Task: Question Answering
Input (English): Question: Two trains 250 m and 500 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time which they take to cross each other is?

 Option A: 10.6

 Option B: 10.9

 Option C: 10.4

 Option D: 27

 Option E: 10.1
Output (English): Option D