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 students recommended the athletes who the secretaries advised .

A: The athletes recommended the secretaries .
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Q: The presidents contacted the athletes .

A: The athletes contacted the presidents .
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Q: The secretaries introduced the doctors next to the actor .

A:
The doctors introduced the secretaries .
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