Task: Story Composition
Input (English): Premise: Harry and his friends went to see a scary movie. 
 Initial Context: They were scared and jumped in their seats at a few points. 
 Original Ending: After the movie, they played some video games in the lobby. They got some more candy at the counter. They drove home. 
 Counterfactual Context: They got so bored that they left halfway through and started home.
Output (English): Before they left, they played some video games in the lobby. They got some more candy at the counter. They drove home.