Assertion: caterpillar | /r/UsedFor | bird
Facets:
value: to see them
type: PURPOSE
value: the easier
type: MANNER
Source sentences:
text: For, the easier the caterpillars were for birds and other predators to see them, the more they got eaten, and the eaten caterpillars didn't survive to produce moths that would produce the next generation of caterpillars that were easy to see...