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.

Input: Consider Input: It's a restaurant called Yum Yum, and it's for six pm.

Output: No


Input: Consider Input: Shall i help you with anything else?

Output: Yes


Input: Consider Input: No, Thank you for your help.
Output: No