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: If x persons take y days to complete z similar jobs, how long does it take y persons to complete 1 such job?

 Option A: z

 Option B: x

 Option C: x/y

 Option D: z/x

 Option E: x/z
Example Output: Option E

Example Input: Question: What number times (1⁄5)^2 will give the value of 5^3?

 Option A: 5

 Option B: 25

 Option C: 125

 Option D: 625

 Option E: 3125
Example Output: Option E

Example Input: Question: A person travels equal distances with speeds of 3 km/hr, 4 km/hr and 5 km/hr and takes a total time of 47 minutes. The total distance is?

 Option A: 6 km

 Option B: 3 km

 Option C: 7 km

 Option D: 9 km

 Option E: 2 km
Example Output:
Option B