test
node1
GO:0010033
response to organic
substance
node2
GO:0014070
response to organic
cyclic compound
node1->node2
node5
GO:1901501
response to xylene
node2->node5
node3
GO:0008150
biological_process
node4
GO:0050896
response to stimulus
node3->node4
node7
GO:0042221
response to chemical
node4->node7
node6
BFO:0000003
occurrent
node6->node6
node8
BFO:0000015
process
node6->node8
node7->node1
node8->node3
node9
BFO:0000001
entity
node9->node6