Task: Story Composition
Input (English): Premise: Rosemary had been begging her mom for a pet. 
 Initial Context: She however didn't know what pet she wanted. 
 Original Ending: At the pet store she looked at dogs, cats, birds, and fish. Rosemary was on the verge of leaving when an animal caught her eye. See found out it was a hamster and she ended up naming it speedy. 
 New ending: She still went to the pet store to look at dogs, cats, birds, and fish. Rosemary was on the verge of leaving when an animal caught her eye. See found out it was a hamster and she wished she could have adopted it and named it speedy. 
Output (English): She knew her mom wouldn't let her have one.