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 doctors who the actor encouraged contacted the scientist .
[EX A]: The scientist contacted the doctors .

[EX Q]: The lawyers believed the judge who advised the athlete .
[EX A]: The judge believed the the athlete .

[EX Q]: The scientist called the secretary that the senator saw .
[EX A]:
The secretary called the scientist .