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

Ex 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

Ex Output:
b


Ex Input:
Problem: there are 35 kids in a play school . 26 kids play with white color balls and some kids play with yellow color balls and 19 kids play with both color balls . how many kids use yellow color balls ? 
Options: a ) 12 , b ) 32 , c ) 5 , d ) 28 , e ) 35

Ex Output:
d


Ex Input:
Problem: the l . c . m . of two numbers is 30 . the numbers are in the ratio 2 : 3 . then sum of the number is : 
Options: a ) 25 , b ) 32 , c ) 40 , d ) 53 , e ) 54

Ex Output:

a