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 tourist in front of the professors introduced the athletes .

Answer: The athletes introduced the tourist .


Question: The managers who stopped the scientist mentioned the lawyer .

Answer: The lawyer mentioned the scientist .


Question: The artists helped the tourists that introduced the author .

Answer:
The tourists helped the the author .