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.

Ex Input:
Can I help you with anything else?

Ex Output:
Yes


Ex Input:
Please confirm the following booking: reservation at 7 pm on March 9th for 2 at State Bird Provisions San Francisco

Ex Output:
No


Ex Input:
Is liquor served there?

Ex Output:
Yes