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 scientists saw the author that the senators avoided .
[A]: The author saw the senators .


[Q]: The judge introduced the lawyers near the artists .
[A]: The lawyers introduced the artists .


[Q]: The judges behind the lawyer called the professors .
[A]:
The professors called the judges .