Task: Story Composition
Input (English): Premise: Cam ran across the beach and dove into the ocean. 
 Initial Context: The cool water felt good to him as he swam. 
 Original Ending: When Cam was neck deep in water he felt something on his leg. A jellyfish had stung Cam! He winced in pain and slowly Came swam back ashore. 
 Counterfactual Context: He quickly swam back to shore.
Output (English): When Cam was neck deep in water he felt something on his leg. A jellyfish had stung Cam! He winced in pain and slowly Came swam back ashore.