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 scientist that the student encouraged helped the author .
The author helped the scientist .

The athlete avoided the judges by the students .
The students avoided the athlete .

The manager recommended the artist .

The artist recommended the manager .