Task: Story Composition
Input (English): Premise: While John was taking a walk, he witnessed an unusual sight. 
 Initial Context: He saw something fall from a tree. 
 Original Ending: It was a newborn squirrel, now writhing helplessly on the ground. Then another one dropped to the ground! Feeling helpless, he wished he could do something. 
 New ending: It was a newborn kitten, now running scared on the ground. Then another snake dropped to the ground! Feeling helpless, John wished he knew how to help the kitten. 
Output (English): He watched as a snake chased a cat around a tree.