test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node3
GO:0008150
biological_process
node2->node3
node4
GO:0065007
biological regulation
node3->node4
node5
GO:0050789
regulation of
biological process
node3->node5
node8
GO:0040007
growth
node3->node8
node4->node5
node6
GO:0040008
regulation of growth
node5->node6
node7
BFO:0000001
entity
node7->node1
node8->node6