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 chickens seem fond with the farmer.

Output: unacceptable


Input: Consider Input: Mary questioned Joe's desire to eat cabbage, but only after I had questioned Sally's desire to.

Output: unacceptable


Input: Consider Input: A solution immediately presented itself to him.


Output: acceptable