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.

Example Input: it is not known how much , if any , of this story is true , but historians do know that china was the first civilization to use silk.
Example Output: it is not known how much story is true , but historians do know that china was the first people to use silk.

Example Input: the sheppard line currently has fewer users than the other two subway lines , and shorter trains are run.
Example Output: the sheppard line has fewer users than other two subway lines and shorter trains are run.

Example Input: two and a half men is an american television sitcom , which premiered on cbs on monday , september 22 , 2003.
Example Output:
two and half men is an american comedy television show which started on cbs on monday , september 22 , 2003.