test
node1
GO:0008150
biological_process
node2
GO:0009987
cellular process
node1->node2
node8
GO:0051179
localization
node1->node8
node4
GO:0055085
transmembrane
transport
node2->node4
node3
GO:0006810
transport
node3->node4
node7
GO:0071702
organic substance
transport
node3->node7
node10
GO:0071705
nitrogen compound
transport
node3->node10
node6
GO:0072530
purine-containing
compound
transmembrane
transport
node4->node6
node5
BFO:0000015
process
node5->node1
node7->node6
node9
GO:0051234
establishment of
localization
node8->node9
node9->node3
node10->node6
node11
BFO:0000001
entity
node12
BFO:0000003
occurrent
node11->node12
node12->node5
node12->node12