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.

Ex Input:
The tourists thanked the lawyer who the author saw .

Ex Output:
The lawyer thanked the author .


Ex Input:
The actors saw the professor near the tourists .

Ex Output:
The tourists saw the actors .


Ex Input:
The lawyers behind the senator introduced the manager .

Ex Output:

The manager introduced the lawyers .