Assertion: ape | /r/CapableOf | do clever trick
Facets:
value: simply
type: MANNER
value: for a reward
type: PURPOSE
Source sentences:
text: Among the reasons for skepticism are the differences in ease with which human beings and apes can learn language; there are also questions of whether there is a clear beginning and end to the signed gestures and whether the apes actually understand language or are simply doing a clever trick for a reward.