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

Example Input: they currently play in the eastern division of the national conference.
Example Output: they now play in the eastern division of the national conference.

Example Input: in 1963 an extension was added , curving north from union station , below university avenue and queen 's park to near bloor street , where it turned west to terminate at st. george and bloor streets.
Example Output:
in 1963 an extension was added that led north from union station , to university avenue and queen 's park , and west to st. george and bloor streets.