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: however , unlike the moon , it has a large iron core , which generates a magnetic field about 1 % as strong as that of the earth.
Output:
still , unlike the moon , it has a large iron core , which creates a magnetic field -lrb- a region around a magnetic material or a moving electric charge within which the force of magnetism acts -rrb- about 1 % as strong as that of the earth.