Task: Question Answering
Input (English): Problem: how many seconds will a 650 m long train take to cross a man walking with a speed of 3 km / hr in the direction of the moving train if the speed of the train is 48 km / hr ? 
Options: a ) 25 , b ) 45 , c ) 54 , d ) 44 , e ) 48
Output (English): c