<Cyber Warfare Operations, partOf, Cyber Warfare Operations>
+<Demobilization, connectedTo, Counter_Insurgency Operations>
+<Demobilization, connectedTo, Family Support Programs>
+<Disaster Relief Deployment, connectedTo, Counter_Terrorism Operations>
+<Disaster Relief Deployment, connectedTo, Equipment Maintenance>
+<Disaster Relief Deployment, connectedTo, Supply Chain Management>
+<Disaster Relief Deployment, connectedTo, Veteran Support>
+<Electronic Warfare, connectedTo, Demobilization>
+<Electronic Warfare, connectedTo, Recruitment>
+<Electronic Warfare, connectedTo, Targeting>
+<Electronic Warfare, connectedTo, Weapon Systems Development>
+<Electronic Warfare, equips, Space Operations>
+<Equipment Maintenance, connectedTo, Electronic Warfare>
+<Equipment Maintenance, connectedTo, Logistics Support>
+<Family Support Programs, connectedTo, Military Law>
+<Family Support Programs, partOf, Family Support Programs>
+<Force Projection, connectedTo, Equipment Maintenance>
+<Force Projection, connectedTo, Veteran Support>
+<Logistics Support, partOf, Logistics Support>
+<Logistics Support, warns, Reconnaissance>
+<Military Law, connectedTo, Weapon Systems Development>
+<Military Law, partOf, Military Law>
+<Naval Operations, connectedTo, Crisis Management>
+<Peacekeeping Missions, connectedTo, Force Projection>
+<Peacekeeping Missions, connectedTo, Veteran Support>
+<Peacekeeping Missions, evaluates, Equipment Maintenance>
+<Personnel Management, connectedTo, Peacekeeping Missions>
+<Personnel Management, connectedTo, Veteran Support>
+<Reconnaissance, connectedTo, Cyber Warfare Operations>
+<Reconnaissance, partOf, Reconnaissance>
+<Recruitment, connectedTo, Naval Operations>
+<Space Operations, connectedTo, Demobilization>
+<Supply Chain Management, connectedTo, Weapon Systems Development>
+<Surveillance, connectedTo, Chaplain Services>
+<Unmanned Systems Operation, innovates, Civil_Military Cooperation>
+<Veteran Support, mediates, Unmanned Systems Operation>
+<Weapon Systems Development, connectedTo, Targeting>
diff --git a/train/graphviz/hard/graphviz_4.txt b/train/graphviz/hard/graphviz_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca34ab5def53a8a47737811e50d3906474b5e5ec
--- /dev/null
+++ b/train/graphviz/hard/graphviz_4.txt
@@ -0,0 +1,37 @@
+<Compliance Review, connectedTo, Fund Disbursement>
+<Compliance Review, connectedTo, Investment Planning>
+<Compliance Review, connectedTo, KYC Validation>
+<Credit Card Application, connectedTo, Income Verification>
+<Credit Card Application, partOf, Credit Card Application>
+<Credit Scoring, connectedTo, Customer Onboarding>
+<Credit Scoring, connectedTo, KYC Validation>
+<Cryptocurrency Exchange, connectedTo, Portfolio Management>
+<Cryptocurrency Exchange, partOf, Cryptocurrency Exchange>
+<Customer Onboarding, connectedTo, KYC Validation>
+<Customer Onboarding, connectedTo, Risk Assessment>
+<Financial Reporting, connectedTo, Compliance Review>
+<Fraud Check, connectedTo, Payment Gateway Integration>
+<Fraud Check, connectedTo, Wealth Management>
+<Fund Disbursement, underwrites, Fraud Check>
+<Income Verification, connectedTo, Wealth Management>
+<Income Verification, partOf, Income Verification>
+<Investment Planning, connectedTo, Credit Scoring>
+<Investment Planning, connectedTo, Transaction Audit>
+<KYC Validation, connectedTo, Fraud Check>
+<KYC Validation, connectedTo, Fund Disbursement>
+<KYC Validation, connectedTo, Mortgage Application>
+<KYC Validation, connectedTo, Underwriting>
+<Mortgage Application, connectedTo, Fraud Check>
+<Mortgage Application, connectedTo, Fund Disbursement>
+<Mortgage Application, connectedTo, Portfolio Management>
+<Mortgage Application, connectedTo, Transaction Audit>
+<Mortgage Application, connectedTo, Wealth Management>
+<Payment Gateway Integration, connectedTo, Cryptocurrency Exchange>
+<Payment Gateway Integration, partOf, Payment Gateway Integration>
+<Portfolio Management, connectedTo, Transaction Audit>
+<Risk Assessment, connectedTo, Transaction Logging>
+<Risk Assessment, partOf, Risk Assessment>
+<Transaction Audit, connectedTo, Fund Disbursement>
+<Transaction Logging, connectedTo, Credit Card Application>
+<Transaction Logging, partOf, Transaction Logging>
+<Wealth Management, connectedTo, Underwriting>
diff --git a/train/graphviz/hard/graphviz_40.txt b/train/graphviz/hard/graphviz_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..022a4780c9369363fe23baf8b632765f9d33cbe2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_40.txt
@@ -0,0 +1,38 @@
+<A or B Testing, connectedTo, Fraud Detection>
+<A or B Testing, connectedTo, Loyalty Points>
+<A or B Testing, connectedTo, Product Listing>
+<A or B Testing, supports, Up_selling Offer>
+<Cart Abandonment, partOf, Cart Abandonment>
+<Cart Abandonment, ships, Subscription Service>
+<Checkout, connectedTo, Price Adjustment>
+<Customer Review, connectedTo, Cart Abandonment>
+<Customer Review, partOf, Customer Review>
+<Customer Segmentation, connectedTo, Warehouse Management>
+<Fraud Detection, connectedTo, Loyalty Points>
+<Inventory Update, connectedTo, User Account Management>
+<Inventory Update, partOf, Inventory Update>
+<Loyalty Points, connectedTo, Up_selling Offer>
+<Package Return, connectedTo, Fraud Detection>
+<Package Return, returns, A or B Testing>
+<Payment Gateway Reconciliation, connectedTo, Wishlist Management>
+<Price Adjustment, connectedTo, Promotion Application>
+<Product Listing, connectedTo, Supplier Onboarding>
+<Product Listing, partOf, Product Listing>
+<Product Recommendation, connectedTo, Customer Segmentation>
+<Promotion Application, connectedTo, Fraud Detection>
+<Promotion Application, connectedTo, Inventory Update>
+<Promotion Application, connectedTo, Product Recommendation>
+<Promotion Application, connectedTo, Wishlist Management>
+<Search Engine Optimization, connectedTo, Checkout>
+<Search Engine Optimization, connectedTo, Fraud Detection>
+<Search Engine Optimization, connectedTo, Wishlist Management>
+<Subscription Service, connectedTo, Package Return>
+<Supplier Onboarding, connectedTo, A or B Testing>
+<Supplier Onboarding, partOf, Supplier Onboarding>
+<Up_selling Offer, connectedTo, Delivery Rescheduling>
+<User Account Management, connectedTo, Customer Review>
+<User Account Management, partOf, User Account Management>
+<Warehouse Management, connectedTo, Payment Gateway Reconciliation>
+<Wishlist Management, connectedTo, Fraud Detection>
+<Wishlist Management, refunds, Subscription Service>
+<Wishlist Management, responds, Loyalty Points>
diff --git a/train/graphviz/hard/graphviz_401.dot b/train/graphviz/hard/graphviz_401.dot
new file mode 100644
index 0000000000000000000000000000000000000000..577c4a0062fb7ee5def5ef4a32e7a263263f412e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_401.dot
@@ -0,0 +1,80 @@
+digraph {
+	rankdir=BT
+	N0 [label="Crew Scheduling" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N1 [label="Aircraft Maintenance" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N2 [label="Navigation System Check" color="#FFB2A5" fillcolor="#FFDCD6" shape=octagon style=filled]
+	N3 [label="Aircraft Manufacturing" color="#03A9F4" fillcolor="#B3E5FC" shape=Mdiamond style=filled]
+	N4 [label="Aircraft De_icing" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N5 [label="Airport Operations" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N6 [label="Airspace Management" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N7 [label="Airworthiness Certification" color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+	N8 [label="Remote Tower Operations" color="#03A9F4" fillcolor="#B3E5FC" shape=Mdiamond style=filled]
+	N9 [label="Air Cargo Logistics" color="#FFB2A5" fillcolor="#FFDCD6" shape=diamond style=filled]
+	N10 [label="Pilot Training" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	N11 [label="Delay Management" color="#03A9F4" fillcolor="#B3E5FC" shape=oval style=filled]
+	N12 [label="Noise Abatement Procedures" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N13 [label="Security Screening" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N14 [label="Air Traffic Control" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N15 [label="Avionics Repair" color="#FFB2A5" fillcolor="#FFDCD6" shape=Mdiamond style=filled]
+	N16 [label="Passenger Check_in" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	S0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#E57373" fillcolor="#FFEBEE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Unmanned Aerial Vehicle Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Fueling Operations" color="#03A9F4" fillcolor="#B3E5FC" shape=Mdiamond style=filled]
+		nest0_1 [label="Gate Assignment" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+		nest0_2 [label="Runway Management" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+		nest0_0 -> nest0_1 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Engine Overhaul" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Fleet Management" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+		nest1_1 [label="Next_Generation Air Traffic Management" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+		nest1_2 [label="Regulatory Compliance" color="#E57373" fillcolor="#FFEBEE" shape=folder style=filled]
+		nest1_0 -> nest1_1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [label=flies color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#03A9F4" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N14 -> N15 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest0_0 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N6 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N15 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	S1 -> N16 [label=unloads color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S2 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N14 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N10 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_401.txt b/train/graphviz/hard/graphviz_401.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21fc10259dcd5c68eff67420ccaaec41a79ca7e6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_401.txt
@@ -0,0 +1,42 @@
+<Air Cargo Logistics, connectedTo, Pilot Training>
+<Air Traffic Control, connectedTo, Avionics Repair>
+<Aircraft De_icing, connectedTo, Airport Operations>
+<Aircraft De_icing, connectedTo, Airworthiness Certification>
+<Aircraft De_icing, connectedTo, Pilot Training>
+<Aircraft Maintenance, connectedTo, Navigation System Check>
+<Aircraft Manufacturing, connectedTo, Aircraft De_icing>
+<Airport Operations, connectedTo, Airspace Management>
+<Airport Operations, connectedTo, Pilot Training>
+<Airspace Management, connectedTo, Air Traffic Control>
+<Airspace Management, connectedTo, Airworthiness Certification>
+<Airspace Management, connectedTo, Remote Tower Operations>
+<Airworthiness Certification, connectedTo, Air Cargo Logistics>
+<Airworthiness Certification, connectedTo, Air Traffic Control>
+<Airworthiness Certification, connectedTo, Avionics Repair>
+<Airworthiness Certification, connectedTo, Remote Tower Operations>
+<Avionics Repair, connectedTo, Fleet Management>
+<Avionics Repair, connectedTo, Passenger Check_in>
+<Crew Scheduling, connectedTo, Aircraft Maintenance>
+<Delay Management, connectedTo, Noise Abatement Procedures>
+<Fleet Management, connectedTo, Next_Generation Air Traffic Management>
+<Fleet Management, partOf, Fleet Management>
+<Fueling Operations, connectedTo, Gate Assignment>
+<Fueling Operations, partOf, Fueling Operations>
+<Gate Assignment, connectedTo, Runway Management>
+<Gate Assignment, partOf, Gate Assignment>
+<Navigation System Check, connectedTo, Aircraft Manufacturing>
+<Navigation System Check, connectedTo, Airworthiness Certification>
+<Navigation System Check, connectedTo, Fueling Operations>
+<Navigation System Check, connectedTo, Pilot Training>
+<Next_Generation Air Traffic Management, flies, Regulatory Compliance>
+<Next_Generation Air Traffic Management, partOf, Next_Generation Air Traffic Management>
+<Noise Abatement Procedures, connectedTo, Security Screening>
+<Pilot Training, connectedTo, Avionics Repair>
+<Pilot Training, connectedTo, Delay Management>
+<Pilot Training, unloads, Passenger Check_in>
+<Regulatory Compliance, connectedTo, Airworthiness Certification>
+<Regulatory Compliance, partOf, Regulatory Compliance>
+<Remote Tower Operations, connectedTo, Air Cargo Logistics>
+<Runway Management, connectedTo, Airspace Management>
+<Runway Management, partOf, Runway Management>
+<Security Screening, connectedTo, Air Traffic Control>
diff --git a/train/graphviz/hard/graphviz_402.txt b/train/graphviz/hard/graphviz_402.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17bb978fd6c58b1937d695e8bee80ee861a087a4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_402.txt
@@ -0,0 +1,28 @@
+<Air Traffic Control, connectedTo, Aviation Safety Investigation>
+<Air Traffic Control, connectedTo, Avionics Repair>
+<Air Traffic Control, connectedTo, Fleet Management>
+<Air Traffic Control, connectedTo, Fueling Operations>
+<Aircraft De_icing, connectedTo, Noise Abatement Procedures>
+<Aircraft De_icing, partOf, Aircraft De_icing>
+<Aircraft Manufacturing, connectedTo, Air Traffic Control>
+<Aircraft Manufacturing, connectedTo, Flight Simulation>
+<Airport Operations, connectedTo, Aviation Safety Investigation>
+<Airport Operations, connectedTo, Flight Planning>
+<Airport Security Management, connectedTo, Aircraft Manufacturing>
+<Airport Security Management, partOf, Airport Security Management>
+<Aviation Safety Investigation, connectedTo, Fueling Operations>
+<Avionics Repair, connectedTo, Aviation Safety Investigation>
+<Avionics Repair, connectedTo, Fueling Operations>
+<Avionics Repair, documents, Fleet Management>
+<Avionics Repair, investigates, Unmanned Aerial Vehicle Integration>
+<Flight Planning, connectedTo, Aircraft Manufacturing>
+<Flight Planning, responds, Aviation Safety Investigation>
+<Flight Simulation, connectedTo, Airport Security Management>
+<Flight Simulation, partOf, Flight Simulation>
+<Fueling Operations, connectedTo, Fleet Management>
+<Noise Abatement Procedures, connectedTo, Weather Briefing>
+<Noise Abatement Procedures, partOf, Noise Abatement Procedures>
+<Unmanned Aerial Vehicle Integration, connectedTo, Aircraft De_icing>
+<Unmanned Aerial Vehicle Integration, partOf, Unmanned Aerial Vehicle Integration>
+<Weather Briefing, connectedTo, Flight Planning>
+<Weather Briefing, partOf, Weather Briefing>
diff --git a/train/graphviz/hard/graphviz_405.txt b/train/graphviz/hard/graphviz_405.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f51753427177717dd697c5ebba26cfb7c3337e89
--- /dev/null
+++ b/train/graphviz/hard/graphviz_405.txt
@@ -0,0 +1,35 @@
+<Aircraft Manufacturing, connectedTo, Weather Briefing>
+<Airport Security Management, connectedTo, Aircraft Manufacturing>
+<Airport Security Management, connectedTo, Avionics Repair>
+<Airport Security Management, connectedTo, Fueling Operations>
+<Airport Security Management, connectedTo, Runway Management>
+<Airport Security Management, connectedTo, Weather Briefing>
+<Airspace Management, connectedTo, Aircraft Manufacturing>
+<Airspace Management, connectedTo, Noise Abatement Procedures>
+<Airworthiness Certification, connectedTo, Pilot Training>
+<Airworthiness Certification, partOf, Airworthiness Certification>
+<Avionics Repair, connectedTo, Passenger Boarding>
+<Avionics Repair, partOf, Avionics Repair>
+<Crew Scheduling, connectedTo, Navigation System Check>
+<Crew Scheduling, partOf, Crew Scheduling>
+<Emergency Procedures Training, connectedTo, Aircraft Manufacturing>
+<Emergency Procedures Training, connectedTo, Fueling Operations>
+<Emergency Procedures Training, connectedTo, Sustainable Aviation Fuel Development>
+<Fueling Operations, connectedTo, Aircraft Manufacturing>
+<Fueling Operations, connectedTo, Runway Management>
+<Ground Support, connectedTo, Aircraft Manufacturing>
+<Navigation System Check, connectedTo, Sustainable Aviation Fuel Development>
+<Navigation System Check, partOf, Navigation System Check>
+<Noise Abatement Procedures, connectedTo, Airport Security Management>
+<Noise Abatement Procedures, connectedTo, Airworthiness Certification>
+<Passenger Boarding, briefs, Crew Scheduling>
+<Passenger Boarding, partOf, Passenger Boarding>
+<Pilot Training, connectedTo, Weather Briefing>
+<Pilot Training, partOf, Pilot Training>
+<Runway Management, connectedTo, Aircraft Manufacturing>
+<Runway Management, connectedTo, Ground Support>
+<Sustainable Aviation Fuel Development, connectedTo, Aircraft Manufacturing>
+<Sustainable Aviation Fuel Development, connectedTo, Airport Security Management>
+<Sustainable Aviation Fuel Development, connectedTo, Airspace Management>
+<Sustainable Aviation Fuel Development, connectedTo, Fueling Operations>
+<Sustainable Aviation Fuel Development, connectedTo, Weather Briefing>
diff --git a/train/graphviz/hard/graphviz_407.dot b/train/graphviz/hard/graphviz_407.dot
new file mode 100644
index 0000000000000000000000000000000000000000..316fc2442e48c6cddb4dc1d9a608999aa6d9760c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_407.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=TD
+	N0 [label="Crew Resource Management" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N1 [label="Engine Overhaul" color="#00BCD4" fillcolor="#E0F7FA" shape=folder style=filled]
+	N2 [label="Remote Tower Operations" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+	N3 [label="Aerospace Engineering" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N4 [label="Aircraft De_icing" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N5 [label="Noise Abatement Procedures" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N6 [label="Cargo Loading" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	N7 [label="Airport Operations" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N8 [label="Regulatory Compliance" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N9 [label="Emergency Procedures Training" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N10 [label="Gate Assignment" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N11 [label="Aircraft Manufacturing" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N12 [label="Air Cargo Logistics" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+	S1 [label="" color="#00BCD4" fillcolor="#E0F7FA" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Airworthiness Certification" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sustainable Aviation Fuel Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+		nest0_1 [label="Security Screening" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="In_flight Service" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Airspace Management" color="#CDDC39" fillcolor="#E6EE9C" shape=ellipse style=filled]
+		nest1_1 [label="Unmanned Aerial Vehicle Integration" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+		nest1_2 [label="Airport Security Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=oval style=filled]
+		nest1_3 [label="Aircraft Maintenance" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=optimizes color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=manufactures color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest0_0 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N6 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N7 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N6 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N8 -> S1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [label=checks color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N2 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N11 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	S2 -> N5 [label=maintains color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N8 -> M2 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N11 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_410.txt b/train/graphviz/hard/graphviz_410.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc3a89ed123a9fdbd7d6055fed6466b0441d74df
--- /dev/null
+++ b/train/graphviz/hard/graphviz_410.txt
@@ -0,0 +1,42 @@
+<Aeronautical Charting, connectedTo, Inertial Navigation System>
+<Aeronautical Charting, connectedTo, Lane Guidance>
+<Aeronautical Charting, connectedTo, Waypoint Setting>
+<Aeronautical Charting, detects, Personalized Route Preferences>
+<Altitude Tracking, connectedTo, Reverse Geocoding>
+<Augmented Reality Navigation, connectedTo, Digital Compass Integration>
+<Autonomous Vehicle Navigation, connectedTo, Location_Based Services>
+<Autonomous Vehicle Navigation, partOf, Autonomous Vehicle Navigation>
+<Celestial Navigation, connectedTo, Altitude Tracking>
+<Celestial Navigation, connectedTo, Waypoint Setting>
+<Dead Reckoning, connectedTo, Autonomous Vehicle Navigation>
+<Dead Reckoning, partOf, Dead Reckoning>
+<Digital Compass Integration, connectedTo, Hazard Alerts>
+<Digital Compass Integration, integrates, Waypoint Setting>
+<Digital Compass Integration, predicts, Voice Guidance Customization>
+<GPS Positioning, connectedTo, Offline Map Support>
+<GPS Positioning, connectedTo, Waypoint Setting>
+<Hazard Alerts, connectedTo, Location_Based Services>
+<Historical Traffic Data Analysis, connectedTo, Lane Guidance>
+<Indoor Navigation, connectedTo, Aeronautical Charting>
+<Lane Guidance, connectedTo, Waypoint Setting>
+<Location_Based Services, connectedTo, Multi_modal Navigation>
+<Multi_modal Navigation, connectedTo, Lane Guidance>
+<Multi_modal Navigation, connectedTo, Navigation Data Update>
+<Navigation Data Update, connectedTo, Celestial Navigation>
+<Offline Map Support, connectedTo, Dead Reckoning>
+<Offline Map Support, connectedTo, Route Calculation>
+<Personalized Route Preferences, connectedTo, Historical Traffic Data Analysis>
+<Personalized Route Preferences, connectedTo, Lane Guidance>
+<Points of Interest Search, connectedTo, Terrestrial Navigation>
+<Points of Interest Search, partOf, Points of Interest Search>
+<Reverse Geocoding, connectedTo, Indoor Navigation>
+<Reverse Geocoding, connectedTo, Lane Guidance>
+<Reverse Geocoding, connectedTo, Waypoint Setting>
+<Route Calculation, connectedTo, Augmented Reality Navigation>
+<Terrestrial Navigation, connectedTo, Topographic Mapping>
+<Terrestrial Navigation, partOf, Terrestrial Navigation>
+<Topographic Mapping, connectedTo, Augmented Reality Navigation>
+<Topographic Mapping, partOf, Topographic Mapping>
+<Voice Guidance Customization, connectedTo, Points of Interest Search>
+<Voice Guidance Customization, partOf, Voice Guidance Customization>
+<Waypoint Setting, connectedTo, Inertial Navigation System>
diff --git a/train/graphviz/hard/graphviz_411.txt b/train/graphviz/hard/graphviz_411.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b92546b06dfaba081c876038e2be09f4b4471df4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_411.txt
@@ -0,0 +1,39 @@
+<Aeronautical Charting, connectedTo, Turn_by_Turn Directions>
+<Altitude Tracking, connectedTo, Pedestrian Navigation>
+<Augmented Reality Navigation, connectedTo, Navigation Data Update>
+<Bearing and Distance Calculation, connectedTo, Topographic Mapping>
+<Bearing and Distance Calculation, partOf, Bearing and Distance Calculation>
+<Celestial Navigation, connectedTo, Dead Reckoning>
+<Celestial Navigation, connectedTo, ETA Estimation>
+<Dead Reckoning, connectedTo, Aeronautical Charting>
+<GPS Positioning, detects, Wearable Device Navigation>
+<Geocoding, connectedTo, Terrestrial Navigation>
+<Geocoding, partOf, Geocoding>
+<Lane Guidance, connectedTo, Aeronautical Charting>
+<Lane Guidance, connectedTo, Celestial Navigation>
+<Lane Guidance, connectedTo, Dead Reckoning>
+<Lane Guidance, connectedTo, ETA Estimation>
+<Lane Guidance, connectedTo, Wearable Device Navigation>
+<Location_Based Services, connectedTo, ETA Estimation>
+<Location_Based Services, connectedTo, Points of Interest Search>
+<Map Display, connectedTo, Altitude Tracking>
+<Navigation Data Update, connectedTo, Aeronautical Charting>
+<Navigation Data Update, connectedTo, Dead Reckoning>
+<Navigation Data Update, connectedTo, ETA Estimation>
+<Navigation Data Update, connectedTo, Lane Guidance>
+<Navigation Data Update, connectedTo, Waypoint Setting>
+<Navigation Data Update, connectedTo, Wearable Device Navigation>
+<Pedestrian Navigation, connectedTo, Augmented Reality Navigation>
+<Points of Interest Search, connectedTo, ETA Estimation>
+<Points of Interest Search, connectedTo, Map Display>
+<Reverse Geocoding, connectedTo, Geocoding>
+<Reverse Geocoding, partOf, Reverse Geocoding>
+<Terrestrial Navigation, connectedTo, ETA Estimation>
+<Terrestrial Navigation, partOf, Terrestrial Navigation>
+<Topographic Mapping, connectedTo, Navigation Data Update>
+<Topographic Mapping, partOf, Topographic Mapping>
+<Turn_by_Turn Directions, connectedTo, Bearing and Distance Calculation>
+<Turn_by_Turn Directions, connectedTo, GPS Positioning>
+<Turn_by_Turn Directions, connectedTo, Reverse Geocoding>
+<Waypoint Setting, connectedTo, Lane Guidance>
+<Wearable Device Navigation, connectedTo, ETA Estimation>
diff --git a/train/graphviz/hard/graphviz_412.dot b/train/graphviz/hard/graphviz_412.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9d84de478a4431d1c3cf6929d07879a12bf723bf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_412.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=RL
+	N0 [label="Location_Based Services" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N1 [label="Speed Calculation" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N2 [label="Pedestrian Navigation" color="#AABEC6" fillcolor="#E0E6E9" shape=folder style=filled]
+	N3 [label="Marine Charting" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N4 [label=Geofencing color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N5 [label="Terrestrial Navigation" color="#FFF9AE" fillcolor="#FFFCE6" shape=octagon style=filled]
+	N6 [label="Route Calculation" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N7 [label="Real_Time Re_routing" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N8 [label="Hazard Alerts" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	N9 [label="Celestial Navigation" color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+	S0 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#00BCD4" fillcolor="#B2EBF2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Points of Interest Search" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Multi_modal Navigation" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+		nest0_1 [label="Lane Guidance" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest0_2 [label="Reverse Geocoding" color="#00BCD4" fillcolor="#B2EBF2" shape=folder style=filled]
+		nest0_3 [label=Geocoding color="#00BCD4" fillcolor="#B2EBF2" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=calibrates color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="Public Transit Navigation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Navigation Data Update" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest1_1 [label="Augmented Reality Navigation" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N9 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest1_0 [label=leads color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N4 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
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+	M1 -> N6 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_413.dot b/train/graphviz/hard/graphviz_413.dot
new file mode 100644
index 0000000000000000000000000000000000000000..61c526025c2a74cedee37e28a505bd3169e6c779
--- /dev/null
+++ b/train/graphviz/hard/graphviz_413.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=RL
+	N0 [label="Pedestrian Navigation" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N1 [label="Altitude Tracking" color="#00BCD4" fillcolor="#E0F7FA" shape=oval style=filled]
+	N2 [label="Reverse Geocoding" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	N3 [label="Lane Guidance" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N4 [label="Hazard Alerts" color="#F7BEE0" fillcolor="#FAEBF3" shape=oval style=filled]
+	N5 [label="Autonomous Vehicle Navigation" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N6 [label="Navigation Data Update" color="#F7BEE0" fillcolor="#FAEBF3" shape=Mdiamond style=filled]
+	N7 [label="GPS Positioning" color="#00BCD4" fillcolor="#E0F7FA" shape=plaintext style=filled]
+	N8 [label="Historical Traffic Data Analysis" color="#AB47BC" fillcolor="#F3E5F5" shape=oval style=filled]
+	N9 [label="Map Display" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N10 [label="Voice Guidance Customization" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N11 [label="Digital Compass Integration" color="#00BCD4" fillcolor="#E0F7FA" shape=Mdiamond style=filled]
+	N12 [label="Personalized Route Preferences" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N13 [label="Public Transit Navigation" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N14 [label="Marine Charting" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	S0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Real_Time Re_routing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Dead Reckoning" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+		nest0_1 [label="Location_Based Services" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+		nest0_2 [label="Route Calculation" color="#00BCD4" fillcolor="#E0F7FA" shape=oval style=filled]
+		nest0_0 -> nest0_1 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Satellite Navigation Systems" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Speed Calculation" color="#AB47BC" fillcolor="#F3E5F5" shape=oval style=filled]
+		nest1_1 [label="Topographic Mapping" color="#F7BEE0" fillcolor="#FAEBF3" shape=plaintext style=filled]
+		nest1_2 [label="Inertial Navigation System" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+		nest1_3 [label="Augmented Reality Navigation" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
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+	N4 -> N5 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N7 -> N8 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [label=interprets color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [label=follows color="#AB47BC" dir=forward penwidth=1.5 style=solid]
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+	nest0_2 -> N13 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N2 -> S0 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [label=leads color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	M1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_413.txt b/train/graphviz/hard/graphviz_413.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41726e6df16e04a218fe5d8f1919c6daa9dfdd45
--- /dev/null
+++ b/train/graphviz/hard/graphviz_413.txt
@@ -0,0 +1,38 @@
+<Altitude Tracking, connectedTo, Reverse Geocoding>
+<Augmented Reality Navigation, connectedTo, Autonomous Vehicle Navigation>
+<Augmented Reality Navigation, partOf, Augmented Reality Navigation>
+<Autonomous Vehicle Navigation, connectedTo, Historical Traffic Data Analysis>
+<Autonomous Vehicle Navigation, connectedTo, Navigation Data Update>
+<Dead Reckoning, connectedTo, Location_Based Services>
+<Dead Reckoning, partOf, Dead Reckoning>
+<Digital Compass Integration, connectedTo, Personalized Route Preferences>
+<GPS Positioning, connectedTo, Historical Traffic Data Analysis>
+<Hazard Alerts, connectedTo, Autonomous Vehicle Navigation>
+<Hazard Alerts, connectedTo, Marine Charting>
+<Historical Traffic Data Analysis, connectedTo, Map Display>
+<Inertial Navigation System, connectedTo, Augmented Reality Navigation>
+<Inertial Navigation System, partOf, Inertial Navigation System>
+<Lane Guidance, connectedTo, Hazard Alerts>
+<Location_Based Services, connectedTo, Route Calculation>
+<Location_Based Services, partOf, Location_Based Services>
+<Map Display, connectedTo, Voice Guidance Customization>
+<Navigation Data Update, connectedTo, Dead Reckoning>
+<Navigation Data Update, connectedTo, GPS Positioning>
+<Navigation Data Update, connectedTo, Marine Charting>
+<Navigation Data Update, connectedTo, Personalized Route Preferences>
+<Pedestrian Navigation, connectedTo, Altitude Tracking>
+<Personalized Route Preferences, connectedTo, Public Transit Navigation>
+<Public Transit Navigation, follows, Marine Charting>
+<Reverse Geocoding, connectedTo, Lane Guidance>
+<Reverse Geocoding, connectedTo, Marine Charting>
+<Reverse Geocoding, connectedTo, Personalized Route Preferences>
+<Reverse Geocoding, connectedTo, Public Transit Navigation>
+<Reverse Geocoding, connectedTo, Speed Calculation>
+<Reverse Geocoding, leads, Historical Traffic Data Analysis>
+<Route Calculation, connectedTo, Public Transit Navigation>
+<Route Calculation, partOf, Route Calculation>
+<Speed Calculation, connectedTo, Topographic Mapping>
+<Speed Calculation, partOf, Speed Calculation>
+<Topographic Mapping, connectedTo, Inertial Navigation System>
+<Topographic Mapping, partOf, Topographic Mapping>
+<Voice Guidance Customization, interprets, Digital Compass Integration>
diff --git a/train/graphviz/hard/graphviz_416.dot b/train/graphviz/hard/graphviz_416.dot
new file mode 100644
index 0000000000000000000000000000000000000000..abcc16f44b20baa3df7815153fe452a130aede4a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_416.dot
@@ -0,0 +1,56 @@
+digraph {
+	rankdir=TD
+	N0 [label="Traffic Information" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N1 [label="Voice Guidance Customization" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N2 [label="Map Display" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N3 [label="Route Calculation" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N4 [label="Public Transit Navigation" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N5 [label="Multi_modal Navigation" color="#795548" fillcolor="#D7CCC8" shape=Mdiamond style=filled]
+	N6 [label="Aeronautical Charting" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N7 [label="ETA Estimation" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N8 [label="Autonomous Vehicle Navigation" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Augmented Reality Navigation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Indoor Navigation" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
+		nest0_1 [label="Terrestrial Navigation" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Digital Compass Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
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+		nest1_1 [label="Navigation Data Update" color="#C2B2F0" fillcolor="#EFE6FF" shape=octagon style=filled]
+		nest1_2 [label="Lane Guidance" color="#795548" fillcolor="#D7CCC8" shape=Mdiamond style=filled]
+		nest1_3 [label="Altitude Tracking" color="#4CAF50" fillcolor="#C8E6C9" shape=octagon style=filled]
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+		nest1_2 -> nest1_3 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N4 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest1_0 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N1 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=integrates color="#795548" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [label=plans color="#795548" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S2 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	S2 -> N7 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_416.txt b/train/graphviz/hard/graphviz_416.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60ff3824cdc3c979b3c782c6686d07f4c14adf38
--- /dev/null
+++ b/train/graphviz/hard/graphviz_416.txt
@@ -0,0 +1,30 @@
+<Aeronautical Charting, connectedTo, ETA Estimation>
+<Altitude Tracking, connectedTo, Voice Guidance Customization>
+<Altitude Tracking, partOf, Altitude Tracking>
+<ETA Estimation, connectedTo, Autonomous Vehicle Navigation>
+<Indoor Navigation, connectedTo, Terrestrial Navigation>
+<Indoor Navigation, partOf, Indoor Navigation>
+<Lane Guidance, connectedTo, Altitude Tracking>
+<Lane Guidance, partOf, Lane Guidance>
+<Map Display, connectedTo, Route Calculation>
+<Marine Charting, connectedTo, Navigation Data Update>
+<Marine Charting, partOf, Marine Charting>
+<Multi_modal Navigation, connectedTo, Aeronautical Charting>
+<Multi_modal Navigation, connectedTo, Autonomous Vehicle Navigation>
+<Multi_modal Navigation, connectedTo, ETA Estimation>
+<Navigation Data Update, connectedTo, Lane Guidance>
+<Navigation Data Update, partOf, Navigation Data Update>
+<Public Transit Navigation, connectedTo, Aeronautical Charting>
+<Public Transit Navigation, connectedTo, ETA Estimation>
+<Public Transit Navigation, connectedTo, Multi_modal Navigation>
+<Public Transit Navigation, integrates, Autonomous Vehicle Navigation>
+<Route Calculation, connectedTo, Indoor Navigation>
+<Route Calculation, connectedTo, Marine Charting>
+<Route Calculation, connectedTo, Public Transit Navigation>
+<Terrestrial Navigation, connectedTo, Public Transit Navigation>
+<Terrestrial Navigation, partOf, Terrestrial Navigation>
+<Traffic Information, connectedTo, Voice Guidance Customization>
+<Voice Guidance Customization, connectedTo, Map Display>
+<Voice Guidance Customization, connectedTo, Multi_modal Navigation>
+<Voice Guidance Customization, connectedTo, Route Calculation>
+<Voice Guidance Customization, plans, ETA Estimation>
diff --git a/train/graphviz/hard/graphviz_417.txt b/train/graphviz/hard/graphviz_417.txt
new file mode 100644
index 0000000000000000000000000000000000000000..932c7242e5048556b858d37d42cb8e0812b9f98c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_417.txt
@@ -0,0 +1,32 @@
+<4D Printing, connectedTo, Medical Device Prototyping>
+<Aerospace Part Production, connectedTo, Bioprinting>
+<Bioprinting, connectedTo, Selective Laser Sintering>
+<Direct Metal Laser Sintering, connectedTo, Selective Laser Sintering>
+<Direct Metal Laser Sintering, partOf, Direct Metal Laser Sintering>
+<Educational Applications, connectedTo, Reverse Engineering with 3D Printing>
+<Food Printing, connectedTo, 4D Printing>
+<Food Printing, connectedTo, Mass Customization>
+<Food Printing, connectedTo, Material Selection>
+<Food Printing, connectedTo, Print Farm Management>
+<Maintenance and Repair of Printers, connectedTo, Reverse Engineering with 3D Printing>
+<Maintenance and Repair of Printers, partOf, Maintenance and Repair of Printers>
+<Mass Customization, enhances, Print Farm Management>
+<Material Selection, connectedTo, Maintenance and Repair of Printers>
+<Material Selection, partOf, Material Selection>
+<Medical Device Prototyping, connectedTo, Educational Applications>
+<Medical Device Prototyping, connectedTo, Quality Control>
+<Medical Device Prototyping, connectedTo, Reverse Engineering with 3D Printing>
+<Print Farm Management, connectedTo, Aerospace Part Production>
+<Print Farm Management, connectedTo, Scaffolding for Tissue Engineering>
+<Quality Control, connectedTo, Educational Applications>
+<Rapid Manufacturing, connectedTo, 4D Printing>
+<Scaffolding for Tissue Engineering, connectedTo, Direct Metal Laser Sintering>
+<Scaffolding for Tissue Engineering, partOf, Scaffolding for Tissue Engineering>
+<Selective Laser Sintering, connectedTo, Support Structure Design>
+<Stereolithography, connectedTo, Food Printing>
+<Stereolithography, connectedTo, Print Farm Management>
+<Support Structure Design, connectedTo, 4D Printing>
+<Support Structure Design, connectedTo, Educational Applications>
+<Support Structure Design, connectedTo, Medical Device Prototyping>
+<Support Structure Design, connectedTo, Quality Control>
+<Support Structure Design, connectedTo, Rapid Manufacturing>
diff --git a/train/graphviz/hard/graphviz_418.txt b/train/graphviz/hard/graphviz_418.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a6707fec2e863a34487d5cfb8e001b2c2af8d4a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_418.txt
@@ -0,0 +1,31 @@
+<3D Model Design, connectedTo, Troubleshooting Print Errors>
+<4D Printing, connectedTo, File Format Conversion>
+<4D Printing, partOf, 4D Printing>
+<Bioprinting, connectedTo, 4D Printing>
+<Bioprinting, partOf, Bioprinting>
+<Consumer Product Creation, connectedTo, 4D Printing>
+<Consumer Product Creation, connectedTo, Bioprinting>
+<Consumer Product Creation, connectedTo, Printing Process>
+<Consumer Product Creation, connectedTo, Sustainable 3D Printing Materials>
+<Direct Metal Laser Sintering, connectedTo, 3D Model Design>
+<Educational Applications, connectedTo, Fused Deposition Modeling>
+<Educational Applications, partOf, Educational Applications>
+<File Format Conversion, connectedTo, Material Selection>
+<File Format Conversion, connectedTo, Post_Processing>
+<File Format Conversion, connectedTo, Printer Setup>
+<File Format Conversion, connectedTo, Rapid Manufacturing>
+<Fused Deposition Modeling, connectedTo, Reverse Engineering with 3D Printing>
+<Intellectual Property Protection for Designs, connectedTo, Educational Applications>
+<Intellectual Property Protection for Designs, partOf, Intellectual Property Protection for Designs>
+<Post_Processing, connectedTo, Printer Setup>
+<Print Farm Management, connectedTo, File Format Conversion>
+<Printer Setup, connectedTo, Consumer Product Creation>
+<Printing Process, connectedTo, 3D Model Design>
+<Printing Process, connectedTo, Direct Metal Laser Sintering>
+<Printing Process, connectedTo, Fused Deposition Modeling>
+<Printing Process, connectedTo, Material Selection>
+<Rapid Manufacturing, connectedTo, Post_Processing>
+<Reverse Engineering with 3D Printing, connectedTo, Material Selection>
+<Sustainable 3D Printing Materials, connectedTo, Intellectual Property Protection for Designs>
+<Sustainable 3D Printing Materials, partOf, Sustainable 3D Printing Materials>
+<Troubleshooting Print Errors, connectedTo, Fused Deposition Modeling>
diff --git a/train/graphviz/hard/graphviz_42.txt b/train/graphviz/hard/graphviz_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a2a9bd290fc9133a59364e4ed784b10fe22091c4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_42.txt
@@ -0,0 +1,40 @@
+<Air Traffic Control, connectedTo, Vehicle Assignment>
+<Air Traffic Control, partOf, Air Traffic Control>
+<Arrival, connectedTo, Train Dispatch>
+<Arrival, partOf, Arrival>
+<Boarding, connectedTo, Bridge Inspection>
+<Boarding, connectedTo, Vehicle Tracking>
+<Bridge Inspection, connectedTo, Air Traffic Control>
+<Bridge Inspection, connectedTo, Ticket Purchase>
+<Driver Allocation, connectedTo, Bridge Inspection>
+<Driver Allocation, connectedTo, Passenger Boarding Pass Issuance>
+<Driver Allocation, connectedTo, Route Optimization>
+<Emergency Landing, connectedTo, Passenger Boarding Pass Issuance>
+<Fueling, connectedTo, Ticket Purchase>
+<Fueling, partOf, Fueling>
+<Load Balancing, connectedTo, Boarding>
+<Load Balancing, connectedTo, Route Diversion>
+<Load Balancing, logs, Passenger Boarding Pass Issuance>
+<Passenger Boarding Pass Issuance, connectedTo, Customs Clearance>
+<Platform Assignment, connectedTo, Bridge Inspection>
+<Route Diversion, diversifies, Fueling>
+<Route Diversion, partOf, Route Diversion>
+<Route Optimization, connectedTo, Traffic Monitoring>
+<Schedule Generation, assesses, Emergency Landing>
+<Schedule Generation, connectedTo, Boarding>
+<Schedule Generation, connectedTo, Driver Allocation>
+<Schedule Generation, connectedTo, Passenger Boarding Pass Issuance>
+<Schedule Generation, connectedTo, Platform Assignment>
+<Schedule Generation, connectedTo, Ticket Purchase>
+<Schedule Generation, connectedTo, Vehicle Tracking>
+<Ticket Purchase, updates, Emergency Landing>
+<Traffic Monitoring, connectedTo, Boarding>
+<Traffic Monitoring, connectedTo, Customs Clearance>
+<Traffic Monitoring, connectedTo, Load Balancing>
+<Traffic Monitoring, connectedTo, Passenger Boarding Pass Issuance>
+<Traffic Monitoring, connectedTo, Vehicle Tracking>
+<Train Dispatch, connectedTo, Driver Allocation>
+<Train Dispatch, partOf, Train Dispatch>
+<Vehicle Assignment, connectedTo, Arrival>
+<Vehicle Assignment, partOf, Vehicle Assignment>
+<Vehicle Tracking, departs, Platform Assignment>
diff --git a/train/graphviz/hard/graphviz_421.txt b/train/graphviz/hard/graphviz_421.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e1821c03d546fc0a128d2fc5d4f54d5e17b8811d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_421.txt
@@ -0,0 +1,42 @@
+<4D Printing, connectedTo, Material Selection>
+<Additive Manufacturing, connectedTo, Bioprinting>
+<Additive Manufacturing, partOf, Additive Manufacturing>
+<Bioprinting, connectedTo, Multi_Material Printing>
+<Bioprinting, partOf, Bioprinting>
+<Consumer Product Creation, monitors, Rapid Manufacturing>
+<Consumer Product Creation, partOf, Consumer Product Creation>
+<Digital Twin for 3D Prints, connectedTo, Support Structure Design>
+<Distributed Manufacturing, connectedTo, Food Printing>
+<File Format Conversion, connectedTo, 4D Printing>
+<File Format Conversion, connectedTo, Selective Laser Sintering>
+<File Format Conversion, models, Additive Manufacturing>
+<Food Printing, connectedTo, Medical Device Prototyping>
+<Mass Customization, connectedTo, Quality Control>
+<Material Research and Development, connectedTo, Distributed Manufacturing>
+<Material Research and Development, connectedTo, Food Printing>
+<Material Research and Development, connectedTo, Troubleshooting Print Errors>
+<Material Selection, connectedTo, Direct Metal Laser Sintering>
+<Material Selection, connectedTo, Quality Control>
+<Material Selection, licenses, Mass Customization>
+<Medical Device Prototyping, connectedTo, 4D Printing>
+<Medical Device Prototyping, connectedTo, Printing Parameter Optimization>
+<Multi_Material Printing, connectedTo, 4D Printing>
+<Multi_Material Printing, partOf, Multi_Material Printing>
+<On_Demand Production, connectedTo, 4D Printing>
+<On_Demand Production, partOf, On_Demand Production>
+<Printing Parameter Optimization, connectedTo, 4D Printing>
+<Printing Parameter Optimization, connectedTo, Digital Twin for 3D Prints>
+<Printing Parameter Optimization, connectedTo, Material Selection>
+<Printing Parameter Optimization, connectedTo, Quality Control>
+<Quality Control, connectedTo, Direct Metal Laser Sintering>
+<Rapid Manufacturing, connectedTo, On_Demand Production>
+<Rapid Manufacturing, partOf, Rapid Manufacturing>
+<Scaffolding for Tissue Engineering, connectedTo, 4D Printing>
+<Scaffolding for Tissue Engineering, connectedTo, Food Printing>
+<Scaffolding for Tissue Engineering, controls, Distributed Manufacturing>
+<Selective Laser Sintering, partOf, Selective Laser Sintering>
+<Selective Laser Sintering, shares, Consumer Product Creation>
+<Support Structure Design, connectedTo, File Format Conversion>
+<Troubleshooting Print Errors, connectedTo, Distributed Manufacturing>
+<Troubleshooting Print Errors, connectedTo, Food Printing>
+<Troubleshooting Print Errors, connectedTo, Scaffolding for Tissue Engineering>
diff --git a/train/graphviz/hard/graphviz_422.txt b/train/graphviz/hard/graphviz_422.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82107a75051220c957446768837a6a885d8bee40
--- /dev/null
+++ b/train/graphviz/hard/graphviz_422.txt
@@ -0,0 +1,32 @@
+<3D Printed Tooling, connectedTo, Quality Control>
+<3D Printed Tooling, partOf, 3D Printed Tooling>
+<4D Printing, connectedTo, Print Farm Management>
+<Aerospace Part Production, connectedTo, Material Selection>
+<Aerospace Part Production, partOf, Aerospace Part Production>
+<Construction 3D Printing, connectedTo, Medical Device Prototyping>
+<Construction 3D Printing, connectedTo, Printing Process>
+<Construction 3D Printing, connectedTo, Support Structure Design>
+<Custom Part Production, connectedTo, Construction 3D Printing>
+<Custom Part Production, connectedTo, Multi_Material Printing>
+<Custom Part Production, connectedTo, Printing Process>
+<Distributed Manufacturing, connectedTo, Construction 3D Printing>
+<Distributed Manufacturing, connectedTo, Printing Parameter Optimization>
+<Educational Applications, connectedTo, Construction 3D Printing>
+<Educational Applications, connectedTo, Custom Part Production>
+<Fused Deposition Modeling, connectedTo, 3D Printed Tooling>
+<Fused Deposition Modeling, partOf, Fused Deposition Modeling>
+<Material Selection, connectedTo, Printing Process>
+<Material Selection, partOf, Material Selection>
+<Medical Device Prototyping, connectedTo, Fused Deposition Modeling>
+<Medical Device Prototyping, connectedTo, Support Structure Design>
+<Multi_Material Printing, connectedTo, Construction 3D Printing>
+<Multi_Material Printing, connectedTo, Medical Device Prototyping>
+<Multi_Material Printing, connectedTo, Printing Process>
+<Print Farm Management, connectedTo, Distributed Manufacturing>
+<Print Farm Management, connectedTo, Scaffolding for Tissue Engineering>
+<Printing Parameter Optimization, connectedTo, Educational Applications>
+<Printing Process, connectedTo, Medical Device Prototyping>
+<Quality Control, connectedTo, Distributed Manufacturing>
+<Quality Control, partOf, Quality Control>
+<Scaffolding for Tissue Engineering, connectedTo, Aerospace Part Production>
+<Scaffolding for Tissue Engineering, partOf, Scaffolding for Tissue Engineering>
diff --git a/train/graphviz/hard/graphviz_423.txt b/train/graphviz/hard/graphviz_423.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a99e5f9ac2ca0a6528aed17b82fa64bf0fd53a45
--- /dev/null
+++ b/train/graphviz/hard/graphviz_423.txt
@@ -0,0 +1,39 @@
+<3D Model Design, connectedTo, 4D Printing>
+<3D Model Design, partOf, 3D Model Design>
+<4D Printing, connectedTo, Food Printing>
+<4D Printing, partOf, 4D Printing>
+<Additive Manufacturing, connectedTo, Aerospace Part Production>
+<Aerospace Part Production, connectedTo, Material Selection>
+<Aerospace Part Production, connectedTo, Medical Device Prototyping>
+<Construction 3D Printing, connectedTo, 3D Model Design>
+<Construction 3D Printing, customizes, Additive Manufacturing>
+<Consumer Product Creation, connectedTo, Sustainable 3D Printing Materials>
+<Consumer Product Creation, duplicates, Aerospace Part Production>
+<Custom Part Production, connectedTo, Rapid Manufacturing>
+<Custom Part Production, connectedTo, Slicing Software Operation>
+<File Format Conversion, connectedTo, Material Selection>
+<File Format Conversion, partOf, File Format Conversion>
+<Food Printing, connectedTo, Rapid Manufacturing>
+<Food Printing, partOf, Food Printing>
+<Material Selection, connectedTo, Slicing Software Operation>
+<Medical Device Prototyping, connectedTo, File Format Conversion>
+<Medical Device Prototyping, partOf, Medical Device Prototyping>
+<Post_Processing, connectedTo, Additive Manufacturing>
+<Post_Processing, connectedTo, Aerospace Part Production>
+<Post_Processing, connectedTo, Stereolithography>
+<Printer Setup, connectedTo, Additive Manufacturing>
+<Printer Setup, manufactures, Printing Process>
+<Printing Parameter Optimization, connectedTo, Aerospace Part Production>
+<Printing Parameter Optimization, connectedTo, Printer Setup>
+<Printing Process, connectedTo, Additive Manufacturing>
+<Printing Process, connectedTo, Aerospace Part Production>
+<Printing Process, connectedTo, Consumer Product Creation>
+<Printing Process, secures, Sustainable 3D Printing Materials>
+<Rapid Manufacturing, connectedTo, Post_Processing>
+<Stereolithography, connectedTo, Construction 3D Printing>
+<Stereolithography, connectedTo, Slicing Software Operation>
+<Sustainable 3D Printing Materials, connectedTo, Additive Manufacturing>
+<Sustainable 3D Printing Materials, connectedTo, Custom Part Production>
+<Sustainable 3D Printing Materials, connectedTo, Material Selection>
+<Sustainable 3D Printing Materials, connectedTo, Post_Processing>
+<Sustainable 3D Printing Materials, educates, Aerospace Part Production>
diff --git a/train/graphviz/hard/graphviz_424.txt b/train/graphviz/hard/graphviz_424.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f763aab52acc32bb56bca7a6675952e16676e4c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_424.txt
@@ -0,0 +1,41 @@
+<3D Model Design, connectedTo, Educational Applications>
+<3D Model Design, partOf, 3D Model Design>
+<3D Printed Tooling, partOf, 3D Printed Tooling>
+<3D Printed Tooling, slices, Sustainable 3D Printing Materials>
+<Additive Manufacturing, connectedTo, Consumer Product Creation>
+<Aerospace Part Production, connectedTo, Fused Deposition Modeling>
+<Aerospace Part Production, partOf, Aerospace Part Production>
+<Construction 3D Printing, connectedTo, Distributed Manufacturing>
+<Construction 3D Printing, connectedTo, Mass Customization>
+<Construction 3D Printing, connectedTo, Reverse Engineering with 3D Printing>
+<Construction 3D Printing, connectedTo, Scaffolding for Tissue Engineering>
+<Consumer Product Creation, manufactures, Material Selection>
+<Direct Metal Laser Sintering, connectedTo, Additive Manufacturing>
+<Distributed Manufacturing, connectedTo, 3D Printed Tooling>
+<Distributed Manufacturing, connectedTo, Additive Manufacturing>
+<Distributed Manufacturing, connectedTo, Fused Deposition Modeling>
+<Distributed Manufacturing, connectedTo, Medical Device Prototyping>
+<Distributed Manufacturing, connectedTo, Printing Process>
+<Educational Applications, connectedTo, Consumer Product Creation>
+<Educational Applications, partOf, Educational Applications>
+<Food Printing, integrates, Rapid Manufacturing>
+<Fused Deposition Modeling, prototypes, Direct Metal Laser Sintering>
+<Maintenance and Repair of Printers, connectedTo, Printing Process>
+<Mass Customization, connectedTo, Distributed Manufacturing>
+<Material Selection, connectedTo, 3D Model Design>
+<Material Selection, connectedTo, Selective Laser Sintering>
+<Medical Device Prototyping, connectedTo, Reverse Engineering with 3D Printing>
+<Post_Processing, connectedTo, Food Printing>
+<Post_Processing, connectedTo, Mass Customization>
+<Printing Process, connectedTo, Medical Device Prototyping>
+<Rapid Manufacturing, connectedTo, Construction 3D Printing>
+<Reverse Engineering with 3D Printing, connectedTo, Support Structure Design>
+<Scaffolding for Tissue Engineering, connectedTo, Mass Customization>
+<Selective Laser Sintering, connectedTo, Maintenance and Repair of Printers>
+<Selective Laser Sintering, connectedTo, Medical Device Prototyping>
+<Selective Laser Sintering, connectedTo, Reverse Engineering with 3D Printing>
+<Selective Laser Sintering, connectedTo, Support Structure Design>
+<Stereolithography, connectedTo, Mass Customization>
+<Stereolithography, connectedTo, Post_Processing>
+<Sustainable 3D Printing Materials, connectedTo, Aerospace Part Production>
+<Sustainable 3D Printing Materials, partOf, Sustainable 3D Printing Materials>
diff --git a/train/graphviz/hard/graphviz_427.dot b/train/graphviz/hard/graphviz_427.dot
new file mode 100644
index 0000000000000000000000000000000000000000..199c5be8a1c8f559f683eaafdf39c4dbeeb5c2a4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_427.dot
@@ -0,0 +1,85 @@
+digraph {
+	rankdir=TD
+	N0 [label="Solar Cell Efficiency Enhancement" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N1 [label="Nanomedicine Development" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
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+	N3 [label="Risk Assessment of Nanomaterials" color="#8C9EFF" fillcolor="#D3D7EB" shape=oval style=filled]
+	N4 [label="Nanoparticle Characterization" color="#8C9EFF" fillcolor="#D3D7EB" shape=octagon style=filled]
+	N5 [label="Drug Delivery Systems" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N6 [label="Bio_Nanotechnology Interface" color="#8C9EFF" fillcolor="#D3D7EB" shape=plaintext style=filled]
+	N7 [label="Public Perception of Nanotechnology" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N8 [label="Food Packaging Improvement" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N9 [label="Surface Functionalization" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+	N10 [label="Advanced Materials Research" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N11 [label="Water Purification using Nanomaterials" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+	N12 [label=Nanosensors color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N13 [label=Biosensors color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N14 [label=Nanocomposites color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N15 [label="Ethical Implications of Nanotech" color="#81C784" fillcolor="#F1F8E9" shape=oval style=filled]
+	N16 [label=Spectroscopy color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N17 [label="Nanodevice Fabrication" color="#81C784" fillcolor="#F1F8E9" shape=oval style=filled]
+	N18 [label="Atomic Force Microscopy" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N19 [label=Nanoelectronics color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	S0 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#8C9EFF" fillcolor="#D3D7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#BDAFA8" fillcolor="#E4E0DF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Computational Nanotechnology" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Transmission Electron Microscopy" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+		nest0_1 [label="Environmental Remediation with Nanomaterials" color="#8C9EFF" fillcolor="#D3D7EB" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="X_ray Diffraction" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Graphene Production" color="#8C9EFF" fillcolor="#D3D7EB" shape=oval style=filled]
+		nest1_1 [label=Photovoltaics color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+		nest1_2 [label="Nanofabrication Techniques" color="#BDAFA8" fillcolor="#E4E0DF" shape=ellipse style=filled]
+		nest1_3 [label="Quantum Computing Integration" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest1_0 -> nest1_1 [label=modifies color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_438.txt b/train/graphviz/hard/graphviz_438.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e609598c4cce16f3eb3a78935d9f4401efdbb065
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diff --git a/train/graphviz/hard/graphviz_439.dot b/train/graphviz/hard/graphviz_439.dot
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index 0000000000000000000000000000000000000000..3b4f5dfc0d05631743561cc71634d32b0b8057b8
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diff --git a/train/graphviz/hard/graphviz_44.dot b/train/graphviz/hard/graphviz_44.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ad0ad11ab259883dc2ed61e8c123f55321faf065
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diff --git a/train/graphviz/hard/graphviz_440.dot b/train/graphviz/hard/graphviz_440.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6c4b06243cab38a3a26a921eb60132434429a812
--- /dev/null
+++ b/train/graphviz/hard/graphviz_440.dot
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diff --git a/train/graphviz/hard/graphviz_440.txt b/train/graphviz/hard/graphviz_440.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34be5ad7b5aed33a6a5fdf6d43838ebc60665a54
--- /dev/null
+++ b/train/graphviz/hard/graphviz_440.txt
@@ -0,0 +1,31 @@
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diff --git a/train/graphviz/hard/graphviz_444.dot b/train/graphviz/hard/graphviz_444.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6f8b6d3f5344304c45b5d6ef025515bbda47e8b1
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+		nest1_0 -> nest1_1 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label=simulates color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [label=tracks color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N15 -> N16 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N16 -> N17 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N12 -> nest0_0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N10 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N0 -> S0 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	S0 -> N2 [label=develops color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N16 [label=projects color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#D2D2D2" dir=forward penwidth=1.5 style=solid]
+	M0 -> N3 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M2 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M2 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_449.dot b/train/graphviz/hard/graphviz_449.dot
new file mode 100644
index 0000000000000000000000000000000000000000..50bc0dd095a7307153c473cb1bcf446eea73b3e9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_449.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=LR
+	N0 [label="Game Design" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Narrative Design" color="#F06292" fillcolor="#FCE4EC" shape=oval style=filled]
+	N2 [label="Asset Creation" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N3 [label="Esports Event Organization" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N4 [label="Anti_Cheat Development" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N5 [label="Level Design" color="#CFCFCF" fillcolor="#F6F6F6" shape=oval style=filled]
+	N6 [label="Character Design" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N7 [label="Game Analytics" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	N8 [label="User Experience Design" color="#CFCFCF" fillcolor="#F6F6F6" shape=oval style=filled]
+	N9 [label="Game Publishing" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N10 [label=Localization color="#FF9800" fillcolor="#FFE0B2" shape=hexagon style=filled]
+	N11 [label="Network Code Optimization" color="#FF9800" fillcolor="#FFE0B2" shape=folder style=filled]
+	N12 [label="Bug Fixing" color="#CFCFCF" fillcolor="#F6F6F6" shape=plaintext style=filled]
+	N13 [label="Physics Simulation" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	S1 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#CFCFCF" fillcolor="#F6F6F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F06292" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#F06292" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FF9800" fillcolor="#FFE0B2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Player Feedback Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Sound Design" color="#CFCFCF" fillcolor="#F6F6F6" shape=octagon style=filled]
+		nest0_1 [label="Game Balancing" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F1F8E9" fontname=Helvetica fontsize=10 label="PC Game Development" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Console Game Development" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+		nest1_1 [label="User Interface Design" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+		nest1_2 [label="Mobile Game Development" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+		nest1_3 [label="Multiplayer Game Development" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N12 -> nest1_0 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> S1 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S2 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
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+	S2 -> N8 [color="#FF9800" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N5 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M2 [label=markets color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N4 -> M2 [color="#FF9800" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_45.dot b/train/graphviz/hard/graphviz_45.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9a6ca11de0718e012015a0ceaed1238bd5321ee6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_45.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=TD
+	N0 [label=Boarding color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N1 [label="Vehicle Assignment" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N2 [label="Intermodal Transfer" color="#94C0C0" fillcolor="#CADEDE" shape=Mdiamond style=filled]
+	N3 [label="Driver Allocation" color="#94C0C0" fillcolor="#CADEDE" shape=octagon style=filled]
+	N4 [label="Passenger Feedback" color="#F7BEE0" fillcolor="#FAEBF3" shape=plaintext style=filled]
+	N5 [label="Schedule Generation" color="#80DDEA" fillcolor="#D3F7F9" shape=parallelogram style=filled]
+	N6 [label="Load Balancing" color="#F7BEE0" fillcolor="#FAEBF3" shape=folder style=filled]
+	N7 [label="Tunnel Monitoring" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N8 [label="Cargo Loading" color="#F7BEE0" fillcolor="#FAEBF3" shape=folder style=filled]
+	N9 [label="Vehicle Tracking" color="#80DDEA" fillcolor="#D3F7F9" shape=octagon style=filled]
+	N10 [label="Bridge Inspection" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N11 [label="Maintenance Check" color="#94C0C0" fillcolor="#CADEDE" shape=plaintext style=filled]
+	N12 [label="Route Optimization" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N13 [label="Train Dispatch" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+	N14 [label="Customs Clearance" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	S0 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#80DDEA" fillcolor="#D3F7F9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#F7BEE0" fillcolor="#FAEBF3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Ride_sharing Request" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Luggage Handling" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest0_1 [label="Parking Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Air Traffic Control" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Security Check" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+		nest1_1 [label="Emergency Landing" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N4 [label=inspects color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest1_0 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N11 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [label=dispatches color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#80DDEA" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M0 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [label=assesses color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N13 [color="#80DDEA" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_45.txt b/train/graphviz/hard/graphviz_45.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c60bfe403ad327f96eb14d534d60b2870fdea6d8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_45.txt
@@ -0,0 +1,34 @@
+<Boarding, connectedTo, Bridge Inspection>
+<Boarding, connectedTo, Vehicle Assignment>
+<Boarding, dispatches, Tunnel Monitoring>
+<Bridge Inspection, connectedTo, Maintenance Check>
+<Cargo Loading, connectedTo, Vehicle Tracking>
+<Driver Allocation, connectedTo, Cargo Loading>
+<Driver Allocation, connectedTo, Passenger Feedback>
+<Driver Allocation, connectedTo, Route Optimization>
+<Driver Allocation, connectedTo, Schedule Generation>
+<Driver Allocation, connectedTo, Security Check>
+<Driver Allocation, connectedTo, Tunnel Monitoring>
+<Emergency Landing, connectedTo, Maintenance Check>
+<Emergency Landing, partOf, Emergency Landing>
+<Intermodal Transfer, connectedTo, Driver Allocation>
+<Load Balancing, connectedTo, Train Dispatch>
+<Load Balancing, connectedTo, Tunnel Monitoring>
+<Luggage Handling, connectedTo, Parking Management>
+<Luggage Handling, partOf, Luggage Handling>
+<Maintenance Check, connectedTo, Route Optimization>
+<Parking Management, inspects, Passenger Feedback>
+<Parking Management, partOf, Parking Management>
+<Passenger Feedback, connectedTo, Schedule Generation>
+<Route Optimization, connectedTo, Train Dispatch>
+<Schedule Generation, connectedTo, Load Balancing>
+<Schedule Generation, connectedTo, Train Dispatch>
+<Security Check, connectedTo, Emergency Landing>
+<Security Check, partOf, Security Check>
+<Train Dispatch, connectedTo, Customs Clearance>
+<Tunnel Monitoring, assesses, Train Dispatch>
+<Tunnel Monitoring, connectedTo, Cargo Loading>
+<Tunnel Monitoring, connectedTo, Luggage Handling>
+<Vehicle Assignment, connectedTo, Intermodal Transfer>
+<Vehicle Assignment, connectedTo, Train Dispatch>
+<Vehicle Tracking, connectedTo, Bridge Inspection>
diff --git a/train/graphviz/hard/graphviz_450.txt b/train/graphviz/hard/graphviz_450.txt
new file mode 100644
index 0000000000000000000000000000000000000000..64e5c16cbbf9214f06da3be221994841e9e7c279
--- /dev/null
+++ b/train/graphviz/hard/graphviz_450.txt
@@ -0,0 +1,50 @@
+<AI Behavior Programming, balances, Console Game Development>
+<Anti_Cheat Development, connectedTo, Game Balancing>
+<Art Direction, connectedTo, Anti_Cheat Development>
+<Art Direction, connectedTo, In_Game Economy Design>
+<Art Direction, connectedTo, Voice Acting>
+<Asset Creation, connectedTo, User Interface Design>
+<Bug Fixing, connectedTo, Esports Event Organization>
+<Bug Fixing, partOf, Bug Fixing>
+<Character Design, connectedTo, Anti_Cheat Development>
+<Character Design, connectedTo, Mobile Game Development>
+<Console Game Development, connectedTo, Motion Capture>
+<Esports Event Organization, connectedTo, Player Progression Systems>
+<Game Balancing, communicates, AI Behavior Programming>
+<Game Balancing, connectedTo, Asset Creation>
+<Game Balancing, connectedTo, Console Game Development>
+<Game Balancing, connectedTo, Localization>
+<Game Balancing, connectedTo, Programming>
+<Game Engine Customization, connectedTo, Anti_Cheat Development>
+<Game Engine Customization, connectedTo, Character Design>
+<Game Engine Customization, connectedTo, Game Publishing>
+<Game Engine Customization, connectedTo, In_Game Economy Design>
+<Game Performance Optimization, connectedTo, Marketing and Promotion>
+<Game Performance Optimization, partOf, Game Performance Optimization>
+<Game Publishing, connectedTo, Player Feedback Integration>
+<Game Publishing, partOf, Game Publishing>
+<In_Game Economy Design, connectedTo, Anti_Cheat Development>
+<In_Game Economy Design, connectedTo, Console Game Development>
+<In_Game Economy Design, connectedTo, Motion Capture>
+<In_Game Economy Design, connectedTo, Narrative Design>
+<In_Game Economy Design, connectedTo, Sound Design>
+<In_Game Economy Design, connectedTo, User Interface Design>
+<Localization, connectedTo, AI Behavior Programming>
+<Marketing and Promotion, connectedTo, Bug Fixing>
+<Marketing and Promotion, partOf, Marketing and Promotion>
+<Mobile Game Development, sponsors, Esports Event Organization>
+<Motion Capture, connectedTo, Sound Design>
+<Narrative Design, connectedTo, Game Performance Optimization>
+<Narrative Design, partOf, Narrative Design>
+<Player Feedback Integration, connectedTo, Quality Assurance Testing>
+<Player Feedback Integration, partOf, Player Feedback Integration>
+<Player Progression Systems, connectedTo, Anti_Cheat Development>
+<Player Progression Systems, connectedTo, Asset Creation>
+<Player Progression Systems, connectedTo, Game Balancing>
+<Player Progression Systems, connectedTo, In_Game Economy Design>
+<Player Progression Systems, connectedTo, Motion Capture>
+<Programming, connectedTo, Asset Creation>
+<Quality Assurance Testing, connectedTo, Esports Event Organization>
+<Quality Assurance Testing, partOf, Quality Assurance Testing>
+<User Interface Design, connectedTo, Localization>
+<Voice Acting, connectedTo, Game Engine Customization>
diff --git a/train/graphviz/hard/graphviz_453.dot b/train/graphviz/hard/graphviz_453.dot
new file mode 100644
index 0000000000000000000000000000000000000000..07c6e1bfa3851b2e9982856c884edf74e5239ee7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_453.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=RL
+	N0 [label="Console Game Development" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Virtual Reality Gaming" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N2 [label="Player Feedback Integration" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N3 [label="PC Game Development" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N4 [label="Narrative Design" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N5 [label="Player Progression Systems" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N6 [label="Physics Simulation" color="#BDBDBD" fillcolor="#F5F5F5" shape=Mdiamond style=filled]
+	N7 [label="Live Operations" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
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diff --git a/train/graphviz/hard/graphviz_454.dot b/train/graphviz/hard/graphviz_454.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cc109e548119281a718f094385bd636089c495f8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_454.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=BT
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diff --git a/train/graphviz/hard/graphviz_454.txt b/train/graphviz/hard/graphviz_454.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d36240f1d45cdcdb7dbe97e526e194d3b833c307
--- /dev/null
+++ b/train/graphviz/hard/graphviz_454.txt
@@ -0,0 +1,39 @@
+<AI Behavior Programming, connectedTo, Art Direction>
+<AI Behavior Programming, connectedTo, Marketing and Promotion>
+<AI Behavior Programming, connectedTo, Monetization Strategy>
+<Art Direction, connectedTo, Programming>
+<Asset Creation, partOf, Asset Creation>
+<Asset Creation, plays, Console Game Development>
+<Character Design, connectedTo, Community Management>
+<Character Design, connectedTo, Game Analytics>
+<Community Management, connectedTo, Esports Event Organization>
+<Console Game Development, connectedTo, Quality Assurance Testing>
+<Console Game Development, partOf, Console Game Development>
+<Engine Development, connectedTo, Esports Event Organization>
+<Engine Development, partOf, Engine Development>
+<Esports Event Organization, connectedTo, PC Game Development>
+<Esports Event Organization, connectedTo, Player Progression Systems>
+<Game Analytics, connectedTo, AI Behavior Programming>
+<Game Analytics, connectedTo, Community Management>
+<Game Analytics, connectedTo, Game Balancing>
+<Game Analytics, connectedTo, Monetization Strategy>
+<Game Analytics, tests, Art Direction>
+<Game Balancing, connectedTo, Community Management>
+<Game Performance Optimization, connectedTo, User Interface Design>
+<Game Performance Optimization, partOf, Game Performance Optimization>
+<Game Publishing, connectedTo, Storytelling>
+<Live Operations, connectedTo, Community Management>
+<Live Operations, connectedTo, Sound Design>
+<Marketing and Promotion, connectedTo, Game Performance Optimization>
+<Marketing and Promotion, connectedTo, Monetization Strategy>
+<Monetization Strategy, connectedTo, Art Direction>
+<PC Game Development, connectedTo, Asset Creation>
+<PC Game Development, partOf, PC Game Development>
+<Player Progression Systems, connectedTo, AI Behavior Programming>
+<Quality Assurance Testing, connectedTo, Art Direction>
+<Quality Assurance Testing, partOf, Quality Assurance Testing>
+<Sound Design, connectedTo, Character Design>
+<Storytelling, connectedTo, Community Management>
+<Storytelling, connectedTo, Live Operations>
+<User Interface Design, designs, Engine Development>
+<User Interface Design, partOf, User Interface Design>
diff --git a/train/graphviz/hard/graphviz_455.txt b/train/graphviz/hard/graphviz_455.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4eaad31c9b0ef188e75315d9d51db466e40ab625
--- /dev/null
+++ b/train/graphviz/hard/graphviz_455.txt
@@ -0,0 +1,44 @@
+<Art Direction, connectedTo, Community Management>
+<Art Direction, connectedTo, In_Game Economy Design>
+<Art Direction, connectedTo, Marketing and Promotion>
+<Asset Creation, connectedTo, Programming>
+<Asset Creation, partOf, Asset Creation>
+<Augmented Reality Gaming, connectedTo, Player Feedback Integration>
+<Augmented Reality Gaming, partOf, Augmented Reality Gaming>
+<Character Design, connectedTo, Console Game Development>
+<Character Design, connectedTo, Quality Assurance Testing>
+<Community Management, connectedTo, User Experience Design>
+<Console Game Development, connectedTo, Motion Capture>
+<Console Game Development, partOf, Console Game Development>
+<Esports Event Organization, connectedTo, Community Management>
+<Esports Event Organization, connectedTo, PC Game Development>
+<Esports Event Organization, connectedTo, Quality Assurance Testing>
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+<Game Balancing, partOf, Game Balancing>
+<Game Design, connectedTo, Mobile Game Development>
+<Game Publishing, connectedTo, Community Management>
+<In_Game Economy Design, connectedTo, Esports Event Organization>
+<Level Design, connectedTo, Player Feedback Integration>
+<Localization, connectedTo, Art Direction>
+<Localization, connectedTo, Esports Event Organization>
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+<Marketing and Promotion, connectedTo, Esports Event Organization>
+<Marketing and Promotion, connectedTo, In_Game Economy Design>
+<Mobile Game Development, connectedTo, Game Publishing>
+<Motion Capture, connectedTo, Augmented Reality Gaming>
+<Motion Capture, partOf, Motion Capture>
+<PC Game Development, connectedTo, Game Design>
+<Player Feedback Integration, connectedTo, Character Design>
+<Player Progression Systems, connectedTo, Level Design>
+<Programming, connectedTo, User Interface Design>
+<Programming, partOf, Programming>
+<Quality Assurance Testing, connectedTo, AI Behavior Programming>
+<Quality Assurance Testing, tests, Game Balancing>
+<Storytelling, connectedTo, Esports Event Organization>
+<Storytelling, connectedTo, In_Game Economy Design>
+<Storytelling, connectedTo, Localization>
+<Storytelling, connectedTo, Marketing and Promotion>
+<Storytelling, connectedTo, Player Progression Systems>
+<User Experience Design, connectedTo, Player Progression Systems>
+<User Interface Design, connectedTo, Level Design>
+<User Interface Design, partOf, User Interface Design>
diff --git a/train/graphviz/hard/graphviz_456.dot b/train/graphviz/hard/graphviz_456.dot
new file mode 100644
index 0000000000000000000000000000000000000000..afb115e8264871cfaad14b14e97937d58f7b64d9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_456.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=BT
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+	N7 -> M1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N9 -> M1 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N11 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_456.txt b/train/graphviz/hard/graphviz_456.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ec7f072543d164c052cff9e68610e08dd5edf81
--- /dev/null
+++ b/train/graphviz/hard/graphviz_456.txt
@@ -0,0 +1,40 @@
+<AI Behavior Programming, connectedTo, Motion Capture>
+<Asset Creation, connectedTo, Game Publishing>
+<Asset Creation, partOf, Asset Creation>
+<Bug Fixing, connectedTo, Console Game Development>
+<Community Management, connectedTo, Player Progression Systems>
+<Community Management, partOf, Community Management>
+<Console Game Development, connectedTo, Community Management>
+<Console Game Development, connectedTo, Esports Event Organization>
+<Console Game Development, connectedTo, Player Feedback Integration>
+<Engine Development, connectedTo, Narrative Design>
+<Engine Development, connectedTo, Player Feedback Integration>
+<Esports Event Organization, connectedTo, Asset Creation>
+<Esports Event Organization, connectedTo, Player Feedback Integration>
+<Game Analytics, connectedTo, Mobile Game Development>
+<Game Design, connectedTo, Level Design>
+<Game Design, partOf, Game Design>
+<Game Performance Optimization, connectedTo, In_Game Economy Design>
+<Game Performance Optimization, partOf, Game Performance Optimization>
+<Game Publishing, connectedTo, Game Performance Optimization>
+<Game Publishing, partOf, Game Publishing>
+<In_Game Economy Design, connectedTo, Game Analytics>
+<In_Game Economy Design, partOf, In_Game Economy Design>
+<Level Design, connectedTo, Game Analytics>
+<Level Design, partOf, Level Design>
+<Marketing and Promotion, connectedTo, AI Behavior Programming>
+<Mobile Game Development, connectedTo, Bug Fixing>
+<Mobile Game Development, connectedTo, Player Feedback Integration>
+<Motion Capture, connectedTo, Engine Development>
+<Narrative Design, connectedTo, Bug Fixing>
+<Narrative Design, connectedTo, Game Analytics>
+<Narrative Design, connectedTo, Mobile Game Development>
+<Narrative Design, connectedTo, Physics Simulation>
+<Narrative Design, connectedTo, Player Feedback Integration>
+<Physics Simulation, connectedTo, Augmented Reality Gaming>
+<Player Feedback Integration, connectedTo, Virtual Reality Gaming>
+<Player Progression Systems, connectedTo, Game Design>
+<Player Progression Systems, partOf, Player Progression Systems>
+<Storytelling, connectedTo, Physics Simulation>
+<User Experience Design, connectedTo, Marketing and Promotion>
+<Virtual Reality Gaming, connectedTo, Storytelling>
diff --git a/train/graphviz/hard/graphviz_457.dot b/train/graphviz/hard/graphviz_457.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b3ea90af9d2d0e7e865939b72e7c834bf41f0baf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_457.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=LR
+	N0 [label="Copyright Management" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N1 [label="Merchandise Sales" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N2 [label=Sampling color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N3 [label="Streaming Platform Management" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	N4 [label="Artist Management" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N5 [label="Music Publishing" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N6 [label="Lyric Writing" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N7 [label="Synthesizer Programming" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	S0 [label="" color="#82DAFF" fillcolor="#C8EDFF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M2 [label="" color="#FF8A65" fillcolor="#FBE9E7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label=Composition labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Performance color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+		nest0_1 [label="Music Production" color="#FF8A65" fillcolor="#FBE9E7" shape=plaintext style=filled]
+		nest0_2 [label=Songwriting color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#EDE7F6" fontname=Helvetica fontsize=10 label="Music Licensing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Music Education" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+		nest1_1 [label="Instrumental Performance" color="#FF8A65" fillcolor="#FBE9E7" shape=plaintext style=filled]
+		nest1_2 [label="Fan Engagement Strategy" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=promotes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [label=streams color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest1_0 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N2 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N4 -> S0 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [label=produces color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N5 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	S2 -> N6 [label=funds color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N5 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_458.txt b/train/graphviz/hard/graphviz_458.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d9b91b8f14e39e1c39d21c8efa0644c4d060c26
--- /dev/null
+++ b/train/graphviz/hard/graphviz_458.txt
@@ -0,0 +1,42 @@
+<A&R, connectedTo, Audio Engineering>
+<A&R, connectedTo, Composition>
+<A&R, connectedTo, Lyric Writing>
+<A&R, connectedTo, Tour Management>
+<A&R, integrates, Ticketing>
+<Arrangement, partOf, Arrangement>
+<Arrangement, produces, Recording>
+<Audio Engineering, audits, Tour Management>
+<Composition, connectedTo, Lyric Writing>
+<Concert Promotion, connectedTo, Record Label Operations>
+<Concert Promotion, funds, Composition>
+<Fan Engagement Strategy, connectedTo, Audio Engineering>
+<Fan Engagement Strategy, partOf, Fan Engagement Strategy>
+<Lyric Writing, connectedTo, Recording>
+<Mastering, connectedTo, Fan Engagement Strategy>
+<Mastering, partOf, Mastering>
+<Music Distribution, analyzes, Arrangement>
+<Music Distribution, partOf, Music Distribution>
+<Music Festival Organization, connectedTo, Music Distribution>
+<Music Festival Organization, partOf, Music Festival Organization>
+<Music Production, connectedTo, Music Video Production>
+<Music Production, connectedTo, Performance>
+<Music Theory Analysis, connectedTo, A&R>
+<Music Theory Analysis, connectedTo, Music Production>
+<Music Theory Analysis, connectedTo, Performance>
+<Music Theory Analysis, connectedTo, Sound Design for Media>
+<Music Theory Analysis, connectedTo, Streaming Platform Management>
+<Music Theory Analysis, mixes, Lyric Writing>
+<Music Video Production, connectedTo, Mastering>
+<Music Video Production, partOf, Music Video Production>
+<Performance, connectedTo, Composition>
+<Performance, connectedTo, Sound Design for Media>
+<Record Label Operations, connectedTo, Music Production>
+<Record Label Operations, connectedTo, Performance>
+<Recording, connectedTo, Ticketing>
+<Sound Design for Media, connectedTo, A&R>
+<Streaming Platform Management, connectedTo, Concert Promotion>
+<Streaming Platform Management, connectedTo, Music Festival Organization>
+<Streaming Platform Management, connectedTo, Sound Design for Media>
+<Streaming Platform Management, connectedTo, Tour Management>
+<Streaming Platform Management, teaches, A&R>
+<Ticketing, connectedTo, Audio Engineering>
diff --git a/train/graphviz/hard/graphviz_459.dot b/train/graphviz/hard/graphviz_459.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1192e8d7b239fded4d3949d15be91a7e95f7309e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_459.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=RL
+	N0 [label=Ticketing color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Music Distribution" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N2 [label="Beat Making" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N3 [label="Lyric Writing" color="#E91E63" fillcolor="#FCE4EC" shape=octagon style=filled]
+	N4 [label="Record Label Operations" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N5 [label="Music Education" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N6 [label="Music Production" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N7 [label="Music for Film or TV or Games" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N8 [label="Sound Design for Media" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N9 [label="Live Sound Engineering" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N10 [label="Merchandise Sales" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N11 [label="Fan Engagement Strategy" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N12 [label=Arrangement color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N13 [label="Digital Audio Workstation Operation" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	S0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Music Publishing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Sampling color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest0_1 [label="Crowdfunding for Music Projects" color="#E91E63" fillcolor="#FCE4EC" shape=octagon style=filled]
+		nest0_0 -> nest0_1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Music Licensing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Vocal Performance" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest1_1 [label="Music Theory Analysis" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+		nest1_2 [label="Sound System Design" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+		nest1_3 [label="Synthesizer Programming" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=scores color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest1_0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N6 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label=programs color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> S2 [color="#FFB2A5" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	M1 -> N8 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_459.txt b/train/graphviz/hard/graphviz_459.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a7c8639a2aa9d2b5d655e01da9176e3be825d9c3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_459.txt
@@ -0,0 +1,38 @@
+<Arrangement, connectedTo, Digital Audio Workstation Operation>
+<Arrangement, connectedTo, Sampling>
+<Beat Making, connectedTo, Lyric Writing>
+<Crowdfunding for Music Projects, connectedTo, Music Distribution>
+<Crowdfunding for Music Projects, partOf, Crowdfunding for Music Projects>
+<Fan Engagement Strategy, connectedTo, Arrangement>
+<Live Sound Engineering, connectedTo, Merchandise Sales>
+<Lyric Writing, connectedTo, Fan Engagement Strategy>
+<Lyric Writing, connectedTo, Record Label Operations>
+<Lyric Writing, connectedTo, Sound Design for Media>
+<Lyric Writing, programs, Sound Design for Media>
+<Merchandise Sales, connectedTo, Fan Engagement Strategy>
+<Music Distribution, connectedTo, Beat Making>
+<Music Distribution, connectedTo, Fan Engagement Strategy>
+<Music Distribution, connectedTo, Music Production>
+<Music Distribution, connectedTo, Record Label Operations>
+<Music Education, connectedTo, Arrangement>
+<Music Education, connectedTo, Merchandise Sales>
+<Music Education, connectedTo, Music Production>
+<Music Education, connectedTo, Sound Design for Media>
+<Music Production, connectedTo, Music for Film or TV or Games>
+<Music Production, connectedTo, Sound Design for Media>
+<Music Theory Analysis, connectedTo, Sound System Design>
+<Music Theory Analysis, partOf, Music Theory Analysis>
+<Music for Film or TV or Games, connectedTo, Sound Design for Media>
+<Record Label Operations, connectedTo, Fan Engagement Strategy>
+<Record Label Operations, connectedTo, Vocal Performance>
+<Record Label Operations, scores, Music Education>
+<Sampling, connectedTo, Crowdfunding for Music Projects>
+<Sampling, partOf, Sampling>
+<Sound Design for Media, connectedTo, Live Sound Engineering>
+<Sound System Design, connectedTo, Synthesizer Programming>
+<Sound System Design, partOf, Sound System Design>
+<Synthesizer Programming, connectedTo, Music Production>
+<Synthesizer Programming, partOf, Synthesizer Programming>
+<Ticketing, connectedTo, Music Distribution>
+<Vocal Performance, connectedTo, Music Theory Analysis>
+<Vocal Performance, partOf, Vocal Performance>
diff --git a/train/graphviz/hard/graphviz_460.txt b/train/graphviz/hard/graphviz_460.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8cfb34006a982c30ede599197ddf5e567a455be3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_460.txt
@@ -0,0 +1,34 @@
+<Arrangement, connectedTo, Music Education>
+<Arrangement, connectedTo, Royalty Collection>
+<Arrangement, connectedTo, Tour Management>
+<Audio Engineering, connectedTo, Music Licensing>
+<Audio Engineering, connectedTo, Tour Management>
+<Beat Making, connectedTo, Digital Audio Workstation Operation>
+<Composition, connectedTo, Music Education>
+<Composition, partOf, Composition>
+<Crowdfunding for Music Projects, connectedTo, Sound Design for Media>
+<Crowdfunding for Music Projects, partOf, Crowdfunding for Music Projects>
+<Digital Audio Workstation Operation, connectedTo, Music Therapy>
+<Live Sound Engineering, connectedTo, Music Education>
+<Live Sound Engineering, connectedTo, Music Festival Organization>
+<Live Sound Engineering, partOf, Live Sound Engineering>
+<Mixing, connectedTo, Live Sound Engineering>
+<Mixing, partOf, Mixing>
+<Music Festival Organization, connectedTo, Music Education>
+<Music Licensing, connectedTo, Tour Management>
+<Music Therapy, connectedTo, Crowdfunding for Music Projects>
+<Music Therapy, connectedTo, Music Video Production>
+<Music Video Production, connectedTo, Music Festival Organization>
+<Performance, connectedTo, Sound System Design>
+<Royalty Collection, connectedTo, Audio Engineering>
+<Royalty Collection, connectedTo, Music Licensing>
+<Royalty Collection, connectedTo, Music Therapy>
+<Royalty Collection, connectedTo, Performance>
+<Royalty Collection, sells, Mixing>
+<Sampling, connectedTo, Performance>
+<Sound Design for Media, connectedTo, Composition>
+<Sound Design for Media, partOf, Sound Design for Media>
+<Sound System Design, therapies, Beat Making>
+<Tour Management, connectedTo, Sampling>
+<Vocal Performance, connectedTo, Arrangement>
+<Vocal Performance, connectedTo, Music Education>
diff --git a/train/graphviz/hard/graphviz_461.dot b/train/graphviz/hard/graphviz_461.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e759218acf79cae93e1798bbc35b1f38775b66f7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_461.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=TD
+	N0 [label="Music Education" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N1 [label="Audio Engineering" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N2 [label="Sound Design for Media" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N3 [label="Crowdfunding for Music Projects" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N4 [label="Sound System Design" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N5 [label=Sampling color="#E57373" fillcolor="#FFEBEE" shape=Mdiamond style=filled]
+	N6 [label="Instrumental Performance" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N7 [label=Mastering color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N8 [label="Concert Promotion" color="#AABEC6" fillcolor="#E0E6E9" shape=plaintext style=filled]
+	N9 [label="A&R" color="#AABEC6" fillcolor="#E0E6E9" shape=oval style=filled]
+	N10 [label="Music Distribution" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N11 [label="Digital Audio Workstation Operation" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N12 [label="Copyright Management" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+	N13 [label="Music Production" color="#CFCFCF" fillcolor="#F6F6F6" shape=box style=filled]
+	N14 [label="Streaming Platform Management" color="#E57373" fillcolor="#FFEBEE" shape=ellipse style=filled]
+	S1 [label="" color="#CFCFCF" fillcolor="#F6F6F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#CFCFCF" fillcolor="#F6F6F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#AABEC6" fillcolor="#E0E6E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label=Mixing labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Royalty Collection" color="#CFCFCF" fillcolor="#F6F6F6" shape=Mdiamond style=filled]
+		nest0_1 [label="Tour Management" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Music Video Production" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Beat Making" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+		nest1_1 [label=Songwriting color="#E57373" fillcolor="#FFEBEE" shape=plaintext style=filled]
+		nest1_2 [label="Music Theory Analysis" color="#CFCFCF" fillcolor="#F6F6F6" shape=Mdiamond style=filled]
+		nest1_0 -> nest1_1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#CFCFCF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#E57373" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=engineers color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> nest0_0 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N10 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest1_0 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N6 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#CFCFCF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#E57373" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [label=sells color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_462.dot b/train/graphviz/hard/graphviz_462.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3f29974ed2d42c457340ca84771f32bf78584694
--- /dev/null
+++ b/train/graphviz/hard/graphviz_462.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=TD
+	N0 [label="Music Video Production" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N1 [label=Arrangement color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N2 [label="Music Production" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N3 [label="Audio Engineering" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N4 [label="Live Sound Engineering" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N5 [label="Concert Promotion" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N6 [label="Streaming Platform Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+	N7 [label="Merchandise Sales" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N8 [label="Beat Making" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N9 [label="Copyright Management" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N10 [label="Vocal Performance" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	S0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#4FC3F7" fillcolor="#E1F5FE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Music Therapy" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Fan Engagement Strategy" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest0_1 [label="Sound System Design" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+		nest0_2 [label=Recording color="#FFF9AE" fillcolor="#FFFCE6" shape=oval style=filled]
+		nest0_3 [label="Royalty Collection" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label=Songwriting labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label=Mastering color="#FFF9AE" fillcolor="#FFFCE6" shape=Mdiamond style=filled]
+		nest1_1 [label=Performance color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+		nest1_2 [label="A&R" color="#4FC3F7" fillcolor="#E1F5FE" shape=octagon style=filled]
+		nest1_3 [label="Sound Design for Media" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest0_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N8 -> nest1_0 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N9 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N3 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N2 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N4 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	S2 -> N6 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [label=distributes color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_462.txt b/train/graphviz/hard/graphviz_462.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7cfb7496c716c8557eccf13168127776e1df4d17
--- /dev/null
+++ b/train/graphviz/hard/graphviz_462.txt
@@ -0,0 +1,40 @@
+<A&R, connectedTo, Sound Design for Media>
+<A&R, partOf, A&R>
+<Arrangement, connectedTo, Music Production>
+<Audio Engineering, connectedTo, Live Sound Engineering>
+<Audio Engineering, connectedTo, Merchandise Sales>
+<Beat Making, connectedTo, Copyright Management>
+<Beat Making, connectedTo, Mastering>
+<Concert Promotion, connectedTo, Merchandise Sales>
+<Concert Promotion, connectedTo, Streaming Platform Management>
+<Copyright Management, connectedTo, Vocal Performance>
+<Fan Engagement Strategy, connectedTo, Sound System Design>
+<Fan Engagement Strategy, partOf, Fan Engagement Strategy>
+<Live Sound Engineering, connectedTo, Concert Promotion>
+<Live Sound Engineering, connectedTo, Merchandise Sales>
+<Live Sound Engineering, connectedTo, Streaming Platform Management>
+<Live Sound Engineering, connectedTo, Vocal Performance>
+<Live Sound Engineering, distributes, Copyright Management>
+<Mastering, connectedTo, Performance>
+<Mastering, partOf, Mastering>
+<Merchandise Sales, connectedTo, Beat Making>
+<Merchandise Sales, connectedTo, Fan Engagement Strategy>
+<Music Production, connectedTo, Audio Engineering>
+<Music Video Production, connectedTo, Arrangement>
+<Music Video Production, connectedTo, Audio Engineering>
+<Music Video Production, connectedTo, Beat Making>
+<Music Video Production, connectedTo, Copyright Management>
+<Music Video Production, connectedTo, Live Sound Engineering>
+<Music Video Production, connectedTo, Merchandise Sales>
+<Music Video Production, connectedTo, Music Production>
+<Performance, connectedTo, A&R>
+<Performance, partOf, Performance>
+<Recording, connectedTo, Royalty Collection>
+<Recording, partOf, Recording>
+<Royalty Collection, connectedTo, Merchandise Sales>
+<Royalty Collection, partOf, Royalty Collection>
+<Sound Design for Media, connectedTo, Copyright Management>
+<Sound Design for Media, partOf, Sound Design for Media>
+<Sound System Design, connectedTo, Recording>
+<Sound System Design, partOf, Sound System Design>
+<Streaming Platform Management, connectedTo, Merchandise Sales>
diff --git a/train/graphviz/hard/graphviz_463.dot b/train/graphviz/hard/graphviz_463.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3bd32e4c3aa8ea5c1bbfbeff714087b750b77024
--- /dev/null
+++ b/train/graphviz/hard/graphviz_463.dot
@@ -0,0 +1,57 @@
+digraph {
+	rankdir=BT
+	N0 [label="Merchandise Sales" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N1 [label="Tour Management" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N2 [label="Music for Film or TV or Games" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N3 [label=Ticketing color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N4 [label="Audio Engineering" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N5 [label="Synthesizer Programming" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N6 [label="Music Distribution" color="#4CAF50" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N7 [label=Recording color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N8 [label="Royalty Collection" color="#388E3C" fillcolor="#F1F8E9" shape=plaintext style=filled]
+	N9 [label="Fan Engagement Strategy" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Music Therapy" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Lyric Writing" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_1 [label=Mastering color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [label=produces color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="A&R" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Sound Design for Media" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+		nest1_1 [label=Songwriting color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest1_2 [label="Music Festival Organization" color="#A1D7CD" fillcolor="#EDF5F3" shape=octagon style=filled]
+		nest1_3 [label="Concert Promotion" color="#A1D7CD" fillcolor="#EDF5F3" shape=folder style=filled]
+		nest1_0 -> nest1_1 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N4 [color="#4CAF50" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N9 [label=distributes color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#4CAF50" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_465.dot b/train/graphviz/hard/graphviz_465.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ef5c01d71e42098cebebaf8c10121c6abbc15b5e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_465.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=TD
+	N0 [label="Production Scheduling" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
+	N1 [label="Green Production Practices" color="#9FA9E1" fillcolor="#D6D9F0" shape=plaintext style=filled]
+	N2 [label="Legal Compliance" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N3 [label="Film Scoring" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N4 [label=Directing color="#FFE69C" fillcolor="#FFF9D4" shape=plaintext style=filled]
+	N5 [label="Crew Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+	N6 [label="Archiving and Preservation" color="#FFE69C" fillcolor="#FFF9D4" shape=folder style=filled]
+	N7 [label="Post_production Audio" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N8 [label="Sound Recording" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N9 [label=Casting color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N10 [label="Makeup and Hair Design" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N11 [label="Pre_production Planning" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N12 [label="Set Construction" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	S0 [label="" color="#A1D7CD" fillcolor="#EDF5F3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#FFE69C" fillcolor="#FFF9D4" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#9FA9E1" fillcolor="#D6D9F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Budget Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Remote Collaboration Tools" color="#9FA9E1" fillcolor="#D6D9F0" shape=plaintext style=filled]
+		nest0_1 [label="Color Grading" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+		nest0_2 [label="Film Festival Submission" color="#A1D7CD" fillcolor="#EDF5F3" shape=hexagon style=filled]
+		nest0_3 [label="Virtual Production Techniques" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Screenwriting Workshops" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Talent Negotiation" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
+		nest1_1 [label="Insurance Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest1_2 [label="Audience Research" color="#9FA9E1" fillcolor="#D6D9F0" shape=folder style=filled]
+		nest1_3 [label="Costume Design" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [label=composes color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [label=audits color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [label=coordinates color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> nest0_0 [label=scripts color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N12 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest1_0 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N5 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#9FA9E1" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N8 [color="#9FA9E1" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> S2 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [label="color grades" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_466.txt b/train/graphviz/hard/graphviz_466.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba2c58ca2613e53402e6bb67ac1ca7c352e81c7b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_466.txt
@@ -0,0 +1,39 @@
+<Archiving and Preservation, connectedTo, Script Development>
+<Archiving and Preservation, partOf, Archiving and Preservation>
+<Audience Research, connectedTo, Digital Asset Management>
+<Audience Research, partOf, Audience Research>
+<Budget Management, connectedTo, Legal Compliance>
+<Casting, connectedTo, Archiving and Preservation>
+<Casting, connectedTo, Film Festival Submission>
+<Casting, connectedTo, Legal Compliance>
+<Crew Management, connectedTo, Budget Management>
+<Crew Management, connectedTo, Film Festival Submission>
+<Crew Management, connectedTo, Legal Compliance>
+<Crew Management, connectedTo, Screenwriting Workshops>
+<Crew Management, connectedTo, Stunt Coordination>
+<Crew Management, mixes, Insurance Management>
+<Digital Asset Management, partOf, Digital Asset Management>
+<Digital Asset Management, scores, Virtual Production Techniques>
+<Film Festival Submission, connectedTo, Legal Compliance>
+<Film Festival Submission, connectedTo, Marketing and Publicity>
+<Insurance Management, audits, Casting>
+<Insurance Management, connectedTo, Film Festival Submission>
+<Insurance Management, connectedTo, Legal Compliance>
+<Legal Compliance, connectedTo, Screenwriting Workshops>
+<Lighting Design, connectedTo, Location Scouting>
+<Marketing and Publicity, connectedTo, Budget Management>
+<Pre_production Planning, partOf, Pre_production Planning>
+<Pre_production Planning, produces, Visual Effects>
+<Screenwriting Workshops, connectedTo, Audience Research>
+<Screenwriting Workshops, connectedTo, Lighting Design>
+<Screenwriting Workshops, connectedTo, Location Scouting>
+<Screenwriting Workshops, connectedTo, Stunt Coordination>
+<Screenwriting Workshops, connectedTo, Talent Negotiation>
+<Script Development, connectedTo, Pre_production Planning>
+<Script Development, partOf, Script Development>
+<Stunt Coordination, connectedTo, Lighting Design>
+<Talent Negotiation, connectedTo, Stunt Coordination>
+<Virtual Production Techniques, connectedTo, Talent Negotiation>
+<Virtual Production Techniques, partOf, Virtual Production Techniques>
+<Visual Effects, connectedTo, Stunt Coordination>
+<Visual Effects, partOf, Visual Effects>
diff --git a/train/graphviz/hard/graphviz_469.dot b/train/graphviz/hard/graphviz_469.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d82cdc500f77f7f2835e6ba005d49f9ec891d4c0
--- /dev/null
+++ b/train/graphviz/hard/graphviz_469.dot
@@ -0,0 +1,84 @@
+digraph {
+	rankdir=BT
+	N0 [label="Color Grading" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N1 [label="Script Development" color="#D3EB9F" fillcolor="#F8FDD3" shape=octagon style=filled]
+	N2 [label="Film Financing" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+	N3 [label="Stunt Coordination" color="#E91E63" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N4 [label="Visual Effects" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N5 [label="Prop Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N6 [label="Tax Incentive Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N7 [label="Marketing and Publicity" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+	N8 [label="Sound Recording" color="#B0C5CD" fillcolor="#DFE7EB" shape=oval style=filled]
+	N9 [label="Green Production Practices" color="#B0C5CD" fillcolor="#DFE7EB" shape=folder style=filled]
+	N10 [label=Cinematography color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N11 [label=Casting color="#E91E63" fillcolor="#FCE4EC" shape=plaintext style=filled]
+	N12 [label="Screenwriting Workshops" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N13 [label="Lighting Design" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N14 [label="Post_production Audio" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N15 [label="Virtual Production Techniques" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N16 [label="Pre_production Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N17 [label="Film Festival Submission" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N18 [label=Editing color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N19 [label="Archiving and Preservation" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Art Direction" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Insurance Management" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest0_1 [label="Crew Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Legal Compliance" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label=Storyboarding color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+		nest1_1 [label="Special Effects" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+		nest1_2 [label="Production Scheduling" color="#E91E63" fillcolor="#FCE4EC" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [label=coordinates color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [label=directs color="#000000" dir=forward penwidth=1.5 style=solid]
+	N16 -> N17 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N17 -> N18 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N18 -> N19 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N13 -> nest0_0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N16 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N12 -> nest1_0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N16 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N16 -> S0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N18 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N19 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N2 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [label=negotiates color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S2 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N19 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	S2 -> N17 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N6 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#D3EB9F" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N11 [color="#D3EB9F" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_47.dot b/train/graphviz/hard/graphviz_47.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3b5c66ea651385f797de273f190e24b3e3952eec
--- /dev/null
+++ b/train/graphviz/hard/graphviz_47.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=BT
+	N0 [label="Vehicle Assignment" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N1 [label="Maintenance Check" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N2 [label="Bus Stop Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N3 [label="Emergency Landing" color="#B8C0F5" fillcolor="#ECF0FD" shape=octagon style=filled]
+	N4 [label="Luggage Handling" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N5 [label="Location Input" color="#B8C0F5" fillcolor="#ECF0FD" shape=folder style=filled]
+	N6 [label="Train Dispatch" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N7 [label="Parking Management" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N8 [label="Air Traffic Control" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#B8C0F5" fillcolor="#ECF0FD" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#3F51B5" fillcolor="#C5CAE9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#673AB7" fillcolor="#D1C4E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Security Check" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+		nest0_1 [label="Weather Impact Assessment" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+		nest0_2 [label="Tunnel Monitoring" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [label=dispatches color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Public Transport Ticketing" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label=Boarding color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+		nest1_1 [label="Road Network Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=folder style=filled]
+		nest1_2 [label="Ticket Purchase" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
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+	nest0_2 -> N5 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest1_0 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N3 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S0 -> N4 [label=optimizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N3 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
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+	S1 -> N4 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> S2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [label=boards color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	S2 -> N5 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N3 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_47.txt b/train/graphviz/hard/graphviz_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d57728254ddca1e5141fbf2524676164548f6da
--- /dev/null
+++ b/train/graphviz/hard/graphviz_47.txt
@@ -0,0 +1,35 @@
+<Boarding, connectedTo, Road Network Management>
+<Boarding, partOf, Boarding>
+<Bus Stop Management, connectedTo, Air Traffic Control>
+<Bus Stop Management, connectedTo, Emergency Landing>
+<Bus Stop Management, connectedTo, Location Input>
+<Bus Stop Management, connectedTo, Luggage Handling>
+<Bus Stop Management, connectedTo, Parking Management>
+<Bus Stop Management, optimizes, Luggage Handling>
+<Emergency Landing, connectedTo, Location Input>
+<Emergency Landing, connectedTo, Luggage Handling>
+<Location Input, connectedTo, Boarding>
+<Location Input, connectedTo, Security Check>
+<Location Input, connectedTo, Train Dispatch>
+<Luggage Handling, connectedTo, Location Input>
+<Maintenance Check, boards, Parking Management>
+<Maintenance Check, connectedTo, Air Traffic Control>
+<Maintenance Check, connectedTo, Bus Stop Management>
+<Maintenance Check, connectedTo, Emergency Landing>
+<Maintenance Check, connectedTo, Location Input>
+<Maintenance Check, connectedTo, Luggage Handling>
+<Parking Management, connectedTo, Air Traffic Control>
+<Road Network Management, connectedTo, Ticket Purchase>
+<Road Network Management, partOf, Road Network Management>
+<Security Check, dispatches, Weather Impact Assessment>
+<Security Check, partOf, Security Check>
+<Ticket Purchase, connectedTo, Emergency Landing>
+<Ticket Purchase, partOf, Ticket Purchase>
+<Train Dispatch, connectedTo, Parking Management>
+<Tunnel Monitoring, connectedTo, Location Input>
+<Tunnel Monitoring, partOf, Tunnel Monitoring>
+<Vehicle Assignment, connectedTo, Location Input>
+<Vehicle Assignment, connectedTo, Luggage Handling>
+<Vehicle Assignment, connectedTo, Maintenance Check>
+<Weather Impact Assessment, connectedTo, Tunnel Monitoring>
+<Weather Impact Assessment, partOf, Weather Impact Assessment>
diff --git a/train/graphviz/hard/graphviz_472.dot b/train/graphviz/hard/graphviz_472.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d8732816a075fb8803c664eb080db32077f6334
--- /dev/null
+++ b/train/graphviz/hard/graphviz_472.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=BT
+	N0 [label="Marketing and Publicity" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N1 [label="Location Scouting" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Sound Recording" color="#BA68C8" fillcolor="#F3E5F5" shape=folder style=filled]
+	N3 [label="Film Festival Submission" color="#B0C5CD" fillcolor="#DFE7EB" shape=folder style=filled]
+	N4 [label="Film Financing" color="#64B5F6" fillcolor="#E3F2FD" shape=folder style=filled]
+	N5 [label="Art Direction" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N6 [label=Casting color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N7 [label="Insurance Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N8 [label="Prop Management" color="#64B5F6" fillcolor="#E3F2FD" shape=folder style=filled]
+	N9 [label="Digital Asset Management" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N10 [label="Legal Compliance" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N11 [label="Virtual Production Techniques" color="#64B5F6" fillcolor="#E3F2FD" shape=plaintext style=filled]
+	N12 [label="Stunt Coordination" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N13 [label="Crew Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+	N14 [label="Tax Incentive Management" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	S0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Budget Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Production Accounting" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+		nest0_1 [label="Color Grading" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label=Cinematography labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Makeup and Hair Design" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+		nest1_1 [label="Audience Research" color="#BA68C8" fillcolor="#F3E5F5" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label=screens color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label=publishes color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [label=distributes color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N3 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	N13 -> nest1_0 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N5 [color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#B0C5CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [color="#64B5F6" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> S2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [label=animates color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N14 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [label=films color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [label=directs color="#B0C5CD" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#64B5F6" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_472.txt b/train/graphviz/hard/graphviz_472.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ff28ed088ccda37ee7e76474c2b03157e699a7a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_472.txt
@@ -0,0 +1,36 @@
+<Art Direction, connectedTo, Casting>
+<Art Direction, connectedTo, Prop Management>
+<Art Direction, connectedTo, Stunt Coordination>
+<Audience Research, connectedTo, Art Direction>
+<Audience Research, partOf, Audience Research>
+<Casting, connectedTo, Crew Management>
+<Casting, connectedTo, Insurance Management>
+<Casting, connectedTo, Legal Compliance>
+<Casting, connectedTo, Stunt Coordination>
+<Casting, connectedTo, Tax Incentive Management>
+<Color Grading, connectedTo, Film Festival Submission>
+<Color Grading, partOf, Color Grading>
+<Crew Management, connectedTo, Makeup and Hair Design>
+<Crew Management, distributes, Tax Incentive Management>
+<Digital Asset Management, connectedTo, Legal Compliance>
+<Film Festival Submission, connectedTo, Film Financing>
+<Film Festival Submission, directs, Casting>
+<Film Financing, connectedTo, Casting>
+<Film Financing, connectedTo, Production Accounting>
+<Film Financing, screens, Art Direction>
+<Insurance Management, connectedTo, Prop Management>
+<Legal Compliance, publishes, Virtual Production Techniques>
+<Location Scouting, connectedTo, Film Festival Submission>
+<Location Scouting, connectedTo, Sound Recording>
+<Makeup and Hair Design, connectedTo, Audience Research>
+<Makeup and Hair Design, partOf, Makeup and Hair Design>
+<Marketing and Publicity, connectedTo, Location Scouting>
+<Marketing and Publicity, films, Film Festival Submission>
+<Production Accounting, connectedTo, Color Grading>
+<Production Accounting, partOf, Production Accounting>
+<Prop Management, connectedTo, Digital Asset Management>
+<Sound Recording, connectedTo, Film Festival Submission>
+<Stunt Coordination, connectedTo, Crew Management>
+<Virtual Production Techniques, animates, Crew Management>
+<Virtual Production Techniques, connectedTo, Stunt Coordination>
+<Virtual Production Techniques, connectedTo, Tax Incentive Management>
diff --git a/train/graphviz/hard/graphviz_473.txt b/train/graphviz/hard/graphviz_473.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f99d53506ea3cc3ffaf5fec8e20df72c549e53d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_473.txt
@@ -0,0 +1,33 @@
+<Audience Analysis, connectedTo, Content Management System Operation>
+<Audience Analysis, connectedTo, Ideation and Brainstorming>
+<Content Localization, connectedTo, Distribution Planning>
+<Content Localization, connectedTo, Ideation and Brainstorming>
+<Content Localization, connectedTo, Publishing>
+<Content Management System Operation, connectedTo, Transcribing Audio or Video>
+<Content Management System Operation, partOf, Content Management System Operation>
+<Distribution Planning, connectedTo, Publishing>
+<Distribution Planning, tracks, Newsletter Creation>
+<Distribution Planning, writes, Ideation and Brainstorming>
+<Drafting Content, connectedTo, Audience Analysis>
+<Drafting Content, connectedTo, Publishing>
+<Drafting Content, connectedTo, User_Generated Content Curation>
+<Graphic Design, connectedTo, Animation>
+<Ideation and Brainstorming, connectedTo, Publishing>
+<Ideation and Brainstorming, connectedTo, Research and Outline>
+<Interactive Content Development, connectedTo, Photography>
+<Interactive Content Development, partOf, Interactive Content Development>
+<Newsletter Creation, connectedTo, Animation>
+<Newsletter Creation, connectedTo, Drafting Content>
+<Newsletter Creation, streams, Ideation and Brainstorming>
+<Photography, connectedTo, Content Management System Operation>
+<Photography, partOf, Photography>
+<Publishing, automates, Interactive Content Development>
+<Publishing, connectedTo, Graphic Design>
+<Research and Outline, connectedTo, Webinar Hosting>
+<Research and Outline, partOf, Research and Outline>
+<Transcribing Audio or Video, connectedTo, Distribution Planning>
+<Transcribing Audio or Video, partOf, Transcribing Audio or Video>
+<User_Generated Content Curation, connectedTo, Research and Outline>
+<User_Generated Content Curation, partOf, User_Generated Content Curation>
+<Webinar Hosting, connectedTo, Animation>
+<Webinar Hosting, partOf, Webinar Hosting>
diff --git a/train/graphviz/hard/graphviz_474.txt b/train/graphviz/hard/graphviz_474.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f6498a8dc49b518cbc40133820cf360e3b7d3be
--- /dev/null
+++ b/train/graphviz/hard/graphviz_474.txt
@@ -0,0 +1,41 @@
+<Animation, connectedTo, Blog Post Writing>
+<Animation, connectedTo, Distribution Planning>
+<Animation, connectedTo, E_book Writing>
+<Animation, podcasts, Webinar Hosting>
+<Audio Recording, connectedTo, Copywriting>
+<Blog Post Writing, connectedTo, Monetization Strategy>
+<Branding, connectedTo, Audio Recording>
+<Content Localization, connectedTo, Audience Analysis>
+<Content Management System Operation, connectedTo, Audience Analysis>
+<Content Management System Operation, connectedTo, Drafting Content>
+<Content Management System Operation, connectedTo, E_book Writing>
+<Content Management System Operation, connectedTo, User_Generated Content Curation>
+<Content Management System Operation, connectedTo, Webinar Hosting>
+<Content Repurposing, connectedTo, Videography>
+<Copywriting, connectedTo, Audience Analysis>
+<Copywriting, connectedTo, Content Management System Operation>
+<Copywriting, connectedTo, Drafting Content>
+<Copywriting, connectedTo, Performance Tracking>
+<Distribution Planning, connectedTo, Blog Post Writing>
+<Drafting Content, connectedTo, Webinar Hosting>
+<E_book Writing, connectedTo, Drafting Content>
+<Editing and Proofreading, partOf, Editing and Proofreading>
+<Editing and Proofreading, writes, Publishing>
+<Fact_Checking, connectedTo, Transcribing Audio or Video>
+<Graphic Design, connectedTo, Drafting Content>
+<Graphic Design, partOf, Graphic Design>
+<Influencer Collaboration, connectedTo, Graphic Design>
+<Influencer Collaboration, partOf, Influencer Collaboration>
+<Interactive Content Development, connectedTo, E_book Writing>
+<Interactive Content Development, connectedTo, Editing and Proofreading>
+<Monetization Strategy, connectedTo, Fact_Checking>
+<Performance Tracking, connectedTo, Content Management System Operation>
+<Publishing, drafts, Drafting Content>
+<Publishing, partOf, Publishing>
+<Research and Outline, connectedTo, Animation>
+<Transcribing Audio or Video, connectedTo, Content Repurposing>
+<Transcribing Audio or Video, connectedTo, Drafting Content>
+<User_Generated Content Curation, connectedTo, Interactive Content Development>
+<Videography, connectedTo, Branding>
+<Videography, connectedTo, Influencer Collaboration>
+<Webinar Hosting, connectedTo, Content Localization>
diff --git a/train/graphviz/hard/graphviz_476.txt b/train/graphviz/hard/graphviz_476.txt
new file mode 100644
index 0000000000000000000000000000000000000000..209f8f560516235160581649937e9e9e6f042a84
--- /dev/null
+++ b/train/graphviz/hard/graphviz_476.txt
@@ -0,0 +1,42 @@
+<Animation, connectedTo, Live Streaming Content>
+<Animation, connectedTo, Webinar Hosting>
+<Audience Analysis, creates, Monetization Strategy>
+<Audience Engagement, connectedTo, Blog Post Writing>
+<Blog Post Writing, connectedTo, Animation>
+<Blog Post Writing, connectedTo, Drafting Content>
+<Blog Post Writing, connectedTo, Live Streaming Content>
+<Blog Post Writing, connectedTo, Photography>
+<Blog Post Writing, connectedTo, Publishing>
+<Blog Post Writing, connectedTo, Webinar Hosting>
+<Branding, connectedTo, Drafting Content>
+<Branding, partOf, Branding>
+<Call to Action Design, connectedTo, Newsletter Creation>
+<Call to Action Design, partOf, Call to Action Design>
+<Content Strategy Development, connectedTo, Branding>
+<Content Strategy Development, partOf, Content Strategy Development>
+<Copywriting, engages, Webinar Hosting>
+<Copywriting, partOf, Copywriting>
+<Drafting Content, connectedTo, Influencer Collaboration>
+<Influencer Collaboration, connectedTo, Performance Tracking>
+<Influencer Collaboration, connectedTo, Photography>
+<Interactive Content Development, connectedTo, Copywriting>
+<Interactive Content Development, partOf, Interactive Content Development>
+<Live Streaming Content, audios, Influencer Collaboration>
+<Live Streaming Content, automates, Audience Analysis>
+<Live Streaming Content, connectedTo, Drafting Content>
+<Live Streaming Content, connectedTo, Voice Acting or Narration>
+<Live Streaming Content, connectedTo, Webinar Hosting>
+<Monetization Strategy, connectedTo, Videography>
+<Newsletter Creation, connectedTo, Content Strategy Development>
+<Newsletter Creation, partOf, Newsletter Creation>
+<Performance Tracking, connectedTo, User_Generated Content Curation>
+<Performance Tracking, partOf, Performance Tracking>
+<Photography, connectedTo, Voice Acting or Narration>
+<Publishing, connectedTo, Animation>
+<Search Engine Optimization, connectedTo, Audience Engagement>
+<Search Engine Optimization, connectedTo, Call to Action Design>
+<User_Generated Content Curation, connectedTo, Interactive Content Development>
+<User_Generated Content Curation, partOf, User_Generated Content Curation>
+<Video Scripting, connectedTo, Search Engine Optimization>
+<Videography, curates, Webinar Hosting>
+<Webinar Hosting, connectedTo, Drafting Content>
diff --git a/train/graphviz/hard/graphviz_478.dot b/train/graphviz/hard/graphviz_478.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cd490c79eb1091a6180e01649ce2efcc703250a4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_478.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=RL
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+	N1 [label="Video Scripting" color="#81C784" fillcolor="#F1F8E9" shape=oval style=filled]
+	N2 [label="Ideation and Brainstorming" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N3 [label=Publishing color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N4 [label=Branding color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N5 [label="Podcast Production" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N6 [label="Newsletter Creation" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N7 [label="Plagiarism Checking" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N8 [label="Audience Engagement" color="#EAEFA5" fillcolor="#FDFCEB" shape=Mdiamond style=filled]
+	N9 [label="Distribution Planning" color="#EAEFA5" fillcolor="#FDFCEB" shape=folder style=filled]
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+	N11 [label="Webinar Hosting" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N12 [label=Animation color="#81C784" fillcolor="#F1F8E9" shape=plaintext style=filled]
+	N13 [label="Voice Acting or Narration" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
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+	N15 [label="Transcribing Audio or Video" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
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+	S2 [label="" color="#EAEFA5" fillcolor="#FDFCEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
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+		nest0_1 [label="Interview Conduct" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
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+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="E_book Writing" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+		nest1_1 [label="Interactive Content Development" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest1_2 [label=Photography color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
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+	N1 -> M0 [label=curates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N6 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_48.dot b/train/graphviz/hard/graphviz_48.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fa23af4d12b765d972929de8d0a3bdec17361023
--- /dev/null
+++ b/train/graphviz/hard/graphviz_48.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=TD
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diff --git a/train/graphviz/hard/graphviz_48.txt b/train/graphviz/hard/graphviz_48.txt
new file mode 100644
index 0000000000000000000000000000000000000000..693aba685680554cc67e45684cfb1ad18fb967ea
--- /dev/null
+++ b/train/graphviz/hard/graphviz_48.txt
@@ -0,0 +1,44 @@
+<Air Traffic Control, connectedTo, Ride_sharing Request>
+<Bus Stop Management, connectedTo, Air Traffic Control>
+<Bus Stop Management, connectedTo, Maintenance Check>
+<Bus Stop Management, connectedTo, Navigation Update>
+<Bus Stop Management, connectedTo, Train Dispatch>
+<Cargo Loading, connectedTo, Navigation Update>
+<Cargo Loading, connectedTo, Platform Assignment>
+<Customs Clearance, connectedTo, Electric Vehicle Charging>
+<Customs Clearance, partOf, Customs Clearance>
+<Delay Alert, connectedTo, Passenger Boarding Pass Issuance>
+<Delay Alert, connectedTo, Public Transport Ticketing>
+<Electric Vehicle Charging, connectedTo, Ticket Purchase>
+<Electric Vehicle Charging, partOf, Electric Vehicle Charging>
+<Emergency Landing, connectedTo, Bridge Inspection>
+<Emergency Landing, partOf, Emergency Landing>
+<Fueling, connectedTo, Vehicle Tracking>
+<Incident Report, connectedTo, Cargo Loading>
+<Incident Report, connectedTo, Passenger Boarding Pass Issuance>
+<Incident Report, connectedTo, Platform Assignment>
+<Luggage Handling, connectedTo, Air Traffic Control>
+<Maintenance Check, connectedTo, Air Traffic Control>
+<Maintenance Check, connectedTo, Fueling>
+<Maintenance Check, connectedTo, Passenger Boarding Pass Issuance>
+<Maintenance Check, connectedTo, Ticket Purchase>
+<Navigation Update, connectedTo, Platform Assignment>
+<Navigation Update, connectedTo, Route Diversion>
+<Passenger Boarding Pass Issuance, connectedTo, Platform Assignment>
+<Platform Assignment, connectedTo, Luggage Handling>
+<Public Transport Ticketing, connectedTo, Weather Impact Assessment>
+<Public Transport Ticketing, partOf, Public Transport Ticketing>
+<Ride_sharing Request, connectedTo, Bridge Inspection>
+<Route Diversion, connectedTo, Maintenance Check>
+<Route Optimization, connectedTo, Delay Alert>
+<Ticket Purchase, assigns, Vehicle Tracking>
+<Ticket Purchase, connectedTo, Air Traffic Control>
+<Ticket Purchase, connectedTo, Delay Alert>
+<Ticket Purchase, connectedTo, Fueling>
+<Train Dispatch, connectedTo, Incident Report>
+<Train Dispatch, connectedTo, Passenger Boarding Pass Issuance>
+<Vehicle Tracking, arrives, Route Optimization>
+<Vehicle Tracking, connectedTo, Customs Clearance>
+<Vehicle Tracking, connectedTo, Platform Assignment>
+<Weather Impact Assessment, connectedTo, Emergency Landing>
+<Weather Impact Assessment, partOf, Weather Impact Assessment>
diff --git a/train/graphviz/hard/graphviz_480.txt b/train/graphviz/hard/graphviz_480.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff3e28b7332bf404182d89ac9bbe2538c05b596c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_480.txt
@@ -0,0 +1,30 @@
+<Audience Engagement, connectedTo, Content Repurposing>
+<Audience Engagement, connectedTo, Content Strategy Development>
+<Audience Engagement, connectedTo, Ideation and Brainstorming>
+<Audience Engagement, connectedTo, Keyword Research>
+<Call to Action Design, connectedTo, Content Strategy Development>
+<Call to Action Design, connectedTo, Keyword Research>
+<Call to Action Design, connectedTo, Transcribing Audio or Video>
+<Content Localization, connectedTo, Webinar Hosting>
+<Content Localization, partOf, Content Localization>
+<Content Repurposing, connectedTo, Webinar Hosting>
+<Content Strategy Development, connectedTo, Content Repurposing>
+<E_book Writing, connectedTo, Audience Engagement>
+<E_book Writing, connectedTo, Content Strategy Development>
+<E_book Writing, connectedTo, Live Streaming Content>
+<Editing and Proofreading, connectedTo, Call to Action Design>
+<Editing and Proofreading, connectedTo, Content Strategy Development>
+<Ideation and Brainstorming, connectedTo, Keyword Research>
+<Live Streaming Content, connectedTo, Content Localization>
+<Live Streaming Content, partOf, Live Streaming Content>
+<Publishing, connectedTo, Research and Outline>
+<Publishing, partOf, Publishing>
+<Research and Outline, connectedTo, Editing and Proofreading>
+<Research and Outline, partOf, Research and Outline>
+<Transcribing Audio or Video, connectedTo, Content Strategy Development>
+<Transcribing Audio or Video, connectedTo, E_book Writing>
+<Videography, connectedTo, Content Strategy Development>
+<Videography, connectedTo, Editing and Proofreading>
+<Videography, connectedTo, Keyword Research>
+<Webinar Hosting, connectedTo, Ideation and Brainstorming>
+<Webinar Hosting, connectedTo, Publishing>
diff --git a/train/graphviz/hard/graphviz_483.dot b/train/graphviz/hard/graphviz_483.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a96d692c9a347821a08538ee86b876afc8eb0ba3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_483.dot
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diff --git a/train/graphviz/hard/graphviz_486.dot b/train/graphviz/hard/graphviz_486.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e8b3313d6a1cb6c555bd4939df185b74ec038d40
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_487.txt b/train/graphviz/hard/graphviz_487.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4f2bc73d3268b869cadf90f7fa22de111b8f8c0a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_487.txt
@@ -0,0 +1,31 @@
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+<Data Collection, connectedTo, Real_time Analytics>
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+<Data Pipeline Development, connectedTo, Cloud_based Data Platforms>
+<Data Pipeline Development, connectedTo, Web Analytics>
+<Data Security Best Practices, reports, Data Collection>
+<Data Visualization, connectedTo, Customer Analytics>
+<Machine Learning Integration, connectedTo, Customer Analytics>
+<Machine Learning Integration, connectedTo, Data Pipeline Development>
+<Machine Learning Integration, connectedTo, Report Generation>
+<Machine Learning Integration, connectedTo, Web Analytics>
+<Machine Learning Integration, forecasts, Web Analytics>
+<Marketing Campaign Analysis, models, Machine Learning Integration>
+<Predictive Analytics, connectedTo, A or B Testing Analysis>
+<Predictive Analytics, partOf, Predictive Analytics>
+<Real_time Analytics, connectedTo, Marketing Campaign Analysis>
+<Real_time Analytics, connectedTo, Web Analytics>
+<Report Generation, connectedTo, Data Pipeline Development>
+<Report Generation, connectedTo, Data Visualization>
+<Report Generation, connectedTo, Web Analytics>
+<Sales Performance Analysis, connectedTo, Predictive Analytics>
+<Sales Performance Analysis, partOf, Sales Performance Analysis>
+<Sentiment Analysis, connectedTo, Machine Learning Integration>
+<Sentiment Analysis, partOf, Sentiment Analysis>
diff --git a/train/graphviz/hard/graphviz_489.dot b/train/graphviz/hard/graphviz_489.dot
new file mode 100644
index 0000000000000000000000000000000000000000..955a06c345b3a574b5707a7d087d0a15b3089685
--- /dev/null
+++ b/train/graphviz/hard/graphviz_489.dot
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diff --git a/train/graphviz/hard/graphviz_49.txt b/train/graphviz/hard/graphviz_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..94b1c6b0c347938c119fe77aea897f197f410edb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_49.txt
@@ -0,0 +1,33 @@
+<Alert Dispatch, connectedTo, Distributed Generation Management>
+<Alert Dispatch, connectedTo, Energy Market Analysis>
+<Alert Dispatch, connectedTo, Load Shedding>
+<Alert Dispatch, connectedTo, Substation Automation>
+<Alert Dispatch, develops, Grid Modernization>
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+<Cybersecurity for Grid, connectedTo, Grid Modernization>
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+<Distributed Generation Management, connectedTo, Energy Market Analysis>
+<Distributed Generation Management, connectedTo, Power Backup>
+<Distributed Generation Management, connectedTo, Substation Automation>
+<Energy Market Analysis, researches, Power Backup>
+<Geothermal Power, connectedTo, Transformer Station>
+<Geothermal Power, partOf, Geothermal Power>
+<Grid Modernization, connectedTo, Distributed Generation Management>
+<Grid Modernization, connectedTo, Load Shedding>
+<Grid Modernization, connectedTo, Oil and Gas Exploration>
+<Hydropower Generation, connectedTo, Load Shedding>
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diff --git a/train/graphviz/hard/graphviz_491.dot b/train/graphviz/hard/graphviz_491.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ecfb9fcfa2d43d1e2842ededfb8169905235c89b
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_493.txt b/train/graphviz/hard/graphviz_493.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23db44c52d02614091f964a9d51158170339b42b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_493.txt
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diff --git a/train/graphviz/hard/graphviz_494.dot b/train/graphviz/hard/graphviz_494.dot
new file mode 100644
index 0000000000000000000000000000000000000000..33fa3907fe02ff9336c59f1dc788746178e63fee
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diff --git a/train/graphviz/hard/graphviz_495.dot b/train/graphviz/hard/graphviz_495.dot
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diff --git a/train/graphviz/hard/graphviz_496.txt b/train/graphviz/hard/graphviz_496.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e29bc4de891858f722a96f5d5d6cb093b41fa19e
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_499.dot b/train/graphviz/hard/graphviz_499.dot
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diff --git a/train/graphviz/hard/graphviz_503.dot b/train/graphviz/hard/graphviz_503.dot
new file mode 100644
index 0000000000000000000000000000000000000000..13afddb5ece81630898c87840c9f251b48d1f632
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diff --git a/train/graphviz/hard/graphviz_503.txt b/train/graphviz/hard/graphviz_503.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff241e248cdb2bd8d76b1dda71a24cb7ad4697fd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_503.txt
@@ -0,0 +1,41 @@
+<A or B Testing for Marketing, connectedTo, Loyalty Programs>
+<Affiliate Marketing, connectedTo, Content Marketing>
+<Affiliate Marketing, partOf, Affiliate Marketing>
+<Brand Strategy Development, connectedTo, Event Marketing>
+<Brand Strategy Development, partOf, Brand Strategy Development>
+<Campaign Performance Tracking, connectedTo, Marketing Budget Allocation>
+<Competitive Analysis, connectedTo, Personalization Strategies>
+<Content Marketing, connectedTo, Competitive Analysis>
+<Content Marketing, connectedTo, Loyalty Programs>
+<Conversion Rate Optimization, connectedTo, Content Marketing>
+<Conversion Rate Optimization, connectedTo, Loyalty Programs>
+<Customer Journey Mapping, connectedTo, Target Audience Identification>
+<Customer Relationship Management, partOf, Customer Relationship Management>
+<Customer Relationship Management, personalizes content, Affiliate Marketing>
+<Customer Segmentation, connectedTo, Partnership Marketing>
+<Event Marketing, connectedTo, Marketing Analytics>
+<Event Marketing, partOf, Event Marketing>
+<Influencer Marketing, connectedTo, Customer Journey Mapping>
+<Influencer Marketing, guerilla marketing, Customer Segmentation>
+<Loyalty Programs, connectedTo, Pricing Strategy>
+<Marketing Analytics, connectedTo, Mobile Marketing>
+<Marketing Budget Allocation, connectedTo, Conversion Rate Optimization>
+<Mobile Marketing, connectedTo, Search Engine Marketing>
+<Mobile Marketing, connectedTo, Telemarketing>
+<Partnership Marketing, connectedTo, Email Marketing>
+<Partnership Marketing, connectedTo, Podcast Marketing>
+<Partnership Marketing, connectedTo, Target Audience Identification>
+<Personalization Strategies, connectedTo, A or B Testing for Marketing>
+<Podcast Marketing, connectedTo, Customer Journey Mapping>
+<Podcast Marketing, connectedTo, Website Design and Optimization>
+<Pricing Strategy, connectedTo, Influencer Marketing>
+<Remarketing Campaigns, connectedTo, Customer Journey Mapping>
+<Search Engine Marketing, connectedTo, Email Marketing>
+<Target Audience Identification, connectedTo, Email Marketing>
+<Target Audience Identification, connectedTo, Marketing Analytics>
+<Target Audience Identification, connectedTo, Mobile Marketing>
+<Target Audience Identification, connectedTo, Search Engine Marketing>
+<Telemarketing, connectedTo, Customer Relationship Management>
+<Telemarketing, partOf, Telemarketing>
+<Website Design and Optimization, connectedTo, Brand Strategy Development>
+<Website Design and Optimization, connectedTo, Remarketing Campaigns>
diff --git a/train/graphviz/hard/graphviz_507.txt b/train/graphviz/hard/graphviz_507.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a7ec7600f3e7602bbde00067fdbd53fc3caf280f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_507.txt
@@ -0,0 +1,41 @@
+<Ad Analytics Reporting, manages budgets, Budget Management>
+<Ad Copywriting, selects platforms, Conversion Tracking>
+<Ad Network Management, monitors competitors, Demographic Targeting>
+<Ad Network Management, partOf, Ad Network Management>
+<Ad Placement Optimization, connectedTo, Video Advertising>
+<Ad Platform Management, connectedTo, Landing Page Optimization>
+<Ad Platform Management, partOf, Ad Platform Management>
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+<Audience Segmentation for Ads, partOf, Audience Segmentation for Ads>
+<Budget Management, connectedTo, Performance Tracking>
+<Competitor Ad Analysis, connectedTo, Ad Copywriting>
+<Customer Acquisition Cost Analysis, connectedTo, Audience Segmentation for Ads>
+<Customer Acquisition Cost Analysis, partOf, Customer Acquisition Cost Analysis>
+<Demographic Targeting, connectedTo, Digital Advertising>
+<Demographic Targeting, partOf, Demographic Targeting>
+<Digital Advertising, connectedTo, Ad Copywriting>
+<Digital Advertising, partOf, Digital Advertising>
+<Landing Page Optimization, connectedTo, Customer Acquisition Cost Analysis>
+<Landing Page Optimization, partOf, Landing Page Optimization>
+<Media Buying, connectedTo, Ad Analytics Reporting>
+<Media Buying, connectedTo, Ad Placement Optimization>
+<Outdoor Advertising, connectedTo, Ad Placement Optimization>
+<Outdoor Advertising, connectedTo, Media Buying>
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+<Performance Tracking, connectedTo, Return on Ad Spend Calculation>
+<Programmatic Advertising, connectedTo, Search Engine Ads>
+<Programmatic Advertising, connectedTo, Visual Design for Ads>
+<Psychographic Targeting, connectedTo, Ad Placement Optimization>
+<Radio Advertising, connectedTo, Programmatic Advertising>
+<Return on Ad Spend Calculation, connectedTo, Radio Advertising>
+<Return on Ad Spend Calculation, connectedTo, Search Engine Ads>
+<Return on Ad Spend Calculation, targets demographics, Programmatic Advertising>
+<Search Engine Ads, connectedTo, Ad Copywriting>
+<Search Engine Ads, connectedTo, Ad Placement Optimization>
+<Search Engine Ads, connectedTo, Ad Platform Management>
+<Search Engine Ads, connectedTo, Conversion Tracking>
+<Search Engine Ads, connectedTo, Psychographic Targeting>
+<Search Engine Ads, connectedTo, Video Advertising>
+<Video Advertising, search ads, Competitor Ad Analysis>
+<Visual Design for Ads, partOf, Visual Design for Ads>
+<Visual Design for Ads, plans campaigns, Ad Network Management>
diff --git a/train/graphviz/hard/graphviz_508.dot b/train/graphviz/hard/graphviz_508.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d034ef4e357e60965dc57dfcb3df229457005785
--- /dev/null
+++ b/train/graphviz/hard/graphviz_508.dot
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new file mode 100644
index 0000000000000000000000000000000000000000..a44e244303533debe09bbb9a0048b19ea3994454
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diff --git a/train/graphviz/hard/graphviz_511.dot b/train/graphviz/hard/graphviz_511.dot
new file mode 100644
index 0000000000000000000000000000000000000000..46037a15dc8a226b00d98ed8ec5cffd7e60c8940
--- /dev/null
+++ b/train/graphviz/hard/graphviz_511.dot
@@ -0,0 +1,71 @@
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diff --git a/train/graphviz/hard/graphviz_513.dot b/train/graphviz/hard/graphviz_513.dot
new file mode 100644
index 0000000000000000000000000000000000000000..54e3a222920017513bfd8d48ab299e05ad5dfc9c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_513.dot
@@ -0,0 +1,77 @@
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diff --git a/train/graphviz/hard/graphviz_515.dot b/train/graphviz/hard/graphviz_515.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e8936fe02620642c8d1f616175ffb1583e5dfa60
--- /dev/null
+++ b/train/graphviz/hard/graphviz_515.dot
@@ -0,0 +1,69 @@
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+	S2 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N10 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#FFC2C2" dir=forward penwidth=1.5 style=solid]
+	N4 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_518.txt b/train/graphviz/hard/graphviz_518.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e038d67884a31ea2a373556357625cb1e72c6bd9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_518.txt
@@ -0,0 +1,33 @@
+<Blockchain Node Operation, connectedTo, Decentralized Finance Protocols>
+<Blockchain Node Operation, connectedTo, Digital Identity Management>
+<Blockchain Node Operation, traces provenance, Governance Models for Blockchains>
+<Cross_Border Payments, connectedTo, Distributed Ledger Technology>
+<Decentralized Finance Protocols, connectedTo, Digital Identity Management>
+<Decentralized Finance Protocols, connectedTo, Mining Operations>
+<Decentralized Network Design, connectedTo, Cross_Border Payments>
+<Decentralized Network Design, connectedTo, Decentralized Finance Protocols>
+<Decentralized Network Design, connectedTo, Governance Models for Blockchains>
+<Digital Identity Management, connectedTo, Governance Models for Blockchains>
+<Distributed Ledger Technology, connectedTo, Blockchain Node Operation>
+<Distributed Ledger Technology, connectedTo, Decentralized Finance Protocols>
+<Distributed Ledger Technology, connectedTo, Digital Identity Management>
+<Distributed Ledger Technology, connectedTo, Non_Fungible Token Creation>
+<Financial Asset Tokenization, connectedTo, Voting Systems on Blockchain>
+<Financial Asset Tokenization, partOf, Financial Asset Tokenization>
+<Governance Models for Blockchains, connectedTo, Identity Verification on Blockchain>
+<Mining Operations, connectedTo, Digital Identity Management>
+<Mining Operations, connectedTo, Financial Asset Tokenization>
+<Non_Fungible Token Creation, connectedTo, Security Auditing for Blockchains>
+<Non_Fungible Token Creation, partOf, Non_Fungible Token Creation>
+<Security Auditing for Blockchains, connectedTo, Zero_Knowledge Proofs>
+<Security Auditing for Blockchains, partOf, Security Auditing for Blockchains>
+<Tokenomics Design, connectedTo, Blockchain Node Operation>
+<Tokenomics Design, connectedTo, Cross_Border Payments>
+<Tokenomics Design, connectedTo, Decentralized Finance Protocols>
+<Tokenomics Design, connectedTo, Decentralized Network Design>
+<Tokenomics Design, connectedTo, Digital Identity Management>
+<Tokenomics Design, connectedTo, Identity Verification on Blockchain>
+<Voting Systems on Blockchain, connectedTo, Distributed Ledger Technology>
+<Voting Systems on Blockchain, partOf, Voting Systems on Blockchain>
+<Zero_Knowledge Proofs, connectedTo, Governance Models for Blockchains>
+<Zero_Knowledge Proofs, partOf, Zero_Knowledge Proofs>
diff --git a/train/graphviz/hard/graphviz_519.txt b/train/graphviz/hard/graphviz_519.txt
new file mode 100644
index 0000000000000000000000000000000000000000..63f1ab242f81dfc3a6ec3598feb05bbc004bf83b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_519.txt
@@ -0,0 +1,32 @@
+<Consortium Blockchain Setup, connectedTo, Cross_Border Payments>
+<Consortium Blockchain Setup, connectedTo, Cross_Chain Bridges>
+<Consortium Blockchain Setup, connectedTo, Enterprise Blockchain Solutions>
+<Consortium Blockchain Setup, connectedTo, Gaming on Blockchain>
+<Consortium Blockchain Setup, connectedTo, Regulatory Compliance for Blockchain>
+<Consortium Blockchain Setup, connectedTo, Scalability Solutions>
+<Consortium Blockchain Setup, connectedTo, Supply Chain Traceability>
+<Consortium Blockchain Setup, develops DApps, Decentralized Network Design>
+<Consortium Blockchain Setup, manages real estate, Regulatory Compliance for Blockchain>
+<Cross_Border Payments, connectedTo, Gaming on Blockchain>
+<Cross_Chain Bridges, connectedTo, Decentralized Finance Protocols>
+<Cross_Chain Bridges, connectedTo, Enterprise Blockchain Solutions>
+<Cryptographic Hashing, connectedTo, Digital Identity Management>
+<Cryptographic Hashing, partOf, Cryptographic Hashing>
+<Decentralized Finance Protocols, connectedTo, Zero_Knowledge Proofs>
+<Decentralized Finance Protocols, partOf, Decentralized Finance Protocols>
+<Decentralized Network Design, connectedTo, Cross_Border Payments>
+<Decentralized Network Design, connectedTo, Supply Chain Traceability>
+<Digital Identity Management, connectedTo, Cross_Chain Bridges>
+<Digital Identity Management, partOf, Digital Identity Management>
+<Enterprise Blockchain Solutions, connectedTo, Decentralized Applications Development>
+<Gaming on Blockchain, connectedTo, Regulatory Compliance for Blockchain>
+<Regulatory Compliance for Blockchain, connectedTo, Cross_Chain Bridges>
+<Regulatory Compliance for Blockchain, connectedTo, Decentralized Applications Development>
+<Regulatory Compliance for Blockchain, connectedTo, Enterprise Blockchain Solutions>
+<Regulatory Compliance for Blockchain, connectedTo, Sharding Implementation>
+<Scalability Solutions, connectedTo, Decentralized Network Design>
+<Sharding Implementation, connectedTo, Cryptographic Hashing>
+<Sharding Implementation, partOf, Sharding Implementation>
+<Supply Chain Traceability, connectedTo, Cross_Border Payments>
+<Zero_Knowledge Proofs, partOf, Zero_Knowledge Proofs>
+<Zero_Knowledge Proofs, processes payments, Enterprise Blockchain Solutions>
diff --git a/train/graphviz/hard/graphviz_52.dot b/train/graphviz/hard/graphviz_52.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9ccffcc0270238ba676249cf47dab1abdac62e07
--- /dev/null
+++ b/train/graphviz/hard/graphviz_52.dot
@@ -0,0 +1,69 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_52.txt b/train/graphviz/hard/graphviz_52.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ff01090cf26365b71bb14007663afce7168bd92
--- /dev/null
+++ b/train/graphviz/hard/graphviz_52.txt
@@ -0,0 +1,36 @@
+<Circuit Breaker Operation, connectedTo, Energy Infrastructure Planning>
+<Circuit Breaker Operation, connectedTo, Load Shedding>
+<Consumption Logging, connectedTo, Grid Modernization>
+<Consumption Logging, upgrades, Demand Forecast>
+<Energy Efficiency Audit, connectedTo, Consumption Logging>
+<Energy Efficiency Audit, connectedTo, Demand Forecast>
+<Energy Efficiency Audit, connectedTo, Nuclear Reactor Control>
+<Energy Efficiency Audit, connectedTo, Power Backup>
+<Energy Infrastructure Planning, secures, Load Shedding>
+<Generator Check, connectedTo, Energy Efficiency Audit>
+<Grid Balancing, connectedTo, Consumption Logging>
+<Grid Balancing, connectedTo, Demand Forecast>
+<Grid Balancing, connectedTo, Generator Check>
+<Grid Modernization, connectedTo, Substation Automation>
+<Grid Modernization, partOf, Grid Modernization>
+<Load Shedding, connectedTo, Grid Balancing>
+<Load Shedding, connectedTo, Power Backup>
+<Nuclear Reactor Control, balances, Power Plant>
+<Nuclear Reactor Control, partOf, Nuclear Reactor Control>
+<Outage Detection, connectedTo, Circuit Breaker Operation>
+<Outage Detection, connectedTo, Consumption Logging>
+<Outage Detection, connectedTo, Energy Infrastructure Planning>
+<Outage Detection, connectedTo, Load Shedding>
+<Outage Detection, connectedTo, Power Backup>
+<Outage Detection, conserves, Energy Efficiency Audit>
+<Pipeline Monitoring, connectedTo, Outage Detection>
+<Power Backup, connectedTo, Consumption Logging>
+<Power Plant, controls, Energy Efficiency Audit>
+<Power Plant, partOf, Power Plant>
+<Solar Panel Installation, connectedTo, Load Shedding>
+<Solar Panel Installation, connectedTo, Pipeline Monitoring>
+<Solar Panel Installation, connectedTo, Power Backup>
+<Substation Automation, connectedTo, Usage Billing>
+<Substation Automation, partOf, Substation Automation>
+<Usage Billing, connectedTo, Pipeline Monitoring>
+<Usage Billing, partOf, Usage Billing>
diff --git a/train/graphviz/hard/graphviz_521.txt b/train/graphviz/hard/graphviz_521.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8767f263b9d9eee1ef261b1616204711d70d74ca
--- /dev/null
+++ b/train/graphviz/hard/graphviz_521.txt
@@ -0,0 +1,40 @@
+<Airdrop Campaigns, connectedTo, Security Audits>
+<Airdrop Campaigns, connectedTo, Wallet Development>
+<Blockchain Explorers, connectedTo, Cross_chain Swaps>
+<Cold Storage Solutions, connectedTo, Airdrop Campaigns>
+<Community Building, audits smart contracts, Portfolio Management>
+<Community Building, connectedTo, Wallet Development>
+<Cross_chain Swaps, connectedTo, Tax Reporting for Crypto>
+<Decentralized Autonomous Organizations, connectedTo, Cold Storage Solutions>
+<Decentralized Autonomous Organizations, connectedTo, Portfolio Management>
+<Decentralized Autonomous Organizations, partOf, Decentralized Autonomous Organizations>
+<Exchange Listing, connectedTo, Fraud Prevention>
+<Fiat On or Off Ramps, connectedTo, Community Building>
+<Fraud Prevention, connectedTo, Interoperability Solutions>
+<GameFi Development, partOf, GameFi Development>
+<GameFi Development, stores keys, Initial Exchange Offering>
+<Initial Exchange Offering, connectedTo, Key Management>
+<Initial Exchange Offering, partOf, Initial Exchange Offering>
+<Interoperability Solutions, connectedTo, Blockchain Explorers>
+<Interoperability Solutions, connectedTo, Mining Algorithm Design>
+<Key Management, connectedTo, Cold Storage Solutions>
+<Market Analysis, connectedTo, Regulatory Compliance>
+<Market Analysis, partOf, Market Analysis>
+<Mining Algorithm Design, connectedTo, Market Analysis>
+<Mining Algorithm Design, partOf, Mining Algorithm Design>
+<NFT Marketplace Development, connectedTo, Key Management>
+<Portfolio Management, connectedTo, Transaction Processing>
+<Portfolio Management, connectedTo, Venture Capital Funding>
+<Regulatory Compliance, connectedTo, Decentralized Autonomous Organizations>
+<Regulatory Compliance, partOf, Regulatory Compliance>
+<Security Audits, connectedTo, Mining Algorithm Design>
+<Security Audits, connectedTo, Staking>
+<Staking, distributes airdrops, Wallet Development>
+<Transaction Processing, connectedTo, Blockchain Explorers>
+<Transaction Processing, connectedTo, Cross_chain Swaps>
+<Transaction Processing, connectedTo, Exchange Listing>
+<Transaction Processing, connectedTo, GameFi Development>
+<Venture Capital Funding, ensures interoperability, Yield Farming>
+<Wallet Development, connectedTo, Transaction Processing>
+<Yield Farming, connectedTo, NFT Marketplace Development>
+<Yield Farming, connectedTo, Transaction Processing>
diff --git a/train/graphviz/hard/graphviz_522.dot b/train/graphviz/hard/graphviz_522.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0598716ad01242f4c6464bcf9f2ab7660b8be975
--- /dev/null
+++ b/train/graphviz/hard/graphviz_522.dot
@@ -0,0 +1,76 @@
+digraph {
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+}
diff --git a/train/graphviz/hard/graphviz_524.dot b/train/graphviz/hard/graphviz_524.dot
new file mode 100644
index 0000000000000000000000000000000000000000..57a90d5037d964e600b9954bb60d35ec6662c362
--- /dev/null
+++ b/train/graphviz/hard/graphviz_524.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=BT
+	N0 [label="Decentralized Exchange Operation" color="#4285F4" fillcolor="#D0E0F8" shape=ellipse style=filled]
+	N1 [label="Cryptocurrency Trading Bots" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N2 [label="Lending and Borrowing Protocols" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N3 [label="Mining Algorithm Design" color="#9575CD" fillcolor="#EDE7F6" shape=octagon style=filled]
+	N4 [label="Tax Reporting for Crypto" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label=Staking color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N6 [label="Yield Farming" color="#9575CD" fillcolor="#EDE7F6" shape=octagon style=filled]
+	N7 [label="Venture Capital Funding" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N8 [label="Market Analysis" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N9 [label="Initial Exchange Offering" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N10 [label="Portfolio Management" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N11 [label="Legal Advisory for Crypto" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N12 [label="Community Building" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N13 [label="Fiat On or Off Ramps" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	S0 [label="" color="#82DAFF" fillcolor="#C8EDFF" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#9575CD" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#9575CD" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4285F4" fillcolor="#D0E0F8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E8F5E9" fontname=Helvetica fontsize=10 label="Coin Creation" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Security Audits" color="#82DAFF" fillcolor="#C8EDFF" shape=folder style=filled]
+		nest0_1 [label="GameFi Development" color="#82DAFF" fillcolor="#C8EDFF" shape=plaintext style=filled]
+		nest0_2 [label="Liquidity Provision" color="#9575CD" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Blockchain Explorers" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Blockchain Integration" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+		nest1_1 [label="Interoperability Solutions" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+		nest1_0 -> nest1_1 [label="explores new chains" color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label="stakes assets" color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> N5 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label="generates yield" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N10 [label="secures funds" color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N12 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N4 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	N7 -> S0 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N10 -> S1 [color="#82DAFF" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N4 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_526.dot b/train/graphviz/hard/graphviz_526.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6998e21171c0dce69ce8098dee639d0aece64315
--- /dev/null
+++ b/train/graphviz/hard/graphviz_526.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=RL
+	N0 [label="Stablecoin Design" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N1 [label="Yield Farming" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N2 [label="Interoperability Solutions" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N3 [label="GameFi Development" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N4 [label="Wallet Development" color="#673AB7" fillcolor="#D1C4E9" shape=folder style=filled]
+	N5 [label="Initial Exchange Offering" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N6 [label="Cross_chain Swaps" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N7 [label="Legal Advisory for Crypto" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N8 [label="Token Generation Event" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N9 [label="Market Analysis" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N10 [label="Regulatory Compliance" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N11 [label="Community Building" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N12 [label="Blockchain Integration" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N13 [label="Custodial Services" color="#673AB7" fillcolor="#D1C4E9" shape=Mdiamond style=filled]
+	N14 [label="Decentralized Autonomous Organizations" color="#673AB7" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N15 [label="Mining Algorithm Design" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	S0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#E91E63" fillcolor="#FCE4EC" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FCE4EC" fontname=Helvetica fontsize=10 label="Venture Capital Funding" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Blockchain Explorers" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+		nest0_1 [label="Decentralized Exchange Operation" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Fiat On or Off Ramps" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Lending and Borrowing Protocols" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+		nest1_1 [label=Staking color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+		nest1_2 [label="Smart Contract Auditing" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+		nest1_0 -> nest1_1 [label="prevents fraud" color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="calculates taxes" color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [label="develops GameFi" color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [label="conducts IEOs" color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#E91E63" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> nest0_0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N13 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N12 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N5 [label="stakes assets" color="#673AB7" dir=forward penwidth=1.5 style=dashed]
+	N9 -> S0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#673AB7" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	M0 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#E91E63" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_526.txt b/train/graphviz/hard/graphviz_526.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ed99b9ff521b3676ddff8d51a5a870d5f954e05b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_526.txt
@@ -0,0 +1,37 @@
+<Blockchain Explorers, connectedTo, Decentralized Exchange Operation>
+<Blockchain Explorers, partOf, Blockchain Explorers>
+<Blockchain Integration, connectedTo, Custodial Services>
+<Blockchain Integration, connectedTo, Lending and Borrowing Protocols>
+<Community Building, conducts IEOs, Blockchain Integration>
+<Cross_chain Swaps, connectedTo, Legal Advisory for Crypto>
+<Custodial Services, connectedTo, Decentralized Autonomous Organizations>
+<Decentralized Autonomous Organizations, connectedTo, Mining Algorithm Design>
+<Decentralized Exchange Operation, connectedTo, Custodial Services>
+<Decentralized Exchange Operation, partOf, Decentralized Exchange Operation>
+<GameFi Development, connectedTo, Wallet Development>
+<Initial Exchange Offering, connectedTo, Blockchain Explorers>
+<Initial Exchange Offering, connectedTo, Cross_chain Swaps>
+<Initial Exchange Offering, connectedTo, Legal Advisory for Crypto>
+<Interoperability Solutions, calculates taxes, GameFi Development>
+<Interoperability Solutions, connectedTo, Community Building>
+<Interoperability Solutions, connectedTo, Legal Advisory for Crypto>
+<Legal Advisory for Crypto, connectedTo, Token Generation Event>
+<Lending and Borrowing Protocols, partOf, Lending and Borrowing Protocols>
+<Lending and Borrowing Protocols, prevents fraud, Staking>
+<Market Analysis, connectedTo, Blockchain Integration>
+<Market Analysis, connectedTo, Custodial Services>
+<Market Analysis, connectedTo, Decentralized Autonomous Organizations>
+<Market Analysis, connectedTo, Mining Algorithm Design>
+<Market Analysis, connectedTo, Regulatory Compliance>
+<Regulatory Compliance, connectedTo, Community Building>
+<Smart Contract Auditing, partOf, Smart Contract Auditing>
+<Smart Contract Auditing, stakes assets, Initial Exchange Offering>
+<Stablecoin Design, connectedTo, Yield Farming>
+<Staking, connectedTo, Smart Contract Auditing>
+<Staking, partOf, Staking>
+<Token Generation Event, connectedTo, Community Building>
+<Token Generation Event, connectedTo, Market Analysis>
+<Wallet Development, develops GameFi, Initial Exchange Offering>
+<Yield Farming, connectedTo, Community Building>
+<Yield Farming, connectedTo, Interoperability Solutions>
+<Yield Farming, connectedTo, Legal Advisory for Crypto>
diff --git a/train/graphviz/hard/graphviz_528.dot b/train/graphviz/hard/graphviz_528.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c92e7ca302d9eaf592c40cee87b0aa4009237e94
--- /dev/null
+++ b/train/graphviz/hard/graphviz_528.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=RL
+	N0 [label="Lending and Borrowing Protocols" color="#3F51B5" fillcolor="#C5CAE9" shape=ellipse style=filled]
+	N1 [label="Custodial Services" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N2 [label="NFT Marketplace Development" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N3 [label=Staking color="#FF8A65" fillcolor="#FBE9E7" shape=plaintext style=filled]
+	N4 [label="Fraud Prevention" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N5 [label="Cross_chain Swaps" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N6 [label="Community Building" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N7 [label="Transaction Processing" color="#94C0C0" fillcolor="#CADEDE" shape=oval style=filled]
+	N8 [label="Exchange Listing" color="#94C0C0" fillcolor="#CADEDE" shape=oval style=filled]
+	N9 [label="Cryptocurrency Education" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N10 [label="Decentralized Exchange Operation" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	S1 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#94C0C0" fillcolor="#CADEDE" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Security Audits" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Cold Storage Solutions" color="#3F51B5" fillcolor="#C5CAE9" shape=octagon style=filled]
+		nest0_1 [label="Tax Reporting for Crypto" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+		nest0_2 [label="KYC or AML Procedures" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="Yield Farming" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Fiat On or Off Ramps" color="#94C0C0" fillcolor="#CADEDE" shape=oval style=filled]
+		nest1_1 [label="Coin Creation" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+		nest1_2 [label="Blockchain Integration" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest1_3 [label="Decentralized Autonomous Organizations" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [label="distributes airdrops" color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
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+	nest0_2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	nest1_3 -> N6 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=solid]
+	N3 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N8 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N5 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_529.txt b/train/graphviz/hard/graphviz_529.txt
new file mode 100644
index 0000000000000000000000000000000000000000..224444cb1ddbb22a6b521f82c7c1c954ba498784
--- /dev/null
+++ b/train/graphviz/hard/graphviz_529.txt
@@ -0,0 +1,43 @@
+<Backer Communication, connectedTo, Community Building>
+<Backer Communication, partOf, Backer Communication>
+<Community Building, connectedTo, Investor Verification>
+<Community Building, partOf, Community Building>
+<Customer Support for Backers, connectedTo, Funding Period Management>
+<Customer Support for Backers, connectedTo, Product Development Lifecycle>
+<Customer Support for Backers, connectedTo, Real Estate Crowdfunding>
+<Customer Support for Backers, manages debt, Equity Crowdfunding>
+<Donation_Based Crowdfunding, connectedTo, Product Development Lifecycle>
+<Due Diligence for Projects, connectedTo, Pitch Deck Preparation>
+<Email List Building, connectedTo, Backer Communication>
+<Email List Building, partOf, Email List Building>
+<Financial Projection Analysis, generates reports, Tax Implications of Crowdfunding>
+<Financial Projection Analysis, partOf, Financial Projection Analysis>
+<Fulfillment Planning, connectedTo, Success Fee Structures>
+<Funding Period Management, connectedTo, Real Estate Crowdfunding>
+<Funding Period Management, develops products, Marketing Strategy>
+<Investor Verification, connectedTo, Platform Selection>
+<Investor Verification, partOf, Investor Verification>
+<Legal Compliance, collects donations, Fulfillment Planning>
+<Legal Compliance, connectedTo, Financial Projection Analysis>
+<Legal Compliance, connectedTo, Platform Selection>
+<Logistics for Rewards, connectedTo, Legal Compliance>
+<Marketing Strategy, connectedTo, Real Estate Crowdfunding>
+<Pitch Deck Preparation, connectedTo, Email List Building>
+<Pitch Deck Preparation, connectedTo, Post_Campaign Reporting>
+<Platform Selection, connectedTo, Securities Regulations Adherence>
+<Post_Campaign Reporting, connectedTo, Fulfillment Planning>
+<Post_Campaign Reporting, connectedTo, Post_Campaign Updates>
+<Post_Campaign Updates, connectedTo, Donation_Based Crowdfunding>
+<Product Development Lifecycle, connectedTo, Fulfillment Planning>
+<Project Vetting, connectedTo, Customer Support for Backers>
+<Project Vetting, connectedTo, Real Estate Crowdfunding>
+<Project Vetting, vets projects, Fulfillment Planning>
+<Real Estate Crowdfunding, connectedTo, Social Media Promotion>
+<Securities Regulations Adherence, connectedTo, Due Diligence for Projects>
+<Social Media Promotion, connectedTo, Fulfillment Planning>
+<Social Media Promotion, connectedTo, Legal Compliance>
+<Social Media Promotion, connectedTo, Logistics for Rewards>
+<Social Media Promotion, connectedTo, Pitch Deck Preparation>
+<Success Fee Structures, connectedTo, Equity Crowdfunding>
+<Tax Implications of Crowdfunding, connectedTo, Post_Campaign Updates>
+<Tax Implications of Crowdfunding, partOf, Tax Implications of Crowdfunding>
diff --git a/train/graphviz/hard/graphviz_53.txt b/train/graphviz/hard/graphviz_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..50c7640ff46c30d55713b96fe2334645ed146fbc
--- /dev/null
+++ b/train/graphviz/hard/graphviz_53.txt
@@ -0,0 +1,41 @@
+<Alert Dispatch, connectedTo, Transformer Station>
+<Alert Dispatch, repairs, Battery Monitoring>
+<Alert Dispatch, upgrades, Nuclear Reactor Control>
+<Battery Monitoring, connectedTo, Transformer Station>
+<Consumption Logging, connectedTo, Grid Balancing>
+<Cybersecurity for Grid, connectedTo, Alert Dispatch>
+<Cybersecurity for Grid, connectedTo, Nuclear Reactor Control>
+<Cybersecurity for Grid, connectedTo, Sensor Reading>
+<Cybersecurity for Grid, consumes, Transformer Station>
+<Demand Forecast, connectedTo, Nuclear Reactor Control>
+<Distributed Generation Management, connectedTo, Outage Detection>
+<Energy Infrastructure Planning, connectedTo, Consumption Logging>
+<Energy Market Analysis, connectedTo, Load Shedding>
+<Energy Market Analysis, partOf, Energy Market Analysis>
+<Geothermal Power, connectedTo, Consumption Logging>
+<Geothermal Power, partOf, Geothermal Power>
+<Grid Balancing, connectedTo, Demand Forecast>
+<Grid Balancing, connectedTo, Nuclear Reactor Control>
+<Grid Modernization, connectedTo, Energy Market Analysis>
+<Grid Modernization, partOf, Grid Modernization>
+<Load Shedding, connectedTo, Substation Automation>
+<Load Shedding, partOf, Load Shedding>
+<Nuclear Reactor Control, connectedTo, Carbon Capture>
+<Outage Detection, connectedTo, Grid Modernization>
+<Outage Detection, connectedTo, Usage Billing>
+<Outage Detection, innovates, Nuclear Reactor Control>
+<Power Backup, connectedTo, Cybersecurity for Grid>
+<Power Backup, connectedTo, Nuclear Reactor Control>
+<Power Backup, connectedTo, Transformer Station>
+<Sensor Reading, connectedTo, Geothermal Power>
+<Sensor Reading, partOf, Sensor Reading>
+<Solar Panel Installation, connectedTo, Carbon Capture>
+<Solar Panel Installation, connectedTo, Consumption Logging>
+<Solar Panel Installation, connectedTo, Energy Infrastructure Planning>
+<Solar Panel Installation, connectedTo, Nuclear Reactor Control>
+<Substation Automation, connectedTo, Distributed Generation Management>
+<Transformer Station, connectedTo, Grid Balancing>
+<Transformer Station, logs, Substation Automation>
+<Transformer Station, secures, Demand Forecast>
+<Usage Billing, connectedTo, Nuclear Reactor Control>
+<Usage Billing, connectedTo, Solar Panel Installation>
diff --git a/train/graphviz/hard/graphviz_530.txt b/train/graphviz/hard/graphviz_530.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3602e5f2e99ca0b51ef0e9ab1dd5485059c3e45
--- /dev/null
+++ b/train/graphviz/hard/graphviz_530.txt
@@ -0,0 +1,34 @@
+<Backer Communication, connectedTo, Funding Period Management>
+<Backer Communication, partOf, Backer Communication>
+<Campaign Creation, connectedTo, Platform Selection>
+<Debt Crowdfunding, connectedTo, Campaign Creation>
+<Debt Crowdfunding, connectedTo, Securities Regulations Adherence>
+<Debt Crowdfunding, connectedTo, Tax Implications of Crowdfunding>
+<Equity Crowdfunding, connectedTo, International Crowdfunding>
+<Equity Crowdfunding, partOf, Equity Crowdfunding>
+<Funding Period Management, connectedTo, Equity Crowdfunding>
+<Funding Period Management, partOf, Funding Period Management>
+<International Crowdfunding, connectedTo, Backer Communication>
+<International Crowdfunding, connectedTo, Payment Processing>
+<Investor Relations, connectedTo, Project Vetting>
+<Investor Relations, partOf, Investor Relations>
+<Logistics for Rewards, connectedTo, Product Development Lifecycle>
+<Manufacturing Planning, connectedTo, Debt Crowdfunding>
+<Manufacturing Planning, connectedTo, Securities Regulations Adherence>
+<Manufacturing Planning, connectedTo, Shareholder Management>
+<Payment Processing, connectedTo, Press Outreach>
+<Platform Selection, connectedTo, International Crowdfunding>
+<Post_Campaign Updates, connectedTo, Legal Compliance>
+<Press Outreach, connectedTo, Investor Relations>
+<Press Outreach, connectedTo, Logistics for Rewards>
+<Press Outreach, connectedTo, Post_Campaign Updates>
+<Press Outreach, connectedTo, Product Development Lifecycle>
+<Press Outreach, connectedTo, Securities Regulations Adherence>
+<Product Development Lifecycle, connectedTo, Tax Implications of Crowdfunding>
+<Project Vetting, connectedTo, Product Development Lifecycle>
+<Project Vetting, partOf, Project Vetting>
+<Reward_Based Crowdfunding, connectedTo, Debt Crowdfunding>
+<Reward_Based Crowdfunding, connectedTo, Manufacturing Planning>
+<Securities Regulations Adherence, connectedTo, Post_Campaign Updates>
+<Shareholder Management, connectedTo, Debt Crowdfunding>
+<Tax Implications of Crowdfunding, connectedTo, Securities Regulations Adherence>
diff --git a/train/graphviz/hard/graphviz_531.txt b/train/graphviz/hard/graphviz_531.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cb7cd9cea06ce4c54d61481f164b740a7118cf59
--- /dev/null
+++ b/train/graphviz/hard/graphviz_531.txt
@@ -0,0 +1,28 @@
+<Campaign Creation, connectedTo, Legal Compliance>
+<Campaign Creation, connectedTo, Reward_Based Crowdfunding>
+<Email List Building, connectedTo, Pitch Deck Preparation>
+<Email List Building, connectedTo, Shareholder Management>
+<Investor Verification, connectedTo, Securities Regulations Adherence>
+<Legal Compliance, connectedTo, Post_Campaign Reporting>
+<Marketing Strategy, connectedTo, Platform Fee Management>
+<Marketing Strategy, partOf, Marketing Strategy>
+<Payment Processing, connectedTo, Campaign Creation>
+<Payment Processing, connectedTo, Legal Compliance>
+<Payment Processing, connectedTo, Post_Campaign Updates>
+<Pitch Deck Preparation, connectedTo, Legal Compliance>
+<Platform Fee Management, connectedTo, Reward_Based Crowdfunding>
+<Platform Fee Management, partOf, Platform Fee Management>
+<Platform Selection, connectedTo, Campaign Creation>
+<Post_Campaign Updates, connectedTo, Campaign Creation>
+<Post_Campaign Updates, connectedTo, Platform Selection>
+<Press Outreach, connectedTo, Email List Building>
+<Press Outreach, partOf, Press Outreach>
+<Reward_Based Crowdfunding, connectedTo, Investor Verification>
+<Reward_Based Crowdfunding, connectedTo, Pitch Deck Preparation>
+<Securities Regulations Adherence, connectedTo, Email List Building>
+<Securities Regulations Adherence, connectedTo, Legal Compliance>
+<Securities Regulations Adherence, connectedTo, Pitch Deck Preparation>
+<Securities Regulations Adherence, connectedTo, Post_Campaign Reporting>
+<Securities Regulations Adherence, designs rewards, Marketing Strategy>
+<Shareholder Management, connectedTo, Press Outreach>
+<Shareholder Management, partOf, Shareholder Management>
diff --git a/train/graphviz/hard/graphviz_533.dot b/train/graphviz/hard/graphviz_533.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4af9f07f7d8b724ee02e8f93e74f608848fd668e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_533.dot
@@ -0,0 +1,76 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_534.dot b/train/graphviz/hard/graphviz_534.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9bf49c062b1659f0fd241bec15e7443e2a8b45b9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_534.dot
@@ -0,0 +1,57 @@
+digraph {
+	rankdir=RL
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diff --git a/train/graphviz/hard/graphviz_534.txt b/train/graphviz/hard/graphviz_534.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39833958f6c958fbb0b6137215e0f0bc784c6897
--- /dev/null
+++ b/train/graphviz/hard/graphviz_534.txt
@@ -0,0 +1,31 @@
+<Community Building, connectedTo, Customer Support for Backers>
+<Community Building, connectedTo, Shareholder Management>
+<Community Building, connectedTo, Success Fee Structures>
+<Customer Support for Backers, connectedTo, Marketing Strategy>
+<Customer Support for Backers, connectedTo, Post_Campaign Reporting>
+<Customer Support for Backers, connectedTo, Post_Campaign Updates>
+<Donation_Based Crowdfunding, partOf, Donation_Based Crowdfunding>
+<Donation_Based Crowdfunding, updates progress, Post_Campaign Reporting>
+<Due Diligence for Projects, connectedTo, International Crowdfunding>
+<Due Diligence for Projects, partOf, Due Diligence for Projects>
+<Equity Crowdfunding, partOf, Equity Crowdfunding>
+<Equity Crowdfunding, vets projects, Donation_Based Crowdfunding>
+<Goal Setting, connectedTo, Video Production for Campaigns>
+<Goal Setting, partOf, Goal Setting>
+<International Crowdfunding, connectedTo, Manufacturing Planning>
+<International Crowdfunding, partOf, International Crowdfunding>
+<Manufacturing Planning, connectedTo, Social Media Promotion>
+<Manufacturing Planning, partOf, Manufacturing Planning>
+<Post_Campaign Reporting, connectedTo, Marketing Strategy>
+<Post_Campaign Updates, connectedTo, Due Diligence for Projects>
+<Post_Campaign Updates, connectedTo, Post_Campaign Reporting>
+<Post_Campaign Updates, connectedTo, Success Fee Structures>
+<Product Development Lifecycle, connectedTo, Customer Support for Backers>
+<Shareholder Management, connectedTo, Post_Campaign Reporting>
+<Shareholder Management, connectedTo, Product Development Lifecycle>
+<Social Media Promotion, connectedTo, Customer Support for Backers>
+<Social Media Promotion, partOf, Social Media Promotion>
+<Success Fee Structures, connectedTo, Goal Setting>
+<Success Fee Structures, connectedTo, Post_Campaign Reporting>
+<Video Production for Campaigns, connectedTo, Equity Crowdfunding>
+<Video Production for Campaigns, partOf, Video Production for Campaigns>
diff --git a/train/graphviz/hard/graphviz_536.dot b/train/graphviz/hard/graphviz_536.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8920c4dffd492ca087f60734ccd133928f3ccdbb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_536.dot
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diff --git a/train/graphviz/hard/graphviz_537.dot b/train/graphviz/hard/graphviz_537.dot
new file mode 100644
index 0000000000000000000000000000000000000000..205706906758853949e15af2e415e96fb654a0d5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_537.dot
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+digraph {
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diff --git a/train/graphviz/hard/graphviz_54.txt b/train/graphviz/hard/graphviz_54.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4cede17789b08fb0f48a98b5563f51dda2bb8fe7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_54.txt
@@ -0,0 +1,47 @@
+<Battery Monitoring, connectedTo, Energy Market Analysis>
+<Carbon Capture, connectedTo, Power Plant>
+<Circuit Breaker Operation, connectedTo, Battery Monitoring>
+<Consumption Logging, connectedTo, Circuit Breaker Operation>
+<Consumption Logging, connectedTo, Demand Forecast>
+<Consumption Logging, connectedTo, Energy Market Analysis>
+<Consumption Logging, connectedTo, Fuel Delivery>
+<Consumption Logging, connectedTo, Pipeline Monitoring>
+<Demand Forecast, connectedTo, Pipeline Monitoring>
+<Distributed Generation Management, connectedTo, Pipeline Monitoring>
+<Distributed Generation Management, partOf, Distributed Generation Management>
+<Energy Efficiency Audit, connectedTo, Energy Market Analysis>
+<Energy Efficiency Audit, connectedTo, Fuel Delivery>
+<Energy Efficiency Audit, connectedTo, Grid Modernization>
+<Energy Efficiency Audit, controls, Demand Forecast>
+<Energy Market Analysis, connectedTo, Load Distribution>
+<Energy Market Analysis, connectedTo, Peak Shaving>
+<Energy Market Analysis, connectedTo, Sensor Reading>
+<Generator Check, connectedTo, Geothermal Power>
+<Generator Check, partOf, Generator Check>
+<Geothermal Power, models, Outage Detection>
+<Geothermal Power, partOf, Geothermal Power>
+<Grid Modernization, connectedTo, Consumption Logging>
+<Load Distribution, connectedTo, Usage Billing>
+<Load Distribution, partOf, Load Distribution>
+<Load Shedding, connectedTo, Energy Efficiency Audit>
+<Load Shedding, connectedTo, Fuel Delivery>
+<Load Shedding, connectedTo, Power Backup>
+<Oil and Gas Exploration, connectedTo, Voltage Regulation>
+<Outage Detection, connectedTo, Regulatory Compliance>
+<Outage Detection, partOf, Outage Detection>
+<Peak Shaving, connectedTo, Demand Forecast>
+<Pipeline Monitoring, connectedTo, Fuel Delivery>
+<Power Backup, connectedTo, Carbon Capture>
+<Power Backup, connectedTo, Energy Efficiency Audit>
+<Power Plant, connectedTo, Energy Efficiency Audit>
+<Power Plant, connectedTo, Solar Panel Installation>
+<Power Purchase, connectedTo, Regulatory Compliance>
+<Power Purchase, distributes, Energy Efficiency Audit>
+<Regulatory Compliance, upgrades, Energy Efficiency Audit>
+<Sensor Reading, connectedTo, Generator Check>
+<Sensor Reading, partOf, Sensor Reading>
+<Solar Panel Installation, connectedTo, Fuel Delivery>
+<Solar Panel Installation, connectedTo, Oil and Gas Exploration>
+<Usage Billing, connectedTo, Distributed Generation Management>
+<Usage Billing, partOf, Usage Billing>
+<Voltage Regulation, connectedTo, Power Purchase>
diff --git a/train/graphviz/hard/graphviz_540.txt b/train/graphviz/hard/graphviz_540.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b5994ba312de80d1e4d773aa6257e01e560879a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_540.txt
@@ -0,0 +1,40 @@
+<AI at the Edge, connectedTo, Data Analysis in Cloud>
+<AI at the Edge, connectedTo, Predictive Maintenance>
+<AI at the Edge, connectedTo, Wearable Technology>
+<AI at the Edge, streams data, Data Processing at Edge>
+<API Development for IoT, connectedTo, Blockchain for IoT Security>
+<Blockchain for IoT Security, connectedTo, Data Processing at Edge>
+<Connectivity Management, implements edge computing, Security Implementation>
+<Connectivity Management, partOf, Connectivity Management>
+<Data Analysis in Cloud, connectedTo, Data Processing at Edge>
+<Data Analysis in Cloud, connectedTo, Wearable Technology>
+<Data Processing at Edge, builds smart cities, Device Management>
+<Device Management, connectedTo, Energy Management Systems>
+<Device Management, connectedTo, Real_time Data Streaming>
+<Device Prototyping, connectedTo, Edge Computing for IoT>
+<Device Prototyping, partOf, Device Prototyping>
+<Edge Computing for IoT, connectedTo, Predictive Maintenance>
+<Edge Computing for IoT, partOf, Edge Computing for IoT>
+<Energy Management Systems, connectedTo, Compliance with IoT Regulations>
+<Healthcare IoT Devices, connectedTo, Blockchain for IoT Security>
+<Healthcare IoT Devices, connectedTo, Device Management>
+<Healthcare IoT Devices, connectedTo, Energy Management Systems>
+<Healthcare IoT Devices, connectedTo, Security Implementation>
+<Healthcare IoT Devices, connectedTo, Smart Home Devices>
+<Industrial IoT, connectedTo, Interoperability Standards>
+<Interoperability Standards, connectedTo, Data Processing at Edge>
+<Interoperability Standards, connectedTo, Predictive Maintenance>
+<IoT Device Certification, connectedTo, Industrial IoT>
+<Predictive Maintenance, connectedTo, Device Prototyping>
+<Predictive Maintenance, connectedTo, Security Implementation>
+<Predictive Maintenance, uses blockchain, Blockchain for IoT Security>
+<Real_time Data Streaming, connectedTo, Retail IoT>
+<Real_time Data Streaming, partOf, Real_time Data Streaming>
+<Retail IoT, connectedTo, Smart Manufacturing>
+<Retail IoT, partOf, Retail IoT>
+<Security Implementation, connectedTo, API Development for IoT>
+<Smart Home Devices, connectedTo, AI at the Edge>
+<Smart Home Devices, connectedTo, Wearable Technology>
+<Smart Manufacturing, connectedTo, Connectivity Management>
+<Smart Manufacturing, partOf, Smart Manufacturing>
+<Wearable Technology, connectedTo, IoT Device Certification>
diff --git a/train/graphviz/hard/graphviz_544.txt b/train/graphviz/hard/graphviz_544.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f596f22803ce3a3cfc9598f065e9e3010f3307e1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_544.txt
@@ -0,0 +1,43 @@
+<AI at the Edge, connectedTo, Retail IoT>
+<Blockchain for IoT Security, connectedTo, Healthcare IoT Devices>
+<Blockchain for IoT Security, connectedTo, Over_the_Air Updates>
+<Blockchain for IoT Security, connectedTo, Security Implementation>
+<Blockchain for IoT Security, manages energy grids, Retail IoT>
+<Cloud Platform Integration, connectedTo, AI at the Edge>
+<Cloud Platform Integration, connectedTo, Blockchain for IoT Security>
+<Cloud Platform Integration, connectedTo, Environmental Monitoring>
+<Cloud Platform Integration, connectedTo, Healthcare IoT Devices>
+<Cloud Platform Integration, connectedTo, Retail IoT>
+<Cloud Platform Integration, connectedTo, Security Implementation>
+<Connected Vehicles, connectedTo, Network Protocol Selection>
+<Connected Vehicles, partOf, Connected Vehicles>
+<Connectivity Management, connectedTo, Data Processing at Edge>
+<Connectivity Management, connectedTo, Device Prototyping>
+<Data Collection, connectedTo, Blockchain for IoT Security>
+<Data Collection, connectedTo, Retail IoT>
+<Data Processing at Edge, connectedTo, Real_time Data Streaming>
+<Data Processing at Edge, connectedTo, Transportation IoT>
+<Device Prototyping, connectedTo, Connected Vehicles>
+<Device Prototyping, partOf, Device Prototyping>
+<Energy Management Systems, uses protocols, AI at the Edge>
+<Environmental Monitoring, connectedTo, Blockchain for IoT Security>
+<Environmental Monitoring, connectedTo, Data Collection>
+<Environmental Monitoring, enables wearables, Data Processing at Edge>
+<Firmware Updates, connectedTo, Blockchain for IoT Security>
+<Firmware Updates, connectedTo, Data Processing at Edge>
+<Firmware Updates, ensures privacy, Cloud Platform Integration>
+<Healthcare IoT Devices, connectedTo, Data Processing at Edge>
+<Healthcare IoT Devices, connectedTo, Network Protocol Selection>
+<Network Protocol Selection, connectedTo, Energy Management Systems>
+<Over_the_Air Updates, connectedTo, Sensor Integration>
+<Power Management for Devices, manages power, Connectivity Management>
+<Power Management for Devices, partOf, Power Management for Devices>
+<Real_time Data Streaming, connectedTo, Security Implementation>
+<Retail IoT, connectedTo, Connectivity Management>
+<Security Implementation, processes streams, Over_the_Air Updates>
+<Supply Chain Optimization, connectedTo, User Interface for IoT Apps>
+<Supply Chain Optimization, partOf, Supply Chain Optimization>
+<Transportation IoT, connectedTo, Supply Chain Optimization>
+<Transportation IoT, partOf, Transportation IoT>
+<User Interface for IoT Apps, connectedTo, Power Management for Devices>
+<User Interface for IoT Apps, partOf, User Interface for IoT Apps>
diff --git a/train/graphviz/hard/graphviz_546.txt b/train/graphviz/hard/graphviz_546.txt
new file mode 100644
index 0000000000000000000000000000000000000000..63faf4384bb0c7b45a5ff385799e6b060a852ea9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_546.txt
@@ -0,0 +1,39 @@
+<Compliance and Governance at Edge, connectedTo, Connectivity to Cloud>
+<Compliance and Governance at Edge, connectedTo, Smart City Edge Solutions>
+<Connectivity to Cloud, connectedTo, Remote Device Management>
+<Data Synchronization between Edge and Cloud, connectedTo, Edge Device Deployment>
+<Distributed Data Storage, connectedTo, Data Filtering at Edge>
+<Distributed Data Storage, connectedTo, Edge Device Deployment>
+<Distributed Data Storage, connectedTo, Edge Gateway Management>
+<Edge AI Model Deployment, connectedTo, Edge Data Processing>
+<Edge AI Model Deployment, partOf, Edge AI Model Deployment>
+<Edge Application Development, connectedTo, Edge Security Analytics>
+<Edge Application Development, partOf, Edge Application Development>
+<Edge Computing Hardware Selection, connectedTo, Connectivity to Cloud>
+<Edge Computing Hardware Selection, connectedTo, Data Filtering at Edge>
+<Edge Computing Hardware Selection, connectedTo, Edge Application Development>
+<Edge Computing Hardware Selection, connectedTo, Network Optimization for Edge>
+<Edge Computing Hardware Selection, connectedTo, Remote Device Management>
+<Edge Data Processing, connectedTo, Remote Device Management>
+<Edge Data Processing, partOf, Edge Data Processing>
+<Edge Device Analytics, distributes workloads, Data Filtering at Edge>
+<Edge Device Deployment, connectedTo, Edge Computing Hardware Selection>
+<Edge Gateway Management, connectedTo, Data Filtering at Edge>
+<Edge Gateway Management, connectedTo, Data Synchronization between Edge and Cloud>
+<Edge Gateway Management, connectedTo, Edge Device Deployment>
+<Edge Security Analytics, connectedTo, Edge AI Model Deployment>
+<Edge Security Analytics, partOf, Edge Security Analytics>
+<Latency Reduction, connectedTo, Resource Management at Edge>
+<Latency Reduction, partOf, Latency Reduction>
+<Network Optimization for Edge, connectedTo, Compliance and Governance at Edge>
+<Network Optimization for Edge, connectedTo, Connectivity to Cloud>
+<Network Optimization for Edge, connectedTo, Data Filtering at Edge>
+<Network Optimization for Edge, connectedTo, Edge Device Analytics>
+<Network Optimization for Edge, connectedTo, Remote Device Management>
+<Remote Device Management, connectedTo, Edge Device Analytics>
+<Resource Management at Edge, connectedTo, Network Optimization for Edge>
+<Resource Management at Edge, partOf, Resource Management at Edge>
+<Retail Edge Computing, connectedTo, Latency Reduction>
+<Retail Edge Computing, partOf, Retail Edge Computing>
+<Smart City Edge Solutions, connectedTo, Retail Edge Computing>
+<Smart City Edge Solutions, partOf, Smart City Edge Solutions>
diff --git a/train/graphviz/hard/graphviz_547.dot b/train/graphviz/hard/graphviz_547.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f91eb5f2ba7ba0476e3d75beaeb1c2d38761ee5b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_547.dot
@@ -0,0 +1,68 @@
+digraph {
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+	N4 [label="Network Optimization for Edge" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
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+	N8 [label="Orchestration of Edge Workloads" color="#E0E0E0" fillcolor="#EBEBEB" shape=oval style=filled]
+	N9 [label="Retail Edge Computing" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
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+	N12 [label="Data Filtering at Edge" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N13 [label="Local AI or ML Inference" color="#E0E0E0" fillcolor="#EBEBEB" shape=folder style=filled]
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+	subgraph cluster_Group0 {
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+		nest0_1 [label="Telecom Edge Computing" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+		nest0_2 [label="Edge Computing Hardware Selection" color="#795548" fillcolor="#D7CCC8" shape=Mdiamond style=filled]
+		nest0_3 [label="Power Consumption Optimization" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest0_2 -> nest0_3 [label="deploys analytics" color="#795548" dir=forward penwidth=1.5 style=dashed]
+	}
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+		nest1_0 [label="Edge Network Topology Design" color="#DCE775" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+		nest1_1 [label="Smart City Edge Solutions" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [label="reduces latency" color="#795548" dir=forward penwidth=1.5 style=dashed]
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+	N1 -> N2 [label="aggregates data" color="#795548" dir=forward penwidth=1.5 style=dashed]
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+	N8 -> N9 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [label="manages microservices" color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	nest0_3 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N8 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N6 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [label="stores data temporarily" color="#795548" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N3 -> S1 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [label="orchestrates containers" color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_547.txt b/train/graphviz/hard/graphviz_547.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a78763fe8f730d5f638370ccac6e55e2b2abdd3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_547.txt
@@ -0,0 +1,36 @@
+<Compliance and Governance at Edge, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Data Filtering at Edge, connectedTo, Local AI or ML Inference>
+<Data Synchronization between Edge and Cloud, connectedTo, Telecom Edge Computing>
+<Data Synchronization between Edge and Cloud, partOf, Data Synchronization between Edge and Cloud>
+<Edge API Management, aggregates data, Security for Edge Devices>
+<Edge API Management, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Edge Computing Hardware Selection, deploys analytics, Power Consumption Optimization>
+<Edge Computing Hardware Selection, partOf, Edge Computing Hardware Selection>
+<Edge Device Provisioning, manages microservices, Remote Device Management>
+<Edge Network Topology Design, partOf, Edge Network Topology Design>
+<Edge Network Topology Design, reduces latency, Smart City Edge Solutions>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Edge Device Provisioning>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Orchestration of Edge Workloads>
+<Edge_to_Cloud Data Transfer Optimization, stores data temporarily, Edge Device Deployment>
+<Industrial Edge Computing, connectedTo, Compliance and Governance at Edge>
+<Industrial Edge Computing, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Local AI or ML Inference, connectedTo, Edge Device Deployment>
+<Microservices on Edge Devices, connectedTo, Compliance and Governance at Edge>
+<Microservices on Edge Devices, connectedTo, Edge Device Provisioning>
+<Microservices on Edge Devices, connectedTo, Network Optimization for Edge>
+<Microservices on Edge Devices, orchestrates containers, Remote Device Management>
+<Network Optimization for Edge, connectedTo, Data Synchronization between Edge and Cloud>
+<Network Optimization for Edge, connectedTo, Industrial Edge Computing>
+<Orchestration of Edge Workloads, connectedTo, Edge Network Topology Design>
+<Orchestration of Edge Workloads, connectedTo, Retail Edge Computing>
+<Power Consumption Optimization, connectedTo, Industrial Edge Computing>
+<Power Consumption Optimization, partOf, Power Consumption Optimization>
+<Real_time Analytics at Edge, connectedTo, Edge API Management>
+<Remote Device Management, connectedTo, Data Filtering at Edge>
+<Retail Edge Computing, connectedTo, Edge Device Provisioning>
+<Security for Edge Devices, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Security for Edge Devices, connectedTo, Microservices on Edge Devices>
+<Smart City Edge Solutions, connectedTo, Compliance and Governance at Edge>
+<Smart City Edge Solutions, partOf, Smart City Edge Solutions>
+<Telecom Edge Computing, connectedTo, Edge Computing Hardware Selection>
+<Telecom Edge Computing, partOf, Telecom Edge Computing>
diff --git a/train/graphviz/hard/graphviz_548.txt b/train/graphviz/hard/graphviz_548.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d05e0e21a7b66192cf2c96a434418677229cb8d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_548.txt
@@ -0,0 +1,43 @@
+<Compliance and Governance at Edge, connectedTo, Edge Gateway Management>
+<Compliance and Governance at Edge, connectedTo, Resource Management at Edge>
+<Data Filtering at Edge, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Data Filtering at Edge, partOf, Data Filtering at Edge>
+<Data Synchronization between Edge and Cloud, connectedTo, Edge Device Analytics>
+<Data Synchronization between Edge and Cloud, partOf, Data Synchronization between Edge and Cloud>
+<Edge AI Model Deployment, connectedTo, Fault Tolerance at Edge>
+<Edge AI Model Deployment, connectedTo, Resource Management at Edge>
+<Edge Device Analytics, connectedTo, Power Consumption Optimization>
+<Edge Device Analytics, partOf, Edge Device Analytics>
+<Edge Device Deployment, connectedTo, Data Synchronization between Edge and Cloud>
+<Edge Device Deployment, connectedTo, Edge Security Analytics>
+<Edge Device Provisioning, connectedTo, Edge Device Deployment>
+<Edge Gateway Management, connectedTo, Remote Device Management>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Virtualization at Edge>
+<Edge_to_Cloud Data Transfer Optimization, partOf, Edge_to_Cloud Data Transfer Optimization>
+<Fault Tolerance at Edge, connectedTo, Latency Reduction>
+<Healthcare Edge Computing, connectedTo, Retail Edge Computing>
+<Healthcare Edge Computing, partOf, Healthcare Edge Computing>
+<Industrial Edge Computing, connectedTo, Edge Device Provisioning>
+<Latency Reduction, connectedTo, Compliance and Governance at Edge>
+<Latency Reduction, connectedTo, Edge Security Analytics>
+<Latency Reduction, connectedTo, Remote Device Management>
+<Latency Reduction, connectedTo, Resource Management at Edge>
+<Latency Reduction, manages devices, Industrial Edge Computing>
+<Orchestration of Edge Workloads, connectedTo, Edge Device Provisioning>
+<Orchestration of Edge Workloads, connectedTo, Industrial Edge Computing>
+<Orchestration of Edge Workloads, manages power consumption, Data Filtering at Edge>
+<Power Consumption Optimization, connectedTo, Healthcare Edge Computing>
+<Power Consumption Optimization, partOf, Power Consumption Optimization>
+<Real_time Analytics at Edge, connectedTo, Edge Device Provisioning>
+<Real_time Analytics at Edge, connectedTo, Sensor Data Aggregation>
+<Remote Device Management, connectedTo, Retail Edge Computing>
+<Resource Management at Edge, connectedTo, Edge Device Provisioning>
+<Resource Management at Edge, connectedTo, Industrial Edge Computing>
+<Resource Management at Edge, connectedTo, Real_time Analytics at Edge>
+<Resource Management at Edge, connectedTo, Sensor Data Aggregation>
+<Retail Edge Computing, connectedTo, Resource Management at Edge>
+<Sensor Data Aggregation, connectedTo, Orchestration of Edge Workloads>
+<Telecom Edge Computing, connectedTo, Edge Gateway Management>
+<Telecom Edge Computing, partOf, Telecom Edge Computing>
+<Virtualization at Edge, connectedTo, Telecom Edge Computing>
+<Virtualization at Edge, partOf, Virtualization at Edge>
diff --git a/train/graphviz/hard/graphviz_550.txt b/train/graphviz/hard/graphviz_550.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42fee5682ca87a479044496c150daeee82a1f83a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_550.txt
@@ -0,0 +1,48 @@
+<Bandwidth Optimization, connectedTo, Containerization at Edge>
+<Data Filtering at Edge, connectedTo, Security for Edge Devices>
+<Data Synchronization between Edge and Cloud, connectedTo, Bandwidth Optimization>
+<Data Synchronization between Edge and Cloud, partOf, Data Synchronization between Edge and Cloud>
+<Distributed Data Storage, connectedTo, Containerization at Edge>
+<Distributed Data Storage, connectedTo, Edge Device Provisioning>
+<Distributed Data Storage, connectedTo, Fleet Management for Edge Devices>
+<Distributed Data Storage, connectedTo, Power Consumption Optimization>
+<Distributed Data Storage, connectedTo, Retail Edge Computing>
+<Edge AI Model Deployment, connectedTo, Industrial Edge Computing>
+<Edge AI Model Deployment, partOf, Edge AI Model Deployment>
+<Edge Computing Hardware Selection, connectedTo, Edge Data Processing>
+<Edge Computing Hardware Selection, partOf, Edge Computing Hardware Selection>
+<Edge Data Processing, connectedTo, Bandwidth Optimization>
+<Edge Data Processing, connectedTo, Virtualization at Edge>
+<Edge Device Analytics, connectedTo, Bandwidth Optimization>
+<Edge Device Analytics, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Edge Device Analytics, connectedTo, Power Consumption Optimization>
+<Edge Device Analytics, connectedTo, Retail Edge Computing>
+<Edge Device Analytics, connectedTo, Security for Edge Devices>
+<Edge Device Analytics, connectedTo, Smart City Edge Solutions>
+<Edge Device Provisioning, connectedTo, Network Optimization for Edge>
+<Edge Security Analytics, connectedTo, Edge AI Model Deployment>
+<Edge Security Analytics, partOf, Edge Security Analytics>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Data Filtering at Edge>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Security for Edge Devices>
+<Fleet Management for Edge Devices, connectedTo, Containerization at Edge>
+<Fleet Management for Edge Devices, connectedTo, Microservices on Edge Devices>
+<Fleet Management for Edge Devices, connectedTo, Virtualization at Edge>
+<Industrial Edge Computing, connectedTo, Data Synchronization between Edge and Cloud>
+<Industrial Edge Computing, partOf, Industrial Edge Computing>
+<Microservices on Edge Devices, connectedTo, Bandwidth Optimization>
+<Microservices on Edge Devices, connectedTo, Edge Data Processing>
+<Network Optimization for Edge, connectedTo, Bandwidth Optimization>
+<Network Optimization for Edge, connectedTo, Fleet Management for Edge Devices>
+<Offline Functionality, connectedTo, Edge Computing Hardware Selection>
+<Offline Functionality, partOf, Offline Functionality>
+<Power Consumption Optimization, connectedTo, Edge Device Provisioning>
+<Power Consumption Optimization, connectedTo, Retail Edge Computing>
+<Retail Edge Computing, connectedTo, Edge Device Provisioning>
+<Retail Edge Computing, connectedTo, Smart City Edge Solutions>
+<Security for Edge Devices, connectedTo, Distributed Data Storage>
+<Security for Edge Devices, connectedTo, Edge Device Provisioning>
+<Smart City Edge Solutions, connectedTo, Bandwidth Optimization>
+<Smart City Edge Solutions, connectedTo, Edge Device Provisioning>
+<Smart City Edge Solutions, connectedTo, Edge Security Analytics>
+<Smart City Edge Solutions, connectedTo, Offline Functionality>
+<Virtualization at Edge, connectedTo, Bandwidth Optimization>
diff --git a/train/graphviz/hard/graphviz_551.txt b/train/graphviz/hard/graphviz_551.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42ddbd03ae66e99ccf61f5d92582844298862388
--- /dev/null
+++ b/train/graphviz/hard/graphviz_551.txt
@@ -0,0 +1,37 @@
+<Bandwidth Optimization, connectedTo, Offline Functionality>
+<Compliance and Governance at Edge, connectedTo, Edge Network Topology Design>
+<Compliance and Governance at Edge, connectedTo, Network Optimization for Edge>
+<Compliance and Governance at Edge, connectedTo, Power Consumption Optimization>
+<Containerization at Edge, connectedTo, Smart City Edge Solutions>
+<Data Synchronization between Edge and Cloud, connectedTo, Bandwidth Optimization>
+<Distributed Data Storage, connectedTo, Edge AI Model Deployment>
+<Distributed Data Storage, partOf, Distributed Data Storage>
+<Edge AI Model Deployment, connectedTo, Industrial Edge Computing>
+<Edge AI Model Deployment, partOf, Edge AI Model Deployment>
+<Edge Data Processing, connectedTo, Compliance and Governance at Edge>
+<Edge Data Processing, synchronizes data, Edge Gateway Management>
+<Edge Device Deployment, connectedTo, Bandwidth Optimization>
+<Edge Device Deployment, connectedTo, Data Synchronization between Edge and Cloud>
+<Edge Device Deployment, connectedTo, Fault Tolerance at Edge>
+<Edge Device Deployment, connectedTo, Offline Functionality>
+<Edge Gateway Management, connectedTo, Power Consumption Optimization>
+<Edge Network Topology Design, connectedTo, Remote Device Management>
+<Edge Network Topology Design, performs real_time analytics, Edge Gateway Management>
+<Fault Tolerance at Edge, connectedTo, Data Synchronization between Edge and Cloud>
+<Fault Tolerance at Edge, connectedTo, Fleet Management for Edge Devices>
+<Fleet Management for Edge Devices, connectedTo, Telecom Edge Computing>
+<Fleet Management for Edge Devices, partOf, Fleet Management for Edge Devices>
+<Industrial Edge Computing, connectedTo, Smart City Edge Solutions>
+<Industrial Edge Computing, partOf, Industrial Edge Computing>
+<Network Optimization for Edge, connectedTo, Edge Network Topology Design>
+<Power Consumption Optimization, connectedTo, Containerization at Edge>
+<Power Consumption Optimization, designs architectures, Distributed Data Storage>
+<Remote Device Management, connectedTo, Edge Gateway Management>
+<Retail Edge Computing, connectedTo, Edge Data Processing>
+<Retail Edge Computing, connectedTo, Edge Gateway Management>
+<Sensor Data Aggregation, connectedTo, Retail Edge Computing>
+<Smart City Edge Solutions, manages distributed systems, Edge Device Deployment>
+<Telecom Edge Computing, connectedTo, Containerization at Edge>
+<Telecom Edge Computing, partOf, Telecom Edge Computing>
+<Virtualization at Edge, connectedTo, Power Consumption Optimization>
+<Virtualization at Edge, connectedTo, Sensor Data Aggregation>
diff --git a/train/graphviz/hard/graphviz_552.dot b/train/graphviz/hard/graphviz_552.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f975fb96e44aaabadcaf5920ebcf93f83414d313
--- /dev/null
+++ b/train/graphviz/hard/graphviz_552.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=RL
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+	N7 [label="Connectivity to Cloud" color="#BDBDBD" fillcolor="#F5F5F5" shape=Mdiamond style=filled]
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+		nest1_1 [label="Event_Driven Architectures at Edge" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [label="selects hardware" color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
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+	nest0_2 -> N7 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N11 -> nest1_0 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N1 [label="secures data" color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
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+	M1 -> N6 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_553.txt b/train/graphviz/hard/graphviz_553.txt
new file mode 100644
index 0000000000000000000000000000000000000000..850c1f3a6da0c00ffb927989e5caafcb148d913e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_553.txt
@@ -0,0 +1,32 @@
+<Big Data Services in Cloud, connectedTo, Cloud Audit Trails>
+<Big Data Services in Cloud, partOf, Big Data Services in Cloud>
+<CI or CD Pipelines in Cloud, connectedTo, Cloud Monitoring and Logging>
+<CI or CD Pipelines in Cloud, connectedTo, Multi_Cloud Management>
+<Cloud Architecture Design, connectedTo, Machine Learning as a Service>
+<Cloud Audit Trails, connectedTo, Serverless Computing>
+<Cloud Audit Trails, manages IAMs, Multi_Cloud Management>
+<Cloud Audit Trails, partOf, Cloud Audit Trails>
+<Cloud Automation, connectedTo, Cloud Architecture Design>
+<Cloud Automation, connectedTo, Multi_Cloud Management>
+<Cloud Automation, connectedTo, Serverless Computing>
+<Cloud Governance, connectedTo, Compliance in Cloud>
+<Cloud Governance, partOf, Cloud Governance>
+<Cloud Marketplace Integration, connectedTo, Software as a Service>
+<Cloud Monitoring and Logging, connectedTo, Cost Optimization in Cloud>
+<Cloud Monitoring and Logging, connectedTo, Multi_Cloud Management>
+<Cloud Monitoring and Logging, connectedTo, Serverless Computing>
+<Cloud Monitoring and Logging, migrates workloads, Cloud Automation>
+<Cloud_based VPN Setup, connectedTo, Cloud Governance>
+<Cloud_based VPN Setup, partOf, Cloud_based VPN Setup>
+<Compliance in Cloud, connectedTo, Platform as a Service>
+<Compliance in Cloud, partOf, Compliance in Cloud>
+<Cost Optimization in Cloud, connectedTo, Big Data Services in Cloud>
+<Cost Optimization in Cloud, partOf, Cost Optimization in Cloud>
+<Machine Learning as a Service, connectedTo, Cloud_based VPN Setup>
+<Machine Learning as a Service, connectedTo, Serverless Computing>
+<Multi_Cloud Management, connectedTo, Cloud Architecture Design>
+<Platform as a Service, connectedTo, Cloud Monitoring and Logging>
+<Platform as a Service, partOf, Platform as a Service>
+<Public Cloud Management, connectedTo, CI or CD Pipelines in Cloud>
+<Public Cloud Management, orchestrates Kubernetes, Serverless Computing>
+<Serverless Computing, connectedTo, Cloud Marketplace Integration>
diff --git a/train/graphviz/hard/graphviz_554.txt b/train/graphviz/hard/graphviz_554.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fcc2195acc0876769c7e2092cd34bae90ffc1fb5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_554.txt
@@ -0,0 +1,37 @@
+<API Management in Cloud, connectedTo, Cloud Architecture Design>
+<API Management in Cloud, connectedTo, Compliance in Cloud>
+<API Management in Cloud, connectedTo, DevOps on Cloud>
+<API Management in Cloud, connectedTo, Platform as a Service>
+<Cloud Architecture Design, connectedTo, Platform as a Service>
+<Cloud Audit Trails, connectedTo, Database as a Service>
+<Cloud Audit Trails, partOf, Cloud Audit Trails>
+<Cloud Marketplace Integration, connectedTo, Multi_Cloud Management>
+<Cloud Marketplace Integration, partOf, Cloud Marketplace Integration>
+<Cloud Monitoring and Logging, connectedTo, Cost Optimization in Cloud>
+<Cloud Monitoring and Logging, connectedTo, DevOps on Cloud>
+<Cloud Native Application Development, connectedTo, Cloud Monitoring and Logging>
+<Cloud Native Application Development, connectedTo, DevOps on Cloud>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Infrastructure as a Service>
+<Cloud Vendor Lock_in Mitigation, partOf, Cloud Vendor Lock_in Mitigation>
+<Compliance in Cloud, connectedTo, DevOps on Cloud>
+<Cost Optimization in Cloud, connectedTo, API Management in Cloud>
+<Cost Optimization in Cloud, connectedTo, Cloud Vendor Lock_in Mitigation>
+<Database as a Service, connectedTo, Load Balancing in Cloud>
+<Database as a Service, partOf, Database as a Service>
+<DevOps on Cloud, connectedTo, Private Cloud Management>
+<Hybrid Cloud Deployment, connectedTo, Cloud Monitoring and Logging>
+<Hybrid Cloud Deployment, connectedTo, Cloud Native Application Development>
+<Hybrid Cloud Deployment, connectedTo, Compliance in Cloud>
+<Hybrid Cloud Deployment, connectedTo, DevOps on Cloud>
+<Hybrid Cloud Deployment, connectedTo, Software as a Service>
+<Infrastructure as a Service, optimizes costs, Cloud Marketplace Integration>
+<Infrastructure as a Service, partOf, Infrastructure as a Service>
+<Load Balancing in Cloud, connectedTo, Private Cloud Management>
+<Load Balancing in Cloud, partOf, Load Balancing in Cloud>
+<Machine Learning as a Service, connectedTo, Cloud Architecture Design>
+<Multi_Cloud Management, connectedTo, DevOps on Cloud>
+<Multi_Cloud Management, partOf, Multi_Cloud Management>
+<Private Cloud Management, connectedTo, Machine Learning as a Service>
+<Public Cloud Management, connectedTo, Hybrid Cloud Deployment>
+<Software as a Service, connectedTo, Cloud Audit Trails>
+<Software as a Service, partOf, Software as a Service>
diff --git a/train/graphviz/hard/graphviz_555.dot b/train/graphviz/hard/graphviz_555.dot
new file mode 100644
index 0000000000000000000000000000000000000000..71d7f789ac88136068ae09b34763fd648bfa84de
--- /dev/null
+++ b/train/graphviz/hard/graphviz_555.dot
@@ -0,0 +1,64 @@
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diff --git a/train/graphviz/hard/graphviz_556.txt b/train/graphviz/hard/graphviz_556.txt
new file mode 100644
index 0000000000000000000000000000000000000000..007b61b9bc237fe42639f8e21704c9d8401bd4ee
--- /dev/null
+++ b/train/graphviz/hard/graphviz_556.txt
@@ -0,0 +1,39 @@
+<API Management in Cloud, connectedTo, Cloud Native Application Development>
+<Auto_Scaling Configurations, connectedTo, Cloud_based VPN Setup>
+<Auto_Scaling Configurations, partOf, Auto_Scaling Configurations>
+<CI or CD Pipelines in Cloud, implements DR, Cloud Governance>
+<Cloud Architecture Design, automates CI or CD, Cloud Native Application Development>
+<Cloud Architecture Design, connectedTo, API Management in Cloud>
+<Cloud Architecture Design, connectedTo, Cloud Audit Trails>
+<Cloud Architecture Design, connectedTo, Cloud Monitoring and Logging>
+<Cloud Architecture Design, connectedTo, Cloud Native Application Development>
+<Cloud Architecture Design, processes big data, Database as a Service>
+<Cloud Automation, connectedTo, Cloud Marketplace Integration>
+<Cloud Automation, connectedTo, Container Orchestration>
+<Cloud Automation, connectedTo, Load Balancing in Cloud>
+<Cloud Backup Solutions, connectedTo, Cloud Automation>
+<Cloud FinOps, connectedTo, Cloud Vendor Lock_in Mitigation>
+<Cloud Governance, connectedTo, Cloud Architecture Design>
+<Cloud Marketplace Integration, connectedTo, Cloud Security>
+<Cloud Monitoring and Logging, connectedTo, Compliance in Cloud>
+<Cloud Native Application Development, connectedTo, Cloud Audit Trails>
+<Cloud Security, connectedTo, Infrastructure as a Service>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Network Configuration in Cloud>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Serverless Computing>
+<Cloud_based VPN Setup, connectedTo, Container Orchestration>
+<Cloud_based VPN Setup, partOf, Cloud_based VPN Setup>
+<Compliance in Cloud, configures networks, API Management in Cloud>
+<Compliance in Cloud, connectedTo, Auto_Scaling Configurations>
+<Container Orchestration, connectedTo, Cloud Governance>
+<Container Orchestration, connectedTo, Platform as a Service>
+<Data Storage in Cloud, connectedTo, Infrastructure as a Service>
+<Data Storage in Cloud, partOf, Data Storage in Cloud>
+<Database as a Service, connectedTo, Cloud Monitoring and Logging>
+<Infrastructure as a Service, connectedTo, Cloud FinOps>
+<Infrastructure as a Service, connectedTo, Cloud Governance>
+<Load Balancing in Cloud, connectedTo, CI or CD Pipelines in Cloud>
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+<Network Configuration in Cloud, connectedTo, Multi_Cloud Management>
+<Platform as a Service, connectedTo, Cloud Marketplace Integration>
+<Serverless Computing, connectedTo, Data Storage in Cloud>
+<Serverless Computing, partOf, Serverless Computing>
diff --git a/train/graphviz/hard/graphviz_557.dot b/train/graphviz/hard/graphviz_557.dot
new file mode 100644
index 0000000000000000000000000000000000000000..709ffe83c37714a0eb659aba98d31afde8baa007
--- /dev/null
+++ b/train/graphviz/hard/graphviz_557.dot
@@ -0,0 +1,81 @@
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+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> M0 [color="#FFF176" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label="builds hybrid clouds" color="#000000" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_558.txt b/train/graphviz/hard/graphviz_558.txt
new file mode 100644
index 0000000000000000000000000000000000000000..11658706f8ec0d8c01e0d6eee1305af68fd015a3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_558.txt
@@ -0,0 +1,34 @@
+<Big Data Services in Cloud, connectedTo, Software as a Service>
+<Big Data Services in Cloud, partOf, Big Data Services in Cloud>
+<Cloud Governance, connectedTo, DevOps on Cloud>
+<Cloud Governance, connectedTo, Multi_Cloud Management>
+<Cloud Migration Strategy, connectedTo, Disaster Recovery in Cloud>
+<Cloud Monitoring and Logging, connectedTo, Container Orchestration>
+<Cloud Security, connectedTo, Cloud Migration Strategy>
+<Container Orchestration, connectedTo, Cost Optimization in Cloud>
+<Container Orchestration, connectedTo, Multi_Cloud Management>
+<Cost Optimization in Cloud, connectedTo, Cloud Governance>
+<Cost Optimization in Cloud, connectedTo, Multi_Cloud Management>
+<Cost Optimization in Cloud, connectedTo, Virtual Machine Management>
+<Database as a Service, connectedTo, Network Configuration in Cloud>
+<Database as a Service, partOf, Database as a Service>
+<DevOps on Cloud, connectedTo, Cloud Migration Strategy>
+<DevOps on Cloud, connectedTo, Cloud Security>
+<DevOps on Cloud, connectedTo, Database as a Service>
+<DevOps on Cloud, connectedTo, Disaster Recovery in Cloud>
+<DevOps on Cloud, connectedTo, Multi_Cloud Management>
+<Disaster Recovery in Cloud, connectedTo, Resource Tagging for Cost Allocation>
+<Identity and Access Management, connectedTo, Cloud Security>
+<Identity and Access Management, partOf, Identity and Access Management>
+<Machine Learning as a Service, connectedTo, Identity and Access Management>
+<Machine Learning as a Service, partOf, Machine Learning as a Service>
+<Multi_Cloud Management, automates CI or CD, Resource Tagging for Cost Allocation>
+<Multi_Cloud Management, connectedTo, Cloud Migration Strategy>
+<Multi_Cloud Management, connectedTo, Cloud Security>
+<Multi_Cloud Management, connectedTo, Disaster Recovery in Cloud>
+<Network Configuration in Cloud, connectedTo, Big Data Services in Cloud>
+<Network Configuration in Cloud, partOf, Network Configuration in Cloud>
+<Software as a Service, connectedTo, Resource Tagging for Cost Allocation>
+<Software as a Service, partOf, Software as a Service>
+<Virtual Machine Management, connectedTo, Machine Learning as a Service>
+<Virtual Machine Management, partOf, Virtual Machine Management>
diff --git a/train/graphviz/hard/graphviz_56.txt b/train/graphviz/hard/graphviz_56.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc9c055803d8ecd006461a264561d22a75778415
--- /dev/null
+++ b/train/graphviz/hard/graphviz_56.txt
@@ -0,0 +1,37 @@
+<Alert Dispatch, manages, Consumption Logging>
+<Battery Monitoring, connectedTo, Alert Dispatch>
+<Battery Monitoring, connectedTo, Consumption Logging>
+<Battery Monitoring, connectedTo, Energy Storage>
+<Battery Monitoring, connectedTo, Power Backup>
+<Carbon Capture, connectedTo, Alert Dispatch>
+<Carbon Capture, connectedTo, Battery Monitoring>
+<Circuit Breaker Operation, connectedTo, Renewable Integration>
+<Circuit Breaker Operation, partOf, Circuit Breaker Operation>
+<Consumption Logging, connectedTo, Power Backup>
+<Cybersecurity for Grid, connectedTo, Circuit Breaker Operation>
+<Cybersecurity for Grid, partOf, Cybersecurity for Grid>
+<Energy Storage, connectedTo, Alert Dispatch>
+<Energy Trading, connectedTo, Carbon Capture>
+<Energy Trading, connectedTo, Consumption Logging>
+<Energy Trading, connectedTo, Cybersecurity for Grid>
+<Energy Trading, connectedTo, Energy Storage>
+<Energy Trading, connectedTo, Power Backup>
+<Geothermal Power, connectedTo, Nuclear Reactor Control>
+<Grid Balancing, connectedTo, Smart Metering>
+<Load Distribution, connectedTo, Alert Dispatch>
+<Load Distribution, connectedTo, Grid Balancing>
+<Load Shedding, connectedTo, Grid Balancing>
+<Load Shedding, connectedTo, Load Distribution>
+<Nuclear Reactor Control, connectedTo, Regulatory Compliance>
+<Outage Detection, connectedTo, Sensor Reading>
+<Outage Detection, partOf, Outage Detection>
+<Peak Shaving, connectedTo, Power Backup>
+<Peak Shaving, partOf, Peak Shaving>
+<Regulatory Compliance, connectedTo, Grid Balancing>
+<Regulatory Compliance, connectedTo, Outage Detection>
+<Regulatory Compliance, connectedTo, Renewable Integration>
+<Renewable Integration, connectedTo, Voltage Regulation>
+<Sensor Reading, partOf, Sensor Reading>
+<Sensor Reading, regulates, Peak Shaving>
+<Smart Metering, connectedTo, Energy Trading>
+<Voltage Regulation, connectedTo, Load Shedding>
diff --git a/train/graphviz/hard/graphviz_563.txt b/train/graphviz/hard/graphviz_563.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b2255897441c12976cf303f1ceff4532459a8e8e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_563.txt
@@ -0,0 +1,38 @@
+<Access Control Systems, installs racks, Backup and Recovery Systems>
+<Access Control Systems, partOf, Access Control Systems>
+<Antivirus and Endpoint Protection, administers databases, Network Performance Tuning>
+<Antivirus and Endpoint Protection, connectedTo, Hardware Procurement>
+<Antivirus and Endpoint Protection, connectedTo, System Administration>
+<Antivirus and Endpoint Protection, connectedTo, Virtualization>
+<Backup and Recovery Systems, connectedTo, Network Performance Tuning>
+<Backup and Recovery Systems, partOf, Backup and Recovery Systems>
+<Cloud Integration with On_premise, connectedTo, DNS Management>
+<Directory Services, implements disaster recovery, Access Control Systems>
+<Directory Services, partOf, Directory Services>
+<Group Policy Management, designs networks, Network Design>
+<Group Policy Management, partOf, Group Policy Management>
+<Hardware Procurement, connectedTo, Cloud Integration with On_premise>
+<Hardware Procurement, connectedTo, IT Asset Management>
+<Hardware Procurement, connectedTo, Virtualization>
+<Hardware Procurement, connectedTo, Web Server Configuration>
+<Hardware Procurement, lays cables, User Account Management>
+<IT Asset Management, connectedTo, Cloud Integration with On_premise>
+<Mail Server Management, connectedTo, Hardware Procurement>
+<Mail Server Management, connectedTo, Network Security>
+<Network Design, connectedTo, Remote Access Solutions>
+<Network Design, partOf, Network Design>
+<Network Performance Tuning, connectedTo, Server Deployment>
+<Network Security, connectedTo, Antivirus and Endpoint Protection>
+<Network Security, connectedTo, Hardware Procurement>
+<Remote Access Solutions, connectedTo, IT Asset Management>
+<Remote Access Solutions, partOf, Remote Access Solutions>
+<Server Deployment, connectedTo, Hardware Procurement>
+<System Administration, connectedTo, Cloud Integration with On_premise>
+<System Administration, connectedTo, DNS Management>
+<System Administration, connectedTo, IT Asset Management>
+<System Administration, connectedTo, User Account Management>
+<User Account Management, connectedTo, IT Asset Management>
+<Virtualization, connectedTo, Group Policy Management>
+<Virtualization, connectedTo, System Administration>
+<Web Server Configuration, connectedTo, Directory Services>
+<Web Server Configuration, partOf, Web Server Configuration>
diff --git a/train/graphviz/hard/graphviz_568.txt b/train/graphviz/hard/graphviz_568.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c0e13ad6ffec596415674cef00669fce461c8b95
--- /dev/null
+++ b/train/graphviz/hard/graphviz_568.txt
@@ -0,0 +1,41 @@
+<Antivirus and Endpoint Protection, connectedTo, Firewall Management>
+<Antivirus and Endpoint Protection, connectedTo, Troubleshooting and Support>
+<Automation Scripting, connectedTo, Directory Services>
+<Backup and Recovery Systems, connectedTo, Mail Server Management>
+<Backup and Recovery Systems, partOf, Backup and Recovery Systems>
+<DNS Management, connectedTo, Hardware Maintenance>
+<DNS Management, connectedTo, Network Design>
+<Directory Services, connectedTo, Environmental Monitoring>
+<Disaster Recovery Planning, connectedTo, Firewall Management>
+<Firewall Management, connectedTo, Hardware Maintenance>
+<Group Policy Management, connectedTo, DNS Management>
+<Hardware Maintenance, configures firewalls, Load Balancer Setup>
+<IT Asset Management, connectedTo, Disaster Recovery Planning>
+<Load Balancer Setup, connectedTo, Proxy Server Configuration>
+<Mail Server Management, connectedTo, Network Design>
+<Mail Server Management, partOf, Mail Server Management>
+<Monitoring and Alerting, connectedTo, Network Security>
+<Monitoring and Alerting, partOf, Monitoring and Alerting>
+<Network Design, connectedTo, Firewall Management>
+<Network Design, connectedTo, Rack and Cabinet Management>
+<Network Design, connectedTo, Server Deployment>
+<Network Performance Tuning, connectedTo, Proxy Server Configuration>
+<Network Performance Tuning, partOf, Network Performance Tuning>
+<Network Security, connectedTo, Network Performance Tuning>
+<Network Security, partOf, Network Security>
+<Patch Management, connectedTo, System Administration>
+<Power and Cooling Management, connectedTo, Patch Management>
+<Proxy Server Configuration, connectedTo, Power and Cooling Management>
+<Rack and Cabinet Management, partOf, Rack and Cabinet Management>
+<Rack and Cabinet Management, sets up VPNs, Monitoring and Alerting>
+<Server Deployment, connectedTo, Antivirus and Endpoint Protection>
+<Server Deployment, connectedTo, Directory Services>
+<Server Deployment, connectedTo, Firewall Management>
+<Server Deployment, connectedTo, Hardware Maintenance>
+<Server Deployment, connectedTo, Troubleshooting and Support>
+<System Administration, connectedTo, Automation Scripting>
+<System Administration, connectedTo, Directory Services>
+<System Administration, connectedTo, Environmental Monitoring>
+<Troubleshooting and Support, connectedTo, Backup and Recovery Systems>
+<Troubleshooting and Support, connectedTo, Hardware Maintenance>
+<Troubleshooting and Support, connectedTo, IT Asset Management>
diff --git a/train/graphviz/hard/graphviz_57.dot b/train/graphviz/hard/graphviz_57.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d31aedbed558cf4df1aed1a14d1717a7808bd28d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_57.dot
@@ -0,0 +1,76 @@
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diff --git a/train/graphviz/hard/graphviz_570.dot b/train/graphviz/hard/graphviz_570.dot
new file mode 100644
index 0000000000000000000000000000000000000000..de964b920edaf7531d08148b9ff1b93ce38c8b24
--- /dev/null
+++ b/train/graphviz/hard/graphviz_570.dot
@@ -0,0 +1,68 @@
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diff --git a/train/graphviz/hard/graphviz_570.txt b/train/graphviz/hard/graphviz_570.txt
new file mode 100644
index 0000000000000000000000000000000000000000..345e0d729aa6bfcf9eaf0f0816e89a1b4a2123eb
--- /dev/null
+++ b/train/graphviz/hard/graphviz_570.txt
@@ -0,0 +1,36 @@
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diff --git a/train/graphviz/hard/graphviz_571.dot b/train/graphviz/hard/graphviz_571.dot
new file mode 100644
index 0000000000000000000000000000000000000000..07f47ac2f62d0eaccbea3568faf5c4d3c46f8a9b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_571.dot
@@ -0,0 +1,69 @@
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+		nest0_1 [label="Microservices Architecture" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_2 [label="Automated Testing" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+		nest1_3 [label="Security in DevOps" color="#7E57C2" fillcolor="#D1C4E9" shape=folder style=filled]
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+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N15 -> N16 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	N12 -> nest0_0 [color="#7986CB" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N7 [label="implements SRE" color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N10 -> nest1_0 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N8 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_572.txt b/train/graphviz/hard/graphviz_572.txt
new file mode 100644
index 0000000000000000000000000000000000000000..94834be7bf526ab2bdfc1bf4de4a7341efc4eb82
--- /dev/null
+++ b/train/graphviz/hard/graphviz_572.txt
@@ -0,0 +1,29 @@
+<Alerting and Incident Response, connectedTo, Feature Flags>
+<Alerting and Incident Response, connectedTo, Rollback Strategies>
+<Automated Testing, connectedTo, Container Orchestration>
+<Automated Testing, connectedTo, Rollback Strategies>
+<Canary Releases, connectedTo, Rollback Strategies>
+<ChatOps, connectedTo, Continuous Delivery>
+<Cloud Native Development, gathers feedback, Container Orchestration>
+<Cloud Native Development, partOf, Cloud Native Development>
+<Container Orchestration, connectedTo, Canary Releases>
+<Container Orchestration, connectedTo, Pipeline Automation>
+<Continuous Delivery, connectedTo, Post_Mortem Analysis>
+<Environment Management, connectedTo, Alerting and Incident Response>
+<Feature Flags, connectedTo, Automated Testing>
+<Feature Flags, connectedTo, Canary Releases>
+<Feature Flags, connectedTo, Container Orchestration>
+<Feature Flags, connectedTo, Containerization>
+<Feature Flags, connectedTo, Infrastructure Provisioning>
+<Feature Flags, connectedTo, Rollback Strategies>
+<Infrastructure Provisioning, connectedTo, Infrastructure as Code>
+<Infrastructure Provisioning, partOf, Infrastructure Provisioning>
+<Infrastructure as Code, connectedTo, Post_Mortem Analysis>
+<Infrastructure as Code, partOf, Infrastructure as Code>
+<Pipeline Automation, connectedTo, Cloud Native Development>
+<Pipeline Automation, partOf, Pipeline Automation>
+<Post_Mortem Analysis, connectedTo, Feature Flags>
+<Post_Mortem Analysis, connectedTo, Serverless Deployment>
+<Rollback Strategies, connectedTo, Containerization>
+<Serverless Deployment, connectedTo, Environment Management>
+<Serverless Deployment, connectedTo, Feature Flags>
diff --git a/train/graphviz/hard/graphviz_574.txt b/train/graphviz/hard/graphviz_574.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2cf1c9928f9b25cbf40405c5aad5ec03c69d4721
--- /dev/null
+++ b/train/graphviz/hard/graphviz_574.txt
@@ -0,0 +1,30 @@
+<Automated Rollbacks, connectedTo, Automated Testing>
+<Automated Testing, connectedTo, Infrastructure as Code>
+<Automated Testing, connectedTo, Site Reliability Engineering Principles>
+<Code Quality Checks, connectedTo, Feature Flags>
+<Code Quality Checks, partOf, Code Quality Checks>
+<Configuration Management, connectedTo, Dynamic Application Security Testing>
+<Configuration Management, connectedTo, Infrastructure Provisioning>
+<Configuration Management, connectedTo, Infrastructure as Code>
+<Cost Optimization in Cloud DevOps, connectedTo, Serverless Deployment>
+<Cost Optimization in Cloud DevOps, partOf, Cost Optimization in Cloud DevOps>
+<Dynamic Application Security Testing, connectedTo, Cost Optimization in Cloud DevOps>
+<Dynamic Application Security Testing, enables ChatOps, Infrastructure Provisioning>
+<Feature Flags, connectedTo, Automated Testing>
+<Feature Flags, partOf, Feature Flags>
+<Immutable Infrastructure, connectedTo, Code Quality Checks>
+<Immutable Infrastructure, partOf, Immutable Infrastructure>
+<Infrastructure as Code, connectedTo, Dynamic Application Security Testing>
+<Microservices Architecture, automates operations, Immutable Infrastructure>
+<Microservices Architecture, connectedTo, Dynamic Application Security Testing>
+<Microservices Architecture, connectedTo, Infrastructure Provisioning>
+<Microservices Architecture, connectedTo, Infrastructure as Code>
+<Microservices Architecture, integrates security, Configuration Management>
+<Observability Implementation, connectedTo, Infrastructure as Code>
+<Observability Implementation, connectedTo, Microservices Architecture>
+<Serverless Deployment, connectedTo, Version Control>
+<Serverless Deployment, partOf, Serverless Deployment>
+<Site Reliability Engineering Principles, connectedTo, Infrastructure as Code>
+<Site Reliability Engineering Principles, connectedTo, Observability Implementation>
+<Version Control, connectedTo, Dynamic Application Security Testing>
+<Version Control, partOf, Version Control>
diff --git a/train/graphviz/hard/graphviz_576.dot b/train/graphviz/hard/graphviz_576.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e426c97c5fddd72dff0abcc3c20ccbfffeb6c465
--- /dev/null
+++ b/train/graphviz/hard/graphviz_576.dot
@@ -0,0 +1,68 @@
+digraph {
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+		nest1_3 [label="Automated Rollbacks" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
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+	N8 -> N9 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label="uses GitOps" color="#6EB76D" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_577.txt b/train/graphviz/hard/graphviz_577.txt
new file mode 100644
index 0000000000000000000000000000000000000000..58c7fd8792ab04bd915bc3046149f7321fbbf652
--- /dev/null
+++ b/train/graphviz/hard/graphviz_577.txt
@@ -0,0 +1,40 @@
+<API Development, connectedTo, Security Hardening>
+<API Development, connectedTo, Web Application Development>
+<Architecture Planning, connectedTo, Embedded Systems Development>
+<Architecture Planning, partOf, Architecture Planning>
+<Bug Fixing, connectedTo, API Development>
+<Bug Fixing, connectedTo, Code Review>
+<Bug Fixing, connectedTo, Integration Testing>
+<Bug Fixing, connectedTo, User Interface Design>
+<Bug Fixing, connectedTo, Web Application Development>
+<Code Review, connectedTo, API Development>
+<Code Review, connectedTo, Operating System Development>
+<Compiler Design, connectedTo, User Experience Design>
+<Containerization, connectedTo, Architecture Planning>
+<Containerization, partOf, Containerization>
+<Database Design, partOf, Database Design>
+<Database Design, uses agile methodologies, Documentation>
+<Documentation, connectedTo, Code Review>
+<Documentation, partOf, Documentation>
+<Embedded Systems Development, connectedTo, Maintenance>
+<Embedded Systems Development, partOf, Embedded Systems Development>
+<Frontend Development, connectedTo, Bug Fixing>
+<Frontend Development, connectedTo, Compiler Design>
+<Frontend Development, connectedTo, Performance Optimization>
+<Integration Testing, connectedTo, Code Review>
+<Maintenance, connectedTo, Operating System Development>
+<Maintenance, connectedTo, System Testing>
+<Microservices Architecture, connectedTo, Frontend Development>
+<Performance Optimization, connectedTo, Maintenance>
+<Performance Optimization, connectedTo, User Experience Design>
+<Performance Optimization, connectedTo, Web Application Development>
+<Security Hardening, connectedTo, Containerization>
+<Security Hardening, partOf, Security Hardening>
+<System Testing, connectedTo, Compiler Design>
+<System Testing, connectedTo, User Experience Design>
+<Testing Frameworks, connectedTo, Microservices Architecture>
+<User Experience Design, connectedTo, Bug Fixing>
+<User Experience Design, connectedTo, Web Application Development>
+<User Interface Design, connectedTo, Database Design>
+<User Interface Design, partOf, User Interface Design>
+<Web Application Development, connectedTo, Operating System Development>
diff --git a/train/graphviz/hard/graphviz_579.dot b/train/graphviz/hard/graphviz_579.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3af5b0cd84c05293e3bff264026be79c5628e315
--- /dev/null
+++ b/train/graphviz/hard/graphviz_579.dot
@@ -0,0 +1,74 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_58.txt b/train/graphviz/hard/graphviz_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..023ebd44e6d751e15c16ee7e4ca4806e560da431
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diff --git a/train/graphviz/hard/graphviz_582.txt b/train/graphviz/hard/graphviz_582.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa887855bce2b692fadbead1d9be68f998121b54
--- /dev/null
+++ b/train/graphviz/hard/graphviz_582.txt
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diff --git a/train/graphviz/hard/graphviz_586.txt b/train/graphviz/hard/graphviz_586.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e3a2541ce7ade96b5f64ff2d17d24d687f4613e2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_586.txt
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_59.dot b/train/graphviz/hard/graphviz_59.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5fb9cc3b0449281b57bf8e3db2481800881e07b9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_59.dot
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diff --git a/train/graphviz/hard/graphviz_591.dot b/train/graphviz/hard/graphviz_591.dot
new file mode 100644
index 0000000000000000000000000000000000000000..64d06f095500ff5c95d332230c2a9f6e37048c2a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_591.dot
@@ -0,0 +1,77 @@
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diff --git a/train/graphviz/hard/graphviz_591.txt b/train/graphviz/hard/graphviz_591.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6193faa53286ffc3316edb038f3033b874f5c346
--- /dev/null
+++ b/train/graphviz/hard/graphviz_591.txt
@@ -0,0 +1,40 @@
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+<Mechanical Design Integration, connectedTo, FPGA Design>
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+<Mixed_Signal Design, connectedTo, Regulatory Compliance>
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+<PCB Layout, connectedTo, ASIC Design>
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+<Test Fixture Design, connectedTo, FPGA Design>
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+<Thermal Management, connectedTo, Material Selection>
+<Troubleshooting and Debugging, connectedTo, Cable Management>
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diff --git a/train/graphviz/hard/graphviz_592.dot b/train/graphviz/hard/graphviz_592.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5c24d4f9ae2afc80b69a6ae1ced52b5a488dc486
--- /dev/null
+++ b/train/graphviz/hard/graphviz_592.dot
@@ -0,0 +1,64 @@
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+	N3 -> M0 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	M0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#FFCC80" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#FBC02D" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_596.dot b/train/graphviz/hard/graphviz_596.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3a05bed2c29eb205f1ad60075c7585650e40b95c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_596.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=TD
+	N0 [label="Security Implementation" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N1 [label="Crash Reporting" color="#A2D0FF" fillcolor="#E8F0FF" shape=folder style=filled]
+	N2 [label="Backend Integration" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N3 [label="Payment Gateway Integration" color="#AED581" fillcolor="#F0F4C3" shape=box style=filled]
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+	N5 [label="Database Design for Mobile" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
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+	N11 [label="Real_time Communication Features" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N12 [label="Biometric Authentication" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+	N13 [label="Native App Development" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N14 [label="Chat Functionality" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N15 [label="User Experience Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
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+		nest0_2 -> nest0_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="Widget Development" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+		nest1_1 [label="Wearable Device Integration" color="#A2D0FF" fillcolor="#E8F0FF" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
+	}
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+	N4 -> N5 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label="manages databases" color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [label="implements deep links" color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
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+	S0 -> N15 [label="gathers feedback" color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S2 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
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+	S2 -> N15 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#A2D0FF" dir=forward penwidth=1.5 style=solid]
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+	M0 -> N3 [color="#AED581" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M1 [color="#A1D7CD" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#A2D0FF" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_599.txt b/train/graphviz/hard/graphviz_599.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26713e845fcd42edc7f6ae7c4e6d482de5629630
--- /dev/null
+++ b/train/graphviz/hard/graphviz_599.txt
@@ -0,0 +1,41 @@
+<AR or VR Features in Mobile, connectedTo, Backend Integration>
+<AR or VR Features in Mobile, connectedTo, Crash Reporting>
+<AR or VR Features in Mobile, connectedTo, Security Implementation>
+<AR or VR Features in Mobile, connectedTo, Updates and Maintenance>
+<Accessibility Features, connectedTo, AR or VR Features in Mobile>
+<Accessibility Features, connectedTo, App Store Optimization>
+<Accessibility Features, connectedTo, Crash Reporting>
+<Accessibility Features, connectedTo, Geolocation Services>
+<Accessibility Features, designs onboarding, Backend Integration>
+<Ad Monetization, connectedTo, Offline Mode Development>
+<Ad Monetization, partOf, Ad Monetization>
+<Analytics Tracking, connectedTo, User Onboarding Flows>
+<App Store Optimization, connectedTo, AR or VR Features in Mobile>
+<Camera Integration, connectedTo, Ad Monetization>
+<Camera Integration, connectedTo, User Interface Design>
+<Camera Integration, connectedTo, Widget Development>
+<Cloud Backend for Mobile, connectedTo, Analytics Tracking>
+<Concept Development, connectedTo, Accessibility Features>
+<Concept Development, connectedTo, Crash Reporting>
+<Concept Development, connectedTo, User Interface Design>
+<Concept Development, manages subscriptions, Microphone Integration>
+<Crash Reporting, manages databases, Backend Integration>
+<Database Design for Mobile, connectedTo, Cloud Backend for Mobile>
+<Database Design for Mobile, connectedTo, Crash Reporting>
+<Geolocation Services, connectedTo, Crash Reporting>
+<Geolocation Services, connectedTo, User Interface Design>
+<Microphone Integration, connectedTo, Native App Development>
+<Microphone Integration, partOf, Microphone Integration>
+<Native App Development, partOf, Native App Development>
+<Native App Development, processes payments, Concept Development>
+<Offline Mode Development, connectedTo, Crash Reporting>
+<Offline Mode Development, partOf, Offline Mode Development>
+<Prototyping, connectedTo, Database Design for Mobile>
+<Real_time Communication Features, connectedTo, Prototyping>
+<Security Implementation, connectedTo, Crash Reporting>
+<Updates and Maintenance, connectedTo, Security Implementation>
+<User Interface Design, connectedTo, App Store Optimization>
+<User Onboarding Flows, builds backends, Camera Integration>
+<User Onboarding Flows, concepts ideas, Crash Reporting>
+<Widget Development, connectedTo, Concept Development>
+<Widget Development, connectedTo, User Interface Design>
diff --git a/train/graphviz/hard/graphviz_6.dot b/train/graphviz/hard/graphviz_6.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8e1480bfe079218332bcadf4841366974b71ede9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_6.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=LR
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+	N1 [label="Financial Reporting" color="#DCE775" fillcolor="#FCFCE7" shape=Mdiamond style=filled]
+	N2 [label="Interest Calculation" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N3 [label="Transaction Logging" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N4 [label="IPO Launch" color="#4FC3F7" fillcolor="#E1F5FE" shape=Mdiamond style=filled]
+	N5 [label="Treasury Management" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+	N6 [label="AML Screening" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N7 [label="Venture Capital Funding" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N8 [label="Loan Processing" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N9 [label="Approval Decision" color="#DCE775" fillcolor="#FCFCE7" shape=Mdiamond style=filled]
+	N10 [label="Collateral Evaluation" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
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+		nest0_0 [label="Risk Assessment" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+		nest0_1 [label="Financial Advisory" color="#4FC3F7" fillcolor="#E1F5FE" shape=diamond style=filled]
+		nest0_2 [label="Merger and Acquisition" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
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+		nest1_3 [label="Tax Preparation" color="#4FC3F7" fillcolor="#E1F5FE" shape=octagon style=filled]
+		nest1_0 -> nest1_1 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
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+	nest1_3 -> N1 [color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [label=verifies color="#FF8A65" dir=forward penwidth=1.5 style=solid]
+	M0 -> N9 [color="#FF8A65" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
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+	N1 -> M2 [color="#4FC3F7" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_60.txt b/train/graphviz/hard/graphviz_60.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6ac1b8e45db6aee1e606dbc36c0cca272901c8b1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_60.txt
@@ -0,0 +1,48 @@
+<Appeal Submission, connectedTo, Case Filing>
+<Appeal Submission, connectedTo, Cross_Examination>
+<Appeal Submission, connectedTo, Enforcement>
+<Appeal Submission, connectedTo, Judgment Writing>
+<Appeal Submission, connectedTo, Jury Selection>
+<Appeal Submission, connectedTo, Trial Session>
+<Bankruptcy Filing, connectedTo, Cross_Examination>
+<Bankruptcy Filing, connectedTo, Verdict Announcement>
+<Bankruptcy Filing, defends, Trial Session>
+<Bankruptcy Filing, files, Jury Selection>
+<Bankruptcy Filing, monitors, Sentencing>
+<Case Filing, connectedTo, Judgment Writing>
+<Case Filing, connectedTo, Trial Session>
+<Child Custody, connectedTo, Copyright Infringement>
+<Child Custody, partOf, Child Custody>
+<Copyright Infringement, connectedTo, Appeal Submission>
+<Copyright Infringement, partOf, Copyright Infringement>
+<Cross_Examination, connectedTo, Sentencing>
+<Cross_Examination, connectedTo, Trial Session>
+<Divorce Proceedings, connectedTo, Plea Bargain>
+<Divorce Proceedings, partOf, Divorce Proceedings>
+<Document Drafting, connectedTo, Enforcement>
+<Enforcement, connectedTo, Trial Session>
+<Evidence Collection, connectedTo, Child Custody>
+<Evidence Collection, partOf, Evidence Collection>
+<Immigration Petition, connectedTo, Trademark Registration>
+<Judgment Writing, connectedTo, Bankruptcy Filing>
+<Judgment Writing, connectedTo, Trial Session>
+<Jury Selection, connectedTo, Verdict Announcement>
+<Legal Aid Assistance, connectedTo, Divorce Proceedings>
+<Legal Aid Assistance, partOf, Legal Aid Assistance>
+<Patent Application, connectedTo, Immigration Petition>
+<Plea Bargain, connectedTo, Witness Testimony>
+<Plea Bargain, partOf, Plea Bargain>
+<Pro Bono Work, connectedTo, Appeal Submission>
+<Pro Bono Work, connectedTo, Bankruptcy Filing>
+<Pro Bono Work, connectedTo, Cross_Examination>
+<Pro Bono Work, connectedTo, Document Drafting>
+<Pro Bono Work, connectedTo, Enforcement>
+<Pro Bono Work, connectedTo, Immigration Petition>
+<Sentencing, connectedTo, Patent Application>
+<Trademark Registration, connectedTo, Document Drafting>
+<Trademark Registration, connectedTo, Legal Aid Assistance>
+<Trial Session, connectedTo, Bail Hearing>
+<Trial Session, connectedTo, Evidence Collection>
+<Verdict Announcement, submits, Cross_Examination>
+<Witness Testimony, connectedTo, Sentencing>
+<Witness Testimony, partOf, Witness Testimony>
diff --git a/train/graphviz/hard/graphviz_600.dot b/train/graphviz/hard/graphviz_600.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f194899fdc09efe395b84f7a7e977b1bcdcd4490
--- /dev/null
+++ b/train/graphviz/hard/graphviz_600.dot
@@ -0,0 +1,79 @@
+digraph {
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+	N1 [label="Offline Mode Development" color="#7986CB" fillcolor="#E8EAF6" shape=plaintext style=filled]
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+	N7 [label="Gamification Elements" color="#FFE69C" fillcolor="#FFF9D4" shape=octagon style=filled]
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+	N11 [label="Widget Development" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N12 [label="Analytics Tracking" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N13 [label="User Experience Design" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N14 [label="Ad Monetization" color="#7986CB" fillcolor="#E8EAF6" shape=Mdiamond style=filled]
+	N15 [label="Crash Reporting" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
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diff --git a/train/graphviz/hard/graphviz_602.dot b/train/graphviz/hard/graphviz_602.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0adb540e29f9445945de7bb52f3c2850cd277881
--- /dev/null
+++ b/train/graphviz/hard/graphviz_602.dot
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diff --git a/train/graphviz/hard/graphviz_602.txt b/train/graphviz/hard/graphviz_602.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c44ec007bf37eb803c775ec2c87d1566f1cbc917
--- /dev/null
+++ b/train/graphviz/hard/graphviz_602.txt
@@ -0,0 +1,38 @@
+<Campaign Management, connectedTo, User_Generated Content Curation>
+<Campaign Management, partOf, Campaign Management>
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+<Customer Service on Social Media, connectedTo, Personal Branding on Social Media>
+<Customer Service on Social Media, develops brand voice, Emerging Platform Exploration>
+<Emerging Platform Exploration, connectedTo, Follower Growth Monitoring>
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+<Follower Growth Monitoring, connectedTo, Social Selling>
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+<Group Management, connectedTo, Reach and Impressions Tracking>
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+<Polls and Quizzes Creation, connectedTo, Partnership Management on Social>
+<Polls and Quizzes Creation, partOf, Polls and Quizzes Creation>
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diff --git a/train/graphviz/hard/graphviz_605.dot b/train/graphviz/hard/graphviz_605.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ad0ffeb33d550be06c5a5000adb21897f17146ca
--- /dev/null
+++ b/train/graphviz/hard/graphviz_605.dot
@@ -0,0 +1,60 @@
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diff --git a/train/graphviz/hard/graphviz_605.txt b/train/graphviz/hard/graphviz_605.txt
new file mode 100644
index 0000000000000000000000000000000000000000..18375f6550225f3fb11f80bc1a12a1a6d1590c28
--- /dev/null
+++ b/train/graphviz/hard/graphviz_605.txt
@@ -0,0 +1,32 @@
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diff --git a/train/graphviz/hard/graphviz_606.dot b/train/graphviz/hard/graphviz_606.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5a971e8214f276bd0bcce7d074873d9655213177
--- /dev/null
+++ b/train/graphviz/hard/graphviz_606.dot
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+		nest1_2 [label="Platform Algorithm Understanding" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	}
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+	N4 -> N5 [label="grows followers" color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
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+	N10 -> N11 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	nest0_2 -> N10 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest1_0 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N11 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#4285F4" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> S2 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N6 [color="#4285F4" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N7 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_606.txt b/train/graphviz/hard/graphviz_606.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab7a57095346dd1976fa9f7f3e402e32f05d1e1c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_606.txt
@@ -0,0 +1,35 @@
+<Campaign Management, connectedTo, Link_in_Bio Optimization>
+<Community Management, connectedTo, Performance Analytics>
+<Community Management, partOf, Community Management>
+<Competitor Analysis, connectedTo, Trend Monitoring>
+<Competitor Analysis, partOf, Competitor Analysis>
+<Content Creation, connectedTo, Campaign Management>
+<Content Creation, connectedTo, Content Moderation>
+<Content Creation, connectedTo, Crisis Management>
+<Content Creation, connectedTo, Hashtag Research>
+<Content Creation, connectedTo, Link_in_Bio Optimization>
+<Content Creation, connectedTo, Partnership Management on Social>
+<Content Moderation, connectedTo, Hashtag Research>
+<Content Strategy, connectedTo, Campaign Management>
+<Content Strategy, partOf, Content Strategy>
+<Crisis Management, connectedTo, Campaign Management>
+<Cross_Promotion, connectedTo, Community Management>
+<Cross_Promotion, connectedTo, Engagement Rate Calculation>
+<Emerging Platform Exploration, grows followers, Content Creation>
+<Engagement Rate Calculation, connectedTo, Content Moderation>
+<Engagement Rate Calculation, connectedTo, Crisis Management>
+<Engagement Rate Calculation, connectedTo, Emerging Platform Exploration>
+<Engagement Rate Calculation, connectedTo, Hashtag Research>
+<Ethical Use of Social Media, connectedTo, Partnership Management on Social>
+<Hashtag Research, connectedTo, Reputation Management>
+<Influencer Collaboration, connectedTo, Competitor Analysis>
+<Influencer Collaboration, connectedTo, Cross_Promotion>
+<Link_in_Bio Optimization, connectedTo, Ethical Use of Social Media>
+<Performance Analytics, connectedTo, Content Strategy>
+<Performance Analytics, partOf, Performance Analytics>
+<Platform Algorithm Understanding, connectedTo, Campaign Management>
+<Platform Algorithm Understanding, partOf, Platform Algorithm Understanding>
+<Reels or Short Video Production, connectedTo, Influencer Collaboration>
+<Reputation Management, connectedTo, Crisis Management>
+<Trend Monitoring, connectedTo, Platform Algorithm Understanding>
+<Trend Monitoring, partOf, Trend Monitoring>
diff --git a/train/graphviz/hard/graphviz_608.txt b/train/graphviz/hard/graphviz_608.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d2f5d66f4b56db80a79b479ef146df52cb347ab
--- /dev/null
+++ b/train/graphviz/hard/graphviz_608.txt
@@ -0,0 +1,34 @@
+<Audience Engagement, runs ads, Customer Service on Social Media>
+<Campaign Management, connectedTo, Content Strategy>
+<Campaign Management, connectedTo, Direct Messaging Strategy>
+<Community Management, connectedTo, Campaign Management>
+<Competitor Analysis, connectedTo, Audience Engagement>
+<Competitor Analysis, connectedTo, Campaign Management>
+<Competitor Analysis, connectedTo, Paid Social Media Advertising>
+<Competitor Analysis, connectedTo, Partnership Management on Social>
+<Competitor Analysis, connectedTo, Reputation Management>
+<Competitor Analysis, connectedTo, Social Selling>
+<Content Strategy, connectedTo, Platform Algorithm Understanding>
+<Content Strategy, partOf, Content Strategy>
+<Customer Service on Social Media, connectedTo, Platform Selection>
+<Group Management, connectedTo, Social Selling>
+<Group Management, partOf, Group Management>
+<Hashtag Research, connectedTo, Customer Service on Social Media>
+<Hashtag Research, partOf, Hashtag Research>
+<Influencer Collaboration, connectedTo, Audience Engagement>
+<Influencer Collaboration, connectedTo, Social Listening>
+<Paid Social Media Advertising, connectedTo, Influencer Collaboration>
+<Partnership Management on Social, connectedTo, Community Management>
+<Personal Branding on Social Media, connectedTo, Hashtag Research>
+<Personal Branding on Social Media, partOf, Personal Branding on Social Media>
+<Platform Algorithm Understanding, connectedTo, Group Management>
+<Platform Algorithm Understanding, partOf, Platform Algorithm Understanding>
+<Platform Selection, connectedTo, Partnership Management on Social>
+<Platform Selection, connectedTo, Personal Branding on Social Media>
+<Reputation Management, connectedTo, Direct Messaging Strategy>
+<Reputation Management, monitors competitors, Audience Engagement>
+<Reputation Management, uses hashtags, Partnership Management on Social>
+<Social Listening, connectedTo, Audience Engagement>
+<Social Listening, connectedTo, Reputation Management>
+<Social Selling, connectedTo, Audience Engagement>
+<Social Selling, connectedTo, Paid Social Media Advertising>
diff --git a/train/graphviz/hard/graphviz_61.dot b/train/graphviz/hard/graphviz_61.dot
new file mode 100644
index 0000000000000000000000000000000000000000..34523c342a6758bbeaa0e9a2384f73ddfc0e2bce
--- /dev/null
+++ b/train/graphviz/hard/graphviz_61.dot
@@ -0,0 +1,65 @@
+digraph {
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+	N0 [label="Estate Planning" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_61.txt b/train/graphviz/hard/graphviz_61.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7771cc52c6ce1f603b7e0c3196f769c4fd705f79
--- /dev/null
+++ b/train/graphviz/hard/graphviz_61.txt
@@ -0,0 +1,33 @@
+<Amicus Brief Submission, connectedTo, Corporate Formation>
+<Amicus Brief Submission, connectedTo, Due Diligence>
+<Amicus Brief Submission, connectedTo, Legal Research>
+<Bankruptcy Filing, connectedTo, Patent Application>
+<Child Custody, connectedTo, Amicus Brief Submission>
+<Contract Review, connectedTo, Court Order Execution>
+<Contract Review, partOf, Contract Review>
+<Corporate Formation, connectedTo, Discovery Process>
+<Corporate Formation, connectedTo, Patent Application>
+<Court Order Execution, connectedTo, Corporate Formation>
+<Court Order Execution, partOf, Court Order Execution>
+<Discovery Process, connectedTo, Enforcement>
+<Discovery Process, connectedTo, Notarization>
+<Discovery Process, connectedTo, Patent Application>
+<Discovery Process, connectedTo, Pro Bono Work>
+<Discovery Process, connectedTo, Regulatory Compliance Review>
+<Discovery Process, summarizes, Bankruptcy Filing>
+<Due Diligence, connectedTo, Legal Consultation>
+<Due Diligence, partOf, Due Diligence>
+<Estate Planning, connectedTo, Corporate Formation>
+<Estate Planning, connectedTo, Verdict Announcement>
+<Legal Consultation, connectedTo, Pro Bono Work>
+<Legal Consultation, partOf, Legal Consultation>
+<Legal Research, connectedTo, Plea Bargain>
+<Notarization, connectedTo, Contract Review>
+<Notarization, partOf, Notarization>
+<Patent Application, connectedTo, Regulatory Compliance Review>
+<Plea Bargain, connectedTo, Corporate Formation>
+<Pro Bono Work, connectedTo, Bankruptcy Filing>
+<Pro Bono Work, connectedTo, Patent Application>
+<Regulatory Compliance Review, connectedTo, Enforcement>
+<Verdict Announcement, connectedTo, Witness Testimony>
+<Witness Testimony, connectedTo, Child Custody>
diff --git a/train/graphviz/hard/graphviz_611.txt b/train/graphviz/hard/graphviz_611.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8098f566f2677cff81167ca55c4f6f48a6c897ef
--- /dev/null
+++ b/train/graphviz/hard/graphviz_611.txt
@@ -0,0 +1,37 @@
+<Core Web Vitals Optimization, connectedTo, Google Analytics Integration>
+<Core Web Vitals Optimization, partOf, Core Web Vitals Optimization>
+<Crawling Websites, connectedTo, Site Architecture Optimization>
+<Featured Snippets Optimization, connectedTo, Mobile_First Indexing>
+<Google Analytics Integration, connectedTo, Featured Snippets Optimization>
+<International SEO, manages technical SEO, Google Analytics Integration>
+<Knowledge Graph Integration, connectedTo, Personalized Search Results>
+<Knowledge Graph Integration, connectedTo, Semantic Search>
+<Local SEO, connectedTo, Mobile_First Indexing>
+<Local SEO, connectedTo, On_Page SEO>
+<Local SEO, connectedTo, User Experience for Search>
+<Mobile_First Indexing, analyzes competitors, Knowledge Graph Integration>
+<Mobile_First Indexing, connectedTo, Search Console Management>
+<Mobile_First Indexing, connectedTo, User Experience for Search>
+<Mobile_First Indexing, connectedTo, Video Search>
+<News Search, connectedTo, Crawling Websites>
+<On_Page SEO, connectedTo, Search Console Management>
+<On_Page SEO, connectedTo, Search Engine Optimization>
+<Penalties Recovery, connectedTo, Core Web Vitals Optimization>
+<Penalties Recovery, partOf, Penalties Recovery>
+<Personalized Search Results, connectedTo, Voice Search Optimization>
+<Personalized Search Results, partOf, Personalized Search Results>
+<Query Processing, connectedTo, User Experience for Search>
+<Search Console Management, connectedTo, Penalties Recovery>
+<Search Console Management, connectedTo, Video Search>
+<Search Engine Optimization, connectedTo, News Search>
+<Search Engine Optimization, connectedTo, Search Console Management>
+<Semantic Search, connectedTo, Query Processing>
+<Shopping Search, connectedTo, International SEO>
+<Shopping Search, connectedTo, Semantic Search>
+<Shopping Search, connectedTo, Video Search>
+<Shopping Search, handles voice search, Search Console Management>
+<Site Architecture Optimization, connectedTo, Shopping Search>
+<User Experience for Search, connectedTo, Competitor Keyword Analysis>
+<Video Search, connectedTo, Knowledge Graph Integration>
+<Voice Search Optimization, connectedTo, Shopping Search>
+<Voice Search Optimization, partOf, Voice Search Optimization>
diff --git a/train/graphviz/hard/graphviz_612.dot b/train/graphviz/hard/graphviz_612.dot
new file mode 100644
index 0000000000000000000000000000000000000000..46be099d3d51a65e43dc595fcd40be6cab946e31
--- /dev/null
+++ b/train/graphviz/hard/graphviz_612.dot
@@ -0,0 +1,73 @@
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+	N2 [label="Search Console Management" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
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+	N4 [label="Negative SEO Prevention" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+	N5 [label="Google My Business Management" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
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+	S1 -> N14 [label="indexes academic papers" color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N15 [label="optimizes on_page" color="#4FC3F7" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N0 -> S2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [label="optimizes for mobile" color="#FFA726" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#CDDC39" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#CDDC39" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_615.txt b/train/graphviz/hard/graphviz_615.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1deded64ca9b3a286329fb711ac7c507451ae624
--- /dev/null
+++ b/train/graphviz/hard/graphviz_615.txt
@@ -0,0 +1,37 @@
+<Click_Through Rate Optimization, connectedTo, Shopping Search>
+<Click_Through Rate Optimization, partOf, Click_Through Rate Optimization>
+<Core Web Vitals Optimization, connectedTo, Local SEO>
+<Core Web Vitals Optimization, connectedTo, Query Processing>
+<Core Web Vitals Optimization, connectedTo, Semantic Search>
+<Crawling Websites, connectedTo, International SEO>
+<Featured Snippets Optimization, connectedTo, Site Architecture Optimization>
+<Featured Snippets Optimization, partOf, Featured Snippets Optimization>
+<Google My Business Management, connectedTo, Search Result Display>
+<Google My Business Management, indexes content, Search Engine Optimization>
+<Local SEO, connectedTo, Paid Search Advertising>
+<News Search, connectedTo, International SEO>
+<News Search, connectedTo, Search Result Display>
+<News Search, optimizes UX, Crawling Websites>
+<Off_Page SEO, connectedTo, User Experience for Search>
+<Off_Page SEO, partOf, Off_Page SEO>
+<Paid Search Advertising, connectedTo, Google My Business Management>
+<Query Processing, connectedTo, Ranking Algorithms>
+<Query Processing, partOf, Query Processing>
+<Rank Tracking, connectedTo, Core Web Vitals Optimization>
+<Rank Tracking, connectedTo, Local SEO>
+<Ranking Algorithms, connectedTo, Off_Page SEO>
+<Ranking Algorithms, partOf, Ranking Algorithms>
+<Search Engine Optimization, connectedTo, Search Result Display>
+<Search Engine Optimization, connectedTo, Video Search>
+<Search Result Display, connectedTo, Crawling Websites>
+<Semantic Search, connectedTo, Featured Snippets Optimization>
+<Semantic Search, connectedTo, Local SEO>
+<Semantic Search, connectedTo, Search Result Display>
+<Shopping Search, connectedTo, Search Result Display>
+<Shopping Search, partOf, Shopping Search>
+<Site Architecture Optimization, connectedTo, Click_Through Rate Optimization>
+<Site Architecture Optimization, partOf, Site Architecture Optimization>
+<User Experience for Search, connectedTo, Search Result Display>
+<User Experience for Search, partOf, User Experience for Search>
+<Video Search, connectedTo, Voice Search Optimization>
+<Voice Search Optimization, connectedTo, News Search>
diff --git a/train/graphviz/hard/graphviz_621.txt b/train/graphviz/hard/graphviz_621.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2a1abe66dcf90cb82bdf61843aa18ffb963d1867
--- /dev/null
+++ b/train/graphviz/hard/graphviz_621.txt
@@ -0,0 +1,35 @@
+<Attribute Management, connectedTo, Compliance with Data Protection Regulations>
+<Attribute Management, connectedTo, Workforce Identity Management>
+<Attribute Management, de_provisions users, Password Management>
+<Attribute Management, ensures non_repudiation, Identity Proofing>
+<Attribute Management, federates identities, User Provisioning>
+<Authentication, connectedTo, Privileged Access Management>
+<Authorization, connectedTo, Attribute Management>
+<Compliance with Data Protection Regulations, connectedTo, Authentication>
+<Compliance with Data Protection Regulations, connectedTo, Identity Threat Detection and Response>
+<Consent Management, connectedTo, Verifiable Credentials>
+<Consent Management, partOf, Consent Management>
+<Credential Management, connectedTo, Identity Proofing>
+<Credential Management, connectedTo, Password Management>
+<De_provisioning, connectedTo, Consent Management>
+<De_provisioning, partOf, De_provisioning>
+<Identity Proofing, connectedTo, Compliance with Data Protection Regulations>
+<Identity Proofing, connectedTo, Identity as a Service>
+<Identity Proofing, connectedTo, Password Management>
+<Identity Threat Detection and Response, connectedTo, Identity Verification>
+<Identity Threat Detection and Response, partOf, Identity Threat Detection and Response>
+<Identity Verification, connectedTo, Risk_Based Authentication>
+<Identity Verification, partOf, Identity Verification>
+<Identity as a Service, connectedTo, Compliance with Data Protection Regulations>
+<Password Management, connectedTo, Data Encryption for Identity>
+<Privacy Management, connectedTo, Authorization>
+<Privileged Access Management, connectedTo, Password Management>
+<Privileged Access Management, connectedTo, User Provisioning>
+<Risk_Based Authentication, implements DIDs, Privileged Access Management>
+<Risk_Based Authentication, partOf, Risk_Based Authentication>
+<User Provisioning, connectedTo, Password Management>
+<Verifiable Credentials, connectedTo, Compliance with Data Protection Regulations>
+<Verifiable Credentials, connectedTo, Credential Management>
+<Workforce Identity Management, connectedTo, De_provisioning>
+<Workforce Identity Management, connectedTo, Verifiable Credentials>
+<Workforce Identity Management, uses blockchain, Compliance with Data Protection Regulations>
diff --git a/train/graphviz/hard/graphviz_623.dot b/train/graphviz/hard/graphviz_623.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9e7e8a3b8da5a809983e35a36618d8a4a48b8cfe
--- /dev/null
+++ b/train/graphviz/hard/graphviz_623.dot
@@ -0,0 +1,84 @@
+digraph {
+	rankdir=RL
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+	N10 [label="Adaptive Authentication" color="#E0E0E0" fillcolor="#EBEBEB" shape=plaintext style=filled]
+	N11 [label="Federated Identity Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=box style=filled]
+	N12 [label="Identity Verification" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N13 [label="Digital Certificates" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
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+		nest0_3 [label=Non_Repudiation color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
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+		nest1_1 [label="Fraud Detection in Identity" color="#BDAFA8" fillcolor="#E4E0DF" shape=Mdiamond style=filled]
+		nest1_2 [label="Customer Identity and Access Management" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [label="issues certificates" color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	nest0_3 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	nest1_2 -> N2 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N11 -> S0 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N14 [color="#BDAFA8" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	S1 -> N12 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S2 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [label="enables MFA" color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	M0 -> N4 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N1 -> M1 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [color="#AABEC6" dir=forward penwidth=1.5 style=solid]
+	M1 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#AABEC6" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M2 [color="#BDAFA8" dir=forward penwidth=1.5 style=solid]
+	M2 -> N4 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_624.txt b/train/graphviz/hard/graphviz_624.txt
new file mode 100644
index 0000000000000000000000000000000000000000..084d9e42689a9f16431da9ee241a0befb0d0ba23
--- /dev/null
+++ b/train/graphviz/hard/graphviz_624.txt
@@ -0,0 +1,37 @@
+<Access Governance, connectedTo, User Provisioning>
+<Access Governance, provides IDaaS, Identity as a Service>
+<Biometric Authentication, connectedTo, Single Sign_On>
+<Biometric Authentication, partOf, Biometric Authentication>
+<Blockchain_based Identity, connectedTo, Identity Verification>
+<Compliance with Data Protection Regulations, connectedTo, Identity as a Service>
+<Consent Management, connectedTo, Digital Signatures>
+<Consent Management, partOf, Consent Management>
+<Data Encryption for Identity, connectedTo, Consent Management>
+<Data Encryption for Identity, connectedTo, Data Minimization Principles>
+<Data Minimization Principles, connectedTo, Digital Wallets for Identity>
+<Data Minimization Principles, connectedTo, Privileged Access Management>
+<Decentralized Identifiers, connectedTo, Access Governance>
+<Decentralized Identifiers, connectedTo, Identity as a Service>
+<Decentralized Identifiers, integrates social logins, Privacy Management>
+<Digital Certificates, manages workforces, Data Minimization Principles>
+<Digital Certificates, partOf, Digital Certificates>
+<Digital Signatures, connectedTo, User Registration>
+<Digital Signatures, partOf, Digital Signatures>
+<Digital Wallets for Identity, connectedTo, Biometric Authentication>
+<Digital Wallets for Identity, partOf, Digital Wallets for Identity>
+<Identity Verification, connectedTo, Compliance with Data Protection Regulations>
+<Identity as a Service, connectedTo, Data Encryption for Identity>
+<Non_Repudiation, connectedTo, Blockchain_based Identity>
+<Non_Repudiation, connectedTo, Identity as a Service>
+<Privacy Management, connectedTo, Non_Repudiation>
+<Risk_Based Authentication, connectedTo, Identity Verification>
+<Risk_Based Authentication, connectedTo, Identity as a Service>
+<Risk_Based Authentication, connectedTo, Privileged Access Management>
+<Risk_Based Authentication, stores attributes, Privacy Management>
+<Single Sign_On, partOf, Single Sign_On>
+<Single Sign_On, uses biometrics, Data Encryption for Identity>
+<User Provisioning, connectedTo, Identity as a Service>
+<User Provisioning, connectedTo, Privacy Management>
+<User Provisioning, connectedTo, Risk_Based Authentication>
+<User Registration, connectedTo, Digital Certificates>
+<User Registration, partOf, User Registration>
diff --git a/train/graphviz/hard/graphviz_625.dot b/train/graphviz/hard/graphviz_625.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a697238451b0ddd30b3fb9cfa71cb7a7be7e99a6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_625.dot
@@ -0,0 +1,70 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_626.dot b/train/graphviz/hard/graphviz_626.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6aba3ffcf9ce7502f841e8b1b0fa55abe68e0dec
--- /dev/null
+++ b/train/graphviz/hard/graphviz_626.dot
@@ -0,0 +1,73 @@
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diff --git a/train/graphviz/hard/graphviz_626.txt b/train/graphviz/hard/graphviz_626.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31c10a370de3adf1e1101c6fe77fbf45b7bd74d2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_626.txt
@@ -0,0 +1,37 @@
+<Accessibility Features, connectedTo, Bootcamp Development>
+<Accessibility Features, partOf, Accessibility Features>
+<Adaptive Learning Technologies, connectedTo, Technical Support for Students>
+<Blended Learning Models, connectedTo, Technical Support for Students>
+<Blended Learning Models, partOf, Blended Learning Models>
+<Bootcamp Development, connectedTo, Enrollment and Retention Strategies>
+<Certification Issuance, connectedTo, Peer_to_Peer Learning>
+<Content Creation, connectedTo, Adaptive Learning Technologies>
+<Content Creation, connectedTo, Discussion Forum Moderation>
+<Content Creation, connectedTo, Student Engagement Strategies>
+<Content Creation, connectedTo, Synchronous Learning>
+<Content Creation, connectedTo, Test Preparation Courses>
+<Course Design, connectedTo, Bootcamp Development>
+<Course Design, connectedTo, Enrollment and Retention Strategies>
+<Course Design, connectedTo, Student Progress Tracking>
+<Course Design, connectedTo, Test Preparation Courses>
+<Discussion Forum Moderation, connectedTo, Enrollment and Retention Strategies>
+<Discussion Forum Moderation, creates courses, Certification Issuance>
+<Enrollment and Retention Strategies, provides feedback, Test Preparation Courses>
+<Interactive Learning Activities, connectedTo, Blended Learning Models>
+<Interactive Learning Activities, partOf, Interactive Learning Activities>
+<Language Learning Platforms, connectedTo, Adaptive Learning Technologies>
+<Learning Management System Administration, connectedTo, Content Creation>
+<Learning Management System Administration, connectedTo, Technical Support for Students>
+<Learning Management System Administration, connectedTo, Test Preparation Courses>
+<Peer_to_Peer Learning, connectedTo, Course Design>
+<Student Progress Tracking, connectedTo, Accessibility Features>
+<Student Progress Tracking, partOf, Student Progress Tracking>
+<Synchronous Learning, connectedTo, Discussion Forum Moderation>
+<Synchronous Learning, connectedTo, Enrollment and Retention Strategies>
+<Synchronous Learning, connectedTo, Interactive Learning Activities>
+<Technical Support for Students, connectedTo, Student Engagement Strategies>
+<Test Preparation Courses, connectedTo, Technical Support for Students>
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+<Virtual Labs and Simulations, connectedTo, Adaptive Learning Technologies>
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diff --git a/train/graphviz/hard/graphviz_627.dot b/train/graphviz/hard/graphviz_627.dot
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diff --git a/train/graphviz/hard/graphviz_629.dot b/train/graphviz/hard/graphviz_629.dot
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diff --git a/train/graphviz/hard/graphviz_629.txt b/train/graphviz/hard/graphviz_629.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d4672315c058ede6ab7638cdb6761504d8b6364
--- /dev/null
+++ b/train/graphviz/hard/graphviz_629.txt
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new file mode 100644
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_64.txt b/train/graphviz/hard/graphviz_64.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c0882efd608bda3e52a45eb3d1d0ad464718e496
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diff --git a/train/graphviz/hard/graphviz_642.txt b/train/graphviz/hard/graphviz_642.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6fda55a8bb7f992cafaf6d65ff15265ba914f1ba
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new file mode 100644
index 0000000000000000000000000000000000000000..274f17016c2a9c0c7adf48941cbd7c59c037c9c9
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new file mode 100644
index 0000000000000000000000000000000000000000..7bde15a9dd059c46d62020985196f956c6d23e3e
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+<Speaking Practice, connectedTo, Business Language Training>
+<Speaking Practice, connectedTo, Language Exchange Programs>
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diff --git a/train/graphviz/hard/graphviz_650.dot b/train/graphviz/hard/graphviz_650.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3b9482d54cb33f174bb7c03b9ceb2e783992d0f0
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diff --git a/train/graphviz/hard/graphviz_652.dot b/train/graphviz/hard/graphviz_652.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1f207a421b45fd9b97967ece83e38d6e0f1e8c1f
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_652.txt b/train/graphviz/hard/graphviz_652.txt
new file mode 100644
index 0000000000000000000000000000000000000000..69c94bce71e8058f932bfeb17899a6595e4a3962
--- /dev/null
+++ b/train/graphviz/hard/graphviz_652.txt
@@ -0,0 +1,42 @@
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+<Accent Reduction Coaching, partOf, Accent Reduction Coaching>
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+<Audio Lessons, connectedTo, Interactive Dialogues>
+<Audio Lessons, connectedTo, Language Assessment Tests>
+<Certification Exam Preparation, partOf, Certification Exam Preparation>
+<Certification Exam Preparation, practices, Speaking Practice>
+<Children's Language Learning, connectedTo, Language Assessment Tests>
+<Cultural Immersion, connectedTo, Accent Reduction Coaching>
+<Cultural Immersion, partOf, Cultural Immersion>
+<Curriculum Customization, connectedTo, Reading Comprehension>
+<Error Correction Feedback, connectedTo, Role_Playing Scenarios>
+<Immersion Programs, connectedTo, Audio Lessons>
+<Immersion Programs, connectedTo, Language Assessment Tests>
+<Immersion Programs, connectedTo, Travel Language Essentials>
+<Immersion Programs, learns, Writing Exercises>
+<Instructor_Led Classes, connectedTo, Pronunciation Drills>
+<Instructor_Led Classes, partOf, Instructor_Led Classes>
+<Interactive Dialogues, connectedTo, Adult Language Learning>
+<Interactive Dialogues, connectedTo, Curriculum Customization>
+<Interactive Dialogues, connectedTo, Reading Comprehension>
+<Language Assessment Tests, connectedTo, Cultural Immersion>
+<Language Assessment Tests, connectedTo, Travel Language Essentials>
+<Language for Specific Purposes, connectedTo, Immersion Programs>
+<Native Speaker Interaction, connectedTo, Language for Specific Purposes>
+<Online Tutoring Sessions, engages, Certification Exam Preparation>
+<Online Tutoring Sessions, partOf, Online Tutoring Sessions>
+<Progress Tracking, connectedTo, Video Lessons>
+<Progress Tracking, connectedTo, Writing Exercises>
+<Pronunciation Drills, connectedTo, Vocabulary Acquisition>
+<Pronunciation Drills, partOf, Pronunciation Drills>
+<Reading Comprehension, connectedTo, Children's Language Learning>
+<Role_Playing Scenarios, simulates, Vocabulary Acquisition>
+<Speaking Practice, connectedTo, Immersion Programs>
+<Speaking Practice, partOf, Speaking Practice>
+<Travel Language Essentials, converts, Progress Tracking>
+<Video Lessons, connectedTo, Adult Language Learning>
+<Vocabulary Acquisition, connectedTo, Online Tutoring Sessions>
+<Vocabulary Acquisition, connectedTo, Video Lessons>
+<Writing Exercises, connectedTo, Error Correction Feedback>
+<Writing Exercises, connectedTo, Video Lessons>
diff --git a/train/graphviz/hard/graphviz_654.dot b/train/graphviz/hard/graphviz_654.dot
new file mode 100644
index 0000000000000000000000000000000000000000..36a22ab1703a171c7c94e7dc28e22bf86a02d834
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_660.dot b/train/graphviz/hard/graphviz_660.dot
new file mode 100644
index 0000000000000000000000000000000000000000..18406154edc1509a4b22701c00be14c380725f63
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diff --git a/train/graphviz/hard/graphviz_661.dot b/train/graphviz/hard/graphviz_661.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c0f7e5f79889e932342e8c0eb4150efd29f76dd2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_661.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=BT
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diff --git a/train/graphviz/hard/graphviz_662.txt b/train/graphviz/hard/graphviz_662.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60ce50afe2aaa36d7ca9e876a47b84b07a18a0ae
--- /dev/null
+++ b/train/graphviz/hard/graphviz_662.txt
@@ -0,0 +1,45 @@
+<Advocacy for Mental Health, connectedTo, Post_Traumatic Stress Disorder Support>
+<Advocacy for Mental Health, connectedTo, Workplace Mental Health Programs>
+<Advocacy for Mental Health, counsels, Dialectical Behavior Therapy>
+<Art Therapy, connectedTo, Psychiatric Evaluation>
+<Child & Adolescent Therapy, connectedTo, Counseling Services>
+<Child & Adolescent Therapy, partOf, Child & Adolescent Therapy>
+<Coping Skill Development, connectedTo, Art Therapy>
+<Counseling Services, connectedTo, Dialectical Behavior Therapy>
+<Counseling Services, connectedTo, Digital Mental Health Tools>
+<Dialectical Behavior Therapy, connectedTo, Coping Skill Development>
+<Digital Mental Health Tools, connectedTo, Art Therapy>
+<Digital Mental Health Tools, connectedTo, Coping Skill Development>
+<Digital Mental Health Tools, integrates, Psychiatric Evaluation>
+<Digital Mental Health Tools, protects, Dialectical Behavior Therapy>
+<Digital Mental Health Tools, therapies, Coping Skill Development>
+<Eating Disorder Treatment, connectedTo, Digital Mental Health Tools>
+<Eating Disorder Treatment, partOf, Eating Disorder Treatment>
+<Family Therapy, complies, Substance Abuse Counseling>
+<Family Therapy, connectedTo, Group Therapy>
+<Grief Counseling, connectedTo, Dialectical Behavior Therapy>
+<Grief Counseling, connectedTo, Family Therapy>
+<Group Therapy, connectedTo, Trauma Therapy>
+<Group Therapy, partOf, Group Therapy>
+<Post_Traumatic Stress Disorder Support, advises, Digital Mental Health Tools>
+<Post_Traumatic Stress Disorder Support, connectedTo, Dialectical Behavior Therapy>
+<Post_Traumatic Stress Disorder Support, connectedTo, Grief Counseling>
+<Stress Reduction Techniques, connectedTo, Post_Traumatic Stress Disorder Support>
+<Stress Reduction Techniques, connectedTo, Suicide Prevention>
+<Substance Abuse Counseling, connectedTo, Counseling Services>
+<Substance Abuse Counseling, connectedTo, Digital Mental Health Tools>
+<Suicide Prevention, connectedTo, Art Therapy>
+<Suicide Prevention, connectedTo, Coping Skill Development>
+<Suicide Prevention, connectedTo, Digital Mental Health Tools>
+<Suicide Prevention, connectedTo, Grief Counseling>
+<Suicide Prevention, connectedTo, Post_Traumatic Stress Disorder Support>
+<Suicide Prevention, connectedTo, Substance Abuse Counseling>
+<Suicide Prevention, connectedTo, Telehealth Counseling>
+<Telehealth Counseling, innovates, Eating Disorder Treatment>
+<Telehealth Counseling, partOf, Telehealth Counseling>
+<Trauma Therapy, connectedTo, Child & Adolescent Therapy>
+<Trauma Therapy, partOf, Trauma Therapy>
+<Treatment Plan Development, connectedTo, Advocacy for Mental Health>
+<Treatment Plan Development, connectedTo, Post_Traumatic Stress Disorder Support>
+<Workplace Mental Health Programs, connectedTo, Stress Reduction Techniques>
+<Workplace Mental Health Programs, listens, Post_Traumatic Stress Disorder Support>
diff --git a/train/graphviz/hard/graphviz_663.dot b/train/graphviz/hard/graphviz_663.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c2cef42a6695bf0b4a21302d644aba90130893c1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_663.dot
@@ -0,0 +1,75 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_665.dot b/train/graphviz/hard/graphviz_665.dot
new file mode 100644
index 0000000000000000000000000000000000000000..81230e2f62467573559dce1a98d2649a32cd17f8
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_666.dot b/train/graphviz/hard/graphviz_666.dot
new file mode 100644
index 0000000000000000000000000000000000000000..97df046c955d64de3566eb0c18e50af0d4ba34af
--- /dev/null
+++ b/train/graphviz/hard/graphviz_666.dot
@@ -0,0 +1,71 @@
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diff --git a/train/graphviz/hard/graphviz_670.txt b/train/graphviz/hard/graphviz_670.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a6e07fec3805b613c14ebdb5adfa175308ba0a12
--- /dev/null
+++ b/train/graphviz/hard/graphviz_670.txt
@@ -0,0 +1,38 @@
+<Agricultural Nutrition Impact, connectedTo, Clinical Nutrition Support>
+<Agricultural Nutrition Impact, connectedTo, Food Waste Reduction>
+<Body Composition Analysis, connectedTo, Meal Planning>
+<Body Composition Analysis, connectedTo, Weight Management>
+<Child Nutrition, connectedTo, Elderly Nutrition>
+<Child Nutrition, connectedTo, Grocery Shopping Guidance>
+<Clinical Nutrition Support, connectedTo, Eating Habit Modification>
+<Clinical Nutrition Support, partOf, Clinical Nutrition Support>
+<Disease_Specific Nutrition, connectedTo, Food Fortification Strategies>
+<Eating Habit Modification, connectedTo, Sustainable Food Systems>
+<Eating Habit Modification, partOf, Eating Habit Modification>
+<Elderly Nutrition, connectedTo, Body Composition Analysis>
+<Elderly Nutrition, connectedTo, Genetic Nutrition Counseling>
+<Elderly Nutrition, connectedTo, Grocery Shopping Guidance>
+<Elderly Nutrition, filters, Public Health Nutrition Programs>
+<Food Allergy Management, connectedTo, Child Nutrition>
+<Food Allergy Management, connectedTo, Meal Planning>
+<Food Fortification Strategies, connectedTo, Food Allergy Management>
+<Food Label Interpretation, connectedTo, Elderly Nutrition>
+<Food Label Interpretation, partOf, Food Label Interpretation>
+<Food Waste Reduction, connectedTo, Nutritional Counseling>
+<Genetic Nutrition Counseling, connectedTo, Meal Planning>
+<Grocery Shopping Guidance, connectedTo, Food Waste Reduction>
+<Grocery Shopping Guidance, connectedTo, Genetic Nutrition Counseling>
+<Grocery Shopping Guidance, connectedTo, Meal Planning>
+<Grocery Shopping Guidance, connectedTo, Nutritional Counseling>
+<Grocery Shopping Guidance, researches, Food Waste Reduction>
+<Grocery Shopping Guidance, tracks, Nutritional Counseling>
+<Meal Planning, connectedTo, Agricultural Nutrition Impact>
+<Nutrigenomics Research, connectedTo, Nutritional Counseling>
+<Nutrigenomics Research, partOf, Nutrigenomics Research>
+<Personalized Nutrition Plans, partOf, Personalized Nutrition Plans>
+<Personalized Nutrition Plans, tests, Nutrigenomics Research>
+<Public Health Nutrition Programs, connectedTo, Personalized Nutrition Plans>
+<Public Health Nutrition Programs, partOf, Public Health Nutrition Programs>
+<Sustainable Food Systems, connectedTo, Food Label Interpretation>
+<Sustainable Food Systems, partOf, Sustainable Food Systems>
+<Weight Management, connectedTo, Grocery Shopping Guidance>
diff --git a/train/graphviz/hard/graphviz_673.dot b/train/graphviz/hard/graphviz_673.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8764e4eea9bbdb8783fe6ed75980b1f924f68431
--- /dev/null
+++ b/train/graphviz/hard/graphviz_673.dot
@@ -0,0 +1,81 @@
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diff --git a/train/graphviz/hard/graphviz_673.txt b/train/graphviz/hard/graphviz_673.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60bc48b112a00a90d0bd765f179d674b894bbdb6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_673.txt
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diff --git a/train/graphviz/hard/graphviz_674.txt b/train/graphviz/hard/graphviz_674.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f2fef03c8cf8b5aff65c69d0f445ac2da7c5579c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_674.txt
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+<Rehabilitation Exercises, partOf, Rehabilitation Exercises>
+<Running Coaching, connectedTo, Injury Prevention>
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+<Strength Training, connectedTo, HIIT Workouts>
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+<Weightlifting Techniques, connectedTo, Strength Training>
+<Weightlifting Techniques, plans, HIIT Workouts>
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diff --git a/train/graphviz/hard/graphviz_676.dot b/train/graphviz/hard/graphviz_676.dot
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index 0000000000000000000000000000000000000000..f3ef0ca28b1c520fa44ea70b8bd03058477329b0
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diff --git a/train/graphviz/hard/graphviz_677.txt b/train/graphviz/hard/graphviz_677.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4cb3db862dfc9907cac166fe9ecbfd30629bd764
--- /dev/null
+++ b/train/graphviz/hard/graphviz_677.txt
@@ -0,0 +1,36 @@
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diff --git a/train/graphviz/hard/graphviz_678.txt b/train/graphviz/hard/graphviz_678.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e47e60b0fa2522647674ab8f253018cd519d05f3
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_680.dot b/train/graphviz/hard/graphviz_680.dot
new file mode 100644
index 0000000000000000000000000000000000000000..53ae2e948e62135177e3d3d416afff0997403a43
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new file mode 100644
index 0000000000000000000000000000000000000000..33fdce327f488c102c16d6ee23cf854ca1d5e6ad
--- /dev/null
+++ b/train/graphviz/hard/graphviz_682.dot
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diff --git a/train/graphviz/hard/graphviz_683.txt b/train/graphviz/hard/graphviz_683.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e90efbbbcb40488004c7a2fd6566d38af2e20921
--- /dev/null
+++ b/train/graphviz/hard/graphviz_683.txt
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diff --git a/train/graphviz/hard/graphviz_684.dot b/train/graphviz/hard/graphviz_684.dot
new file mode 100644
index 0000000000000000000000000000000000000000..655495734f84a99afe4d6b6cabce88258c291e0c
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diff --git a/train/graphviz/hard/graphviz_684.txt b/train/graphviz/hard/graphviz_684.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9c4ec6c3c33419c14a5234438c72949b3b0263d8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_684.txt
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diff --git a/train/graphviz/hard/graphviz_686.txt b/train/graphviz/hard/graphviz_686.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c076c6d5247705746a91c2ea8b06717f6bf142fd
--- /dev/null
+++ b/train/graphviz/hard/graphviz_686.txt
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+<Detox Programs, connectedTo, Aromatherapy Usage>
+<Emotional Well_being, connectedTo, Resilience Building>
+<Environmental Wellness, connectedTo, Breathwork Exercises>
+<Gratitude Practice, connectedTo, Breathwork Exercises>
+<Gratitude Practice, partOf, Gratitude Practice>
+<Gut Health for Wellness, connectedTo, Physical Activity Planning>
+<Gut Health for Wellness, partOf, Gut Health for Wellness>
+<Health Coaching, connectedTo, Environmental Wellness>
+<Holistic Health Assessment, connectedTo, Longevity Planning>
+<Hydrotherapy, connectedTo, Gratitude Practice>
+<Hydrotherapy, partOf, Hydrotherapy>
+<Immune System Support, connectedTo, Social Connection Enhancement>
+<Longevity Planning, connectedTo, Behavior Change Support>
+<Mindfulness Practice, connectedTo, Emotional Well_being>
+<Mindfulness Practice, connectedTo, Immune System Support>
+<Personal Growth Planning, connectedTo, Holistic Health Assessment>
+<Physical Activity Planning, connectedTo, Acupuncture Consultation>
+<Physical Activity Planning, partOf, Physical Activity Planning>
+<Resilience Building, connectedTo, Immune System Support>
+<Resilience Building, connectedTo, Sleep Optimization>
+<Resilience Building, connectedTo, Stress Management>
+<Self_Care Routine Development, connectedTo, Gut Health for Wellness>
+<Self_Care Routine Development, partOf, Self_Care Routine Development>
+<Sleep Optimization, connectedTo, Self_Care Routine Development>
+<Sleep Optimization, partOf, Sleep Optimization>
+<Social Connection Enhancement, certifies, Health Coaching>
+<Social Connection Enhancement, connectedTo, Detox Programs>
+<Social Connection Enhancement, connectedTo, Spiritual Exploration>
+<Stress Management, connectedTo, Acupuncture Consultation>
+<Work_Life Balance Coaching, connectedTo, Breathwork Exercises>
+<Work_Life Balance Coaching, connectedTo, Holistic Health Assessment>
+<Work_Life Balance Coaching, connectedTo, Immune System Support>
+<Work_Life Balance Coaching, connectedTo, Personal Growth Planning>
+<Work_Life Balance Coaching, connectedTo, Spiritual Exploration>
+<Work_Life Balance Coaching, connectedTo, Stress Management>
diff --git a/train/graphviz/hard/graphviz_689.dot b/train/graphviz/hard/graphviz_689.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cb11b0d773a9e89f6142b6b9b674f276d1172cd3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_689.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=BT
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+		nest1_1 [label="Custom Furniture Design" color="#FFB74D" fillcolor="#FFF3E0" shape=Mdiamond style=filled]
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+	N3 -> M0 [color="#795548" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [label=arranges color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
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+	M1 -> N3 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
+	N8 -> M2 [label=budgets color="#795548" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#795548" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_690.dot b/train/graphviz/hard/graphviz_690.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0a125fad51ad7c80ae310153ef3c2e44bdbb1e19
--- /dev/null
+++ b/train/graphviz/hard/graphviz_690.dot
@@ -0,0 +1,58 @@
+digraph {
+	rankdir=TD
+	N0 [label="Flooring Specification" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N1 [label="Bathroom Design" color="#6FE1D5" fillcolor="#C9EFEC" shape=hexagon style=filled]
+	N2 [label="Furniture Selection" color="#4DD0E1" fillcolor="#C9F0F0" shape=parallelogram style=filled]
+	N3 [label="Concept Development" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N4 [label="Acoustic Treatment" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N5 [label="Mood Board Creation" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N6 [label="Contractor Coordination" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N7 [label="Residential Interior Design" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
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+		nest0_2 [label="Retail Interior Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=folder style=filled]
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diff --git a/train/graphviz/hard/graphviz_693.dot b/train/graphviz/hard/graphviz_693.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2a87b7a52be19ee04657d48eeff91a755ebec854
--- /dev/null
+++ b/train/graphviz/hard/graphviz_693.dot
@@ -0,0 +1,69 @@
+digraph {
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+		nest1_1 [label="Living Room Design" color="#80DDEA" fillcolor="#D3F7F9" shape=box style=filled]
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+	N1 -> M0 [label=renovates color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N0 -> M2 [label=installs color="#000000" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_693.txt b/train/graphviz/hard/graphviz_693.txt
new file mode 100644
index 0000000000000000000000000000000000000000..826a081422d47645c7b9d365030bf5808f7319f3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_693.txt
@@ -0,0 +1,37 @@
+<Art and Accessory Curation, connectedTo, Feng Shui Consultation>
+<Bathroom Design, connectedTo, Textile and Fabric Selection>
+<Concept Development, connectedTo, 3D Rendering>
+<Concept Development, connectedTo, Art and Accessory Curation>
+<Concept Development, connectedTo, Feng Shui Consultation>
+<Concept Development, connectedTo, Smart Home Technology Integration>
+<Feng Shui Consultation, connectedTo, 3D Rendering>
+<Healthcare Interior Design, connectedTo, Project Management>
+<Healthcare Interior Design, partOf, Healthcare Interior Design>
+<Living Room Design, connectedTo, Site Measurement>
+<Living Room Design, partOf, Living Room Design>
+<Material and Finish Specification, connectedTo, Bathroom Design>
+<Material and Finish Specification, connectedTo, Textile and Fabric Selection>
+<Material and Finish Specification, renovates, Concept Development>
+<Office Space Design, connectedTo, Concept Development>
+<Office Space Design, connectedTo, Feng Shui Consultation>
+<Office Space Design, connectedTo, Sustainable Design Practices>
+<Project Management, materials, Concept Development>
+<Project Management, partOf, Project Management>
+<Site Measurement, connectedTo, Feng Shui Consultation>
+<Site Measurement, partOf, Site Measurement>
+<Smart Home Technology Integration, connectedTo, Healthcare Interior Design>
+<Smart Home Technology Integration, partOf, Smart Home Technology Integration>
+<Sustainable Design Practices, connectedTo, Concept Development>
+<Textile and Fabric Selection, connectedTo, 3D Rendering>
+<Textile and Fabric Selection, connectedTo, Art and Accessory Curation>
+<Textile and Fabric Selection, connectedTo, Feng Shui Consultation>
+<Textile and Fabric Selection, connectedTo, Wall Treatment Selection>
+<Universal Design Principles, connectedTo, Living Room Design>
+<Universal Design Principles, partOf, Universal Design Principles>
+<Ventilation Planning, connectedTo, Feng Shui Consultation>
+<Ventilation Planning, connectedTo, Material and Finish Specification>
+<Ventilation Planning, installs, Textile and Fabric Selection>
+<Wall Treatment Selection, budgets, Universal Design Principles>
+<Wall Treatment Selection, connectedTo, Concept Development>
+<Wall Treatment Selection, connectedTo, Feng Shui Consultation>
+<Wall Treatment Selection, connectedTo, Office Space Design>
diff --git a/train/graphviz/hard/graphviz_694.dot b/train/graphviz/hard/graphviz_694.dot
new file mode 100644
index 0000000000000000000000000000000000000000..db3ec0803713aa135e4de1b3eabe8420338e3816
--- /dev/null
+++ b/train/graphviz/hard/graphviz_694.dot
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diff --git a/train/graphviz/hard/graphviz_697.txt b/train/graphviz/hard/graphviz_697.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31d95ea9d47b66855217c80195948ca11a339e39
--- /dev/null
+++ b/train/graphviz/hard/graphviz_697.txt
@@ -0,0 +1,31 @@
+<Consecutive Interpretation, connectedTo, Real_Time Document Translation>
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+<Offline Translation Capabilities, partOf, Offline Translation Capabilities>
+<Pronunciation Correction, connectedTo, Noise Reduction for Speech Input>
+<Pronunciation Correction, connectedTo, Statistical Machine Translation>
+<Pronunciation Correction, connectedTo, Voice Biometrics>
+<Real_Time Document Translation, connectedTo, Voice Biometrics>
+<Real_Time Document Translation, partOf, Real_Time Document Translation>
+<Rule_Based Machine Translation, connectedTo, Machine Translation Engine>
+<Rule_Based Machine Translation, partOf, Rule_Based Machine Translation>
+<Statistical Machine Translation, connectedTo, Technical Manual Translation>
+<Statistical Machine Translation, connectedTo, Voice Biometrics>
+<Technical Manual Translation, connectedTo, Medical Translation>
+<Technical Manual Translation, connectedTo, Offline Translation Capabilities>
+<Technical Manual Translation, connectedTo, Rule_Based Machine Translation>
+<Voice Biometrics, connectedTo, Technical Manual Translation>
diff --git a/train/graphviz/hard/graphviz_698.dot b/train/graphviz/hard/graphviz_698.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f9d1242efe442977e13ff559782bd5acb97d559e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_698.dot
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diff --git a/train/graphviz/hard/graphviz_698.txt b/train/graphviz/hard/graphviz_698.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1f69d6f7210788f06b21852b3c66944a80cf92e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_698.txt
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diff --git a/train/graphviz/hard/graphviz_700.txt b/train/graphviz/hard/graphviz_700.txt
new file mode 100644
index 0000000000000000000000000000000000000000..375fe9b1563077a0e9daced1b99043982e1b389c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_700.txt
@@ -0,0 +1,36 @@
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+<Speech Recognition, connectedTo, Legal Document Translation>
+<Speech Recognition, partOf, Speech Recognition>
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+<Voice Biometrics, connectedTo, Social Media Translation>
+<Voice Biometrics, connectedTo, Wearable Translation Devices>
+<Wearable Translation Devices, connectedTo, Noise Reduction for Speech Input>
diff --git a/train/graphviz/hard/graphviz_701.dot b/train/graphviz/hard/graphviz_701.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ede6ca6810d3cefeffd3fca1bba570db6069aaca
--- /dev/null
+++ b/train/graphviz/hard/graphviz_701.dot
@@ -0,0 +1,58 @@
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diff --git a/train/graphviz/hard/graphviz_704.txt b/train/graphviz/hard/graphviz_704.txt
new file mode 100644
index 0000000000000000000000000000000000000000..49f975ba794e7b8a2c1dc7d23b39754103c4cfc8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_704.txt
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+<Contextual Understanding, connectedTo, Live Event Translation>
+<Custom Vocabulary Integration, connectedTo, Contextual Understanding>
+<Custom Vocabulary Integration, partOf, Custom Vocabulary Integration>
+<Dialect Recognition, outputs, Sentiment Analysis in Translation>
+<Domain_Specific Translation Models, adapts, Noise Reduction for Speech Input>
+<Emotion Detection in Speech, connectedTo, Consecutive Interpretation>
+<Emotion Detection in Speech, partOf, Emotion Detection in Speech>
+<Glossary Management, connectedTo, Dialect Recognition>
+<Glossary Management, partOf, Glossary Management>
+<Language Detection, connectedTo, Glossary Management>
+<Language Detection, partOf, Language Detection>
+<Low_Latency Processing, converts, Contextual Understanding>
+<Machine Translation Engine, connectedTo, Emotion Detection in Speech>
+<Machine Translation Engine, partOf, Machine Translation Engine>
+<Meeting Translation Systems, connectedTo, Domain_Specific Translation Models>
+<Meeting Translation Systems, connectedTo, Live Event Translation>
+<Meeting Translation Systems, connectedTo, Noise Reduction for Speech Input>
+<Meeting Translation Systems, connectedTo, Social Media Translation>
+<Noise Reduction for Speech Input, connectedTo, Low_Latency Processing>
+<Offline Translation Capabilities, connectedTo, Text_to_Speech Synthesis>
+<Pronunciation Correction, connectedTo, Domain_Specific Translation Models>
+<Pronunciation Correction, connectedTo, Live Event Translation>
+<Pronunciation Correction, connectedTo, Meeting Translation Systems>
+<Pronunciation Correction, connectedTo, Speaker Diarization>
+<Pronunciation Correction, understands, Domain_Specific Translation Models>
+<Real_Time Document Translation, connectedTo, Meeting Translation Systems>
+<Sentiment Analysis in Translation, connectedTo, Domain_Specific Translation Models>
+<Sentiment Analysis in Translation, connectedTo, Machine Translation Engine>
+<Social Media Translation, connectedTo, Domain_Specific Translation Models>
+<Social Media Translation, researches, Dialect Recognition>
+<Speaker Diarization, connectedTo, Real_Time Document Translation>
+<Speaker Diarization, filters, Tone Recognition>
+<Text_to_Speech Synthesis, connectedTo, Domain_Specific Translation Models>
+<Text_to_Speech Synthesis, connectedTo, Low_Latency Processing>
+<Text_to_Speech Synthesis, connectedTo, Meeting Translation Systems>
+<Text_to_Speech Synthesis, connectedTo, Noise Reduction for Speech Input>
+<Text_to_Speech Synthesis, connectedTo, Pronunciation Correction>
+<Tone Recognition, connectedTo, Language Detection>
+<Tone Recognition, partOf, Tone Recognition>
diff --git a/train/graphviz/hard/graphviz_709.dot b/train/graphviz/hard/graphviz_709.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2879ba6528d8c2edbb4bff03972757db03ebf52a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_709.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=LR
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diff --git a/train/graphviz/hard/graphviz_709.txt b/train/graphviz/hard/graphviz_709.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91de2d0a64ae378187ae9efee9b30f27d45adc04
--- /dev/null
+++ b/train/graphviz/hard/graphviz_709.txt
@@ -0,0 +1,32 @@
+<3D Modeling from Drone Data, connectedTo, Counter_Drone Systems>
+<3D Modeling from Drone Data, connectedTo, Delivery Services>
+<3D Modeling from Drone Data, connectedTo, Drone Design>
+<3D Modeling from Drone Data, licenses, Mapping and Surveying>
+<3D Modeling from Drone Data, sprays, Remote Piloting Training>
+<Aerial Photography, connectedTo, Security Surveillance>
+<Aerial Photography, designs, Counter_Drone Systems>
+<Autonomous Flight, connectedTo, Drone Design>
+<Autonomous Flight, partOf, Autonomous Flight>
+<Battery Management System, connectedTo, Delivery Services>
+<Battery Management System, connectedTo, Mapping and Surveying>
+<Communication Systems, maintains, Autonomous Flight>
+<Communication Systems, partOf, Communication Systems>
+<Counter_Drone Systems, connectedTo, Inspection>
+<Data Processing from Drones, connectedTo, Videography>
+<Delivery Services, connectedTo, Aerial Photography>
+<Drone Data Security, connectedTo, Endurance Optimization>
+<Drone Design, connectedTo, Data Processing from Drones>
+<Drone Design, connectedTo, Inspection>
+<Drone Design, connectedTo, Search and Rescue Operations>
+<Drone Design, visualizes, Delivery Services>
+<Endurance Optimization, connectedTo, 3D Modeling from Drone Data>
+<Endurance Optimization, connectedTo, Delivery Services>
+<Inspection, connectedTo, Data Processing from Drones>
+<Mapping and Surveying, connectedTo, Drone Design>
+<Propeller Design, connectedTo, Data Processing from Drones>
+<Propeller Design, partOf, Propeller Design>
+<Remote Piloting Training, connectedTo, Battery Management System>
+<Search and Rescue Operations, connectedTo, Propeller Design>
+<Search and Rescue Operations, partOf, Search and Rescue Operations>
+<Security Surveillance, connectedTo, Communication Systems>
+<Security Surveillance, partOf, Security Surveillance>
diff --git a/train/graphviz/hard/graphviz_710.dot b/train/graphviz/hard/graphviz_710.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c634a70518e1aceff57b8f5947351117ca5efda9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_710.dot
@@ -0,0 +1,69 @@
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diff --git a/train/graphviz/hard/graphviz_713.txt b/train/graphviz/hard/graphviz_713.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cd9dd3b4f1816f9e6bdbbdd4f2b5a1002e5603a3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_713.txt
@@ -0,0 +1,36 @@
+<Adaptive Cruise Control, connectedTo, Ethical Decision_Making>
+<Adaptive Cruise Control, connectedTo, Fleet Management>
+<Battery Management for EVs, connectedTo, Regulatory Compliance>
+<Battery Management for EVs, partOf, Battery Management for EVs>
+<Decision_Making Algorithms, connectedTo, Human_Machine Interface>
+<Decision_Making Algorithms, partOf, Decision_Making Algorithms>
+<Driver Monitoring Systems, connectedTo, Battery Management for EVs>
+<Driver Monitoring Systems, partOf, Driver Monitoring Systems>
+<Fail_Safe Systems, connectedTo, Pedestrian Detection>
+<Fleet Management, connectedTo, Decision_Making Algorithms>
+<Fleet Management, partOf, Fleet Management>
+<Human_Machine Interface, connectedTo, Motion Control>
+<Human_Machine Interface, partOf, Human_Machine Interface>
+<Map Data Management, connectedTo, Adaptive Cruise Control>
+<Map Data Management, connectedTo, Driver Monitoring Systems>
+<Map Data Management, connectedTo, Parking Assistance Systems>
+<Motion Control, connectedTo, Ethical Decision_Making>
+<Motion Control, connectedTo, Map Data Management>
+<Motion Control, connectedTo, Parking Assistance Systems>
+<Parking Assistance Systems, connectedTo, Adaptive Cruise Control>
+<Pedestrian Detection, connectedTo, Ethical Decision_Making>
+<Pedestrian Detection, connectedTo, Software Development>
+<Perception System, connectedTo, Ethical Decision_Making>
+<Perception System, connectedTo, Sensor Integration>
+<Public Acceptance and Trust, complies, Software Development>
+<Public Acceptance and Trust, connectedTo, Adaptive Cruise Control>
+<Public Acceptance and Trust, connectedTo, Parking Assistance Systems>
+<Public Acceptance and Trust, connectedTo, Pedestrian Detection>
+<Public Acceptance and Trust, connectedTo, Perception System>
+<Regulatory Compliance, connectedTo, Parking Assistance Systems>
+<Regulatory Compliance, partOf, Regulatory Compliance>
+<Sensor Integration, connectedTo, Fail_Safe Systems>
+<Sensor Integration, senses, Ethical Decision_Making>
+<Simulation and Testing, connectedTo, Motion Control>
+<Software Development, connectedTo, Ethical Decision_Making>
+<Software Development, connectedTo, Simulation and Testing>
diff --git a/train/graphviz/hard/graphviz_715.dot b/train/graphviz/hard/graphviz_715.dot
new file mode 100644
index 0000000000000000000000000000000000000000..487f96e27da79de7449332824044a21d6201b132
--- /dev/null
+++ b/train/graphviz/hard/graphviz_715.dot
@@ -0,0 +1,67 @@
+digraph {
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+	N12 -> N13 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N13 -> N14 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	N5 -> nest0_0 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N7 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	N2 -> nest1_0 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N9 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
+	N6 -> S0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	S1 -> N9 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N6 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> M1 [color="#82DAFF" dir=forward penwidth=1.5 style=solid]
+	N10 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N12 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_716.txt b/train/graphviz/hard/graphviz_716.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f892db1c885bc5bc1a78df9bda2537f645bbaea6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_716.txt
@@ -0,0 +1,37 @@
+<Adaptive Cruise Control, connectedTo, Cloud Connectivity for AVs>
+<Adaptive Cruise Control, connectedTo, Hardware Design>
+<Battery Management for EVs, connectedTo, Vehicle_to_Infrastructure Communication>
+<Cloud Connectivity for AVs, connectedTo, Public Acceptance and Trust>
+<Cybersecurity for AVs, connectedTo, Decision_Making Algorithms>
+<Cybersecurity for AVs, connectedTo, Sensor Integration>
+<Decision_Making Algorithms, connectedTo, Adaptive Cruise Control>
+<Decision_Making Algorithms, connectedTo, Cloud Connectivity for AVs>
+<Decision_Making Algorithms, connectedTo, Human_Machine Interface>
+<Decision_Making Algorithms, connectedTo, Public Acceptance and Trust>
+<Driver Monitoring Systems, connectedTo, Map Data Management>
+<Driver Monitoring Systems, partOf, Driver Monitoring Systems>
+<Fleet Management, connectedTo, Simulation and Testing>
+<Fleet Management, partOf, Fleet Management>
+<Hardware Design, connectedTo, Lane Keeping Assist>
+<Hardware Design, partOf, Hardware Design>
+<Human_Machine Interface, connectedTo, Adaptive Cruise Control>
+<Human_Machine Interface, connectedTo, Public Acceptance and Trust>
+<Lane Keeping Assist, connectedTo, Fleet Management>
+<Lane Keeping Assist, partOf, Lane Keeping Assist>
+<Map Data Management, connectedTo, Decision_Making Algorithms>
+<Map Data Management, partOf, Map Data Management>
+<Perception System, connectedTo, Battery Management for EVs>
+<Perception System, connectedTo, Traffic Sign Recognition>
+<Redundancy in Sensors, connectedTo, Driver Monitoring Systems>
+<Redundancy in Sensors, partOf, Redundancy in Sensors>
+<Sensor Integration, connectedTo, Redundancy in Sensors>
+<Sensor Integration, partOf, Sensor Integration>
+<Simulation Environment Development, connectedTo, Adaptive Cruise Control>
+<Simulation Environment Development, connectedTo, Battery Management for EVs>
+<Simulation Environment Development, connectedTo, Perception System>
+<Simulation and Testing, connectedTo, Cybersecurity for AVs>
+<Simulation and Testing, partOf, Simulation and Testing>
+<Traffic Sign Recognition, connectedTo, Battery Management for EVs>
+<Traffic Sign Recognition, connectedTo, Cloud Connectivity for AVs>
+<Traffic Sign Recognition, connectedTo, Public Acceptance and Trust>
+<Vehicle_to_Infrastructure Communication, connectedTo, Cybersecurity for AVs>
diff --git a/train/graphviz/hard/graphviz_717.txt b/train/graphviz/hard/graphviz_717.txt
new file mode 100644
index 0000000000000000000000000000000000000000..708a54cde5b9b29fdb073fdd75ab1a20c28676be
--- /dev/null
+++ b/train/graphviz/hard/graphviz_717.txt
@@ -0,0 +1,45 @@
+<Accident Reconstruction for AVs, connectedTo, Localization and Mapping>
+<Accident Reconstruction for AVs, partOf, Accident Reconstruction for AVs>
+<Automatic Emergency Braking, connectedTo, Localization and Mapping>
+<Charging Infrastructure, informs, Parking Assistance Systems>
+<Charging Infrastructure, partOf, Charging Infrastructure>
+<Cybersecurity for AVs, connectedTo, Localization and Mapping>
+<Cybersecurity for AVs, connectedTo, Object Detection and Classification>
+<Cybersecurity for AVs, connectedTo, Parking Assistance Systems>
+<Edge Computing for AVs, connectedTo, Localization and Mapping>
+<Edge Computing for AVs, connectedTo, Remote Operation Capability>
+<Ethical Decision_Making, connectedTo, Simulation Environment Development>
+<Ethical Decision_Making, partOf, Ethical Decision_Making>
+<Fail_Safe Systems, connectedTo, Perception System>
+<Lane Keeping Assist, connectedTo, Cybersecurity for AVs>
+<Map Data Management, connectedTo, Accident Reconstruction for AVs>
+<Map Data Management, partOf, Map Data Management>
+<Motion Control, connectedTo, Automatic Emergency Braking>
+<Motion Control, connectedTo, Localization and Mapping>
+<Motion Control, connectedTo, Software Development>
+<Motion Control, monitors, Remote Operation Capability>
+<Object Detection and Classification, connectedTo, Over_the_Air Updates>
+<Object Detection and Classification, partOf, Object Detection and Classification>
+<Over_the_Air Updates, connectedTo, Traffic Sign Recognition>
+<Over_the_Air Updates, partOf, Over_the_Air Updates>
+<Parking Assistance Systems, connectedTo, Fail_Safe Systems>
+<Parking Assistance Systems, connectedTo, Localization and Mapping>
+<Parking Assistance Systems, connectedTo, Redundancy in Sensors>
+<Perception System, connectedTo, Redundancy in Sensors>
+<Predictive Maintenance, connectedTo, Localization and Mapping>
+<Predictive Maintenance, connectedTo, Motion Control>
+<Predictive Maintenance, transports, Remote Operation Capability>
+<Redundancy in Sensors, connectedTo, Automatic Emergency Braking>
+<Remote Operation Capability, connectedTo, Automatic Emergency Braking>
+<Remote Operation Capability, connectedTo, Cybersecurity for AVs>
+<Remote Operation Capability, connectedTo, Lane Keeping Assist>
+<Remote Operation Capability, connectedTo, Localization and Mapping>
+<Remote Operation Capability, connectedTo, Redundancy in Sensors>
+<Sensor Integration, validates, Predictive Maintenance>
+<Simulation Environment Development, connectedTo, Map Data Management>
+<Simulation Environment Development, partOf, Simulation Environment Development>
+<Software Development, connectedTo, Edge Computing for AVs>
+<Software Development, connectedTo, Ethical Decision_Making>
+<Software Development, connectedTo, Remote Operation Capability>
+<Traffic Sign Recognition, connectedTo, Charging Infrastructure>
+<Traffic Sign Recognition, partOf, Traffic Sign Recognition>
diff --git a/train/graphviz/hard/graphviz_718.dot b/train/graphviz/hard/graphviz_718.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c5d8c7a6f6b1e8a6771db4146134d5a3fb2dbeed
--- /dev/null
+++ b/train/graphviz/hard/graphviz_718.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=LR
+	N0 [label="Edge Computing for AVs" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N1 [label="Hardware Design" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N2 [label="Lane Keeping Assist" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N3 [label="Redundancy in Sensors" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N4 [label="Map Data Management" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N5 [label="Data Collection and Annotation" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N6 [label="Path Planning" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+	N7 [label="Public Acceptance and Trust" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N8 [label="Vehicle_to_Vehicle Communication" color="#E0E0E0" fillcolor="#EBEBEB" shape=plaintext style=filled]
+	N9 [label="Insurance Models for AVs" color="#F44336" fillcolor="#FFCDD2" shape=Mdiamond style=filled]
+	N10 [label="Driver Monitoring Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N11 [label="Remote Operation Capability" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	S0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Sensor Integration" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+		nest0_1 [label="Software Development" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+		nest0_2 [label="Fleet Management" color="#FFE69C" fillcolor="#FFF9D4" shape=plaintext style=filled]
+		nest0_3 [label="Accident Reconstruction for AVs" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Pedestrian Detection" color="#E0E0E0" fillcolor="#EBEBEB" shape=plaintext style=filled]
+		nest1_1 [label="Human_Machine Interface" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest1_2 [label="Over_the_Air Updates" color="#FFE69C" fillcolor="#FFF9D4" shape=Mdiamond style=filled]
+		nest1_3 [label="Vehicle_to_Infrastructure Communication" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [label=routes color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#F44336" dir=forward penwidth=1.5 style=solid]
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+	N3 -> N4 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=validates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
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+	N8 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_3 -> N3 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest1_0 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N7 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S0 [color="#F44336" dir=forward penwidth=1.5 style=solid]
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+	S0 -> N9 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
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+	N2 -> S1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
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+	S1 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
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+	N7 -> M1 [label=operates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> M1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_72.dot b/train/graphviz/hard/graphviz_72.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3865d7580eb84995224bb7db8ed8a7fa69ef0207
--- /dev/null
+++ b/train/graphviz/hard/graphviz_72.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=TD
+	N0 [label="Rail Transport Coordination" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N1 [label="Supply Chain Visibility" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N2 [label="Fleet Maintenance Scheduling" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+	N3 [label="Route Optimization Software" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N4 [label="Customs Clearance" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N5 [label="Freight Booking" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N6 [label=Consolidation color="#90A4AE" fillcolor="#ECEFF1" shape=oval style=filled]
+	N7 [label="Hazardous Material Transport" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N8 [label="Pallet Stacking" color="#90A4AE" fillcolor="#ECEFF1" shape=octagon style=filled]
+	N9 [label="Pickup Request" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N10 [label="Cargo Tracking" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N11 [label="Yard Management" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N12 [label="Ocean Freight Management" color="#90A4AE" fillcolor="#ECEFF1" shape=folder style=filled]
+	N13 [label="Container Loading" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N14 [label="Delivery Confirmation" color="#90A4AE" fillcolor="#ECEFF1" shape=Mdiamond style=filled]
+	N15 [label="Delay Notification" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N16 [label="Packing Process" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	S0 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFF9AE" fillcolor="#FFFCE6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Air Cargo Handling" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label=Deconsolidation color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+		nest0_1 [label="Demand Forecasting Integration" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+		nest0_2 [label="Hub Transfer" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Last_mile Dispatch" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+		nest1_1 [label="Order Picking" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest1_2 [label="Route Assignment" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+		nest1_0 -> nest1_1 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#F44336" dir=forward penwidth=1.5 style=solid]
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+	N4 -> N5 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
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+	N15 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> nest0_0 [label=loads color="#FFF9AE" dir=forward penwidth=1.5 style=solid]
+	nest0_2 -> N5 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N15 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N15 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N11 -> S0 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S0 -> N13 [color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [label="checks in" color="#FFF9AE" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M1 [label=notifies color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N11 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+	N9 -> nest0_2 [color="#90A4AE" dir=forward penwidth=1.5 style=solid]
+	N13 -> N15 [color="#90A4AE" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_722.txt b/train/graphviz/hard/graphviz_722.txt
new file mode 100644
index 0000000000000000000000000000000000000000..185c9ced2a71674420038ad5ff78356ff66eca98
--- /dev/null
+++ b/train/graphviz/hard/graphviz_722.txt
@@ -0,0 +1,39 @@
+<Accessibility for Users, connectedTo, Insurance Models>
+<Accessibility for Users, connectedTo, Smart City Integration>
+<Accessibility for Users, educates, Scooter_sharing Services>
+<Data Analytics for Usage Patterns, connectedTo, Micro_mobility Management>
+<Demand Prediction, connectedTo, Data Analytics for Usage Patterns>
+<Demand Prediction, connectedTo, Insurance Models>
+<Driver Management, connectedTo, Parking Integration>
+<Fraud Prevention, connectedTo, Vehicle Location Tracking>
+<Fraud Prevention, partOf, Fraud Prevention>
+<Geofencing for Operations, connectedTo, Platform Development>
+<Geofencing for Operations, partOf, Geofencing for Operations>
+<Insurance Models, connectedTo, Autonomous Shared Vehicles>
+<Micro_mobility Management, connectedTo, Payment Processing>
+<Parking Integration, connectedTo, Accessibility for Users>
+<Parking Integration, connectedTo, Data Analytics for Usage Patterns>
+<Parking Integration, connectedTo, Route Optimization>
+<Parking Integration, connectedTo, Smart City Integration>
+<Payment Processing, connectedTo, Insurance Models>
+<Platform Development, connectedTo, Accessibility for Users>
+<Platform Development, partOf, Platform Development>
+<Policy Advocacy for Shared Mobility, connectedTo, User Registration>
+<Route Optimization, connectedTo, Autonomous Shared Vehicles>
+<Route Optimization, connectedTo, Smart City Integration>
+<Route Optimization, innovates, Data Analytics for Usage Patterns>
+<Route Optimization, integrates, Accessibility for Users>
+<Route Optimization, registers, Micro_mobility Management>
+<Scooter_sharing Services, connectedTo, Insurance Models>
+<Scooter_sharing Services, connectedTo, Smart City Integration>
+<Scooter_sharing Services, connectedTo, Ticketing and Fare Collection>
+<Smart City Integration, connectedTo, Payment Processing>
+<Smart City Integration, connectedTo, Vehicle Rebalancing>
+<Smart City Integration, promotes, Insurance Models>
+<Sustainability Initiatives, connectedTo, Driver Management>
+<Ticketing and Fare Collection, connectedTo, Fraud Prevention>
+<Ticketing and Fare Collection, partOf, Ticketing and Fare Collection>
+<User Registration, connectedTo, Vehicle Location Tracking>
+<Vehicle Location Tracking, connectedTo, Geofencing for Operations>
+<Vehicle Location Tracking, drives, Sustainability Initiatives>
+<Vehicle Rebalancing, connectedTo, Demand Prediction>
diff --git a/train/graphviz/hard/graphviz_723.txt b/train/graphviz/hard/graphviz_723.txt
new file mode 100644
index 0000000000000000000000000000000000000000..318afe698127d83fcbb65f73298f713fa00b9175
--- /dev/null
+++ b/train/graphviz/hard/graphviz_723.txt
@@ -0,0 +1,35 @@
+<Accessibility for Users, connectedTo, Geofencing for Operations>
+<Accessibility for Users, connectedTo, User Registration>
+<Autonomous Shared Vehicles, connectedTo, User Rating and Feedback Systems>
+<Autonomous Shared Vehicles, connectedTo, Vehicle Location Tracking>
+<Autonomous Shared Vehicles, develops, Geofencing for Operations>
+<Bike_sharing Services, connectedTo, Vehicle Location Tracking>
+<Bike_sharing Services, partOf, Bike_sharing Services>
+<Customer Support, connectedTo, Vehicle Location Tracking>
+<Demand Prediction, connectedTo, Customer Support>
+<Demand Prediction, connectedTo, Vehicle Location Tracking>
+<Driver Management, connectedTo, Micro_mobility Management>
+<Driver Management, partOf, Driver Management>
+<Geofencing for Operations, connectedTo, Demand Prediction>
+<Micro_mobility Management, connectedTo, Bike_sharing Services>
+<Micro_mobility Management, partOf, Micro_mobility Management>
+<Parking Integration, connectedTo, Sustainability Initiatives>
+<Parking Integration, partOf, Parking Integration>
+<Public Transit Integration, connectedTo, Sustainability Initiatives>
+<Public_Private Partnerships, connectedTo, Geofencing for Operations>
+<Sustainability Initiatives, connectedTo, Fraud Prevention>
+<User Onboarding, authenticates, Geofencing for Operations>
+<User Onboarding, connectedTo, Autonomous Shared Vehicles>
+<User Onboarding, connectedTo, Demand Prediction>
+<User Onboarding, connectedTo, Fraud Prevention>
+<User Onboarding, connectedTo, User Rating and Feedback Systems>
+<User Rating and Feedback Systems, connectedTo, Public_Private Partnerships>
+<User Registration, connectedTo, User Onboarding>
+<User Registration, connectedTo, Vehicle Booking>
+<User Registration, connectedTo, Vehicle Rebalancing>
+<User Registration, integrates, Geofencing for Operations>
+<Vehicle Booking, partOf, Vehicle Booking>
+<Vehicle Booking, verifies, Driver Management>
+<Vehicle Location Tracking, connectedTo, Public Transit Integration>
+<Vehicle Rebalancing, connectedTo, Parking Integration>
+<Vehicle Rebalancing, partOf, Vehicle Rebalancing>
diff --git a/train/graphviz/hard/graphviz_724.dot b/train/graphviz/hard/graphviz_724.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5f88b3f6eeef37fe40b06e88bf070d2f64147bf4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_724.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=TD
+	N0 [label="Vehicle Rebalancing" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Passenger Safety Protocols" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N2 [label="Payment Processing" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N3 [label="Parking Integration" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N4 [label="Route Optimization" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N5 [label="Driver Management" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N6 [label="User Onboarding" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N7 [label="Ticketing and Fare Collection" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N8 [label="Bike_sharing Services" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
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+	N10 [label="Regulatory Compliance" color="#DCE775" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+	N11 [label="Fraud Prevention" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N12 [label="Policy Advocacy for Shared Mobility" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N13 [label="Sustainability Initiatives" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N14 [label="Scooter_sharing Services" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#DCE775" fillcolor="#F9FBE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#ECEFF1" fontname=Helvetica fontsize=10 label="Subscription Model Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
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+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Public Transit Integration" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Micro_mobility Management" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+		nest1_1 [label="Vehicle Location Tracking" color="#DCE775" fillcolor="#F9FBE7" shape=octagon style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
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+	N10 -> N11 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest0_0 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> nest1_0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	nest1_1 -> N4 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	S0 -> N10 [label=authenticates color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#61CAC3" dir=forward penwidth=1.5 style=dashed]
+	N4 -> S1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S1 -> N13 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S2 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N13 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [label=manages color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N4 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [label=registers color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#61CAC3" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_724.txt b/train/graphviz/hard/graphviz_724.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1534b14f9daab413d8274dbb1f828a390d89f3fa
--- /dev/null
+++ b/train/graphviz/hard/graphviz_724.txt
@@ -0,0 +1,35 @@
+<Bike_sharing Services, connectedTo, First_Mile or Last_Mile Solutions>
+<Driver Management, authenticates, Regulatory Compliance>
+<Driver Management, connectedTo, Sustainability Initiatives>
+<Driver Management, connectedTo, User Onboarding>
+<First_Mile or Last_Mile Solutions, connectedTo, Regulatory Compliance>
+<Fraud Prevention, connectedTo, Micro_mobility Management>
+<Fraud Prevention, connectedTo, Policy Advocacy for Shared Mobility>
+<Geofencing for Operations, connectedTo, Maintenance Scheduling>
+<Geofencing for Operations, partOf, Geofencing for Operations>
+<Maintenance Scheduling, connectedTo, Policy Advocacy for Shared Mobility>
+<Maintenance Scheduling, partOf, Maintenance Scheduling>
+<Micro_mobility Management, connectedTo, Vehicle Location Tracking>
+<Micro_mobility Management, partOf, Micro_mobility Management>
+<Parking Integration, connectedTo, Route Optimization>
+<Parking Integration, registers, Driver Management>
+<Passenger Safety Protocols, connectedTo, Payment Processing>
+<Passenger Safety Protocols, connectedTo, Policy Advocacy for Shared Mobility>
+<Passenger Safety Protocols, connectedTo, Route Optimization>
+<Passenger Safety Protocols, connectedTo, Sustainability Initiatives>
+<Passenger Safety Protocols, manages, Bike_sharing Services>
+<Payment Processing, connectedTo, Driver Management>
+<Payment Processing, connectedTo, Parking Integration>
+<Policy Advocacy for Shared Mobility, connectedTo, Sustainability Initiatives>
+<Regulatory Compliance, connectedTo, Fraud Prevention>
+<Route Optimization, connectedTo, Driver Management>
+<Route Optimization, connectedTo, Geofencing for Operations>
+<Route Optimization, connectedTo, Scooter_sharing Services>
+<Route Optimization, connectedTo, Sustainability Initiatives>
+<Sustainability Initiatives, connectedTo, Scooter_sharing Services>
+<Ticketing and Fare Collection, connectedTo, Bike_sharing Services>
+<User Onboarding, connectedTo, Ticketing and Fare Collection>
+<Vehicle Location Tracking, connectedTo, Route Optimization>
+<Vehicle Location Tracking, partOf, Vehicle Location Tracking>
+<Vehicle Rebalancing, connectedTo, Driver Management>
+<Vehicle Rebalancing, connectedTo, Passenger Safety Protocols>
diff --git a/train/graphviz/hard/graphviz_726.dot b/train/graphviz/hard/graphviz_726.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c360016d2597e986b88a70e8f0b45dfafbf0ad18
--- /dev/null
+++ b/train/graphviz/hard/graphviz_726.dot
@@ -0,0 +1,88 @@
+digraph {
+	rankdir=TD
+	N0 [label="Vehicle Booking" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N1 [label="Supply_Demand Balancing" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N2 [label="Platform Development" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N3 [label="User Onboarding" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N4 [label="Customer Support" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N5 [label="Policy Advocacy for Shared Mobility" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N6 [label="Fleet Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=parallelogram style=filled]
+	N7 [label="Ride_sharing Services" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N8 [label="Public_Private Partnerships" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+	N9 [label="Driver Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N10 [label="Vehicle Location Tracking" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N11 [label="Regulatory Compliance" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N12 [label="Geofencing for Operations" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N13 [label="Parking Integration" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N14 [label="Smart City Integration" color="#CD8FF2" fillcolor="#ECCFF5" shape=Mdiamond style=filled]
+	N15 [label="Passenger Safety Protocols" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N16 [label="User Registration" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N17 [label="Demand Prediction" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N18 [label="Insurance Models" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	S0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph cluster_Group0 {
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+		nest0_0 [label="Autonomous Shared Vehicles" color="#DCE775" fillcolor="#F9FBE7" shape=Mdiamond style=filled]
+		nest0_1 [label="Charging or Refueling Logistics" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Fraud Prevention" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Bike_sharing Services" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+		nest1_1 [label="Route Optimization" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+		nest1_2 [label="Micro_mobility Management" color="#9C27B0" fillcolor="#E1BEE7" shape=Mdiamond style=filled]
+		nest1_3 [label="First_Mile or Last_Mile Solutions" color="#CD8FF2" fillcolor="#ECCFF5" shape=box style=filled]
+		nest1_0 -> nest1_1 [label=routes color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [label=tracks color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N16 -> N17 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N17 -> N18 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N11 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N15 -> nest1_0 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N5 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N18 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#CD8FF2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N16 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N12 -> S2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S2 -> N14 [color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	S2 -> N17 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	S2 -> N15 [label=authenticates color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	S2 -> N18 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N9 -> M0 [color="#CD8FF2" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [label=charges color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N14 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N18 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [label=educates color="#9C27B0" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	M1 -> N5 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_726.txt b/train/graphviz/hard/graphviz_726.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2a41f0cadc2e7eede7b111ec179376b74114abf6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_726.txt
@@ -0,0 +1,47 @@
+<Autonomous Shared Vehicles, connectedTo, Charging or Refueling Logistics>
+<Autonomous Shared Vehicles, partOf, Autonomous Shared Vehicles>
+<Bike_sharing Services, partOf, Bike_sharing Services>
+<Bike_sharing Services, routes, Route Optimization>
+<Charging or Refueling Logistics, connectedTo, Parking Integration>
+<Charging or Refueling Logistics, partOf, Charging or Refueling Logistics>
+<Customer Support, connectedTo, Policy Advocacy for Shared Mobility>
+<Demand Prediction, connectedTo, Insurance Models>
+<Driver Management, connectedTo, Insurance Models>
+<Driver Management, connectedTo, Vehicle Location Tracking>
+<First_Mile or Last_Mile Solutions, connectedTo, Policy Advocacy for Shared Mobility>
+<First_Mile or Last_Mile Solutions, partOf, First_Mile or Last_Mile Solutions>
+<Fleet Management, connectedTo, Driver Management>
+<Fleet Management, connectedTo, Ride_sharing Services>
+<Fleet Management, connectedTo, User Registration>
+<Geofencing for Operations, authenticates, Passenger Safety Protocols>
+<Geofencing for Operations, connectedTo, Demand Prediction>
+<Geofencing for Operations, connectedTo, Insurance Models>
+<Geofencing for Operations, connectedTo, Parking Integration>
+<Geofencing for Operations, connectedTo, Smart City Integration>
+<Micro_mobility Management, partOf, Micro_mobility Management>
+<Micro_mobility Management, tracks, First_Mile or Last_Mile Solutions>
+<Parking Integration, connectedTo, Smart City Integration>
+<Passenger Safety Protocols, connectedTo, Bike_sharing Services>
+<Passenger Safety Protocols, connectedTo, User Registration>
+<Platform Development, connectedTo, User Onboarding>
+<Platform Development, educates, Policy Advocacy for Shared Mobility>
+<Policy Advocacy for Shared Mobility, connectedTo, Fleet Management>
+<Policy Advocacy for Shared Mobility, connectedTo, Insurance Models>
+<Policy Advocacy for Shared Mobility, connectedTo, Public_Private Partnerships>
+<Public_Private Partnerships, connectedTo, Driver Management>
+<Regulatory Compliance, connectedTo, Autonomous Shared Vehicles>
+<Regulatory Compliance, connectedTo, Geofencing for Operations>
+<Ride_sharing Services, charges, Insurance Models>
+<Ride_sharing Services, connectedTo, Public_Private Partnerships>
+<Route Optimization, connectedTo, Micro_mobility Management>
+<Route Optimization, partOf, Route Optimization>
+<Smart City Integration, connectedTo, Insurance Models>
+<Smart City Integration, connectedTo, Passenger Safety Protocols>
+<Supply_Demand Balancing, connectedTo, Platform Development>
+<Supply_Demand Balancing, connectedTo, Policy Advocacy for Shared Mobility>
+<User Onboarding, connectedTo, Customer Support>
+<User Onboarding, connectedTo, Policy Advocacy for Shared Mobility>
+<User Registration, connectedTo, Demand Prediction>
+<Vehicle Booking, connectedTo, Policy Advocacy for Shared Mobility>
+<Vehicle Booking, connectedTo, Supply_Demand Balancing>
+<Vehicle Location Tracking, connectedTo, Regulatory Compliance>
diff --git a/train/graphviz/hard/graphviz_728.dot b/train/graphviz/hard/graphviz_728.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c6d95b04ebb95e70a97ca4c51f74d87400902798
--- /dev/null
+++ b/train/graphviz/hard/graphviz_728.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=LR
+	N0 [label="User Rating and Feedback Systems" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
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+	subgraph cluster_Group0 {
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+		nest0_0 [label="Bike_sharing Services" color="#C2B2F0" fillcolor="#EFE6FF" shape=oval style=filled]
+		nest0_1 [label="Subscription Model Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+		nest0_2 [label="Public_Private Partnerships" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Route Optimization" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Driver Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+		nest1_1 [label="Vehicle Rebalancing" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+		nest1_2 [label="Car_sharing Services" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#00BCD4" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#00BCD4" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [label=regulates color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N3 -> nest0_0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	nest0_2 -> N8 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest1_0 [label=drives color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N9 [color="#C2B2F0" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [label=maintains color="#000000" dir=forward penwidth=1.5 style=solid]
+	S0 -> N11 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S1 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M0 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#C2B2F0" dir=forward penwidth=1.5 style=dashed]
+	N7 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N9 [color="#F7BEE0" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_729.txt b/train/graphviz/hard/graphviz_729.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff2a6e05d7e6ca5e41cde5b2a093cb76aa8f9cb3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_729.txt
@@ -0,0 +1,46 @@
+<Access Control Systems, connectedTo, Security Surveillance>
+<Access Control Systems, connectedTo, Smart City Integration for Parking>
+<Automated Payment, connectedTo, Event Parking Management>
+<Automated Payment, connectedTo, Integration with Navigation Apps>
+<Automated Payment, connectedTo, Ticketing System Integration>
+<Automated Payment, connectedTo, Vacancy Monitoring>
+<Automated Payment, guides, Billing and Reconciliation>
+<Automated Payment, identifies, Barrier Gate Control>
+<Barrier Gate Control, connectedTo, Enforcement and Fines Management>
+<Barrier Gate Control, connectedTo, User Experience Design for Apps>
+<Billing and Reconciliation, connectedTo, Access Control Systems>
+<Cloud_based Parking Platforms, connectedTo, Security Surveillance>
+<Cloud_based Parking Platforms, connectedTo, Ticketing System Integration>
+<Cloud_based Parking Platforms, connectedTo, Vacancy Monitoring>
+<Cloud_based Parking Platforms, filters, User Experience Design for Apps>
+<Cloud_based Parking Platforms, manages, Barrier Gate Control>
+<Customer Support, connectedTo, Valet Parking Automation>
+<Edge Computing for Parking Data, connectedTo, Valet Parking Automation>
+<Edge Computing for Parking Data, partOf, Edge Computing for Parking Data>
+<Enforcement and Fines Management, connectedTo, Fleet Parking Solutions>
+<Enforcement and Fines Management, partOf, Enforcement and Fines Management>
+<Event Parking Management, connectedTo, Vacancy Monitoring>
+<Event Parking Management, reserves, Billing and Reconciliation>
+<Fleet Parking Solutions, connectedTo, License Plate Recognition>
+<Fleet Parking Solutions, partOf, Fleet Parking Solutions>
+<Integration with Navigation Apps, connectedTo, Violation Detection>
+<Integration with Navigation Apps, partOf, Integration with Navigation Apps>
+<License Plate Recognition, connectedTo, Billing and Reconciliation>
+<License Plate Recognition, partOf, License Plate Recognition>
+<Navigation to Open Space, connectedTo, Billing and Reconciliation>
+<Navigation to Open Space, connectedTo, Reservations System>
+<Navigation to Open Space, connectedTo, User Experience Design for Apps>
+<Navigation to Open Space, connectedTo, Vacancy Monitoring>
+<Off_Street Parking Management, connectedTo, Automated Payment>
+<Off_Street Parking Management, connectedTo, Cloud_based Parking Platforms>
+<Reservations System, connectedTo, Cloud_based Parking Platforms>
+<Reservations System, connectedTo, Customer Support>
+<Security Surveillance, connectedTo, Vacancy Monitoring>
+<Smart City Integration for Parking, connectedTo, Cloud_based Parking Platforms>
+<Smart City Integration for Parking, connectedTo, Security Surveillance>
+<Ticketing System Integration, connectedTo, Security Surveillance>
+<Vacancy Monitoring, connectedTo, Barrier Gate Control>
+<Valet Parking Automation, connectedTo, Off_Street Parking Management>
+<Valet Parking Automation, designs, Vacancy Monitoring>
+<Violation Detection, partOf, Violation Detection>
+<Violation Detection, predicts, Edge Computing for Parking Data>
diff --git a/train/graphviz/hard/graphviz_730.dot b/train/graphviz/hard/graphviz_730.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e7abe79db08bca8752a2b844f2a49ba243651cae
--- /dev/null
+++ b/train/graphviz/hard/graphviz_730.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=RL
+	N0 [label="Space Detection" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N1 [label="Access Control Systems" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N2 [label="Barrier Gate Control" color="#81C784" fillcolor="#F1F8E9" shape=Mdiamond style=filled]
+	N3 [label="Enforcement and Fines Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N4 [label="Vacancy Monitoring" color="#FFCC7A" fillcolor="#FFF6D9" shape=plaintext style=filled]
+	N5 [label="Real_Time Information Display" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N6 [label="Reservations System" color="#81C784" fillcolor="#F1F8E9" shape=plaintext style=filled]
+	N7 [label="Edge Computing for Parking Data" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N8 [label="License Plate Recognition" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N9 [label="Revenue Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=octagon style=filled]
+	N10 [label="Security Surveillance" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	S0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#81C784" fillcolor="#F1F8E9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#FFC085" fillcolor="#FFDAB9" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="Smart Parking Meters" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Dynamic Pricing" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest0_1 [label="User Experience Design for Apps" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E3F2FD" fontname=Helvetica fontsize=10 label="On_Street Parking Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Emergency Vehicle Access Management" color="#81C784" fillcolor="#F1F8E9" shape=Mdiamond style=filled]
+		nest1_1 [label="Intelligent Traffic Management Interaction" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	N0 -> N1 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N4 -> N5 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
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+	nest1_1 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S0 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S0 -> N7 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S0 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N4 -> S1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#FFC085" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#FFCC7A" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	M0 -> N10 [color="#FFCC7A" dir=forward penwidth=1.5 style=solid]
+	N8 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N3 -> M1 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	M1 -> N10 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	N2 -> M2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M2 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	M2 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_731.dot b/train/graphviz/hard/graphviz_731.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d61d29780de77d14a21835bc8a029087bb84af96
--- /dev/null
+++ b/train/graphviz/hard/graphviz_731.dot
@@ -0,0 +1,62 @@
+digraph {
+	rankdir=LR
+	N0 [label="Space Detection" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	N1 [label="License Plate Recognition" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+	N2 [label="Cloud_based Parking Platforms" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N3 [label="Emergency Vehicle Access Management" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+	N4 [label="User Experience Design for Apps" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N5 [label="Intelligent Traffic Management Interaction" color="#4DD0E1" fillcolor="#C9F0F0" shape=oval style=filled]
+	N6 [label="Revenue Management" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N7 [label="Mobile Parking Apps" color="#607D8B" fillcolor="#CFD8DC" shape=folder style=filled]
+	N8 [label="Reservations System" color="#F44336" fillcolor="#FFCDD2" shape=ellipse style=filled]
+	S1 [label="" color="#F44336" fillcolor="#FFCDD2" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	M1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Event Parking Management" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Environmental Impact Monitoring" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+		nest0_1 [label="Fleet Parking Solutions" color="#4DD0E1" fillcolor="#C9F0F0" shape=diamond style=filled]
+		nest0_2 [label="Demand Forecasting" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+		nest0_3 [label="Smart City Integration for Parking" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#607D8B" dir=forward penwidth=1.5 style=solid]
+		nest0_2 -> nest0_3 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#FBE9E7" fontname=Helvetica fontsize=10 label="IoT Sensors for Parking" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label="Maintenance of Systems" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+		nest1_1 [label="Navigation to Open Space" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+		nest1_2 [label="On_Street Parking Management" color="#607D8B" fillcolor="#CFD8DC" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	N7 -> nest1_0 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	nest1_2 -> N6 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	S1 -> N3 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S1 -> N4 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S2 [color="#607D8B" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [label=develops color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [label=pays color="#607D8B" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_731.txt b/train/graphviz/hard/graphviz_731.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3736ee460ce92f10cfc8b9f68cefc3c6b6566a53
--- /dev/null
+++ b/train/graphviz/hard/graphviz_731.txt
@@ -0,0 +1,32 @@
+<Cloud_based Parking Platforms, connectedTo, Emergency Vehicle Access Management>
+<Cloud_based Parking Platforms, connectedTo, Revenue Management>
+<Demand Forecasting, connectedTo, Smart City Integration for Parking>
+<Demand Forecasting, partOf, Demand Forecasting>
+<Emergency Vehicle Access Management, connectedTo, Environmental Impact Monitoring>
+<Emergency Vehicle Access Management, connectedTo, User Experience Design for Apps>
+<Emergency Vehicle Access Management, pays, Revenue Management>
+<Environmental Impact Monitoring, connectedTo, Fleet Parking Solutions>
+<Environmental Impact Monitoring, partOf, Environmental Impact Monitoring>
+<Fleet Parking Solutions, connectedTo, Demand Forecasting>
+<Fleet Parking Solutions, partOf, Fleet Parking Solutions>
+<Intelligent Traffic Management Interaction, connectedTo, Revenue Management>
+<License Plate Recognition, connectedTo, Cloud_based Parking Platforms>
+<License Plate Recognition, connectedTo, Emergency Vehicle Access Management>
+<License Plate Recognition, connectedTo, Revenue Management>
+<Maintenance of Systems, connectedTo, Navigation to Open Space>
+<Maintenance of Systems, partOf, Maintenance of Systems>
+<Mobile Parking Apps, connectedTo, Maintenance of Systems>
+<Mobile Parking Apps, connectedTo, Reservations System>
+<Navigation to Open Space, connectedTo, On_Street Parking Management>
+<Navigation to Open Space, partOf, Navigation to Open Space>
+<On_Street Parking Management, connectedTo, Revenue Management>
+<On_Street Parking Management, partOf, On_Street Parking Management>
+<Revenue Management, connectedTo, Mobile Parking Apps>
+<Smart City Integration for Parking, connectedTo, License Plate Recognition>
+<Smart City Integration for Parking, partOf, Smart City Integration for Parking>
+<Space Detection, connectedTo, Emergency Vehicle Access Management>
+<Space Detection, connectedTo, License Plate Recognition>
+<Space Detection, connectedTo, Reservations System>
+<Space Detection, connectedTo, User Experience Design for Apps>
+<Space Detection, develops, Mobile Parking Apps>
+<User Experience Design for Apps, connectedTo, Intelligent Traffic Management Interaction>
diff --git a/train/graphviz/hard/graphviz_732.dot b/train/graphviz/hard/graphviz_732.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8035f411af85e5fbf04b86d83ec5bfbef3902635
--- /dev/null
+++ b/train/graphviz/hard/graphviz_732.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=TD
+	N0 [label="Reservations System" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N1 [label="User Experience Design for Apps" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N2 [label="Navigation to Open Space" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N3 [label="Violation Detection" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N4 [label="Valet Parking Automation" color="#73C6BC" fillcolor="#D0EFEE" shape=Mdiamond style=filled]
+	N5 [label="Real_Time Information Display" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N6 [label="Emergency Vehicle Access Management" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N7 [label="Space Detection" color="#73C6BC" fillcolor="#D0EFEE" shape=folder style=filled]
+	N8 [label="Demand Forecasting" color="#82DAFF" fillcolor="#C8EDFF" shape=folder style=filled]
+	N9 [label="Cloud_based Parking Platforms" color="#E91E63" fillcolor="#FCE4EC" shape=folder style=filled]
+	N10 [label="Mobile Parking Apps" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N11 [label="Security Surveillance" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
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+	}
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+		nest1_1 [label="Customer Support" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+		nest1_2 [label="Parking Guidance Systems" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+		nest1_3 [label="Enforcement and Fines Management" color="#E91E63" fillcolor="#FCE4EC" shape=octagon style=filled]
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diff --git a/train/graphviz/hard/graphviz_735.dot b/train/graphviz/hard/graphviz_735.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6e9fb8e7272baec92f87aa93b65d27f37b063d7e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_735.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=RL
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+	N3 [label="Space Detection" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
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+	N13 [label="Integration with Navigation Apps" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
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+		nest0_3 [label="Electric Vehicle Charging Integration" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
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+	}
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diff --git a/train/graphviz/hard/graphviz_737.dot b/train/graphviz/hard/graphviz_737.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d69cba29c7fcc6eca537230fe6586c4119880bc
--- /dev/null
+++ b/train/graphviz/hard/graphviz_737.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=RL
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+	N2 [label="Airline Ticketing" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
+	N3 [label="Subscription or Season Pass Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N4 [label="Payment Processing" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N5 [label="Seat Mapping" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
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+	N8 [label="Box Office Management" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N9 [label="Audience Segmentation" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
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+	N13 [label="Theater Ticketing" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
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+	N15 [label="Blockchain Ticketing for Authenticity" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
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+	}
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+		nest1_3 [label="Sports Event Ticketing" color="#DCE775" fillcolor="#F9FBE7" shape=box style=filled]
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+		nest1_1 -> nest1_2 [color="#6FE1D5" dir=forward penwidth=1.5 style=solid]
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+	M1 -> N7 [color="#6FE1D5" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_738.dot b/train/graphviz/hard/graphviz_738.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b9b59a038ee0541b4e7d44fef77ba9bafbcc8e62
--- /dev/null
+++ b/train/graphviz/hard/graphviz_738.dot
@@ -0,0 +1,51 @@
+digraph {
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+		nest0_2 [label="Festival Ticketing" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
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diff --git a/train/graphviz/hard/graphviz_738.txt b/train/graphviz/hard/graphviz_738.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bff4ac2a68b9070547ed3b576e2ac492ce574496
--- /dev/null
+++ b/train/graphviz/hard/graphviz_738.txt
@@ -0,0 +1,31 @@
+<API Integration for Partners, connectedTo, Analytics on Sales Data>
+<API Integration for Partners, connectedTo, Personalized Ticket Offers>
+<API Integration for Partners, partOf, API Integration for Partners>
+<Access Control, connectedTo, Mobile Ticketing>
+<Access Control, partOf, Access Control>
+<Box Office Management, connectedTo, Festival Ticketing>
+<Box Office Management, partOf, Box Office Management>
+<Event Creation, connectedTo, Box Office Management>
+<Event Creation, partOf, Event Creation>
+<Festival Ticketing, connectedTo, Access Control>
+<Festival Ticketing, partOf, Festival Ticketing>
+<Group Booking Management, connectedTo, API Integration for Partners>
+<Group Booking Management, connectedTo, Queue Management>
+<Mobile Ticketing, connectedTo, Group Booking Management>
+<Order Confirmation, connectedTo, Queue Management>
+<Order Confirmation, partOf, Order Confirmation>
+<Personalized Ticket Offers, connectedTo, Promotional Code Management>
+<Personalized Ticket Offers, partOf, Personalized Ticket Offers>
+<Promotional Code Management, connectedTo, Order Confirmation>
+<Promotional Code Management, partOf, Promotional Code Management>
+<Queue Management, connectedTo, Analytics on Sales Data>
+<Queue Management, connectedTo, Event Creation>
+<Queue Management, connectedTo, Group Booking Management>
+<Queue Management, connectedTo, Order Confirmation>
+<Scalper Prevention, connectedTo, Mobile Ticketing>
+<Scalper Prevention, connects, Group Booking Management>
+<Scalper Prevention, scans, Waiting List Management>
+<Ticket Delivery, connectedTo, Group Booking Management>
+<Ticket Delivery, connectedTo, Scalper Prevention>
+<Waiting List Management, connectedTo, Mobile Ticketing>
+<Waiting List Management, connectedTo, Order Confirmation>
diff --git a/train/graphviz/hard/graphviz_739.dot b/train/graphviz/hard/graphviz_739.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bcfef3395e36fbcd5d1332180a028de1ee616e01
--- /dev/null
+++ b/train/graphviz/hard/graphviz_739.dot
@@ -0,0 +1,59 @@
+digraph {
+	rankdir=TD
+	N0 [label="Scalper Prevention" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
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diff --git a/train/graphviz/hard/graphviz_739.txt b/train/graphviz/hard/graphviz_739.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ea2c896e9dde863b74c75dd25ac3aceddbb1b8d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_739.txt
@@ -0,0 +1,32 @@
+<API Integration for Partners, connectedTo, Airline Ticketing>
+<API Integration for Partners, partOf, API Integration for Partners>
+<Airline Ticketing, connectedTo, Concert Ticketing>
+<Airline Ticketing, connectedTo, Mobile Ticketing>
+<Blockchain Ticketing for Authenticity, connectedTo, Mobile Ticketing>
+<Concert Ticketing, connectedTo, Ticket Sales>
+<Concert Ticketing, markets, Order Confirmation>
+<Customer Relationship Management Integration, connectedTo, Airline Ticketing>
+<Customer Relationship Management Integration, connectedTo, Blockchain Ticketing for Authenticity>
+<Customer Relationship Management Integration, connectedTo, Dynamic Pricing>
+<Customer Relationship Management Integration, connectedTo, Mobile Ticketing>
+<Customer Relationship Management Integration, connectedTo, Seat Mapping>
+<Dynamic Pricing, connectedTo, Fan Loyalty Programs>
+<Dynamic Pricing, connectedTo, Resale Market Integration>
+<Mobile Ticketing, connectedTo, Dynamic Pricing>
+<Mobile Ticketing, connectedTo, Fan Loyalty Programs>
+<Mobile Ticketing, connectedTo, Seat Mapping>
+<Order Confirmation, connectedTo, Post_Event Feedback Collection>
+<Order Confirmation, partOf, Order Confirmation>
+<Post_Event Feedback Collection, connectedTo, Venue Capacity Management>
+<Post_Event Feedback Collection, partOf, Post_Event Feedback Collection>
+<Refund Management, connectedTo, API Integration for Partners>
+<Refund Management, partOf, Refund Management>
+<Resale Market Integration, connectedTo, Refund Management>
+<Resale Market Integration, partOf, Resale Market Integration>
+<Scalper Prevention, connectedTo, Customer Relationship Management Integration>
+<Scalper Prevention, connectedTo, Mobile Ticketing>
+<Seat Mapping, connectedTo, Dynamic Pricing>
+<Ticket Sales, connectedTo, Blockchain Ticketing for Authenticity>
+<Ticket Sales, connectedTo, Mobile Ticketing>
+<Venue Capacity Management, connectedTo, Airline Ticketing>
+<Venue Capacity Management, partOf, Venue Capacity Management>
diff --git a/train/graphviz/hard/graphviz_743.txt b/train/graphviz/hard/graphviz_743.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f0538e38377bd7ef5e6034b395f5272c240d70c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_743.txt
@@ -0,0 +1,33 @@
+<Agent Network Management, connectedTo, Event Creation>
+<Agent Network Management, partOf, Agent Network Management>
+<Biometric Ticketing, connectedTo, Agent Network Management>
+<Biometric Ticketing, partOf, Biometric Ticketing>
+<Box Office Management, scans, Museum Ticketing>
+<Concert Ticketing, connectedTo, Box Office Management>
+<Concert Ticketing, connectedTo, Group Booking Management>
+<Event Creation, connectedTo, Post_Event Feedback Collection>
+<Event Creation, partOf, Event Creation>
+<Event Promotion Tools, connectedTo, Resale Market Integration>
+<Festival Ticketing, analyzes, Subscription or Season Pass Management>
+<Festival Ticketing, connectedTo, Museum Ticketing>
+<Festival Ticketing, connectedTo, Resale Market Integration>
+<Group Booking Management, connectedTo, Personalized Ticket Offers>
+<Group Booking Management, partOf, Group Booking Management>
+<Mobile Ticketing, connectedTo, Seat Mapping>
+<Mobile Ticketing, partOf, Mobile Ticketing>
+<Personalized Ticket Offers, connectedTo, Mobile Ticketing>
+<Personalized Ticket Offers, partOf, Personalized Ticket Offers>
+<Post_Event Feedback Collection, connectedTo, Concert Ticketing>
+<Post_Event Feedback Collection, partOf, Post_Event Feedback Collection>
+<Promotional Code Management, connectedTo, Festival Ticketing>
+<Promotional Code Management, connectedTo, Resale Market Integration>
+<Resale Market Integration, connectedTo, Concert Ticketing>
+<Resale Market Integration, connects, Biometric Ticketing>
+<Seat Mapping, connectedTo, Sports Event Ticketing>
+<Sports Event Ticketing, connectedTo, Box Office Management>
+<Sports Event Ticketing, connectedTo, Event Promotion Tools>
+<Sports Event Ticketing, connectedTo, Museum Ticketing>
+<Sports Event Ticketing, connectedTo, Resale Market Integration>
+<Sports Event Ticketing, forecasts, Museum Ticketing>
+<Subscription or Season Pass Management, connectedTo, Seat Mapping>
+<Subscription or Season Pass Management, maintains, Resale Market Integration>
diff --git a/train/graphviz/hard/graphviz_75.txt b/train/graphviz/hard/graphviz_75.txt
new file mode 100644
index 0000000000000000000000000000000000000000..120bbe8ebc8ba9e717749b3dd9f9b5583ddcc60c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_75.txt
@@ -0,0 +1,34 @@
+<Antenna Maintenance, partOf, Antenna Maintenance>
+<Antenna Maintenance, supports, Device Setup>
+<Base Station Installation, connectedTo, Billing Inquiry>
+<Base Station Installation, connectedTo, Customer Support>
+<Base Station Installation, connectedTo, Network Activation>
+<Bill Generation, connectedTo, Customer Relationship Management>
+<Bill Generation, connectedTo, Network Activation>
+<Bill Generation, connectedTo, Number Porting>
+<Billing Inquiry, connectedTo, Plan Selection>
+<Billing Inquiry, monitors, Device Setup>
+<Broadband Provisioning, connectedTo, Antenna Maintenance>
+<Broadband Provisioning, partOf, Broadband Provisioning>
+<Customer Relationship Management, connectedTo, Base Station Installation>
+<Customer Relationship Management, connectedTo, Billing Inquiry>
+<Customer Relationship Management, connectedTo, Device Setup>
+<Customer Relationship Management, connectedTo, Service Complaint>
+<Customer Support, authorizes, Spectrum Management>
+<Customer Support, connectedTo, Network Activation>
+<Device Setup, analyzes, Data Usage Logging>
+<Fiber Optic Deployment, connectedTo, Technical Support Escalation>
+<Fiber Optic Deployment, partOf, Fiber Optic Deployment>
+<Network Activation, connectedTo, Billing Inquiry>
+<Number Porting, connectedTo, Customer Relationship Management>
+<Plan Selection, partOf, Plan Selection>
+<Plan Selection, registers, Broadband Provisioning>
+<Service Complaint, connectedTo, Base Station Installation>
+<Service Complaint, connectedTo, Network Activation>
+<Spectrum Management, connectedTo, Fiber Optic Deployment>
+<Spectrum Management, partOf, Spectrum Management>
+<Technical Support Escalation, connectedTo, Number Porting>
+<Technical Support Escalation, partOf, Technical Support Escalation>
+<Troubleshooting Guide, connectedTo, Bill Generation>
+<Troubleshooting Guide, connectedTo, Customer Relationship Management>
+<Troubleshooting Guide, connectedTo, Network Activation>
diff --git a/train/graphviz/hard/graphviz_751.txt b/train/graphviz/hard/graphviz_751.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29e9666bb57c965ace78bb0efbb500112a976c4b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_751.txt
@@ -0,0 +1,35 @@
+<Anonymous Credential Systems, connectedTo, Undue Influence Prevention>
+<Anonymous Credential Systems, partOf, Anonymous Credential Systems>
+<Auditability, connectedTo, Online Voting Systems>
+<Ballot Creation, connectedTo, Auditability>
+<Ballot Creation, connectedTo, Online Voting Systems>
+<Ballot Creation, connectedTo, Risk Management for Elections>
+<Ballot Creation, connectedTo, Voter Privacy Protection>
+<Blockchain for Voting, connectedTo, Ballot Creation>
+<Election Official Training, partOf, Election Official Training>
+<Election Official Training, secures, Legal Framework Compliance>
+<Legal Framework Compliance, partOf, Legal Framework Compliance>
+<Legal Framework Compliance, prevents, Ballot Creation>
+<Online Voting Systems, connectedTo, Public Trust Building>
+<Risk Management for Elections, connectedTo, Anonymous Credential Systems>
+<Risk Management for Elections, connectedTo, Auditability>
+<Secure Data Transmission, partOf, Secure Data Transmission>
+<Secure Data Transmission, tallies, Transparency>
+<Software Integrity Checks, connectedTo, Risk Management for Elections>
+<Threat Modeling, connectedTo, Blockchain for Voting>
+<Transparency, connectedTo, Blockchain for Voting>
+<Transparency, partOf, Transparency>
+<Undue Influence Prevention, connectedTo, Secure Data Transmission>
+<Undue Influence Prevention, partOf, Undue Influence Prevention>
+<Vote Counting, connectedTo, Risk Management for Elections>
+<Vote Counting, connectedTo, Voter Authentication>
+<Voter Authentication, connectedTo, Voter Education Programs>
+<Voter Authentication, tests, Software Integrity Checks>
+<Voter Education Programs, connectedTo, Election Official Training>
+<Voter Education Programs, partOf, Voter Education Programs>
+<Voter Privacy Protection, connectedTo, Online Voting Systems>
+<Voter Privacy Protection, connectedTo, Public Trust Building>
+<Voter Privacy Protection, connectedTo, Software Integrity Checks>
+<Voter Privacy Protection, connectedTo, Vote Counting>
+<Voter Registration, connectedTo, Risk Management for Elections>
+<Voter Registration, connectedTo, Threat Modeling>
diff --git a/train/graphviz/hard/graphviz_754.dot b/train/graphviz/hard/graphviz_754.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5e524325b779fd5b30c72e26cf6d0b29765d95f7
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+++ b/train/graphviz/hard/graphviz_754.dot
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diff --git a/train/graphviz/hard/graphviz_755.txt b/train/graphviz/hard/graphviz_755.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7bb7673b87d18a34b044fe1fe576d8f8b9cbbe29
--- /dev/null
+++ b/train/graphviz/hard/graphviz_755.txt
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new file mode 100644
index 0000000000000000000000000000000000000000..65d203c7ff118e19f87f271202d29343537cb156
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diff --git a/train/graphviz/hard/graphviz_759.txt b/train/graphviz/hard/graphviz_759.txt
new file mode 100644
index 0000000000000000000000000000000000000000..036f8e8bb5b001759850a9acb954a0973702f2c9
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_762.txt b/train/graphviz/hard/graphviz_762.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2b26b42940be237552511d68c0c01a56e3097915
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_764.txt b/train/graphviz/hard/graphviz_764.txt
new file mode 100644
index 0000000000000000000000000000000000000000..042545b5dcb46b1a8134ebf4c3ce917dd76cf36d
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_766.dot b/train/graphviz/hard/graphviz_766.dot
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new file mode 100644
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diff --git a/train/graphviz/hard/graphviz_768.txt b/train/graphviz/hard/graphviz_768.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c0a4a27e060f2288e6c1abf1757d766d1051071e
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_770.txt b/train/graphviz/hard/graphviz_770.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a6200a736ea1f433c60c7fe81f631b9198927e69
--- /dev/null
+++ b/train/graphviz/hard/graphviz_770.txt
@@ -0,0 +1,31 @@
+<Automated Materials Handling, connectedTo, Collection Development>
+<Cataloging and Classification, connectedTo, Integrated Library Systems>
+<Circulation Management, connectedTo, Serials Control>
+<Circulation Management, connectedTo, System Security>
+<Collection Development, connectedTo, Digital Resource Management>
+<Digital Resource Management, connectedTo, Circulation Management>
+<Digital Resource Management, connectedTo, Reporting and Analytics>
+<Digital Resource Management, connectedTo, System Security>
+<Digitization Projects, connectedTo, Cataloging and Classification>
+<Electronic Resource Management, connectedTo, Reference Desk Support>
+<Electronic Resource Management, partOf, Electronic Resource Management>
+<Federated Search, connectedTo, Reporting and Analytics>
+<Integrated Library Systems, connectedTo, Automated Materials Handling>
+<Integrated Library Systems, connectedTo, Open Access Repository Management>
+<Interlibrary Loan, connectedTo, Cataloging and Classification>
+<Interlibrary Loan, connectedTo, Preservation of Materials>
+<Library Website Management, connectedTo, Cataloging and Classification>
+<Library Website Management, connectedTo, Digitization Projects>
+<Open Access Repository Management, connectedTo, System Upgrades>
+<Open Access Repository Management, partOf, Open Access Repository Management>
+<Preservation of Materials, connectedTo, Cataloging and Classification>
+<Preservation of Materials, connectedTo, Library Website Management>
+<Reference Desk Support, connectedTo, Self_Checkout Kiosks>
+<Reference Desk Support, partOf, Reference Desk Support>
+<Self_Checkout Kiosks, connectedTo, Library Website Management>
+<Self_Checkout Kiosks, partOf, Self_Checkout Kiosks>
+<Serials Control, connectedTo, Electronic Resource Management>
+<Serials Control, partOf, Serials Control>
+<System Security, connectedTo, Federated Search>
+<System Upgrades, connectedTo, Cataloging and Classification>
+<System Upgrades, partOf, System Upgrades>
diff --git a/train/graphviz/hard/graphviz_774.dot b/train/graphviz/hard/graphviz_774.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9abd720ded8adc2866d8ca1e650b05cd1d9a03d2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_774.dot
@@ -0,0 +1,56 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_775.dot b/train/graphviz/hard/graphviz_775.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d6bebdc020992545a0a898ca28d79fb26a948815
--- /dev/null
+++ b/train/graphviz/hard/graphviz_775.dot
@@ -0,0 +1,63 @@
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diff --git a/train/graphviz/hard/graphviz_775.txt b/train/graphviz/hard/graphviz_775.txt
new file mode 100644
index 0000000000000000000000000000000000000000..07d0e75a9c1672f86d27eaead64a6a2b4ce6fbf8
--- /dev/null
+++ b/train/graphviz/hard/graphviz_775.txt
@@ -0,0 +1,34 @@
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+<Electronic Resource Management, connectedTo, Automated Materials Handling>
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+<Library Website Management, connectedTo, Personalized Recommendations>
+<Library Website Management, connectedTo, Preservation of Materials>
+<Library Website Management, connectedTo, Reporting and Analytics>
+<Library Website Management, fines, RFID System Implementation>
+<Linked Data for Libraries, connectedTo, Library Website Management>
+<Mobile App for Library, connectedTo, Collection Development>
+<Open Access Repository Management, connectedTo, Collection Development>
+<Open Access Repository Management, partOf, Open Access Repository Management>
+<Personalized Recommendations, connectedTo, Electronic Resource Management>
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+<Reference Desk Support, connectedTo, Federated Search>
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+<Search Functionality, connectedTo, Mobile App for Library>
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+<User Account Management, partOf, User Account Management>
diff --git a/train/graphviz/hard/graphviz_776.dot b/train/graphviz/hard/graphviz_776.dot
new file mode 100644
index 0000000000000000000000000000000000000000..544dc192e945486e3aa67115c7db6d352778ed76
--- /dev/null
+++ b/train/graphviz/hard/graphviz_776.dot
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+	N1 -> M0 [label=educates color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	M0 -> N5 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M1 [color="#A1887F" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N3 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N5 -> M2 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N4 -> M2 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M2 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	M2 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_776.txt b/train/graphviz/hard/graphviz_776.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d820323cb986055362d972af9a84894174f4f827
--- /dev/null
+++ b/train/graphviz/hard/graphviz_776.txt
@@ -0,0 +1,41 @@
+<Acquisitions, connectedTo, Electronic Resource Management>
+<Acquisitions, connectedTo, Self_Checkout Kiosks>
+<Acquisitions, trains, Preservation of Materials>
+<Automated Materials Handling, connectedTo, Federated Search>
+<Cataloging and Classification, connectedTo, System Security>
+<Circulation Management, connectedTo, Collection Development>
+<Circulation Management, partOf, Circulation Management>
+<Collection Development, connectedTo, Electronic Resource Management>
+<Collection Development, partOf, Collection Development>
+<Digital Resource Management, connectedTo, Circulation Management>
+<Digital Resource Management, partOf, Digital Resource Management>
+<Digitization Projects, connectedTo, Serials Control>
+<Digitization Projects, partOf, Digitization Projects>
+<Discovery Layers, connectedTo, Reporting and Analytics>
+<Discovery Layers, partOf, Discovery Layers>
+<Electronic Resource Management, connectedTo, Cataloging and Classification>
+<Federated Search, connectedTo, Subject Indexing>
+<Federated Search, connectedTo, Technical Support for Systems>
+<Integrated Library Systems, connectedTo, Acquisitions>
+<Integrated Library Systems, connectedTo, Federated Search>
+<Integrated Library Systems, connectedTo, Self_Checkout Kiosks>
+<Integrated Library Systems, connectedTo, Technical Support for Systems>
+<Integrated Library Systems, educates, Preservation of Materials>
+<Integrated Library Systems, supports, Automated Materials Handling>
+<Metadata Creation, circulates, Automated Materials Handling>
+<Open Access Repository Management, borrows, Preservation of Materials>
+<Open Access Repository Management, connectedTo, Electronic Resource Management>
+<Preservation of Materials, connectedTo, Electronic Resource Management>
+<Preservation of Materials, connectedTo, Reporting and Analytics>
+<Reporting and Analytics, connectedTo, Digital Resource Management>
+<Reporting and Analytics, connectedTo, Metadata Creation>
+<Search Functionality, connectedTo, Integrated Library Systems>
+<Search Functionality, connectedTo, Self_Checkout Kiosks>
+<Search Functionality, migrates, Preservation of Materials>
+<Self_Checkout Kiosks, connectedTo, Open Access Repository Management>
+<Self_Checkout Kiosks, connectedTo, Preservation of Materials>
+<Serials Control, connectedTo, Discovery Layers>
+<Serials Control, partOf, Serials Control>
+<Subject Indexing, connectedTo, Digitization Projects>
+<Subject Indexing, partOf, Subject Indexing>
+<Technical Support for Systems, connectedTo, Electronic Resource Management>
diff --git a/train/graphviz/hard/graphviz_777.dot b/train/graphviz/hard/graphviz_777.dot
new file mode 100644
index 0000000000000000000000000000000000000000..acfbe49dc0b257b7f694733872bcb1653f6346b1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_777.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=RL
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+	N16 [label="Researchers Support" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N17 [label="Data Migration for Digital Archives" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
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+	S0 -> N3 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S0 -> N12 [label=exhibits color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N8 [label=validates color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> S1 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N17 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_777.txt b/train/graphviz/hard/graphviz_777.txt
new file mode 100644
index 0000000000000000000000000000000000000000..73437c18c6e4af48519ac2b4c9c1ee849f8d9fba
--- /dev/null
+++ b/train/graphviz/hard/graphviz_777.txt
@@ -0,0 +1,42 @@
+<Appraisal and Selection, connectedTo, Subject Indexing for Archives>
+<Archival Advocacy, connectedTo, Researchers Support>
+<Arrangement and Description, connectedTo, Grant Writing for Archives>
+<Arrangement and Description, connectedTo, Metadata Creation>
+<Born_Digital Archiving, connectedTo, Metadata Creation>
+<Born_Digital Archiving, partOf, Born_Digital Archiving>
+<Collection Management Policy, connectedTo, Legal and Ethical Compliance>
+<Conservation Treatment, connectedTo, Appraisal and Selection>
+<Digital Forensics for Archives, connectedTo, Digitization of Records>
+<Digital Forensics for Archives, connectedTo, Environmental Control>
+<Digital Forensics for Archives, exhibits, Records Management Integration>
+<Digital Forensics for Archives, validates, Conservation Treatment>
+<Digitization of Records, connectedTo, Collection Management Policy>
+<Digitization of Records, connectedTo, Grant Writing for Archives>
+<Environmental Control, connectedTo, Digitization of Records>
+<Environmental Control, connectedTo, Grant Writing for Archives>
+<Environmental Control, connectedTo, Metadata Creation>
+<Environmental Control, connectedTo, User Interface for Digital Archives>
+<Ethical Use of Archival Materials, connectedTo, Archival Advocacy>
+<Finding Aid Creation, connectedTo, Born_Digital Archiving>
+<Finding Aid Creation, partOf, Finding Aid Creation>
+<Grant Writing for Archives, connectedTo, Conservation Treatment>
+<Grant Writing for Archives, connectedTo, Metadata Creation>
+<Legal and Ethical Compliance, connectedTo, Arrangement and Description>
+<Long_Term Digital Preservation, connectedTo, Digital Forensics for Archives>
+<Long_Term Digital Preservation, connectedTo, Grant Writing for Archives>
+<Metadata Creation, connectedTo, Ethical Use of Archival Materials>
+<Outreach and Education, connectedTo, Environmental Control>
+<Outreach and Education, partOf, Outreach and Education>
+<Records Management Integration, connectedTo, Data Migration for Digital Archives>
+<Records Management Integration, connectedTo, Researchers Support>
+<Records Management Integration, connectedTo, Security of Holdings>
+<Records Management Integration, policies, Metadata Creation>
+<Records Retention Scheduling, connectedTo, Records Management Integration>
+<Researchers Support, connectedTo, Data Migration for Digital Archives>
+<Security of Holdings, connectedTo, Finding Aid Creation>
+<Security of Holdings, partOf, Security of Holdings>
+<Subject Indexing for Archives, connectedTo, Records Retention Scheduling>
+<User Interface for Digital Archives, connectedTo, Web Archiving>
+<User Interface for Digital Archives, partOf, User Interface for Digital Archives>
+<Web Archiving, connectedTo, Outreach and Education>
+<Web Archiving, partOf, Web Archiving>
diff --git a/train/graphviz/hard/graphviz_78.txt b/train/graphviz/hard/graphviz_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e377355e665753a855084806f09859969bd6fcf2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_78.txt
@@ -0,0 +1,30 @@
+<Bandwidth Allocation, connectedTo, Call Recording>
+<Bandwidth Allocation, connectedTo, Plan Renewal>
+<Bandwidth Allocation, connectedTo, Service Complaint>
+<Bandwidth Allocation, connectedTo, Spectrum Management>
+<Bandwidth Allocation, connectedTo, VoIP Service>
+<Bandwidth Allocation, notifies, Service Complaint>
+<Broadband Provisioning, partOf, Broadband Provisioning>
+<Broadband Provisioning, resolves, Data Usage Logging>
+<Call Recording, connectedTo, Service Complaint>
+<Contract Termination, connectedTo, Fiber Optic Deployment>
+<Contract Termination, partOf, Contract Termination>
+<Customer Relationship Management, connectedTo, Contract Termination>
+<Customer Relationship Management, partOf, Customer Relationship Management>
+<Data Usage Logging, connectedTo, Customer Relationship Management>
+<Data Usage Logging, partOf, Data Usage Logging>
+<Device Setup, connectedTo, Fiber Optic Deployment>
+<Fiber Optic Deployment, connectedTo, Network Security Monitoring>
+<Issue Resolution, connectedTo, Fiber Optic Deployment>
+<Issue Resolution, partOf, Issue Resolution>
+<Network Activation, connectedTo, SIM Registration>
+<Network Security Monitoring, connectedTo, Network Activation>
+<Plan Renewal, connectedTo, VoIP Service>
+<Plan Selection, complains, Bandwidth Allocation>
+<Plan Selection, connectedTo, Broadband Provisioning>
+<Roaming Activation, connectedTo, Issue Resolution>
+<Roaming Activation, partOf, Roaming Activation>
+<SIM Registration, connectedTo, Plan Selection>
+<SIM Registration, connectedTo, Roaming Activation>
+<Spectrum Management, connectedTo, Call Recording>
+<VoIP Service, connectedTo, Spectrum Management>
diff --git a/train/graphviz/hard/graphviz_781.dot b/train/graphviz/hard/graphviz_781.dot
new file mode 100644
index 0000000000000000000000000000000000000000..145a1a856ef207e649ba106cbc11f931ea87f5f4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_781.dot
@@ -0,0 +1,79 @@
+digraph {
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+}
diff --git a/train/graphviz/hard/graphviz_783.txt b/train/graphviz/hard/graphviz_783.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b01527e8f9000e677d9ba9c580858197a755742
--- /dev/null
+++ b/train/graphviz/hard/graphviz_783.txt
@@ -0,0 +1,42 @@
+<Acquisition and Accessioning, connectedTo, Archival Advocacy>
+<Acquisition and Accessioning, connectedTo, Community Archiving Projects>
+<Acquisition and Accessioning, connectedTo, Digitization of Records>
+<Acquisition and Accessioning, connectedTo, Preservation Planning>
+<Acquisition and Accessioning, connectedTo, Serialization and Item Control>
+<Acquisition and Accessioning, procedures, Collection Management Policy>
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+<Appraisal and Selection, partOf, Appraisal and Selection>
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+<Data Migration for Digital Archives, connectedTo, Provenance Tracking>
+<Digital Asset Management, connectedTo, Collection Management Policy>
+<Digital Asset Management, connectedTo, Researchers Support>
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+<Digital Forensics for Archives, connectedTo, Provenance Tracking>
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+<Legal and Ethical Compliance, connectedTo, Provenance Tracking>
+<Metadata Creation, connectedTo, User Interface for Digital Archives>
+<Oral History Collection, connectedTo, Digital Asset Management>
+<Oral History Collection, partOf, Oral History Collection>
+<Preservation Planning, protects, Collection Management Policy>
+<Provenance Tracking, connectedTo, Subject Indexing for Archives>
+<Records Management Integration, connectedTo, Community Archiving Projects>
+<Researchers Support, connectedTo, Community Archiving Projects>
+<Researchers Support, connectedTo, Metadata Creation>
+<Researchers Support, connectedTo, Records Management Integration>
+<Researchers Support, connectedTo, Security of Holdings>
+<Researchers Support, manages, Serialization and Item Control>
+<Security of Holdings, connectedTo, Metadata Creation>
+<Security of Holdings, connectedTo, Web Archiving>
+<Serialization and Item Control, connectedTo, Digitization of Records>
+<Subject Indexing for Archives, connectedTo, Digital Asset Management>
+<User Interface for Digital Archives, connectedTo, Acquisition and Accessioning>
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diff --git a/train/graphviz/hard/graphviz_785.txt b/train/graphviz/hard/graphviz_785.txt
new file mode 100644
index 0000000000000000000000000000000000000000..876b000673c1afde05be31bffea38cd8e6770f8d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_785.txt
@@ -0,0 +1,31 @@
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+<Cybersecurity for Museum Data, connectedTo, Gamification of Museum Experiences>
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+<Digital Preservation Strategies, connectedTo, Cybersecurity for Museum Data>
+<Digital Preservation Strategies, connectedTo, Visitor Flow Analysis>
+<Educational Technology Integration, complies, Exhibition Design>
+<Educational Technology Integration, partOf, Educational Technology Integration>
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+<Gamification of Museum Experiences, partOf, Gamification of Museum Experiences>
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+<Online Shop Integration, connectedTo, Digital Archiving>
+<Online Shop Integration, partOf, Online Shop Integration>
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diff --git a/train/graphviz/hard/graphviz_786.dot b/train/graphviz/hard/graphviz_786.dot
new file mode 100644
index 0000000000000000000000000000000000000000..616363ca9b3325319a0366c4ce8ccc74e5105236
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_787.dot b/train/graphviz/hard/graphviz_787.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bbfb8dee93c15af20c88a78c0a43618a7270f184
--- /dev/null
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new file mode 100644
index 0000000000000000000000000000000000000000..0407c90b3869bdb528733662dc541f3f9cbfe9a2
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+	S1 -> N15 [label=preserves color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
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+	N1 -> M1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_789.txt b/train/graphviz/hard/graphviz_789.txt
new file mode 100644
index 0000000000000000000000000000000000000000..469a48691dd68dc4f7317c6624f82c757f9b1493
--- /dev/null
+++ b/train/graphviz/hard/graphviz_789.txt
@@ -0,0 +1,31 @@
+<Augmented Reality Experiences, connectedTo, Predictive Maintenance for Tech>
+<Augmented Reality Experiences, partOf, Augmented Reality Experiences>
+<Community Engagement Platforms, connectedTo, Content Management Systems>
+<Community Engagement Platforms, connectedTo, Educational Technology Integration>
+<Community Engagement Platforms, connectedTo, Wayfinding Systems>
+<Community Engagement Platforms, designs, Augmented Reality Experiences>
+<Conservation Technology, connectedTo, Content Management Systems>
+<Conservation Technology, partOf, Conservation Technology>
+<Content Management Systems, connectedTo, Educational Technology Integration>
+<Digital Preservation Strategies, connectedTo, Visitor Flow Analysis>
+<Digital Preservation Strategies, partOf, Digital Preservation Strategies>
+<Digital Signage, connectedTo, Educational Technology Integration>
+<Digital Signage, connectedTo, RFID for Object Tracking>
+<Digital Signage, connectedTo, User Experience Design>
+<Digital Signage, connectedTo, Visitor Analytics>
+<Digital Signage, exhibits, Community Engagement Platforms>
+<Educational Technology Integration, connectedTo, Digital Preservation Strategies>
+<Educational Technology Integration, connectedTo, Wayfinding Systems>
+<Fundraising Technology, connectedTo, Community Engagement Platforms>
+<Online Shop Integration, connectedTo, User Experience Design>
+<Predictive Maintenance for Tech, partOf, Predictive Maintenance for Tech>
+<Predictive Maintenance for Tech, visualizes, Visitor Analytics>
+<RFID for Object Tracking, connectedTo, Community Engagement Platforms>
+<RFID for Object Tracking, connectedTo, Educational Technology Integration>
+<RFID for Object Tracking, connectedTo, Visitor Analytics>
+<RFID for Object Tracking, informs, Content Management Systems>
+<User Experience Design, connectedTo, Community Engagement Platforms>
+<User Experience Design, connectedTo, Fundraising Technology>
+<Visitor Analytics, connectedTo, Online Shop Integration>
+<Visitor Flow Analysis, connectedTo, Conservation Technology>
+<Visitor Flow Analysis, partOf, Visitor Flow Analysis>
diff --git a/train/graphviz/hard/graphviz_79.dot b/train/graphviz/hard/graphviz_79.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2d851f817f54b69fb2ff6113c9c2f618477f9508
--- /dev/null
+++ b/train/graphviz/hard/graphviz_79.dot
@@ -0,0 +1,62 @@
+digraph {
+	rankdir=TD
+	N0 [label="Plan Selection" color="#A1D7CD" fillcolor="#EDF5F3" shape=ellipse style=filled]
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+		nest0_1 [label="Service Activation Request" color="#A1D7CD" fillcolor="#EDF5F3" shape=folder style=filled]
+		nest0_2 [label="Plan Renewal" color="#FFB74D" fillcolor="#FFF3E0" shape=plaintext style=filled]
+		nest0_3 [label="Spectrum Management" color="#FFF176" fillcolor="#FFFDE7" shape=diamond style=filled]
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+		nest0_1 -> nest0_2 [color="#A1D7CD" dir=forward penwidth=1.5 style=solid]
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+	S0 -> N9 [label=installs color="#FFB74D" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S1 [color="#FFB74D" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_790.txt b/train/graphviz/hard/graphviz_790.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f0806486680b3a60538b38beda672d69652d3a58
--- /dev/null
+++ b/train/graphviz/hard/graphviz_790.txt
@@ -0,0 +1,35 @@
+<3D Printing for Replicas, connectedTo, Digital Preservation Strategies>
+<3D Printing for Replicas, connectedTo, Online Shop Integration>
+<Augmented Reality Experiences, connectedTo, Robotics in Exhibits>
+<Augmented Reality Experiences, partOf, Augmented Reality Experiences>
+<Collection Digitization, connectedTo, Virtual Reality Experiences>
+<Collection Digitization, partOf, Collection Digitization>
+<Crowdsourcing for Collections, connectedTo, Visitor Flow Analysis>
+<Database Management, connectedTo, Augmented Reality Experiences>
+<Database Management, partOf, Database Management>
+<Digital Preservation Strategies, connectedTo, Collection Digitization>
+<Digital Preservation Strategies, partOf, Digital Preservation Strategies>
+<Digital Signage, connectedTo, Visitor Flow Analysis>
+<Digital Signage, partOf, Digital Signage>
+<Interactive Display Development, connectedTo, Research Databases Access>
+<Interactive Display Development, connectedTo, Robotics in Exhibits>
+<Mobile App Development, connectedTo, 3D Printing for Replicas>
+<Mobile App Development, connectedTo, Interactive Display Development>
+<Mobile App Development, connectedTo, Research Databases Access>
+<Mobile App Development, connectedTo, Robotics in Exhibits>
+<Mobile App Development, connectedTo, Visitor Flow Analysis>
+<Research Databases Access, connectedTo, Robotics in Exhibits>
+<Research Databases Access, connectedTo, Visitor Flow Analysis>
+<Robotics in Exhibits, connectedTo, User Experience Design>
+<Security Systems Integration, connectedTo, Database Management>
+<Security Systems Integration, partOf, Security Systems Integration>
+<User Experience Design, connectedTo, 3D Printing for Replicas>
+<User Experience Design, connectedTo, Crowdsourcing for Collections>
+<User Experience Design, connectedTo, Online Shop Integration>
+<User Experience Design, connectedTo, Security Systems Integration>
+<User Experience Design, connectedTo, Visitor Flow Analysis>
+<Virtual Reality Experiences, connectedTo, Digital Signage>
+<Virtual Reality Experiences, partOf, Virtual Reality Experiences>
+<Visitor Analytics, connectedTo, Mobile App Development>
+<Visitor Analytics, connectedTo, Robotics in Exhibits>
+<Visitor Flow Analysis, connectedTo, 3D Printing for Replicas>
diff --git a/train/graphviz/hard/graphviz_791.txt b/train/graphviz/hard/graphviz_791.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d923f9d42fa6d4b5274b62cdd320267c9fac244
--- /dev/null
+++ b/train/graphviz/hard/graphviz_791.txt
@@ -0,0 +1,39 @@
+<3D Scanning of Artifacts, connectedTo, Augmented Reality Experiences>
+<3D Scanning of Artifacts, partOf, 3D Scanning of Artifacts>
+<Augmented Reality Experiences, connectedTo, Exhibition Lighting Design>
+<Augmented Reality Experiences, partOf, Augmented Reality Experiences>
+<Content Management Systems, connectedTo, Interactive Kiosks>
+<Crowdsourcing for Collections, connectedTo, Fundraising Technology>
+<Cybersecurity for Museum Data, connectedTo, Content Management Systems>
+<Cybersecurity for Museum Data, connectedTo, Fundraising Technology>
+<Cybersecurity for Museum Data, connectedTo, Member Management Systems>
+<Cybersecurity for Museum Data, installs, Exhibition Design>
+<Cybersecurity for Museum Data, models, Gamification of Museum Experiences>
+<Database Management, analyzes, Exhibition Design>
+<Digital Signage, connectedTo, Content Management Systems>
+<Digital Signage, connectedTo, Mobile App Development>
+<Digital Storytelling, connectedTo, Gamification of Museum Experiences>
+<Digital Storytelling, partOf, Digital Storytelling>
+<Exhibition Lighting Design, connectedTo, Crowdsourcing for Collections>
+<Fundraising Technology, connectedTo, Research Databases Access>
+<Gamification of Museum Experiences, AR or VR, Interactive Display Development>
+<Gamification of Museum Experiences, connectedTo, Crowdsourcing for Collections>
+<Gamification of Museum Experiences, connectedTo, Exhibition Design>
+<Gamification of Museum Experiences, connectedTo, Mobile App Development>
+<Gamification of Museum Experiences, connectedTo, Visitor Analytics>
+<Interactive Display Development, connectedTo, Crowdsourcing for Collections>
+<Interactive Display Development, connectedTo, Exhibition Lighting Design>
+<Interactive Kiosks, connectedTo, Interactive Display Development>
+<Member Management Systems, connectedTo, Database Management>
+<Member Management Systems, connectedTo, User Experience Design>
+<Mobile App Development, connectedTo, Content Management Systems>
+<Research Databases Access, complies, Member Management Systems>
+<Research Databases Access, connectedTo, Wayfinding Systems>
+<User Experience Design, connectedTo, 3D Scanning of Artifacts>
+<User Experience Design, partOf, User Experience Design>
+<Visitor Analytics, connectedTo, Content Management Systems>
+<Visitor Analytics, connectedTo, Digital Signage>
+<Visitor Analytics, connectedTo, Exhibition Lighting Design>
+<Visitor Analytics, interprets, Interactive Kiosks>
+<Wayfinding Systems, guides, Digital Storytelling>
+<Wayfinding Systems, partOf, Wayfinding Systems>
diff --git a/train/graphviz/hard/graphviz_792.dot b/train/graphviz/hard/graphviz_792.dot
new file mode 100644
index 0000000000000000000000000000000000000000..28104f23ecb8fe5a9016b3656ef25d1db313769a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_792.dot
@@ -0,0 +1,77 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_793.dot b/train/graphviz/hard/graphviz_793.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c90da570f637a1601c8e519264025a094157ab15
--- /dev/null
+++ b/train/graphviz/hard/graphviz_793.dot
@@ -0,0 +1,79 @@
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diff --git a/train/graphviz/hard/graphviz_795.txt b/train/graphviz/hard/graphviz_795.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fd7098b1f4c0b0803dd6bca6c2b0e9edb98ad05c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_795.txt
@@ -0,0 +1,36 @@
+<Audit Planning, connectedTo, Healthcare Compliance>
+<Audit Planning, partOf, Audit Planning>
+<Bias Mitigation, protects, Export Control Compliance>
+<CSR Reporting, connectedTo, Bias Mitigation>
+<CSR Reporting, connectedTo, Monitoring and Enforcement>
+<Compliance Software Implementation, connectedTo, Audit Planning>
+<Compliance Software Implementation, partOf, Compliance Software Implementation>
+<Compliance Training, procedures, Corporate Governance Standards>
+<Corporate Governance Standards, fairness, Product Safety Compliance>
+<ESG Integration, accountability, Environmental Compliance>
+<Environmental Compliance, connectedTo, Export Control Compliance>
+<Environmental Compliance, connectedTo, Product Safety Compliance>
+<Environmental Compliance, connectedTo, Supplier Code of Conduct>
+<Ethics Committee Formation, connectedTo, Environmental Compliance>
+<Ethics Committee Formation, connectedTo, Healthcare Compliance>
+<Ethics Committee Formation, consults, Legal Advisory>
+<Financial Regulations Compliance, connectedTo, Compliance Training>
+<Healthcare Compliance, connectedTo, ESG Integration>
+<Healthcare Compliance, connectedTo, Financial Regulations Compliance>
+<Incident Response Planning, connectedTo, Environmental Compliance>
+<Incident Response Planning, partOf, Incident Response Planning>
+<Legal Advisory, connectedTo, Financial Regulations Compliance>
+<Monitoring and Enforcement, connectedTo, Incident Response Planning>
+<Monitoring and Enforcement, partOf, Monitoring and Enforcement>
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+<Policy Development, connectedTo, Corporate Governance Standards>
+<Policy Development, connectedTo, Financial Regulations Compliance>
+<Policy Development, connectedTo, Legal Advisory>
+<Product Safety Compliance, connectedTo, CSR Reporting>
+<Product Safety Compliance, connectedTo, Compliance Software Implementation>
+<Sanctions Compliance, connectedTo, Financial Regulations Compliance>
+<Sanctions Compliance, connectedTo, Policy Development>
+<Stakeholder Engagement on Ethics, codes, Sanctions Compliance>
+<Stakeholder Engagement on Ethics, connectedTo, Financial Regulations Compliance>
+<Supplier Code of Conduct, connectedTo, Financial Regulations Compliance>
+<Supplier Code of Conduct, connectedTo, Stakeholder Engagement on Ethics>
diff --git a/train/graphviz/hard/graphviz_796.txt b/train/graphviz/hard/graphviz_796.txt
new file mode 100644
index 0000000000000000000000000000000000000000..71c29bde043bd4d13fd9df52399f8c262736b8f2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_796.txt
@@ -0,0 +1,43 @@
+<Anti_Bribery and Corruption Compliance, connectedTo, Policy Development>
+<Anti_Money Laundering Compliance, connectedTo, Anti_Bribery and Corruption Compliance>
+<Anti_Money Laundering Compliance, connectedTo, Consumer Protection Compliance>
+<Audit Planning, connectedTo, Anti_Bribery and Corruption Compliance>
+<Audit Planning, connectedTo, CSR Reporting>
+<Audit Planning, connectedTo, Compliance Hotlines>
+<Audit Planning, connectedTo, Incident Response Planning>
+<Audit Planning, connectedTo, Labor Law Compliance>
+<Bias Mitigation, connectedTo, Ethics Committee Formation>
+<Bias Mitigation, partOf, Bias Mitigation>
+<CSR Reporting, investigates, Ethical AI Guidelines>
+<Compliance Hotlines, connectedTo, Anti_Money Laundering Compliance>
+<Compliance Hotlines, connectedTo, Fair Competition Compliance>
+<Compliance Software Implementation, connectedTo, Anti_Money Laundering Compliance>
+<Compliance Software Implementation, partOf, Compliance Software Implementation>
+<Consumer Protection Compliance, connectedTo, Bias Mitigation>
+<Consumer Protection Compliance, partOf, Consumer Protection Compliance>
+<Data Ethics, connectedTo, Anti_Bribery and Corruption Compliance>
+<Data Ethics, connectedTo, Anti_Money Laundering Compliance>
+<Data Ethics, connectedTo, CSR Reporting>
+<Data Ethics, connectedTo, Ethical AI Guidelines>
+<Data Ethics, connectedTo, Reporting Mechanisms>
+<Data Ethics, monitors, Labor Law Compliance>
+<Data Privacy Compliance, connectedTo, Incident Response Planning>
+<Ethical AI Guidelines, connectedTo, Data Privacy Compliance>
+<Ethics Committee Formation, connectedTo, Policy Development>
+<Ethics Committee Formation, partOf, Ethics Committee Formation>
+<Fair Competition Compliance, connectedTo, Sanctions Compliance>
+<Fair Competition Compliance, partOf, Fair Competition Compliance>
+<Financial Regulations Compliance, connectedTo, CSR Reporting>
+<Incident Response Planning, connectedTo, Compliance Hotlines>
+<Labor Law Compliance, connectedTo, Regulatory Interpretation>
+<Regulatory Interpretation, connectedTo, CSR Reporting>
+<Regulatory Interpretation, connectedTo, Compliance Hotlines>
+<Regulatory Interpretation, connectedTo, Ethical AI Guidelines>
+<Regulatory Interpretation, connectedTo, Financial Regulations Compliance>
+<Regulatory Interpretation, connectedTo, Incident Response Planning>
+<Regulatory Interpretation, connectedTo, Policy Development>
+<Reporting Mechanisms, connectedTo, Audit Planning>
+<Reporting Mechanisms, connectedTo, CSR Reporting>
+<Reporting Mechanisms, connectedTo, Labor Law Compliance>
+<Sanctions Compliance, connectedTo, Compliance Software Implementation>
+<Sanctions Compliance, partOf, Sanctions Compliance>
diff --git a/train/graphviz/hard/graphviz_799.dot b/train/graphviz/hard/graphviz_799.dot
new file mode 100644
index 0000000000000000000000000000000000000000..04c480ac8aab85fee0de2b898263c28db1d47282
--- /dev/null
+++ b/train/graphviz/hard/graphviz_799.dot
@@ -0,0 +1,72 @@
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diff --git a/train/graphviz/hard/graphviz_801.txt b/train/graphviz/hard/graphviz_801.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6701558d6d29dae5893d6099214c93d21a433334
--- /dev/null
+++ b/train/graphviz/hard/graphviz_801.txt
@@ -0,0 +1,41 @@
+<Ballistics Analysis, connectedTo, Cold Case Review>
+<Bloodstain Pattern Analysis, connectedTo, Network Forensics>
+<Chain of Custody Management, connectedTo, Forensic Accounting>
+<Cold Case Review, connectedTo, Document Examination>
+<Cold Case Review, connectedTo, Expert Witness Testimony>
+<Courtroom Presentation, connectedTo, Trace Evidence Analysis>
+<Crime Database Search, connectedTo, Evidence Preservation>
+<Cyber Crime Investigation, connectedTo, Ballistics Analysis>
+<Cyber Crime Investigation, connectedTo, Chain of Custody Management>
+<Cyber Crime Investigation, connectedTo, Crime Database Search>
+<Cyber Crime Investigation, connectedTo, Polygraph Examination>
+<Data Recovery, connectedTo, Bloodstain Pattern Analysis>
+<Data Recovery, connectedTo, Mobile Device Forensics>
+<Digital Forensics, connectedTo, Forensic Odontology>
+<Digital Forensics, partOf, Digital Forensics>
+<Document Examination, connectedTo, Fingerprint Analysis>
+<Evidence Preservation, connectedTo, Courtroom Presentation>
+<Expert Witness Testimony, connectedTo, Digital Forensics>
+<Expert Witness Testimony, partOf, Expert Witness Testimony>
+<Facial Recognition, connectedTo, Forensic Entomology>
+<Facial Recognition, partOf, Facial Recognition>
+<Fingerprint Analysis, connectedTo, Legal Standards Compliance>
+<Forensic Accounting, connectedTo, Bloodstain Pattern Analysis>
+<Forensic Accounting, connectedTo, Crime Database Search>
+<Forensic Accounting, connectedTo, Evidence Preservation>
+<Forensic Accounting, connectedTo, Forensic Odontology>
+<Forensic Entomology, connectedTo, Trace Evidence Analysis>
+<Forensic Entomology, partOf, Forensic Entomology>
+<Forensic Interviewing, connectedTo, Evidence Collection>
+<Forensic Odontology, connectedTo, Bloodstain Pattern Analysis>
+<Forensic Pathology, connectedTo, Facial Recognition>
+<Forensic Pathology, connectedTo, Forensic Interviewing>
+<Legal Standards Compliance, connectedTo, Bloodstain Pattern Analysis>
+<Legal Standards Compliance, connectedTo, Toolmark Analysis>
+<Mobile Device Forensics, connectedTo, Ballistics Analysis>
+<Mobile Device Forensics, connectedTo, Cyber Crime Investigation>
+<Network Forensics, connectedTo, Crime Database Search>
+<Polygraph Examination, connectedTo, Ballistics Analysis>
+<Toolmark Analysis, connectedTo, Bloodstain Pattern Analysis>
+<Toolmark Analysis, connectedTo, Chain of Custody Management>
+<Trace Evidence Analysis, connectedTo, Forensic Pathology>
diff --git a/train/graphviz/hard/graphviz_806.dot b/train/graphviz/hard/graphviz_806.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0eb4a8884e85bd8ca043a0e6e8c40fcf6e7e824b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_806.dot
@@ -0,0 +1,54 @@
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+		nest1_0 [label="Fingerprint Analysis" color="#388E3C" fillcolor="#F1F8E9" shape=octagon style=filled]
+		nest1_1 [label="Forensic Accounting" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+		nest1_2 [label="Vehicle Forensics" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+		nest1_3 [label="Forensic Entomology" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#42A5F5" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+		nest1_3 -> nest1_1 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N1 -> N2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N2 -> N3 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N3 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N8 -> N9 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	N3 -> nest0_0 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N6 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	N7 -> nest1_0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> S1 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N3 [color="#388E3C" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#388E3C" dir=forward penwidth=1.5 style=solid]
+	nest1_3 -> N4 [label=trains color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N7 -> N2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	nest1_1 -> N5 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
+	nest1_0 -> N0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_808.txt b/train/graphviz/hard/graphviz_808.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e7d991ec78093c4d9c24a85688bf077ed626033f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_808.txt
@@ -0,0 +1,43 @@
+<Arson Investigation, reports, Legal Standards Compliance>
+<Ballistics Analysis, identifies, Legal Standards Compliance>
+<Ballistics Analysis, partOf, Ballistics Analysis>
+<Bloodstain Pattern Analysis, connectedTo, Cyber Crime Investigation>
+<Chain of Custody Management, connectedTo, DNA Profiling>
+<Chain of Custody Management, partOf, Chain of Custody Management>
+<Cold Case Review, connectedTo, Digital Forensics>
+<Courtroom Presentation, connectedTo, Chain of Custody Management>
+<Courtroom Presentation, connectedTo, Malware Analysis>
+<Courtroom Presentation, connectedTo, Voice Recognition>
+<Cyber Crime Investigation, connectedTo, Expert Witness Testimony>
+<DNA Profiling, connectedTo, Facial Recognition>
+<DNA Profiling, partOf, DNA Profiling>
+<Digital Forensics, connectedTo, Courtroom Presentation>
+<Evidence Collection, connectedTo, Evidence Preservation>
+<Evidence Collection, partOf, Evidence Collection>
+<Evidence Preservation, connectedTo, Ballistics Analysis>
+<Evidence Preservation, partOf, Evidence Preservation>
+<Expert Witness Testimony, complies, Cloud Forensics>
+<Expert Witness Testimony, connectedTo, Vehicle Forensics>
+<Expert Witness Testimony, protects, Polygraph Examination>
+<Facial Recognition, connectedTo, Forensic Odontology>
+<Facial Recognition, partOf, Facial Recognition>
+<Forensic Entomology, connectedTo, Evidence Collection>
+<Forensic Entomology, connectedTo, Mobile Device Forensics>
+<Forensic Odontology, connectedTo, Courtroom Presentation>
+<Forensic Odontology, partOf, Forensic Odontology>
+<Forensic Pathology, connectedTo, Courtroom Presentation>
+<Forensic Pathology, connectedTo, Forensic Entomology>
+<Forensic Pathology, connectedTo, Malware Analysis>
+<Forensic Photography, connectedTo, Malware Analysis>
+<Legal Standards Compliance, connectedTo, Courtroom Presentation>
+<Legal Standards Compliance, connectedTo, Forensic Pathology>
+<Malware Analysis, connectedTo, Bloodstain Pattern Analysis>
+<Mobile Device Forensics, connectedTo, Cold Case Review>
+<Polygraph Examination, connectedTo, Cloud Forensics>
+<Toxicology Testing, connectedTo, Bloodstain Pattern Analysis>
+<Toxicology Testing, connectedTo, Digital Forensics>
+<Toxicology Testing, connectedTo, Malware Analysis>
+<Toxicology Testing, connectedTo, Mobile Device Forensics>
+<Toxicology Testing, secures, Arson Investigation>
+<Vehicle Forensics, connectedTo, Polygraph Examination>
+<Voice Recognition, connectedTo, Forensic Photography>
diff --git a/train/graphviz/hard/graphviz_809.txt b/train/graphviz/hard/graphviz_809.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c09422ad4d0fa0edc0a2f35c6e0cf7071254f5f1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_809.txt
@@ -0,0 +1,47 @@
+<Behavioral Threat Assessment, connectedTo, Insider Threat Programs>
+<Behavioral Threat Assessment, partOf, Behavioral Threat Assessment>
+<Bomb Disposal, connectedTo, Information Sharing>
+<Crisis Response Planning, connectedTo, Bomb Disposal>
+<Cybersecurity Defense, connectedTo, Crisis Response Planning>
+<Data Analytics for Terrorism, connectedTo, Bomb Disposal>
+<Data Analytics for Terrorism, connectedTo, Risk_Based Security Measures>
+<Early Warning Systems, connectedTo, Law Enforcement Operations>
+<Emergency Preparedness, connectedTo, Data Analytics for Terrorism>
+<Forensic Investigation of Attacks, connectedTo, Threat Assessment>
+<Forensic Investigation of Attacks, partOf, Forensic Investigation of Attacks>
+<Fusion Center Operations, connectedTo, Bomb Disposal>
+<Fusion Center Operations, partOf, Fusion Center Operations>
+<Homeland Security Planning, connectedTo, Early Warning Systems>
+<Information Sharing, connectedTo, Terrorism Financing Interdiction>
+<Insider Threat Programs, connectedTo, Port Security>
+<Insider Threat Programs, partOf, Insider Threat Programs>
+<Intelligence Analysis, connectedTo, Cybersecurity Defense>
+<Intelligence Gathering, connectedTo, Forensic Investigation of Attacks>
+<Intelligence Gathering, connectedTo, Homeland Security Planning>
+<International Cooperation, connectedTo, Military Counterterrorism>
+<Law Enforcement Operations, connectedTo, Behavioral Threat Assessment>
+<Law Enforcement Operations, connectedTo, Critical Infrastructure Protection>
+<Military Counterterrorism, connectedTo, Bomb Disposal>
+<Military Counterterrorism, connectedTo, Crisis Response Planning>
+<Military Counterterrorism, connectedTo, Early Warning Systems>
+<Military Counterterrorism, connectedTo, Emergency Preparedness>
+<Military Counterterrorism, connectedTo, Risk_Based Security Measures>
+<Port Security, connectedTo, Target Hardening>
+<Port Security, partOf, Port Security>
+<Risk_Based Security Measures, connectedTo, Bomb Disposal>
+<Risk_Based Security Measures, connectedTo, Training Exercises>
+<Surveillance and Monitoring, connectedTo, Fusion Center Operations>
+<Surveillance and Monitoring, partOf, Surveillance and Monitoring>
+<Target Hardening, connectedTo, Critical Infrastructure Protection>
+<Target Hardening, partOf, Target Hardening>
+<Terrorism Financing Interdiction, connectedTo, Critical Infrastructure Protection>
+<Terrorism Financing Interdiction, connectedTo, Early Warning Systems>
+<Terrorism Financing Interdiction, connectedTo, Homeland Security Planning>
+<Terrorism Financing Interdiction, connectedTo, Intelligence Gathering>
+<Terrorism Financing Interdiction, connectedTo, Law Enforcement Operations>
+<Threat Assessment, connectedTo, Surveillance and Monitoring>
+<Threat Assessment, partOf, Threat Assessment>
+<Training Exercises, connectedTo, Bomb Disposal>
+<Training Exercises, connectedTo, Vulnerability Assessment>
+<Vulnerability Assessment, connectedTo, Intelligence Analysis>
+<Vulnerability Assessment, drills, Bomb Disposal>
diff --git a/train/graphviz/hard/graphviz_812.dot b/train/graphviz/hard/graphviz_812.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3a02d186891478b65af15ce8a88a431730913ab7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_812.dot
@@ -0,0 +1,62 @@
+digraph {
+	rankdir=RL
+	N0 [label="Early Warning Systems" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N1 [label="International Cooperation" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
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+		nest0_1 [label="Airport Security" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+		nest0_2 [label="Transportation Security" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
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+		nest0_1 -> nest0_2 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	}
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+		nest1_1 [label="Training Exercises" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_815.dot b/train/graphviz/hard/graphviz_815.dot
new file mode 100644
index 0000000000000000000000000000000000000000..caa92ba6fc5cf12c19e2482e5b9a8352f855da06
--- /dev/null
+++ b/train/graphviz/hard/graphviz_815.dot
@@ -0,0 +1,82 @@
+digraph {
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+}
diff --git a/train/graphviz/hard/graphviz_815.txt b/train/graphviz/hard/graphviz_815.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dda7494a6adf379135942a5167047b0cf411e3a3
--- /dev/null
+++ b/train/graphviz/hard/graphviz_815.txt
@@ -0,0 +1,46 @@
+<Airport Security, connectedTo, Military Counterterrorism>
+<Airport Security, partOf, Airport Security>
+<Biometric Screening, connectedTo, Insider Threat Programs>
+<Bomb Disposal, connectedTo, Threat Assessment>
+<Bomb Disposal, weapons_interdicts, Emergency Preparedness>
+<Border Security, connectedTo, Biometric Screening>
+<Counter_Propaganda, connectedTo, Early Warning Systems>
+<Counter_Propaganda, connectedTo, Psychological Operations>
+<Crisis Response Planning, connectedTo, Terrorism Financing Interdiction>
+<Crisis Response Planning, partOf, Crisis Response Planning>
+<Data Analytics for Terrorism, connectedTo, Early Warning Systems>
+<Data Analytics for Terrorism, connectedTo, Emergency Preparedness>
+<Data Analytics for Terrorism, connectedTo, Post_Incident Recovery>
+<Data Analytics for Terrorism, connectedTo, Public Awareness Campaigns>
+<Data Analytics for Terrorism, connectedTo, Target Hardening>
+<Emergency Preparedness, connectedTo, Legislation and Policy Development>
+<Fusion Center Operations, connectedTo, Biometric Screening>
+<Fusion Center Operations, connectedTo, Border Security>
+<Insider Threat Programs, connectedTo, Transportation Security>
+<Intelligence Analysis, connectedTo, Counter_Propaganda>
+<Intelligence Analysis, partOf, Intelligence Analysis>
+<Law Enforcement Operations, connectedTo, Intelligence Analysis>
+<Law Enforcement Operations, partOf, Law Enforcement Operations>
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+<Military Counterterrorism, partOf, Military Counterterrorism>
+<Post_Incident Recovery, connectedTo, Airport Security>
+<Post_Incident Recovery, connectedTo, Biometric Screening>
+<Post_Incident Recovery, connectedTo, Emergency Preparedness>
+<Psychological Operations, connectedTo, Risk_Based Security Measures>
+<Psychological Operations, partOf, Psychological Operations>
+<Public Awareness Campaigns, connectedTo, Biometric Screening>
+<Public Awareness Campaigns, connectedTo, Fusion Center Operations>
+<Risk_Based Security Measures, connectedTo, Law Enforcement Operations>
+<Risk_Based Security Measures, partOf, Risk_Based Security Measures>
+<Target Hardening, connectedTo, Public Awareness Campaigns>
+<Terrorism Financing Interdiction, connectedTo, Biometric Screening>
+<Terrorism Financing Interdiction, connectedTo, Data Analytics for Terrorism>
+<Terrorism Financing Interdiction, connectedTo, Emergency Preparedness>
+<Threat Assessment, connectedTo, Biometric Screening>
+<Threat Assessment, connectedTo, Counter_Propaganda>
+<Threat Assessment, connectedTo, Early Warning Systems>
+<Threat Assessment, connectedTo, Emergency Preparedness>
+<Threat Assessment, connectedTo, Target Hardening>
+<Threat Assessment, responds, Terrorism Financing Interdiction>
+<Transportation Security, connectedTo, Counter_Propaganda>
diff --git a/train/graphviz/hard/graphviz_816.txt b/train/graphviz/hard/graphviz_816.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7ea7054845794e7f93b3868c426ea0153ce2f51d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_816.txt
@@ -0,0 +1,46 @@
+<Airport Security, connectedTo, Counter_Propaganda>
+<Airport Security, partOf, Airport Security>
+<Behavioral Threat Assessment, connectedTo, Intelligence Analysis>
+<Behavioral Threat Assessment, partOf, Behavioral Threat Assessment>
+<Counter_Propaganda, connectedTo, Intelligence Gathering>
+<Counter_Propaganda, partOf, Counter_Propaganda>
+<Cybersecurity Defense, connectedTo, Behavioral Threat Assessment>
+<Cybersecurity Defense, connectedTo, Forensic Investigation of Attacks>
+<Cybersecurity Defense, connectedTo, Risk Analysis>
+<Data Analytics for Terrorism, alerts, Radicalization Prevention>
+<Data Analytics for Terrorism, connectedTo, Drone Countermeasures>
+<Data Analytics for Terrorism, connectedTo, Port Security>
+<Data Analytics for Terrorism, connectedTo, Psychological Operations>
+<Data Analytics for Terrorism, connectedTo, Threat Assessment>
+<Drone Countermeasures, connectedTo, Cybersecurity Defense>
+<Drone Countermeasures, connectedTo, Emergency Preparedness>
+<Drone Countermeasures, connectedTo, Forensic Investigation of Attacks>
+<Drone Countermeasures, connectedTo, Port Security>
+<Drone Countermeasures, connectedTo, Threat Assessment>
+<Emergency Preparedness, secures, Cybersecurity Defense>
+<Forensic Investigation of Attacks, connectedTo, Risk_Based Security Measures>
+<Intelligence Analysis, connectedTo, Target Hardening>
+<Intelligence Analysis, partOf, Intelligence Analysis>
+<Intelligence Gathering, connectedTo, Risk_Based Security Measures>
+<Intelligence Gathering, partOf, Intelligence Gathering>
+<Law Enforcement Operations, connectedTo, Terrorism Financing Interdiction>
+<Legislation and Policy Development, connectedTo, Law Enforcement Operations>
+<Military Counterterrorism, connectedTo, Drone Countermeasures>
+<Military Counterterrorism, connectedTo, Legislation and Policy Development>
+<Military Counterterrorism, connectedTo, Psychological Operations>
+<Port Security, connectedTo, Threat Assessment>
+<Psychological Operations, connectedTo, Drone Countermeasures>
+<Radicalization Prevention, connectedTo, Military Counterterrorism>
+<Radicalization Prevention, connectedTo, Psychological Operations>
+<Risk Analysis, connectedTo, Airport Security>
+<Risk Analysis, partOf, Risk Analysis>
+<Surveillance and Monitoring, connectedTo, Drone Countermeasures>
+<Surveillance and Monitoring, partOf, Surveillance and Monitoring>
+<Target Hardening, connectedTo, Surveillance and Monitoring>
+<Target Hardening, partOf, Target Hardening>
+<Terrorism Financing Interdiction, connectedTo, Drone Countermeasures>
+<Terrorism Financing Interdiction, connectedTo, Psychological Operations>
+<Threat Assessment, connectedTo, Emergency Preparedness>
+<Training Exercises, connectedTo, Data Analytics for Terrorism>
+<Training Exercises, connectedTo, Drone Countermeasures>
+<Training Exercises, connectedTo, Psychological Operations>
diff --git a/train/graphviz/hard/graphviz_817.dot b/train/graphviz/hard/graphviz_817.dot
new file mode 100644
index 0000000000000000000000000000000000000000..853ceb9fb33c492c990d49819380f369527c631c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_817.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=RL
+	N0 [label="Pattern Recognition" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N1 [label="Ethical Guidelines" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N2 [label="Sensor Network Deployment" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
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+	N5 [label="Thermal Imaging" color="#D2D2D2" fillcolor="#F0F0F0" shape=Mdiamond style=filled]
+	N6 [label="Traffic Surveillance" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
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+	N8 [label="Remote Sensing" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N9 [label="Public Space Monitoring" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_0 [label="Border Surveillance" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+		nest0_1 [label="Access Control Systems" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+		nest0_2 [label="Perimeter Security" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest0_3 [label="Drone Surveillance" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest0_0 -> nest0_1 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
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+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Industrial Surveillance" color="#D2D2D2" fillcolor="#F0F0F0" shape=oval style=filled]
+		nest1_1 [label="Biometric Data Analysis" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+		nest1_2 [label="Facial Recognition Systems" color="#94C0C0" fillcolor="#CADEDE" shape=oval style=filled]
+		nest1_0 -> nest1_1 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
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+	S2 -> N6 [color="#D2D2D2" dir=forward penwidth=1.5 style=dashed]
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+	N0 -> M1 [color="#94C0C0" dir=forward penwidth=1.5 style=solid]
+	N5 -> M1 [label=manages color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N7 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N0 -> M2 [color="#BDBDBD" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M2 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+	N3 -> M2 [color="#94C0C0" dir=forward penwidth=1.5 style=dashed]
+	M2 -> N5 [color="#BDBDBD" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_818.dot b/train/graphviz/hard/graphviz_818.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ae7a017dd7775f20ea53498e6309bd8d3a14d82
--- /dev/null
+++ b/train/graphviz/hard/graphviz_818.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=LR
+	N0 [label="Intrusion Detection" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
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+	N7 [label="Real_time Alerts" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
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+	N13 [label="Social Media Monitoring" color="#C0CA33" fillcolor="#F9FBE7" shape=octagon style=filled]
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+	S1 -> N12 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [color="#73C6BC" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_822.txt b/train/graphviz/hard/graphviz_822.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2578a541d8045ce9baa8a1237a7222dcfd35c8a5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_822.txt
@@ -0,0 +1,39 @@
+<Access Control Systems, connectedTo, Facial Recognition Systems>
+<Access Control Systems, partOf, Access Control Systems>
+<Behavioral Analytics, connectedTo, Real_time Alerts>
+<Behavioral Analytics, connectedTo, Remote Sensing>
+<Behavioral Analytics, connectedTo, Video Analytics>
+<Biometric Data Analysis, connectedTo, Legal Compliance>
+<Biometric Data Analysis, connectedTo, Public Space Monitoring>
+<Biometric Data Analysis, connectedTo, Sensor Network Deployment>
+<Data Collection, connectedTo, Sensor Network Deployment>
+<Data Collection, partOf, Data Collection>
+<Environmental Monitoring, connectedTo, Social Media Monitoring>
+<Facial Recognition Systems, connectedTo, Satellite Imaging>
+<Facial Recognition Systems, partOf, Facial Recognition Systems>
+<Industrial Surveillance, connectedTo, Biometric Data Analysis>
+<Internet Traffic Monitoring, connectedTo, Industrial Surveillance>
+<Intrusion Detection, connectedTo, Wildlife Tracking>
+<Legal Compliance, connectedTo, Access Control Systems>
+<Legal Compliance, connectedTo, Sensor Network Deployment>
+<Mobile Phone Interception, connectedTo, Intrusion Detection>
+<Night Vision Technology, connectedTo, Thermal Imaging>
+<Pattern Recognition, connectedTo, Mobile Phone Interception>
+<Pattern Recognition, connectedTo, Video Analytics>
+<Perimeter Security, connectedTo, Video Analytics>
+<Physical Security Integration, connectedTo, Perimeter Security>
+<Physical Security Integration, partOf, Physical Security Integration>
+<Public Space Monitoring, connectedTo, Night Vision Technology>
+<Real_time Alerts, connectedTo, Physical Security Integration>
+<Real_time Alerts, partOf, Real_time Alerts>
+<Remote Sensing, connectedTo, Perimeter Security>
+<Satellite Imaging, connectedTo, Data Collection>
+<Satellite Imaging, partOf, Satellite Imaging>
+<Sensor Network Deployment, connectedTo, Environmental Monitoring>
+<Social Media Monitoring, connectedTo, Night Vision Technology>
+<Social Media Monitoring, connectedTo, Public Space Monitoring>
+<Social Media Monitoring, connectedTo, Thermal Imaging>
+<Traffic Surveillance, connectedTo, Video Analytics>
+<Traffic Surveillance, verifies, Behavioral Analytics>
+<Video Analytics, connectedTo, Internet Traffic Monitoring>
+<Wildlife Tracking, connectedTo, Traffic Surveillance>
diff --git a/train/graphviz/hard/graphviz_823.dot b/train/graphviz/hard/graphviz_823.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7ab941f645756e28fe90bb75e8d7124854c6b14d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_823.dot
@@ -0,0 +1,73 @@
+digraph {
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+	N4 [label="Network Monitoring" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
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+	N1 -> N2 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N2 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest0_1 -> N9 [label=visualizes color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	N4 -> nest1_0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N5 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N3 -> S0 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N13 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N6 [color="#E0E0E0" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> S1 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [color="#FFE69C" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N12 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N6 -> S2 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N13 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S2 -> N11 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N12 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#FFE69C" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N7 [color="#E0E0E0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_824.txt b/train/graphviz/hard/graphviz_824.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cf01591583e386dbe296babc98ed16002860382f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_824.txt
@@ -0,0 +1,33 @@
+<Anomaly Detection, connectedTo, CCTV Monitoring>
+<Anomaly Detection, connectedTo, Industrial Surveillance>
+<Anomaly Detection, connectedTo, Privacy Concerns Mitigation>
+<Anomaly Detection, connectedTo, Sensor Network Deployment>
+<Asset Tracking, connectedTo, Drone Surveillance>
+<Asset Tracking, partOf, Asset Tracking>
+<Biometric Data Analysis, connectedTo, Facial Recognition Systems>
+<Biometric Data Analysis, connectedTo, Night Vision Technology>
+<CCTV Monitoring, connectedTo, Privacy Concerns Mitigation>
+<Drone Surveillance, connectedTo, Wildlife Tracking>
+<Drone Surveillance, partOf, Drone Surveillance>
+<Environmental Monitoring, connectedTo, CCTV Monitoring>
+<Environmental Monitoring, connectedTo, Perimeter Security>
+<Ethical Guidelines, connectedTo, Remote Sensing>
+<Ethical Guidelines, partOf, Ethical Guidelines>
+<Facial Recognition Systems, connectedTo, CCTV Monitoring>
+<Facial Recognition Systems, connectedTo, Industrial Surveillance>
+<Facial Recognition Systems, connectedTo, Legal Compliance>
+<Facial Recognition Systems, connectedTo, Perimeter Security>
+<Facial Recognition Systems, connectedTo, Privacy Concerns Mitigation>
+<Industrial Surveillance, connectedTo, Legal Compliance>
+<Legal Compliance, connectedTo, Asset Tracking>
+<Legal Compliance, connectedTo, Environmental Monitoring>
+<Night Vision Technology, connectedTo, Ethical Guidelines>
+<Night Vision Technology, partOf, Night Vision Technology>
+<Perimeter Security, connectedTo, CCTV Monitoring>
+<Perimeter Security, connectedTo, Privacy Concerns Mitigation>
+<Perimeter Security, connectedTo, Remote Sensing>
+<Remote Sensing, connectedTo, CCTV Monitoring>
+<Sensor Network Deployment, connectedTo, Biometric Data Analysis>
+<Sensor Network Deployment, connectedTo, CCTV Monitoring>
+<Wildlife Tracking, connectedTo, Legal Compliance>
+<Wildlife Tracking, partOf, Wildlife Tracking>
diff --git a/train/graphviz/hard/graphviz_828.txt b/train/graphviz/hard/graphviz_828.txt
new file mode 100644
index 0000000000000000000000000000000000000000..476f17708c5c83651235ef34b2512e26e9621cc5
--- /dev/null
+++ b/train/graphviz/hard/graphviz_828.txt
@@ -0,0 +1,40 @@
+<CCTV Installation, connectedTo, Mediation Services>
+<CCTV Installation, connectedTo, School Safety Programs>
+<Community Policing, hotspots, Patrol Operations>
+<Crime Prevention Through Education, connectedTo, Identity Theft Prevention>
+<Crime Prevention Through Education, partOf, Crime Prevention Through Education>
+<Deterrence Strategies, connectedTo, Rehabilitation Programs>
+<Deterrence Strategies, partOf, Deterrence Strategies>
+<Drug Prevention Initiatives, connectedTo, Reintegration Programs>
+<Environmental Design, connectedTo, Drug Prevention Initiatives>
+<Environmental Design, connectedTo, Vehicle Theft Prevention>
+<Hotspot Policing, connectedTo, Mediation Services>
+<Hotspot Policing, partOf, Hotspot Policing>
+<Identity Theft Prevention, connectedTo, Restorative Justice>
+<Identity Theft Prevention, partOf, Identity Theft Prevention>
+<Law Enforcement Training, connectedTo, CCTV Installation>
+<Law Enforcement Training, connectedTo, Community Policing>
+<Law Enforcement Training, connectedTo, Crime Prevention Through Education>
+<Law Enforcement Training, connectedTo, Mediation Services>
+<Law Enforcement Training, connectedTo, Patrol Operations>
+<Law Enforcement Training, connectedTo, Restorative Justice>
+<Mediation Services, connectedTo, Restorative Justice>
+<Patrol Operations, connectedTo, CCTV Installation>
+<Police_Community Relations, connectedTo, Community Policing>
+<Police_Community Relations, connectedTo, Drug Prevention Initiatives>
+<Police_Community Relations, connectedTo, Law Enforcement Training>
+<Police_Community Relations, connectedTo, Technology for Prevention>
+<Rehabilitation Programs, connectedTo, Hotspot Policing>
+<Rehabilitation Programs, partOf, Rehabilitation Programs>
+<Reintegration Programs, connectedTo, CCTV Installation>
+<Reintegration Programs, connectedTo, Security Lighting>
+<Restorative Justice, connectedTo, Situational Crime Prevention>
+<School Safety Programs, connectedTo, Deterrence Strategies>
+<School Safety Programs, partOf, School Safety Programs>
+<Security Lighting, connectedTo, CCTV Installation>
+<Security Lighting, deters, Law Enforcement Training>
+<Technology for Prevention, connectedTo, Drug Prevention Initiatives>
+<Vehicle Theft Prevention, connectedTo, Drug Prevention Initiatives>
+<Vehicle Theft Prevention, connectedTo, Patrol Operations>
+<Vehicle Theft Prevention, connectedTo, Police_Community Relations>
+<Vehicle Theft Prevention, connectedTo, Situational Crime Prevention>
diff --git a/train/graphviz/hard/graphviz_83.dot b/train/graphviz/hard/graphviz_83.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dd5983e90a4a1759804868e01b29077a2d5ca930
--- /dev/null
+++ b/train/graphviz/hard/graphviz_83.dot
@@ -0,0 +1,93 @@
+digraph {
+	rankdir=TD
+	N0 [label="Livestock Feeding" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N1 [label="Equipment Repair" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N2 [label="Greenhouse Control" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N3 [label="Weather Tracking" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N4 [label="Irrigation Scheduling" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N5 [label=Storage color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N6 [label="Yield Prediction" color="#A188DB" fillcolor="#DED7F0" shape=octagon style=filled]
+	N7 [label="Hydroponic System Management" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N8 [label="Seedling Transplanting" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N9 [label="Soil Testing" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N10 [label="Drone Scouting" color="#BA68C8" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N11 [label="Pest Spraying" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+	N12 [label="Produce Sorting" color="#A188DB" fillcolor="#DED7F0" shape=plaintext style=filled]
+	N13 [label="Fertilizer Application" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N14 [label="Crop Monitoring" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N15 [label="Precision Farming" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N16 [label="Disease Detection" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N17 [label="Farm Maintenance" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	S0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S1 [label="" color="#A188DB" fillcolor="#DED7F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	S2 [label="" color="#A188DB" fillcolor="#DED7F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#BA68C8" fillcolor="#F3E5F5" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M2 [label="" color="#4DD0E1" fillcolor="#C9F0F0" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#F3E5F5" fontname=Helvetica fontsize=10 label="Supply Chain to Retailers" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Food Processing" color="#A188DB" fillcolor="#DED7F0" shape=oval style=filled]
+		nest0_1 [label="Animal Health Monitoring" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
+		color=gray50 fillcolor="#E0F2F1" fontname=Helvetica fontsize=10 label="Organic Certification" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest1_0 [label=Harvesting color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+		nest1_1 [label="Aquaculture Farming" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+		nest1_2 [label="Barn Cleaning" color="#4DD0E1" fillcolor="#C9F0F0" shape=plaintext style=filled]
+		nest1_3 [label="Grain Drying" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+		nest1_2 -> nest1_3 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	}
+	N0 -> N1 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N1 -> N2 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N2 -> N3 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N3 -> N4 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N4 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N5 -> N6 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=applies color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [label=fertilizes color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N8 -> N9 [label=predicts color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N9 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N11 -> N12 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N12 -> N13 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N14 -> N15 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N15 -> N16 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N16 -> N17 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N12 -> nest0_0 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N9 -> nest1_0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	nest1_3 -> N2 [label=advises color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N10 -> S0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N12 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N15 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N16 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N12 -> S1 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N15 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S1 -> N16 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	S1 -> N17 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N14 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> S2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S2 -> N4 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	S2 -> N10 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M0 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N7 -> M0 [color="#BA68C8" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M0 [color="#4DD0E1" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#4DD0E1" dir=forward penwidth=1.5 style=solid]
+	N10 -> M1 [label=transports color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N6 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N11 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	M1 -> N13 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N4 -> M2 [color="#A188DB" dir=forward penwidth=1.5 style=dashed]
+	N8 -> M2 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#BA68C8" dir=forward penwidth=1.5 style=solid]
+	M2 -> N11 [color="#A188DB" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_830.dot b/train/graphviz/hard/graphviz_830.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7cbc31c26f67f6d15489c06a10eae4285cce7b7f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_830.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=TD
+	N0 [label="Community Policing" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N1 [label="Cybercrime Prevention" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N2 [label="Early Intervention Programs" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N3 [label="Hotspot Policing" color="#9575CD" fillcolor="#EDE7F6" shape=Mdiamond style=filled]
+	N4 [label="Domestic Violence Prevention" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N5 [label="Deterrence Strategies" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N6 [label="Target Hardening" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N7 [label="Police_Community Relations" color="#7E57C2" fillcolor="#D1C4E9" shape=Mdiamond style=filled]
+	N8 [label="CCTV Installation" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N9 [label="Patrol Operations" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N10 [label="Reintegration Programs" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N11 [label="Gun Violence Prevention" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N12 [label="Vehicle Theft Prevention" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N13 [label="Security Lighting" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N14 [label="Technology for Prevention" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N15 [label="Identity Theft Prevention" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N16 [label="Gang Intervention" color="#9575CD" fillcolor="#EDE7F6" shape=folder style=filled]
+	N17 [label="Sexual Assault Prevention" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	S0 [label="" color="#9575CD" fillcolor="#EDE7F6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	S2 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	M0 [label="" color="#6EB76D" fillcolor="#E9F7E8" fixedsize=true height=0.1 shape=box style=filled width=0.1]
+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
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+		nest0_1 [label="Restorative Justice" color="#9575CD" fillcolor="#EDE7F6" shape=hexagon style=filled]
+		nest0_0 -> nest0_1 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_0 [label="Environmental Design" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+		nest1_1 [label="Victim Support Services" color="#9575CD" fillcolor="#EDE7F6" shape=oval style=filled]
+		nest1_2 [label="Law Enforcement Training" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+		nest1_0 -> nest1_1 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+		nest1_1 -> nest1_2 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	}
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+	N4 -> N5 [label=alerts color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N5 -> N6 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N6 -> N7 [label=reports color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
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+	N12 -> N13 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N13 -> N14 [label=deters color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N16 -> N17 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N1 -> nest0_0 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	nest0_1 -> N6 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	N4 -> nest1_0 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	nest1_2 -> N5 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N7 -> S0 [color="#6EB76D" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [label=trends color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S0 -> N14 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N10 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N4 -> S1 [color="#7E57C2" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N13 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	S1 -> N11 [label=educates color="#6EB76D" dir=forward penwidth=1.5 style=solid]
+	N3 -> S2 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	S2 -> N14 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N6 [color="#9575CD" dir=forward penwidth=1.5 style=solid]
+	N0 -> M0 [color="#7E57C2" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#9575CD" dir=forward penwidth=1.5 style=dashed]
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+}
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new file mode 100644
index 0000000000000000000000000000000000000000..5faa6c16e482b47b49fe8af3b55edf6d7ae79883
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diff --git a/train/graphviz/hard/graphviz_833.txt b/train/graphviz/hard/graphviz_833.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f95505aff65ee1a3e7d08bc45e910f147e8e9db
--- /dev/null
+++ b/train/graphviz/hard/graphviz_833.txt
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diff --git a/train/graphviz/hard/graphviz_839.dot b/train/graphviz/hard/graphviz_839.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a98da149511fb19cd563a6673ec6068867bfd6b2
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_839.txt b/train/graphviz/hard/graphviz_839.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e83019916b6c02e1bdfe8f1e1b60f01141416a9b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_839.txt
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diff --git a/train/graphviz/hard/graphviz_84.dot b/train/graphviz/hard/graphviz_84.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d6e1f53d74d7b9c72ffbbd3045ec319323017a0a
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diff --git a/train/graphviz/hard/graphviz_840.dot b/train/graphviz/hard/graphviz_840.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e380a4d10f064af39d4f3f47d0dded4da57b4802
--- /dev/null
+++ b/train/graphviz/hard/graphviz_840.dot
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diff --git a/train/graphviz/hard/graphviz_841.txt b/train/graphviz/hard/graphviz_841.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d274d533d6223295c02b67cbb268ddec726f3de9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_841.txt
@@ -0,0 +1,33 @@
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+<Marine Hazards Assessment, partOf, Marine Hazards Assessment>
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+<Marine Life Observation, connectedTo, Polar Oceanography>
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+<Ocean Modeling, connectedTo, Marine Geology>
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+<Satellite Oceanography, connectedTo, Coastal Zone Management>
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+<Tsunami Prediction, partOf, Tsunami Prediction>
+<Underwater Acoustics, connectedTo, Biological Oceanography>
+<Underwater Acoustics, pollution, Ocean Modeling>
diff --git a/train/graphviz/hard/graphviz_842.txt b/train/graphviz/hard/graphviz_842.txt
new file mode 100644
index 0000000000000000000000000000000000000000..828a5264184ef062dea487c01256c34433f07f7d
--- /dev/null
+++ b/train/graphviz/hard/graphviz_842.txt
@@ -0,0 +1,38 @@
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+<Data Visualization, connectedTo, Tsunami Prediction>
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+<Marine Geology, connectedTo, Ocean Renewable Energy>
+<Marine Geology, processes_images, Ocean Acidification Research>
+<Marine Remote Sensing, connectedTo, Acoustic Oceanography>
+<Ocean Acidification Research, connectedTo, Sea Level Monitoring>
+<Ocean Drilling Programs, connectedTo, Biological Oceanography>
+<Ocean Drilling Programs, connectedTo, Ocean Acidification Research>
+<Ocean Drilling Programs, connectedTo, Plastic Pollution Research>
+<Ocean Renewable Energy, connectedTo, Biological Oceanography>
+<Ocean Renewable Energy, connectedTo, Marine Ecosystem Health>
+<Ocean Renewable Energy, pollution, Ocean Acidification Research>
+<Ocean Temperature Sensing, connectedTo, Ocean Drilling Programs>
+<Physical Oceanography, connectedTo, Ocean Temperature Sensing>
+<Physical Oceanography, tides, Ocean Acidification Research>
+<Plastic Pollution Research, connectedTo, Data Visualization>
+<Plastic Pollution Research, partOf, Plastic Pollution Research>
+<Polar Oceanography, connectedTo, Satellite Oceanography>
+<Polar Oceanography, partOf, Polar Oceanography>
+<Satellite Oceanography, connectedTo, Fisheries Management>
+<Satellite Oceanography, partOf, Satellite Oceanography>
+<Sea Level Monitoring, connectedTo, Marine Remote Sensing>
+<Seabed Resource Exploration, connectedTo, Physical Oceanography>
+<Tsunami Prediction, connectedTo, Fisheries Management>
diff --git a/train/graphviz/hard/graphviz_844.dot b/train/graphviz/hard/graphviz_844.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5ff7d56d0f0a64717fedfd4af36e9b9f201e810f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_844.dot
@@ -0,0 +1,60 @@
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diff --git a/train/graphviz/hard/graphviz_845.txt b/train/graphviz/hard/graphviz_845.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c40fa42ac8da65b57aa53099553f87331c65b08
--- /dev/null
+++ b/train/graphviz/hard/graphviz_845.txt
@@ -0,0 +1,45 @@
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diff --git a/train/graphviz/hard/graphviz_847.dot b/train/graphviz/hard/graphviz_847.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d42d37d06aef7898f5d3f28bb56db40aa232a34
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_849.txt b/train/graphviz/hard/graphviz_849.txt
new file mode 100644
index 0000000000000000000000000000000000000000..488dd58575bacc7a0aa6745057f380ad8cecd88e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_849.txt
@@ -0,0 +1,39 @@
+<Aftershock Analysis, connectedTo, Earthquake Detection>
+<Aftershock Analysis, connectedTo, Geophysical Exploration>
+<Building Code Development, connectedTo, Aftershock Analysis>
+<Building Code Development, connectedTo, Seismic Hazard Assessment>
+<Building Code Development, connectedTo, Seismic Instrumentation Maintenance>
+<Geophysical Exploration, connectedTo, Tectonic Stress Measurement>
+<Geophysical Exploration, partOf, Geophysical Exploration>
+<Ground Motion Prediction, connectedTo, Liquefaction Potential Assessment>
+<Ground Motion Prediction, connectedTo, Seismic Array Deployment>
+<Ground Motion Prediction, connectedTo, Seismic Tomography>
+<Induced Seismicity Monitoring, connectedTo, Structural Response to Earthquakes>
+<Induced Seismicity Monitoring, partOf, Induced Seismicity Monitoring>
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+<Liquefaction Potential Assessment, connectedTo, Structural Response to Earthquakes>
+<P_Wave or S_Wave Distinction, connectedTo, Seismic Array Deployment>
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+<Paleoseismology, connectedTo, Tectonic Plate Movement Monitoring>
+<Paleoseismology, partOf, Paleoseismology>
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+<Seismic Hazard Assessment, connectedTo, Aftershock Analysis>
+<Seismic Instrumentation Maintenance, connectedTo, Subsurface Imaging>
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+<Seismic Tomography, connectedTo, Building Code Development>
+<Seismic Tomography, connectedTo, Tsunami Warning Systems>
+<Seismic Tomography, locates, Seismic Hazard Assessment>
+<Seismic Tomography, measures, Paleoseismology>
+<Structural Response to Earthquakes, connectedTo, P_Wave or S_Wave Distinction>
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+<Structural Response to Earthquakes, connectedTo, Seismic Tomography>
+<Subsurface Imaging, connectedTo, Tsunami Warning Systems>
+<Tectonic Plate Movement Monitoring, connectedTo, Structural Response to Earthquakes>
+<Tectonic Plate Movement Monitoring, partOf, Tectonic Plate Movement Monitoring>
+<Tectonic Stress Measurement, connectedTo, Seismic Inversion>
+<Tectonic Stress Measurement, partOf, Tectonic Stress Measurement>
+<Tsunami Warning Systems, connectedTo, Aftershock Analysis>
+<Tsunami Warning Systems, connectedTo, Earthquake Detection>
+<Tsunami Warning Systems, connectedTo, Seismic Hazard Assessment>
diff --git a/train/graphviz/hard/graphviz_853.txt b/train/graphviz/hard/graphviz_853.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1b15f13673fd8ca5adaf28f80dc45f9d112fe786
--- /dev/null
+++ b/train/graphviz/hard/graphviz_853.txt
@@ -0,0 +1,28 @@
+<Data Archiving and Distribution, connectedTo, Subsurface Imaging>
+<Data Archiving and Distribution, partOf, Data Archiving and Distribution>
+<Earth Structure Imaging, connectedTo, Magnitude Determination>
+<Earth Structure Imaging, connectedTo, P_Wave or S_Wave Distinction>
+<Glacial Seismology, connectedTo, P_Wave or S_Wave Distinction>
+<Glacial Seismology, connectedTo, Tectonic Plate Movement Monitoring>
+<Ground Motion Prediction, connectedTo, Seismic Tomography>
+<Induced Seismicity Monitoring, connectedTo, Data Archiving and Distribution>
+<Induced Seismicity Monitoring, partOf, Induced Seismicity Monitoring>
+<Magnitude Determination, connectedTo, Nuclear Test Monitoring>
+<Magnitude Determination, partOf, Magnitude Determination>
+<Nuclear Test Monitoring, connectedTo, Strong Motion Instrumentation>
+<Nuclear Test Monitoring, partOf, Nuclear Test Monitoring>
+<Seismic Risk Mitigation, connectedTo, Tectonic Plate Movement Monitoring>
+<Seismic Risk Mitigation, partOf, Seismic Risk Mitigation>
+<Seismic Tomography, connectedTo, Earth Structure Imaging>
+<Seismic Tomography, connectedTo, Induced Seismicity Monitoring>
+<Seismic Tomography, connectedTo, P_Wave or S_Wave Distinction>
+<Strong Motion Instrumentation, partOf, Strong Motion Instrumentation>
+<Strong Motion Instrumentation, visualizes, Ground Motion Prediction>
+<Subsurface Imaging, connectedTo, Seismic Risk Mitigation>
+<Subsurface Imaging, partOf, Subsurface Imaging>
+<Tectonic Plate Movement Monitoring, connectedTo, Earth Structure Imaging>
+<Tectonic Plate Movement Monitoring, connectedTo, Ground Motion Prediction>
+<Tectonic Plate Movement Monitoring, connectedTo, P_Wave or S_Wave Distinction>
+<Tectonic Plate Movement Monitoring, connectedTo, Seismic Tomography>
+<Volcanic Seismology, connectedTo, Glacial Seismology>
+<Volcanic Seismology, connectedTo, P_Wave or S_Wave Distinction>
diff --git a/train/graphviz/hard/graphviz_857.txt b/train/graphviz/hard/graphviz_857.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a959dc691c061f6ec0d84c6c73d1c3f7f105b21
--- /dev/null
+++ b/train/graphviz/hard/graphviz_857.txt
@@ -0,0 +1,38 @@
+<Bioinformatics Pipeline Development, connectedTo, Next_Generation Sequencing>
+<Cloning Technologies, connectedTo, Bioinformatics Pipeline Development>
+<Cloning Technologies, connectedTo, Methylation Analysis>
+<Cloning Technologies, genes_studies, Next_Generation Sequencing>
+<Disease Gene Identification, connectedTo, Functional Genomics>
+<Disease Gene Identification, connectedTo, Genetic Testing>
+<Disease Gene Identification, connectedTo, Pharmacogenomics>
+<Ethical, Legal, and Social Implications, connectedTo, Long_Read Sequencing>
+<Ethical, Legal, and Social Implications, connectedTo, Rare Disease Genomics>
+<Functional Genomics, connectedTo, Epigenomics>
+<Gene Annotation, connectedTo, Functional Genomics>
+<Gene Annotation, connectedTo, Pharmacogenomics>
+<Gene Annotation, diseases_links, Epigenomics>
+<Gene Expression Profiling, connectedTo, Genetic Testing>
+<Gene Expression Profiling, connectedTo, Pharmacogenomics>
+<Gene Expression Profiling, connectedTo, Population Genomics>
+<Genetic Testing, connectedTo, Gene Annotation>
+<Genome_Wide Association Studies, connectedTo, Genomic Editing>
+<Genome_Wide Association Studies, partOf, Genome_Wide Association Studies>
+<Genomic Data Visualization, connectedTo, Cloning Technologies>
+<Genomic Data Visualization, partOf, Genomic Data Visualization>
+<Genomic Editing, connectedTo, Microbial Genomics>
+<Genomic Editing, partOf, Genomic Editing>
+<Long_Read Sequencing, connectedTo, Gene Expression Profiling>
+<Methylation Analysis, annotates, Next_Generation Sequencing>
+<Methylation Analysis, connectedTo, Bioinformatics Pipeline Development>
+<Methylation Analysis, connectedTo, Genome_Wide Association Studies>
+<Microbial Genomics, connectedTo, Gene Expression Profiling>
+<Microbial Genomics, partOf, Microbial Genomics>
+<Next_Generation Sequencing, connectedTo, Ethical, Legal, and Social Implications>
+<Pharmacogenomics, connectedTo, Functional Genomics>
+<Population Genomics, connectedTo, Disease Gene Identification>
+<Proteomics, connectedTo, Bioinformatics Pipeline Development>
+<Proteomics, data_generates, Cloning Technologies>
+<Rare Disease Genomics, connectedTo, Single_Cell Genomics>
+<Rare Disease Genomics, partOf, Rare Disease Genomics>
+<Single_Cell Genomics, connectedTo, Genomic Data Visualization>
+<Single_Cell Genomics, partOf, Single_Cell Genomics>
diff --git a/train/graphviz/hard/graphviz_858.dot b/train/graphviz/hard/graphviz_858.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d9496a28c30511ba3c5d720c4a9d2de8eb48ed53
--- /dev/null
+++ b/train/graphviz/hard/graphviz_858.dot
@@ -0,0 +1,81 @@
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diff --git a/train/graphviz/hard/graphviz_858.txt b/train/graphviz/hard/graphviz_858.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d24003e43958019366731db9f1432037c0ef841
--- /dev/null
+++ b/train/graphviz/hard/graphviz_858.txt
@@ -0,0 +1,41 @@
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+<Transcriptomics, connectedTo, Next_Generation Sequencing>
+<Transcriptomics, connectedTo, Synthetic Genomics>
+<Variant Calling, connectedTo, Comparative Genomics>
+<Variant Calling, connectedTo, Synthetic Genomics>
diff --git a/train/graphviz/hard/graphviz_859.dot b/train/graphviz/hard/graphviz_859.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0e5b3661895bff0a514975e5a829fae10a9c20d7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_859.dot
@@ -0,0 +1,62 @@
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+	subgraph cluster_Group0 {
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+		nest0_1 [label="Ethical, Legal, and Social Implications" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest0_2 [label="Spatial Genomics" color="#F44336" fillcolor="#FFCDD2" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#5C6BC0" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
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+		nest1_1 [label="Rare Disease Genomics" color="#F44336" fillcolor="#FFCDD2" shape=plaintext style=filled]
+		nest1_0 -> nest1_1 [color="#F06292" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_86.dot b/train/graphviz/hard/graphviz_86.dot
new file mode 100644
index 0000000000000000000000000000000000000000..99cbc8f0f7f3b1c7c78796e8fb2255ea3bcfafd1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_86.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=RL
+	N0 [label="Traceability System" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N1 [label="Equipment Repair" color="#42A5F5" fillcolor="#F1F8FF" shape=oval style=filled]
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+	N4 [label=Harvesting color="#8C9EFF" fillcolor="#D3D7EB" shape=Mdiamond style=filled]
+	N5 [label="Weed Removal" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N6 [label="Crop Monitoring" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N7 [label="Seedling Transplanting" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N8 [label="Weather Tracking" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
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+		nest0_1 [label="Farm Maintenance" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+		nest0_2 [label="Disease Detection" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+		nest0_0 -> nest0_1 [label=repairs color="#8C9EFF" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_1 [label="Supply Chain to Retailers" color="#42A5F5" fillcolor="#F1F8FF" shape=parallelogram style=filled]
+		nest1_0 -> nest1_1 [color="#42A5F5" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_86.txt b/train/graphviz/hard/graphviz_86.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d36dad5cc1010ac4a87a42f282b4e1e7b830844b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_86.txt
@@ -0,0 +1,32 @@
+<Automated Milking, connectedTo, Supply Chain to Retailers>
+<Automated Milking, partOf, Automated Milking>
+<Crop Monitoring, connectedTo, Seedling Transplanting>
+<Disease Detection, connectedTo, Equipment Repair>
+<Disease Detection, partOf, Disease Detection>
+<Equipment Repair, connectedTo, Harvesting>
+<Equipment Repair, connectedTo, Hydroponic System Management>
+<Equipment Repair, connectedTo, Soil Nutrient Management>
+<Equipment Repair, connectedTo, Weed Removal>
+<Farm Maintenance, connectedTo, Disease Detection>
+<Farm Maintenance, partOf, Farm Maintenance>
+<Harvesting, connectedTo, Weather Tracking>
+<Harvesting, connectedTo, Weed Removal>
+<Hydroponic System Management, connectedTo, Harvesting>
+<Hydroponic System Management, connectedTo, Produce Sorting>
+<Hydroponic System Management, connectedTo, Weed Removal>
+<Produce Sorting, connectedTo, Crop Monitoring>
+<Produce Sorting, connectedTo, Harvesting>
+<Produce Sorting, connectedTo, Seedling Transplanting>
+<Produce Sorting, connectedTo, Weather Tracking>
+<Produce Sorting, connectedTo, Weed Removal>
+<Seedling Transplanting, propagates, Weather Tracking>
+<Soil Nutrient Management, partOf, Soil Nutrient Management>
+<Soil Nutrient Management, repairs, Farm Maintenance>
+<Supply Chain to Retailers, connectedTo, Produce Sorting>
+<Supply Chain to Retailers, partOf, Supply Chain to Retailers>
+<Traceability System, connectedTo, Equipment Repair>
+<Traceability System, connectedTo, Harvesting>
+<Weed Removal, connectedTo, Automated Milking>
+<Weed Removal, connectedTo, Crop Monitoring>
+<Weed Removal, connectedTo, Seedling Transplanting>
+<Weed Removal, connectedTo, Weather Tracking>
diff --git a/train/graphviz/hard/graphviz_863.dot b/train/graphviz/hard/graphviz_863.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2cd97d702e4a3d301ce0dda426fca477abaa1118
--- /dev/null
+++ b/train/graphviz/hard/graphviz_863.dot
@@ -0,0 +1,61 @@
+digraph {
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+	N5 [label=Transcriptomics color="#C2B2F0" fillcolor="#EFE6FF" shape=folder style=filled]
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diff --git a/train/graphviz/hard/graphviz_864.dot b/train/graphviz/hard/graphviz_864.dot
new file mode 100644
index 0000000000000000000000000000000000000000..833b8268096673d0301c32660744534ad3c560a4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_864.dot
@@ -0,0 +1,56 @@
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+	nest0_2 -> N5 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	nest1_1 -> N9 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N5 -> S0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S0 -> N9 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N7 [color="#2196F3" dir=forward penwidth=1.5 style=dashed]
+	N2 -> S1 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N9 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	S1 -> N7 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	N5 -> S2 [color="#F44336" dir=forward penwidth=1.5 style=dashed]
+	S2 -> N7 [color="#F44336" dir=forward penwidth=1.5 style=solid]
+	S2 -> N8 [color="#2196F3" dir=forward penwidth=1.5 style=solid]
+	S2 -> N9 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_865.txt b/train/graphviz/hard/graphviz_865.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ae023561fda9f9322a63d02bb01aff5d3a877e2
--- /dev/null
+++ b/train/graphviz/hard/graphviz_865.txt
@@ -0,0 +1,36 @@
+<Acoustic Modeling, connectedTo, Embedded Speech Recognition>
+<Acoustic Modeling, connectedTo, Noise Reduction>
+<Acoustic Modeling, connectedTo, Robust Speech Recognition>
+<Automatic Speech Recognition, connectedTo, Speech Data Annotation>
+<Automatic Speech Recognition, partOf, Automatic Speech Recognition>
+<Call Center Automation, connectedTo, Acoustic Modeling>
+<Command and Control, connectedTo, Voice Assistant Development>
+<Command and Control, partOf, Command and Control>
+<Cross_Lingual Speech Recognition, connectedTo, Acoustic Modeling>
+<Cross_Lingual Speech Recognition, partOf, Cross_Lingual Speech Recognition>
+<Embedded Speech Recognition, connectedTo, Voice Search Optimization>
+<Emotion Recognition from Voice, connectedTo, Meeting Transcription>
+<Emotion Recognition from Voice, partOf, Emotion Recognition from Voice>
+<Keyword Spotting, connectedTo, Real_Time Captioning>
+<Keyword Spotting, connectedTo, Speech_to_Text Conversion>
+<Meeting Transcription, connectedTo, Voice User Interface Design>
+<Natural Language Understanding, connectedTo, Emotion Recognition from Voice>
+<Natural Language Understanding, partOf, Natural Language Understanding>
+<Noise Reduction, connectedTo, Meeting Transcription>
+<Real_Time Captioning, connectedTo, Call Center Automation>
+<Robust Speech Recognition, connectedTo, Automatic Speech Recognition>
+<Robust Speech Recognition, partOf, Robust Speech Recognition>
+<Speech Data Annotation, connectedTo, Cross_Lingual Speech Recognition>
+<Speech Data Annotation, partOf, Speech Data Annotation>
+<Speech Emotion Recognition, connectedTo, Speech_to_Text Conversion>
+<Speech_to_Text Conversion, connectedTo, Command and Control>
+<Speech_to_Text Conversion, connectedTo, Real_Time Captioning>
+<Speech_to_Text Conversion, connectedTo, Voice Biometrics>
+<Voice Assistant Development, connectedTo, Natural Language Understanding>
+<Voice Assistant Development, partOf, Voice Assistant Development>
+<Voice Biometrics, connectedTo, Noise Reduction>
+<Voice Biometrics, connectedTo, Real_Time Captioning>
+<Voice Search Optimization, connectedTo, Meeting Transcription>
+<Voice Search Optimization, connectedTo, Noise Reduction>
+<Voice Search Optimization, connectedTo, Voice User Interface Design>
+<Voice User Interface Design, connectedTo, Speech Emotion Recognition>
diff --git a/train/graphviz/hard/graphviz_866.txt b/train/graphviz/hard/graphviz_866.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e4f92a63d070da7c06e5feb277907125e6dd56f7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_866.txt
@@ -0,0 +1,40 @@
+<Automatic Speech Recognition, connectedTo, Prosody Analysis>
+<Call Center Automation, connectedTo, Security Authentication>
+<Call Center Automation, partOf, Call Center Automation>
+<Children's Speech Recognition, dictates, Feature Extraction>
+<Cloud_based Speech Services, connectedTo, Voice Assistant Development>
+<Cloud_based Speech Services, partOf, Cloud_based Speech Services>
+<Command and Control, connectedTo, Keyword Spotting>
+<Command and Control, partOf, Command and Control>
+<Dialect Adaptation, connectedTo, Automatic Speech Recognition>
+<Dialect Adaptation, connectedTo, Children's Speech Recognition>
+<Dialect Adaptation, connectedTo, Feature Extraction>
+<Dialect Adaptation, connectedTo, Multimodal Speech Processing>
+<Embedded Speech Recognition, connectedTo, Command and Control>
+<Embedded Speech Recognition, partOf, Embedded Speech Recognition>
+<Feature Extraction, connectedTo, Security Authentication>
+<Keyword Spotting, connectedTo, Noise Reduction>
+<Linguistic Analysis, connectedTo, Multimodal Speech Processing>
+<Linguistic Analysis, interprets, Speech Data Annotation>
+<Multimodal Speech Processing, connectedTo, Automatic Speech Recognition>
+<Multimodal Speech Processing, connectedTo, Keyword Spotting>
+<Noise Reduction, connectedTo, Automatic Speech Recognition>
+<Phonetic Transcription, connectedTo, Feature Extraction>
+<Phonetic Transcription, connectedTo, Security Authentication>
+<Phonetic Transcription, connectedTo, Voice Search Optimization>
+<Prosody Analysis, connectedTo, Children's Speech Recognition>
+<Prosody Analysis, connectedTo, Feature Extraction>
+<Prosody Analysis, connectedTo, Phonetic Transcription>
+<Prosody Analysis, connectedTo, Security Authentication>
+<Real_Time Captioning, connectedTo, Call Center Automation>
+<Real_Time Captioning, partOf, Real_Time Captioning>
+<Speech Data Annotation, connectedTo, Automatic Speech Recognition>
+<Speech Data Annotation, connectedTo, Embedded Speech Recognition>
+<Speech Data Annotation, connectedTo, Multimodal Speech Processing>
+<Speech Data Annotation, connectedTo, Text_to_Speech Synthesis>
+<Text_to_Speech Synthesis, connectedTo, Dialect Adaptation>
+<Text_to_Speech Synthesis, connectedTo, Multimodal Speech Processing>
+<Voice Assistant Development, connectedTo, Real_Time Captioning>
+<Voice Assistant Development, partOf, Voice Assistant Development>
+<Voice Search Optimization, connectedTo, Children's Speech Recognition>
+<Voice Search Optimization, connectedTo, Cloud_based Speech Services>
diff --git a/train/graphviz/hard/graphviz_867.dot b/train/graphviz/hard/graphviz_867.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d0e42f830b57afcfd049b64d0983a72c592c34cf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_867.dot
@@ -0,0 +1,73 @@
+digraph {
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+		nest1_1 [label="Phonetic Transcription" color="#795548" fillcolor="#D7CCC8" shape=plaintext style=filled]
+		nest1_2 [label="Speaker Diarization" color="#795548" fillcolor="#D7CCC8" shape=plaintext style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_867.txt b/train/graphviz/hard/graphviz_867.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62dccaa7f5deab376e53fa50deec33f4b3ca0f9b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_867.txt
@@ -0,0 +1,39 @@
+<Call Center Automation, connectedTo, Speaker Identification>
+<Call Center Automation, partOf, Call Center Automation>
+<Contextual Understanding, connectedTo, Dialect Adaptation>
+<Cross_Lingual Speech Recognition, connectedTo, Legal Transcription>
+<Cross_Lingual Speech Recognition, connectedTo, Speech Data Annotation>
+<Cross_Lingual Speech Recognition, connectedTo, Speech_to_Text Conversion>
+<Dialect Adaptation, connectedTo, Call Center Automation>
+<Dialect Adaptation, connectedTo, Cross_Lingual Speech Recognition>
+<Dialect Adaptation, connectedTo, Speech Data Annotation>
+<Dialect Adaptation, connectedTo, Speech_to_Text Conversion>
+<Dialect Adaptation, connectedTo, Voice User Interface Design>
+<Disordered Speech Recognition, connectedTo, Phonetic Transcription>
+<Disordered Speech Recognition, partOf, Disordered Speech Recognition>
+<Embedded Speech Recognition, connectedTo, Cross_Lingual Speech Recognition>
+<Embedded Speech Recognition, connectedTo, Emotion Recognition from Voice>
+<Embedded Speech Recognition, connectedTo, Speech Emotion Recognition>
+<Emotion Recognition from Voice, connectedTo, Contextual Understanding>
+<Keyword Spotting, connectedTo, Language Modeling>
+<Language Modeling, connectedTo, Cross_Lingual Speech Recognition>
+<Legal Transcription, connectedTo, Speech Data Annotation>
+<Medical Transcription, connectedTo, Emotion Recognition from Voice>
+<Medical Transcription, connectedTo, Robust Speech Recognition>
+<Phonetic Transcription, connectedTo, Speaker Diarization>
+<Phonetic Transcription, partOf, Phonetic Transcription>
+<Prosody Analysis, connectedTo, Robust Speech Recognition>
+<Prosody Analysis, partOf, Prosody Analysis>
+<Robust Speech Recognition, connectedTo, Cross_Lingual Speech Recognition>
+<Robust Speech Recognition, connectedTo, Emotion Recognition from Voice>
+<Robust Speech Recognition, connectedTo, Voice Search Optimization>
+<Speaker Diarization, connectedTo, Speech_to_Text Conversion>
+<Speaker Diarization, partOf, Speaker Diarization>
+<Speaker Identification, connectedTo, Prosody Analysis>
+<Speaker Identification, partOf, Speaker Identification>
+<Speech Emotion Recognition, connectedTo, Emotion Recognition from Voice>
+<Speech_to_Text Conversion, connectedTo, Legal Transcription>
+<Voice Search Optimization, connectedTo, Embedded Speech Recognition>
+<Voice User Interface Design, connectedTo, Cross_Lingual Speech Recognition>
+<Voice User Interface Design, connectedTo, Disordered Speech Recognition>
+<Voice User Interface Design, connectedTo, Keyword Spotting>
diff --git a/train/graphviz/hard/graphviz_870.txt b/train/graphviz/hard/graphviz_870.txt
new file mode 100644
index 0000000000000000000000000000000000000000..18fcdfc04d75d0d2cd103421ea81f5b8c8651f75
--- /dev/null
+++ b/train/graphviz/hard/graphviz_870.txt
@@ -0,0 +1,39 @@
+<Accent Recognition, connectedTo, Cross_Lingual Speech Recognition>
+<Accent Recognition, connectedTo, Speech Analytics>
+<Automatic Speech Recognition, commands, Speaker Identification>
+<Automatic Speech Recognition, partOf, Automatic Speech Recognition>
+<Call Center Automation, connectedTo, Speech Analytics>
+<Call Center Automation, connectedTo, Speech Data Annotation>
+<Cloud_based Speech Services, connectedTo, Speech Data Annotation>
+<Command and Control, connectedTo, Real_Time Captioning>
+<Command and Control, connectedTo, Security Authentication>
+<Cross_Lingual Speech Recognition, connectedTo, Call Center Automation>
+<Linguistic Analysis, connectedTo, Voice Biometrics>
+<Meeting Transcription, connectedTo, Voice Assistant Development>
+<Meeting Transcription, partOf, Meeting Transcription>
+<Phonetic Transcription, connectedTo, Command and Control>
+<Phonetic Transcription, connectedTo, Speech Data Annotation>
+<Real_Time Captioning, connectedTo, Voice User Interface Design>
+<Real_Time Captioning, partOf, Real_Time Captioning>
+<Security Authentication, connectedTo, Call Center Automation>
+<Security Authentication, connectedTo, Cloud_based Speech Services>
+<Security Authentication, connectedTo, Speaker Identification>
+<Security Authentication, connectedTo, Speech Analytics>
+<Speaker Identification, connectedTo, Accent Recognition>
+<Speaker Identification, connectedTo, Cross_Lingual Speech Recognition>
+<Speaker Identification, connectedTo, Meeting Transcription>
+<Speaker Identification, connectedTo, Speech Analytics>
+<Speaker Identification, connectedTo, Speech Data Annotation>
+<Speaker Identification, converts, Speech Analytics>
+<Speech Analytics, connectedTo, Linguistic Analysis>
+<Speech Analytics, connectedTo, Speech Data Annotation>
+<Speech_to_Text Conversion, connectedTo, Speech Data Annotation>
+<Speech_to_Text Conversion, partOf, Speech_to_Text Conversion>
+<Voice Activity Detection, deploys, Voice Search Optimization>
+<Voice Assistant Development, connectedTo, Speech_to_Text Conversion>
+<Voice Assistant Development, partOf, Voice Assistant Development>
+<Voice Biometrics, connectedTo, Cloud_based Speech Services>
+<Voice Search Optimization, connectedTo, Phonetic Transcription>
+<Voice Search Optimization, licenses, Call Center Automation>
+<Voice User Interface Design, connectedTo, Automatic Speech Recognition>
+<Voice User Interface Design, partOf, Voice User Interface Design>
diff --git a/train/graphviz/hard/graphviz_871.dot b/train/graphviz/hard/graphviz_871.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f4c79a8ca8e5043111368a9ae39abd660e6cea29
--- /dev/null
+++ b/train/graphviz/hard/graphviz_871.dot
@@ -0,0 +1,84 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_872.txt b/train/graphviz/hard/graphviz_872.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c0ece55fc02cef3e20f83b1a7656c2cbdf9a2da
--- /dev/null
+++ b/train/graphviz/hard/graphviz_872.txt
@@ -0,0 +1,34 @@
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+<Accent Recognition, trains, Children's Speech Recognition>
+<Automatic Speech Recognition, connectedTo, Accent Recognition>
+<Automatic Speech Recognition, connectedTo, Legal Transcription>
+<Automatic Speech Recognition, connectedTo, Voice Activity Detection>
+<Children's Speech Recognition, connectedTo, Legal Transcription>
+<Children's Speech Recognition, partOf, Children's Speech Recognition>
+<Cloud_based Speech Services, connectedTo, Automatic Speech Recognition>
+<Disordered Speech Recognition, connectedTo, Cloud_based Speech Services>
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+<Feature Extraction, connectedTo, Cloud_based Speech Services>
+<Feature Extraction, connectedTo, Legal Transcription>
+<Feature Extraction, connectedTo, Speech Emotion Recognition>
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+<Language Modeling, connectedTo, Voice Activity Detection>
+<Language Modeling, connectedTo, Voice Assistant Development>
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+<Legal Transcription, connectedTo, Real_Time Captioning>
+<Legal Transcription, connectedTo, Speech Data Annotation>
+<Legal Transcription, connectedTo, Voice Activity Detection>
+<Linguistic Analysis, connectedTo, Phonetic Transcription>
+<Linguistic Analysis, partOf, Linguistic Analysis>
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+<Phonetic Transcription, connectedTo, Voice Activity Detection>
+<Prosody Analysis, dictates, Language Modeling>
+<Real_Time Captioning, connectedTo, Voice Activity Detection>
+<Security Authentication, connectedTo, Prosody Analysis>
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+<Speech Data Annotation, partOf, Speech Data Annotation>
+<Speech Emotion Recognition, sells, Phonetic Transcription>
+<Speech_to_Text Conversion, connectedTo, Feature Extraction>
+<Voice Assistant Development, connectedTo, Disordered Speech Recognition>
+<Voice Biometrics, connectedTo, Real_Time Captioning>
diff --git a/train/graphviz/hard/graphviz_873.txt b/train/graphviz/hard/graphviz_873.txt
new file mode 100644
index 0000000000000000000000000000000000000000..badac3eed86de7e8002fff87a979dce3f5ced126
--- /dev/null
+++ b/train/graphviz/hard/graphviz_873.txt
@@ -0,0 +1,33 @@
+<Annotation Tools, connectedTo, Natural Language Processing>
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+<Automated Content Tagging, partOf, Automated Content Tagging>
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+<Machine Learning for Text Mining, connectedTo, Financial Text Analysis>
+<Machine Learning for Text Mining, connectedTo, News Article Analysis>
+<Machine Learning for Text Mining, connectedTo, Part_of_Speech Tagging>
+<Machine Learning for Text Mining, connectedTo, Plagiarism Detection>
+<Machine Learning for Text Mining, connectedTo, Regular Expressions for Text>
+<Machine Learning for Text Mining, interprets, News Article Analysis>
+<Natural Language Processing, connectedTo, Automated Content Tagging>
+<Natural Language Processing, partOf, Natural Language Processing>
+<News Article Analysis, connectedTo, Financial Text Analysis>
+<Part_of_Speech Tagging, connectedTo, Chatbot Development>
+<Part_of_Speech Tagging, recommends, News Article Analysis>
+<Regular Expressions for Text, connectedTo, Plagiarism Detection>
+<Resume Parsing, categorizes, Data Cleaning for Text>
+<Resume Parsing, partOf, Resume Parsing>
+<Text Visualization, connectedTo, Resume Parsing>
+<Text Visualization, partOf, Text Visualization>
diff --git a/train/graphviz/hard/graphviz_875.txt b/train/graphviz/hard/graphviz_875.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9cc7187a94a48cb1c29b43be0bc3f5bea929f079
--- /dev/null
+++ b/train/graphviz/hard/graphviz_875.txt
@@ -0,0 +1,39 @@
+<Annotation Tools, filters, Concept Extraction>
+<Author Attribution, connectedTo, Annotation Tools>
+<Automated Content Tagging, partOf, Automated Content Tagging>
+<Automated Content Tagging, relationships, Text Preprocessing>
+<Biomedical Text Mining, classifies, Corpus Creation>
+<Biomedical Text Mining, connectedTo, Concept Extraction>
+<Concept Extraction, connectedTo, Knowledge Graph Construction>
+<Corpus Creation, connectedTo, Author Attribution>
+<Corpus Creation, connectedTo, Concept Extraction>
+<Corpus Creation, connectedTo, Regular Expressions for Text>
+<Corpus Creation, connectedTo, Text Clustering>
+<Document Summarization, connectedTo, Part_of_Speech Tagging>
+<Document Summarization, partOf, Document Summarization>
+<Financial Text Analysis, connectedTo, Text Similarity Analysis>
+<Information Extraction, connectedTo, Relationship Extraction>
+<Knowledge Graph Construction, connectedTo, Sentiment Analysis>
+<Machine Learning for Text Mining, connectedTo, Author Attribution>
+<Opinion Mining, connectedTo, Automated Content Tagging>
+<Opinion Mining, partOf, Opinion Mining>
+<Part_of_Speech Tagging, connectedTo, Patent Analysis>
+<Part_of_Speech Tagging, partOf, Part_of_Speech Tagging>
+<Patent Analysis, connectedTo, Annotation Tools>
+<Patent Analysis, partOf, Patent Analysis>
+<Plagiarism Detection, connectedTo, Text Preprocessing>
+<Regular Expressions for Text, connectedTo, Financial Text Analysis>
+<Sentiment Analysis, connectedTo, Regular Expressions for Text>
+<Social Media Text Analysis, connectedTo, Opinion Mining>
+<Social Media Text Analysis, partOf, Social Media Text Analysis>
+<Text Clustering, connectedTo, Machine Learning for Text Mining>
+<Text Preprocessing, connectedTo, Document Summarization>
+<Text Preprocessing, connectedTo, Topic Modeling>
+<Text Similarity Analysis, connectedTo, Information Extraction>
+<Text Similarity Analysis, connectedTo, Text Visualization>
+<Text Visualization, connectedTo, Social Media Text Analysis>
+<Text Visualization, partOf, Text Visualization>
+<Topic Modeling, connectedTo, Biomedical Text Mining>
+<Topic Modeling, connectedTo, Information Extraction>
+<Topic Modeling, connectedTo, Relationship Extraction>
+<Topic Modeling, connectedTo, Text Clustering>
diff --git a/train/graphviz/hard/graphviz_876.dot b/train/graphviz/hard/graphviz_876.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b49a6c06827c534466406611df0a3437ed08fa1c
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diff --git a/train/graphviz/hard/graphviz_879.dot b/train/graphviz/hard/graphviz_879.dot
new file mode 100644
index 0000000000000000000000000000000000000000..076f868240d43fc8ab25f0cdb2f61490489c38ca
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diff --git a/train/graphviz/hard/graphviz_880.txt b/train/graphviz/hard/graphviz_880.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ae19d7ccedd7d4a0263127d58f50fa11ce74e93c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_880.txt
@@ -0,0 +1,34 @@
+<Annotation Tools, connectedTo, Named Entity Recognition>
+<Annotation Tools, connectedTo, Resume Parsing>
+<Annotation Tools, connectedTo, Text Visualization>
+<Chatbot Development, connectedTo, Opinion Mining>
+<Customer Feedback Analysis, connectedTo, Named Entity Recognition>
+<Customer Feedback Analysis, partOf, Customer Feedback Analysis>
+<Data Cleaning for Text, connectedTo, Chatbot Development>
+<Data Cleaning for Text, connectedTo, Patent Analysis>
+<Data Cleaning for Text, connectedTo, Resume Parsing>
+<Data Cleaning for Text, connectedTo, Text Similarity Analysis>
+<Document Summarization, connectedTo, Customer Feedback Analysis>
+<Document Summarization, partOf, Document Summarization>
+<Language Translation for Text Mining, connectedTo, Plagiarism Detection>
+<Language Translation for Text Mining, partOf, Language Translation for Text Mining>
+<Lemmatization or Stemming, connectedTo, Opinion Mining>
+<Lemmatization or Stemming, connectedTo, Text Visualization>
+<Named Entity Recognition, connectedTo, Data Cleaning for Text>
+<Named Entity Recognition, connectedTo, Lemmatization or Stemming>
+<Named Entity Recognition, connectedTo, Natural Language Processing>
+<Named Entity Recognition, connectedTo, Opinion Mining>
+<Natural Language Processing, connectedTo, Lemmatization or Stemming>
+<Opinion Mining, connectedTo, Patent Analysis>
+<Opinion Mining, connectedTo, Regular Expressions for Text>
+<Opinion Mining, connectedTo, Sentiment Analysis>
+<Plagiarism Detection, connectedTo, Opinion Mining>
+<Plagiarism Detection, partOf, Plagiarism Detection>
+<Regular Expressions for Text, connectedTo, Document Summarization>
+<Regular Expressions for Text, partOf, Regular Expressions for Text>
+<Resume Parsing, connectedTo, Opinion Mining>
+<Resume Parsing, connectedTo, Text Similarity Analysis>
+<Sentiment Analysis, connectedTo, Language Translation for Text Mining>
+<Sentiment Analysis, partOf, Sentiment Analysis>
+<Text Similarity Analysis, connectedTo, Chatbot Development>
+<Text Visualization, connectedTo, Data Cleaning for Text>
diff --git a/train/graphviz/hard/graphviz_881.dot b/train/graphviz/hard/graphviz_881.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5a737aece19c72ade5b3b0341bc97218e2378288
--- /dev/null
+++ b/train/graphviz/hard/graphviz_881.dot
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diff --git a/train/graphviz/hard/graphviz_881.txt b/train/graphviz/hard/graphviz_881.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f8af42551064087ef2d6e710d4638006756220b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_881.txt
@@ -0,0 +1,33 @@
+<Aerospace Digital Twins, connectedTo, Sensor Data Integration>
+<Anomaly Detection, connectedTo, Smart City Planning>
+<Asset Optimization, connectedTo, Model Creation>
+<Asset Optimization, partOf, Asset Optimization>
+<Augmented Reality Visualization, connectedTo, Virtual Prototyping>
+<Automotive Digital Twins, connectedTo, Design Validation>
+<Automotive Digital Twins, partOf, Automotive Digital Twins>
+<Building Information Modeling Integration, connectedTo, Anomaly Detection>
+<Building Information Modeling Integration, connectedTo, Enterprise Asset Management Integration>
+<Cyber_Physical Systems, connectedTo, Data Governance for Twins>
+<Cyber_Physical Systems, partOf, Cyber_Physical Systems>
+<Data Governance for Twins, connectedTo, Automotive Digital Twins>
+<Data Governance for Twins, partOf, Data Governance for Twins>
+<Data Security for Digital Twins, connectedTo, Building Information Modeling Integration>
+<Data Security for Digital Twins, connectedTo, Smart Manufacturing>
+<Design Validation, connectedTo, Smart City Planning>
+<Design Validation, partOf, Design Validation>
+<Enterprise Asset Management Integration, connectedTo, Remote Control Capabilities>
+<Enterprise Asset Management Integration, partOf, Enterprise Asset Management Integration>
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+<Smart Manufacturing, connectedTo, System Integration Architecture>
+<Smart Manufacturing, connectedTo, Virtual Prototyping>
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diff --git a/train/graphviz/hard/graphviz_885.txt b/train/graphviz/hard/graphviz_885.txt
new file mode 100644
index 0000000000000000000000000000000000000000..593d67bd38e18a47ce4bcc3fcd0995fab4a99f66
--- /dev/null
+++ b/train/graphviz/hard/graphviz_885.txt
@@ -0,0 +1,36 @@
+<Automotive Digital Twins, connectedTo, Predictive Maintenance>
+<Automotive Digital Twins, partOf, Automotive Digital Twins>
+<Autonomous Operations, connectedTo, IoT Data Ingestion>
+<Autonomous Operations, partOf, Autonomous Operations>
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+<Building Information Modeling Integration, connectedTo, Sensor Data Integration>
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+<Condition Monitoring, connectedTo, Enterprise Asset Management Integration>
+<Condition Monitoring, connectedTo, Real_Time Data Streaming>
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+<Condition Monitoring, connectedTo, System Integration Architecture>
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+<Cyber_Physical Systems, partOf, Cyber_Physical Systems>
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+<Risk Assessment, connectedTo, Enterprise Asset Management Integration>
+<Risk Assessment, partOf, Risk Assessment>
+<Sensor Data Integration, connectedTo, Edge Computing for Twins>
+<Sensor Data Integration, partOf, Sensor Data Integration>
+<Simulation Platform Development, connectedTo, Automotive Digital Twins>
+<Simulation Platform Development, connectedTo, Remote Control Capabilities>
+<Smart City Planning, connectedTo, Enterprise Asset Management Integration>
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+<Smart City Planning, connectedTo, Remote Control Capabilities>
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+<System Integration Architecture, connectedTo, Simulation Platform Development>
diff --git a/train/graphviz/hard/graphviz_886.txt b/train/graphviz/hard/graphviz_886.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5666a3ba5dda0f8798615f35452e44bab0d89eae
--- /dev/null
+++ b/train/graphviz/hard/graphviz_886.txt
@@ -0,0 +1,38 @@
+<Building Information Modeling Integration, connectedTo, Enterprise Asset Management Integration>
+<Building Information Modeling Integration, connectedTo, IoT Data Ingestion>
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+<Energy Consumption Optimization, connectedTo, Data Security for Digital Twins>
+<Energy Consumption Optimization, partOf, Energy Consumption Optimization>
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+<Enterprise Asset Management Integration, connectedTo, Digital Twin Lifecycle Management>
+<Enterprise Asset Management Integration, connectedTo, Interoperability Standards>
+<Enterprise Asset Management Integration, connectedTo, IoT Data Ingestion>
+<Enterprise Asset Management Integration, connectedTo, Scalability of Models>
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+<Interoperability Standards, connectedTo, Predictive Maintenance>
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+<Model Creation, connectedTo, IoT Data Ingestion>
+<Model Creation, connectedTo, Real_Time Data Streaming>
+<Model Creation, connectedTo, Scalability of Models>
+<Predictive Maintenance, connectedTo, Maintenance Scheduling>
+<Predictive Maintenance, partOf, Predictive Maintenance>
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+<Remote Control Capabilities, connectedTo, Enterprise Asset Management Integration>
+<Remote Control Capabilities, connectedTo, Interoperability Standards>
+<Remote Control Capabilities, connectedTo, IoT Data Ingestion>
+<Remote Control Capabilities, connectedTo, Scalability of Models>
+<Remote Control Capabilities, predicts, Building Information Modeling Integration>
+<Risk Assessment, connectedTo, Energy Consumption Optimization>
+<Risk Assessment, partOf, Risk Assessment>
+<Sensor Data Integration, connectedTo, Remote Control Capabilities>
+<Sensor Data Integration, connectedTo, Scalability of Models>
+<System Integration Architecture, connectedTo, IoT Data Ingestion>
+<System Integration Architecture, connectedTo, Model Creation>
diff --git a/train/graphviz/hard/graphviz_888.dot b/train/graphviz/hard/graphviz_888.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a0719f937de037f8f55c44aed45512e3246a07c6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_888.dot
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diff --git a/train/graphviz/hard/graphviz_889.dot b/train/graphviz/hard/graphviz_889.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2b7263baad08ade644d3d35a1145c38992a33183
--- /dev/null
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diff --git a/train/graphviz/hard/graphviz_889.txt b/train/graphviz/hard/graphviz_889.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c4b892d163d9044fd260bdc1da6eb47d6eeed53e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_889.txt
@@ -0,0 +1,41 @@
+<API Automation, connectedTo, Low_Code or No_Code Automation>
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+<Chatbot Integration, connectedTo, Supply Chain Automation>
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+<User Training for Automated Systems, connectedTo, Compliance in Automation>
+<User Training for Automated Systems, connectedTo, Natural Language Processing for Automation>
+<Workflow Analysis, streamlines, Scripting for Automation>
diff --git a/train/graphviz/hard/graphviz_891.txt b/train/graphviz/hard/graphviz_891.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b19c7a13e3b5a08e03f500d81ee9c4faffd4eb76
--- /dev/null
+++ b/train/graphviz/hard/graphviz_891.txt
@@ -0,0 +1,47 @@
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+<Hyperautomation, automates, Document Processing Automation>
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+<Return on Investment Calculation, connectedTo, API Automation>
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+<User Training for Automated Systems, robots_deploys, Optical Character Recognition for Automation>
+<Workflow Automation Platforms, connectedTo, User Training for Automated Systems>
diff --git a/train/graphviz/hard/graphviz_892.dot b/train/graphviz/hard/graphviz_892.dot
new file mode 100644
index 0000000000000000000000000000000000000000..df686fb2b643d774791aabbea25e6675190ccf4e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_892.dot
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diff --git a/train/graphviz/hard/graphviz_892.txt b/train/graphviz/hard/graphviz_892.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d692c5e24a13fe5e47c328bbfeb5d246f003571f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_892.txt
@@ -0,0 +1,42 @@
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diff --git a/train/graphviz/hard/graphviz_893.dot b/train/graphviz/hard/graphviz_893.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8ef6a22ea9de188331c2e4b83a8bf47ec6639e69
--- /dev/null
+++ b/train/graphviz/hard/graphviz_893.dot
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+	N4 [label="Decision Automation" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N5 [label="Business Process Management" color="#A188D0" fillcolor="#DACBE3" shape=oval style=filled]
+	N6 [label="Scalability of Automation" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
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+	N8 [label="Compliance in Automation" color="#A188D0" fillcolor="#DACBE3" shape=octagon style=filled]
+	N9 [label="Automated Data Validation" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
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+	subgraph cluster_Group0 {
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+		nest0_0 [label="API Automation" color="#A188D0" fillcolor="#DACBE3" shape=plaintext style=filled]
+		nest0_1 [label="IT Operations Automation" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest0_2 [label=Hyperautomation color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
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+	}
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+	subgraph cluster_Group1 {
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+		nest1_1 [label="Process Mapping" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#B8C0F5" dir=forward penwidth=1.5 style=dashed]
+	}
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diff --git a/train/graphviz/hard/graphviz_893.txt b/train/graphviz/hard/graphviz_893.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c2aac673e3e09abe07d2f4ad8abe3f7ca4b121a
--- /dev/null
+++ b/train/graphviz/hard/graphviz_893.txt
@@ -0,0 +1,33 @@
+<API Automation, connectedTo, IT Operations Automation>
+<API Automation, partOf, API Automation>
+<Audit Trail for Automation, connectedTo, Business Process Management>
+<Audit Trail for Automation, connectedTo, Customer Service Automation>
+<Business Process Management, connectedTo, Automated Data Validation>
+<Business Process Management, connectedTo, Compliance in Automation>
+<Business Process Management, connectedTo, Low_Code or No_Code Automation>
+<Business Process Management, connectedTo, Scalability of Automation>
+<Compliance in Automation, connectedTo, Automated Data Validation>
+<Customer Service Automation, connectedTo, API Automation>
+<Customer Service Automation, connectedTo, Business Process Management>
+<Customer Service Automation, connectedTo, Decision Automation>
+<Decision Automation, connectedTo, Business Process Management>
+<Document Processing Automation, connectedTo, Process Mapping>
+<Document Processing Automation, partOf, Document Processing Automation>
+<Error Handling in Automation, connectedTo, Business Process Management>
+<Error Handling in Automation, connectedTo, Customer Service Automation>
+<Error Handling in Automation, connectedTo, Orchestration of Processes>
+<Hyperautomation, connectedTo, Customer Service Automation>
+<Hyperautomation, partOf, Hyperautomation>
+<IT Operations Automation, connectedTo, Hyperautomation>
+<IT Operations Automation, partOf, IT Operations Automation>
+<Low_Code or No_Code Automation, connectedTo, Compliance in Automation>
+<Low_Code or No_Code Automation, improves_accuracy, Document Processing Automation>
+<Orchestration of Processes, connectedTo, Audit Trail for Automation>
+<Orchestration of Processes, connectedTo, Business Process Management>
+<Orchestration of Processes, connectedTo, Compliance in Automation>
+<Orchestration of Processes, connectedTo, Customer Service Automation>
+<Orchestration of Processes, connectedTo, Decision Automation>
+<Orchestration of Processes, connectedTo, Scalability of Automation>
+<Process Mapping, connectedTo, Scalability of Automation>
+<Process Mapping, partOf, Process Mapping>
+<Scalability of Automation, connectedTo, Low_Code or No_Code Automation>
diff --git a/train/graphviz/hard/graphviz_894.dot b/train/graphviz/hard/graphviz_894.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0f02dccd6137dd5151350cb69e164397ae570d5f
--- /dev/null
+++ b/train/graphviz/hard/graphviz_894.dot
@@ -0,0 +1,59 @@
+digraph {
+	rankdir=BT
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+		nest1_3 [label="Robotic Process Automation Implementation" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
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+}
diff --git a/train/graphviz/hard/graphviz_896.txt b/train/graphviz/hard/graphviz_896.txt
new file mode 100644
index 0000000000000000000000000000000000000000..db5faff548f011e0515309999b487d18f4224caa
--- /dev/null
+++ b/train/graphviz/hard/graphviz_896.txt
@@ -0,0 +1,48 @@
+<API Automation, connectedTo, Finance Process Automation>
+<API Automation, partOf, API Automation>
+<Audit Trail for Automation, connectedTo, Automated Data Validation>
+<Audit Trail for Automation, connectedTo, Natural Language Processing for Automation>
+<Automated Data Validation, connectedTo, Low_Code or No_Code Automation>
+<Automated Testing, connectedTo, Automated Data Validation>
+<Automated Testing, connectedTo, Change Management for Automation>
+<Business Process Management, connectedTo, Data Entry Automation>
+<Business Process Management, partOf, Business Process Management>
+<Change Management for Automation, connectedTo, HR Process Automation>
+<Change Management for Automation, connectedTo, Integration with Existing Systems>
+<Change Management for Automation, connectedTo, Low_Code or No_Code Automation>
+<Change Management for Automation, connectedTo, Supply Chain Automation>
+<Chatbot Integration, connectedTo, Audit Trail for Automation>
+<Chatbot Integration, connectedTo, Automated Data Validation>
+<Chatbot Integration, connectedTo, Change Management for Automation>
+<Chatbot Integration, connectedTo, Low_Code or No_Code Automation>
+<Chatbot Integration, connectedTo, Scalability of Automation>
+<Data Entry Automation, integrates_systems, API Automation>
+<Data Entry Automation, partOf, Data Entry Automation>
+<Decision Automation, connectedTo, Change Management for Automation>
+<Decision Automation, partOf, Decision Automation>
+<Finance Process Automation, connectedTo, Audit Trail for Automation>
+<Finance Process Automation, connectedTo, Change Management for Automation>
+<Finance Process Automation, connectedTo, IT Operations Automation>
+<HR Process Automation, AI_applies, Workflow Analysis>
+<HR Process Automation, connectedTo, Performance Monitoring of Bots>
+<IT Operations Automation, tests, Orchestration of Processes>
+<Integration with Existing Systems, connectedTo, Automated Data Validation>
+<Intelligent Automation, connectedTo, Security for Automation Bots>
+<Intelligent Automation, partOf, Intelligent Automation>
+<Low_Code or No_Code Automation, connectedTo, Supply Chain Automation>
+<Natural Language Processing for Automation, connectedTo, Automated Testing>
+<Orchestration of Processes, connectedTo, Change Management for Automation>
+<Orchestration of Processes, connectedTo, Chatbot Integration>
+<Process Mining, connectedTo, Automated Data Validation>
+<Process Mining, connectedTo, Task Automation>
+<Process Mining, remedies_applies, Finance Process Automation>
+<Scalability of Automation, connectedTo, Automated Data Validation>
+<Scalability of Automation, supports, Audit Trail for Automation>
+<Security for Automation Bots, connectedTo, Decision Automation>
+<Security for Automation Bots, partOf, Security for Automation Bots>
+<Supply Chain Automation, connectedTo, HR Process Automation>
+<Task Automation, connectedTo, Intelligent Automation>
+<Task Automation, partOf, Task Automation>
+<User Training for Automated Systems, RPA_implements, Process Mining>
+<Workflow Analysis, connectedTo, Business Process Management>
+<Workflow Analysis, partOf, Workflow Analysis>
diff --git a/train/graphviz/hard/graphviz_899.txt b/train/graphviz/hard/graphviz_899.txt
new file mode 100644
index 0000000000000000000000000000000000000000..78865c8aec7d38b1fa0932ba9df7c447a411a67c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_899.txt
@@ -0,0 +1,34 @@
+<Calibration of Instruments, automates, Food Safety Quality Control>
+<Calibration of Instruments, connectedTo, Food Safety Quality Control>
+<Calibration of Instruments, connectedTo, Non_Conformance Management>
+<Calibration of Instruments, connectedTo, Non_Destructive Testing>
+<Component Inspection, partOf, Component Inspection>
+<Component Inspection, root_causes_analyzes, Non_Conformance Management>
+<Continuous Improvement, connectedTo, Food Safety Quality Control>
+<Continuous Improvement, efficiency_enhances, Software Quality Assurance>
+<Corrective and Preventive Actions, connectedTo, Calibration of Instruments>
+<Corrective and Preventive Actions, connectedTo, Food Safety Quality Control>
+<Defect Detection, connectedTo, ISO Certification>
+<Defect Detection, partOf, Defect Detection>
+<Food Safety Quality Control, connectedTo, Non_Conformance Management>
+<ISO Certification, connectedTo, Food Safety Quality Control>
+<ISO Certification, partOf, ISO Certification>
+<Non_Destructive Testing, develops, Food Safety Quality Control>
+<Pharmaceutical Quality Control, connectedTo, Testing Methods>
+<Product Testing, connectedTo, Quality Assurance>
+<Product Testing, partOf, Product Testing>
+<Quality Assurance, connectedTo, Quality Planning>
+<Quality Assurance, partOf, Quality Assurance>
+<Quality Planning, connectedTo, Component Inspection>
+<Quality Planning, partOf, Quality Planning>
+<Root Cause Analysis, connectedTo, Food Safety Quality Control>
+<Root Cause Analysis, connectedTo, Pharmaceutical Quality Control>
+<Sampling Plans, connectedTo, Corrective and Preventive Actions>
+<Sampling Plans, connectedTo, Food Safety Quality Control>
+<Sampling Plans, connectedTo, Trend Analysis>
+<Six Sigma Methodologies, connectedTo, Sampling Plans>
+<Software Quality Assurance, connectedTo, Defect Detection>
+<Software Quality Assurance, connectedTo, Six Sigma Methodologies>
+<Testing Methods, connectedTo, Corrective and Preventive Actions>
+<Trend Analysis, connectedTo, Product Testing>
+<Trend Analysis, connectedTo, Root Cause Analysis>
diff --git a/train/graphviz/hard/graphviz_9.dot b/train/graphviz/hard/graphviz_9.dot
new file mode 100644
index 0000000000000000000000000000000000000000..58ef966edf05e6e5b02aed6c0106d722e6cfb205
--- /dev/null
+++ b/train/graphviz/hard/graphviz_9.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=LR
+	N0 [label=Surgery color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
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+	N4 [label=Diagnosis color="#3F51B5" fillcolor="#C5CAE9" shape=folder style=filled]
+	N5 [label="Genetic Counseling" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
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+	N1 -> S0 [color="#F06292" dir=forward penwidth=1.5 style=solid]
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+	S0 -> N4 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N4 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M0 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> M0 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
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+	N1 -> M1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N2 -> M1 [color="#F06292" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#3F51B5" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N4 [color="#F06292" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_901.dot b/train/graphviz/hard/graphviz_901.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2907f1683294f90f1a1087a5d4c93c32b4ecbff4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_901.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=RL
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+	N1 [label="Quality Management Systems" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N2 [label="Calibration of Instruments" color="#C0CA33" fillcolor="#F9FBE7" shape=ellipse style=filled]
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+	N5 [label=Metrology color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
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+		nest0_2 [label="ISO Certification" color="#C0CA33" fillcolor="#F9FBE7" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+		nest1_3 [label="Food Safety Quality Control" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
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+		nest1_2 -> nest1_3 [color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N4 -> S1 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N6 [color="#C0CA33" dir=forward penwidth=1.5 style=solid]
+	S1 -> N8 [label=systems_controls color="#92C79A" dir=forward penwidth=1.5 style=solid]
+	N1 -> M0 [color="#C0CA33" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M0 [color="#F7BEE0" dir=forward penwidth=1.5 style=dashed]
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diff --git a/train/graphviz/hard/graphviz_903.txt b/train/graphviz/hard/graphviz_903.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26b91c990e2787795758ad285d2a596fd14785f1
--- /dev/null
+++ b/train/graphviz/hard/graphviz_903.txt
@@ -0,0 +1,38 @@
+<Automated Optical Inspection, connectedTo, Component Inspection>
+<Automated Optical Inspection, connectedTo, Non_Conformance Management>
+<Automated Optical Inspection, risk_manages, Sampling Plans>
+<Component Inspection, connectedTo, Measurement System Analysis>
+<Component Inspection, connectedTo, Pharmaceutical Quality Control>
+<Component Inspection, connectedTo, Risk_Based Quality Control>
+<Continuous Improvement, connectedTo, Product Testing>
+<Continuous Improvement, partOf, Continuous Improvement>
+<Corrective and Preventive Actions, connectedTo, Pharmaceutical Quality Control>
+<Corrective and Preventive Actions, partOf, Corrective and Preventive Actions>
+<Customer Feedback Analysis, connectedTo, Component Inspection>
+<Customer Feedback Analysis, connectedTo, Hardware Quality Testing>
+<Customer Feedback Analysis, connectedTo, Non_Conformance Management>
+<Customer Feedback Analysis, connectedTo, Pharmaceutical Quality Control>
+<Customer Feedback Analysis, connectedTo, Quality Data Analysis>
+<Customer Feedback Analysis, connectedTo, Sampling Plans>
+<Hardware Quality Testing, connectedTo, Pharmaceutical Quality Control>
+<Hardware Quality Testing, connectedTo, Sampling Plans>
+<Hardware Quality Testing, standards_sets, Quality Planning>
+<Lean Principles in Quality, connectedTo, Corrective and Preventive Actions>
+<Lean Principles in Quality, partOf, Lean Principles in Quality>
+<Measurement System Analysis, connectedTo, Continuous Improvement>
+<Measurement System Analysis, partOf, Measurement System Analysis>
+<Non_Conformance Management, connectedTo, Pharmaceutical Quality Control>
+<Non_Conformance Management, connectedTo, Sampling Plans>
+<Non_Conformance Management, verifies, Component Inspection>
+<Process Monitoring, connectedTo, Lean Principles in Quality>
+<Process Monitoring, partOf, Process Monitoring>
+<Product Testing, connectedTo, Supplier Audits>
+<Product Testing, partOf, Product Testing>
+<Quality Data Analysis, researches, Component Inspection>
+<Quality Planning, connectedTo, Automated Optical Inspection>
+<Quality Planning, connectedTo, Sampling Plans>
+<Risk_Based Quality Control, consults, Process Monitoring>
+<Risk_Based Quality Control, partOf, Risk_Based Quality Control>
+<Sampling Plans, connectedTo, Quality Data Analysis>
+<Supplier Audits, connectedTo, Pharmaceutical Quality Control>
+<Supplier Audits, partOf, Supplier Audits>
diff --git a/train/graphviz/hard/graphviz_904.txt b/train/graphviz/hard/graphviz_904.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d3ec7d87df06b1f0dcb5cb1fd836ab6f62eb329
--- /dev/null
+++ b/train/graphviz/hard/graphviz_904.txt
@@ -0,0 +1,35 @@
+<ISO Certification, connectedTo, Quality Management Systems>
+<ISO Certification, connectedTo, Quality Planning>
+<ISO Certification, connectedTo, Statistical Process Control>
+<Inspection Procedures, services_assesses, Measurement System Analysis>
+<Lean Principles in Quality, connectedTo, Non_Conformance Management>
+<Lean Principles in Quality, partOf, Lean Principles in Quality>
+<Measurement System Analysis, connectedTo, Quality Planning>
+<Metrology, connectedTo, Product Testing>
+<Metrology, partOf, Metrology>
+<Non_Conformance Management, connectedTo, Quality Management Systems>
+<Non_Conformance Management, partOf, Non_Conformance Management>
+<Non_Destructive Testing, connectedTo, Measurement System Analysis>
+<Non_Destructive Testing, partOf, Non_Destructive Testing>
+<Product Testing, partOf, Product Testing>
+<Product Testing, standards_sets, Non_Destructive Testing>
+<Quality Management Systems, connectedTo, Inspection Procedures>
+<Quality Management Systems, connectedTo, Lean Principles in Quality>
+<Quality Management Systems, connectedTo, Measurement System Analysis>
+<Quality Management Systems, connectedTo, Quality Planning>
+<Quality Management Systems, connectedTo, Risk_Based Quality Control>
+<Quality Planning, connectedTo, Risk_Based Quality Control>
+<Risk_Based Quality Control, processes_optimizes, Hardware Quality Testing>
+<Statistical Process Control, connectedTo, Metrology>
+<Statistical Process Control, partOf, Statistical Process Control>
+<Supplier Quality Management, connectedTo, ISO Certification>
+<Supplier Quality Management, connectedTo, Inspection Procedures>
+<Supplier Quality Management, connectedTo, Quality Planning>
+<Supplier Quality Management, connectedTo, Risk_Based Quality Control>
+<Supplier Quality Management, corrective_actions_implements, Measurement System Analysis>
+<Testing Methods, connectedTo, Measurement System Analysis>
+<Testing Methods, connectedTo, Quality Planning>
+<Testing Methods, connectedTo, Supplier Quality Management>
+<X_ray Inspection, connectedTo, Inspection Procedures>
+<X_ray Inspection, connectedTo, Measurement System Analysis>
+<X_ray Inspection, connectedTo, Testing Methods>
diff --git a/train/graphviz/hard/graphviz_908.dot b/train/graphviz/hard/graphviz_908.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3ce18dddce09307b764788826b37a3413a870794
--- /dev/null
+++ b/train/graphviz/hard/graphviz_908.dot
@@ -0,0 +1,79 @@
+digraph {
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+	}
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+		nest1_1 [label="Customer Relationship Management" color="#92C79A" fillcolor="#E8F0EA" shape=oval style=filled]
+		nest1_2 [label="Data Governance" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+		nest1_3 [label="Integration with Other Systems" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
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+		nest1_2 -> nest1_3 [color="#92C79A" dir=forward penwidth=1.5 style=solid]
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+	N5 -> M1 [label=customer_relations_manages color="#000000" dir=forward penwidth=1.5 style=solid]
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diff --git a/train/graphviz/hard/graphviz_909.txt b/train/graphviz/hard/graphviz_909.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3726d012725e81b793a766737471ab04fe7d39e4
--- /dev/null
+++ b/train/graphviz/hard/graphviz_909.txt
@@ -0,0 +1,38 @@
+<Business Process Re_engineering, connectedTo, Supply Chain Management>
+<Business Process Re_engineering, connectedTo, Vendor Management>
+<Compliance Reporting, connectedTo, Troubleshooting and Support>
+<Compliance Reporting, partOf, Compliance Reporting>
+<Data Migration, connectedTo, Workflow Automation in ERP>
+<Data Migration, partOf, Data Migration>
+<ERP System Selection, connectedTo, Module Implementation>
+<ERP System Selection, partOf, ERP System Selection>
+<Financial Management, connectedTo, Implementation Roadmap Development>
+<Financial Management, connectedTo, Inventory Management>
+<Financial Management, connectedTo, Supply Chain Management>
+<Implementation Roadmap Development, connectedTo, Business Process Re_engineering>
+<Implementation Roadmap Development, order_processes, Reporting and Analytics>
+<Integration with Other Systems, cloud_deploys, Cloud ERP Deployment>
+<Integration with Other Systems, connectedTo, Implementation Roadmap Development>
+<Integration with Other Systems, connectedTo, Supply Chain Management>
+<Integration with Other Systems, finances_manages, Vendor Management>
+<Inventory Management, connectedTo, Implementation Roadmap Development>
+<Inventory Management, connectedTo, Integration with Other Systems>
+<Inventory Management, connectedTo, Reporting and Analytics>
+<Inventory Management, connectedTo, Supply Chain Management>
+<Module Implementation, connectedTo, Cloud ERP Deployment>
+<Module Implementation, connectedTo, Compliance Reporting>
+<Reporting and Analytics, supply_chains_manages, Module Implementation>
+<Supply Chain Management, connectedTo, Module Implementation>
+<Supply Chain Management, connectedTo, Reporting and Analytics>
+<Supply Chain Management, streamlines, Cloud ERP Deployment>
+<Testing ERP Modules, connectedTo, Vendor Management>
+<Testing ERP Modules, partOf, Testing ERP Modules>
+<Troubleshooting and Support, connectedTo, Testing ERP Modules>
+<Troubleshooting and Support, partOf, Troubleshooting and Support>
+<Vendor Management, connectedTo, Data Migration>
+<Vendor Management, connectedTo, Module Implementation>
+<Vendor Management, connectedTo, Reporting and Analytics>
+<Vendor Management, connectedTo, Supply Chain Management>
+<Vendor Management, upgrades, Reporting and Analytics>
+<Workflow Automation in ERP, connectedTo, ERP System Selection>
+<Workflow Automation in ERP, partOf, Workflow Automation in ERP>
diff --git a/train/graphviz/hard/graphviz_911.dot b/train/graphviz/hard/graphviz_911.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a2e82b50bf435a58d28864e601de198cb2ab425c
--- /dev/null
+++ b/train/graphviz/hard/graphviz_911.dot
@@ -0,0 +1,78 @@
+digraph {
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+	N15 [label="Project Management" color="#DCE775" fillcolor="#FCFCE7" shape=oval style=filled]
+	N16 [label="AI or ML in ERP" color="#4285F4" fillcolor="#D0E0F8" shape=octagon style=filled]
+	N17 [label="System Configuration" color="#FBC02D" fillcolor="#FFFDE7" shape=oval style=filled]
+	N18 [label="Financial Management" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+		nest0_0 [label="User Training" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+		nest0_1 [label="Manufacturing Operations" color="#4285F4" fillcolor="#D0E0F8" shape=octagon style=filled]
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+	}
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+}
diff --git a/train/graphviz/hard/graphviz_919.txt b/train/graphviz/hard/graphviz_919.txt
new file mode 100644
index 0000000000000000000000000000000000000000..50113da22e035dd008a5ed11fb5bcb5b10dcd365
--- /dev/null
+++ b/train/graphviz/hard/graphviz_919.txt
@@ -0,0 +1,38 @@
+<AI for Crop Disease Detection, connectedTo, Aquaculture Monitoring>
+<AI for Crop Disease Detection, connectedTo, Digital Agronomy>
+<Aquaculture Monitoring, connectedTo, Automated Farm Machinery>
+<Aquaculture Monitoring, controls, Drone Monitoring>
+<Aquaculture Monitoring, sprays, Digital Agronomy>
+<Automated Farm Machinery, connectedTo, Digital Agronomy>
+<Big Data Analytics for Farms, fertilizes, Crop Health Monitoring>
+<Big Data Analytics for Farms, partOf, Big Data Analytics for Farms>
+<Blockchain for Agri_Supply Chain, complies, AI for Crop Disease Detection>
+<Carbon Farming Initiatives, connectedTo, Decision Support Systems for Farmers>
+<Carbon Farming Initiatives, partOf, Carbon Farming Initiatives>
+<Connectivity Solutions, connectedTo, Digital Agronomy>
+<Connectivity Solutions, connectedTo, Livestock Feeding Automation>
+<Crop Health Monitoring, partOf, Crop Health Monitoring>
+<Crop Health Monitoring, predicts, Carbon Farming Initiatives>
+<Data Security in Agriculture, connectedTo, AI for Crop Disease Detection>
+<Data Security in Agriculture, partOf, Data Security in Agriculture>
+<Decision Support Systems for Farmers, connectedTo, Farm Data Integration>
+<Decision Support Systems for Farmers, connectedTo, IoT in Agriculture>
+<Digital Agronomy, connectedTo, Drone Monitoring>
+<Farm Data Integration, connectedTo, Yield Mapping>
+<Herd Health Monitoring, connectedTo, Market Price Forecasting>
+<Herd Health Monitoring, connectedTo, Sustainability Metrics Tracking>
+<IoT in Agriculture, connectedTo, Data Security in Agriculture>
+<IoT in Agriculture, partOf, IoT in Agriculture>
+<Livestock Feeding Automation, connectedTo, Decision Support Systems for Farmers>
+<Market Price Forecasting, connectedTo, Big Data Analytics for Farms>
+<Market Price Forecasting, partOf, Market Price Forecasting>
+<Supply Chain Traceability, connectedTo, Aquaculture Monitoring>
+<Supply Chain Traceability, connectedTo, Blockchain for Agri_Supply Chain>
+<Supply Chain Traceability, connectedTo, Digital Agronomy>
+<Supply Chain Traceability, connectedTo, Vertical Farming Technology>
+<Sustainability Metrics Tracking, connectedTo, Supply Chain Traceability>
+<Sustainability Metrics Tracking, connectedTo, Vertical Farming Technology>
+<Sustainability Metrics Tracking, monitors, Drone Monitoring>
+<Vertical Farming Technology, connectedTo, Blockchain for Agri_Supply Chain>
+<Yield Mapping, connectedTo, Digital Agronomy>
+<Yield Mapping, connectedTo, Herd Health Monitoring>
diff --git a/train/graphviz/hard/graphviz_92.txt b/train/graphviz/hard/graphviz_92.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8649c5562030b975c444d05b13354939610f6e81
--- /dev/null
+++ b/train/graphviz/hard/graphviz_92.txt
@@ -0,0 +1,35 @@
+<Adventure Sports Booking, connectedTo, Photo Capture>
+<Baggage Handling, connectedTo, Group Tour Coordination>
+<Custom Tour Package Creation, connectedTo, Destination Selection>
+<Custom Tour Package Creation, connectedTo, Language Translation Service>
+<Destination Selection, connectedTo, Cruise Ship Boarding>
+<Duty_Free Shopping, connectedTo, Loyalty Program Enrollment>
+<Duty_Free Shopping, partOf, Duty_Free Shopping>
+<Event Reservation, connectedTo, Cruise Ship Boarding>
+<Event Reservation, connectedTo, Custom Tour Package Creation>
+<Group Tour Coordination, connectedTo, Destination Selection>
+<Language Translation Service, connectedTo, Trip Sharing>
+<Local Transport, connectedTo, Rental Car Pickup>
+<Local Transport, partOf, Local Transport>
+<Loyalty Program Enrollment, connectedTo, Trip Sharing>
+<Loyalty Program Enrollment, partOf, Loyalty Program Enrollment>
+<Passport Renewal Assistance, connectedTo, Adventure Sports Booking>
+<Passport Renewal Assistance, connectedTo, Cruise Ship Boarding>
+<Passport Renewal Assistance, connectedTo, Destination Selection>
+<Photo Capture, connectedTo, Travel Blog Creation>
+<Rental Car Pickup, connectedTo, Travel Advisory Updates>
+<Rental Car Pickup, partOf, Rental Car Pickup>
+<Sightseeing Scheduling, connectedTo, Passport Renewal Assistance>
+<Sightseeing Scheduling, connectedTo, Photo Capture>
+<Sightseeing Scheduling, connectedTo, Travel Blog Creation>
+<Tourist Information Desk, connectedTo, Duty_Free Shopping>
+<Tourist Information Desk, partOf, Tourist Information Desk>
+<Travel Advisory Updates, connectedTo, Cruise Ship Boarding>
+<Travel Advisory Updates, connectedTo, Destination Selection>
+<Travel Advisory Updates, connectedTo, Passport Renewal Assistance>
+<Travel Advisory Updates, connectedTo, Sightseeing Scheduling>
+<Travel Advisory Updates, connectedTo, Tourist Information Desk>
+<Travel Advisory Updates, personalizes, Group Tour Coordination>
+<Travel Blog Creation, connectedTo, Baggage Handling>
+<Trip Sharing, connectedTo, Travel Advisory Updates>
+<Trip Sharing, develops, Local Transport>
diff --git a/train/graphviz/hard/graphviz_920.dot b/train/graphviz/hard/graphviz_920.dot
new file mode 100644
index 0000000000000000000000000000000000000000..17b9d3fd88c5c6e2661956da3a13508c6fc6ee83
--- /dev/null
+++ b/train/graphviz/hard/graphviz_920.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=TD
+	N0 [label="IoT in Agriculture" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N1 [label="Digital Soil Mapping" color="#673AB7" fillcolor="#D1C4E9" shape=octagon style=filled]
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+	N4 [label="Supply Chain Traceability" color="#AABEC6" fillcolor="#E0E6E9" shape=box style=filled]
+	N5 [label="Connectivity Solutions" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
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+		nest0_1 [label="Blockchain for Agri_Supply Chain" color="#673AB7" fillcolor="#D1C4E9" shape=Mdiamond style=filled]
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+		nest1_1 [label="Sensor Deployment" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+		nest1_2 [label="Crop Health Monitoring" color="#673AB7" fillcolor="#D1C4E9" shape=ellipse style=filled]
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+		nest1_1 -> nest1_2 [color="#673AB7" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_921.txt b/train/graphviz/hard/graphviz_921.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d06771c037ca5baa5ac3697ac307ed6d998ef2a7
--- /dev/null
+++ b/train/graphviz/hard/graphviz_921.txt
@@ -0,0 +1,27 @@
+<Anti_Cheat Measures, competes, Esports Analytics>
+<Anti_Cheat Measures, partOf, Anti_Cheat Measures>
+<Content Creation, connectedTo, Game Publisher Relations>
+<Data Security for Competitions, connectedTo, Sponsorship Acquisition>
+<Esports Analytics, connectedTo, League Management>
+<Esports Education Programs, partOf, Esports Education Programs>
+<Esports Education Programs, reputations_builds, Legal Advisory for Esports>
+<Game Publisher Relations, connectedTo, League Management>
+<Game Publisher Relations, connectedTo, Prize Pool Management>
+<League Management, connectedTo, Data Security for Competitions>
+<Performance Analysis, connectedTo, Tournament Organization>
+<Performance Analysis, partOf, Performance Analysis>
+<Player Scouting, audiences_engages, Data Security for Competitions>
+<Player Scouting, coaches, Esports Analytics>
+<Player Scouting, connectedTo, Content Creation>
+<Player Scouting, connectedTo, League Management>
+<Player Scouting, connectedTo, Sponsorship Acquisition>
+<Prize Pool Management, connectedTo, Data Security for Competitions>
+<Prize Pool Management, connectedTo, Esports Analytics>
+<Prize Pool Management, connectedTo, League Management>
+<Prize Pool Management, connectedTo, Performance Analysis>
+<Prize Pool Management, connectedTo, Social Media Management>
+<Social Media Management, connectedTo, Anti_Cheat Measures>
+<Social Media Management, partOf, Social Media Management>
+<Sponsorship Acquisition, merchandise_sells, Legal Advisory for Esports>
+<Tournament Organization, connectedTo, Esports Education Programs>
+<Tournament Organization, partOf, Tournament Organization>
diff --git a/train/graphviz/hard/graphviz_924.dot b/train/graphviz/hard/graphviz_924.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7977019809513b1880d498397c8637eb7882a987
--- /dev/null
+++ b/train/graphviz/hard/graphviz_924.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=BT
+	N0 [label="Talent Representation" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N1 [label="Merchandise Sales" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
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+	N3 [label="Performance Analysis" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N4 [label="Ticketing Sales" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N5 [label="Content Creation" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N6 [label="Tournament Organization" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
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+	N11 [label="Esports Team Ownership" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N12 [label="Training Regimen" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
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+	}
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+	nest1_3 -> N1 [color="#81C784" dir=forward penwidth=1.5 style=solid]
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+	S0 -> N12 [color="#B8C0F5" dir=forward penwidth=1.5 style=solid]
+	S0 -> N8 [label=content_produces color="#81C784" dir=forward penwidth=1.5 style=dashed]
+	S0 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	S1 -> N11 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	S1 -> N10 [color="#81C784" dir=forward penwidth=1.5 style=dashed]
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+	N2 -> M0 [color="#81C784" dir=forward penwidth=1.5 style=solid]
+	M0 -> N10 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
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+	N3 -> M1 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	N0 -> M1 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+	M1 -> N6 [color="#FFC085" dir=forward penwidth=1.5 style=solid]
+}
diff --git a/train/graphviz/hard/graphviz_925.dot b/train/graphviz/hard/graphviz_925.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9610f9beadb916b7f8a67ef1afab507b860b01bf
--- /dev/null
+++ b/train/graphviz/hard/graphviz_925.dot
@@ -0,0 +1,73 @@
+digraph {
+	rankdir=RL
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+		nest0_2 [label="Player Contracts" color="#EAEFA5" fillcolor="#FDFCEB" shape=plaintext style=filled]
+		nest0_0 -> nest0_1 [label=competes color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
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+	subgraph cluster_Group1 {
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+		nest1_0 [label="Brand Partnerships" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+		nest1_1 [label="Sponsorship Acquisition" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+		nest1_2 [label="Content Creation" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+		nest1_3 [label="Audience Engagement" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+		nest1_1 -> nest1_2 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
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+	S1 -> N12 [label=leagues_creates color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	S1 -> N16 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N2 -> M1 [color="#03A9F4" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M1 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	M1 -> N16 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N16 -> nest0_1 [color="#9C27B0" dir=forward penwidth=1.5 style=dashed]
+}
diff --git a/train/graphviz/hard/graphviz_926.dot b/train/graphviz/hard/graphviz_926.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f17cfd9a19c4447b57393704d90b0b5d0994ebc9
--- /dev/null
+++ b/train/graphviz/hard/graphviz_926.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=TD
+	N0 [label="Audience Engagement" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N1 [label="Performance Analysis" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
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+	N7 [label="Fan Community Building" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N8 [label="Player Wellness Programs" color="#BCB88A" fillcolor="#F5F5DC" shape=oval style=filled]
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+	N10 [label="Prize Pool Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=ellipse style=filled]
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+	N15 [label="Esports Team Ownership" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
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+		nest0_1 [label="Tournament Organization" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+		nest0_2 [label="Anti_Cheat Measures" color="#FFEB3B" fillcolor="#FFF9C4" shape=diamond style=filled]
+		nest0_3 [label="Game Publisher Relations" color="#BCB88A" fillcolor="#F5F5DC" shape=folder style=filled]
+		nest0_0 -> nest0_1 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+		nest0_1 -> nest0_2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+		nest1_0 [label="Social Media Management" color="#DCE775" fillcolor="#FCFCE7" shape=octagon style=filled]
+		nest1_1 [label="Gaming Hardware Optimization" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+		nest1_0 -> nest1_1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	}
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+	nest1_1 -> N2 [color="#000000" dir=forward penwidth=1.5 style=dashed]
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+	N3 -> M0 [color="#DCE775" dir=forward penwidth=1.5 style=solid]
+	N2 -> M0 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	M0 -> N10 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N13 -> M1 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N1 -> M1 [color="#BCB88A" dir=forward penwidth=1.5 style=solid]
+	N14 -> M1 [label=mental_wellness color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	M1 -> N17 [color="#DCE775" dir=forward penwidth=1.5 style=dashed]
+	N3 -> M2 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N0 -> M2 [color="#FFEB3B" dir=forward penwidth=1.5 style=solid]
+	N1 -> M2 [color="#FFEB3B" dir=forward penwidth=1.5 style=dashed]
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+}
diff --git a/train/graphviz/hard/graphviz_927.txt b/train/graphviz/hard/graphviz_927.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8f7e6281ba5af66e12892073de4d83214a5bc56
--- /dev/null
+++ b/train/graphviz/hard/graphviz_927.txt
@@ -0,0 +1,30 @@
+<Audience Engagement, connectedTo, Performance Analysis>
+<Audience Engagement, partOf, Audience Engagement>
+<Esports Education Programs, connectedTo, Game Server Management>
+<Esports Team Ownership, connectedTo, Data Security for Competitions>
+<Esports Team Ownership, connectedTo, Fan Community Building>
+<Esports Team Ownership, connectedTo, Game Strategy Development>
+<Event Broadcasting, connectedTo, Data Security for Competitions>
+<Event Broadcasting, connectedTo, Esports Team Ownership>
+<Event Broadcasting, connectedTo, Game Server Management>
+<Event Broadcasting, connectedTo, Player Wellness Programs>
+<Fan Community Building, communities_fosters, Training Regimen>
+<Fan Community Building, partOf, Fan Community Building>
+<Game Server Management, connectedTo, Data Security for Competitions>
+<Game Server Management, connectedTo, Esports Team Ownership>
+<Game Server Management, connectedTo, Game Strategy Development>
+<Game Strategy Development, connectedTo, Data Security for Competitions>
+<Legal Advisory for Esports, connectedTo, Game Server Management>
+<Legal Advisory for Esports, partOf, Legal Advisory for Esports>
+<Performance Analysis, connectedTo, Player Wellness Programs>
+<Performance Analysis, partOf, Performance Analysis>
+<Player Wellness Programs, connectedTo, Esports Education Programs>
+<Player Wellness Programs, connectedTo, Game Server Management>
+<Player Wellness Programs, connectedTo, Rules and Regulations Enforcement>
+<Player Wellness Programs, tickets_sells, Data Security for Competitions>
+<Rules and Regulations Enforcement, connectedTo, Audience Engagement>
+<Rules and Regulations Enforcement, partOf, Rules and Regulations Enforcement>
+<Team Management, connectedTo, Legal Advisory for Esports>
+<Team Management, partOf, Team Management>
+<Training Regimen, connectedTo, Team Management>
+<Training Regimen, partOf, Training Regimen>
diff --git a/train/graphviz/hard/graphviz_93.dot b/train/graphviz/hard/graphviz_93.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dfd51a1b3c5f523a88c7fd2ce21838cbb5690830
--- /dev/null
+++ b/train/graphviz/hard/graphviz_93.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=LR
+	N0 [label="Booking Modification" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	N1 [label="Passport Renewal Assistance" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N2 [label="Itinerary Planning" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N3 [label="Spa Appointment" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N4 [label="Travel Blog Creation" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N5 [label="Feedback Collection" color="#FFB2A5" fillcolor="#FFDCD6" shape=plaintext style=filled]
+	N6 [label="Travel Advisory Updates" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+	N7 [label="Rental Car Pickup" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N8 [label="Museum Visit" color="#AB47BC" fillcolor="#F3E5F5" shape=plaintext style=filled]
+	N9 [label="Duty_Free Shopping" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N10 [label="Group Tour Coordination" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	N11 [label="Historical Site Exploration" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N12 [label="Currency Exchange" color="#EAEFA5" fillcolor="#FDFCEB" shape=octagon style=filled]
+	N13 [label="Photo Capture" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
+	S0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" fixedsize=true height=0.1 shape=box style=filled width=0.1]
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+	subgraph_anchor_Group0 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group0 {
+		color=gray50 fillcolor="#FFF3E0" fontname=Helvetica fontsize=10 label="Cruise Ship Boarding" labeljust=l labelloc=t pencolor=gray50 penwidth=1.5 style="rounded,filled,dashed"
+		nest0_0 [label="Airport Transfer" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_1 [label="Souvenir Shopping" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_0 -> nest0_1 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	}
+	subgraph_anchor_Group1 [label="" height=0.01 shape=point style=invis width=0.01]
+	subgraph cluster_Group1 {
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+		nest1_1 [label="Trip Sharing" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+		nest1_2 [label="Lost and Found Service" color="#FFB2A5" fillcolor="#FFDCD6" shape=ellipse style=filled]
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+	N3 -> N4 [label=books color="#000000" dir=forward penwidth=1.5 style=solid]
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+	N5 -> N6 [color="#EAEFA5" dir=forward penwidth=1.5 style=dashed]
+	N6 -> N7 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N7 -> N8 [color="#000000" dir=forward penwidth=1.5 style=solid]
+	N8 -> N9 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N9 -> N10 [color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N10 -> N11 [color="#000000" dir=forward penwidth=1.5 style=dashed]
+	N11 -> N12 [color="#EAEFA5" dir=forward penwidth=1.5 style=solid]
+	N12 -> N13 [label=analyzes color="#AB47BC" dir=forward penwidth=1.5 style=dashed]
+	N1 -> nest0_0 [color="#FFB2A5" dir=forward penwidth=1.5 style=dashed]
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+	S1 -> N10 [label=explores color="#AB47BC" dir=forward penwidth=1.5 style=solid]
+	S1 -> N6 [color="#AB47BC" dir=forward penwidth=1.5 style=solid]
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+}
diff --git a/train/graphviz/hard/graphviz_93.txt b/train/graphviz/hard/graphviz_93.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f4445d3806be82902be505f227e7b371e7acde71
--- /dev/null
+++ b/train/graphviz/hard/graphviz_93.txt
@@ -0,0 +1,37 @@
+<Activity Booking, connectedTo, Trip Sharing>
+<Activity Booking, partOf, Activity Booking>
+<Airport Transfer, connectedTo, Souvenir Shopping>
+<Airport Transfer, partOf, Airport Transfer>
+<Booking Modification, connectedTo, Passport Renewal Assistance>
+<Booking Modification, shares, Duty_Free Shopping>
+<Currency Exchange, analyzes, Photo Capture>
+<Duty_Free Shopping, connectedTo, Group Tour Coordination>
+<Feedback Collection, connectedTo, Travel Advisory Updates>
+<Group Tour Coordination, connectedTo, Historical Site Exploration>
+<Historical Site Exploration, connectedTo, Currency Exchange>
+<Itinerary Planning, connectedTo, Activity Booking>
+<Itinerary Planning, connectedTo, Spa Appointment>
+<Lost and Found Service, connectedTo, Itinerary Planning>
+<Lost and Found Service, partOf, Lost and Found Service>
+<Museum Visit, connectedTo, Duty_Free Shopping>
+<Museum Visit, connectedTo, Photo Capture>
+<Passport Renewal Assistance, connectedTo, Airport Transfer>
+<Passport Renewal Assistance, connectedTo, Itinerary Planning>
+<Rental Car Pickup, chooses, Photo Capture>
+<Rental Car Pickup, connectedTo, Currency Exchange>
+<Rental Car Pickup, connectedTo, Duty_Free Shopping>
+<Rental Car Pickup, connectedTo, Historical Site Exploration>
+<Rental Car Pickup, connectedTo, Museum Visit>
+<Rental Car Pickup, consults, Photo Capture>
+<Souvenir Shopping, connectedTo, Itinerary Planning>
+<Souvenir Shopping, partOf, Souvenir Shopping>
+<Spa Appointment, books, Travel Blog Creation>
+<Spa Appointment, connectedTo, Duty_Free Shopping>
+<Travel Advisory Updates, connectedTo, Duty_Free Shopping>
+<Travel Advisory Updates, connectedTo, Rental Car Pickup>
+<Travel Blog Creation, connectedTo, Currency Exchange>
+<Travel Blog Creation, connectedTo, Feedback Collection>
+<Travel Blog Creation, connectedTo, Travel Advisory Updates>
+<Travel Blog Creation, explores, Group Tour Coordination>
+<Trip Sharing, connectedTo, Lost and Found Service>
+<Trip Sharing, partOf, Trip Sharing>
diff --git a/train/graphviz/hard/graphviz_930.dot b/train/graphviz/hard/graphviz_930.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3c66ad2747f4560c4ab8cba5ccd48d3ff7198d11
--- /dev/null
+++ b/train/graphviz/hard/graphviz_930.dot
@@ -0,0 +1,67 @@
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diff --git a/train/graphviz/hard/graphviz_932.txt b/train/graphviz/hard/graphviz_932.txt
new file mode 100644
index 0000000000000000000000000000000000000000..844898eb2a8c343a529b970349d0009656d8ea8e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_932.txt
@@ -0,0 +1,41 @@
+<Addiction Neuroscience, connectedTo, Learning Mechanisms Study>
+<Aging Brain Research, connectedTo, Neuroethics>
+<Aging Brain Research, partOf, Aging Brain Research>
+<Behavioral Neuroscience, connectedTo, Spike Train Analysis>
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+<Brain_Computer Interface, connectedTo, Molecular Neuroscience>
+<Cognitive Neuroscience, connectedTo, Addiction Neuroscience>
+<Cognitive Neuroscience, connectedTo, Neural Data Analysis>
+<Computational Neuroscience, connectedTo, Deep Brain Stimulation>
+<Developmental Neuroscience, tools_creates, Neuroprosthetics>
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diff --git a/train/graphviz/hard/graphviz_933.txt b/train/graphviz/hard/graphviz_933.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ac5ad3a817c09b3746ab4f9888a0e3514bcd6208
--- /dev/null
+++ b/train/graphviz/hard/graphviz_933.txt
@@ -0,0 +1,39 @@
+<Addiction Neuroscience, connectedTo, Developmental Neuroscience>
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+<Addiction Neuroscience, connectedTo, Neurofeedback Therapy>
+<Addiction Neuroscience, connectedTo, Pain Perception Research>
+<Aging Brain Research, connectedTo, Artificial Neural Networks Modeling>
+<Aging Brain Research, connectedTo, Sleep Research>
+<Artificial Neural Networks Modeling, connectedTo, Brain_Computer Interface>
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+<Brain Imaging, connectedTo, Consciousness Studies>
+<Brain Imaging, connectedTo, Spike Train Analysis>
+<Brain Mapping, connectedTo, Aging Brain Research>
+<Brain Mapping, connectedTo, Optogenetics>
+<Brain Mapping, connectedTo, Sleep Research>
+<Brain_Computer Interface, connectedTo, Neurofeedback Therapy>
+<Cellular Neuroscience, cognition_studies, Sleep Research>
+<Cellular Neuroscience, partOf, Cellular Neuroscience>
+<Consciousness Studies, connectedTo, Addiction Neuroscience>
+<Consciousness Studies, connectedTo, Brain_Computer Interface>
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+<Neural Data Analysis, connectedTo, Pain Perception Research>
+<Neuroethics, connectedTo, Brain Imaging>
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+<Sleep Research, connectedTo, Brain Imaging>
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+<Spike Train Analysis, partOf, Spike Train Analysis>
diff --git a/train/graphviz/hard/graphviz_934.dot b/train/graphviz/hard/graphviz_934.dot
new file mode 100644
index 0000000000000000000000000000000000000000..08056d6f0f166f450ace90dff8eb625271f2785b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_934.dot
@@ -0,0 +1,70 @@
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diff --git a/train/graphviz/hard/graphviz_936.txt b/train/graphviz/hard/graphviz_936.txt
new file mode 100644
index 0000000000000000000000000000000000000000..399a9da8cb7004c86d049c4952ceabd4f5166e18
--- /dev/null
+++ b/train/graphviz/hard/graphviz_936.txt
@@ -0,0 +1,37 @@
+<Behavioral Neuroscience, connectedTo, Memory Formation Research>
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+<Molecular Neuroscience, connectedTo, Neurodegenerative Disease Research>
+<Molecular Neuroscience, partOf, Molecular Neuroscience>
+<Motor Control Research, cognition_studies, Systems Neuroscience>
+<Neurodegenerative Disease Research, connectedTo, Neurofeedback Therapy>
+<Neurofeedback Therapy, connectedTo, Computational Neuroscience>
+<Neuroinformatics, connectedTo, Stem Cell Research>
+<Neuroinformatics, partOf, Neuroinformatics>
+<Sleep Research, connectedTo, Electrophysiology>
+<Sleep Research, connectedTo, Neurodegenerative Disease Research>
+<Stem Cell Research, connectedTo, Neurodegenerative Disease Research>
+<Stem Cell Research, partOf, Stem Cell Research>
+<Synaptic Plasticity Study, connectedTo, Behavioral Neuroscience>
+<Synaptic Plasticity Study, connectedTo, Neurodegenerative Disease Research>
+<Systems Neuroscience, connectedTo, Behavioral Neuroscience>
+<Systems Neuroscience, connectedTo, Consciousness Studies>
+<Systems Neuroscience, connectedTo, Deep Brain Stimulation>
+<Systems Neuroscience, connectedTo, Neurofeedback Therapy>
+<Transcranial Magnetic Stimulation, connectedTo, Learning Mechanisms Study>
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diff --git a/train/graphviz/hard/graphviz_94.dot b/train/graphviz/hard/graphviz_94.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a7de9cb8e518eb3578c815a0f6999369637d3222
--- /dev/null
+++ b/train/graphviz/hard/graphviz_94.dot
@@ -0,0 +1,57 @@
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diff --git a/train/graphviz/hard/graphviz_940.dot b/train/graphviz/hard/graphviz_940.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cafa2173650c1a090c454c240375f274c77e32a6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_940.dot
@@ -0,0 +1,82 @@
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diff --git a/train/graphviz/hard/graphviz_943.dot b/train/graphviz/hard/graphviz_943.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9a4f13ed957a17a31aac98040310293075283390
--- /dev/null
+++ b/train/graphviz/hard/graphviz_943.dot
@@ -0,0 +1,79 @@
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diff --git a/train/graphviz/hard/graphviz_944.txt b/train/graphviz/hard/graphviz_944.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72fa4e2f10e222485e8bef1ae10f7099c0ce1a92
--- /dev/null
+++ b/train/graphviz/hard/graphviz_944.txt
@@ -0,0 +1,35 @@
+<3D Scanning of Artifacts, connectedTo, Looting Prevention>
+<3D Scanning of Artifacts, partOf, 3D Scanning of Artifacts>
+<Augmented Reality Tours, connectedTo, Heritage Site Management>
+<Augmented Reality Tours, connectedTo, Intangible Cultural Heritage Preservation>
+<Crowdsourcing for Heritage Data, connectedTo, Digital Storytelling>
+<Crowdsourcing for Heritage Data, connectedTo, Heritage Impact Assessment>
+<Cultural Tourism Development, connectedTo, Site Preservation>
+<Dating Techniques, connectedTo, Crowdsourcing for Heritage Data>
+<Dating Techniques, connectedTo, GIS Mapping for Heritage Sites>
+<Digital Documentation, connectedTo, Augmented Reality Tours>
+<Digital Documentation, connectedTo, GIS Mapping for Heritage Sites>
+<Digital Storytelling, connectedTo, Museum Collection Management>
+<Digital Storytelling, partOf, Digital Storytelling>
+<Disaster Preparedness for Heritage, connectedTo, Dating Techniques>
+<Exhibition Curation, connectedTo, Disaster Preparedness for Heritage>
+<Exhibition Curation, partOf, Exhibition Curation>
+<GIS Mapping for Heritage Sites, connectedTo, World Heritage Site Management>
+<Heritage Impact Assessment, connectedTo, Remote Sensing for Heritage>
+<Heritage Site Management, connectedTo, Crowdsourcing for Heritage Data>
+<Heritage Site Management, connectedTo, Dating Techniques>
+<Heritage Site Management, connectedTo, Disaster Preparedness for Heritage>
+<Intangible Cultural Heritage Preservation, analyzes_data, 3D Scanning of Artifacts>
+<Intangible Cultural Heritage Preservation, partOf, Intangible Cultural Heritage Preservation>
+<Looting Prevention, connectedTo, Site Preservation>
+<Looting Prevention, partOf, Looting Prevention>
+<Museum Collection Management, connectedTo, Repatriation of Artifacts>
+<Museum Collection Management, partOf, Museum Collection Management>
+<Repatriation of Artifacts, connectedTo, Exhibition Curation>
+<Repatriation of Artifacts, partOf, Repatriation of Artifacts>
+<Site Preservation, connectedTo, Augmented Reality Tours>
+<Site Preservation, connectedTo, Sustainable Heritage Management>
+<Sustainable Heritage Management, connectedTo, 3D Scanning of Artifacts>
+<Sustainable Heritage Management, languages_revitalizes, Augmented Reality Tours>
+<Underwater Cultural Heritage, connectedTo, Digital Documentation>
+<World Heritage Site Management, connectedTo, Cultural Tourism Development>
diff --git a/train/graphviz/hard/graphviz_945.dot b/train/graphviz/hard/graphviz_945.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6ec70a732d60b7c79ff3b90e8abf87c1f0283ef6
--- /dev/null
+++ b/train/graphviz/hard/graphviz_945.dot
@@ -0,0 +1,72 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_947.dot b/train/graphviz/hard/graphviz_947.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ed8b3977d4c22dd00393b92c1e1cbcdc9afa767e
--- /dev/null
+++ b/train/graphviz/hard/graphviz_947.dot
@@ -0,0 +1,63 @@
+digraph {
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diff --git a/train/graphviz/hard/graphviz_948.txt b/train/graphviz/hard/graphviz_948.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09a1dbe8b58577a115234a42e4f1e7e0b596114b
--- /dev/null
+++ b/train/graphviz/hard/graphviz_948.txt
@@ -0,0 +1,45 @@
+<Automated Biology Workflows, connectedTo, Public Engagement>
+<Automated Biology Workflows, synthesizes, Microbial Factories>
+<Bio_logic Gates, publishes, Genetic Circuit Design>
+<Bio_manufacturing, connectedTo, Automated Biology Workflows>
+<Bio_manufacturing, connectedTo, Biofoundry Operations>
+<Bio_manufacturing, connectedTo, Biosafety Level Management>
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+<Bio_manufacturing, connectedTo, Public Engagement>
+<Biofoundry Operations, connectedTo, Biosafety Level Management>
+<Biofuel Production, connectedTo, Cell_Free Systems>
+<Biofuel Production, partOf, Biofuel Production>
+<Biosafety Level Management, models, Synthetic Organism Design>
+<Biosecurity Protocols, connectedTo, Bio_logic Gates>
+<Biosecurity Protocols, connectedTo, Ethical Implications>
+<Biosecurity Protocols, connectedTo, Genetic Circuit Design>
+<Biosecurity Protocols, connectedTo, Protein Design>
+<Biosensor Development, connectedTo, Public Engagement>
+<Biosensor Development, connectedTo, Vaccine Synthesis>
+<Cell_Free Systems, partOf, Cell_Free Systems>
+<Cell_Free Systems, systems_develops, Sustainable Chemical Production>
+<Cellular Reprogramming, connectedTo, Biosecurity Protocols>
+<DNA Synthesis, connectedTo, Novel Enzyme Creation>
+<DNA Synthesis, connectedTo, Public Engagement>
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+<Gene Therapy Delivery Systems, partOf, Gene Therapy Delivery Systems>
+<Genetic Circuit Design, connectedTo, Genome Engineering>
+<Genome Engineering, connectedTo, Ethical Implications>
+<High_Throughput Screening, licenses, Gene Therapy Delivery Systems>
+<High_Throughput Screening, partOf, High_Throughput Screening>
+<Microbial Factories, connectedTo, High_Throughput Screening>
+<Microbial Factories, partOf, Microbial Factories>
+<Modular Biology Design, connectedTo, Automated Biology Workflows>
+<Novel Enzyme Creation, commercializes, Biofuel Production>
+<Novel Enzyme Creation, partOf, Novel Enzyme Creation>
+<Protein Design, connectedTo, Bio_logic Gates>
+<Public Engagement, connectedTo, Biofoundry Operations>
+<Public Engagement, manipulates, Biosafety Level Management>
+<Risk Assessment, connectedTo, Bio_manufacturing>
+<Risk Assessment, regulates, Public Engagement>
+<Sustainable Chemical Production, connectedTo, Automated Biology Workflows>
+<Sustainable Chemical Production, partOf, Sustainable Chemical Production>
+<Synthetic Organism Design, connectedTo, Cellular Reprogramming>
+<Vaccine Synthesis, connectedTo, Biosafety Level Management>
+<Vaccine Synthesis, connectedTo, DNA Synthesis>
diff --git a/train/graphviz/hard/graphviz_951.dot b/train/graphviz/hard/graphviz_951.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ad9b904a4781d5796a281355f4613adadad8b301
--- /dev/null
+++ b/train/graphviz/hard/graphviz_951.dot
@@ -0,0 +1,86 @@
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diff --git a/train/graphviz/hard/graphviz_951.txt b/train/graphviz/hard/graphviz_951.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa0300a57fa255324a4f9b6f4d2a87e950795662
--- /dev/null
+++ b/train/graphviz/hard/graphviz_951.txt
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+<Biocontainment Strategies, connectedTo, Ethical Implications>
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diff --git a/train/graphviz/hard/graphviz_952.txt b/train/graphviz/hard/graphviz_952.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ac43eb092218814dc60a2225ded2ea7c121c8454
--- /dev/null
+++ b/train/graphviz/hard/graphviz_952.txt
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+<Drug Delivery Systems, connectedTo, Modular Biology Design>
+<Ethical Implications, connectedTo, Sustainable Chemical Production>
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+<Gene Synthesis Platforms, partOf, Gene Synthesis Platforms>
+<Gene Therapy Delivery Systems, connectedTo, Gene Synthesis Platforms>
+<Gene Therapy Delivery Systems, partOf, Gene Therapy Delivery Systems>
+<Genetic Circuit Design, connectedTo, Biocontainment Strategies>
+<Genome Engineering, connectedTo, Computational Design of Biological Systems>
+<Modular Biology Design, DNA_sequences, Biocontainment Strategies>
+<Modular Biology Design, connectedTo, Public Engagement>
+<Modular Biology Design, connectedTo, Regulatory Frameworks>
+<Modular Biology Design, modifies, Ethical Implications>
+<Protein Design, connectedTo, Biofuel Production>
+<Public Engagement, connectedTo, Cell_Free Systems>
+<Regulatory Frameworks, connectedTo, Bio_logic Gates>
+<Regulatory Frameworks, partOf, Regulatory Frameworks>
+<Risk Assessment, connectedTo, Biosafety Level Management>
+<Risk Assessment, connectedTo, Protein Design>
+<Risk Assessment, therapies_innovates, Biofuel Production>
+<Sustainable Chemical Production, connectedTo, Genetic Circuit Design>
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diff --git a/train/graphviz/hard/graphviz_953.dot b/train/graphviz/hard/graphviz_953.dot
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diff --git a/train/graphviz/hard/graphviz_959.dot b/train/graphviz/hard/graphviz_959.dot
new file mode 100644
index 0000000000000000000000000000000000000000..92aa2f7b01b1968c76e46c51cd80370b2d014a31
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diff --git a/train/graphviz/hard/graphviz_960.txt b/train/graphviz/hard/graphviz_960.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2a6bb2a46390957b638adff69f1dffb9f345eedb
--- /dev/null
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+<Student Performance Tracking, connectedTo, Augmented Reality in Education>
+<Virtual Classrooms, connectedTo, Competency_Based Learning Platforms>
+<Virtual Labs, connectedTo, AI in Education>
+<Virtual Labs, partOf, Virtual Labs>
diff --git a/train/graphviz/hard/graphviz_97.dot b/train/graphviz/hard/graphviz_97.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6a331a749876afaefbd1ef44913c120c50b41edb
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+<Refactoring, connectedTo, System Design>
+<Refactoring, connectedTo, Technical Debt Management>
+<Refactoring, creates mobile apps, Coding>
+<Scalability Design, connectedTo, Web Application Development>
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+<Unit Testing, builds microservices, Technical Debt Management>
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+<Unit Testing, connectedTo, Coding>
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+<Assembly Line Optimization, connectedTo, High_Speed Digital Design>
+<Assembly Line Optimization, connectedTo, Troubleshooting and Debugging>
+<Assembly Line Optimization, manages power, Quality Control>
+<Environmental Testing, connectedTo, Assembly Line Optimization>
+<Environmental Testing, connectedTo, Power Management Design>
+<High_Speed Digital Design, programs microcontrollers, Material Selection>
+<Material Selection, connectedTo, Test Fixture Design>
+<PCB Layout, connectedTo, Reliability Testing>
+<PCB Layout, partOf, PCB Layout>
+<Power Integrity Analysis, connectedTo, High_Speed Digital Design>
+<Power Integrity Analysis, connectedTo, Power Management Design>
+<Power Management Design, connectedTo, Reliability Testing>
+<Quality Control, connectedTo, PCB Layout>
+<Quality Control, partOf, Quality Control>
+<Reliability Testing, connectedTo, High_Speed Digital Design>
+<Reliability Testing, connectedTo, Test Fixture Design>
+<Reliability Testing, integrates sensors, Material Selection>
+<Troubleshooting and Debugging, optimizes for low power, Power Management Design>
+<Troubleshooting and Debugging, oversees manufacturing, Power Integrity Analysis>
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+<Non_Repudiation, connectedTo, Consent Management>
+<User Provisioning, connectedTo, Compliance with Data Protection Regulations>
+<Verifiable Credentials, manages wallets, Credential Management>
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+<Air Cargo Handling, connectedTo, Proof of Delivery>
+<Barcode Scanning, connectedTo, Cargo Tracking>
+<Barcode Scanning, connectedTo, Carrier Selection>
+<Barcode Scanning, connectedTo, Global Trade Compliance>
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+<Cross_docking, connectedTo, Proof of Delivery>
+<Customs Clearance, connectedTo, Package Labeling>
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+<Driver Check_in, partOf, Driver Check_in>
+<Global Trade Compliance, connectedTo, Carrier Selection>
+<Hub Transfer, automates, Pallet Stacking>
+<Last_mile Dispatch, connectedTo, Barcode Scanning>
+<Last_mile Dispatch, stacks, Supply Chain Visibility>
+<Package Labeling, connectedTo, Supply Chain Visibility>
+<Package Labeling, processes, Cross_docking>
+<Pallet Stacking, tracks, Global Trade Compliance>
+<Proof of Delivery, connectedTo, Hub Transfer>
+<Proof of Delivery, sorts, Rail Transport Coordination>
+<Rail Transport Coordination, partOf, Rail Transport Coordination>
+<Rail Transport Coordination, weighs, Driver Check_in>
+<Supply Chain Visibility, dispatches, Air Cargo Handling>
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+<Bedroom Design, textures, Space Planning>
+<Client Consultation, partOf, Client Consultation>
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+<Flooring Specification, connectedTo, Smart Home Technology Integration>
+<Installation Supervision, connectedTo, Flooring Specification>
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+<Project Management, partOf, Project Management>
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+<Universal Design Principles, connectedTo, Project Management>
+<Wall Treatment Selection, connectedTo, Residential Interior Design>
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+<Micro_mobility Management, connectedTo, Sustainability Initiatives>
+<Policy Advocacy for Shared Mobility, partOf, Policy Advocacy for Shared Mobility>
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+<Public Transit Integration, educates, Data Analytics for Usage Patterns>
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+<Sustainability Initiatives, connectedTo, Fleet Management>
+<Ticketing and Fare Collection, analyzes, Micro_mobility Management>
+<User Onboarding, connectedTo, Customer Support>
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+<Vehicle Booking, partOf, Vehicle Booking>
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+<Biometric Ticketing, connectedTo, Event Promotion Tools>
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+<Festival Ticketing, connectedTo, Ticket Delivery>
+<Festival Ticketing, partOf, Festival Ticketing>
+<Group Booking Management, connectedTo, Queue Management>
+<Group Booking Management, connectedTo, Subscription or Season Pass Management>
+<Group Booking Management, reserves, Ticket Delivery>
+<Mobile Ticketing, connectedTo, Queue Management>
+<Order Confirmation, connectedTo, Biometric Ticketing>
+<Order Confirmation, connectedTo, Ticket Delivery>
+<Payment Processing, connectedTo, Festival Ticketing>
+<Payment Processing, partOf, Payment Processing>
+<Personalized Ticket Offers, connectedTo, Venue Capacity Management>
+<Queue Management, connectedTo, Ticket Delivery>
+<Scalper Prevention, connectedTo, Payment Processing>
+<Scalper Prevention, connects, Public Transport Ticketing>
+<Subscription or Season Pass Management, connectedTo, Mobile Ticketing>
+<Subscription or Season Pass Management, connectedTo, Ticket Delivery>
+<Ticket Delivery, connectedTo, Personalized Ticket Offers>
+<Venue Capacity Management, reports, Scalper Prevention>
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+<Accent Recognition, connectedTo, Automatic Speech Recognition>
+<Accent Recognition, connectedTo, Disordered Speech Recognition>
+<Accent Recognition, connectedTo, Speech Data Annotation>
+<Automatic Speech Recognition, connectedTo, Meeting Transcription>
+<Automatic Speech Recognition, connectedTo, Natural Language Understanding>
+<Automatic Speech Recognition, evaluates, Speaker Diarization>
+<Command and Control, connectedTo, Speaker Diarization>
+<Command and Control, tests, Disordered Speech Recognition>
+<Disordered Speech Recognition, connectedTo, Legal Transcription>
+<Legal Transcription, connectedTo, Voice Biometrics>
+<Medical Transcription, connectedTo, Speech Emotion Recognition>
+<Medical Transcription, partOf, Medical Transcription>
+<Meeting Transcription, connectedTo, Command and Control>
+<Natural Language Understanding, connectedTo, Speech Data Annotation>
+<Natural Language Understanding, understands, Medical Transcription>
+<Noise Reduction, connectedTo, Speech Data Annotation>
+<Noise Reduction, partOf, Noise Reduction>
+<Speaker Diarization, builds, Disordered Speech Recognition>
+<Speaker Diarization, connectedTo, Voice Assistant Development>
+<Speech Data Annotation, connectedTo, Voice Activity Detection>
+<Speech Emotion Recognition, connectedTo, Noise Reduction>
+<Speech Emotion Recognition, partOf, Speech Emotion Recognition>
+<Voice Activity Detection, connectedTo, Real_Time Captioning>
+<Voice Assistant Development, connectedTo, Disordered Speech Recognition>
+<Voice Biometrics, connectedTo, Natural Language Understanding>
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+<Disease Detection, connectedTo, Weather Tracking>
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+<Farm Maintenance, partOf, Farm Maintenance>
+<Fencing Installation, connectedTo, Weed Removal>
+<Food Processing, connectedTo, Greenhouse Control>
+<Food Processing, connectedTo, Traceability System>
+<Greenhouse Control, connectedTo, Disease Detection>
+<Harvesting, connectedTo, Fencing Installation>
+<Seedling Transplanting, connectedTo, Crop Rotation Planning>
+<Seedling Transplanting, educates, Farm Maintenance>
+<Soil Testing, connectedTo, Fencing Installation>
+<Soil Testing, partOf, Soil Testing>
+<Traceability System, connectedTo, Disease Detection>
+<Traceability System, connectedTo, Greenhouse Control>
+<Traceability System, connectedTo, Weather Tracking>
+<Traceability System, rotates, Crop Rotation Planning>
+<Weather Tracking, connectedTo, Seedling Transplanting>
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+digraph {
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