test
node1
GO:0008150
biological_process
node2
GO:0008152
metabolic process
node1->node2
node3
GO:0009056
catabolic process
node2->node3
node4
GO:0071704
organic substance
metabolic process
node2->node4
node5
GO:1901575
organic substance
catabolic process
node3->node5
node4->node5
node8
GO:0120246
acetylenic compound
metabolic process
node4->node8
node6
GO:0120248
acetylenic compound
catabolic process
node5->node6
node7
BFO:0000015
process
node7->node1
node8->node6
node9
BFO:0000003
occurrent
node9->node7
node9->node9
node10
BFO:0000001
entity
node10->node9