premise: We used to live by an ice pond.
initial: It froze over in the winter.
counterfactual: It dried out in the winter.
original_ending: One day my friend Joe took his 3 year old out onto the pond. Joe slid his son along the ice like a curling stone. Joe's son did not stop laughing for hours.
edited_ending: One day my friend Joe took his 3 year old out onto the salt flat that used to be the pond.Joe slid his son along the muddy ice concoction like a curling stone.Joe's son did not stop laughing for hours.<SEP>One day my friend Joe took his 3 year old out onto the pond.Joe put his son in the mud.Joe's son did not stop laughing for hours.<SEP>One day my friend Joe took his 3 year old out onto the ice over another pond.Joe slid his son along the ice like a curling stone.Joe's son did not stop laughing for hours.