Task: Explanation
Input (English): Ronald Walter "Wally" Wallens, DFC (1 February 1916 – 13 November 1995) was a Royal Air Force officer, who flew during the Battle of Britain and as such is one of "The Few". Question: Which world war did Ronald Wallens participate in? Answer: the Second World War
Output (English): Ronald Walter Wally Wallens, DFC 1 February 1916 – 13 November 1995 was a Royal Air Force officer, who flew during the Battle of Britain and as such is one of The Few.