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

Output: Yes


Input: Consider Input: Let me double check. This is a reservation for a table at Amami Sushi in San Bruno at 5:30 pm tomorrow for 2 people.

Output: No


Input: Consider Input: Do they serve alcohol? what is their phone number?


Output: Yes