premise: Yesterday I was putting up the Christmas tree.
initial: I picked up the prettiest ornaments.
counterfactual: I picked up the prettiest branch.
original_ending: As I picked one up, it dropped. The glass shattered. I cleaned it up with a broom.
edited_ending: As I put an ornament on it, it dropped.The glass shatteredI cleaned it up with a broom<SEP>As I picked one up, it dropped.The pine needles fell off.I cleaned it up with a broom.<SEP>As I hung an ornament, it broke off.The needles went everywhere.I cleaned it up with a broom.