Task: Story Composition
Input (English): Premise: Gary had never been grocery shopping before. 
 Initial Context: He stared down at the long list of items in his hand. 
 Original Ending: He wondered why his mom needed so many things for this party. After two hours of walking around, he finally had everything. Once he arrived at the checkout he realized he'd forgotten his wallet. 
 New ending: The store employees chased after him. Gary was so embarassed. He realized he forgot to pay. 
Output (English): He walked out of the supermarket with everything in his shopping cart.