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.

Ex Input:
Question: A rectangular room has the rectangular shaped rug shown as above figure such that the rug's area is 160 square feet and its length is 6 feet longer than its width. If the uniform width between the rug and room is 6 feet, what is the area of the region uncovered by the rug (shaded region), in square feet?

Option A: 32

Option B: 456

Option C: 40

Option D: 46

Option E: 104

Ex Output:
Option B

Ex Input:
Question: On his first 3 tests, Rajeev received an average score of X points. If on his fourth test, he exceeds his previous average score by 24 points, what is his average score for his first 4 tests?

Option A: X

Option B: X+6

Option C: X+4

Option D: X+3

Option E: X+2

Ex Output:
Option B

Ex Input:
Question: When a student Joe, weighing 45 kg, joins a group of students whose average weight is 30 kg, the average weight goes up by 1 kg. Subsequently, if two students, excluding Joe, leave the group the average weight comes back to 30 kg. What is the difference between the average weight of the two students who left and the weight of Joe?

Option A: 7.5 kg

Option B: 11 kg

Option C: 30 kg

Option D: 36.5 kg

Option E: 71 kg

Ex Output:
Option A