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 Q]: I've seen as much of a coward as Frank.
[EX A]: unacceptable

[EX Q]: He impresses his friends all as pompous.
[EX A]: unacceptable

[EX Q]: It was several young students in that the policeman met the park last night.
[EX A]:
unacceptable