test
node1
GO:0008150
biological_process
node2
GO:0043473
pigmentation
node1->node2
node8
GO:0051179
localization
node1->node8
node9
GO:0009987
cellular process
node1->node9
node3
GO:0033059
cellular pigmentation
node2->node3
node10
GO:0051875
pigment granule
localization
node3->node10
node4
BFO:0000015
process
node4->node1
node5
GO:0051640
organelle
localization
node6
GO:0051648
vesicle localization
node5->node6
node6->node10
node7
BFO:0000003
occurrent
node7->node4
node7->node7
node8->node5
node9->node3
node11
BFO:0000001
entity
node11->node7