test
node1
GO:0042221
response to chemical
node2
GO:0007584
response to nutrient
node1->node2
node10
GO:0010033
response to organic
substance
node1->node10
node12
GO:0033273
response to vitamin
node2->node12
node3
BFO:0000003
occurrent
node3->node3
node4
BFO:0000015
process
node3->node4
node9
GO:0008150
biological_process
node4->node9
node5
GO:0009605
response to external
stimulus
node6
GO:0009991
response to
extracellular
stimulus
node5->node6
node8
GO:0031667
response to nutrient
levels
node6->node8
node7
GO:0050896
response to stimulus
node7->node1
node7->node5
node8->node2
node9->node7
node13
GO:0033993
response to lipid
node10->node13
node11
BFO:0000001
entity
node11->node3
node14
GO:0033189
response to vitamin A
node12->node14
node13->node14