Task: Question Answering
Input (English): Problem: a train 150 m long passes a man , running at 5 km / hr in the same direction in which the train is going , in 10 seconds . the speed of the train is ? 
Options: a ) 13 km / hr , b ) 59 km / hr , c ) 17 km / hr , d ) 18 km / hr , e ) 12 km / hr
Output (English): b