Task: Story Composition
Input (English): Premise: My neighbors have a grey cat which mostly stays outside. 
 Initial Context: I had put a bird feeder in a tree I could see from inside my house. 
 Original Ending: I was watching the birds feed when they suddenly all flew away. Then I saw the neighbor's cat hiding behind the tree. It had tried to catch a bird but they were all too quick for it. 
 Counterfactual Context: I had put a cat-safe bird feeder on a pole surrounded by our koi pond.
Output (English): I was watching the birds feed and enjoy themselves. Then I saw the neighbor's cat hiding behind the tree. It was staring on in jealousy because it could not do anything.