test
node1
BFO:0000001
entity
node2
BFO:0000003
occurrent
node1->node2
node2->node2
node9
BFO:0000015
process
node2->node9
node3
GO:0051234
establishment of
localization
node4
GO:0006810
transport
node3->node4
node6
GO:0006811
monoatomic ion
transport
node4->node6
node5
GO:0051179
localization
node5->node3
node7
GO:0006820
monoatomic anion
transport
node6->node7
node8
GO:0008150
biological_process
node8->node5
node9->node8