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: The truck rumbled into the driveway.

SOLUTION: acceptable

PROBLEM: The critique of Plato's Republic was written from a contemporary point of view.

SOLUTION: acceptable

PROBLEM: Who saw the man?

SOLUTION:
acceptable