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:
Yes, thank you. How's the pricing? Low priced?

Ex Output:
Yes


Ex Input:
I need a restaurant reservation

Ex Output:
No


Ex Input:
I'd prefer to eat at the 3rd Cousin, and the reservation will need to be for four people.

Ex Output:
No