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 students called the lawyers .
Example Output: The lawyers called the students .

Example Input: The lawyers that helped the managers called the president .
Example Output: The managers called the lawyers .

Example Input: The artist advised the doctors who the students recommended .
Example Output:
The students advised the artist .