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 senator thanked the judges who supported the president .
Example Output: The president thanked the senator .

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