test
node1
BFO:0000001
entity
node2
BFO:0000003
occurrent
node1->node2
node2->node2
node6
BFO:0000015
process
node2->node6
node3
GO:0009987
cellular process
node4
GO:0022402
cell cycle process
node3->node4
node7
GO:0007049
cell cycle
node3->node7
node8
GO:0051301
cell division
node3->node8
node9
GO:0000910
cytokinesis
node4->node9
node5
GO:0008150
biological_process
node5->node3
node6->node5
node7->node4
node8->node9