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.

offenbach 's numerous operettas , such as orpheus in the underworld , and la belle hélène , were extremely popular in both france and the english-speaking world during the 1850s and 1860s.
offenbach 's operettas , such as orpheus in the underworld and la belle hélène , were very popular in france and the english-speaking world during the 1850 's and 1860 's.