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".

Ex Input:
Tom ordered bacon, and Dick lettuce, and I think that Harry tomatoes.

Ex Output:
unacceptable


Ex Input:
The man who ordered ice cream said the pudding would be tasty.

Ex Output:
acceptable


Ex Input:
They said that Tom was working, and he is working.

Ex Output:

acceptable