Task: Explanation
Input (English): Philipp Petzschner (born 24 March 1984) is a professional German tennis player. He is known for his hard-hitting forehand and bursts of speed around the court. His career-high doubles ranking is world no. 9, which he achieved in April 2011. Question: Who is older, Marion Bartoli or Philipp Petzschner? Answer: Philipp Petzschner
Output (English): Philipp Petzschner born 24 March 1984 is a professional German tennis player.