Task: Story Composition
Input (English): Premise: My friend Joann did not like chocolate growing up. 
 Initial Context: She liked white chocolate only. 
 Original Ending: She started changing after she got pregnant. She developed a craving for dark chocolate. Now she does not like white chocolate! 
 Counterfactual Context: She liked dark chocolate only.
Output (English): She started changing after she got pregnant. She developed a craving for white chocolate. Now she does not like dark chocolate!