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.

Input: Consider Input: The secretary behind the actor believed the tourist .

Output: The tourist believed the actor .


Input: Consider Input: The scientists called the judge that stopped the doctors .

Output: The judge called the scientists .


Input: Consider Input: The secretaries admired the president that the scientist stopped .


Output: The president admired the scientist .