Situation: You have asked someone for the time, but don't quite understand his answer. You think he said that it was one o'clock, but you are not sure. Ask him/her again if it is one o'clock.

Interpretation of the utterance: Reiterative yes-no question

Informator: A. D.

Utterance: Quo es una ora?

Translation: It is one o'clock, isn't it?
[That's one hour?]