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 Input:
The senators behind the athletes admired the banker .

Ex Output:
The athletes admired the senators .


Ex Input:
The doctors contacted the bankers behind the professors .

Ex Output:
The professors contacted the doctors .


Ex Input:
The secretaries called the managers .

Ex Output:

The managers called the secretaries .