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.

[Q]: The secretaries near the athletes contacted the author .
[A]: The author contacted the secretaries .


[Q]: The author helped the professor .
[A]: The professor helped the author .


[Q]: The manager introduced the judges in front of the scientists .
[A]:
The judges introduced the manager .