test
node1
GO:0008152
metabolic process
node2
GO:0044237
cellular metabolic
process
node1->node2
node9
GO:0071704
organic substance
metabolic process
node1->node9
node3
GO:0006790
sulfur compound
metabolic process
node2->node3
node6
GO:0046500
S-adenosylmethionine
metabolic process
node3->node6
node4
BFO:0000003
occurrent
node4->node4
node8
BFO:0000015
process
node4->node8
node5
GO:0009987
cellular process
node5->node2
node7
GO:0008150
biological_process
node7->node1
node7->node5
node8->node7
node9->node6
node10
BFO:0000001
entity
node10->node4