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 banker stopped the actors .

A: The actors stopped the banker .
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Q: The senators contacted the scientist .

A: The scientist contacted the senators .
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Q: The professors encouraged the student in front of the secretaries .

A:
The student encouraged the secretaries .
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