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".

Ex Input:
She knocked himself on the head with a zucchini.

Ex Output:
unacceptable


Ex Input:
We were thankful that no one had been hurt.

Ex Output:
acceptable


Ex Input:
They can't stand each other, him and her.

Ex Output:

acceptable