Task: Question Answering
Input (English): Problem: a thief is spotted by a policeman from a distance of 160 meters . when the policeman starts the chase , the thief also starts running . if the speed of the thief be 8 km / hr and that of the policeman 10 km / hr , how far the thief will have run before he is overtaken ? 
Options: a ) 350 m , b ) 240 m , c ) 440 m , d ) 640 m , e ) none of them
Output (English): d