Task: Story Composition
Input (English): Premise: Last week I went on a fun beach trip. 
 Initial Context: I went there with all my friends. 
 Original Ending: I bought a really tasty sandwich with me. I dropped it and it fell in the sand. My sandy sandwich didn't taste good anymore. 
 Counterfactual Context: I tried to learn to surf.
Output (English): After surfing, I bought a really tasty sandwich to eat. I dropped it while eating and it fell in the sand. My sandy sandwich didn't taste good anymore.