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:
Anything else I can do for you?
answer:
Yes

question:
please tell me what time is the reservation for?
answer:
Yes

question:
Actually, I need some more time to prepare. I instead want it in SFO on the 14th of this month.
answer:
No