test
node1
GO:0005886
plasma membrane
node2
GO:0009897
external side of
plasma membrane
node1->node2
node3
GO:0071944
cell periphery
node3->node1
node4
GO:0009986
cell surface
node4->node2
node5
GO:0098552
side of membrane
node5->node2
node6
GO:0110165
cellular anatomical
entity
node6->node4
node7
GO:0016020
membrane
node6->node7
node6->node3
node6->node5
node7->node1
node7->node5
node8
GO:0005575
cellular_component
node8->node6