Task: Question Answering
Input (English): Problem: an article is bought for rs . 600 and sold for rs . 900 , find the gain percent ? 
Options: a ) 33 1 / 7 % , b ) 33 1 / 6 % , c ) 50 % , d ) 38 1 / 3 % , e ) 33 2 / 3 %
Output (English): c