test
node1
GO:0043229
intracellular
organelle
node2
GO:0031967
organelle envelope
node1->node2
node3
GO:0005575
cellular_component
node4
GO:0110165
cellular anatomical
entity
node3->node4
node5
GO:0031975
envelope
node4->node5
node6
GO:0005622
intracellular
anatomical structure
node4->node6
node7
GO:0043226
organelle
node4->node7
node5->node2
node6->node1
node7->node1
node8
GO:0043227
membrane-bounded
organelle
node7->node8
node8->node2