test
node1
GO:0008150
biological_process
node2
GO:0008152
metabolic process
node1->node2
node3
GO:0009987
cellular process
node1->node3
node7
GO:0071704
organic substance
metabolic process
node2->node7
node10
GO:0044237
cellular metabolic
process
node2->node10
node13
GO:0044238
primary metabolic
process
node2->node13
node14
GO:0006807
nitrogen compound
metabolic process
node2->node14
node3->node10
node4
GO:1901360
organic cyclic
compound metabolic
process
node5
GO:0006139
nucleobase-containin
compound metabolic
process
node4->node5
node18
GO:0090304
nucleic acid
metabolic process
node5->node18
node6
GO:0046483
heterocycle metabolic
process
node6->node5
node7->node4
node8
GO:0043170
macromolecule
metabolic process
node7->node8
node8->node18
node9
BFO:0000015
process
node9->node1
node10->node6
node11
GO:0034641
cellular nitrogen
compound metabolic
process
node10->node11
node12
GO:0006725
cellular aromatic
compound metabolic
process
node10->node12
node11->node5
node12->node5
node13->node5
node14->node11
node15
BFO:0000003
occurrent
node15->node9
node15->node15
node16
GO:0006259
DNA metabolic process
node17
GO:0006260
DNA replication
node16->node17
node18->node16
node19
BFO:0000001
entity
node19->node15