premise: Sam regretted not starting his history essay earlier.
initial: He typed up his closing paragraphs.
counterfactual: He typed up his closing paragraphs on his typewriter.
original_ending: All of a sudden, his screen was covered in a large blue error message. Sam shrugged and restarted his computer. He was disappointed in his broken computer.
edited_ending: All of a sudden, his paper was covered in a large blue smudge.Sam shrugged and put a new piece of paper in.He was disappointed and decided to buy a computer.<SEP>All of a sudden, his phone screen was covered in a large blue error message.Sam shrugged and took it to a repair shop.He was disappointed in his broken phone.<SEP>All of a sudden, his paper was covered in a large black ink blot.Sam got the whiteout and tried to fix it.He was disappointed in his broken typewriter.