test
node1
GO:0048731
system development
node2
GO:0007399
nervous system
development
node1->node2
node8
GO:0007272
ensheathment of
neurons
node2->node8
node3
GO:0032501
multicellular
organismal process
node4
GO:0007275
multicellular
organism development
node3->node4
node4->node1
node5
GO:0008150
biological_process
node5->node3
node6
GO:0032502
developmental process
node5->node6
node9
GO:0009987
cellular process
node5->node9
node7
GO:0048856
anatomical structure
development
node6->node7
node7->node1
node7->node4
node9->node8
node10
BFO:0000015
process
node10->node5
node11
BFO:0000003
occurrent
node11->node10
node12
BFO:0000001
entity
node12->node11