Utterance: E qui l'a portat, aguest paquet? 
Translation: Who brought this package?
[And who it has brought, this package?]
Situation: You find a package on the table. Ask your son for who brought this package.
Interpretation of the utterance: Neutral Wh-question with a right peripheral element
Informator: M. P. B.
Utterance: E qui l'a portat, aguest paquet?
Translation: Who brought this package?
[And who it has brought, this package?]