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: What time do you want to dine? What city are you in, perhaps you have a preferred restaurant?
Example Output: Yes

Example Input: I would like to make a reservation at a restaurant in Half Moon Bay.
Example Output: No

Example Input: Do you want my help with anything else?
Example Output:
Yes