test
node1
GO:0008152
metabolic process
node2
GO:0071704
organic substance
metabolic process
node1->node2
node3
GO:0044238
primary metabolic
process
node1->node3
node6
GO:0006629
lipid metabolic
process
node2->node6
node3->node6
node4
BFO:0000015
process
node5
GO:0008150
biological_process
node4->node5
node5->node1
node8
GO:1901568
fatty acid derivative
metabolic process
node6->node8
node7
BFO:0000003
occurrent
node7->node4
node7->node7
node9
BFO:0000001
entity
node9->node7