Task: Story Composition
Input (English): Premise: The family went to the museum. 
 Initial Context: They were disappointed to see the planetarium closed. 
 Original Ending: They asked a curator when it would open. The curator told them 4PM. They were relieved to hear this. 
 Counterfactual Context: They were excited to see the planetarium open.
Output (English): They came early so they asked a curator when it would open. The curator told them 4PM. They were relieved to hear this.