Task: Story Composition
Input (English): Premise: Aya did not know how to swim. 
 Initial Context: She decided to sign up for a local class. 
 Original Ending: There, they taught her basics like dog-paddling. Then she advanced to breast strokes and butterflies. Soon, Aya was swimming like an expert! 
 Counterfactual Context: Her mom started teaching her in their family's pool.
Output (English): There, they taught her basics like dog-paddling. Then she advanced to breast strokes and butterflies. Soon, Aya was swimming like an expert!