test
node1
BFO:0000002
continuant
node1->node1
node2
BFO:0000020
specifically
dependent continuant
node1->node2
node7
BFO:0000019
quality
node2->node7
node2->node2
node4
PATO:0000001
quality
node2->node4
node3
BFO:0000001
entity
node3->node1
node5
PATO:0001241
physical object
quality
node4->node5
node6
PATO:0001995
organismal quality
node5->node6
node8
PATO:0001434
reproductive quality
node6->node8
node7->node7
node7->node5