Instructions: 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: before snow white , the disney studio had been primarily involved in the production of animated short subjects in the mickey mouse and silly symphonies series.
Output:
before snow white , the disney studio had mostly been making short cartoons in the mickey mouse and silly symphonies series.