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: Please confirm the following: Reserving a table for 2 at Angel Fish in Alameda for today at 12 pm.

Answer: No


Question: Yes that's perfect

Answer: No


Question: Sorry I was unable to make the reservation. Can I help with anything else?

Answer:
No