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 lawyer mentioned the manager behind the scientists .
[A]: The scientists mentioned the lawyer .


[Q]: The tourists in front of the senator thanked the student .
[A]: The student thanked the senator .


[Q]: The professor stopped the students that the secretary called .
[A]:
The students stopped the secretary .