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: Sure, which city?
Example Output: Yes

Example Input: Okay. I will change the restaurant to El Amigo Burrito in Santa Clara. Does this work
Example Output: No

Example Input: No. The restaurant is now Wooden Charcoal Barbecue on March 9th.
Example Output:
No