Task: Question Answering
Input (English): Question: Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is?

 Option A: 48 sec

 Option B: 77

 Option C: 55

 Option D: 27

 Option E: 21
Output (English): Option A