Task: Question Answering
Input (English): Question: A passenger sitting near the window in a train moving at 50 km/h, noticed that it took 3 sec. for the oncoming train to pass by. What was the speed of the oncoming train if the length of the oncoming train was 75 metres?

 Option A: a

 Option B: b

 Option C: c

 Option D: d

 Option E: e
Output (English): Option E