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:
I want a reservation for Hisui in Vacaville at, say, quarter to 8 in the evening.
answer:
No


question:
I want to reserve a table at 7:45 in the evening, in a restaurant.
answer:
No


question:
Sorry unable to reserve. Shall i book a table in Dynasty restaurant for 2 people on March 12th at 7:30 pm?
answer:

No