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

Ex Input:
Problem: in a certain pet shop , the ratio of dogs to cats to bunnies in stock is 3 : 7 : 12 . if the shop carries 375 dogs and bunnies total in stock , how many dogs are there ? 
Options: a ) 42 , b ) 66 , c ) 75 , d ) 112 , e ) 154

Ex Output:
c


Ex Input:
Problem: on multiplying a number f by 153 , the result obtained was 102325 . however , it is found that both the 2 ' s are wrong . find the correct result . 
Options: a ) 104345 , b ) 107375 , c ) 108385 , d ) 109395 , e ) 105355

Ex Output:
d


Ex Input:
Problem: the ratio of pens to pencils is 5 to 6 . there are 4 more pencils than pens . how many pencils are there ? 
Options: a ) 12 , b ) 16 , c ) 20 , d ) 24 , e ) 28

Ex Output:

d