premise: Harry was doing his homework but had trouble with math.
initial: He decided to look for help on Youtube.
counterfactual: He gave up and dropped his math class.
original_ending: After doing a few lessons, he saw an interesting video. The video was exciting and so he decided to watch another. Harry finally overcame the distraction and returned to his math.
edited_ending: After dropping it, he saw an interesting video.The video was fun and so he decided to watch another.Harry had all his time to to watch his distraction.<SEP>He saw an interesting video.The video was exciting and so he decided to watch another.Harry enjoyed the distraction.<SEP>After moving onto his history research, he saw an interesting video.The video was exciting and so he decided to watch another.Harry finally overcame the distraction and returned to his history paper.