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 students recognized the presidents .

Ex Output:
The presidents recognized the students .


Ex Input:
The actor that recommended the judge introduced the secretary .

Ex Output:
The secretary introduced the judge .


Ex Input:
The authors who contacted the senator mentioned the athletes .

Ex Output:

The senator mentioned the authors .