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]: Ok ,That's great. I need to know its director? who is he?
[EX A]: Yes

[EX Q]: The time is 13:30 and the city is Alameda. I prefer Applebee's; they have great food.
[EX A]: No

[EX Q]: Yeah, sure, where am I looking?
[EX A]:
Yes