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: Each child should have a daily glass of milk.

Output: acceptable


Input: Consider Input: Lorenzo saw the eclipse.

Output: acceptable


Input: Consider Input: The knife which he threw into the sea had a gold handle.


Output: acceptable