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 actor behind the scientist supported the authors .
The authors supported the actor .

The judges who saw the athletes recommended the scientist .
The scientist recommended the judges .

The athlete introduced the senator behind the managers .

The senator introduced the athlete .