instruction:
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.
question:
he returns in the 2007 series of doctor who , reuniting with the tenth incarnation of the doctor , and returned again for the 2008 series.
answer:
he comes back in the 2007 series of doctor who , joining again with the tenth embodiment of the doctor , and returns again for the 2008 series.


question:
calvin baker is an american novelist.
answer:
calvin baker is an american story writer.


question:
packagekit is an open source and free suite of software applications designed to provide a consistent and high-level front end for a number of different package management systems.
answer:

packagekit is an open source and free collection of software applications designed to provide a constant and high-level front end for a number of different package management systems.