Task: Story Composition
Input (English): Premise: Kate's sister wanted them to have matching butterfly robes. 
 Initial Context: But the butterfly robes were sold out. 
 Original Ending: Kate didn't want the frog one they had in stock. But her sister wanted her to have one. So Kate went ahead and bought the ugly frog robe. 
 Counterfactual Context: The butterfly robes were available at the store.
Output (English): Kate didn't want the frog one they had in stock. But her sister wanted her to have one. So Kate went ahead and bought the ugly frog robe.