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: .002/?= .01

 Option A: .2

 Option B: .09

 Option C: .009

 Option D: .0009

 Option E: None of them

Output: Option A


Input: Consider Input: Question: What sum of money will produce Rs.70 as simple interest in 4 years at 3 1/2 percent?

 Option A: 266

 Option B: 500

 Option C: 287

 Option D: 26

 Option E: 281

Output: Option B


Input: Consider Input: Question: If 9a - b = 10b + 70 = -12b - 2a, what is the value of 11a + 11b?

 Option A: -4

 Option B: -2

 Option C: 0

 Option D: 2

 Option E: 4


Output: Option C