premise: Bob got a rubix cube for Christmas.
initial: He struggled to solve the puzzle.
counterfactual: He sat for hours twisting it trying to solve it, but threw it away out of frustration.
original_ending: Eventually, he was able to solve half of it. But, the full solution remained elusive. Bob worked hard and then finally solved the puzzle.
edited_ending: One time he was able to solve half of it.But, the full solution remained elusive.Bob never wanted a rubix cube again.<SEP>He changed his mind and he was able to solve half of it.But, the full solution remained elusive.Bob worked hard and then finally solved the puzzle.<SEP>He was never even able to solve half of it.But, the full solution remained elusive.Bob worked hard but then never  solved the puzzle.