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: In how many different number of ways 6 men and 4 women can sit on a shopa which can accommodate persons?

Option A: 200

Option B: 210

Option C: 90

Option D: 250

Option E: 270
Example Output: Option C

Example Input: Question: There are six cards in which it has two king cards. all cards are turned down and two cards are opened what is the possibility to get two kings.

Option A: 1/15

Option B: 2/15

Option C: 3/15

Option D: 4/15

Option E: 6/15
Example Output: Option A

Example Input: Question: An equilateral triangle T2 is formed by joining the mid points of the sides of another equilateral triangle T1. A third equilateral triangle T3 is formed by joining the mid-points of T2 and this process is continued indefinitely. If each side of T1 is 50 cm, find the sum of the perimeters of all the triangles.

Option A: 180 cm

Option B: 220 cm

Option C: 240 cm

Option D: 270 cm

Option E: 300 cm
Example Output:
Option E