Task: Question Answering
Input (English): Problem: how many minutes does aditya take to cover a distance of 400 m , if he runs at a speed of 20 km / hr ? 
Options: a ) 1 1 / 5 min , b ) 4 1 / 5 min , c ) 3 1 / 5 min , d ) 2 1 / 5 min , e ) none of these
Output (English): a