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 tourists next to the doctors recognized the senator .
Example Output: The doctors recognized the tourists .

Example Input: The scientists mentioned the professors that admired the judges .
Example Output: The professors mentioned the the judges .

Example Input: The author who the professors recognized advised the president .
Example Output:
The professors advised the author .