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: A board of length L feet is cut into two pieces such that the length of piece A is 4 feet less than three times the length of piece B. Which of the following is the length, in feet, of piece A?

 Option A: (L+4

 Option B: (L-4

 Option C: (3L-4

 Option D: (3L-1

 Option E: (3L+4
Example Output: Option C

Example Input: Question: If 0.5 : x :: 5 : 8, then x is equal to:

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E
Example Output: Option E

Example Input: Question: A can do a work in 12days. When he had worked for 3days, B joinedhim. If they complete the work in 3more days, in how manydays can Balone finish the work?

 Option A: 2 days

 Option B: 4 days

 Option C: 5 days

 Option D: 6 days

 Option E: 9 days
Example Output:
Option D