You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

Example Input: Question: The ratio of a to b to c is 2 to 3 to 4, and a, b, c are positive integers. If the average (arithmetic mean) of the three numbers is 36, what is the value of a?

 Option A: 21

 Option B: 24

 Option C: 25

 Option D: 27

 Option E: 30
Example Output: Option B

Example Input: Question: There are 36 students in a certain geometry class. If one third of the students are boys and one fourth of the boys are under six feet tall, how many boys in the class are under six feet tall?

 Option A: 3

 Option B: 12

 Option C: 18

 Option D: 24

 Option E: 27
Example Output: Option A

Example Input: Question: Find out the wrong term.
2, 5, 10, 50, 500, 5000

 Option A: 5

 Option B: 10

 Option C: 50

 Option D: 5000

 Option E: 500
Example Output:
Option D