Assertion: raven | /r/CapableOf | select the tool
Facets:
Source sentences:
text: Eighty percent of the time, the ravens selected the tool and were able to perform the task to retrieve the treat when the box was returned to them 15 minutes later.
text: Ravens seem to be a little more patient, selecting the tool or token that would get them the better food in the near future over 70 percent of the time.