Detailed Instructions: Given a premise, an initial context, an original ending, and a counterfactual context, the task is to generate a new story ending aligned with the counterfactual context and as close to the original ending as possible. Each instance consists of a five-sentence story. The premise is the first sentence of a story, and the second sentence, which is the initial context, provides more information about the story's context and the story's general plot. The original ending is the last three sentences of the story. Also, a counterfactual context is a slight modification to the initial context. You should write a new story ending that edits the original story ending as little as possible to regain coherence with the counterfactual context. To sum up, you should write the last three sentences of a story based on the premise(first sentence) and the counterfactual context(second sentence) of the story.
Problem:Premise: For Valentine's Day, my husband surprised me with a new puppy. 
 Initial Context: She was an eight week old fawn pug. 
 Original Ending: She was short and pudgy, and loved running around the room. She begged for a piece of pumpkin pie when I first met her. Because of this, I named her Pumpkin. 
 Counterfactual Context: She was an eight week old St. Bernard with huge paws already.
Solution:
She was long and pudgy, and loved running around the room. She begged for a piece of pumpkin pie when I first met her. Because of this, I named her Pumpkin. 