Task: Story Composition
Input (English): Premise: Ben walked through the supermarket and found the rice aisle. 
 Initial Context: A bag on sale half off caught his eye. 
 Original Ending: Ben bought two and put them in his cart. He took his cart right away to the cashier. The cashier remarked that he must like rice. 
 New ending: Ben then bought two bags of potatoes and put them in his cart. He took his cart right away to the cashier. The cashier remarked that he must like potatoes. 
Output (English): Ben only put one bag in his cart.