premise: Every morning, a bird woke Fred up for work at 6 AM.
initial: Fred began to like the bird.
counterfactual: Fred became annoyed with the bird.
original_ending: And he enjoyed the sound of its singing. One day, the bird no longer sang. He hoped nothing bad had happened to the bird.
edited_ending: And he hated the sound of its singing.One day, the bird no longer sang.He hoped something bad had happened to the bird.<SEP>And he hated the sound of its singing.One day, the bird no longer sang.He hoped something bad had happened to the bird.<SEP>And he did not enjoy the sound of its singing.One day, the bird no longer sang.He wondered if something had happened to the bird.