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.

The students admired the professor in front of the tourists .
The tourists admired the students .

The manager introduced the senators who the artists mentioned .
The senators introduced the manager .

The athletes recommended the doctor next to the tourist .

The doctor recommended the tourist .