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 professors in front of the manager thanked the students .
Example Output: The manager thanked the professors .

Example Input: The president in front of the scientists supported the secretaries .
Example Output: The scientists supported the president .

Example Input: The students who contacted the artists supported the president .
Example Output:
The president supported the students .