Task: Story Composition
Input (English): Premise: Robbie wanted a pet cat. 
 Initial Context: His parents took him to the Humane Society to choose one. 
 Original Ending: Robbie looked at all of the cats in the cages. Finally, he chose a black and grey cat. Robbie and his parents took the new pet cat home. 
 New ending: Robbie would walk to the Humane Society and look at the cats in the cages. His favorite was a black and grey cat. Robbie's parents surprised him by bringing the new cat home. 
Output (English): Robbie never did get a cat.