test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node7
GO:0008150
biological_process
node2->node7
node3
GO:0002118
aggressive behavior
node4
GO:0002126
instrumental
aggressive behavior
node3->node4
node5
GO:0032501
multicellular
organismal process
node6
GO:0007610
behavior
node5->node6
node6->node3
node7->node5
node8
BFO:0000001
entity
node8->node1