test
node1
GO:0071840
cellular component
organization or
biogenesis
node2
GO:0016043
cellular component
organization
node1->node2
node3
GO:0006996
organelle
organization
node2->node3
node4
GO:0048284
organelle fusion
node3->node4
node5
GO:0009987
cellular process
node5->node1
node6
BFO:0000015
process
node7
GO:0008150
biological_process
node6->node7
node7->node5
node8
BFO:0000001
entity
node9
BFO:0000003
occurrent
node8->node9
node9->node6
node9->node9