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

Ex Input:
Problem: the h . c . f . of two numbers is 20 and the other two factors of their l . c . m . are 11 and 15 . the larger of the two numbers is : 
Options: a ) 276 , b ) 300 , c ) 299 , d ) 322 , e ) 345

Ex Output:
b


Ex Input:
Problem: find the fraction which has the same ratio to 2 / 13 that 5 / 34 has to 7 / 48 ? 
Options: a ) 240 / 1576 , b ) 240 / 1542 , c ) 240 / 1547 , d ) 240 / 1528 , e ) 240 / 1529

Ex Output:
c


Ex Input:
Problem: how many factors does 25 ^ 2 have ? 
Options: a ) 2 , b ) 8 , c ) 24 , d ) 25 , e ) 26

Ex Output:

b