test
node1
GO:0042221
response to chemical
node2
GO:0010033
response to organic
substance
node1->node2
node4
GO:0034097
response to cytokine
node2->node4
node3
GO:0050896
response to stimulus
node3->node1
node9
GO:0070669
response to
interleukin-2
node4->node9
node5
BFO:0000003
occurrent
node5->node5
node7
BFO:0000015
process
node5->node7
node6
BFO:0000001
entity
node6->node5
node8
GO:0008150
biological_process
node7->node8
node8->node3