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

Example Input: The tourist by the secretary introduced the students .
Example Output: The students introduced the tourist .

Example Input: The secretaries supported the doctors in front of the professors .
Example Output:
The professors supported the secretaries .