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: I can help you with that. What kind of food are you interested in?
Example Output: Yes

Example Input: In which city should I search?
Example Output: Yes

Example Input: Yes, I don't necessarily need a whole table but I think they will understand.
Example Output:
No