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 mentioned the managers .
Example Output: The managers mentioned the professor .

Example Input: The lawyers recognized the secretaries who introduced the actor .
Example Output: The actor recognized the lawyers .

Example Input: The lawyer contacted the manager .
Example Output:
The manager contacted the lawyer .