Task: Question Answering
Input (English): Question: City A to city B, John drove for 1 hour at 40 mph and for 3 hours at 60 mph. What was the average speed for the whole trip?

 Option A: 57

 Option B: 57.5

 Option C: 58.2

 Option D: 59

 Option E: 55
Output (English): Option E