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 bike covers a certain distance at the speed of 67km/h in 8 hrs. If the bike was to cover the same distance in approximately 6 hrs, at what approximate speed should the bike travel?

Option A: 89.33 km/h

Option B: 85.34 km/h

Option C: 87.67 km/h

Option D: 90.25 km/h

Option E: 90.64 km/h

Ex Output:
Option A

Ex Input:
Question: 3 buffaloes eat as much as 4 cows or 2 oxen. At a farm there are 15 buffaloes, 8 oxen and 24 cows. The fodder for these cattle is available for 24days. If 8 more cows & 9 more buffaloes are brought in, how long will the fodder last?

Option A: 8

Option B: 10

Option C: 12

Option D: 18

Option E: 20

Ex Output:
Option D

Ex Input:
Question: If a Bus is travelling at a speed of 45 kmph, crosses a pole in 1 sec, then the length of train is?

Option A: 12 m

Option B: 12.3 m

Option C: 12.5 m

Option D: 12.8 m

Option E: 13 m

Ex Output:
Option C