Task: Story Composition
Input (English): Premise: Don showed up for his clarinet lesson. 
 Initial Context: He forgot to bring his music. 
 Original Ending: A teacher told him to play some scales. Don really was not ready for that. After that they played some duets with teacher. 
 New ending: A teacher told him to play some scales. Don really was not able to. After she loaned him one they played some duets with teacher. 
Output (English): He forgot to bring his clarinet.