test
node1
BFO:0000015
process
node2
GO:0003674
molecular_function
node1->node2
node4
GO:0005488
binding
node2->node4
node3
BFO:0000003
occurrent
node3->node1
node3->node3
node5
GO:0005515
protein binding
node4->node5
node7
GO:0003823
antigen binding
node4->node7
node8
GO:1990405
protein antigen
binding
node5->node8
node6
BFO:0000001
entity
node6->node3
node7->node8