test
node1
GO:0009056
catabolic process
node2
GO:1901575
organic substance
catabolic process
node1->node2
node6
GO:0009057
macromolecule
catabolic process
node2->node6
node3
GO:0008152
metabolic process
node3->node1
node8
GO:0071704
organic substance
metabolic process
node3->node8
node4
GO:0008150
biological_process
node4->node3
node5
BFO:0000015
process
node5->node4
node7
GO:0043170
macromolecule
metabolic process
node7->node6
node8->node2
node8->node7
node9
BFO:0000003
occurrent
node9->node5
node9->node9
node10
BFO:0000001
entity
node10->node9