instruction:
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".
question:
The oil separated from the vinegar.
answer:
acceptable


question:
Stephen believed the cat to be out of the bag.
answer:
acceptable


question:
Carol carved the tree's branch.
answer:

acceptable