instruction:
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:
No that's ok
answer:
No


question:
Are you looking for any kind of cuisine? Chinese? Maybe American?
answer:
Yes


question:
Sure, where are you eating? Is there a preferred restaurant? And what time shall we book for?
answer:

Yes