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: cocoa was an important commodity in pre-columbian mesoamerica.
Example Output: cocoa was an important produce in pre-columbian mesoamerica.

Example Input: the empire of nicaea succeeded in capturing constantinople and the rest of the latin empire , thus re-establishing the byzantine empire.
Example Output: the byzantine empire came back when the empire of nicaea captured constantinople and the latin empire.

Example Input: he excelled in history throughout his school years while his grades in other subjects remained average.
Example Output:
his history grades were high , but average for his other subjects , during the school years.