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.

Q: Yes perfect.

A: No
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Q: No, with subtitles. Actually, I'd like to watch Gloria Bell instead.

A: No
****
Q: Please confirm the following details: Booking a table at Villa D'este. The reservation is at 4:30 pm.

A:
No
****