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 women purchased 3 towels @ Rs.100 each, 5 towels @ Rs.150 each and two towels at a certain rate which is now slipped off from his memory. But she remembers that the average price of the towels was Rs.145. Find the unknown rate of two towels?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E
Example Output: Option A

Example Input: Question: The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?

 Option A: 12

 Option B: 15

 Option C: 14

 Option D: 18

 Option E: 19
Example Output: Option C

Example Input: Question: What percent is 120 of 90?

 Option A: 133 1/3 %

 Option B: 132 1/3%

 Option C: 132 2/3%

 Option D: 132 2/5%

 Option E: 131 1/5%
Example Output:
Option A