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: A car dealership has 40 cars on the lot, 30% of which are silver. If the dealership receives a new shipment of 80 cars, 40% of which are not silver, what percentage of total number of cars are silver?

 Option A: 35%

 Option B: 37.5%

 Option C: 45%

 Option D: 47.5%

 Option E: 50%

Ex Output:
Option E


Ex Input:
Question: a, b, c and d are four consecutive numbers. If the sum of a and dis 113, what is the product of b and c?

 Option A: 2652

 Option B: 2578

 Option C: 2534

 Option D: 3192

 Option E: 4234

Ex Output:
Option D


Ex Input:
Question: The present ages of three persons are in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages?

 Option A: 16, 26, 36

 Option B: 16, 28, 36

 Option C: 16, 28, 38

 Option D: 16, 28, 32

 Option E: 16, 28, 30

Ex Output:

Option B