test
node1
BFO:0000001
entity
node2
BFO:0000003
occurrent
node1->node2
node2->node2
node8
BFO:0000015
process
node2->node8
node3
GO:0009653
anatomical structure
morphogenesis
node4
GO:0048729
tissue morphogenesis
node3->node4
node9
GO:0002009
morphogenesis of an
epithelium
node4->node9
node5
GO:0032502
developmental process
node5->node3
node6
GO:0048856
anatomical structure
development
node5->node6
node6->node3
node7
GO:0009888
tissue development
node6->node7
node7->node4
node12
GO:0060429
epithelium
development
node7->node12
node10
GO:0008150
biological_process
node8->node10
node11
GO:0060571
morphogenesis of an
epithelial fold
node9->node11
node10->node5
node12->node9