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 students called the secretaries who the judge supported .
Example Output: The secretaries called the judge .

Example Input: The judges who the actor helped recommended the scientists .
Example Output: The scientists recommended the actor .

Example Input: The doctors by the artist recognized the presidents .
Example Output:
The artist recognized the doctors .