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 advised the author .
Example Output: The author advised the scientists .

Example Input: The presidents mentioned the tourists by the banker .
Example Output: The tourists mentioned the presidents .

Example Input: The actor by the artist supported the doctors .
Example Output:
The doctors supported the actor .