test
node1
GO:0110165
cellular anatomical
entity
node2
GO:0072562
blood microparticle
node1->node2
node4
GO:0005576
extracellular region
node1->node4
node5
GO:0005615
extracellular space
node1->node5
node3
GO:0005575
cellular_component
node3->node1
node4->node5
node5->node2