Task: Question Answering
Input (English): Problem: a car travels a certain distance taking 7 hrs in forward journey , during the return journey increased speed 12 km / hr takes the times 5 hrs . what is the distance traveled 
Options: a ) 210 kms , b ) 30 kms , c ) 20 kms , d ) 40 kms , e ) none of these
Output (English): a