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 judge contacted the banker in front of the author .
[EX A]: The banker contacted the author .

[EX Q]: The athletes called the artist next to the manager .
[EX A]: The artist called the manager .

[EX Q]: The manager stopped the doctor who avoided the scientists .
[EX A]:
The doctor stopped the the scientists .