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 to eat out today, and would like a reservation at a restaurant.

Answer: No


Question: I'm a little concerned about price. Would you say that the price range is not very costly.?

Answer: Yes


Question: yes, its called marnee in San Francisco.

Answer:
No