Task: Story Composition
Input (English): Premise: Dan played cars with his brother Rob. 
 Initial Context: They had a new Hot Wheels track set. 
 Original Ending: There were 10 cars they could choose from. The boys both wanted the same car. Their mother threw the car away to stop the fighting. 
 Counterfactual Context: They always had the same set of cars.
Output (English): There were 10 cars they could choose from. The boys both wanted the same car. Their mother threw the car away to stop the fighting, so now they only had nine cars.