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 banker in front of the secretaries thanked the professors .
Example Output: The professors thanked the secretaries .

Example Input: The artist behind the lawyer saw the professor .
Example Output: The professor saw the lawyer .

Example Input: The professors believed the managers .
Example Output:
The managers believed the professors .