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: Are you looking for Chinese food? Italian food? Some other kind of food? Which city are you planning on eating in?
Example Output: Yes

Example Input: It's a restaurant called Yum Yum, and it's for six pm.
Example Output: No

Example Input: Are you looking for Chinese food? Italian food? Some other kind of food? Which city are you planning on eating in?
Example Output:
Yes