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: 5, 10, 13, 26, 29, 58, 61, (....)

 Option A: 122

 Option B: 125

 Option C: 128

 Option D: 64

 Option E: 130
Example Output: Option A

Example Input: Question: Rs.8000 become Rs.11256 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?

 Option A: 6 YEARS

 Option B: 7

 Option C: 5

 Option D: 3

 Option E: 4
Example Output: Option B

Example Input: Question: A vendor buys 10 t-shirts at an average price of $14 per t-shirt. He then buys 15 more t-shirts at an average price of $11 per t-shirt. What is the average price V per t-shirt that the vendor paid for these purchases?

 Option A: $12.20

 Option B: $12.50

 Option C: $12.55

 Option D: $12.70

 Option E: $13.00
Example Output:
Option A