test
node1
GO:0032501
multicellular
organismal process
node2
GO:0007275
multicellular
organism development
node1->node2
node3
GO:0048731
system development
node2->node3
node7
GO:0007399
nervous system
development
node3->node7
node8
GO:0007417
central nervous
system development
node3->node8
node4
GO:0048856
anatomical structure
development
node4->node2
node4->node3
node12
GO:0048513
animal organ
development
node4->node12
node13
GO:0061524
central canal
development
node4->node13
node5
BFO:0000003
occurrent
node5->node5
node6
BFO:0000015
process
node5->node6
node10
GO:0008150
biological_process
node6->node10
node7->node8
node9
GO:0021510
spinal cord
development
node8->node9
node9->node13
node10->node1
node11
GO:0032502
developmental process
node10->node11
node11->node4
node12->node9
node14
BFO:0000001
entity
node14->node5