test
node1
GO:0003674
molecular_function
node2
GO:0060089
molecular transducer
activity
node1->node2
node5
GO:0038023
signaling receptor
activity
node2->node5
node3
BFO:0000001
entity
node4
BFO:0000003
occurrent
node3->node4
node4->node4
node7
BFO:0000015
process
node4->node7
node6
GO:0140375
immune receptor
activity
node5->node6
node7->node1