Task: Question Answering
Input (English): Question: A person travelled from his house to office at 35km/hr and office to house at 65km/hr. Then find the average speed?

 Option A: 30km/hr

 Option B: 45.5km/hr

 Option C: 48km/hr

 Option D: 50.5km/hr

 Option E: 62km/hr
Output (English): Option B