You're given a sentence and your task is to classify whether the sentence is acceptable or not. Any sentence which is grammatically correct, has a naturalistic text, is written by a native speaker and which minimizes superfluous content is acceptable, otherwise unacceptable. If the sentence is acceptable then write "acceptable", otherwise "unacceptable".

Q: John wonders what Mary bought.

A: acceptable
****
Q: It is important to be more careful, the more you eat.

A: acceptable
****
Q: Hank plays the guitar and finds arrangements for, and Ernie writes down, all the old folk songs which are still sung in these hills.

A:
unacceptable
****