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.

Q: No. I need to observe it with subtitles. I need to observe The Aftermath.

A: No
****
Q: That works for me. What type of food and liquor do they serve?

A: Yes
****
Q: What's their phone number? Do you know if they serve pasta?

A:
Yes
****