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 mall charges 50 cents for the first hour of parking and $4 for each additional hour until the customer reaches 4 hours, after that the parking fee is $2 per hour. If a Rahul parked his car in the mall for 7 hours and 30 minutes, how much is he going to pay?

 Option A: $25

 Option B: $12.

 Option C: $23.5

 Option D: $24.5.

 Option E: $25.5
Example Output: Option A

Example Input: Question: Find the greatest number which on dividing 1255 and 1490, leaves a reminder of 8 and 11 respectively

 Option A: 27

 Option B: 29

 Option C: 33

 Option D: 39

 Option E: 41
Example Output: Option B

Example Input: Question: A train 350 m long, running with a speed of 63 km/hr will pass a tree in?

 Option A: 22 sec

 Option B: 16 sec

 Option C: 17 sec

 Option D: 88 sec

 Option E: 20 sec
Example Output:
Option E