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".

[Q]: I wonder what Mary offered to him.
[A]: acceptable


[Q]: Joe likes his bar, and Sally's patrons do too.
[A]: acceptable


[Q]: I am frightened of tigers.
[A]:
acceptable