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 students recommended the president who the tourist mentioned .
[A]: The president recommended the tourist .


[Q]: The secretaries in front of the tourists saw the judge .
[A]: The judge saw the tourists .


[Q]: The actor introduced the athlete next to the tourists .
[A]:
The athlete introduced the tourists .