Task: Question Answering
Input (English): Problem: the average monthly income of p and q is rs . 5050 . the average monthly income of q and r is rs . 6250 and the average monthly income of p and r is rs . 5200 . the monthly income of p + q + r is : 
Options: a ) 16100 , b ) 15700 , c ) 17500 , d ) 16000 , e ) 16500
Output (English): e