Task: Question Answering
Input (English): Question: a train length 100 m going with speed 10m/sec another train 150m long going with speed 15m/sec.the distance between two train is 50m.then how much time second train will take to cross the first train?

 Option A: 60sec

 Option B: 40sec

 Option C: 30sec

 Option D: 45sec

 Option E: 1min10sec
Output (English): Option A