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: John wonders what Mary bought.

Output: acceptable


Input: Consider Input: Mag Wildwood came to introduce the bartender but I came precisely not to.

Output: acceptable


Input: Consider Input: I resigned because Mary hired someone.


Output: acceptable