test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node6
GO:0008150
biological_process
node2->node6
node3
GO:0006810
transport
node4
GO:0055085
transmembrane
transport
node3->node4
node9
GO:0098660
inorganic ion
transmembrane
transport
node4->node9
node5
GO:0009987
cellular process
node5->node4
node6->node5
node7
GO:0051179
localization
node6->node7
node8
GO:0051234
establishment of
localization
node7->node8
node8->node3
node10
GO:0098662
inorganic cation
transmembrane
transport
node9->node10
node11
BFO:0000001
entity
node11->node1