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.

Ex 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

Ex Output:
Option A


Ex Input:
Question: If x, y, and z are positive integers such that x is a factor of y and y is a factor of z, which of the following is NOT necessarily an integer?

 Option A: (x + y

 Option B: (y + z

 Option C: yz/x

 Option D: (2y + 3z

 Option E: (xy + z

Ex Output:
Option A


Ex Input:
Question: If the average of ten numbers is 40, then which of the following could be the standard deviation of the ten numbers?
I. 0
II. 10
III. 40

 Option A: I

 Option B: II

 Option C: all three options

 Option D: III

 Option E: I&II

Ex Output:

Option C