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 senator thanked the secretaries .
[A]: The secretaries thanked the senator .


[Q]: The actors introduced the secretaries .
[A]: The secretaries introduced the actors .


[Q]: The professor in front of the doctors supported the tourists .
[A]:
The tourists supported the doctors .