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: Bill and Jan decided that they want to live off the grid. 
 Initial Context: So they buy a shipping container. 
 Original Ending: They convert it into a solar powered home. When it is finished it costs less than $15,000. They are able to save a lot more money with no mortgage to pay. 
 Counterfactual Context: So they buy a solar powered home.
Solution:
They make sure it's a renewable-energy home. When it is finished it costs more than $15,000. They are able to save a lot more money with no electric to pay. 