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:
In which city and do you have a preferred restaurant?

Ex Output:
Yes


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

Ex Output:
No


Ex Input:
which city should i search in? what time is the reservation for? do you have a preferred restaurant

Ex Output:

Yes