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 near the judge called the presidents .
[A]: The presidents called the judge .


[Q]: The author that the professors avoided recognized the presidents .
[A]: The presidents recognized the author .


[Q]: The lawyers in front of the author believed the senators .
[A]:
The senators believed the lawyers .