test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node3
GO:0008150
biological_process
node2->node3
node4
GO:0008152
metabolic process
node3->node4
node7
GO:0071704
organic substance
metabolic process
node4->node7
node9
GO:0044281
small molecule
metabolic process
node4->node9
node5
GO:1901615
organic hydroxy
compound metabolic
process
node6
GO:0006066
alcohol metabolic
process
node5->node6
node7->node5
node8
BFO:0000001
entity
node8->node1
node9->node6