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 a light flashes every 6 seconds, how many times will it flash in 1/4 of an hour?

 Option A: 51

 Option B: 151

 Option C: 251

 Option D: 351

 Option E: 451

Output: Option B


Input: Consider Input: Question: At a local supermarket, a box of cereal usually costs 22 dollars. This week, the supermarket sells the box of cereal for 11 dollars. How much money will you save if you buy this cereal at this supermarket?

 Option A: 11 dollars

 Option B: 13 dollars

 Option C: 14 dollars

 Option D: 12 dollars

 Option E: 10 dollar

Output: Option A


Input: Consider Input: Question: There are a red, yellow, blue and green tennis balls respectively in a set. How many subsets of these balls can I get without using the green ball?

 Option A: 9

 Option B: 7

 Option C: 8

 Option D: 6

 Option E: 10


Output: Option C