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 students admired the professor in front of the tourists .
The tourists admired the students .

The banker by the tourist helped the professor .
The professor helped the banker .

The judge behind the authors avoided the scientists .

The authors avoided the judge .