In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Example Input: The earliest clear statement of how chromosomes may spread in a population not because of their positive fitness effects on the individual organism , but because of their own " parasitic " nature came from the Swedish botanist and cytogeneticist Gunnar O ̈ stergren in 1945 .
Example Output: The Swedish botanist and cytogeneticist Gunnar O ̈ stergren in 1945 noted how chromosomes may spread in a population because of their own ” parasitic ” nature .

Example Input: The Tower of David ( , " Migda ́ l Davi ́ d " , , " Burj Da ̄ wu ̄ d " ) , also known as the Jerusalem Citadel , is an ancient citadel located near the Jaffa Gate entrance to western edge of the Old City of Jerusalem .
Example Output: The Tower of David ( , " Migdal David " , , " Burj Daud " ) is an ancient citadel located in Jaffa Gate of the Old City of Jerusalem .

Example Input: Engineers , as practitioners of engineering , are professionals who invent , design , analyze , build , and test machines , systems , structures and materials to fulfill objectives and requirements while considering the limitations imposed by practicality , regulation , safety , and cost .
Example Output:
Engineers design materials , structures , machines and systems while considering the limitations imposed by practicality , safety and cost .