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 x and y are negative integers, which of the following statements must be true?
I. (-x)^y is positive.
II. (-x)^(-y) is positive.
III. x^(-y) is positive.

 Option A: None

 Option B: II only

 Option C: I and II

 Option D: I and III

 Option E: I, II and III

Output: Option C


Input: Consider Input: Question: Find the odd one out:
125, 106, 85, 76, 65, 58, 53

 Option A: 33

 Option B: 85

 Option C: 26

 Option D: 18

 Option E: 222

Output: Option B


Input: Consider Input: Question: in 10 year, A willbe twice as old as B was 10 year ago. if A is now 9 year older then B, the present age of B is

 Option A: 19 years

 Option B: 29 years

 Option C: 39 years

 Option D: 49 years

 Option E: None of these


Output: Option C