test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node9
GO:0008150
biological_process
node2->node9
node3
GO:0051179
localization
node4
GO:0051641
cellular localization
node3->node4
node7
GO:0051235
maintenance of
location
node3->node7
node6
GO:0051651
maintenance of
location in cell
node4->node6
node5
GO:0009987
cellular process
node5->node4
node5->node6
node7->node6
node8
BFO:0000001
entity
node8->node1
node9->node3
node9->node5