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 professor called the secretaries .
[EX A]: The secretaries called the professor .

[EX Q]: The banker mentioned the senator behind the manager .
[EX A]: The senator mentioned the manager .

[EX Q]: The actor encouraged the artist next to the presidents .
[EX A]:
The artist encouraged the presidents .