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.

Q: The professor who the scientist mentioned avoided the banker .

A: The banker avoided the scientist .
****
Q: The manager introduced the senators who the artists mentioned .

A: The senators introduced the manager .
****
Q: The artists stopped the students that encouraged the judges .

A:
The students stopped the artists .
****