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: Perfect, that's all for now.
Example Output: No

Example Input: I would like to have a reservation made for 11:30 am today for 2 people at McDonald's restaurant in Berkeley. Can you confirm this?
Example Output: No

Example Input: Sounds great. Do you know if they cook Taiwanese food?
Example Output:
Yes