Task: Story Composition
Input (English): Premise: Brandon decided to go to the aquarium. 
 Initial Context: He saw a wide variety of fish and sea creatures. 
 Original Ending: His favorite part was petting a stingray. In addition, there was a display about keeping the oceans clean. Brandon learned a great deal that day. 
 Counterfactual Context: He saw a wide variety of fish but was disappointed when there were no stingrays.
Output (English): His favorite part was seeing the sharks. In addition, there was a display about keeping the oceans clean Brandon learned a great deal that day.