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 scientists supported the senator who the managers encouraged .
Example Output: The senator supported the scientists .

Example Input: The managers contacted the secretary who the doctors advised .
Example Output: The doctors contacted the managers .

Example Input: The professors next to the banker mentioned the author .
Example Output:
The author mentioned the professors .