Task: Question Answering
Input (English): Question: A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 15 minutes. How long will it take to go 5 km in stationary water?

 Option A: 40 minutes

 Option B: 1 hour

 Option C: 1 hour 15 min

 Option D: 1 hour 30 min

 Option E: 1 hour 40 min
Output (English): Option E