test
node1
GO:0003002
regionalization
node2
GO:0021871
forebrain
regionalization
node1->node2
node3
GO:0060322
head development
node4
GO:0007420
brain development
node3->node4
node16
GO:0030900
forebrain development
node4->node16
node5
GO:0007275
multicellular
organism development
node6
GO:0007389
pattern specification
process
node5->node6
node15
GO:0048731
system development
node5->node15
node6->node1
node7
GO:0032501
multicellular
organismal process
node7->node5
node7->node6
node8
GO:0008150
biological_process
node8->node7
node9
GO:0032502
developmental process
node8->node9
node12
GO:0048856
anatomical structure
development
node9->node12
node10
GO:0007399
nervous system
development
node11
GO:0007417
central nervous
system development
node10->node11
node11->node4
node12->node3
node12->node5
node13
GO:0048513
animal organ
development
node12->node13
node12->node15
node12->node16
node13->node4
node14
BFO:0000015
process
node14->node8
node15->node10
node15->node11
node16->node2
node17
BFO:0000003
occurrent
node17->node14
node18
BFO:0000001
entity
node18->node17