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.

What time is it for? Do you have a preferred restaurant?
Yes

Is thee a city or restaurant you prefer?
Yes

Sorry, the reservation was not successful. They serve Mediterranean cuisine and their address is 4068 18th Street. Should I try to book a table for 2 at Lark, at 5:30 pm, today?
No