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 judge who the authors contacted recommended the students .
Example Output: The students recommended the judge .

Example Input: The athletes who introduced the lawyer supported the scientist .
Example Output: The lawyer supported the athletes .

Example Input: The lawyers who avoided the bankers introduced the doctors .
Example Output:
The doctors introduced the lawyers .