test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node3
GO:0008150
biological_process
node2->node3
node4
GO:0009987
cellular process
node3->node4
node8
GO:0008152
metabolic process
node3->node8
node12
GO:0044237
cellular metabolic
process
node4->node12
node5
GO:0044249
cellular biosynthetic
process
node6
GO:0009110
vitamin biosynthetic
process
node5->node6
node7
GO:0009058
biosynthetic process
node7->node5
node11
GO:0044283
small molecule
biosynthetic process
node7->node11
node8->node7
node9
GO:0044281
small molecule
metabolic process
node8->node9
node8->node12
node10
GO:0006766
vitamin metabolic
process
node9->node10
node9->node11
node10->node6
node11->node6
node12->node5
node13
BFO:0000001
entity
node13->node1