instruction:
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.
question:
The athlete introduced the secretary .
answer:
The secretary introduced the athlete .


question:
The tourists next to the manager thanked the senator .
answer:
The senator thanked the tourists .


question:
The professors saw the senators next to the athlete .
answer:

The senators saw the athlete .