test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node3
BFO:0000020
specifically
dependent continuant
node2->node3
node5
BFO:0000019
quality
node3->node5
node3->node3
node4
PATO:0000001
quality
node3->node4
node8
PATO:0001241
physical object
quality
node4->node8
node5->node5
node5->node8
node6
PATO:0070060
quality of
interaction of a
substance with
electromagnetic
radiation
node7
PATO:0001300
optical quality
node6->node7
node10
PATO:0001301
chromatic property
node7->node10
node9
PATO:0001018
physical quality
node8->node9
node12
PATO:0002198
quality of a
substance
node9->node12
node11
PATO:0000017
color saturation
node10->node11
node13
PATO:0000328
low saturation
node11->node13
node12->node6