test
node1
GO:0050896
response to stimulus
node2
GO:0051716
cellular response to
stimulus
node1->node2
node3
GO:0042221
response to chemical
node1->node3
node4
GO:0070887
cellular response to
chemical stimulus
node2->node4
node3->node4
node7
GO:0009636
response to toxic
substance
node3->node7
node9
GO:0097237
cellular response to
toxic substance
node4->node9
node5
BFO:0000003
occurrent
node5->node5
node6
BFO:0000015
process
node5->node6
node11
GO:0008150
biological_process
node6->node11
node7->node9
node8
GO:0009987
cellular process
node8->node2
node10
BFO:0000001
entity
node10->node5
node11->node1
node11->node8