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.

on october 14 , 1960 , presidential candidate john f. kennedy proposed the concept of what became the peace corps on the steps of michigan union.
presidential candidate john f. kennedy proposed the peace corps on the steps of michigan union in 1960.

because of the lack of physical characteristics supporting this group , it is very possible that the subfamily as it is currently recognized is subject to enlargement.
because of the lack of physical characteristics supporting this group , it is very possible that the subfamily as it is now recognized is subject to enlargement.

this was a quite sensitive topic at the time , since poland was concerned that someday a german government would seek to reclaim some of this traditionally germany territory given to poland after world war ii.

the german government would seek to reclaim some of the traditionally germany territory given to poland after world war ii and this was concerned to be quite sensitive topic at that time.