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 saw the doctor .
Example Output: The doctor saw the student .

Example Input: The secretaries encouraged the artist that thanked the professor .
Example Output: The professor encouraged the secretaries .

Example Input: The judges believed the scientist next to the manager .
Example Output:
The scientist believed the judges .