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:
Could I assist you with something else?

Ex Output:
Yes

Ex Input:
Yes, that is great. Can you give me the restaurant address.

Ex Output:
Yes

Ex Input:
Do you prefer any special kind of food like Indian, Chinese or any other food?

Ex Output:
Yes