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: What else can I assist?
Example Output: Yes

Example Input: Your booking is successful.Price is moderate.
Example Output: No

Example Input: Please confirm the following booking: reservation at 7 pm on March 9th for 2 at State Bird Provisions San Francisco
Example Output:
No