test
node1
BFO:0000015
process
node2
GO:0008150
biological_process
node1->node2
node7
GO:0042592
homeostatic process
node2->node7
node3
GO:0019725
cellular homeostasis
node4
GO:0055082
intracellular
chemical homeostasis
node3->node4
node5
BFO:0000001
entity
node6
BFO:0000003
occurrent
node5->node6
node6->node1
node6->node6
node7->node3
node8
GO:0048878
chemical homeostasis
node7->node8
node8->node4