Task: Story Composition
Input (English): Premise: Heidi worked at a clothing store in the mall. 
 Initial Context: She was usually very sour at work, especially when helping customers. 
 Original Ending: One day, Heidi had to help a young woman with a purchase. The woman was very nice despite how Heidi was treating her. Heidi was surprised, and realized that she needed to be nicer at work. 
 New ending: One day, Heidi had to help a young woman with a purchase. The woman was very nice because of how Heidi was treating her. Heidi was glad, and was proud that she was always nice at work. 
Output (English): Heidi was always very friendly when assisting customers.