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 advised the scientist .
Example Output: The scientist advised the doctors .

Example Input: The bankers avoided the artist who introduced the president .
Example Output: The artist avoided the the president .

Example Input: The doctors stopped the professor .
Example Output:
The professor stopped the doctors .