test
node1
GO:0032501
multicellular
organismal process
node2
GO:0001775
cell activation
node1->node2
node5
GO:0045321
leukocyte activation
node2->node5
node3
GO:0009987
cellular process
node3->node2
node4
GO:0002376
immune system process
node4->node5
node6
BFO:0000003
occurrent
node6->node6
node8
BFO:0000015
process
node6->node8
node7
GO:0008150
biological_process
node7->node4
node7->node3
node7->node1
node8->node7
node9
BFO:0000001
entity
node9->node6