test
node1
GO:0008150
biological_process
node2
GO:0009987
cellular process
node1->node2
node3
GO:0071840
cellular component
organization or
biogenesis
node2->node3
node4
GO:0016043
cellular component
organization
node3->node4
node6
GO:0030030
cell projection
organization
node4->node6
node5
BFO:0000015
process
node5->node1
node8
GO:0043711
pilus organization
node6->node8
node7
BFO:0000003
occurrent
node7->node5
node7->node7
node9
BFO:0000001
entity
node9->node7