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 artist by the tourist encouraged the author .

A: The author encouraged the artist .
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Q: The scientist encouraged the secretaries in front of the lawyers .

A: The secretaries encouraged the scientist .
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Q: The secretary believed the senator behind the authors .

A:
The senator believed the authors .
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