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: for how many integer values of n will the value of the expression 4 n + 7 be an integer greater than 1 and less than 120 ? 
Options: a ) 22 , b ) 24 , c ) 26 , d ) 28 , e ) 30
Example Output: e

Example Input: Problem: 25.25 / 2000 is equal to : 
Options: a ) 1.012526 , b ) 0.012625 , c ) 0.12526 , d ) 0.12625 , e ) 0.12725
Example Output: b

Example Input: Problem: if x ^ 2 + ( 1 / x ^ 2 ) = 9 , x ^ 4 + ( 1 / x ^ 4 ) = ? 
Options: a ) 10 , b ) 11 , c ) 12 , d ) 14 , e ) 79
Example Output:
e