test
node1
BFO:0000001
entity
node2
BFO:0000002
continuant
node1->node2
node2->node2
node3
BFO:0000020
specifically
dependent continuant
node2->node3
node7
BFO:0000019
quality
node3->node7
node3->node3
node4
PATO:0000001
quality
node3->node4
node8
PATO:0001241
physical object
quality
node4->node8
node5
PATO:0000141
structure
node6
PATO:0000025
composition
node5->node6
node12
TO:0000281
metabolite content
trait
node6->node12
node7->node7
node11
PATO:0000051
morphology
node7->node11
node7->node8
node8->node11
node9
TO:0001136
grain protein content
node10
TO:0000138
brown rice protein
content
node9->node10
node11->node5
node13
TO:0000598
protein content
node12->node13
node13->node9
node14
TO:0000277
biochemical trait
node14->node12
node15
TO:0000387
plant trait
node15->node14