test
node1
GO:0043209
myelin sheath
node2
GO:0019911
structural
constituent of myelin
sheath
node1->node2
node3
BFO:0000015
process
node4
GO:0003674
molecular_function
node3->node4
node5
GO:0005198
structural molecule
activity
node4->node5
node5->node2
node6
BFO:0000001
entity
node7
BFO:0000003
occurrent
node6->node7
node7->node3
node7->node7
node8
GO:0110165
cellular anatomical
entity
node8->node1
node9
GO:0005575
cellular_component
node9->node8