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 scientists advised the author .
Example Output: The author advised the scientists .

Example Input: The secretaries that recommended the judges encouraged the professor .
Example Output: The judges encouraged the secretaries .

Example Input: The banker introduced the doctors behind the tourist .
Example Output:
The doctors introduced the banker .