Task: Story Composition
Input (English): Premise: Cathy was riding her bike through her neighborhood. 
 Initial Context: Suddenly, she noticed a garage sale. 
 Original Ending: She decided to check it out. At the sale, she found an awesome bike basket. She bought it and put it on her bike. 
 New ending: She decided to check it out. At the corner, she saw the robber taking a bike basket. She screamed, the robber dropped it and she put it on back on the victim's bike. 
Output (English): Suddenly, she noticed someone mugging another person.