Task: Translation
Input (English): This may be because he left his work at Westminster Abbey and started working at the collegiate chapel of St Stephen 's , Westminster ( or to give it its full title , the Royal Free Chapel of the Blessed Virgin Mary and St Stephen the Protomartyr ) .
Output (French): Cela peut-être parce qu' il a quitté son emploi à l' Abbaye de Westminster et a commencé à travailler à la chapelle collégiale de St-Etienne , Westminster ( ou pour lui donner son titre complet , " the Royal Free Chapel of the Blessed Virgin Mary and St Stephen the Protomartyr " ) .