premise: There was a mysterious sound from Bob's basement.
initial: He took went to the steps and flicked the light.
counterfactual: He took went to the steps and fell down the stairs.
original_ending: The bulb flickered on and then off quickly. Bob gave up on the light and went down to investigate. It was very dark and spooky.
edited_ending: The bulb flickered on and then off quickly.Bob gave up on the light and went up to check if he got any injuries.It was very dark and spooky.<SEP>The bulb flickered on and then off quickly.Bob could not turn on the light and went down stairs too fast.It was very dark and spooky.<SEP>The bulb flickered on and then off quickly.Bob gave up on the light and got to his feet.It was very dark and spooky, and he was hurt.