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 managers contacted the secretary who the doctors advised .
[EX A]: The doctors contacted the managers .

[EX Q]: The athletes by the student called the scientists .
[EX A]: The student called the athletes .

[EX Q]: The lawyer saw the students who stopped the scientists .
[EX A]:
The students saw the lawyer .