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: Was the child in the school?

SOLUTION: acceptable

PROBLEM: How do you wonder which problem to solve?

SOLUTION: unacceptable

PROBLEM: Carol carved the tree on the branch.

SOLUTION:
unacceptable