Definition: 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.

Positive Example 1 -
Input: a georgian inscription around the drum attests his name.
Output: there is a georgian inscription around the drum to confirm his name.

Positive Example 2 -
Input: it is particularly famous for the cultivation of kiwifruit.
Output: it is mostly famous for the growing of kiwifruit.

Negative Example 1 -
Input: a hunting dog refers to any dog who assists humans in hunting.
Output: a hunting dog is a dog that refers humans in hunting.

Negative Example 2 -
Input: in return , romania ceded three southern districts of bessarabia to russia and acquired dobruja.
Output: in return , romania ceded three southern districts of bessarabia to russia and acquired dobruja.

Now complete the following 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.
Output: 



Output:
it is not known how much story is true , but historians do know that china was the first people to use silk.
even though we do n't know how much of the story is true , historians are pretty sure that people in china used silk before anyone else.
although unconfirmed , it 's said that china was the first civilization to use silk.
historians know that china was the first civilization to use silk.
it is not known how much , if any , of this story is true , but people who study history do know that china was the first group of people to use silk.
nobody knows the truth behind the story but historians do know that china was the first civilization to use silk.