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.

[EX Q]: The tourist next to the author stopped the student .
[EX A]: The author stopped the tourist .

[EX Q]: The bankers who the judge introduced recommended the authors .
[EX A]: The authors recommended the bankers .

[EX Q]: The judge avoided the scientist who the president advised .
[EX A]:
The president avoided the judge .