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: At what time do you want to eat?

A: Yes
****
Q: What time do you want to dine? What city are you in, perhaps you have a preferred restaurant?

A: Yes
****
Q: No.Red Jade is the restaurant.

A:
No
****