premise: Dirk was a fine pianist.
initial: He often performed out in public for money.
counterfactual: His last performance was a musical truimph!
original_ending: During his last performance, one of the keys broke off his keyboard. He finished the performance as best he could, but the music was poor. Dirk was embarrassed.
edited_ending: During his last performance, one of the keys broke off his keyboard.He finished the performance as best he could and the music was still great!Dirk was proud.<SEP>During his last performance, one of the keys broke off his keyboard.He finished the performance.Dirk was happy.<SEP>During his last performance, one of the keys broke off his keyboard.He finished the performance as best he could, and it was brilliant.Dirk was thrilled.