test
node1
GO:0032502
developmental process
node2
GO:0048856
anatomical structure
development
node1->node2
node5
GO:0009888
tissue development
node2->node5
node3
BFO:0000015
process
node4
GO:0008150
biological_process
node3->node4
node4->node1
node6
BFO:0000003
occurrent
node6->node3
node7
BFO:0000001
entity
node7->node6