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 doctor mentioned the tourist .
Example Output: The tourist mentioned the doctor .

Example Input: The athletes recognized the judges .
Example Output: The judges recognized the athletes .

Example Input: The students recognized the senators .
Example Output:
The senators recognized the students .