premise: Arnold was scared of birds.
initial: One day he was at a picnic.
counterfactual: One day, his parents locked him in a room without window for fighting with his brother.
original_ending: A bird was flying in the distance. It landed on his food. Arnold screamed in terror!
edited_ending: There were no birds nearby.He was all alone.He screamed in terror!<SEP>A bird was flying in his room.It landed on his foot.Arnold screamed in terror!<SEP>A bird was in the closet somehow.It landed on his desk.Arnold screamed in terror!