test
node1
GO:0061027
umbilical cord
development
node2
GO:0036304
umbilical cord
morphogenesis
node1->node2
node3
GO:0009653
anatomical structure
morphogenesis
node3->node2
node4
GO:0048856
anatomical structure
development
node4->node1
node4->node3
node5
GO:0008150
biological_process
node6
GO:0032502
developmental process
node5->node6
node6->node3
node6->node4
node7
BFO:0000015
process
node7->node5
node8
BFO:0000003
occurrent
node8->node7
node9
BFO:0000001
entity
node9->node8