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

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


Ex Input:
to the north the canton is bounded by the swiss cantons of vaud and bern ; the cantons of uri and ticino lie to its east.

Ex Output:
to the north are the swiss cantons of vaud and bern ; the cantons of uri and ticino are east of it.


Ex Input:
the electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation.

Ex Output:

the electromagnetic spectrum covers all possible frequencies of electromagnetic radiation.