TASK DEFINITION: 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.
PROBLEM: The senators behind the artist recommended the presidents .

SOLUTION: The presidents recommended the artist .

PROBLEM: The president encouraged the professor .

SOLUTION: The professor encouraged the president .

PROBLEM: The artist near the judge advised the scientist .

SOLUTION:
The judge advised the artist .