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:
Your reservation is a success.
answer:
No


question:
In which city is Cassava restaurant and what time would you like the reservation?
answer:
Yes


question:
Please confirm the 11:30 am reservation at Paradise Sushi & Grill.
answer:
No