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 total of the ages of Amar, Akbar and Anthony is 30 years. What was the total of their ages three years ago ?

 Option A: 20 years

 Option B: 28 years

 Option C: 71 years

 Option D: 21 years

 Option E: 31 years
Example Output: Option D

Example Input: Question: If 6 (A's capital) = 8 (B's capital) = 18 (C's capital). Then the ratio of their capitals is?

 Option A: 12:15:16

 Option B: 12:15:4

 Option C: 12:9:4

 Option D: 20:15:11

 Option E: 20:15:19
Example Output: Option C

Example Input: Question: The owner of a furniture shop charges his customer 15% more than the cost price. If a customer paid Rs. 5750 for a computer table, then what was the cost price of the computer table?

 Option A: 2299

 Option B: 2699

 Option C: 2670

 Option D: 6725

 Option E: 5000
Example Output:
Option E