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 president helped the secretary .

SOLUTION: The secretary helped the president .

PROBLEM: The judge saw the senators by the author .

SOLUTION: The author saw the judge .

PROBLEM: The student near the lawyers believed the secretary .

SOLUTION:
The secretary believed the student .