Task: Story Composition
Input (English): Premise: The mother decided she would take her children to the park. 
 Initial Context: They participated in a program about sea turtles. 
 Original Ending: At night they gathered for a talk about the turtles. The ranger got a call about a turtle on the beach. They all raced together to watch the turtle lay eggs on the beach. 
 Counterfactual Context: They didn't participate in a program about sea turtles.
Output (English): Instead, at night they gathered for a talk about sea lions. The ranger got a call about a sea lion on the beach. They all raced together to watch the sea lion give birth on the beach.