Definition: 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: Problem: the average of 5 quantities is 8 . the average of 3 of them is 4 . what is the average of remaining 2 numbers ? 
Options: a ) 14 , b ) 10 , c ) 8 , d ) 9.5 , e ) none of these
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
a