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 judges recognized the authors behind the president .
Example Output: The authors recognized the president .

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

Example Input: The students believed the doctor behind the secretaries .
Example Output:
The doctor believed the secretaries .