Task: Story Composition
Input (English): Premise: Jane and Alice were sisters. 
 Initial Context: One day they were riding their bikes. 
 Original Ending: Jane lost her balance and fell over. Alice helped her up. Jane was scared but she was okay. 
 New ending: Jane tripped on a rock and fell over. Alice helped her up. Jane was scared but she was okay. 
Output (English): One day they were taking a walk.