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.

Ex Input:
the females have the unique ability to delay birth of their baby until their previous joey has left the pouch.

Ex Output:
untill the previous joey leaves the pouch , females are able to delay the birth of their ba.

Ex Input:
birmingham is a city in van buren county , iowa , united states.

Ex Output:
birmingham is located in van buren county , iowa , usa.

Ex Input:
the body color varies from medium brown to gold-ish to beige-white ; and occasionally , is marked with dark brown spots , especially on the limbs.

Ex Output:
the body color varies from medium brown to goldish to beige-white and sometimes is marked with dark brown spots.