You are given a sentence from a conversation between a human and a virtual assistant. Your task is to identify whether the sentence is a question or not. Answer with Yes or No.

Example Input: No, I would like to watch Breakthrough with subtitles.
Example Output: No

Example Input: Do they serve liquor there?
Example Output: Yes

Example Input: Sure. What kind of food do you want? You can ask for Mexican, American, Sushi, or anything else. And also, what city should I search in?
Example Output:
Yes