test
node1
BFO:0000003
occurrent
node1->node1
node14
BFO:0000015
process
node1->node14
node2
GO:0007417
central nervous
system development
node3
GO:0007420
brain development
node2->node3
node6
GO:0030902
hindbrain development
node3->node6
node4
GO:0048856
anatomical structure
development
node5
GO:0060322
head development
node4->node5
node4->node6
node7
GO:0048731
system development
node4->node7
node10
GO:0007275
multicellular
organism development
node4->node10
node11
GO:0048513
animal organ
development
node4->node11
node5->node3
node7->node2
node12
GO:0007399
nervous system
development
node7->node12
node8
GO:0008150
biological_process
node9
GO:0032501
multicellular
organismal process
node8->node9
node13
GO:0032502
developmental process
node8->node13
node9->node10
node10->node7
node11->node3
node12->node2
node13->node4
node14->node8
node15
BFO:0000001
entity
node15->node1