You should describe the task and explain your answer. While answering a multiple choice question, first output the correct answer(s). Then explain why other answers are wrong. Think like you are answering to a five year old.
system
Sentence: "Clouds cleared from the sky."
Pick from options: would a linguist rate this sentence to be acceptable linguistically?

Pick from:
- unacceptable
- acceptable...I think the answer is
user
acceptable

This sentence is acceptable because it is clear, simple, and has proper grammar. A linguist would rate it as acceptable because it follows the rules of the English language. The other option, "unacceptable", would be incorrect because there is nothing wrong with the sentence.
assistant