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:
the twelve-wired bird of paradise , seleucidis melanoleucus or seleucidis melanoleuca , is a medium-sized , approximately 33cm-long , velvet black and yellow bird of paradise.

Ex Output:
the twelve-wired bird of paradise , seleucidis melanoleucus or seleucidis melanoleuca , is a medium-sized , about 33cm-long , velvet black and yellow bird of paradise.

Ex Input:
the technique is credited to albert humphrey , who led a convention at stanford university in the 1960s and 1970s using data from fortune 500 companies.

Ex Output:
albert humphrey 's technique used data from fortune 500 companies.