Task: Story Composition
Input (English): Premise: Tommy's father is a famous basketball player. 
 Initial Context: Tommy wants to be good at basketball too. 
 Original Ending: Tommy practices everyday after school. Tommy becomes very good at basketball. Tommy and his dad now play basketball all the time. 
 Counterfactual Context: Tommy wants to do well in school.
Output (English): Tommy studies everyday after school. Tommy becomes very good at math. Tommy's dad is sad he doesn't play basketball all the time.