test
node1
BFO:0000003
occurrent
node1->node1
node2
BFO:0000015
process
node1->node2
node7
GO:0003674
molecular_function
node2->node7
node3
GO:0016829
lyase activity
node4
GO:0016846
carbon-sulfur lyase
activity
node3->node4
node6
GO:0050271
S-alkylcysteine lyase
activity
node4->node6
node5
BFO:0000001
entity
node5->node1
node8
GO:0003824
catalytic activity
node7->node8
node8->node3