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.

Ex Input:
Question: If the number 5 * 2 is divisible by 6, then * = ?

 Option A: 2

 Option B: 5

 Option C: 3

 Option D: 1

 Option E: 6

Ex Output:
Option A


Ex Input:
Question: A box contains 9 pairs of shoes (18 shoes in total). If two shoes are selected at random, what it is the probability that they are matching shoes?

 Option A: 1/190

 Option B: 1/17

 Option C: 1/19

 Option D: 1/10

 Option E: 1/9

Ex Output:
Option B


Ex Input:
Question: This year, MBB Consulting fired 6% of its employees and left remaining employee salaries unchanged. Sally, a first-year post-MBA consultant, noticed that that the average (arithmetic mean) of employee salaries at MBB was 10% more after the employee headcount reduction than before. The total salary pool allocated to employees after headcount reduction is what percent of that before the headcount reduction?

 Option A: 98.5%

 Option B: 100.0%

 Option C: 102.8%

 Option D: 103.4%

 Option E: 105.0%

Ex Output:

Option D