Task: Question Answering
Input (English): Problem: how many seconds will a 600 m long train take to cross a man walking with a speed of 2 km / hr in the direction of the moving train if the speed of the train is 56 km / hr ? 
Options: a ) 30 , b ) 54 , c ) 40 , d ) 36 , e ) 31
Output (English): c