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 manager who saw the doctors introduced the senator .

Output: The senator introduced the manager .


Input: Consider Input: The tourist helped the judges .

Output: The judges helped the tourist .


Input: Consider Input: The secretaries behind the scientist introduced the judges .


Output: The judges introduced the secretaries .