test
node1
GO:0005575
cellular_component
node2
GO:0110165
cellular anatomical
entity
node1->node2
node3
GO:0005622
intracellular
anatomical structure
node2->node3
node4
GO:0097433
dense body
node2->node4
node5
GO:0005737
cytoplasm
node2->node5
node3->node5
node5->node4