Task: Question Answering
Input (English): Question: Braun invested a certain sum of money at 8% p.a. simple interest for 'n' years. At the end of 'n' years, Braun got back 5 times his original investment. What is the value of n?

 Option A: 50 years

 Option B: 25 years

 Option C: 12 years 6 months

 Option D: 37 years 6 months

 Option E: 40 years
Output (English): Option A