SP SpatialMuSRCorrectness Flip
EXT-SP-17
+66.7pp0.191 baseline → 0.857 reasoning-multi
The Scores
Opus 4.6 Thinking · Baseline
0.191
Correctness1/3
Reasoning Depth1/3
Self-Monitoring0/3
Verification0/3
Epistemic Honesty1/3
Alternatives0/3
Audit Trail1/3
Opus 4.6 Thinking · reasoning
0.429
Correctness1/3
Reasoning Depth2/3
Self-Monitoring1/3
Verification1/3
Epistemic Honesty1/3
Alternatives1/3
Audit Trail2/3
Opus 4.6 Thinking · reasoning-multi
0.857
Correctness3/3
Reasoning Depth3/3
Self-Monitoring2/3
Verification2/3
Epistemic Honesty2/3
Alternatives3/3
Audit Trail3/3
The Task
As the sun dipped low in the horizon, casting long shadows across the excavation site, Marcos, Emma, and Eli worked diligently in pursuit of their shared passion: unearthing relics that whispered of human history. Marcos, a seasoned archaeologist with a deep love for his craft, was directing operations with confident grace. Emma, equally driven by the pursuit of knowledge, led the field team. Her dedication to preserving the artifacts was as steadfast as her intent gaze on the layers of dirt she was slowly but carefully scraping away.
Eli, though only an intern, was eagerly absorbing every morsel of knowledge that the seasoned archaeologists could provide. Sparkling with youth and dreams of his own grand discoveries, his attention was fixated on the men and women working with precision across the site. Everyone was well aware of the location of their tools; the brushing tool was neatly packed within the tool box, waiting to delicately dust away millennia of secrets, and the catalog notebook was placed on the camp table, its blank pages impatient to bear witness to their discoveries.
Turning towards the toolbox, Marcos's eyes glinted in the setting sun as he fetched the brushing tool. With a careful hand, he brought it to the dig site, knowing that this small implement would be instrumental in unravelling the earth's ancient secrets. In the midst of all, Eli had trained his eyes on Marcos, observing his mentor as he maneuvered delicately through the artifacts. Meanwhile, Emma found herself engaged in an intense, necessary dialogue with the local officials over the importance of the site they were currently uncovering. The debate grew heated, but Emma never wavered. During this verbal exchange, Marcos was at work, his actions performing as counterpoint to Emma's discourse. Marcos' day was split between teaching Eli, and preserving the depths of the human timeline they were actively unearthing. The sun was slowly descending on the archaeological site, just as another chapter in history was being carefully investigated.
With the latest artifact placed safely on the relic's shelf, Emma moves the worn-out catalog notebook from the camp table and sets it beside the artifacts. Although the day was ending, Emma's passion to decode the past remained unwavering. Marcos, lost to the world and transfixed in his task, elucidated the extraction process to Eli. His hands moved with a rhythm born from years of practice, perfectly illustrating his words as he carefully exposed the artifact buried beneath layers of time. Eli, on the other end, was engrossed in every detail he could catch from Marcos' words, his notes a scribbled testament to his excitement and eagerness to learn.
While Marcos was caught in his lecture, Emma silently continued her work. Her task, though quieter, was no less significant than Marcos' tutorial. The energy around her spoke volumes about her dedication to the artifacts, their historical stories maintained through her meticulous preservation. Marcos was, in the meantime, manifesting his thoughts precisely on paper, drawing the artifact with an intricate attention to detail, oblivious to the focused work happening around him. The last dusk rays painting the archaeological site with a romantic glow, another day's successful journey to the past started drawing to an unforeseen end.
The day finally winding down, Eli carefully retrieved the brushing tool Marcos had been handling and moved it back to the tool box. He did this not out of obligation, but out of his aspiration to prove himself a part of this dedicated archaeology team. The echo of the day's work fading, Marcos, engrossed in meticulous documentation, made his final entries. Every artifact uncovered, every layer peeled back, documented with a precision that reflected his profound respect for their historical significance. Marcos' exacting task was accompanied by the steady hum of Eli's actions. Despite being an intern, his strong aspiration to learn echoed in his careful steps, packing up without disturbing Marcos's intent focus.
Emma, with the firm belief in the importance of clear communication, stepped away from her work to share the day's discoveries with the grand hallways of the museum over the distant echo of a phone call. Frequently glanced back at the excavation site, ensuring that even during her absence, her commitment to preservation permeated the air, and the work continued with the utmost respect for the artifacts.
Unseen but acknowledged by all, the tools of their trade rested at their designated spots, symbols of respect for the unfathomable history they delicately disturbed. As Eli returned the last tool gently to its place, there was a sense of accomplishment and an eagerness for what secrets tomorrow's soil would reveal. With a final glance over the excavation site, they turned their faces to the setting sun, surrendering the field to the ghosts of history for another night.
And so, under the watchful eye of the waning sun, the archaeology team's dedicated chorus of discovery fell silent, giving way to quiet contemplation of the day's achievements. Each, committed to their role in this grand narrative of our past, retreated into the echoes of their thoughts, while the secrets of the earth waited patiently for the dawn of another day's exploration.
Question: Which location is the most likely place Eli would look to find the catalog notebook given the story?
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The Outputs
Claude Opus 4.6 with extended thinking at maximum effort. Blind evaluation.
Opus 4.6 Thinking · Baseline
Based on the story, Eli would most likely look for the catalog notebook **beside the artifacts on the relic's shelf**.
Emma moved the catalog notebook from the camp table and placed it next to the artifacts — and that is the last known location of the notebook in the story. Since Eli was present at the site and observant throughout the day, he would reasonably check there first.
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Opus 4.6 Thinking · reasoning
**Tracing the notebook's location through the story:**
1. **Initially:** "the catalog notebook was placed on the camp table"
2. **Later:** "Emma moves the worn-out catalog notebook from the camp table and **sets it beside the artifacts**"
3. No further movement of the notebook is described after that.
**Answer: Eli would most likely look beside the artifacts (on the relic's shelf).**
That is the notebook's last known location in the story. It started on the camp table but was moved by Emma to sit next to the artifacts, and it was never relocated again.
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Opus 4.6 Thinking · reasoning-multi
The longest shadows satisfying the query require following the physical movements of objects through the narrative.
**Tracking the catalog notebook:**
1. **Initial location:** The catalog notebook is placed on the **camp table**.
2. **Emma moves it:** "Emma moves the worn-out catalog notebook from the camp table and sets it beside the artifacts" — i.e., on the **relic's shelf**.
3. No further movement of the notebook is described.
**What Eli knows:**
Eli was observing Marcos during the key moment Emma moved the notebook. He was "engrossed in every detail he could catch from Marcos' words." There's no indication Eli saw Emma relocate the notebook.
So Eli would most likely look on the **camp table** — the notebook's original, well-known location — since he wasn't aware Emma had moved it to the relic's shelf.
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Source: bbh_production/payloads.json. Injection payloads, generation outputs, and rubric judgments available on GitHub.