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 able to reserve your table at Eric's.
Example Output: No

Example Input: Yes, that is right. Do you know of there is live music?
Example Output: Yes

Example Input: Do you need any further assistance from me?
Example Output:
Yes