test
node1
GO:0050896
response to stimulus
node2
GO:0009719
response to
endogenous stimulus
node1->node2
node6
GO:0070848
response to growth
factor
node2->node6
node3
GO:0008150
biological_process
node3->node1
node4
BFO:0000003
occurrent
node4->node4
node5
BFO:0000015
process
node4->node5
node5->node3
node7
GO:0071774
response to
fibroblast growth
factor
node6->node7
node8
BFO:0000001
entity
node8->node4