test
node1
BFO:0000015
process
node2
GO:0008150
biological_process
node1->node2
node4
GO:0009987
cellular process
node2->node4
node12
GO:0051179
localization
node2->node12
node3
BFO:0000003
occurrent
node3->node1
node3->node3
node6
GO:0055085
transmembrane
transport
node4->node6
node5
GO:0006810
transport
node5->node6
node8
GO:0098657
import into cell
node5->node8
node7
GO:0098660
inorganic ion
transmembrane
transport
node6->node7
node11
GO:0098739
import across plasma
membrane
node6->node11
node9
GO:0099587
inorganic ion import
across plasma
membrane
node7->node9
node8->node9
node10
GO:0051234
establishment of
localization
node10->node5
node11->node9
node12->node10
node13
BFO:0000001
entity
node13->node3