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: Smith was annealing.

A: acceptable
****
Q: Tom picked these grapes, and I washed these grapes, and Suzie will prepare these grapes.

A: acceptable
****
Q: Tonight, what Bob cooked yesterday still tastes good, so tonight, what Bob cooked yesterday will be eaten up.

A:
acceptable
****