test
node1
GO:0009653
anatomical structure
morphogenesis
node2
GO:0032989
cellular component
morphogenesis
node1->node2
node3
GO:0008150
biological_process
node4
GO:0032502
developmental process
node3->node4
node4->node1
node5
GO:0048856
anatomical structure
development
node4->node5
node5->node1
node6
BFO:0000003
occurrent
node6->node6
node7
BFO:0000015
process
node6->node7
node7->node3
node8
BFO:0000001
entity
node8->node6