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]: Perfect. What are the prices at Anh Hong like?
[EX A]: Yes

[EX Q]: Yes that is perfect. What is the address and phone number?
[EX A]: Yes

[EX Q]: OK, do you have a preferred restaurant? What time and city are you interested in?
[EX A]:
Yes