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 manager that the actors called mentioned the senators .

SOLUTION: The senators mentioned the manager .

PROBLEM: The actors called the lawyer that advised the manager .

SOLUTION: The lawyer called the the manager .

PROBLEM: The tourist helped the scientists .

SOLUTION:
The scientists helped the tourist .