test
node1
GO:0036293
response to decreased
oxygen levels
node2
GO:0034059
response to anoxia
node1->node2
node3
GO:0006950
response to stress
node3->node2
node4
GO:0009628
response to abiotic
stimulus
node5
GO:0070482
response to oxygen
levels
node4->node5
node5->node1
node6
GO:0008150
biological_process
node7
GO:0050896
response to stimulus
node6->node7
node7->node3
node7->node4
node8
BFO:0000003
occurrent
node8->node8
node9
BFO:0000015
process
node8->node9
node9->node6
node10
BFO:0000001
entity
node10->node8