Task: Story Composition
Input (English): Premise: Brandon always wanted to ride a train. 
 Initial Context: He told his parents to take him on a ride. 
 Original Ending: His parents said okay we will take you. His parents took him on a train ride. Brandon loved every minute of it. 
 Counterfactual Context: His grandfather offered to take him on a ride.
Output (English): His parents said okay that's fine. His grandfather took him on a train ride. Brandon loved every minute of it.