test
node1
BFO:0000003
occurrent
node1->node1
node6
BFO:0000015
process
node1->node6
node2
GO:0003674
molecular_function
node3
GO:0003824
catalytic activity
node2->node3
node4
GO:0016787
hydrolase activity
node3->node4
node5
GO:0016801
hydrolase activity,
acting on ether bonds
node4->node5
node6->node2
node7
BFO:0000001
entity
node7->node1