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: Patrick is likely to leave.

A: acceptable
****
Q: It is this hat that it is certain that he was wearing.

A: acceptable
****
Q: work out an analysis that is typical of this view of understood subjects.

A:
acceptable
****