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.

this was followed by the establishment of the grey league -lrb- grauer bund -rrb- , sometimes called oberbund , in 1395 in the upper rhine valley.
this was followed by the establishment of the grey league , sometimes called oberbund in 1395 in the upper rhine valley.