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 have a preferred location?
[EX A]: Yes

[EX Q]: Yes, that works for me. Do they play live music? Is the price range lavish?
[EX A]: Yes

[EX Q]: sorry I could not make a reservation at that time. They are a French Restuarant. Shall I try to book a reservation for 2 today at 6 pm at Bistro Liaison?
[EX A]:
No