Task: Text Simplification
Input (English): the inner eyewall dissipated as a 23 mile -lrb- 37 km -rrb- outer eyewall became dominant , and concurrently the overall organization of the hurricane improved.
Output (English): the inner eyewall disappeared as a 23 mile -lrb- 37 km -rrb- outer eyewall became stronger , and at the same time , the overall organization of the hurricane improved.