In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Example Input: Problem: √ ( 36 ) ^ 2 
Options: a ) 6 , b ) 14 , c ) 36 , d ) 21 , e ) none of these
Example Output: c

Example Input: Problem: ( 112 x 5 ^ 4 ) = ? 
Options: a ) 70000 , b ) 80000 , c ) 90000 , d ) 90090 , e ) 100000
Example Output: a

Example Input: Problem: find the average of all prime numbers between 1 and 5 . 
Options: a ) 30 , b ) 3.6 , c ) 5.6 , d ) 6.6 , e ) none
Example Output:
c