Task: Story Composition
Input (English): Premise: Bob really wanted a pet for Christmas! 
 Initial Context: But his mom was allergic to cats and dogs. 
 Original Ending: And his dad was afraid of lizards and snakes! On Christmas morning, Bob wasn't very hopeful. But there, under the tree, was a big new fish tank! 
 New ending: And his dad was afraid of animals. On Christmas morning, Bob wasn't very hopeful. But there, under the tree, was a big new fish tank! 
Output (English): But his mom forbade him from ever having any type of pet.