test
node1
BFO:0000020
specifically
dependent continuant
node1->node1
node3
PATO:0000001
quality
node1->node3
node2
BFO:0000002
continuant
node2->node2
node2->node1
node4
PATO:0000068
qualitative
node3->node4
node6
PATO:0000070
amount
node4->node6
node5
BFO:0000001
entity
node5->node2