Assertion: crow | /r/CapableOf | save good ones
Facets:
value: for future use
type: PURPOSE
Source sentences:
text: Crows use tools, and even save good ones for future use; know how to use their environments, such as human car traffic, to help get food; recognise human faces across generations, remembering humans who have done them either harm or good and reacting accordingly; and are the only bird to have passed the mirror recognition test.