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 tourist that the professors stopped mentioned the judges .
Example Output: The professors mentioned the tourist .

Example Input: The judges admired the doctors .
Example Output: The doctors admired the judges .

Example Input: The professor encouraged the artist .
Example Output:
The artist encouraged the professor .