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: of the 100 people in a room , 2 / 5 are women . if 1 / 4 of the people are married , what is the maximum number of women in the room who could be unmarried ? 
Options: a ) 32 , b ) 34 , c ) 36 , d ) 38 , e ) 40
Example Output: e

Example Input: Problem: what should be the least number to be added to the 3198 number to make it divisible by 8 ? 
Options: a ) 12 , b ) 17 , c ) 2 , d ) 77 , e ) 26
Example Output: c

Example Input: Problem: when 1 / 10 percent of 7,000 is subtracted from 1 / 10 of 7,000 , the difference is 
Options: a ) 0 , b ) 50 , c ) 450 , d ) 693 , e ) 500
Example Output:
d