TASK DEFINITION: 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.
PROBLEM: Please suggest other restaurants.

SOLUTION: Yes

PROBLEM: 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

SOLUTION: No

PROBLEM: In which city and at what time would you like to dine? Do you have any preferred restaurants?

SOLUTION:
Yes