Task: Story Composition
Input (English): Premise: Francisco wants to be ready for his sister's upcoming birthday. 
 Initial Context: He decides that it will be special to bake her a cake. 
 Original Ending: He gathers ingredients and studies the recipe. Finally he bakes a delicious cake for his sister. Francisco is so happy he was ready for his sister's birthday. 
 New ending: He goes to the store and looks for a good one. Finally he chooses a delicious cake for his sister. Francisco is so happy he was ready for his sister's birthday. 
Output (English): He decides that it will be special to buy her a cake.