premise: Tyler bought a boomerang and went to an open field.
initial: He tried to toss it but it never came back.
counterfactual: He tried to toss it but it slipped out of hands.
original_ending: Tyler adjusted his form and threw it very hard. The boomerang began to return but still failed. Tyler decided to practice.
edited_ending: Tyler wiped the sweat off his hands and tried again.The boomerang went flying this time, but never returned.Tyler decided he needed to practice.<SEP>Tyler picked it up and threw it very hard.The boomerang began to return but still failed.Tyler decided to practice.<SEP>Tyler gripped the boomerang tighter this time and threw it very hard.The boomerang began to return but failed.Tyler decided to practice.