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: Sounds good to me.

SOLUTION: No

PROBLEM: Oh. No, I want us to see a movie with subtitles tonight. I'm thinking The Curse of La Llorona movie might be a good choice if it has subtitles.

SOLUTION: No

PROBLEM: Can you specify the time of your reservation?Which restaurant would you prefer?

SOLUTION:
Yes