test
node1
GO:0005622
intracellular
anatomical structure
node2
GO:0005737
cytoplasm
node1->node2
node3
GO:0036007
scintillon
node2->node3
node4
GO:0110165
cellular anatomical
entity
node4->node1
node4->node2
node4->node3
node5
GO:0005575
cellular_component
node5->node4