test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node6
GO:0003674
molecular_function
node2->node6
node3
BFO:0000001
entity
node3->node1
node4
GO:0016782
transferase activity,
transferring
sulphur-containing
groups
node5
GO:0008146
sulfotransferase
activity
node4->node5
node7
GO:0003824
catalytic activity
node6->node7
node8
GO:0016740
transferase activity
node7->node8
node8->node4