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 secretaries near the managers recognized the authors .

SOLUTION: The managers recognized the secretaries .

PROBLEM: The judge contacted the banker in front of the author .

SOLUTION: The banker contacted the author .

PROBLEM: The professor recognized the author that the presidents mentioned .

SOLUTION:
The author recognized the professor .