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.

Input: Consider Input: Question: If 12 men do a work in 80 days, in how many days will 16 men do it?

 Option A: 17 days

 Option B: 19 days

 Option C: 15 days

 Option D: 60 days

 Option E: 14 days

Output: Option D


Input: Consider Input: Question: The product of the prime integers between 23 and 35, inclusive, is:

 Option A: 50! – 40!

 Option B: 99,029

 Option C: 2,303

 Option D: 22,011

 Option E: 2,000

Output: Option D


Input: Consider Input: Question: The current birth rate per thousand is 32, whereas corresponding death rate is 11 per thousand. The net growth rate in terms of population increase in percent is given by

 Option A: 0.0021%

 Option B: 0.021%

 Option C: 2.1%

 Option D: 21%

 Option E: None


Output: Option C