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".

the pencil with that he is writing broke.
unacceptable

Did that John showed up please you?
unacceptable

There runs a man in the park.

unacceptable