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.

[Q]: The athlete saw the doctor .
[A]: The doctor saw the athlete .


[Q]: The bankers believed the judges behind the presidents .
[A]: The judges believed the presidents .


[Q]: The tourists helped the senator .
[A]:
The senator helped the tourists .