Task: Story Composition
Input (English): Premise: Matthew ran to his friends house. 
 Initial Context: His friend wasn't home. 
 Original Ending: Matthew had lunch with his friend's dad. His friend came home while they were eating. Matthew's friend laughed in surprise in seeing Matthew at his home. 
 Counterfactual Context: His friend had fallen ill and he wanted to help.
Output (English): Matthew had lunch with his sick friend. His friend stayed in bed while they were eating. Matthew's friend laughed in surprise in seeing Matthew eat so fast.