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 train running at the speed of 60 km/hr crosses a pole in 21 seconds. What is the length of the train?

Option A: 350 m

Option B: 278 m

Option C: 876 m

Option D: 150 m

Option E: 267 m
Example Output: Option A

Example Input: Question: Marge has 3 pumps for filling her swimming pool. When all 3 pumps work at their maximum rates, the swimming pool is filled in 66 minutes. Pump 1's maximum rate is twice the maximum rate of pump 2 and four times the maximum rate of pump 3. How long would it take Marge to fill the pool if she used only pump 3 at its maximum rate ?

Option A: 2hrs, 48mins

Option B: 6hrs, 32mins

Option C: 7hrs, 12mins

Option D: 13hrs, 4mins

Option E: 7hrs, 42mins
Example Output: Option E

Example Input: Question: A corporation four time of its annual bonus to 35 of its employees. What percent of the employees' new bonus is the increase?

Option A: 5%

Option B: 12%

Option C: 25%

Option D: 75%

Option E: 63%
Example Output:
Option D