You will be given a definition of a task first, then some input of the task.
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.

the coat of arms was established about 1350 , when six towns of upper lusatia founded a confederacy.
Output:
the coat of arms was recognized about 1350 , when six towns of upper lusatia founded a gathering.