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 that works. Can I have the address? Also how expensive are they?
Example Output: Yes

Example Input: Please confirm the following details: booking a table at La Panotiq Bakery Cafe livermore. the city is livermore at 12 pm,, reservation for 2 people today.
Example Output: No

Example Input: i want to booking a restaurant for 2 people
Example Output:
No