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 author contacted the actors behind the student .
[EX A]: The actors contacted the student .

[EX Q]: The scientists mentioned the professors that admired the judges .
[EX A]: The professors mentioned the the judges .

[EX Q]: The tourists next to the doctors recognized the senator .
[EX A]:
The doctors recognized the tourists .