Task: Question Answering
Input (English): Question: A person goes to his office at 1/3rd of the speed at which he returns from his office. If the avg speed during the whole trip is 36m/h. what is the speed of the person while he was going to his office?

 Option A: 8km/h

 Option B: 9km/h

 Option C: 10km/h

 Option D: 11km/h

 Option E: 24km/h
Output (English): Option E