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 called the president by the bankers .
Example Output: The president called the artist .

Example Input: The artist called the actors near the doctors .
Example Output: The actors called the artist .

Example Input: The senators thanked the bankers .
Example Output:
The bankers thanked the senators .