Task: Story Composition
Input (English): Premise: Today was Ellie's birthday. 
 Initial Context: Her father told her he had a special present for her. 
 Original Ending: He took her into the living room where a puppy was waiting. Ellie was so happy with her birthday present! She had always wanted a dog. 
 Counterfactual Context: Her father told her he got her plane tickets to Spain.
Output (English): He took her into the living room where a new luggage bag was placed. Ellie was so happy with her birthday present! She had always wanted to go to Spain.