Task: Story Composition
Input (English): Premise: Nelson loved baking birthday cakes. 
 Initial Context: Yesterday he made a cake for Harriet's best friend Carolyn. 
 Original Ending: Nelson Whipped up a tasty chocolate cake batter. However he forgot to grease the cake pans before baking the cakes. Sadly the cakes stuck to the bottom of the cake pans. 
 New ending: Nelson Whipped up a tasty chocolate pie batter. However he forgot to grease the cake pans before baking the pie. Sadly the pie stuck to the bottom of the cake pans. 
Output (English): He decided to make pie for his friend this year.