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 artist recommended the senators by the student .
Example Output: The student recommended the artist .

Example Input: The tourists in front of the athlete introduced the secretary .
Example Output: The secretary introduced the athlete .

Example Input: The lawyers introduced the secretary .
Example Output:
The secretary introduced the lawyers .