Task: Story Composition
Input (English): Premise: A boy seemed to not be as happy as he should be. 
 Initial Context: His parents noticed this and bought him a dog. 
 Original Ending: The parents saw the boys overall happiness level increase. They partially attributed this to the dog. The parents, their kid, and dog were one happy family. 
 New ending: The parents saw the boys overall happiness level increase. They partially attributed this to the bike. The parents, their kid, and bike were one happy family. 
Output (English): His parents noticed this and bought him a new bike.