test
node1
BFO:0000001
entity
node2
BFO:0000003
occurrent
node1->node2
node2->node2
node8
BFO:0000015
process
node2->node8
node3
GO:0098609
cell-cell adhesion
node4
GO:0098742
cell-cell adhesion
via plasma-membrane
adhesion molecules
node3->node4
node5
GO:0008150
biological_process
node6
GO:0009987
cellular process
node5->node6
node7
GO:0007155
cell adhesion
node6->node7
node7->node3
node8->node5