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: Yes, That's it.May I know the price ?

Output: Yes


Input: Consider Input: Confirm me all the info. You want me to reserve a table at Nick's Cove for 2 people in Marshall. I'll make the reservation for today at 7:30 pm.

Output: No


Input: Consider Input: Yes, Thats great. Who is the director?


Output: Yes