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, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.18000. A's share is?

 Option A: 6029

 Option B: 6299

 Option C: 6000

 Option D: 6018

 Option E: 60012
Example Output: Option C

Example Input: Question: Divide 71 into 2 parts such that 1 part exceeds the other by 8. What are the 2 no.'s in that part?

 Option A: 29

 Option B: 30

 Option C: 31

 Option D: 35

 Option E: 38
Example Output: Option C

Example Input: Question: Two trains of length 100 m and 300 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 54 kmph and 72 kmph. In how much time will the trains cross each other?

 Option A: 70/7 sec

 Option B: 80/7 sec

 Option C: 40/7 sec

 Option D: 100/7 sec

 Option E: 90/7 sec
Example Output:
Option D