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 they serve liquor there?

Ex Output:
Yes

Ex Input:
In which city do I need to make the reservation

Ex Output:
Yes

Ex Input:
What type of food do you feel like eating? Do you want Mexican food, Indian food, or something else? Also, what city would you like to eat in?

Ex Output:
Yes