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: The sector of a circle has radius of 42 cm and central angle 135o. Find its perimeter?

 Option A: 91.5 cm

 Option B: 92.2 cm

 Option C: 28.9 cm

 Option D: 29.2 cm

 Option E: 183 cm
Example Output: Option E

Example Input: Question: A gambler bought $3,000 worth of chips at a casino in denominations of $20 and $100. That evening, the gambler lost 13 chips, and then cashed in the remainder. If the number of $20 chips lost was 3 more or 3 less than the number of $100 chips lost, what is the largest amount of money that the gambler could have received back?

 Option A: $2,040

 Option B: $2,120

 Option C: $2,240

 Option D: $1,920

 Option E: $1,400
Example Output: Option C

Example Input: Question: If six persons sit in a row, then the probability that three particular persons are always together is?

 Option A: 1/5

 Option B: 1/4

 Option C: 1/9

 Option D: 1/6

 Option E: 1/1
Example Output:
Option C