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 Q]: Which city should I search in? What kind of food are you looking for?
[EX A]: Yes

[EX Q]: Make the reservation in San Francisco for 7 in the evening on Wednesday next week.
[EX A]: No

[EX Q]: I'm so sorry! I couldn't reserve that table either. Can I continue to try to help?
[EX A]:
No