test
node1
BFO:0000003
occurrent
node1->node1
node13
BFO:0000015
process
node1->node13
node2
GO:0042221
response to chemical
node3
GO:1901698
response to nitrogen
compound
node2->node3
node8
GO:0010033
response to organic
substance
node2->node8
node10
GO:1901700
response to
oxygen-containing
compound
node2->node10
node6
GO:0010243
response to
organonitrogen
compound
node3->node6
node4
GO:0050896
response to stimulus
node4->node2
node5
GO:0009719
response to
endogenous stimulus
node4->node5
node9
GO:0009725
response to hormone
node5->node9
node7
GO:1901652
response to peptide
node6->node7
node11
GO:0043434
response to peptide
hormone
node7->node11
node8->node6
node8->node9
node9->node11
node10->node7
node15
GO:1990776
response to
angiotensin
node11->node15
node12
GO:0008150
biological_process
node12->node4
node13->node12
node14
BFO:0000001
entity
node14->node1