test
node1
GO:0009987
cellular process
node2
GO:0007049
cell cycle
node1->node2
node6
GO:0022402
cell cycle process
node1->node6
node2->node6
node3
GO:0008150
biological_process
node3->node1
node4
BFO:0000001
entity
node5
BFO:0000003
occurrent
node4->node5
node5->node5
node7
BFO:0000015
process
node5->node7
node8
GO:0007059
chromosome
segregation
node6->node8
node7->node3
node9
GO:0098813
nuclear chromosome
segregation
node8->node9