test
node1
GO:0009058
biosynthetic process
node2
GO:0044283
small molecule
biosynthetic process
node1->node2
node3
GO:0008152
metabolic process
node3->node1
node7
GO:0044281
small molecule
metabolic process
node3->node7
node4
BFO:0000003
occurrent
node4->node4
node5
BFO:0000015
process
node4->node5
node6
GO:0008150
biological_process
node5->node6
node6->node3
node7->node2
node8
BFO:0000001
entity
node8->node4