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:
Please tell me what type of food you are looking for just say Mexican, Chinese or anything else. Also what city would you like me to search int.

Ex Output:
Yes


Ex Input:
To confirm, you want a reservation for Celia's By The Beach in San Francisco.

Ex Output:
No


Ex Input:
Yes, sounds great. Do they serve liquor at the restaurant?

Ex Output:

Yes