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: Please help me make a restaurant reservation for later today.

A: No
****
Q: Let's make it an evening 7:30 reservation and you should look in San Francisco.

A: No
****
Q: What time do you want to dine? What city are you in, perhaps you have a preferred restaurant?

A:
Yes
****