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: Which of the following is closer to (23!+22!)/(23!-22!)?

Option A: 49

Option B: 36

Option C: 25

Option D: 16

Option E: 1
Example Output: Option E

Example Input: Question: A contractor undertakes to built a walls in 50 days. He employs 60 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time?

Option A: 25

Option B: 90

Option C: 35

Option D: 20

Option E: None of these
Example Output: Option B

Example Input: Question: Out of a classroom of 5 boys and 6 girls, the teacher randomly chooses a president for the student board, a vice president, and a secretary. What is the probability that only girls will be selected for all three positions?

Option A: 2/11

Option B: 2/33

Option C: 4/33

Option D: 8/165

Option E: 19/165
Example Output:
Option C