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]: My pleasure. Can I be of further assistance?
[EX A]: Yes

[EX Q]: Are there any other nice restaurants in the area?
[EX A]: Yes

[EX Q]: How expensive is their menu?
[EX A]:
Yes