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 Q]: What kind of food do you want? Which city should I look in?
[EX A]: Yes

[EX Q]: Yes, that's it. What is the street address for Lemongrass? Also, what type of food is on their menu?
[EX A]: Yes

[EX Q]: which city do you want?
[EX A]:
Yes