Task: Story Composition
Input (English): Premise: Jake was walking his dog. 
 Initial Context: His dog started to bark really loudly. 
 Original Ending: His dog had seen a squirrel. Jake lost control of the leash. His dog chased away at the squirrel afterwards. 
 Counterfactual Context: His dog was blind.
Output (English): His dog had heard a squirrel. Jake lost control of the leash. His dog chased away at the squirrel afterwards.