Task: Story Composition
Input (English): Premise: I went to the dirt bike track one day. 
 Initial Context: I bought a trailer and a four wheeler. 
 Original Ending: I unloaded the four wheeler and put on my helmet. I rode through the track and had fun. I went back to the trailer and went back home. 
 Counterfactual Context: I saw a lot of trailers and four wheelers.
Output (English): I decided to unloaded the four wheeler and put on my helmet. I rode through the track and had fun. I went back to the trailer and went back home.