Task: Question Answering
Input (English): Problem: an amount of money is to be divided between p , q and r in the ratio of 3 : 7 : 12 . if the difference between the shares of p and q is rs . 2800 , what will be the difference between q and r ' s share ? 
Options: a ) 2788 , b ) 3500 , c ) 7282 , d ) 2782 , e ) 2729
Output (English): b