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: Who did you wonder saw Kim?

SOLUTION: unacceptable

PROBLEM: The students looked the high stairs up.

SOLUTION: unacceptable

PROBLEM: It is this problem that the sooner you solve the more easily you'll satisfy the folks up at corporate headquarters.

SOLUTION:
acceptable