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 athletes in front of the tourists believed the scientists .

A: The tourists believed the athletes .
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Q: The actor that recommended the judge introduced the secretary .

A: The secretary introduced the judge .
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Q: The actor mentioned the doctor that recognized the presidents .

A:
The presidents mentioned the actor .
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