Task: Story Composition
Input (English): Premise: Meg's company instituted a generous maternity leave. 
 Initial Context: She joked to co-workers that she'd be starting a family now. 
 Original Ending: The next week, Meg heard her co-workers planning a baby shower. When she didn't get an invitation, Meg was miffed. Meg felt mortified when the shower recipient turned out to be her. 
 Counterfactual Context: She joked to co-workers that she'd never get pregnant ever.
Output (English): The next week, Meg surprisingly got pregnant. Her co-workers laughed at her. Meg was embarrassed.