test
node1
GO:0032501
multicellular
organismal process
node2
GO:0007275
multicellular
organism development
node1->node2
node14
GO:0048731
system development
node2->node14
node3
BFO:0000015
process
node4
GO:0008150
biological_process
node3->node4
node4->node1
node5
GO:0032502
developmental process
node4->node5
node6
GO:0009653
anatomical structure
morphogenesis
node5->node6
node9
GO:0048856
anatomical structure
development
node5->node9
node7
GO:0009887
animal organ
morphogenesis
node6->node7
node13
GO:0060439
trachea morphogenesis
node7->node13
node8
BFO:0000003
occurrent
node8->node3
node8->node8
node9->node2
node9->node6
node10
GO:0048513
animal organ
development
node9->node10
node9->node14
node10->node7
node12
GO:0060438
trachea development
node10->node12
node11
GO:0060541
respiratory system
development
node11->node12
node12->node13
node14->node11
node15
BFO:0000001
entity
node15->node8