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.

[Q]: historically , the sensations of itch and pain have not been considered to be independent of each other until recently , where it was found that itch has several features in common with pain , but exhibits notable differences.
[A]: the sensations of itch and pain have never been considered to be independent of each other until recently where it was found that itch has many features in common with pain but exhibits differences.

[Q]: on 8 november 1917 , lenin was elected the chairman of the council of people 's commissars by the russian congress of soviets.
[A]: on 8 november 1917 , the russian congress eclected lenin as a chairman of the council of people 's commissars.

[Q]: 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.
[A]:
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.