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 judge believed the artists .
Example Output: The artists believed the judge .

Example Input: The athletes encouraged the lawyers .
Example Output: The lawyers encouraged the athletes .

Example Input: The tourist behind the president thanked the lawyer .
Example Output:
The president thanked the tourist .