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 authors behind the athletes encouraged the secretaries .

SOLUTION: The secretaries encouraged the athletes .

PROBLEM: The professors thanked the judges by the artist .

SOLUTION: The judges thanked the professors .

PROBLEM: The artists in front of the tourists encouraged the author .

SOLUTION:
The author encouraged the tourists .