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: Can't get a rez. Taco Bell has Burrito type of food. It's inexpensive. Should I give them a shot for 6:30 pm today, table for 2.

SOLUTION: No

PROBLEM: Yes, sounds good!

SOLUTION: No

PROBLEM: What city should I look in?

SOLUTION:
Yes