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 river 5m deep and 19 m wide is flowing at the rate of 4 kmph the amount of water that runs into the sea per minute is?

 Option A: 4500

 Option B: 6333

 Option C: 6576

 Option D: 6345

 Option E: 2882
Example Output: Option B

Example Input: Question: A coin is tossed two times. What is the probability that there is at the least one tail?

 Option A: 3/4

 Option B: 31/37

 Option C: 31/18

 Option D: 31/10

 Option E: 31/19
Example Output: Option A

Example Input: Question: John professes to sell his goods at the cost price but he made use of 800 grams instead of a kg, what is the gain percent?

 Option A: 12 1/3%

 Option B: 12 1/4%

 Option C: 12 2/3%

 Option D: 12 2/1%

 Option E: 12 1/2%
Example Output:
Option E