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'.

Input: Consider Input: Problem: 54671 - 14456 - 35466 = ? 
Options: a ) 2449 , b ) 5449 , c ) 6749 , d ) 6449 , e ) 4749

Output: e


Input: Consider Input: Problem: a company produces on an average 4000 items per month for the first 3 months . how many items it must produce on an average per month over the next 9 months , to average of 4375 items per month over the whole ? 
Options: a ) 4500 , b ) 4600 , c ) 4680 , d ) 4710 , e ) none

Output: a


Input: Consider Input: Problem: the result when a number subtracted from 150 is the same as the number added to 68 . what is the number ? 
Options: a ) 110 , b ) 100 , c ) 109 , d ) 218 , e ) 210


Output: c