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.

The author avoided the bankers .
The bankers avoided the author .

The professors believed the managers .
The managers believed the professors .

The judge introduced the athletes behind the professor .

The professor introduced the judge .