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 judge called the lawyers .

A: The lawyers called the judge .
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Q: The banker in front of the artist helped the judge .

A: The judge helped the artist .
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Q: The senators called the professors in front of the scientists .

A:
The professors called the scientists .
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