instruction:
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.
question:
Enjoy your reservation!
answer:
No


question:
Sure. What kind of food do you want? You can ask for Mexican, American, Sushi, or anything else. And also, what city should I search in?
answer:
Yes


question:
The reservation was successful.
answer:

No