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: A train running at a speed of 36 kmph crosses an electric pole in 12 seconds. In how much time will it cross a 370 m long platform?

 Option A: 37 min

 Option B: 55 min

 Option C: 47 min

 Option D: 67 min

 Option E: 49 min
Example Output: Option E

Example Input: Question: The average marks of a class of 35 students is 45 and that of another class of 55 students is 65. Find the average marks of all the students?

 Option A: 52.6

 Option B: 52.4

 Option C: 52.1

 Option D: 57

 Option E: 52.9
Example Output: Option D

Example Input: Question: After 76 liters of petrol were poured into the tank, it was still 5% empty. How much petrol must be poured into the tank in order to fill it?

 Option A: 7 liters

 Option B: 4 liters

 Option C: 3 liters

 Option D: 2 liters

 Option E: 6 liters
Example Output:
Option B