Task: Story Composition
Input (English): Premise: Mark was never afraid of dogs. 
 Initial Context: One day he was taking a walk. 
 Original Ending: A large stray dog chased him down and bit his leg. Mark was severely injured. From then on he became more cautious around dogs. 
 New ending: A large stray dog chased him down and growled at him. Mark was severely anxious. From then on he became more cautious around dogs. 
Output (English): One day he was watching a dog through the window as he sat in his car.