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:
I want a reservation for Hisui in Vacaville at, say, quarter to 8 in the evening.
answer:
No


question:
I can sure try, what time do you want to eat?
answer:
Yes


question:
Sorry, Please change it the 8th at 11:30
answer:
No