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.

Ex Input:
after a version of a software package has remained in unstable for a certain length of time -lrb- depending on the urgency of the software 's changes -rrb- , that package is automatically migrated to the testing distribution.

Ex Output:
after a version of a software package has remained unsteady for sometime , that package is automatically moved to the testing distribution.

Ex Input:
it has a shaving head consisting of cutters that cut off the hair entering the head of the razor at skin level.

Ex Output:
it has a shaving head consisting of cutters that cut away the hair entering the school principal of the razor at skin level.

Ex Input:
it was discovered by a team of astronomers from the university of hawaii led by scott s. sheppard , et al.

Ex Output:
it was discovered by astronomers from the university of hawaii led by scott s. sheppard.