David Premack Taught a Chimp Named Sarah to Do All

Multiple Choice

David Premack taught a chimp named Sarah to do all of the following EXCEPT to

A) construct six-word sentences using American Sign Language (ASL) .
B) perform actions after reading the message made in plastic chips on a magnetized board.
C) label things "same" or "different" and to classify objects by color, shape, and size.
D) use correct word order and to make conditional sentences.