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: To be clear, you want to watch Family without subtitles?
Example Output: No

Example Input: That's good. Do they serve liquor and what is there number?
Example Output: Yes

Example Input: Yes, I would like to watch Hellboy please.
Example Output:
No