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 lawyers who the scientists encouraged introduced the senators .

A: The senators introduced the scientists .
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Q: The scientists thanked the lawyer that contacted the students .

A: The students thanked the scientists .
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Q: The authors advised the presidents .

A:
The presidents advised the authors .
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