test
node1
BFO:0000003
occurrent
node1->node1
node8
BFO:0000015
process
node1->node8
node2
BFO:0000001
entity
node2->node1
node3
GO:0008152
metabolic process
node4
GO:0071704
organic substance
metabolic process
node3->node4
node9
GO:0044238
primary metabolic
process
node3->node9
node5
GO:0005975
carbohydrate
metabolic process
node4->node5
node6
GO:0009311
oligosaccharide
metabolic process
node5->node6
node7
GO:0051679
6-alpha-maltosylgluc
se metabolic process
node6->node7
node10
GO:0008150
biological_process
node8->node10
node9->node5
node10->node3