Definition: 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.
Input: the marriage was not entirely happy although it inspired some of moeran 's masterpieces , the cello concerto and cello sonata.
Output:
the marriage was not entirely happy although it fired up by some of moeran 's great work of art , the cello music for one chief instrument and cello sonata.