Task: Story Composition
Input (English): Premise: Stan bought a new lava lamp. 
 Initial Context: It was really neat looking for a day. 
 Original Ending: After that Stan noticed that the bulb burned out. He tried to replace it. But he wound up returning it instead. 
 Counterfactual Context: It was broken and never turned on.
Output (English): After that Stan noticed that the bulb burned out. He tried to replace it. But he wound up returning it instead.