TASK DEFINITION: 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".
PROBLEM: I know which book Mag read, and which book Bob discussed after I had.

SOLUTION: unacceptable

PROBLEM: The manner which Jack disappeared in was creepy.

SOLUTION: unacceptable

PROBLEM: Max failed the kids all as a father.

SOLUTION:
unacceptable