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

Example Input: Problem: if log 2 = 0.3010 and log 3 = 0.4771 , the value of log 5 ( 512 )
Options: a ) 3.876 , b ) 2.967 , c ) 2.87 , d ) 3.912 , e ) 1.9
Example Output: a

Example Input: Problem: 39 ! is divided by 41 . then what is the remainder for this ?
Options: a ) 1 , b ) 3 , c ) 5 , d ) 6 , e ) 7
Example Output: a

Example Input: Problem: what is the prime factors ' number of 36 ?
Options: a ) 2 , b ) 3 , c ) 4 , d ) 5 , e ) 6
Example Output:
c