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.

Input: Consider Input: Question: The average expenditure of a labourer for 6 months was 90 and he fell into debt. In the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30. His monthly income i

Option A: 70

Option B: 72

Option C: 75

Option D: 78

Option E: 81

Output: Option E

Input: Consider Input: Question: A certain number of workers can do a work in 85 days. If there were 10 workers more it could be finished in 10 days less. How many workers are there?

Option A: 75

Option B: 30

Option C: 28

Option D: 24

Option E: 32

Output: Option A

Input: Consider Input: Question: Excluding stoppages, the speed of a train is 45 kmph and including stoppages it is 36 kmph. Of how many minutes does the train stop per hour?

Option A: 82

Option B: 17

Option C: 12

Option D: 82

Option E: 18
Output: Option C