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 encouraged the artist next to the presidents .
The artist encouraged the presidents .

The student avoided the actor by the scientist .
The actor avoided the scientist .

The artist recommended the senators by the student .

The student recommended the artist .