test
node1
GO:0007399
nervous system
development
node2
GO:0061548
ganglion development
node1->node2
node3
GO:0009888
tissue development
node3->node2
node4
GO:0048731
system development
node4->node1
node5
GO:0032501
multicellular
organismal process
node6
GO:0007275
multicellular
organism development
node5->node6
node6->node4
node7
GO:0008150
biological_process
node7->node5
node8
GO:0032502
developmental process
node7->node8
node9
GO:0048856
anatomical structure
development
node8->node9
node9->node6
node9->node3
node9->node4
node10
BFO:0000003
occurrent
node10->node10
node11
BFO:0000015
process
node10->node11
node11->node7
node12
BFO:0000001
entity
node12->node10