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.
Input: dr. david lindenmeyer -lrb- australian national university -rrb- has argued that the need for nest boxes indicates that logging practices are not ecologically sustainable , for conserving hollow-dependent species like leadbeater 's possum.
Output:
dr. david lindenmeyer -lrb- australian national university -rrb- has said that the need for nest boxes shows that logging practices are not ecologically sustainable , for saving hollow-dependent animals like leadbeater 's possum.