test
node1
GO:0042221
response to chemical
node2
GO:1901700
response to
oxygen-containing
compound
node1->node2
node3
BFO:0000003
occurrent
node3->node3
node6
BFO:0000015
process
node3->node6
node4
GO:0050896
response to stimulus
node4->node1
node5
GO:0008150
biological_process
node5->node4
node6->node5
node7
BFO:0000001
entity
node7->node3