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 you suggest another similar restaurant that serves alcohol?

Ex Output:
Yes


Ex Input:
I can reserve a table for 2 at McDonald's in Fairfield. The time would be today at 6 pm. If that's good for you, shall I confirm it?

Ex Output:
No


Ex Input:
Are there any alternative restaurants?

Ex Output:

Yes