Task: Story Composition
Input (English): Premise: Stan decides he needs more sporting equipment. 
 Initial Context: He goes to the store to find something nice. 
 Original Ending: Stan buys a baseball. When he gets home he puts the baseball on his mantle. Stan is glad he bought some sporting equipment. 
 New ending: Stan buys a baseball instead. When he gets home he puts the baseball on his mantle. Stan is glad he bought some sporting equipment. 
Output (English): He goes to the store to find a football.