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".

Example Input: Jennifer swatted Steve.
Example Output: acceptable

Example Input: I believe that the world is round strongly.
Example Output: unacceptable

Example Input: The angrier that Sue gets, the more that Fred admires her.
Example Output:
acceptable