test
node1
GO:0005576
extracellular region
node2
GO:0043230
extracellular
organelle
node1->node2
node3
GO:0005575
cellular_component
node4
GO:0110165
cellular anatomical
entity
node3->node4
node4->node1
node5
GO:0043226
organelle
node4->node5
node5->node2