Assertion: purple | /r/HasProperty | rare
Facets:
value: in nature
type: LOCATION
value: relatively
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: If we go back to our pre-historic existence, our ancestors probably never saw a purple fruit, flower, bird, fish - or any living thing - because purple is very rare in nature.
text: In nature Purple is relatively rare, giving it special significance in various cultures throughout history.