Task: Story Composition
Input (English): Premise: One time I went fishing with my dad. 
 Initial Context: We weren't catching anything exciting the whole time. 
 Original Ending: Suddenly I had a yank on my line! I was very excited and reeled the fish in. We went home happy that day. 
 Counterfactual Context: We never caught anything.
Output (English): Suddenly I had a yank on my line! I was very excited except the fish got away. We went home disappointed that day.