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: Do they have liquor and live music?
Example Output: Yes

Example Input: So, it's next Friday for 2 people?
Example Output: No

Example Input: Yeah, that's good for me. Do they play live songs?
Example Output:
Yes