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: A father was as old as his son's present at the time of your birth. If the father's age is 44 years now, the son's age 5years back was?

Option A: 10 years

Option B: 12 years

Option C: 14 years

Option D: 16 years

Option E: 17 years

Output: Option E

Input: Consider Input: Question: The fourth proportional to 12, 14 and 12 is?

Option A: 14

Option B: 66

Option C: 77

Option D: 88

Option E: 99

Output: Option A

Input: Consider Input: Question: The volume of a cistern is 840 cubic meters and water is flowing into the cistern. If the surface level of the water is rising at the rate of 0.5 meters per minute, what is the rate, in cubic meters per minutes, at which the water is flowing into the cistern?

Option A: 0.125

Option B: 0.25

Option C: 0.5

Option D: 0.75

Option E: Not enough information to determine the rate
Output: Option E