test
node1
GO:0009987
cellular process
node2
GO:0051301
cell division
node1->node2
node4
GO:0008356
asymmetric cell
division
node2->node4
node9
GO:0017145
stem cell division
node2->node9
node3
BFO:0000003
occurrent
node3->node3
node6
BFO:0000015
process
node3->node6
node5
GO:0098722
asymmetric stem cell
division
node4->node5
node7
GO:0008150
biological_process
node6->node7
node7->node1
node8
BFO:0000001
entity
node8->node3
node9->node5