test
node1
GO:0050896
response to stimulus
node2
GO:0042221
response to chemical
node1->node2
node3
GO:1901700
response to
oxygen-containing
compound
node2->node3
node5
GO:0010033
response to organic
substance
node2->node5
node9
GO:1902074
response to salt
node2->node9
node13
GO:1901698
response to nitrogen
compound
node2->node13
node4
GO:0042220
response to cocaine
node3->node4
node10
GO:0010243
response to
organonitrogen
compound
node5->node10
node14
GO:0014070
response to organic
cyclic compound
node5->node14
node6
BFO:0000003
occurrent
node6->node6
node7
BFO:0000015
process
node6->node7
node8
GO:0008150
biological_process
node7->node8
node8->node1
node9->node4
node11
GO:0043279
response to alkaloid
node10->node11
node11->node4
node12
BFO:0000001
entity
node12->node6
node13->node10
node14->node4