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:
Yes, try to make it for 18:30.
answer:
No


question:
I was thinking about going to the restaurant, can you help me with the reservation process?
answer:
No


question:
What time would work?
answer:

Yes