test
node1
GO:0006950
response to stress
node2
GO:0055093
response to hyperoxia
node1->node2
node3
GO:0070482
response to oxygen
levels
node4
GO:0036296
response to increased
oxygen levels
node3->node4
node4->node2
node5
GO:0009628
response to abiotic
stimulus
node5->node3
node6
GO:0008150
biological_process
node7
GO:0050896
response to stimulus
node6->node7
node7->node1
node7->node5
node8
BFO:0000003
occurrent
node8->node8
node9
BFO:0000015
process
node8->node9
node9->node6
node10
BFO:0000001
entity
node10->node8