test
node1
BFO:0000015
process
node2
GO:0008150
biological_process
node1->node2
node5
GO:0032501
multicellular
organismal process
node2->node5
node3
BFO:0000001
entity
node4
BFO:0000003
occurrent
node3->node4
node4->node1
node4->node4
node6
GO:0003008
system process
node5->node6
node9
GO:0003014
renal system process
node6->node9
node7
GO:0070293
renal absorption
node8
GO:0097017
renal protein
absorption
node7->node8
node9->node7