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 artist that the banker mentioned thanked the actor .
Example Output: The banker thanked the artist .

Example Input: The senator helped the actor who recognized the judge .
Example Output: The judge helped the senator .

Example Input: The author avoided the actor .
Example Output:
The actor avoided the author .