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: Pipe A can fill a tank in 16 minutes and pipe B cam empty it in 24 minutes. If both the pipes are opened together after how many minutes should pipe B be closed, so that the tank is filled in 30 minutes?

 Option A: 20

 Option B: 16

 Option C: 24

 Option D: 28

 Option E: 21

Ex Output:
Option E


Ex Input:
Question: Mr. Kramer, the losing candidate in a two-candidate election, received 942,568 votes, which was exactly 35 percent of all votes cast. Approximately what percent of the remaining votes would he need to have received in order to have won at least 50 percent of all the votes cast?

 Option A: 10%

 Option B: 12%

 Option C: 15%

 Option D: 17%

 Option E: 23%

Ex Output:
Option E


Ex Input:
Question: Find the number of factors T of 180 that are in the form (4*k + 2), where k is a non-negative integer?

 Option A: 1

 Option B: 2

 Option C: 3

 Option D: 4

 Option E: T=6

Ex Output:

Option E