test
node1
GO:0032501
multicellular
organismal process
node2
GO:0001775
cell activation
node1->node2
node3
GO:0009987
cellular process
node3->node2
node4
BFO:0000015
process
node5
GO:0008150
biological_process
node4->node5
node5->node1
node5->node3
node6
BFO:0000003
occurrent
node6->node4
node7
BFO:0000001
entity
node7->node6