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:
What time did you want the reservation for?

Ex Output:
Yes


Ex Input:
What time do you want to dine? What city are you in, perhaps you have a preferred restaurant?

Ex Output:
Yes


Ex Input:
Okay! To confirm, the reservation is for a party of 2 at Bj's Restaurant & Brewhouse in San Jose. It will be at 7:30 pm today. Is this correct?

Ex Output:
No