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 want it in SF on the 2nd of this month at half past 11 in the morning. The restaurant I want is Pampalasa
Example Output: No

Example Input: Do they serve liquor? What is the address of the restaurant.
Example Output: Yes

Example Input: Unfortunately, I could not make the reservation. How else can I help?
Example Output:
No