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 tourist admired the secretary .

Ex Output:
The secretary admired the tourist .


Ex Input:
The presidents recognized the actor by the tourists .

Ex Output:
The actor recognized the tourists .


Ex Input:
The tourists helped the authors .

Ex Output:

The authors helped the tourists .