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.

Example Input: Question: When the no.7y86038 is exactly divisible by 11, then the smallest whole no.in place of y?

Option A: 3

Option B: 4

Option C: 6

Option D: 7

Option E: 9
Example Output: Option A

Example Input: Question: Three candidates contested in an election and received 6136, 7636, 11628 votes respectively. What is the percentage of the total votes did the winning candidate get?

Option A: 46%

Option B: 49%

Option C: 57%

Option D: 51%

Option E: 62%
Example Output: Option A

Example Input: Question: Find the difference between the average of first n even numbers and the average of all the even numbers up to n (n is an even number).

Option A: n

Option B: (n-1

Option C: n/2

Option D: cannot be determined

Option E: None of these
Example Output:
Option C