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: Sorry but there is no availability for 4:30 pm at Mazzat in San Francisco today. Is there anything else I could assist you with?
Example Output: No

Example Input: What city would you like for me to look in?
Example Output: Yes

Example Input: Can you tell me the phone number?
Example Output:
Yes