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 athlete by the tourists recommended the senator .

A: The senator recommended the tourists .
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Q: The artists thanked the president .

A: The president thanked the artists .
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Q: The lawyer contacted the professor .

A:
The professor contacted the lawyer .
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