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:
Great, thank you! That's all I needed.
answer:
No


question:
Please confirm that you would like to book a 11:30 am reservation for today at the Claw Shack in San Jose for a party of 2.
answer:
No


question:
Are their prices extravagant? How can I contact them.
answer:

Yes