Task: Story Composition
Input (English): Premise: Cassidy was at a pizza place with her family. 
 Initial Context: They were ordering and chatting with the waiter. 
 Original Ending: During the conversation, Cassidy mentioned that it was her birthday. The waiter congratulated her and then left with their orders. When he came back, he surprised her with a free birthday pizza. 
 Counterfactual Context: They were sitting quietly.
Output (English): Breaking the silence, Cassidy mentioned that it was her birthday. The waiter congratulated her and then left with their orders. When he came back, he surprised her with a free birthday pizza.