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: Do they have any liquor supply?

Answer: Yes


Question: What type of movie do you like to watch ? whether you need subtitles?

Answer: Yes


Question: I'll give up on booking a table for now. Thanks for the help, though.

Answer:
No