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.

Q: What time should I reserve for?

A: Yes
****
Q: Okay. I will change the restaurant to El Amigo Burrito in Santa Clara. Does this work

A: No
****
Q: Which city should I search?

A:
Yes
****