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 doctors contacted the bankers behind the professors .
Example Output: The professors contacted the doctors .

Example Input: The scientist behind the students recognized the judge .
Example Output: The students recognized the scientist .

Example Input: The professor who supported the judge thanked the lawyer .
Example Output:
The lawyer thanked the professor .