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 Input:
Okay. I will change the restaurant to El Amigo Burrito in Santa Clara. Does this work

Ex Output:
No


Ex Input:
What time should i make the reservation for?

Ex Output:
Yes


Ex Input:
To be clear, you would like to watch Hellboy? It will play without subtitles.

Ex Output:

No