Task: Story Composition
Input (English): Premise: Marnie was having trouble with her homework. 
 Initial Context: She was stuck on a hard question. 
 Original Ending: She went into her class after school. There, she asked her teacher for help. Luckily, her teacher was able to explain it well. 
 Counterfactual Context: She had brought home the wrong book.
Output (English): She went into her class after school. There, she found the right book. Luckily, she was able to finish her homework.