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 lawyers helped the author next to the scientists .

Answer: The author helped the scientists .


Question: The presidents who recognized the author helped the students .

Answer: The students helped the author .


Question: The president saw the judge that believed the scientists .

Answer:
The scientists saw the president .