QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: You may pick every flower.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: we also need to explain the relation between these trees.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: John had an error in the proof he presented.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
I sent she away.