Task: Story Composition
Input (English): Premise: Johnny just turned 5 yesterday. 
 Initial Context: For his birthday he wanted a puppy. 
 Original Ending: At the pet store, Johnny saw a chocolate lab he liked. His parents paid for the puppy. They took their new dog home to join the family. 
 New ending: At the pet store, Johnny saw a Persian cat he liked. His parents paid for the kitty. They took their new cat home to join the family. 
Output (English): His mom got him a kitten.