Task: Story Composition
Input (English): Premise: Nala was at a family picnic. 
 Initial Context: A bee approached her drink, and she shooed it away. 
 Original Ending: But the bee stung her! Nala's arm immediately began to swell. That was how she discovered she was allergic to bees. 
 Counterfactual Context: A stray dog approached her.
Output (English): But the dog bit her! Nala's arm immediately began to swell. That was how she discovered she was scared of dogs.