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 tourist helped the judges .
The judges helped the tourist .

The president admired the scientist who the tourist mentioned .
The scientist admired the president .

The author supported the managers in front of the students .

The students supported the author .