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: the product of a and b is equal to 12 more than twice the sum of a and b . if b = 10 , what is the value of b - a ? 
Options: a ) 2 , b ) 5 , c ) 7 , d ) 6 , e ) 35

Output: d


Input: Consider Input: Problem: the average of 5 numbers is 27 . if one number is excluded the average become 25 . the excluded number is : 
Options: a ) 25 , b ) 27 , c ) 30 , d ) 35 , e ) 37

Output: d


Input: Consider Input: Problem: the sum of present age of abe and the age before 7 years is 27 . find the present age of abe . what will be his age after 7 years ? 
Options: a ) 25 , b ) 24 , c ) 27 , d ) 28 , e ) 29


Output: b