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:
Please confirm the following details: a reservation for 2 people at Applebee's Grill + Bar, today, at 1:30 pm, in Alameda.

Ex Output:
No


Ex Input:
Any preferred restaurant?

Ex Output:
Yes


Ex Input:
Does this restaurant serve Tacos?

Ex Output:
Yes