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: We were thankful that no one had been hurt.

SOLUTION: acceptable

PROBLEM: John a decidedly taller man than Bill.

SOLUTION: acceptable

PROBLEM: Which report that John revised did he submit?

SOLUTION:
acceptable