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 scientist behind the students recognized the judge .

Ex Output:
The students recognized the scientist .


Ex Input:
The judges thanked the professor in front of the authors .

Ex Output:
The authors thanked the judges .


Ex Input:
The artists who contacted the actors helped the professor .

Ex Output:

The professor helped the artists .