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 banker recommended the students in front of the scientist .
[EX A]: The students recommended the scientist .

[EX Q]: The secretary called the authors that the banker contacted .
[EX A]: The banker called the secretary .

[EX Q]: The bankers who helped the doctors believed the lawyer .
[EX A]:
The lawyer believed the doctors .