Given a premise, an initial context, an original ending, and a counterfactual context, the task is to generate a new story ending aligned with the counterfactual context and as close to the original ending as possible. Each instance consists of a five-sentence story. The premise is the first sentence of a story, and the second sentence, which is the initial context, provides more information about the story's context and the story's general plot. The original ending is the last three sentences of the story. Also, a counterfactual context is a slight modification to the initial context. You should write a new story ending that edits the original story ending as little as possible to regain coherence with the counterfactual context. To sum up, you should write the last three sentences of a story based on the premise(first sentence) and the counterfactual context(second sentence) of the story.

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.
The next week, Meg surprisingly got pregnant. Her co-workers laughed at her. Meg was embarrassed. 