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: they are rivaled as biological materials in toughness only by chitin.
Output: 



Output:
only chitin rivals them as biological materials.
their durability are comparable to chitin.
chitin is the only natural material that is stronger.
they are rivaled as biological materials in toughness.
they are rivaled as biological materials only compared to chitin.
they are rivaled as biological materials in toughness only by chit.
they are compared to biological materials in toughness because of chitin.