Task: Text Simplification
Input (English): after attaining tropical storm status , the maximum sustained winds fluctuated for three days between 40 mph -lrb- 65 km / h -rrb- and 50 mph -lrb- 85 km / h -rrb-.
Output (English): after achieving tropical storm status , the maximum sustained winds fluctuated for three days between 40 mph and 50 mph.