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: 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
Example Output: Option E

Example Input: Question: Choose the missing terms out of the given alternatives.
QPO, SRQ, UTS, WVU, ?

 Option A: XVZ

 Option B: ESD

 Option C: ZYA

 Option D: VWX

 Option E: YXW
Example Output: Option E

Example Input: Question: In a division sum, the remainder is 6 and the divisor is 5 times the quotient and is obtained by adding 2 to the thrice of the remainder. The dividend is:

 Option A: 86

 Option B: 88

 Option C: 92

 Option D: 94

 Option E: 96
Example Output:
Option A