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: One side of a rectangular field is 15 m and one of its diagonals is 17 m. Find the area of the field in meter square

 Option A: 100

 Option B: 110

 Option C: 120

 Option D: 130

 Option E: 140

Ex Output:
Option C


Ex Input:
Question: Which of the following is always true for any real number 'a' and 'b'?

 Option A: |ab| = |a||b|

 Option B: |a/b| = |a|/|b|

 Option C: |-ab| < |a||b|

 Option D: |ab| > |a/b|

 Option E: |ab| = -|ab|

Ex Output:
Option A


Ex Input:
Question: What amount does an investor receive if the investor invests $4000 at 10% p.a. compound interest for two years, compounding done annually?

 Option A: $4720

 Option B: $4840

 Option C: $4920

 Option D: $5080

 Option E: $5160

Ex Output:

Option B