Task: Story Composition
Input (English): Premise: Allie was walking with her friends. 
 Initial Context: All of the sudden her button fell off. 
 Original Ending: She could not find it. Allie looked all over. Finally she found it. 
 Counterfactual Context: Suddenly the sky began to turn gray.
Output (English): They needed an umbrella right away! Allie looked all over. Finally she found one.