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.
--------
Question: Do you have a preference for type of food? You can say Indian, American, Italian, or something else.

Answer: Yes


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

Answer: No


Question: I was unable to make the reservation for 2 guests today at 5 pm. Would you like me to try 5:30 pm? The contact number for Sociale is 415-921-3200.

Answer:
No