test
node1
GO:0043170
macromolecule
metabolic process
node2
GO:0009059
macromolecule
biosynthetic process
node1->node2
node3
GO:0071704
organic substance
metabolic process
node3->node1
node4
GO:1901576
organic substance
biosynthetic process
node3->node4
node4->node2
node5
GO:0008152
metabolic process
node6
GO:0009058
biosynthetic process
node5->node6
node5->node3
node6->node4
node7
BFO:0000003
occurrent
node7->node7
node8
BFO:0000015
process
node7->node8
node9
GO:0008150
biological_process
node8->node9
node9->node5
node10
BFO:0000001
entity
node10->node7