test
node1
BFO:0000015
process
node2
GO:0008150
biological_process
node1->node2
node3
GO:0008152
metabolic process
node2->node3
node5
GO:0009987
cellular process
node2->node5
node4
GO:0044237
cellular metabolic
process
node3->node4
node6
GO:0006091
generation of
precursor metabolites
and energy
node4->node6
node5->node4
node8
GO:0015980
energy derivation by
oxidation of organic
compounds
node6->node8
node7
BFO:0000003
occurrent
node7->node1
node7->node7
node9
BFO:0000001
entity
node9->node7