TASK DEFINITION: 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.
PROBLEM: The tourists recommended the judges who saw the banker .

SOLUTION: The judges recommended the the banker .

PROBLEM: The scientists thanked the lawyer that contacted the students .

SOLUTION: The students thanked the scientists .

PROBLEM: The president thanked the tourists .

SOLUTION:
The tourists thanked the president .