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: Is there a preferred restaurant you are looking to make reservations at and what city will this be in?

A: Yes
****
Q: Sorry but there is no availability for 4:30 pm at Mazzat in San Francisco today. Is there anything else I could assist you with?

A: No
****
Q: Can you change the city to Hayward?

A:
No
****