Task: Story Composition
Input (English): Premise: Sam's parents opposed the idea of having a family pet. 
 Initial Context: When a stray kitten showed up, Sam tried to keep it a secret. 
 Original Ending: For a week, he kept the kitten in a box under his bed. Sam's mom found the kitten while he was in school. When Sam came home, the kitten was sleeping in a new pet bed. 
 New ending: For a week, he kept the puppy in a box under his bed. Sam's mom found the Sam's mom found the kitten while he was in school. while he was in school. When Sam came home, the puppy was sleeping in a new pet bed. 
Output (English): When a stray puppy showed up, Sam tried to keep it a secret.