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: No, actually I want the reservation at Celia's in SFO.
Example Output: No

Example Input: Where is it located? Does it cost a lot?
Example Output: Yes

Example Input: What day and time will you be dining out?
Example Output:
Yes