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:
Who directed the movie?

Ex Output:
Yes


Ex Input:
I would like to make a reservation at a restaurant.

Ex Output:
No


Ex Input:
I'd like to have it in Antioch at evening 5:30, and the diner is Chili's Grill.

Ex Output:

No