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.

Ex Input:
What time do you want to dine? What city are you in, perhaps you have a preferred restaurant?

Ex Output:
Yes

Ex Input:
I'd like to watch the movie now.

Ex Output:
No

Ex Input:
Please tell me the city in which to search.

Ex Output:
Yes