test
node1
BFO:0000003
occurrent
node1->node1
node8
BFO:0000015
process
node1->node8
node2
BFO:0000001
entity
node2->node1
node3
GO:0010243
response to
organonitrogen
compound
node4
GO:0014075
response to amine
node3->node4
node5
GO:0042221
response to chemical
node6
GO:0010033
response to organic
substance
node5->node6
node10
GO:1901698
response to nitrogen
compound
node5->node10
node6->node3
node7
GO:0050896
response to stimulus
node7->node5
node9
GO:0008150
biological_process
node8->node9
node9->node7
node10->node3