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 presidents who recognized the author helped the students .
Example Output: The students helped the author .

Example Input: The actor that stopped the tourists recommended the judge .
Example Output: The tourists recommended the actor .

Example Input: The judge helped the tourists .
Example Output:
The tourists helped the judge .