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: Yes perfect.
Example Output: No

Example Input: Reservation for 2 people today at 7:45 pm in city Vacaville at Red Jade is that correct?
Example Output: No

Example Input: Oh and can you make it The Van's in Belmont?
Example Output:
No