This post is part of a series on Writing with GenAI. These posts offer quick ideas, lesson plans, and examples of ways to use multimodal Generative AI writing tools to augment, but not replace, writing in a variety of forms and purposes.
Inspired by a post by CEO of The Atlantic Nicholas Thompson, this quick GenAI writing activity leans into the fact that Large Language Models like GPT by definition produce predictable writing. Thompson reflects on a comment from one of the writers of Mr Robot, who at a recent conference suggested that you can use tools like ChatGPT to suggest endings or plot elements for a narrative you’re working on, and then do the opposite.
It’s a great idea, since it acknowledges both the tendency of LLMs to produce generic texts, and offers a way to avoid inadvertently plagiarising from suggestions which may bubble to the surface from within the dataset.
Here’s how it might look in a lesson on creative writing, starting with the first prompt:
Here is a summary of my short gothic story so far. Suggest five possible endings:
In the early chapters of our story, we are introduced to Dr. Eleanor Sinclair, a brilliant archaeologist who inherits an eerie, long-forgotten mansion nestled in the remote, mist-shrouded town of Blackwood Hollow. Motivated by her fascination with the mansion’s historical significance, she relocates there with the intention of unearthing its secrets.
Upon her arrival, Eleanor encounters a cast of intriguing secondary characters, including the reclusive town historian, Professor Augustus Blackwood, and the enigmatic librarian, Evelyn Thorne. Each of them holds their own hidden agendas and peculiarities, adding to the mysterious atmosphere that surrounds the mansion. As Eleanor delves deeper into her exploration of the mansion and its surrounding grounds, she uncovers a series of unsettling events—a hidden chamber filled with ancient diaries and cryptic artefacts that allude to a dark and tragic history.
The tension escalates as she experiences eerie encounters with spectral apparitions, haunting dreams that blur the line between past and present, and the unexplained disappearances of townsfolk. Simultaneously, a malevolent force emerges as the primary antagonist: the vengeful spirit of Lady Isabella Blackwood, whose tragic fate is tied to the mansion’s past. Eleanor grapples with personal revelations and moral dilemmas as she unravels the gothic elements of the tale, leading to a climactic confrontation with the vengeful spirit. The conflict intensifies, placing Eleanor in increasingly perilous situations as she seeks to uncover the truth and put an end to the haunting presence that looms over Blackwood Hollow.
Prompt for ChatGPT version 3.5
And the response:

So far, so generic. Even the “twist” is pretty typical (although I admit I haven’t done myself any favours by trying this with one of the most formulaic genres possible…)
Now we have our generic responses, however, it’s time to identify some alternatives, using our own imagination:
- Eleanor helps Lady Isabella find peace and stays in Blackwood Hollow. Maybe Eleanor tries to help LI find peace, but despite her best intentions everything goes horribly, tragically wrong…
- Eleanor makes a sacrifice to end the haunting. Eleanor’s sacrifice is noble, but ultimately fails to rid the town of the haunting, ending on a desperate, tragic note.
- The mystery remains unsolved, and Eleanor leaves town. Eleanor stays in town and becomes increasingly unhinged, to the point where both the townspeople and the reader are left wondering whether she was ever a reliable narrator.
- The haunting in Blackwood Hollow continues, leaving Eleanor scarred. The haunting dissipates through no action of Eleanor’s, leaving us wondering if it was ever real in the first place.
- Eleanor discovers she is a manifestation of Lady Isabella’s spirit, facing a choice about her identity. OK I actually quite like this one, but in the spirit of opposite day (no pun intended…), a frame narrative suggests that Lady Isabella is a manifestation of Eleanor’s personality, and we are left questioning the identities of the protagonist and the spirit.
You can see it’s not a huge stretch to come up with opposite ideas, but trying out the process is fun and creates some interesting options. You could also blend some of these together, or keep generating more and more options and trying to come up with opposites for each.
Here’s another example with persuasive writing:
I’m writing a persuasive text about ending daylight savings, suggest five arguments
Prompt for ChatGPT version 3.5

Next, try to think of opposites for all of these. This could be just to create counterarguments, or it could be to create supporting arguments which take a different, more novel approach. For example you could argue that the energy savings are still relevant, but that increased productivity would outweigh those benefits. Try to poke some holes in these ChatGPT generated arguments in the interest of creating a stronger overall persuasive piece.
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