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: Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q's age?

Option A: 23

Option B: 28

Option C: 25

Option D: 19

Option E: 11

Output: Option C

Input: Consider Input: Question: A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 liters per minute. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours. The capacity of the tank is?

Option A: 5768

Option B: 5760

Option C: 5762

Option D: 5766

Option E: 5712

Output: Option B

Input: Consider Input: Question: A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it take 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

Option A: 1:3

Option B: 3:8

Option C: 6:3

Option D: 8:3

Option E: None
Output: Option D