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: the color has been speculated to be due to organic compounds on its surface.
Output: 



Output:
the color has been thought to be due to organic compounds on its surface.
the color seems to be because of organic compounds on its surface.
the color is speculated to be due to organic compounds on the surface.
the color has been speculated to be due to organic compounds on its surfa.
the color has been thought to be due to organic compounds on its surface.
the color has been speculated due to organic compounds on its surface.