Task: Story Composition
Input (English): Premise: David had never experienced a big sting. 
 Initial Context: He thought that bee stings were no big deal. 
 Original Ending: One day he was mowing the lawn and a wasp stung him in the shoulder. The pain was shocking to the extreme. David now understood why people feared bee stings. 
 Counterfactual Context: He always thought that bee stings were a big deal.
Output (English): One day he was mowing the lawn and a wasp stung him in the shoulder. The pain was shocking to the extreme. David now remembered why he feared bee stings.