Detailed Instructions: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
Problem:initially very disorganized , surface pressures gradually decreased across the region , with a weak low pressure area developing on september 19.
Solution:
initially very disorganized , surface pressures gradually decreased across the region , with a weak low-pressure area developing on september 19.