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 bankers recognized the professors .

A: The professors recognized the bankers .
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Q: The professor who supported the judge thanked the lawyer .

A: The lawyer thanked the professor .
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Q: The judge by the doctor contacted the president .

A:
The doctor contacted the judge .
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