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: 6:15 in the evening at Bistro liaison.

SOLUTION: No

PROBLEM: Yes, that's it. What is the street address for Lemongrass? Also, what type of food is on their menu?

SOLUTION: Yes

PROBLEM: Please give confirmation details: Booking a table at Oneup at 4:45 pm in the city of San Francisco next Thursday and the reservation will be for 2 people

SOLUTION:
No