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 live music? What is there address
Example Output: Yes

Example Input: I'm sorry, but I was not able to make that reservation. Their phone number is 650-328-6885. Should I try to book a reservation for 1 person next Friday at 12:30 pm. Jing-jing Szechwan & Hunan Gourmet is quite nice.
Example Output: No

Example Input: For what time?
Example Output:
Yes