Situation: At two o'clock in the morning, you are asleep in your bed, and you hear someone knocking at the door. Ask yourself who the hell it could be at that early hour.

Interpretation of the utterance: Dubitative Wh-question

Informator: F. B.

Utterance: Mès qui pòt èster aquò an aquesta ora?

Translation: But who can it be at this time?
[But who can be this at this time?]