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: The Shah slept in a bed.

Output: acceptable


Input: Consider Input: Whenever Bill smokes, Susan hates him far more.

Output: acceptable


Input: Consider Input: There lay a dog in the comer.


Output: unacceptable