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 would like to make a reservation at a restaurant.

Answer: No


Question: In which city and do you have a preferred restaurant?

Answer: Yes


Question: Sorry I was unable to make the reservation. Anything else I can help with?

Answer:
No