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: I was unable to make that reservation. Can I help with anything else?
Example Output: No

Example Input: I would like to take my wife to dinner at her favorite restaurant, Allegro Romano.
Example Output: No

Example Input: The director of the movie is Dean DeBlois.
Example Output:
No