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 manager who saw the doctors introduced the senator .
Example Output: The senator introduced the manager .

Example Input: The athlete avoided the judges by the students .
Example Output: The students avoided the athlete .

Example Input: The authors believed the lawyers .
Example Output:
The lawyers believed the authors .