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

Example Input: Problem: the h . c . f . of two numbers is 23 and the other two factors of their l . c . m . are 13 and 15 . the larger of the two numbers is :
Options: a ) 276 , b ) 299 , c ) 322 , d ) 345 , e ) 354
Example Output: d

Example Input: Problem: on a certain farm the ratio of horses to cows is 5 : 1 . if the farm were to sell 15 horses and buy 15 cows , the ratio of horses to cows would then be 17 : 7 . after the transaction , how many more horses than cows would the farm own ?
Options: a ) 30 , b ) 40 , c ) 50 , d ) 60 , e ) 70
Example Output: c

Example Input: Problem: nitin ranks 24 th in a class of 58 students . what is rank from the last ?
Options: a ) 33 , b ) 34 , c ) 32 , d ) 28 , e ) 19
Example Output:
b