Task: Question Answering
Input (English): Question: Two trains of equal are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 54 sec. The length of each train is?

 Option A: 50

 Option B: 26

 Option C: 75

 Option D: 28

 Option E: 21
Output (English): Option C