Task: Story Composition
Input (English): Premise: David delivers pizza to an old man. 
 Initial Context: The man is upset the pizza was late. 
 Original Ending: David tries to convince the man he's senile. The pizza was truly 20 minutes late. David fails and receives no tip. 
 Counterfactual Context: The man gave David a huge tip.
Output (English): David thanks the man. The pizza was on time, so he appreciated the tip. David was happy to receive the huge tip.