test
node1
GO:0048869
cellular
developmental process
node2
GO:0030154
cell differentiation
node1->node2
node5
GO:0090627
plant epidermal cell
differentiation
node2->node5
node3
GO:0032502
developmental process
node3->node1
node4
GO:0008150
biological_process
node4->node3
node6
GO:0009987
cellular process
node4->node6
node6->node1
node7
BFO:0000015
process
node7->node4
node8
BFO:0000003
occurrent
node8->node7
node9
BFO:0000001
entity
node9->node8