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 lawyer contacted the doctors in front of the actor .
[EX A]: The actor contacted the lawyer .

[EX Q]: The senator by the artists helped the managers .
[EX A]: The managers helped the senator .

[EX Q]: The doctors advised the authors who the judges recognized .
[EX A]:
The authors advised the doctors .