Definition: 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: Question: Nr Books bought Nr of People
5 7
6 3
7 3
8 2
What is the median of books bought per person?

 Option A: a

 Option B: b

 Option C: c

 Option D: d

 Option E: e

Option C