Task: Question Answering
Input (English): Problem: how many seconds will a 770 m long train take to cross a man walking with a speed of 2.5 km / hr in the direction of the moving train if the speed of the train is 46.5 km / hr ? 
Options: a ) 63 , b ) 88 , c ) 66 , d ) 44 , e ) 35
Output (English): a