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.

[EX Q]: Okay. I will change the restaurant to El Amigo Burrito in Santa Clara. Does this work
[EX A]: No

[EX Q]: And their address?
[EX A]: Yes

[EX Q]: Please confirm: I'm booking a table for 3 people, today at 6 pm, at La Laguna in San Francisco.
[EX A]:
No