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 secretary advised the doctors in front of the tourists .
Example Output: The doctors advised the secretary .

Example Input: The doctors contacted the bankers behind the professors .
Example Output: The professors contacted the doctors .

Example Input: The senators who stopped the tourist avoided the artist .
Example Output:
The tourist avoided the senators .