Task: Sentence Expansion
Input (English): He is well known as a judge on television programmes " Pop Idol " , " The X Factor " , " American Idol " and " Britain 's Got Talent " .
Output (English): He has judged on the British TV talent competition series " Pop Idol " , " The X Factor " and " Britain 's Got Talent " , and the American TV talent competition shows " American Idol " , " The X Factor " and " America 's Got Talent " .