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: the distance from the x - axis to point p is half the distance from the y - axis to point p . if the coordinates of p are ( x , - 4 ) , how many units is p from the y - axis ? 
Options: a ) 2 , b ) 4 , c ) 8 , d ) 10 , e ) 12
Example Output: c

Example Input: Problem: if x is real , find the maximum value of the expression - 2 x ^ 2 + 5 x + 7 . 
Options: a ) 6.125 , b ) 8.125 , c ) 10.125 , d ) 12.125 , e ) 14.125
Example Output: c

Example Input: Problem: 11 + 12 + 13 + . . . 51 + 52 + 53 = ? 
Options: a ) 1361 , b ) 1376 , c ) 1363 , d ) 1364 , e ) 1365
Example Output:
b