Task: Story Composition
Input (English): Premise: One day I decided I wanted to build a new computer. 
 Initial Context: I researched all the parts that I might want. 
 Original Ending: John asked me if I needed any help buying them but I said no. When the parts arrived I was very excited about it. I started to build the computer and it when it was done I was proud! 
 Counterfactual Context: I already had all the parts that I might want.
Output (English): John asked me if I needed any help building the new computer, I said no. As I assembled the parts of the computer, I was very excited about it. I built the computer myself and it when it was done I was proud!