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 presidents thanked the manager that encouraged the judges .
[EX A]: The judges thanked the presidents .

[EX Q]: The actors who the secretaries recognized thanked the tourist .
[EX A]: The tourist thanked the actors .

[EX Q]: The doctors introduced the lawyer .
[EX A]:
The lawyer introduced the doctors .