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