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]: Are there any others?
[EX A]: Yes

[EX Q]: Please confirm change to 1:15 pm for 1.
[EX A]: No

[EX Q]: yes that's fine
[EX A]:
No