Task: Question Answering
Input (English): Question: A cyclist bikes x distance at 8 miles per hour and returns over the same path at 10 miles per hour. What is the cyclist's average rate for the round trip in miles per hour?

 Option A: 8.1

 Option B: 8.9

 Option C: 8.6

 Option D: 8.3

 Option E: 9
Output (English): Option B