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 difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is?

 Option A: 625

 Option B: 827

 Option C: 657

 Option D: 726

 Option E: 634
Example Output: Option A

Example Input: Question: Find the fourth proportion to 2,4,6

 Option A: 18

 Option B: 12

 Option C: 9

 Option D: 6

 Option E: 8
Example Output: Option B

Example Input: Question: How many minutes does Aditya take to cover a distance of 400 m, if he runs at a speed of 20 km/hr

 Option A: 1 1/5min

 Option B: 2 1/5min

 Option C: 3 1/5min

 Option D: 4 1/5min

 Option E: 5 1/5min
Example Output:
Option A