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 doctors called the author .
[A]: The author called the doctors .


[Q]: The author supported the managers in front of the students .
[A]: The students supported the author .


[Q]: The senator believed the tourist who the scientists contacted .
[A]:
The tourist believed the scientists .