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.

Example Input: The students in front of the senator contacted the manager .
Example Output: The manager contacted the students .

Example Input: The president called the secretary that helped the scientist .
Example Output: The scientist called the president .

Example Input: The manager encouraged the banker that admired the tourist .
Example Output:
The banker encouraged the manager .