test
node1
GO:0008150
biological_process
node2
GO:0009987
cellular process
node1->node2
node16
GO:0051179
localization
node1->node16
node5
GO:0055085
transmembrane
transport
node2->node5
node3
GO:0006810
transport
node4
GO:0098657
import into cell
node3->node4
node3->node5
node7
GO:0071705
nitrogen compound
transport
node3->node7
node10
GO:0071702
organic substance
transport
node3->node10
node14
GO:0140201
urea import across
plasma membrane
node4->node14
node6
GO:0098739
import across plasma
membrane
node5->node6
node18
GO:0071918
urea transmembrane
transport
node5->node18
node6->node14
node8
GO:0042886
amide transport
node7->node8
node15
GO:0015840
urea transport
node8->node15
node9
GO:0051234
establishment of
localization
node9->node3
node13
GO:0019755
one-carbon compound
transport
node10->node13
node11
BFO:0000001
entity
node12
BFO:0000003
occurrent
node11->node12
node12->node12
node17
BFO:0000015
process
node12->node17
node13->node15
node15->node18
node16->node9
node17->node1
node18->node14