Task: Question Answering
Input (English): Problem: m is 30 % of q . q is 20 % of p . n is 50 % of p . find m : n ratio 
Options: a ) 1 : 25 , b ) 2 : 25 , c ) 3 : 25 , d ) 4 : 25 , e ) 5 : 25
Output (English): c