test
node1
GO:0009987
cellular process
node2
GO:0048869
cellular
developmental process
node1->node2
node13
GO:0030154
cell differentiation
node2->node13
node3
GO:0032502
developmental process
node3->node2
node4
GO:0048856
anatomical structure
development
node3->node4
node8
GO:0009888
tissue development
node4->node8
node5
BFO:0000001
entity
node6
BFO:0000003
occurrent
node5->node6
node6->node6
node12
BFO:0000015
process
node6->node12
node7
GO:0008150
biological_process
node7->node1
node7->node3
node9
GO:0060429
epithelium
development
node8->node9
node10
GO:0030855
epithelial cell
differentiation
node9->node10
node11
GO:0002065
columnar/cuboidal
epithelial cell
differentiation
node10->node11
node12->node7
node13->node10