Task: Text Simplification
Input (English): banding features continued to organize as the system slowly strengthened , and on august 23 debby attained a peak intensity of 50 mph -lrb- 85 km / h -rrb- over the open waters of the atlantic ocean.
Output (English): over the open waters of the atlantic ocean , debby attained a peak intensity of 50 mph -lrb- 85 km / h -rrb- as the system slowly strengthen.