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 near the judge called the presidents .
Example Output: The presidents called the judge .

Example Input: The actor encouraged the artist next to the presidents .
Example Output: The artist encouraged the presidents .

Example Input: The professor who the president recognized introduced the secretaries .
Example Output:
The secretaries introduced the professor .