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: To confirm: I'm booking a reservation for 2 people at Jing-Jing Szechwan & Hunan Gourmet in Palo Alto next Friday at 12:15 pm.

Output: No


Input: Consider Input: Okay. To confirm: I'm booking the reservation for Jing-jing Szechwan & Hunan Gourmet for 1 person.

Output: No


Input: Consider Input: At what time?


Output: Yes