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 president thanked the author next to the artist .
Example Output: The author thanked the artist .

Example Input: The author that the professors avoided recognized the presidents .
Example Output: The presidents recognized the author .

Example Input: The presidents stopped the athlete near the senators .
Example Output:
The athlete stopped the senators .

