Task: Story Composition
Input (English): Premise: John considers himself a pizza enthusiast. 
 Initial Context: John tried to eat at every new pizza place that opens. 
 Original Ending: John has been trying out new pizza places twice a week. John realized he could not fit into his clothes anymore. John didn't realize all the pizza he was consuming made him fat. 
 Counterfactual Context: John could no longer eat every new pizza because he was diagnosed with celiac.
Output (English): John has been trying out new Gluten Free pizza places twice a week. John realized he could not fit into his clothes anymore. John didn't realize all the pizza he was consuming made him fat.