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:
Yea, that sounds great. Is Dana's expensive?

Ex Output:
Yes


Ex Input:
I want the restaurant to be Kobe for Saturday this week at afternoon 1:30.

Ex Output:
No


Ex Input:
What time did you want the reservation for?

Ex Output:

Yes