Assertion: raven | /r/CapableOf | perform the task
Facets:
value: to get their treat
type: PURPOSE
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: About 80 percent of the time, the ravens selected the correct tool and performed the task to get their treat.
text: When offered a selection of objects almost 24 hours later, the ravens selected that specific tool again—and performed the task to get their treat.