test
node1
GO:0032501
multicellular
organismal process
node2
GO:0001775
cell activation
node1->node2
node5
GO:0045321
leukocyte activation
node2->node5
node3
GO:0046649
lymphocyte activation
node4
GO:0030101
natural killer cell
activation
node3->node4
node5->node3
node6
GO:0009987
cellular process
node6->node2
node7
GO:0002376
immune system process
node7->node5
node8
BFO:0000003
occurrent
node8->node8
node10
BFO:0000015
process
node8->node10
node9
GO:0008150
biological_process
node9->node7
node9->node6
node9->node1
node10->node9
node11
BFO:0000001
entity
node11->node8