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: No,it s ok.Thnak you!
Example Output: No

Example Input: I'd like my reservation to be in San Jose, and at morning 11.
Example Output: No

Example Input: I'm thinking 5:15 pm.
Example Output:
No