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: please tell me what time is the reservation for?

Output: Yes


Input: Consider Input: Can't get a rez. Taco Bell has Burrito type of food. It's inexpensive. Should I give them a shot for 6:30 pm today, table for 2.

Output: No


Input: Consider Input: Yes perfect.


Output: No