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 secretary mentioned the athletes who the senator stopped .

Ex Output:
The athletes mentioned the secretary .


Ex Input:
The secretary called the artist near the senators .

Ex Output:
The artist called the secretary .


Ex Input:
The author thanked the athletes by the senator .

Ex Output:

The athletes thanked the author .