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.

Example Input: Please confirm the following details so I am not mistaken: you would like a reservation for 2 people at 7:30 pm?
Example Output: No

Example Input: No, make it for two people.
Example Output: No

Example Input: Which movie?
Example Output:
Yes