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 behind the doctors called the secretary .

A: The secretary called the president .
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Q: The authors behind the students encouraged the managers .

A: The managers encouraged the students .
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Q: The scientists saw the artists in front of the bankers .

A:
The bankers saw the scientists .
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