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: If 375*s is a perfect square then s can be which of the following numbers?

 Option A: 21

 Option B: 35

 Option C: 54

 Option D: 15

 Option E: 150
Example Output: Option D

Example Input: Question: If the ratio of boys to girls in a class is B and the ratio of girls to boys is G; then 5 (B + G) is ?

 Option A: Equal to 3

 Option B: Less than 5

 Option C: More than 5

 Option D: Less than 1/5

 Option E: none of these
Example Output: Option A

Example Input: Question: Three persons invested Rs.9000 in a joint business. The second person invested Rs.1000 more than the first and the third Rs.1000 more than second. After two years, they gained Rs.5400. How much third person will get?

 Option A: 2400

 Option B: 2408

 Option C: 2487

 Option D: 2429

 Option E: 2123
Example Output:
Option A