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: uh-ch! Sorry the system crashed and I couldn't make your reservation. Do you need any other details?

Answer: No


Question: Is thee a city or restaurant you prefer?

Answer: Yes


Question: I've made your reservation. The street address is 109 North McDowell Boulevard. That's a Thai restaurant.

Answer:
No