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 senator behind the students stopped the judge .

Ex Output:
The judge stopped the senator .


Ex Input:
The lawyers mentioned the students that the judge introduced .

Ex Output:
The students mentioned the judge .


Ex Input:
The secretaries believed the bankers who introduced the scientists .

Ex Output:

The bankers believed the the scientists .