In this task, you are given a premise sentence. Your task is to write a new sentence by substituting the subject and object (i.e., the input's subject should be output's object and vice versa.). The generated sentence must be fluent and shouldn't change the voice (i.e., passive or active) of the input.

Example Input: The student avoided the actor by the scientist .
Example Output: The actor avoided the scientist .

Example Input: The author saw the artist .
Example Output: The artist saw the author .

Example Input: The secretary called the artist .
Example Output:
The artist called the secretary .