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]: Yes, that is correct. What is their address and phone number?
[EX A]: Yes

[EX Q]: Can you tell me the phone number?
[EX A]: Yes

[EX Q]: Which city should I search?
[EX A]:
Yes