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

Example Input: Problem: how many of the positive factors of 25 , 15 and how many common factors are there in numbers ? 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5
Example Output: b

Example Input: Problem: ratio between rahul and deepak is 4 : 3 , after 22 years rahul age will be 26 years . what is deepak present age 
Options: a ) 10 , b ) 3 , c ) 5 , d ) 7 , e ) 8
Example Output: b

Example Input: Problem: how many of the positive factors of 25 , 15 and how many common factors are there in numbers ? 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5
Example Output:
b