test
node1
GO:0022403
cell cycle phase
node2
GO:0051322
anaphase
node1->node2
node8
GO:0000279
M phase
node1->node8
node3
BFO:0000015
process
node4
GO:0008150
biological_process
node3->node4
node6
GO:0044848
biological phase
node4->node6
node5
BFO:0000003
occurrent
node5->node3
node6->node1
node7
BFO:0000001
entity
node7->node5
node8->node2