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

Ex Output:
Yes


Ex Input:
please tell me what time is the reservation for?

Ex Output:
Yes


Ex Input:
Make a reservation at the restaurant Navin.

Ex Output:

No