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.

[EX Q]: The authors recognized the secretaries .
[EX A]: The secretaries recognized the authors .

[EX Q]: The secretaries thanked the doctors .
[EX A]: The doctors thanked the secretaries .

[EX Q]: The professors saw the judge .
[EX A]:
The judge saw the professors .