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: What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?

 Option A: 5%

 Option B: 6%

 Option C: 2%

 Option D: 95%

 Option E: 1%
Example Output: Option A

Example Input: Question: A box contains 9 pairs of shoes (18 shoes in total). If two shoes are selected at random, what it is the probability that they are matching shoes?

 Option A: 1/190

 Option B: 1/17

 Option C: 1/19

 Option D: 1/10

 Option E: 1/9
Example Output: Option B

Example Input: Question: What is the probability R of randomly selecting an arrangement of the letters of the wordMEDITERRANEANin which the first letter is E and the last letter is R?

 Option A: 1/13

 Option B: 1/20

 Option C: 1/26

 Option D: 1/50

 Option E: 1/100
Example Output:
Option C