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.

The banker mentioned the senator behind the manager .
The senator mentioned the manager .

The students mentioned the judges .
The judges mentioned the students .

The doctor supported the president who recommended the authors .

The president supported the the authors .