Task: Question Answering
Input (English): Question: Two trains of length 100 m and 300 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 54 kmph and 72 kmph. In how much time will the trains cross each other?

 Option A: 70/7 sec

 Option B: 80/7 sec

 Option C: 40/7 sec

 Option D: 100/7 sec

 Option E: 90/7 sec
Output (English): Option D