premise: Gayle and her husband were skipping rocks at a lake.
initial: Gayle picked up a smooth round rock to throw.
counterfactual: Gayle kept a smooth round rock to throw.
original_ending: The rock skipped four times before sinking into the murky water. Gayle's husband selected a large bumpy rock to throw. Then he threw it.
edited_ending: The rock skipped six times before sinking into the murky water.Gayle's husband selected a large bumpy rock to throw.Then he threw it.<SEP>The rock skipped four times before sinking into the murky water.Gayle's husband selected a large bumpy rock to throw.Then he threw it.<SEP>The rock skipped four times before sinking into the murky water.Gayle's husband instead selected a large bumpy rock to throw.Then he threw it.