instruction:
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.
question:
Question: 23, 18, 16, 11, 9, 4 ?

 Option A: 3

 Option B: 2

 Option C: 7

 Option D: 5

 Option E: 1
answer:
Option B


question:
Question: Which of the following is greatest?

 Option A: 1/10

 Option B: 1/100

 Option C: 1/1000

 Option D: 1/10^9

 Option E: 1/5
answer:
Option E


question:
Question: If y>x>0, which of the following must be true:
I. y^2>x^2
II. y^3 > x^3
III. |y|>x

 Option A: I only

 Option B: II only

 Option C: I, II and III

 Option D: II and III

 Option E: III only
answer:

Option C