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]: Do you prefer any special kind of food like Indian, Chinese or any other food?
[EX A]: Yes

[EX Q]: Yeah, I guess that will work.
[EX A]: No

[EX Q]: yes that works for me.
[EX A]:
No