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:
I want a reservation for Hisui in Vacaville at, say, quarter to 8 in the evening.

Ex Output:
No


Ex Input:
are you sure. do you want booking a table at village california bistro and wine bar in san jose on today at 11:30 am for 2 people

Ex Output:
No


Ex Input:
Yes. What's their phone number?

Ex Output:
Yes