Task: Explanation
Input (English): Dermot Murnaghan (born 26 December 1957) is a British broadcaster. A presenter for Sky News, he was a news presenter at CNBC Europe, Independent Television News and BBC News. He has presented news programmes in a variety of time slots since joining Sky News in 2007. Question: Who is the male presenter on Sky News Tonight, who has also presented for Sky News? Answer: Dermot Murnaghan
Output (English):  A presenter for Sky News, he was a news presenter at CNBC Europe, Independent Television News and BBC News.