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: If x represents the sum of the interior angles of a triangle and y represents the sum of the interior angles of a regular pentagon, then the addition x and y is equal to the sum of the interior angles of what geometric shape?

Option A: Hexagon

Option B: Square

Option C: Rhombus

Option D: Trapezoid

Option E: Pentagon

Ex Output:
Option A

Ex Input:
Question: Running at the same constant rate, 8 identical machines can produce a total of 240 pens per minute. At this rate, how many pens could 5 such machines produce in 5 minutes?

Option A: 114

Option B: 108

Option C: 192

Option D: 750

Option E: 777

Ex Output:
Option D

Ex Input:
Question: A and B together can complete a work in 12 days. A alone complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?

Option A: 110 days

Option B: 11 days

Option C: 15 days

Option D: 20 days

Option E: 17 days

Ex Output:
Option C