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 that recommended the judge introduced the secretary .
The secretary introduced the judge .

The athletes helped the students that contacted the senator .
The students helped the athletes .

The athlete behind the senators thanked the manager .

The manager thanked the athlete .