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: Brenda haggled Molly.

SOLUTION: unacceptable

PROBLEM: Which problem do you wonder whether John said that Mary solved?

SOLUTION: unacceptable

PROBLEM: That Chris knew the answer occurred to Pat.

SOLUTION:
acceptable