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.
Q: it is not clear whether it is only a transient clump of dust , or if there is a solid moonlet at its core.
A:
it is not clear whether it is only a temporary cluster of dust , or if there is a solid moonlet at its core.