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 are you looking for? And what time?

Ex Output:
Yes


Ex Input:
Do you prefer any city and what should be the menu?

Ex Output:
Yes


Ex Input:
Yes is perfect.You can tell me please what type of food is available and if they have live music?

Ex Output:
Yes