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 professor supported the actor behind the scientist .
Example Output: The scientist supported the professor .

Example Input: The professors helped the lawyer near the doctor .
Example Output: The lawyer helped the doctor .

Example Input: The president that believed the banker thanked the athletes .
Example Output:
The athletes thanked the banker .