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.

Example Input: the team 's name originated from the burning of atlanta led by u.s. army general william sherman during the american civil war.
Example Output: the team 's name comes from the burning of atlanta by general william sherman during the u.s. civil war.

Example Input: they are rivaled as biological materials in toughness only by chitin.
Example Output: only chitin rivals them as biological materials.

Example Input: the sahara pump theory is a hypothesis that explains how flora and fauna left africa to penetrate the middle east and then europe and asia.
Example Output:
the sahara pump explanation -lrb- of why something works or happens the way it does -rrb- is an educated guess that explains how flora and fauna left africa to penetrate the middle east and then europe and asia.