Task: Story Composition
Input (English): Premise: Kate was going to make her famous chicken casserole for a party. 
 Initial Context: Just as she started, she saw that the chicken had gone bad. 
 Original Ending: She substituted tofu for the chicken in the recipe. She served the tofu casserole at the event. Everyone thought it was great and couldn't tell the difference. 
 New ending: She had marinated the chicken overnight like in the recipe. She served the chicken casserole at the event. Everyone thought it was great. 
Output (English): Just as she started, she saw that the chicken had gone well.