data/ai_eval_samples.py

"""Out-of-domain labelled eval set for the AI detector.

Deliberately NOT HC3 (the thing the meta-classifier was trained on). These are
the kinds of text the tool actually sees: ChatGPT-style essays/abstracts on the
AI side, and personal/academic/literary prose on the human side. All samples
are >=8 sentences / >=80 tokens so every one of the 7 detectors fires and the
meta_hc3 path runs (not the hand-fusion fallback).

label: 1 = AI-generated, 0 = human.
"""

SAMPLES = [
    # ============================ AI (label 1) ============================
    ("ai_essay_ai", 1,
     "In today's rapidly evolving digital landscape, artificial intelligence "
     "plays a crucial role in reshaping how organizations operate. It is "
     "important to note that machine learning algorithms leverage vast amounts "
     "of data to deliver actionable insights. Furthermore, these systems "
     "seamlessly integrate into existing workflows, fostering unprecedented "
     "efficiency. Moreover, the adoption of robust frameworks underscores the "
     "significant implications of this technological shift. Additionally, "
     "businesses must navigate the complexities of implementation to fully "
     "harness the potential of these tools. Notably, the multifaceted benefits "
     "extend beyond automation to strategic decision-making. In conclusion, "
     "harnessing artificial intelligence represents a holistic transformation "
     "that will define the future of industry for generations to come."),

    ("ai_essay_climate", 1,
     "Climate change represents one of the most pressing challenges of our "
     "time. It is important to note that rising global temperatures have "
     "far-reaching consequences for ecosystems worldwide. Furthermore, the "
     "melting of polar ice caps contributes significantly to rising sea "
     "levels. Moreover, extreme weather events are becoming increasingly "
     "frequent and severe. Additionally, biodiversity is being disrupted at "
     "an alarming rate across multiple regions. Notably, vulnerable "
     "communities bear a disproportionate burden of these impacts. In "
     "conclusion, addressing climate change requires a comprehensive and "
     "coordinated global effort to ensure a sustainable future for "
     "generations to come."),

    ("ai_essay_education", 1,
     "Education plays a vital role in shaping the future of society. In "
     "today's interconnected world, it is important to note that access to "
     "quality learning opportunities remains uneven. Furthermore, technology "
     "has the potential to democratize education on an unprecedented scale. "
     "Moreover, personalized learning platforms leverage data to tailor "
     "instruction to individual needs. Additionally, educators must adapt to "
     "this ever-evolving landscape to remain effective. Notably, lifelong "
     "learning has become essential in a rapidly changing economy. In "
     "conclusion, embracing innovation in education paves the way for a more "
     "equitable and prosperous future."),

    ("ai_abstract_ml", 1,
     "This study explores the transformative impact of deep learning on modern "
     "computer vision systems. It is important to note that convolutional "
     "architectures have revolutionized image recognition tasks. Furthermore, "
     "the proposed framework leverages attention mechanisms to enhance feature "
     "extraction. Moreover, extensive experiments demonstrate the robustness "
     "of the approach across diverse datasets. Additionally, the results "
     "underscore significant improvements in both accuracy and efficiency. "
     "Notably, the model seamlessly generalizes to previously unseen domains. "
     "In conclusion, this comprehensive analysis highlights the potential of "
     "intelligent systems to drive innovation in the field."),

    ("ai_essay_health", 1,
     "Maintaining a healthy lifestyle is essential for overall well-being. It "
     "is important to note that regular physical activity plays a crucial role "
     "in preventing chronic disease. Furthermore, a balanced diet provides the "
     "essential nutrients the body needs to function optimally. Moreover, "
     "adequate sleep is fundamental to both physical and mental health. "
     "Additionally, managing stress through mindfulness can significantly "
     "improve quality of life. Notably, small consistent changes often yield "
     "the most sustainable results. In conclusion, adopting a holistic "
     "approach to health empowers individuals to lead fuller, more vibrant "
     "lives."),

    ("ai_essay_remote", 1,
     "Remote work has fundamentally transformed the modern professional "
     "landscape. It is important to note that flexible arrangements offer "
     "employees unprecedented autonomy. Furthermore, organizations can access "
     "a global talent pool unconstrained by geography. Moreover, digital "
     "collaboration tools seamlessly bridge the gap between distributed teams. "
     "Additionally, companies must navigate the complexities of maintaining "
     "culture in a virtual environment. Notably, the boundary between work and "
     "personal life requires careful management. In conclusion, embracing "
     "remote work thoughtfully paves the way for a more adaptable and "
     "resilient workforce."),

    ("ai_essay_social", 1,
     "Social media has become an integral part of contemporary communication. "
     "It is important to note that these platforms connect billions of people "
     "across the globe. Furthermore, they empower individuals to share ideas "
     "and mobilize communities. Moreover, businesses leverage social channels "
     "to engage audiences in meaningful ways. Additionally, concerns regarding "
     "privacy and misinformation continue to grow. Notably, the psychological "
     "impact on younger users warrants careful consideration. In conclusion, "
     "harnessing the benefits of social media while mitigating its risks "
     "remains a critical challenge for society."),

    ("ai_essay_finance", 1,
     "Personal financial management is a cornerstone of long-term stability. "
     "It is important to note that budgeting forms the foundation of sound "
     "financial planning. Furthermore, building an emergency fund provides a "
     "crucial safety net against unforeseen circumstances. Moreover, "
     "diversified investments leverage the power of compounding over time. "
     "Additionally, individuals must navigate the complexities of debt "
     "management carefully. Notably, financial literacy empowers people to "
     "make informed decisions. In conclusion, adopting disciplined financial "
     "habits paves the way for lasting security and peace of mind."),

    ("ai_essay_urban", 1,
     "Urbanization is reshaping the way societies live and interact. It is "
     "important to note that cities are expanding at an unprecedented pace "
     "worldwide. Furthermore, sustainable infrastructure plays a crucial role "
     "in accommodating growing populations. Moreover, smart technologies "
     "seamlessly optimize the management of urban resources. Additionally, "
     "planners must navigate the complexities of balancing growth with "
     "livability. Notably, green spaces contribute significantly to residents' "
     "well-being. In conclusion, embracing thoughtful urban design fosters "
     "resilient and inclusive communities for the future."),

    ("ai_essay_nutrition", 1,
     "Proper nutrition is fundamental to sustaining human health and vitality. "
     "It is important to note that macronutrients provide the energy the body "
     "requires daily. Furthermore, micronutrients play a crucial role in "
     "supporting essential biological processes. Moreover, hydration "
     "significantly influences both cognitive and physical performance. "
     "Additionally, mindful eating fosters a healthier relationship with food. "
     "Notably, dietary needs vary considerably across individuals. In "
     "conclusion, embracing a balanced and informed approach to nutrition "
     "underscores the path to lasting wellness."),

    ("ai_essay_space", 1,
     "Space exploration continues to capture the imagination of humanity. It "
     "is important to note that recent advances have dramatically reduced the "
     "cost of reaching orbit. Furthermore, reusable rocket technology "
     "leverages engineering innovation to enable frequent launches. Moreover, "
     "international collaboration fosters unprecedented scientific discovery. "
     "Additionally, ambitious missions seek to establish a sustained human "
     "presence beyond Earth. Notably, these endeavors inspire new generations "
     "of scientists and engineers. In conclusion, harnessing the potential of "
     "space exploration paves the way for a remarkable future among the "
     "stars."),

    ("ai_essay_ethics", 1,
     "The ethics of artificial intelligence has emerged as a critical area of "
     "inquiry. It is important to note that algorithmic decisions increasingly "
     "shape everyday life. Furthermore, questions of fairness and bias demand "
     "careful scrutiny. Moreover, transparency plays a crucial role in "
     "building public trust. Additionally, developers must navigate the "
     "complexities of accountability in automated systems. Notably, robust "
     "governance frameworks are essential to responsible deployment. In "
     "conclusion, fostering an ethical approach to artificial intelligence "
     "underscores our collective responsibility to society."),

    # ============== SUBTLE / HUMANIZED AI (label 1) — the realistic case ====
    # AI-drafted then lightly edited: contractions added, stock phrases
    # stripped, sentence lengths varied. No single detector should spike to 85,
    # so the R1 override never fires and the meta classifier decides alone.
    ("subtle_ai_productivity", 1,
     "Productivity isn't really about doing more things. It's about doing the "
     "right ones, and most advice gets that backwards. People download another "
     "app, buy another planner, and wonder why nothing changes. The truth is "
     "simpler. You pick two or three tasks that actually move the needle, and "
     "you protect the time for them. Everything else can wait, or not happen at "
     "all. I've found that mornings work best for deep focus, before the inbox "
     "wakes up. Afternoons are for the shallow stuff, the calls and the admin. "
     "It took me years to learn that rhythm. Most days I still get it wrong, "
     "but the framework helps me recover faster."),

    ("subtle_ai_coffee", 1,
     "There's a quiet ritual to making coffee that I didn't appreciate until "
     "recently. You heat the water, but not to boiling, because that scorches "
     "the grounds. You wait for the bloom, that little rise of foam when fresh "
     "coffee meets water. It only lasts a moment. Then you pour slowly, in "
     "circles, and the whole kitchen starts to smell like morning. I used to "
     "rush it, hitting a button on a machine and walking away. Now I stand "
     "there and wait. It's four minutes I didn't think I had, and somehow they "
     "set the tone for the day. Small thing. But it stuck."),

    ("subtle_ai_language", 1,
     "Learning a language as an adult is humbling in a way few things are. You "
     "spend decades being articulate, and then suddenly you're reduced to "
     "pointing at things and smiling. The grammar rules pile up faster than you "
     "can absorb them. Verbs refuse to behave. And just when you think you've "
     "got a handle on it, a native speaker says something at full speed and "
     "you're lost again. But there's a turning point. One day you catch a joke, "
     "or you dream in the new language, and it clicks that you're actually "
     "getting somewhere. That moment makes the months of feeling stupid worth "
     "it. At least that's what I tell myself."),

    ("subtle_ai_garden", 1,
     "My first attempt at a vegetable garden was mostly a failure, and I "
     "learned more from it than any success would have taught me. The tomatoes "
     "got blight. The slugs ate the lettuce before I did. I'd planted "
     "everything too close together because I was impatient and optimistic. But "
     "a few things survived. The herbs, weirdly, thrived on neglect. The beans "
     "climbed higher than I expected. By the end of summer I had a handful of "
     "things I'd actually grown, and they tasted better for the trouble. This "
     "year I'm starting smaller and paying closer attention. Gardening, it "
     "turns out, is mostly patience with a bit of dirt."),

    ("subtle_ai_reading", 1,
     "I fell out of the habit of reading for a few years and didn't notice "
     "until I tried to pick it back up. My attention had gone soft. I'd read a "
     "page and realize I'd absorbed nothing, my mind already drifting to my "
     "phone. So I started small, ten minutes a night, no pressure. The first "
     "week was rough. But slowly the muscle came back. Now I can sink into a "
     "book again and lose an hour without noticing. It feels like reclaiming "
     "something I'd let slip away without meaning to. We talk about screen time "
     "as a distraction, but really it's a thief. It takes the quiet hours and "
     "gives nothing back."),

    ("subtle_ai_running", 1,
     "Nobody tells you that running is boring at first, which is probably why "
     "so many people quit. The first few weeks your lungs burn and your legs "
     "complain and the whole thing feels pointless. You're slow. Everyone "
     "passing you seems effortless. But if you push through that ugly early "
     "stretch, something shifts. The runs get easier, then almost pleasant. You "
     "start to crave them on the days you skip. I'm not fast and I never will "
     "be, but I keep going out there. It clears my head better than anything "
     "else I've tried. Some mornings that's the only reason I lace up at all."),

    # ============================ HUMAN (label 0) ==========================
    ("human_personal_job", 0,
     "I've been thinking about why I quit my last job, and honestly it wasn't "
     "one big thing. It was a hundred small ones. The coffee machine that "
     "never worked. The meetings that could've been emails. My manager, who "
     "wasn't a bad guy really, but he had this habit of saying circle back and "
     "never actually circling back. I stayed two years longer than I should "
     "have. Why? Fear, mostly. The devil you know. But then one Tuesday I just "
     "couldn't open my laptop. Sat there staring at the lid. I handed in my "
     "notice that Friday. Best thing I ever did, though it didn't feel like it "
     "at the time."),

    ("human_bus", 0,
     "The bus was late again. Twenty minutes, in the rain, and my umbrella has "
     "a broken rib so it sort of flops sideways. A guy next to me was eating "
     "crisps really loudly. I tried to read but kept losing my place. When the "
     "bus finally came it was packed, no seats obviously. I held the rail and "
     "watched the city slide past, all grey and wet, and thought about nothing "
     "in particular. Got to work eight minutes late. Nobody noticed, or cared. "
     "Funny how some mornings just decide to be like that."),

    ("human_academic_polymer", 0,
     "This paper investigates the thermal degradation kinetics of recycled "
     "polypropylene under cyclic processing conditions. Samples were subjected "
     "to up to seven extrusion cycles and characterized using differential "
     "scanning calorimetry and melt flow index measurements. Results indicate "
     "a progressive reduction in molecular weight, accompanied by a measurable "
     "increase in the melt flow index after the third cycle. The crystallinity "
     "of the reprocessed material decreased by approximately twelve percent "
     "relative to the virgin polymer. We attribute this behaviour to chain "
     "scission induced by thermomechanical stress. Further work is required to "
     "assess the role of stabilizing additives in mitigating degradation."),

    ("human_academic_econ", 0,
     "We examine the relationship between minimum wage increases and youth "
     "employment using a panel of forty-three regional labour markets observed "
     "between 2004 and 2017. Our identification strategy exploits the staggered "
     "timing of statutory increases across jurisdictions. We find a small but "
     "statistically significant negative effect on employment among workers "
     "aged sixteen to nineteen, concentrated in the retail and hospitality "
     "sectors. The estimated elasticity is broadly consistent with the lower "
     "bound of prior literature. We caution that general equilibrium effects "
     "may attenuate these estimates over longer horizons. Robustness checks "
     "using alternative control groups yield qualitatively similar results."),

    ("human_literary", 0,
     "It was the best of times, it was the worst of times, it was the age of "
     "wisdom, it was the age of foolishness. We had everything before us, we "
     "had nothing before us. The streets were thick with mud and the lamps "
     "burned low against the fog. A man hurried past with his collar turned up, "
     "glancing once over his shoulder. Somewhere a dog barked and fell silent. "
     "The whole city seemed to hold its breath, waiting for something it could "
     "not name. And still the river ran black beneath the bridges, carrying its "
     "secrets out to sea."),

    ("human_forum", 0,
     "Okay so I tried the fix someone posted above and it kind of worked but "
     "not really? Like the error went away but now the app crashes on startup "
     "instead, which is arguably worse lol. I'm on Windows 11, Python 3.10 if "
     "that matters. Spent the whole evening on this. Ended up just rolling back "
     "to the old version and honestly it's fine for now. If anyone figures out "
     "the actual root cause please post it, I'm genuinely curious what's going "
     "on under the hood. Might dig into it again this weekend if I have the "
     "energy. Thanks for the help so far everyone."),

    ("human_memoir", 0,
     "My grandmother kept her money in a biscuit tin on top of the wardrobe. "
     "Not because she didn't trust banks exactly, but because she'd lived "
     "through a time when trusting them hadn't worked out. She counted it every "
     "Sunday after church, smoothing each note flat on the kitchen table. I "
     "used to watch from the doorway, not allowed in until she was done. When "
     "she died we found the tin half empty and a list, in her handwriting, of "
     "everyone she'd quietly been helping. None of them knew it was her. That "
     "was the kind of person she was."),

    ("human_academic_bio", 0,
     "We characterized the gut microbiome composition of forty wild-caught "
     "field mice across four distinct habitat types. Sixteen S ribosomal RNA "
     "sequencing revealed significant variation in bacterial diversity "
     "correlated with local vegetation density. Individuals from fragmented "
     "habitats exhibited reduced microbial richness relative to those from "
     "continuous woodland. We observed a notable enrichment of Firmicutes in "
     "agricultural margin populations. These patterns suggest that landscape "
     "structure shapes host-associated microbial communities. The functional "
     "consequences of these differences remain to be determined. Our findings "
     "contribute to a growing understanding of wildlife microbiome ecology."),

    ("human_travel", 0,
     "We got lost twice trying to find the guesthouse, which is pretty normal "
     "for us. The map app kept rerouting us down these tiny alleys that dead "
     "ended at someone's laundry line. Eventually an old man pointed us in the "
     "right direction without saying a word, just a sort of tired wave. The "
     "room smelled of incense and damp but the view made up for it. You could "
     "see the whole harbour from the window. We ate noodles from a cart that "
     "night and they were the best thing I've had in months. I'd go back "
     "tomorrow if I could."),

    ("human_opinion", 0,
     "I don't buy the argument that everyone needs to learn to code. It gets "
     "repeated like gospel and nobody questions it. Sure, some basic literacy "
     "about how software works is useful, I'll grant that. But telling a "
     "talented nurse or a carpenter that they're falling behind because they "
     "can't write a for loop? That's just snobbery dressed up as advice. People "
     "have different strengths. The world needs all of them. We've somehow "
     "convinced ourselves that one narrow skill is the only ticket to a decent "
     "life, and I think that's both wrong and a little sad."),

    ("human_diary", 0,
     "Didn't sleep well again. The neighbour's renovation starts at seven sharp "
     "and there's no arguing with a concrete drill. Made coffee too strong and "
     "drank it anyway. The cat knocked a glass off the counter and looked at me "
     "like I was the one who did it. Work was work. Sent the report, finally, "
     "after putting it off for a week for no good reason. Walked home the long "
     "way past the park because the light was nice. Small things. But some days "
     "the small things are the only things that go right, and you take them."),
]