test
node1
BFO:0000001
entity
node2
BFO:0000003
occurrent
node1->node2
node2->node2
node6
BFO:0000015
process
node2->node6
node3
GO:0032502
developmental process
node4
GO:0009653
anatomical structure
morphogenesis
node3->node4
node7
GO:0048856
anatomical structure
development
node3->node7
node5
GO:0000902
cell morphogenesis
node4->node5
node8
GO:0008150
biological_process
node6->node8
node7->node4
node8->node3