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:
which city should I search from

Ex Output:
Yes


Ex Input:
No problem. What time would you like a reservation for?

Ex Output:
Yes


Ex Input:
I can do that but before I do lets just confirm the information I have. You would like a reservation for 1, at Katsu Los Gatos, located in Los Gatos, on March 12th, at 6 pm. Would you like me to make the reservation with this information?

Ex Output:
No