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.

in april 2000 , minix became free / open source software under a permissive free software licence , but by this time other operating systems had surpassed its capabilities , and it remained primarily an operating system for students and hobbyists.
in april 2000 , minix became free or open source software under a non-restrictive free software licence , but by this time other operating systems had exceeded its capabilities , and it continued to be mainly an operating system for students and hobbyists.

the story of christmas is based on the biblical accounts given in the gospel of matthew , namely - and the gospel of luke , specifically -.
the story of christmas is based on the gospel of matthew and specifically the gospel of luke.

the film is mainly based on robert drewe 's book our sunshine.

the film 's idea came mainly from robert drewe 's book our sunshine.