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: Yes that's good. Do they serve liquor there?

Answer: Yes


Question: I'd like to make a reservation for 2 at Milpitas.

Answer: No


Question: okay, confirming you want to book for 2 people at La Vera Pizza in Santa Rosa today at 5 pm?

Answer:
No