Task: Explanation
Input (English): Marion Bartoli (] ; born 2 October 1984) is a French former professional tennis player. She won the 2013 Wimbledon Championships singles title after previously being runner-up in 2007 and was a semifinalist at the 2011 French Open. She also won eight Women's Tennis Association singles titles and three doubles titles. She announced her immediate retirement from professional tennis on 14 August 2013. Question: Who is older, Marion Bartoli or Philipp Petzschner? Answer: Philipp Petzschner
Output (English): Marion Bartoli  ; born 2 October 1984 is a French former professional tennis player.