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.

Ex Input:
The " population growth rate " is the rate at which the number of individuals in a population increases in a given time period , expressed as a fraction of the initial population .

Ex Output:
Population growth is the rate at which a population grows or expands .


Ex Input:
Many predatory mammals have protractile claws that can partially hide inside the animal 's paw , especially the cat family , Felidae , almost all of whose members have fully protractible claws .

Ex Output:
Many predatory mammals have claws that can hide inside the animal 's paw , especially animals such as the cat .


Ex Input:
The eighteenth edition , which came out in 2012 , was edited by poet , critic , and editor Geoffrey O 'Brien ( O 'Brien is also the editor-in-chief of the Library of America ) .

Ex Output:

The eighteenth edition ( 2012 ) was edited by poet , critic , and editor Geoffrey O 'Brien .