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".

Input: Consider Input: Brenda haggled Molly.

Output: unacceptable


Input: Consider Input: The trainer fed the steaks all to the lions.

Output: acceptable


Input: Consider Input: My father, he's Armenian, and my mother, she's Greek.


Output: acceptable