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: Which Taco Bell?
Example Output: Yes

Example Input: What type of cuisine do you want? Mexican, Chinese or which one?
Example Output: Yes

Example Input: Your reservation has been accepted. They serve Seafood and their price range is quite moderate.
Example Output:
No