Task: Story Composition
Input (English): Premise: Amy and her class were having an ice cream party. 
 Initial Context: But she was lactose intolerant. 
 Original Ending: So she felt excluded. After school, everyone talked about how great the ice cream party was. And Amy felt sad. 
 Counterfactual Context: But she decided to eat chocolates.
Output (English): She didn't like ice cream so she felt excluded. After school, everyone talked about how great the ice cream party was And Amy felt sad.