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 professors in front of the manager thanked the students .
The manager thanked the professors .

The professor saw the presidents near the managers .
The presidents saw the professor .

The artists admired the professor that the senator called .

The professor admired the artists .