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 president thanked the lawyer .

A: The lawyer thanked the president .
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Q: The bankers avoided the artist who introduced the president .

A: The artist avoided the the president .
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Q: The president recognized the tourists who the secretary helped .

A:
The tourists recognized the president .
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