Task: Question Answering
Input (English): Question: A car driver travels from the plains to the hill station, which are 200 km apart at an average speed of 45km/hr. in return trip, he covers the same distance at an average speed of 20km/hr. the average speed of the car over the entire distance of 400 km is

 Option A: 8.95km/hr

 Option B: 26.7km/hr

 Option C: 27.7km/hr

 Option D: 37.9km/hr

 Option E: 8.45km/hr
Output (English): Option C