premise: Billy liked sitting by the pond.
initial: He would take a book and sit under the tree.
counterfactual: He was mad he couldn't go to the pond today because it was raining.
original_ending: His book was about frogs. He looked out onto the pond and a frog was staring at him. Billy started reading his book out loud to the frog.
edited_ending: He decided to read a book about frogs.He looked at the book and saw pictures of frogs in a pond.Billy continued to read his book about frogs.<SEP>His book was about frogs.He looked at the book during the rain.Billy started reading his book out loud to the frog the next day he went to the pond.<SEP>His just read his book about frogs.He would like to look out onto the pond for a frog.Billy will read his book out loud to the frog.