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 senator helped the actor who recognized the judge .

SOLUTION: The judge helped the senator .

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

SOLUTION: The author helped the scientist .

PROBLEM: The students saw the bankers behind the actors .

SOLUTION:
The actors saw the students .