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.
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Question: The scientist saw the authors next to the manager .

Answer: The manager saw the scientist .


Question: The doctor who helped the tourists advised the professor .

Answer: The professor advised the tourists .


Question: The athletes by the student called the scientists .

Answer:
The student called the athletes .