Task: Story Composition
Input (English): Premise: Mary went to a store. 
 Initial Context: Mom told her to buy four things. 
 Original Ending: In the store she could not remember what the fourth thing was. She had to call her mom. She told her to buy butter. 
 New ending: In the store she could not remember what her mom asked her to buy. She had to call her mom. She told her to buy butter. 
Output (English): Mom told her to buy just one thing.