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 could not make the reservation. They serve California style food. They don't serve liquor. Wence's restaurant is very nice, should I try a reservation for 2 people today at 11:30 am?

Answer: No


Question: Can you start the movie?

Answer: No


Question: What kind of food do you prefer to eat? Which city are you located now?

Answer:
Yes