In this task, you need to provide the correct option for a given problem from the provided options.

Input: Consider Input: Problem: the number of stamps that p and q had were in the ratio of 7 : 4 respectively . after p gave q 8 stamps , the ratio of the number of p ' s stamps to the number of q ' s stamps was 6 : 5 . as a result of the gift , p had how many more stamps than q ? 
Options: a ) 4 , b ) 8 , c ) 12 , d ) 16 , e ) 20

Output: b


Input: Consider Input: Problem: what is the square root of 261,121 ? 
Options: a ) 476 , b ) 489 , c ) 497 , d ) 511 , e ) 524

Output: d


Input: Consider Input: Problem: if ( log 5 5 ) ( log 4 9 ) ( log 3 2 ) is equal to 
Options: a ) 1 , b ) 3 / 2 , c ) 2 , d ) 5 , e ) 7


Output: a