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: In a local school district, the high school and middle school each received r dollars toward funding for the student arts program. The high school enrolled 600 students and the middle school enrolled 300 students. Later, the middle school transferred s dollars to the high school so that they would have received the same funding per student. Which of the following is equivalent to s?

Option A: r/3

Option B: r/2

Option C: 2r

Option D: 3r

Option E: r/9

Output: Option A

Input: Consider Input: Question: Mr. Evans will states that each of his children will receive an equal share of his estate and that his grandchildren will split a portion of the estate that is equal to the share received by each of his children. If Mr. Evans has 4 children and 5 grandchildren, then approximately what percentage of Mr. Evans estate will each grandchild receive?

Option A: 20%

Option B: 17%

Option C: 4.0%

Option D: 3.3%

Option E: 2.8%

Output: Option C

Input: Consider Input: Question: five friends A, B,C,D and E decided to share a lot of apples. Each of them had half of the total plus half an apple in order. After each of them took their share 2 time, no apples were left.How many apples were there?

Option A: 1023

Option B: 1024

Option C: 1026

Option D: 1029

Option E: 1020
Output: Option A