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: Mary reported John to have loved her.

Output: acceptable


Input: Consider Input: Who do you wonder what bought?

Output: unacceptable


Input: Consider Input: I wonder if on which shelve John will put the book.


Output: unacceptable