test
node1
GO:0008150
biological_process
node2
GO:0032502
developmental process
node1->node2
node4
GO:0009987
cellular process
node1->node4
node5
GO:0048869
cellular
developmental process
node2->node5
node3
BFO:0000003
occurrent
node3->node3
node6
BFO:0000015
process
node3->node6
node4->node5
node6->node1
node7
BFO:0000001
entity
node7->node3