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: the restaurant is la traviata.i want it in san fran.make it at 6:30 pm

Answer: No


Question: I would like to watch Penguin Highway.

Answer: No


Question: Yes, how expensive are they?

Answer:
Yes