Task: Story Composition
Input (English): Premise: Gary saw an advertisement for a new chocolate shop. 
 Initial Context: He got into his car and went to the shop. 
 Original Ending: He saw the shelves were loaded with all different types of chocolate. But the prices were way too expensive for his tastes. Gary decided to not buy anything and return home. 
 Counterfactual Context: He got into his car and got stuck in traffic.
Output (English): It took him twice as long as it should to get to the shop. But the prices were way too expensive for his tastes. Gary decided to not buy anything and return home.