Task: Question Answering
Input (English): Question: Two trains are moving at 50 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is?

 Option A: 7 1/6 sec

 Option B: 7 3/2 sec

 Option C: 7 1/7 sec

 Option D: 7 1/2 sec

 Option E: 3 3/2 sec
Output (English): Option D