Task: Question Answering
Input (English): Question: The price of a integrated declines by 67 percent every 6 months. At this rate, approximately how many years will it take for the price of an $81 integrated chip to reach $1?
81- 67% * 81 = 27 approx
27 - 0.67*27 = 9 approx
9- 0.67*9 = 3 approx
3-0.67*3= $1 approx

 Option A: 1.5 years

 Option B: 2 years

 Option C: 3 years

 Option D: 13 years

 Option E: 13.5 years
Output (English): Option B