TASK DEFINITION: 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: it was originally thought that the debris thrown up by the collision filled in the smaller craters.

SOLUTION: originally , it was thought that smaller craters were filled in with debris from the collision.

PROBLEM: this resulted in a vest with vertical stripes of white and navy-blue color.

SOLUTION: the result was a vest of white and navy blue stripes.

PROBLEM: his detractors claim he suffered a nervous breakdown during the rising.

SOLUTION:
his defamers claim he suffered a nervous breakdown during the rising.