test
node1
GO:0071840
cellular component
organization or
biogenesis
node2
GO:0016043
cellular component
organization
node1->node2
node4
GO:0061024
membrane organization
node2->node4
node3
BFO:0000003
occurrent
node3->node3
node6
BFO:0000015
process
node3->node6
node5
GO:0009987
cellular process
node5->node1
node7
GO:0008150
biological_process
node6->node7
node7->node5
node8
BFO:0000001
entity
node8->node3