 
 <prompt> Dem first duty na Mass, but wetin be di clothing of a cardinal? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Wen dem no dey celebrate Mass but still dey serve liturgical function, like di semiannual Urbi et Orbi papal blessing, some Papal Masses and some events for Ecumenical Councils, cardinal deacons fit dey recognized by di dalmatics wey dem go wear with di simple white mitre (wey dem dey call mitra simplex). 