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:
geography the caucasus mountains are generally perceived to be a dividing line between asia and europe , and territories in caucasia are alternately considered to be in one or both continents.

Ex Output:
the caucasus mountains are generally perceived to be a dividing line between asia and europe.

Ex Input:
he had been a surgeon-superintendent of ships taking convicts to new south wales and van diemen 's land -lrb- now known as tasmania -rrb-.

Ex Output:
he had been a surgeon-superintendent of ships taking prisoners to new south wales and van diemen 's land -lrb- now called tasmania -rrb-.

Ex Input:
the album featured a greater creative input from the quartet , although they still relied on a heavyweight production crew including rodney jerkins , missy elliott , chad elliot , and dwayne wiggins of tony.

Ex Output:
the album promoted a greater creative input from the quartet , although they still depend on a heavyweight production crew including rodney jerkins , missy elliott , chad elliot , and dwayne wiggins of tony.