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: mercury is similar in appearance to the moon : it is heavily cratered with regions of smooth plains , has no natural satellites and no substantial atmosphere.
A:
mercury , which looks like the moon with its many craters and areas of smoothness , has no orbiting bodies around it and a minimal atmosphere.