Task: Story Composition
Input (English): Premise: Tim needed help with his homework. 
 Initial Context: He asked his brother John to help him. 
 Original Ending: John told Tim that he couldn't help him right now. John was busy playing video games. Tim ended up failing his homework. 
 New ending: John told Tim that he could help him with anything he needed. John would have rather been playing video games. Tim ended up failing his homework. 
Output (English): Tim's brother John offered to help.