Task: Question Answering
Input (English): Question: In the xy-plane, the line y = k is the perpendicular bisector of the line segment PQ and the line x = f is the perpendicular bisector of the line segment RQ. If the coordinates of the point R are (-f, -k), then what are the coordinates of the point P?

 Option A: (-5f, -5k

 Option B: (-3f, -3k

 Option C: (2f, 2k

 Option D: (3f, 3k

 Option E: (5f, 5k
Output (English): Option D