test
node1
BFO:0000015
process
node2
GO:0008150
biological_process
node1->node2
node4
GO:0008152
metabolic process
node2->node4
node3
BFO:0000003
occurrent
node3->node1
node3->node3
node5
GO:0045730
respiratory burst
node4->node5
node6
BFO:0000001
entity
node6->node3