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: A lady bought five books namely A,B,C,D,E to distribute her 7 friends. How many ways she can distribute books?

 Option A: 7^3

 Option B: 7^4

 Option C: 7^5

 Option D: 7^6

 Option E: 7^2

Ex Output:
Option C


Ex Input:
Question: What is the area of an equilateral triangle whose one side length is 80?

 Option A: 800√3

 Option B: 1000√3

 Option C: 1200√3

 Option D: 1400√3

 Option E: 1600√3

Ex Output:
Option E


Ex Input:
Question: If b = 4p, where p is a prime number greater than 2, how many different positive even divisors does b have, including b ?

 Option A:  Two

 Option B:  Three

 Option C:  Four

 Option D:  Six

 Option E:  Eight

Ex Output:

Option C