Task: Question Answering
Input (English): Problem: a and b start from house at 10 am . they travel on the mg road at 20 kmph and 40 kmph . there is a junction t on their path . a turns left at t junction at 12 : 00 noon , b reaches t earlier , and turns right . both of them continue to travel till 2 pm . what is the distance between a and b at 2 pm 
Options: a ) 160 km , b ) 170 km , c ) 180 km , d ) 190 km , e ) 150 km
Output (English): a