Task: Story Composition
Input (English): Premise: Maria wanted to learn how to swim. 
 Initial Context: She asked her mother to sign her up for swimming lessons. 
 Original Ending: Her mom signed her up and she began taking classes. Maria got better and better at swimming. She became the best in her class. 
 Counterfactual Context: Her mom said lessons were too expensive.
Output (English): Her mom decided to teach her. Maria got better and better at swimming. She became the best among her friends.