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.

Example Input: The presidents next to the scientists saw the students .
Example Output: The scientists saw the presidents .

Example Input: The banker by the managers saw the presidents .
Example Output: The presidents saw the managers .

Example Input: The secretaries who admired the authors introduced the scientists .
Example Output:
The authors introduced the secretaries .