Task: Story Composition
Input (English): Premise: I was going to attend a potluck and wanted to bring a family recipe. 
 Initial Context: I chose my grandma's mac n cheese but I didn't know how to make it. 
 Original Ending: My grandma had me come over and she taught me her recipe. Everyone loved the mac n cheese. My grandma's recipe is now the only mac n cheese that I make. 
 Counterfactual Context: I ended up bringing store bought mac and cheese because my grandma was dead and I couldnt get her recipe.
Output (English): My grandma can't come over to teach me her recipe. Everyone loved the mac n cheese I bought. This mac and cheese is now the only mac n cheese that buy.