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.

Input: Consider Input: Question: 3 + 3 + 3 + 2 × 3^2 + 2 × 3^3 + 2 × 3^4 + 2 × 3^5 + 2 × 3^6 + 2 × 3^7 =

 Option A: 3^7

 Option B: 3^8

 Option C: 3^14

 Option D: 3^28

 Option E: 3^30

Output: Option B


Input: Consider Input: Question: Find the equation of a line which passes through A(4, -1) and is parallel to x axis.

 Option A: y=-2

 Option B: y=3

 Option C: y=2

 Option D: y=-1

 Option E: y=0

Output: Option D


Input: Consider Input: Question: In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 18 years replaced by a new boy. The age of the new boy is?

 Option A: 14 years 8 months

 Option B: 15 years

 Option C: 16 years 4 months

 Option D: 17 years 10 months

 Option E: 17 years


Output: Option A