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.

Input: Consider Input: The tourists that the artists saw avoided the professor .

Output: The artists avoided the tourists .


Input: Consider Input: The artist called the president by the bankers .

Output: The president called the artist .


Input: Consider Input: The senator contacted the lawyer who introduced the bankers .


Output: The bankers contacted the senator .