eval.jsonl

{"id": "Commonsense-causality-0001", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "Why does the handle of a metal spoon get hot when the spoon is left in a hot cup of coffee?", "answer": "Heat travels up the spoon by conduction", "answer_aliases": ["Conduction carries heat along the metal", "The spoon heats by thermal conduction"], "target_scores": {"Heat travels up the spoon by conduction": 1.0, "Heat radiates directly to the handle through the air": 0.0, "The handle gets hot because the spoon expands": 0.0, "Steam from the coffee carries heat to the handle": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Heat conduction through the metal", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b001", "prompt_sha256": "4aacbdaf91e2142e"}, "rationale": "Metals are excellent thermal conductors, quickly moving heat from the hot end to the cool end."}
{"id": "Commonsense-causality-0002", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "If you hold your breath for as long as you can, you eventually feel a strong urge to breathe. What directly causes this urge?", "answer": "A buildup of carbon dioxide in your blood", "answer_aliases": ["Increased carbon dioxide levels", "Rising CO2 concentration"], "target_scores": {"A buildup of carbon dioxide in your blood": 1.0, "A lack of oxygen in your lungs": 0.0, "Your heart speeds up from stress": 0.0, "Your diaphragm muscle becomes tired": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Buildup of carbon dioxide in the blood", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b001", "prompt_sha256": "4aacbdaf91e2142e"}, "rationale": "The brain's respiratory center is primarily sensitive to changes in carbon dioxide levels in the blood."}
{"id": "Commonsense-causality-0003", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "When you cut a fresh apple and leave it on the counter, its white flesh turns brown in a few minutes. What causes this browning?", "answer": "Oxidation of compounds in the apple when exposed to air", "answer_aliases": ["Oxygen reacts with enzymes in the apple", "Enzymatic browning from air exposure"], "target_scores": {"Oxidation of compounds in the apple when exposed to air": 1.0, "The apple is overripe and begins to rot": 0.0, "Contact with the knife blade causes a chemical reaction": 0.0, "Loss of moisture dries and darkens the surface": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Enzymatic oxidation (polyphenol oxidase reacting with oxygen)", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b001", "prompt_sha256": "4aacbdaf91e2142e"}, "rationale": "Enzymes in the apple catalyze a reaction with oxygen to produce brown pigments."}
{"id": "Commonsense-causality-0004", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "A cork floats in water, but a heavy steel anchor sinks. Why does the anchor sink while the cork floats?", "answer": "The anchor is denser than water, while the cork is less dense", "answer_aliases": ["Density determines whether objects sink or float", "The anchor's density is greater than water's"], "target_scores": {"The anchor is denser than water, while the cork is less dense": 1.0, "The anchor is too heavy for its size": 0.0, "The anchor's shape cuts through the water": 0.0, "The cork contains air pockets that make it lighter": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The anchor is denser than water while cork is less dense", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b001", "prompt_sha256": "4aacbdaf91e2142e"}, "rationale": "An object will sink if its density is higher than the density of the fluid it is in."}
{"id": "Commonsense-causality-0005", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "Many city crews sweep fallen leaves away from curbs even on dry days. What is the primary reason for this practice?", "answer": "To prevent leaves from blocking storm drains and causing floods", "answer_aliases": ["To keep storm drains clear of debris", "To avoid drain blockages"], "target_scores": {"To prevent leaves from blocking storm drains and causing floods": 1.0, "To use the leaves as mulch for parks": 0.0, "To reduce fire hazards from dry piles": 0.0, "To improve the appearance of the streets": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "To prevent leaves from clogging storm drains when it rains", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b001", "prompt_sha256": "4aacbdaf91e2142e"}, "rationale": "Accumulated leaves can wash into storm drains during rain, clogging them and leading to street flooding."}
{"id": "Commonsense-causality-0006", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "Why does a window pane become foggy on the inside during a cold day?", "answer": "Warm moist air condenses on the cold glass surface", "answer_aliases": ["Condensation forms due to temperature difference"], "target_scores": {"Warm moist air condenses on the cold glass surface": 1.0, "The glass becomes porous and leaks moisture": 0.0, "Dust particles settle on the pane": 0.0, "The cold air freezes the window frame": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Condensation forms when warm indoor air contacts the cold glass, cooling below its dew point.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b002", "prompt_sha256": "033b5cc2b013abeb"}, "rationale": "Warm air holds more moisture; when it cools on the cold glass, water droplets form."}
{"id": "Commonsense-causality-0007", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "What causes a wooden floor to creak more during humid summer months?", "answer": "Wood expands with increased moisture, leading to friction between boards", "answer_aliases": ["Humidity makes wood swell, causing squeaks"], "target_scores": {"Wood expands with increased moisture, leading to friction between boards": 1.0, "The nails loosen from heat": 0.0, "The foundation settles unevenly": 0.0, "Termites become active in humidity": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Wood absorbs moisture and expands, causing boards to rub against each other or fasteners.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b002", "prompt_sha256": "033b5cc2b013abeb"}, "rationale": "Wood absorbs water vapor and expands, creating pressure and movement."}
{"id": "Commonsense-causality-0008", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "What happens to a balloon filled with air when it is moved from a cold garage to a warm room?", "answer": "The air inside expands, potentially causing the balloon to burst", "answer_aliases": ["Expansion of air may pop the balloon"], "target_scores": {"The air inside expands, potentially causing the balloon to burst": 1.0, "The balloon shrinks due to pressure change": 0.0, "The rubber becomes brittle and cracks": 0.0, "The air leaks out slowly through pores": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The air inside expands due to higher temperature, making the balloon inflate more or potentially burst.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b002", "prompt_sha256": "033b5cc2b013abeb"}, "rationale": "Warm air increases pressure inside the balloon, exceeding its elasticity."}
{"id": "Commonsense-causality-0009", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "Why does the cover of a paperback book often curl in a humid environment?", "answer": "Paper absorbs moisture and expands unevenly, causing warping", "answer_aliases": ["Moisture absorption warps the cover"], "target_scores": {"Paper absorbs moisture and expands unevenly, causing warping": 1.0, "The glue melts and loses adhesion": 0.0, "UV light degrades the paper fibers": 0.0, "Dust accumulates and adds weight": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Paper absorbs moisture unevenly, causing differential expansion that leads to curling.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b002", "prompt_sha256": "033b5cc2b013abeb"}, "rationale": "Paper is hygroscopic; it swells when it absorbs water vapor."}
{"id": "Commonsense-causality-0010", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "If the first speaker in a scheduled meeting is delayed, what is a likely effect on the agenda?", "answer": "Subsequent items are pushed back, shortening discussion time for later topics", "answer_aliases": ["The schedule is compressed to fit all items"], "target_scores": {"Subsequent items are pushed back, shortening discussion time for later topics": 1.0, "The meeting is canceled entirely": 0.0, "Attendees leave early": 0.0, "New topics are spontaneously added": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The agenda gets delayed, subsequent items start later, or items may be shortened or skipped.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b002", "prompt_sha256": "033b5cc2b013abeb"}, "rationale": "Delays cascade, reducing time allocated for each remaining item."}
{"id": "Commonsense-causality-0011", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "What causes a starch-based soup to become thicker as it cools down?", "answer": "Starch molecules reassociate and form a gel-like structure", "answer_aliases": ["Cooling allows starch to set and thicken"], "target_scores": {"Starch molecules reassociate and form a gel-like structure": 1.0, "Water evaporates, concentrating the soup": 0.0, "Fat solidifies into clumps": 0.0, "Proteins denature further upon cooling": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Starch molecules retrograde and form a gel network as temperature decreases, trapping water and increasing viscosity.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b002", "prompt_sha256": "033b5cc2b013abeb"}, "rationale": "Starch granules swell when hot and then gel upon cooling, increasing viscosity."}
{"id": "Commonsense-causality-0012", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "A person wears a dark wool sweater while walking on a sunny winter day. Why might they start to feel overheated even when the air is cold?", "answer": "The dark color absorbs more sunlight as heat", "answer_aliases": ["Dark fabric captures solar heat"], "target_scores": {"The dark color absorbs more sunlight as heat": 1.0, "The wool repels cold air completely": 0.0, "Sweat evaporates faster in winter sun": 0.0, "The sweater blocks the wind chill": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Dark colors absorb more solar radiation, and wool insulates well, trapping body heat.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b003", "prompt_sha256": "a3542335ca7e9d71"}, "rationale": "Dark surfaces absorb more radiant energy and convert it to heat."}
{"id": "Commonsense-causality-0013", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "If a busy restaurant stops refilling its water glasses promptly, what social effect is likely to follow?", "answer": "Customers perceive slower service and tip less", "answer_aliases": ["Perceived poor service reduces tips"], "target_scores": {"Customers perceive slower service and tip less": 1.0, "Customers order more expensive meals": 0.0, "The kitchen prepares food faster": 0.0, "Other guests leave to give seats up": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Customers may feel neglected, leading to dissatisfaction, lower tips, or negative reviews.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b003", "prompt_sha256": "a3542335ca7e9d71"}, "rationale": "Small service gaps shape overall impressions and spending behavior."}
{"id": "Commonsense-causality-0014", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "A cyclist rides over a metal manhole cover on a rainy road. Why is the cover more dangerous than the asphalt around it?", "answer": "It offers less friction and is slippery", "answer_aliases": ["Metal has lower grip when wet"], "target_scores": {"It offers less friction and is slippery": 1.0, "It is warmer and softens tires": 0.0, "It reflects light and blinds the rider": 0.0, "It vibrates and shakes the bike": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Metal becomes very slippery when wet, offering less friction than asphalt.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b003", "prompt_sha256": "a3542335ca7e9d71"}, "rationale": "Smooth metal sheds water poorly and reduces tire traction."}
{"id": "Commonsense-causality-0015", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "Why does a loaf of bread go stale faster when stored in a refrigerator than at room temperature?", "answer": "Cold accelerates starch recrystallization", "answer_aliases": ["Refrigeration speeds starch hardening"], "target_scores": {"Cold accelerates starch recrystallization": 1.0, "The fridge adds moisture to the crust": 0.0, "Cold air carries more bacteria": 0.0, "The light inside dries it out": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Refrigeration accelerates starch retrogradation (recrystallization), which causes staling.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b003", "prompt_sha256": "a3542335ca7e9d71"}, "rationale": "Retrogradation of starch is faster at cool temperatures than at room temp."}
{"id": "Commonsense-causality-0016", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "A town builds a large dam upstream of a river delta. What is a likely downstream consequence after several years?", "answer": "The delta shrinks from less sediment", "answer_aliases": ["Reduced silt starves the delta"], "target_scores": {"The delta shrinks from less sediment": 1.0, "The river mouth gets deeper each year": 0.0, "Fish populations double upstream": 0.0, "Tides push farther inland": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Delta erosion and subsidence due to sediment trapping", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b003", "prompt_sha256": "a3542335ca7e9d71"}, "rationale": "Dams trap sediment that formerly built and maintained the delta."}
{"id": "Commonsense-causality-0017", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "Two neighbors share a wall; one installs a loud exhaust fan venting into the shared cavity. What is the probable result for the other neighbor?", "answer": "Noise and vibration transfer through the wall", "answer_aliases": ["Sound transmits via the partition"], "target_scores": {"Noise and vibration transfer through the wall": 1.0, "Their room becomes cooler": 0.0, "Their electricity bill drops": 0.0, "The shared wall grows stronger": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Noise transmission through the shared wall", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b003", "prompt_sha256": "a3542335ca7e9d71"}, "rationale": "Mechanical and acoustic energy couples through the common structure."}
{"id": "Commonsense-causality-0018", "tier": "mid", "category": "Commonsense-causality", "difficulty": "Mid", "question": "What change occurs in an inflated balloon after it is placed in a freezer for several hours?", "answer": "It shrinks because the air inside cools and contracts.", "answer_aliases": ["It gets smaller as the cold air occupies less volume"], "target_scores": {"It shrinks because the air inside cools and contracts.": 1.0, "It expands and may burst when removed": 0.0, "The balloon becomes translucent as the water vapor inside freezes": 0.0, "The rubber turns brittle and cracks open": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The balloon shrinks as the gas inside contracts", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-causality-b004", "prompt_sha256": "5ebfc4fe420ea110"}, "rationale": "Cooling reduces molecular motion, so the air occupies less space."}
{"id": "Commonsense-reasoning-0001", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You enter your home and smell a strong odor of natural gas. What is the most sensible first action?", "answer": "Open windows and doors", "answer_aliases": ["Ventilate the area", "Get fresh air inside"], "target_scores": {"Open windows and doors": 1.0, "Turn on a light switch": 0.0, "Call the gas company from inside": 0.0, "Use a fan to ventilate": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Leave the house immediately and call emergency services from outside", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b001", "prompt_sha256": "9409c817c825a716"}, "rationale": "Ventilating the area reduces the risk of an explosion by allowing gas to disperse."}
{"id": "Commonsense-reasoning-0002", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "While cooking, you accidentally touch a hot pan and get a minor burn on your finger. What should you do first?", "answer": "Cool it under cold running water", "answer_aliases": ["Run cold water over it", "Cool the burn with cold water"], "target_scores": {"Cool it under cold running water": 1.0, "Apply butter": 0.0, "Put ice directly on it": 0.0, "Pop a blister if it forms": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Run cool water over the burn for 10-20 minutes", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b001", "prompt_sha256": "9409c817c825a716"}, "rationale": "Cold water helps lower the temperature of the burn and soothe pain."}
{"id": "Commonsense-reasoning-0003", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You have an important work report due tomorrow, and a friend asks you to help them move furniture tonight. What is the most sensible response?", "answer": "Politely decline and explain the deadline", "answer_aliases": ["Tell them you cannot because of the deadline", "Decline due to a prior commitment"], "target_scores": {"Politely decline and explain the deadline": 1.0, "Help for an hour and finish the report later": 0.0, "Offer to help after the deadline tomorrow": 0.0, "Help now and work on the report late into the night": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Politely decline and explain you have a deadline", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b001", "prompt_sha256": "9409c817c825a716"}, "rationale": "Prioritizing the deadline ensures the critical task is completed on time without risking quality or sleep."}
{"id": "Commonsense-reasoning-0004", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "A small grease fire starts in a pan on your stove. What is the safest way to put it out?", "answer": "Cover the pan with a lid", "answer_aliases": ["Smother it with a lid", "Put a metal lid over the pan"], "target_scores": {"Cover the pan with a lid": 1.0, "Pour water on it": 0.0, "Use a fire extinguisher": 0.0, "Throw baking soda on it": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Turn off heat and cover the pan with a lid to smother flames", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b001", "prompt_sha256": "9409c817c825a716"}, "rationale": "A lid cuts off the oxygen supply, which starves the fire."}
{"id": "Commonsense-reasoning-0005", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You are packing for a three-day weekend trip to a coastal city where the forecast shows morning fog, afternoon sun, and possible evening rain. What is the most sensible clothing item to bring?", "answer": "A light waterproof jacket", "answer_aliases": ["A rain jacket", "A packable waterproof shell"], "target_scores": {"A light waterproof jacket": 1.0, "Heavy winter coat": 0.0, "Only shorts and t-shirts": 0.0, "A formal suit": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A light waterproof jacket or rain shell", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b001", "prompt_sha256": "9409c817c825a716"}, "rationale": "A light waterproof jacket is versatile for various conditions without being bulky."}
{"id": "Commonsense-reasoning-0006", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You are grocery shopping on a tight budget and see a tempting display of expensive snacks at the checkout. What is the most sensible action?", "answer": "Ignore it and stick to your list", "answer_aliases": ["Resist the temptation and follow your list", "Leave the store without buying extras"], "target_scores": {"Ignore it and stick to your list": 1.0, "Buy one as a treat": 0.0, "Buy a cheaper alternative": 0.0, "Skip the list and decide now": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Ignore the display and stick to your shopping list/budget", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b001", "prompt_sha256": "9409c817c825a716"}, "rationale": "Sticking to a list prevents impulse spending and keeps you within budget."}
{"id": "Commonsense-reasoning-0007", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "If you spill a liquid on a wooden floor, what is the first thing to do?", "answer": "Wipe it up immediately", "answer_aliases": ["Clean it up right away"], "target_scores": {"Wipe it up immediately": 1.0, "Let it dry naturally": 0.0, "Apply soap and water": 0.0, "Use a hairdryer": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Wipe it up immediately", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b002", "prompt_sha256": "043349051b418f17"}, "rationale": "Prompt cleaning prevents damage to the wood."}
{"id": "Commonsense-reasoning-0008", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "When you notice a strange smell coming from the refrigerator, what should you check first?", "answer": "Expired food items", "answer_aliases": ["Rotten food"], "target_scores": {"Expired food items": 1.0, "The thermostat setting": 0.0, "The door seal": 0.0, "The power cord": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Check for spoiled food", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b002", "prompt_sha256": "043349051b418f17"}, "rationale": "Strange smells often indicate spoiled food that needs to be discarded."}
{"id": "Commonsense-reasoning-0009", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "Before going on a long drive in winter, what is essential to have in your car?", "answer": "An emergency kit", "answer_aliases": ["Roadside assistance kit"], "target_scores": {"An emergency kit": 1.0, "Extra snacks": 0.0, "A car charger": 0.0, "A map": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "A winter emergency kit", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b002", "prompt_sha256": "043349051b418f17"}, "rationale": "Winter driving can lead to emergencies, so being prepared is crucial."}
{"id": "Commonsense-reasoning-0010", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "If you are writing an important email and your computer crashes, what is the best immediate action to prevent loss?", "answer": "Save your work frequently", "answer_aliases": ["Regularly save drafts"], "target_scores": {"Save your work frequently": 1.0, "Restart the computer immediately": 0.0, "Call technical support": 0.0, "Buy a new computer": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Check for auto-saved draft", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b002", "prompt_sha256": "043349051b418f17"}, "rationale": "Regular saving minimizes data loss in case of crashes."}
{"id": "Commonsense-reasoning-0011", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "When planting a garden, what is a key factor to consider for plant growth?", "answer": "Sunlight exposure", "answer_aliases": ["Amount of sun"], "target_scores": {"Sunlight exposure": 1.0, "Soil color": 0.0, "Pot size": 0.0, "Garden decor": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Sunlight", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b002", "prompt_sha256": "043349051b418f17"}, "rationale": "Most plants need adequate sunlight to thrive."}
{"id": "Commonsense-reasoning-0012", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "If you are at a public event and feel unwell, what is the safest step to take?", "answer": "Seek help from event staff", "answer_aliases": ["Ask for assistance"], "target_scores": {"Seek help from event staff": 1.0, "Ignore it and continue": 0.0, "Leave the event immediately": 0.0, "Take medicine without advice": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Alert event staff or call for help", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b002", "prompt_sha256": "043349051b418f17"}, "rationale": "Event staff are trained to handle medical situations and can provide appropriate help."}
{"id": "Commonsense-reasoning-0013", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You are walking on a sidewalk and see a cyclist approaching from behind on a shared path. What should you do?", "answer": "Move to the right", "answer_aliases": ["Step aside to the right"], "target_scores": {"Move to the right": 1.0, "Move to the left": 0.0, "Stop suddenly": 0.0, "Step into the bike lane": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Move to the side and allow the cyclist to pass", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b003", "prompt_sha256": "2da4d43ad304567f"}, "rationale": "Keeping right lets the cyclist pass safely without swerving into traffic."}
{"id": "Commonsense-reasoning-0014", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You receive an unexpected email asking for your bank password to verify your account. What is the correct action?", "answer": "Ignore the email", "answer_aliases": ["Delete the email"], "target_scores": {"Ignore the email": 1.0, "Reply with your password": 0.0, "Call the number given": 0.0, "Click the link to log in": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Do not reply and report the email as phishing", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b003", "prompt_sha256": "2da4d43ad304567f"}, "rationale": "Banks never request passwords by email, so it is a phishing attempt."}
{"id": "Commonsense-reasoning-0015", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You are carrying hot food across a crowded room. What is the safest way to move?", "answer": "Walk slowly", "answer_aliases": ["Move at a steady pace"], "target_scores": {"Walk slowly": 1.0, "Jog quickly": 0.0, "Carry it above your head": 0.0, "Spin to check behind you": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Walk slowly, keep the food away from others, and warn them", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b003", "prompt_sha256": "2da4d43ad304567f"}, "rationale": "Slow movement reduces the chance of spilling or tripping near others."}
{"id": "Commonsense-reasoning-0016", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "Your smoke alarm goes off while you are frying food but you see no flames. What should you check first?", "answer": "The pan on the stove", "answer_aliases": ["The stove"], "target_scores": {"The pan on the stove": 1.0, "The bedroom window": 0.0, "The electrical panel": 0.0, "The mailbox outside": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Check if the alarm was triggered by steam or smoke from cooking", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b003", "prompt_sha256": "2da4d43ad304567f"}, "rationale": "The alarm likely detected smoke from the cooking, so check the source."}
{"id": "Commonsense-reasoning-0017", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You are at a quiet library and your phone starts ringing. What is the right thing to do?", "answer": "Silence it quietly", "answer_aliases": ["Mute the phone"], "target_scores": {"Silence it quietly": 1.0, "Answer loudly": 0.0, "Let it keep ringing": 0.0, "Play a song to cover it": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Silence the phone and take the call outside.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b003", "prompt_sha256": "2da4d43ad304567f"}, "rationale": "Silencing avoids disturbing others in a silent study space."}
{"id": "Commonsense-reasoning-0018", "tier": "mid", "category": "Commonsense-reasoning", "difficulty": "Mid", "question": "You notice a small puddle of water near a floor electrical outlet at home. What should you do before cleaning it?", "answer": "Cut the power", "answer_aliases": ["Turn off the circuit"], "target_scores": {"Cut the power": 1.0, "Use a metal broom": 0.0, "Ignore it until later": 0.0, "Plug in a fan": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Turn off the power to the outlet.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-reasoning-b003", "prompt_sha256": "2da4d43ad304567f"}, "rationale": "Water and live electricity risk shock, so disconnect power first."}
{"id": "Commonsense-simulation-0001", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A pot of water is heated on a stove. When the water starts boiling, what happens to its temperature as you continue to add heat?", "answer": "It stays constant at the boiling point", "answer_aliases": ["It remains at 100°C", "The temperature plateaus"], "target_scores": {"It stays constant at the boiling point": 1.0, "It rises steadily": 0.0, "It drops slowly": 0.0, "It fluctuates wildly": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The temperature stays constant at the boiling point.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b001", "prompt_sha256": "a3298e1cf9b79977"}, "rationale": "During boiling, the added heat goes into the phase change from liquid to vapor, not into raising the temperature."}
{"id": "Commonsense-simulation-0002", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A child on a swing reaches the highest point of the forward motion. What happens next?", "answer": "The swing will start moving backward", "answer_aliases": ["The swing reverses direction", "It begins to go backward"], "target_scores": {"The swing will start moving backward": 1.0, "The swing will continue forward": 0.0, "The swing will stop abruptly": 0.0, "The child will fall off": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The child swings back down in the opposite direction.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b001", "prompt_sha256": "a3298e1cf9b79977"}, "rationale": "Gravity provides a restoring force that pulls the swing back toward the lowest point."}
{"id": "Commonsense-simulation-0003", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A coin is placed in the bottom of an opaque cup. You position yourself so the coin is just out of sight behind the rim. While remaining still, you slowly pour water into the cup. What will you see?", "answer": "The coin will become visible", "answer_aliases": ["The coin will appear to rise", "The coin becomes visible due to refraction"], "target_scores": {"The coin will become visible": 1.0, "The coin will float to the surface": 0.0, "The cup will overflow": 0.0, "The coin will remain hidden": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The coin becomes visible due to refraction of light through the water.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b001", "prompt_sha256": "a3298e1cf9b79977"}, "rationale": "Light from the coin is bent as it passes from water to air, making the coin appear at a higher position."}
{"id": "Commonsense-simulation-0004", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A student sets up a circuit with a battery and two identical light bulbs connected in parallel. Both bulbs light up. If the student unscrews one bulb, what will happen to the other?", "answer": "It will stay lit at the same brightness", "answer_aliases": ["It remains unaffected", "The other bulb continues to shine as before"], "target_scores": {"It will stay lit at the same brightness": 1.0, "It will go out": 0.0, "It will glow brighter": 0.0, "It will get dimmer": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The other bulb stays lit with the same brightness.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b001", "prompt_sha256": "a3298e1cf9b79977"}, "rationale": "In a parallel circuit, each bulb receives the full battery voltage independently."}
{"id": "Commonsense-simulation-0005", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A stone is dropped into a still pond, creating expanding ripples. A leaf is floating on the surface some distance away. When the ripples reach the leaf, what will the leaf do?", "answer": "It will bob up and down", "answer_aliases": ["It will oscillate vertically", "It will move up and down"], "target_scores": {"It will bob up and down": 1.0, "It will drift to the center": 0.0, "It will sink": 0.0, "It will break into pieces": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The leaf bobs up and down but does not move horizontally with the wave.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b001", "prompt_sha256": "a3298e1cf9b79977"}, "rationale": "Water waves cause floating objects to trace circular paths, resulting in vertical bobbing."}
{"id": "Commonsense-simulation-0006", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A compass is placed next to a straight wire that is not connected to anything. The compass needle points north. You then connect the wire to a battery so a current flows through it. What will happen to the compass needle?", "answer": "It will deflect from north", "answer_aliases": ["The needle will move to a new direction", "The compass will be affected by the magnetic field from the wire"], "target_scores": {"It will deflect from north": 1.0, "It will point to the wire": 0.0, "It will spin rapidly": 0.0, "It will stop moving": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The compass needle will deflect from pointing north due to the magnetic field created by the current in the wire.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b001", "prompt_sha256": "a3298e1cf9b79977"}, "rationale": "An electric current in a wire produces a magnetic field that exerts a torque on the compass needle."}
{"id": "Commonsense-simulation-0007", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A cannonball is fired horizontally from a cliff. What will happen next?", "answer": "It follows a parabolic arc downward", "answer_aliases": ["It arcs downwards"], "target_scores": {"It follows a parabolic arc downward": 1.0, "It travels in a straight line": 0.0, "It rises upward": 0.0, "It stops in mid-air": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "It falls to the ground.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b002", "prompt_sha256": "cb7750dc57ff0035"}, "rationale": "Gravity causes downward acceleration while horizontal motion continues."}
{"id": "Commonsense-simulation-0008", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A hole is poked at the bottom of a water-filled bottle. What happens next?", "answer": "Water jets out horizontally", "answer_aliases": ["Water sprays from the hole"], "target_scores": {"Water jets out horizontally": 1.0, "Air flows into the bottle": 0.0, "Nothing changes": 0.0, "The bottle collapses": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Water flows out.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b002", "prompt_sha256": "cb7750dc57ff0035"}, "rationale": "Water pressure forces it out through the opening."}
{"id": "Commonsense-simulation-0009", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "Two bar magnets are brought close with their north poles facing. What happens next?", "answer": "They repel each other", "answer_aliases": ["They push apart"], "target_scores": {"They repel each other": 1.0, "They attract and stick": 0.0, "They remain still": 0.0, "They rotate towards each other": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "They repel each other.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b002", "prompt_sha256": "cb7750dc57ff0035"}, "rationale": "Like magnetic poles repel."}
{"id": "Commonsense-simulation-0010", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A ray of light passes through a convex lens from a distant source. What happens after exiting?", "answer": "Light focuses to a point", "answer_aliases": ["It converges to a focal point"], "target_scores": {"Light focuses to a point": 1.0, "Light spreads out widely": 0.0, "Light bends away from center": 0.0, "Light continues straight": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "It converges at a point.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b002", "prompt_sha256": "cb7750dc57ff0035"}, "rationale": "A convex lens converges parallel light rays."}
{"id": "Commonsense-simulation-0011", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A loud sound is made in a large empty hall. What happens next?", "answer": "Echoes are produced", "answer_aliases": ["Reverberations occur"], "target_scores": {"Echoes are produced": 1.0, "Sound is absorbed immediately": 0.0, "Sound changes frequency": 0.0, "Sound travels faster": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "An echo occurs.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b002", "prompt_sha256": "cb7750dc57ff0035"}, "rationale": "Sound waves reflect off hard walls."}
{"id": "Commonsense-simulation-0012", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A pendulum is released from a raised position. What happens after it swings to the lowest point?", "answer": "It swings to the opposite side", "answer_aliases": ["It continues to the other side"], "target_scores": {"It swings to the opposite side": 1.0, "It stops at the bottom": 0.0, "It swings back to start": 0.0, "It falls from the pivot": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "It swings up on the other side.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b002", "prompt_sha256": "cb7750dc57ff0035"}, "rationale": "Energy conservation causes it to swing to a similar height."}
{"id": "Commonsense-simulation-0013", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A ball is dropped straight down inside a moving train that moves at constant speed. Where does it land relative to the drop point?", "answer": "Directly below the drop point", "answer_aliases": ["At the same spot on the floor"], "target_scores": {"Directly below the drop point": 1.0, "Behind the drop point": 0.0, "Ahead of the drop point": 0.0, "Outside the train": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Directly below the drop point.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b003", "prompt_sha256": "553eec991a82a4b0"}, "rationale": "The ball keeps the train's forward speed, so it falls straight in the train frame."}
{"id": "Commonsense-simulation-0014", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A sealed balloon is squeezed in the middle so one side bulges out. What happens to the air pressure inside the squeezed part?", "answer": "It increases", "answer_aliases": ["Pressure rises"], "target_scores": {"It increases": 1.0, "It decreases": 0.0, "It stays the same": 0.0, "It becomes zero": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Increases.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b003", "prompt_sha256": "553eec991a82a4b0"}, "rationale": "Reducing volume in that region raises pressure by compressing the air."}
{"id": "Commonsense-simulation-0015", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A floating cork is pushed down into water and let go. What does it do next?", "answer": "It bobs back up", "answer_aliases": ["It rises to the surface"], "target_scores": {"It bobs back up": 1.0, "It sinks slowly": 0.0, "It stays submerged": 0.0, "It spins in place": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "It rises to the surface.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b003", "prompt_sha256": "553eec991a82a4b0"}, "rationale": "Buoyant force exceeds weight once released, pushing it upward."}
{"id": "Commonsense-simulation-0016", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A rope over a frictionless pulley has a heavy box on one side and a light book on the other. Both are released. What happens?", "answer": "The box descends", "answer_aliases": ["The heavy side goes down"], "target_scores": {"The box descends": 1.0, "The book descends": 0.0, "Both stay still": 0.0, "Both rise together": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The heavy box falls, the light book rises.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b003", "prompt_sha256": "553eec991a82a4b0"}, "rationale": "The heavier mass accelerates downward under gravity."}
{"id": "Commonsense-simulation-0017", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A dry leaf is placed on a still pond and a stone is dropped nearby. What does the leaf do as the waves arrive?", "answer": "It bobs up and down", "answer_aliases": ["It oscillates vertically"], "target_scores": {"It bobs up and down": 1.0, "It is pushed sideways far away": 0.0, "It sinks immediately": 0.0, "It stays perfectly still": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The leaf bobs up and down.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b003", "prompt_sha256": "553eec991a82a4b0"}, "rationale": "Surface waves move the leaf vertically without carrying it horizontally."}
{"id": "Commonsense-simulation-0018", "tier": "mid", "category": "Commonsense-simulation", "difficulty": "Mid", "question": "A person shouts loudly in a large empty canyon. After a few seconds, they hear a similar sound again. What caused this later sound?", "answer": "Reflection of the original sound from canyon walls", "answer_aliases": ["Echo from the canyon walls"], "target_scores": {"Reflection of the original sound from canyon walls": 1.0, "A different person shouting back": 0.0, "Wind carrying the sound back to the person": 0.0, "The sound was recorded and played back": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The later sound is an echo caused by reflection of the sound waves off the canyon walls.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Commonsense-simulation-b004", "prompt_sha256": "eaac0da879217547"}, "rationale": "Sound waves reflect from hard, distant surfaces and return to the listener."}
{"id": "Knowledge-basic-0001", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "How many bones are in the adult human body?", "answer": "206", "answer_aliases": ["two hundred six"], "target_scores": {"206": 1.0, "300": 0.0, "150": 0.0, "250": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "206", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b001", "prompt_sha256": "d5017dcb82637205"}, "rationale": "The adult human skeleton comprises 206 bones."}
{"id": "Knowledge-basic-0002", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What is the largest mammal in the world?", "answer": "Blue whale", "answer_aliases": ["the blue whale"], "target_scores": {"Blue whale": 1.0, "Elephant": 0.0, "Giraffe": 0.0, "Hippopotamus": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Blue whale", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b001", "prompt_sha256": "d5017dcb82637205"}, "rationale": "The blue whale is the largest known animal to have ever existed."}
{"id": "Knowledge-basic-0003", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "In which modern country is the ancient city of Machu Picchu located?", "answer": "Peru", "answer_aliases": [], "target_scores": {"Peru": 1.0, "Brazil": 0.0, "Chile": 0.0, "Ecuador": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Peru", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b001", "prompt_sha256": "d5017dcb82637205"}, "rationale": "Machu Picchu is a 15th-century Inca citadel situated in southern Peru."}
{"id": "Knowledge-basic-0004", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "Which planet in our solar system is known for having a Great Red Spot?", "answer": "Jupiter", "answer_aliases": [], "target_scores": {"Jupiter": 1.0, "Mars": 0.0, "Saturn": 0.0, "Neptune": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Jupiter", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b002", "prompt_sha256": "c5d62794401e7d8e"}, "rationale": "Jupiter is the largest planet in our solar system and has a prominent storm called the Great Red Spot."}
{"id": "Knowledge-basic-0005", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What type of animal is a dolphin classified as?", "answer": "Mammal", "answer_aliases": [], "target_scores": {"Mammal": 1.0, "Fish": 0.0, "Reptile": 0.0, "Amphibian": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Mammal", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b002", "prompt_sha256": "c5d62794401e7d8e"}, "rationale": "Dolphins are warm-blooded, breathe air, and nurse their young, which are characteristics of mammals."}
{"id": "Knowledge-basic-0006", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "On which continent can you find the Amazon Rainforest?", "answer": "South America", "answer_aliases": ["The continent of South America"], "target_scores": {"South America": 1.0, "Africa": 0.0, "Asia": 0.0, "North America": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "South America", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b002", "prompt_sha256": "c5d62794401e7d8e"}, "rationale": "The Amazon Rainforest is primarily located in the continent of South America."}
{"id": "Knowledge-basic-0007", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "In what year did World War II end?", "answer": "1945", "answer_aliases": ["Nineteen forty-five"], "target_scores": {"1945": 1.0, "1918": 0.0, "1939": 0.0, "1950": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "1945", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b002", "prompt_sha256": "c5d62794401e7d8e"}, "rationale": "World War II concluded with the surrender of Germany and Japan in 1945."}
{"id": "Knowledge-basic-0008", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What is the chemical formula for table salt?", "answer": "NaCl", "answer_aliases": [], "target_scores": {"NaCl": 1.0, "H2O": 0.0, "CO2": 0.0, "O2": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "NaCl", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b002", "prompt_sha256": "c5d62794401e7d8e"}, "rationale": "Table salt is composed of sodium and chlorine ions, represented as NaCl in chemical notation."}
{"id": "Knowledge-basic-0009", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What causes the rainbow to appear in the sky after rain?", "answer": "Refraction and dispersion of light", "answer_aliases": ["Light refraction"], "target_scores": {"Refraction and dispersion of light": 1.0, "Reflection of sound": 0.0, "Absorption of heat": 0.0, "Emission of light": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Refraction", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b002", "prompt_sha256": "c5d62794401e7d8e"}, "rationale": "Rainbows form when sunlight is refracted and dispersed through water droplets in the air."}
{"id": "Knowledge-basic-0010", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "How many sides does a hexagon have?", "answer": "6", "answer_aliases": ["six"], "target_scores": {"6": 1.0, "5": 0.0, "7": 0.0, "8": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "6", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b003", "prompt_sha256": "a2aab657d918d834"}, "rationale": "A hexagon is a polygon with six sides."}
{"id": "Knowledge-basic-0011", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What gas do plants absorb from the air for photosynthesis?", "answer": "Carbon dioxide", "answer_aliases": ["CO2"], "target_scores": {"Carbon dioxide": 1.0, "Oxygen": 0.0, "Nitrogen": 0.0, "Hydrogen": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Carbon dioxide", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b003", "prompt_sha256": "a2aab657d918d834"}, "rationale": "Plants take in carbon dioxide and release oxygen during photosynthesis."}
{"id": "Knowledge-basic-0012", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "Which celestial body orbits Earth?", "answer": "The Moon", "answer_aliases": ["Moon"], "target_scores": {"The Moon": 1.0, "The Sun": 0.0, "Mars": 0.0, "Venus": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Moon", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b003", "prompt_sha256": "a2aab657d918d834"}, "rationale": "The Moon is Earth's only natural satellite."}
{"id": "Knowledge-basic-0013", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "Which animal is known as the king of the jungle?", "answer": "Lion", "answer_aliases": ["The lion"], "target_scores": {"Lion": 1.0, "Tiger": 0.0, "Elephant": 0.0, "Bear": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Lion", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b003", "prompt_sha256": "a2aab657d918d834"}, "rationale": "The lion is commonly called the king of the jungle."}
{"id": "Knowledge-basic-0014", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What is the past tense of the verb 'go'?", "answer": "went", "answer_aliases": [], "target_scores": {"went": 1.0, "goed": 0.0, "gone": 0.0, "going": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Went", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b004", "prompt_sha256": "2681cab7b1c326fc"}, "rationale": "'Go' is an irregular verb; its simple past tense is 'went'."}
{"id": "Knowledge-basic-0015", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "In what year did the American Revolutionary War begin?", "answer": "1775", "answer_aliases": ["seventeen seventy-five"], "target_scores": {"1775": 1.0, "1776": 0.0, "1770": 0.0, "1783": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "1775", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b004", "prompt_sha256": "2681cab7b1c326fc"}, "rationale": "The war started in April 1775 with the Battles of Lexington and Concord."}
{"id": "Knowledge-basic-0016", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "How many degrees are in a triangle?", "answer": "180", "answer_aliases": ["180 degrees", "one hundred eighty"], "target_scores": {"180": 1.0, "90": 0.0, "360": 0.0, "270": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "180 degrees", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b004", "prompt_sha256": "2681cab7b1c326fc"}, "rationale": "The interior angles of any triangle sum to 180 degrees."}
{"id": "Knowledge-basic-0017", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What part of speech is the word 'quickly'?", "answer": "adverb", "answer_aliases": [], "target_scores": {"adverb": 1.0, "adjective": 0.0, "verb": 0.0, "noun": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "adverb", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b004", "prompt_sha256": "2681cab7b1c326fc"}, "rationale": "'Quickly' modifies a verb, describing how an action is performed, making it an adverb."}
{"id": "Knowledge-basic-0018", "tier": "mid", "category": "Knowledge-basic", "difficulty": "Mid", "question": "What is the process called when water changes from a liquid to a gas?", "answer": "evaporation", "answer_aliases": [], "target_scores": {"evaporation": 1.0, "condensation": 0.0, "precipitation": 0.0, "sublimation": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "evaporation", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-basic-b004", "prompt_sha256": "2681cab7b1c326fc"}, "rationale": "Evaporation is the change of state from liquid to gas at the water's surface."}
{"id": "Knowledge-definitions-0001", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What does the word 'compromise' mean in the context of a disagreement?", "answer": "A settlement reached by mutual concessions", "answer_aliases": ["An agreement where each side gives up something", "A mutual arrangement"], "target_scores": {"A settlement reached by mutual concessions": 1.0, "A firm stand on one's principles": 0.0, "A decision imposed by a third party": 0.0, "A complete agreement without any changes": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A mutual agreement reached by each side making concessions", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b001", "prompt_sha256": "989ebe45d889d1d6"}, "rationale": "Compromise involves both parties making concessions to reach a middle ground."}
{"id": "Knowledge-definitions-0002", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is a habit, as it relates to behavior?", "answer": "A regular, often unconscious pattern of behavior", "answer_aliases": ["A routine behavior that is hard to give up", "An automatic action repeated regularly"], "target_scores": {"A regular, often unconscious pattern of behavior": 1.0, "A one-time action performed deliberately": 0.0, "An inherited trait from one's parents": 0.0, "A sudden impulse to do something": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A regular, often unconscious pattern of behavior acquired through repetition", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b001", "prompt_sha256": "989ebe45d889d1d6"}, "rationale": "Habits are repetitive behaviors that become automatic through repetition."}
{"id": "Knowledge-definitions-0003", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is evidence in a factual investigation?", "answer": "Information that supports or refutes a claim", "answer_aliases": ["Facts used to prove something", "Data pointing to a conclusion"], "target_scores": {"Information that supports or refutes a claim": 1.0, "An unsubstantiated personal opinion": 0.0, "A story made up to illustrate a point": 0.0, "A rule that determines the outcome": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Facts, information, or objects that help prove or disprove something", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b001", "prompt_sha256": "989ebe45d889d1d6"}, "rationale": "Evidence consists of facts or data used to test the truth of a statement."}
{"id": "Knowledge-definitions-0004", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What does the term 'prejudice' refer to in social contexts?", "answer": "A preconceived opinion not based on reason or actual experience", "answer_aliases": ["Bias against someone based on stereotypes", "Unfair preference without evidence"], "target_scores": {"A preconceived opinion not based on reason or actual experience": 1.0, "A carefully considered judgment after analysis": 0.0, "A strong interest in learning about others": 0.0, "A neutral view that waits for facts": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A preconceived opinion not based on reason or actual experience; bias against a group", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b001", "prompt_sha256": "989ebe45d889d1d6"}, "rationale": "Prejudice is a premature judgment formed without sufficient knowledge."}
{"id": "Knowledge-definitions-0005", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is resilience in personal development?", "answer": "The ability to recover quickly from difficulties", "answer_aliases": ["Mental toughness to bounce back", "Capacity to adapt to adversity"], "target_scores": {"The ability to recover quickly from difficulties": 1.0, "The tendency to avoid challenges entirely": 0.0, "The skill of never experiencing stress": 0.0, "The desire to always win at competitions": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The ability to recover from or adapt to difficulties and challenges", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b001", "prompt_sha256": "989ebe45d889d1d6"}, "rationale": "Resilience refers to bouncing back and adapting well in the face of adversity."}
{"id": "Knowledge-definitions-0006", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What does empathy mean in interpersonal relations?", "answer": "The ability to understand and share someone else's feelings", "answer_aliases": ["Putting yourself in another's shoes", "Understanding another person's emotions"], "target_scores": {"The ability to understand and share someone else's feelings": 1.0, "The act of feeling sorry for someone": 0.0, "The desire to compete with another person": 0.0, "The skill of persuading others to your view": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The ability to understand and share the feelings of another person", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b001", "prompt_sha256": "989ebe45d889d1d6"}, "rationale": "Empathy involves sensing others' emotions and comprehending their perspective."}
{"id": "Knowledge-definitions-0007", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is a compromise?", "answer": "An agreement where each side gives up something", "answer_aliases": ["A settlement reached by mutual concession"], "target_scores": {"An agreement where each side gives up something": 1.0, "A complete victory for one side": 0.0, "A random change of plans": 0.0, "A formal written contract": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "An agreement reached by mutual concessions.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b003", "prompt_sha256": "bb71889d2b79d741"}, "rationale": "A compromise is reached when conflicting parties each yield part of their demands."}
{"id": "Knowledge-definitions-0008", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is evidence?", "answer": "Information that supports a claim", "answer_aliases": ["Facts used to prove something"], "target_scores": {"Information that supports a claim": 1.0, "A personal opinion": 0.0, "A guess without basis": 0.0, "A fictional story": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Facts or information indicating truth or validity.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b003", "prompt_sha256": "bb71889d2b79d741"}, "rationale": "Evidence consists of data or facts that lend support to a conclusion or assertion."}
{"id": "Knowledge-definitions-0009", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is an assumption?", "answer": "Something accepted as true without proof", "answer_aliases": ["A presupposition taken for granted"], "target_scores": {"Something accepted as true without proof": 1.0, "A fact verified by experiment": 0.0, "A conclusion drawn from evidence": 0.0, "A statement known to be false": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Something accepted as true without proof.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b003", "prompt_sha256": "bb71889d2b79d741"}, "rationale": "An assumption is a belief held as a basis though it has not been demonstrated."}
{"id": "Knowledge-definitions-0010", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is a metaphor?", "answer": "A figure of speech comparing unlike things", "answer_aliases": ["A nonliteral comparison without like or as"], "target_scores": {"A figure of speech comparing unlike things": 1.0, "A literal description of facts": 0.0, "A type of musical rhythm": 0.0, "A mathematical equation": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "A figure of speech comparing two unlike things.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b003", "prompt_sha256": "bb71889d2b79d741"}, "rationale": "A metaphor directly equates one thing with another to suggest a resemblance."}
{"id": "Knowledge-definitions-0011", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is inertia?", "answer": "Resistance to change in motion", "answer_aliases": ["Tendency of objects to keep their state of motion"], "target_scores": {"Resistance to change in motion": 1.0, "A force that causes acceleration": 0.0, "The speed of light in vacuum": 0.0, "A measure of electric charge": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Tendency to resist change in motion.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b003", "prompt_sha256": "bb71889d2b79d741"}, "rationale": "Inertia is the property of matter by which it resists changes to its velocity."}
{"id": "Knowledge-definitions-0012", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is honesty?", "answer": "The quality of being truthful and sincere", "answer_aliases": ["Truthfulness", "The virtue of telling the truth"], "target_scores": {"The quality of being truthful and sincere": 1.0, "A tendency to exaggerate": 0.0, "An ability to remember facts": 0.0, "A habit of following rules carefully": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The quality of being truthful, sincere, and free from deceit", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b004", "prompt_sha256": "02f34f4c3756bced"}, "rationale": "Honesty means not lying or deceiving others; it is about truthfulness and sincerity."}
{"id": "Knowledge-definitions-0013", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is patience?", "answer": "The capacity to tolerate delay or difficulty without becoming annoyed", "answer_aliases": ["Endurance in waiting", "Calmness in the face of frustration"], "target_scores": {"The capacity to tolerate delay or difficulty without becoming annoyed": 1.0, "The skill of acting quickly under pressure": 0.0, "A strong desire for immediate results": 0.0, "The ability to concentrate for long periods": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The capacity to accept or tolerate delay, trouble, or suffering without getting angry or upset", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b004", "prompt_sha256": "02f34f4c3756bced"}, "rationale": "Patience involves staying calm when things do not happen immediately or when facing obstacles."}
{"id": "Knowledge-definitions-0014", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is efficiency?", "answer": "Doing something with the least waste of time and resources", "answer_aliases": ["Productiveness with minimal waste", "Maximum output per unit of input"], "target_scores": {"Doing something with the least waste of time and resources": 1.0, "Doing something as quickly as possible regardless of quality": 0.0, "Using the most expensive materials available": 0.0, "The ability to multitask effectively": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The ability to accomplish a task with minimum waste of time, effort, or resources", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b004", "prompt_sha256": "02f34f4c3756bced"}, "rationale": "Efficiency is about achieving a goal with minimal wasted effort, time, or materials."}
{"id": "Knowledge-definitions-0015", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is a paradox?", "answer": "A statement that appears to contradict itself but may express a truth", "answer_aliases": ["A self-contradictory proposition", "An apparent contradiction that reveals a deeper truth"], "target_scores": {"A statement that appears to contradict itself but may express a truth": 1.0, "A fact that can be proven with evidence": 0.0, "An exaggeration made for effect": 0.0, "A simple and obvious observation": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A statement or situation that seems contradictory or absurd but may be true in reality", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b004", "prompt_sha256": "02f34f4c3756bced"}, "rationale": "A paradox seems illogical at first but often contains an insight that resolves the contradiction."}
{"id": "Knowledge-definitions-0016", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is resilience?", "answer": "Ability to recover quickly from difficulties", "answer_aliases": ["Capacity to bounce back from setbacks"], "target_scores": {"Ability to recover quickly from difficulties": 1.0, "Strength to lift heavy objects": 0.0, "Speed in running long distances": 0.0, "Skill in solving puzzles": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "the capacity to recover quickly from difficulties", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b005", "prompt_sha256": "36157a75eea9fdf5"}, "rationale": "Resilience refers to the ability to adapt and recover from adversity."}
{"id": "Knowledge-definitions-0017", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What does 'consensus' mean?", "answer": "General agreement among a group", "answer_aliases": ["Agreement reached by a group"], "target_scores": {"General agreement among a group": 1.0, "A majority vote in an election": 0.0, "A unanimous decision by one person": 0.0, "A compromise between two parties": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "general agreement", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b005", "prompt_sha256": "36157a75eea9fdf5"}, "rationale": "Consensus involves a general agreement without significant opposition."}
{"id": "Knowledge-definitions-0018", "tier": "mid", "category": "Knowledge-definitions", "difficulty": "Mid", "question": "What is curiosity?", "answer": "A strong desire to know or learn something", "answer_aliases": ["Inquisitiveness about the world"], "target_scores": {"A strong desire to know or learn something": 1.0, "A tendency to avoid new experiences": 0.0, "A skill in art or music": 0.0, "A habit of following rules": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "a strong desire to know or learn something", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Knowledge-definitions-b005", "prompt_sha256": "36157a75eea9fdf5"}, "rationale": "Curiosity drives exploration and learning through questioning."}
{"id": "Language-comprehension-0001", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The ground was wet this morning. Puddles reflected the gray sky.' What probably happened earlier?", "answer": "It rained", "answer_aliases": ["It had rained", "Rain fell"], "target_scores": {"It rained": 1.0, "It snowed": 0.0, "The sprinklers were on": 0.0, "The tide came in": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "It rained.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b001", "prompt_sha256": "a2fe98224755bd4e"}, "rationale": "Wet ground and puddles indicate recent rain."}
{"id": "Language-comprehension-0002", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The bird kept flying into the window. It would sit on the sill for a moment, then try again.' What might the bird be seeing?", "answer": "Its reflection", "answer_aliases": ["It sees itself", "Its own image"], "target_scores": {"Its reflection": 1.0, "A spider": 0.0, "A predator": 0.0, "Food": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Its reflection in the window.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b001", "prompt_sha256": "a2fe98224755bd4e"}, "rationale": "Birds often attack their reflection, thinking it is another bird."}
{"id": "Language-comprehension-0003", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The tomato plant leaned toward the window. The side away from the glass grew shorter leaves.' What is the plant responding to?", "answer": "Sunlight", "answer_aliases": ["Light", "The sun"], "target_scores": {"Sunlight": 1.0, "Water": 0.0, "Warmth": 0.0, "Gravity": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Light (phototropism).", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b001", "prompt_sha256": "a2fe98224755bd4e"}, "rationale": "Plants grow toward light sources in a response called phototropism."}
{"id": "Language-comprehension-0004", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'Lena left a glass of water in the freezer overnight. In the morning, the glass was cracked.' Why did the glass crack?", "answer": "The water expanded when it froze", "answer_aliases": ["Water expands when freezing", "Ice expanded"], "target_scores": {"The water expanded when it froze": 1.0, "The glass was too thin": 0.0, "The freezer was too cold": 0.0, "The water evaporated": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Water expands when it freezes.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b001", "prompt_sha256": "a2fe98224755bd4e"}, "rationale": "Water expands upon freezing, exerting enough pressure to crack the glass."}
{"id": "Language-comprehension-0005", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'Jamal walked into the dark room and smelled something sweet. He felt his way to the table and found a sticky spot.' What had likely spilled?", "answer": "Juice", "answer_aliases": ["A sugary drink", "Fruit juice"], "target_scores": {"Juice": 1.0, "Milk": 0.0, "Oil": 0.0, "Vinegar": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Something sweet like juice or soda.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b001", "prompt_sha256": "a2fe98224755bd4e"}, "rationale": "A sweet smell and sticky residue are typical of a sugary liquid like juice."}
{"id": "Language-comprehension-0006", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'Anna put a metal spoon in a mug of hot cocoa. After a minute, the spoon handle felt warm.' How did heat travel up the spoon?", "answer": "Conduction", "answer_aliases": ["Heat conduction", "Thermal conduction"], "target_scores": {"Conduction": 1.0, "Convection": 0.0, "Radiation": 0.0, "Evaporation": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Heat traveled up the spoon by conduction through the metal.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b001", "prompt_sha256": "a2fe98224755bd4e"}, "rationale": "Heat transfers through solid metal primarily by conduction."}
{"id": "Language-comprehension-0007", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The cake was overbrowned on top but still raw inside. Tom turned down the oven temperature for the next batch.' What adjustment did Tom make?", "answer": "Lowered the oven temperature", "answer_aliases": ["Reduced the heat"], "target_scores": {"Lowered the oven temperature": 1.0, "Increased the baking time": 0.0, "Used a different pan": 0.0, "Added more ingredients": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "turned down the oven temperature", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b002", "prompt_sha256": "a4fabc98567a888e"}, "rationale": "To prevent overbrowning and undercooking, he lowered the temperature."}
{"id": "Language-comprehension-0008", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'Dark clouds gathered on the horizon, and the wind picked up speed. Sarah decided to bring the laundry inside.' Why did Sarah bring the laundry inside?", "answer": "To avoid rain", "answer_aliases": ["To keep it dry"], "target_scores": {"To avoid rain": 1.0, "Because it was sunny": 0.0, "To dry it faster": 0.0, "Because it was windy": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "because it was going to rain", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b002", "prompt_sha256": "a4fabc98567a888e"}, "rationale": "The dark clouds and wind suggest impending rain."}
{"id": "Language-comprehension-0009", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The library book was overdue by three days, and Maria found a fine notice in her email. She paid the fee immediately.' What did Maria do about the overdue book?", "answer": "Paid the fine", "answer_aliases": ["Settled the fee"], "target_scores": {"Paid the fine": 1.0, "Returned the book": 0.0, "Ignored the notice": 0.0, "Renewed the loan": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "paid the fee", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b002", "prompt_sha256": "a4fabc98567a888e"}, "rationale": "The fine notice led her to pay the overdue fee."}
{"id": "Language-comprehension-0010", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The dog barked loudly at the stranger approaching the door. The owner called the dog to come inside.' What did the owner do in response to the barking?", "answer": "Called the dog inside", "answer_aliases": ["Summoned the dog indoors"], "target_scores": {"Called the dog inside": 1.0, "Opened the door": 0.0, "Fed the dog": 0.0, "Took the dog for a walk": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "called the dog inside", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b002", "prompt_sha256": "a4fabc98567a888e"}, "rationale": "To stop the barking or for safety, the owner called the dog in."}
{"id": "Language-comprehension-0011", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'A thin layer of ice formed on the pond by dawn. The ducks stayed in the reeds where the water moved.' Why did the ducks avoid the open pond?", "answer": "It was frozen", "answer_aliases": ["The surface was iced over"], "target_scores": {"It was frozen": 1.0, "It was too deep": 0.0, "It was polluted": 0.0, "It was too warm": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "because the pond was iced over", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b003", "prompt_sha256": "12ad933610573940"}, "rationale": "Ice formed on the pond, so the open water was frozen."}
{"id": "Language-comprehension-0012", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'Lena tied the string tightly around the bundle. The knot held even when the wind pulled at the paper.' What kept the bundle closed?", "answer": "A knot", "answer_aliases": ["The tied knot"], "target_scores": {"A knot": 1.0, "A clip": 0.0, "A lock": 0.0, "Glue": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "the knot", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b003", "prompt_sha256": "12ad933610573940"}, "rationale": "The text states the knot held the bundle together."}
{"id": "Language-comprehension-0013", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The soil was dry and cracked after weeks without rain. The small seedlings bent toward the ground.' What condition harmed the seedlings?", "answer": "Drought", "answer_aliases": ["Lack of rain"], "target_scores": {"Drought": 1.0, "Frost": 0.0, "Flood": 0.0, "Insects": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "dry soil", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b003", "prompt_sha256": "12ad933610573940"}, "rationale": "Dry cracked soil from no rain indicates drought stress."}
{"id": "Language-comprehension-0014", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The river narrowed at the bend and flowed faster there. The boat moved with little effort past that point.' Why did the boat move easily?", "answer": "Faster current", "answer_aliases": ["The swift flow"], "target_scores": {"Faster current": 1.0, "A tailwind": 0.0, "A pulled rope": 0.0, "A lowered sail": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "the fast current", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b003", "prompt_sha256": "12ad933610573940"}, "rationale": "The narrowed river created a faster current that aided the boat."}
{"id": "Language-comprehension-0015", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The sidewalks are dry now, but the streets are still wet.' What most likely happened earlier?", "answer": "It rained", "answer_aliases": ["Rain fell", "There was a rain shower"], "target_scores": {"It rained": 1.0, "It snowed": 0.0, "A water main broke": 0.0, "The sprinklers were on": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "It rained earlier, and the sidewalks dried faster than the streets.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b004", "prompt_sha256": "4936faeed7d5d7a9"}, "rationale": "Wet streets with dry sidewalks indicate recent rain."}
{"id": "Language-comprehension-0016", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The alarm clock is ringing, but the person in bed has not moved.' What does this suggest?", "answer": "They are still asleep", "answer_aliases": ["They are sleeping through it"], "target_scores": {"They are still asleep": 1.0, "They are awake but ignoring it": 0.0, "The alarm is not real": 0.0, "They are doing breathing exercises": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The person is still asleep or ignoring the alarm.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b004", "prompt_sha256": "4936faeed7d5d7a9"}, "rationale": "Not moving despite a ringing alarm indicates they have not woken up."}
{"id": "Language-comprehension-0017", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'A full glass of water is on the table. A puddle of water sits next to the glass.' What likely happened?", "answer": "Water spilled from the glass", "answer_aliases": ["The glass was knocked over"], "target_scores": {"Water spilled from the glass": 1.0, "Ice in the glass melted": 0.0, "The glass was washed recently": 0.0, "Someone dripped water from their hands": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Water spilled from the glass or condensation dripped onto the table.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b004", "prompt_sha256": "4936faeed7d5d7a9"}, "rationale": "The puddle next to the full glass indicates some water was spilled."}
{"id": "Language-comprehension-0018", "tier": "mid", "category": "Language-comprehension", "difficulty": "Mid", "question": "Read: 'The leaves on the ground are dry and brown. The temperature has been dropping at night.' What season is it likely?", "answer": "Autumn", "answer_aliases": ["Fall"], "target_scores": {"Autumn": 1.0, "Spring": 0.0, "Summer": 0.0, "Winter": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "semantic", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Autumn (fall).", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-comprehension-b004", "prompt_sha256": "4936faeed7d5d7a9"}, "rationale": "Dry leaves on the ground and cool nights are characteristic of autumn."}
{"id": "Language-structure-0001", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'Although it was raining, the children played outside,' what is the main clause?", "answer": "the children played outside", "answer_aliases": [], "target_scores": {"the children played outside": 1.0, "Although it was raining": 0.0, "it was raining": 0.0, "the children played": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "the children played outside", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b001", "prompt_sha256": "42015aa7ebf8966b"}, "rationale": "The main clause is the independent clause that can stand alone as a sentence."}
{"id": "Language-structure-0002", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'She gave her brother a birthday present,' which is the direct object?", "answer": "a birthday present", "answer_aliases": [], "target_scores": {"a birthday present": 1.0, "her brother": 0.0, "She": 0.0, "birthday": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "a birthday present", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b001", "prompt_sha256": "42015aa7ebf8966b"}, "rationale": "The direct object receives the action of the verb 'gave'; it is the thing given."}
{"id": "Language-structure-0003", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'The cat slept under the warm blanket,' what is the object of the preposition 'under'?", "answer": "the warm blanket", "answer_aliases": [], "target_scores": {"the warm blanket": 1.0, "the cat": 0.0, "warm": 0.0, "slept": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "the warm blanket", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b001", "prompt_sha256": "42015aa7ebf8966b"}, "rationale": "The object of a preposition is the noun phrase that follows the preposition and completes its meaning."}
{"id": "Language-structure-0004", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "What tense is used in the clause 'they had already eaten' in the sentence 'By the time we arrived, they had already eaten dinner'?", "answer": "past perfect", "answer_aliases": [], "target_scores": {"past perfect": 1.0, "present perfect": 0.0, "past simple": 0.0, "past continuous": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "past perfect", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b001", "prompt_sha256": "42015aa7ebf8966b"}, "rationale": "'Had eaten' is the past perfect tense, indicating an action completed before another past action."}
{"id": "Language-structure-0005", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'Running quickly, the athlete won the race,' what is the subject of the main clause?", "answer": "the athlete", "answer_aliases": [], "target_scores": {"the athlete": 1.0, "Running": 0.0, "the athlete won": 0.0, "the race": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "the athlete", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b001", "prompt_sha256": "42015aa7ebf8966b"}, "rationale": "The subject of the main clause is the person performing the action of the verb 'won'."}
{"id": "Language-structure-0006", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'I believe that honesty is important,' which part is a noun clause?", "answer": "that honesty is important", "answer_aliases": [], "target_scores": {"that honesty is important": 1.0, "I believe": 0.0, "honesty is important": 0.0, "I believe that": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "that honesty is important", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b001", "prompt_sha256": "42015aa7ebf8966b"}, "rationale": "A noun clause acts as a noun; 'that honesty is important' is the object of the verb 'believe' and is a noun clause."}
{"id": "Language-structure-0007", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'After the rain stopped, the children went outside to play,' what type of clause is 'After the rain stopped'?", "answer": "dependent clause", "answer_aliases": ["subordinate clause"], "target_scores": {"dependent clause": 1.0, "independent clause": 0.0, "noun phrase": 0.0, "adverbial phrase": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "dependent clause", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b002", "prompt_sha256": "fbd6baec5f76ecbe"}, "rationale": "It cannot stand alone as a complete sentence and modifies the main clause."}
{"id": "Language-structure-0008", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'She gave her friend a beautiful painting,' what is the indirect object?", "answer": "her friend", "answer_aliases": [], "target_scores": {"her friend": 1.0, "she": 0.0, "a beautiful painting": 0.0, "gave": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "her friend", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b002", "prompt_sha256": "fbd6baec5f76ecbe"}, "rationale": "The indirect object is the recipient of the direct object 'a beautiful painting'."}
{"id": "Language-structure-0009", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'They had been waiting for hours before the bus arrived,' what tense is the verb phrase 'had been waiting'?", "answer": "past perfect continuous", "answer_aliases": ["past perfect progressive"], "target_scores": {"past perfect continuous": 1.0, "present perfect continuous": 0.0, "past continuous": 0.0, "future perfect continuous": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "past perfect continuous", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b002", "prompt_sha256": "fbd6baec5f76ecbe"}, "rationale": "It indicates an action that started in the past and continued up to another past point."}
{"id": "Language-structure-0010", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'The quick brown fox jumps over the lazy dog,' what part of speech is 'quick'?", "answer": "adjective", "answer_aliases": [], "target_scores": {"adjective": 1.0, "adverb": 0.0, "noun": 0.0, "verb": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "adjective", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b002", "prompt_sha256": "fbd6baec5f76ecbe"}, "rationale": "'Quick' describes the noun 'fox' and comes before it."}
{"id": "Language-structure-0011", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'Each of the students has completed the assignment,' which word agrees with 'each' in number?", "answer": "has", "answer_aliases": [], "target_scores": {"has": 1.0, "have": 0.0, "is": 0.0, "was": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "has", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b002", "prompt_sha256": "fbd6baec5f76ecbe"}, "rationale": "'Each' is singular, so it takes the singular verb 'has'."}
{"id": "Language-structure-0012", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'When the sun set, we lit the candles, and we continued reading,' what type of sentence is this?", "answer": "compound-complex sentence", "answer_aliases": [], "target_scores": {"compound-complex sentence": 1.0, "simple sentence": 0.0, "compound sentence": 0.0, "complex sentence": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "compound-complex", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b002", "prompt_sha256": "fbd6baec5f76ecbe"}, "rationale": "It has a dependent clause ('When the sun set') and two independent clauses joined by 'and'."}
{"id": "Language-structure-0013", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'The manager who hired us explained the new policy clearly', which words form the relative clause?", "answer": "who hired us", "answer_aliases": [], "target_scores": {"who hired us": 1.0, "explained the new policy": 0.0, "the manager": 0.0, "clearly": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "who hired us", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b003", "prompt_sha256": "2191a769b5e3bc28"}, "rationale": "The relative clause 'who hired us' modifies 'manager' and begins with the relative pronoun 'who'."}
{"id": "Language-structure-0014", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'The committee sent the report to the board yesterday', what is the direct object?", "answer": "the report", "answer_aliases": [], "target_scores": {"the report": 1.0, "the committee": 0.0, "the board": 0.0, "yesterday": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "the report", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b003", "prompt_sha256": "2191a769b5e3bc28"}, "rationale": "The direct object receives the action of the verb 'sent' and is 'the report'."}
{"id": "Language-structure-0015", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'They had finished the project before the deadline arrived', what tense is 'had finished'?", "answer": "past perfect", "answer_aliases": ["past perfect tense"], "target_scores": {"past perfect": 1.0, "simple past": 0.0, "present perfect": 0.0, "future perfect": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "past perfect", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b003", "prompt_sha256": "2191a769b5e3bc28"}, "rationale": "'Had finished' uses had plus a past participle to show an action completed before another past event."}
{"id": "Language-structure-0016", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'The dogs barked while the mail carrier walked past', which noun is the subject of the second clause?", "answer": "the mail carrier", "answer_aliases": [], "target_scores": {"the mail carrier": 1.0, "the dogs": 0.0, "barked": 0.0, "past": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "mail carrier", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b003", "prompt_sha256": "2191a769b5e3bc28"}, "rationale": "In the clause 'while the mail carrier walked past', 'the mail carrier' performs the action 'walked'."}
{"id": "Language-structure-0017", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "What is the plural form of the noun 'leaf'?", "answer": "leaves", "answer_aliases": [], "target_scores": {"leaves": 1.0, "leafs": 0.0, "leave": 0.0, "leafes": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "leaves", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b003", "prompt_sha256": "2191a769b5e3bc28"}, "rationale": "Nouns ending in -f often change to -ves in the plural, so 'leaf' becomes 'leaves'."}
{"id": "Language-structure-0018", "tier": "mid", "category": "Language-structure", "difficulty": "Mid", "question": "In the sentence 'Because it rained, the match was postponed', what type of clause is 'Because it rained'?", "answer": "subordinate clause", "answer_aliases": ["dependent clause"], "target_scores": {"subordinate clause": 1.0, "main clause": 0.0, "relative clause": 0.0, "coordinate clause": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "adverbial clause", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-structure-b003", "prompt_sha256": "2191a769b5e3bc28"}, "rationale": "'Because it rained' cannot stand alone and depends on the main clause for its meaning."}
{"id": "Language-transformation-0001", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite the following sentence in the passive voice: 'The chef prepared a delicious meal.'", "answer": "A delicious meal was prepared by the chef.", "answer_aliases": [], "target_scores": {"A delicious meal was prepared by the chef.": 1.0, "The chef was prepared a delicious meal.": 0.0, "A delicious meal is prepared by the chef.": 0.0, "The chef prepared a delicious meal in the passive voice.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A delicious meal was prepared by the chef.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b001", "prompt_sha256": "8671f3b3b2b814ce"}, "rationale": "In passive voice, the object becomes the subject and the subject becomes the agent introduced by 'by'."}
{"id": "Language-transformation-0002", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite the following direct speech as reported speech: He said, 'I am going to the store.'", "answer": "He said that he was going to the store.", "answer_aliases": ["He said he was going to the store."], "target_scores": {"He said that he was going to the store.": 1.0, "He said that I am going to the store.": 0.0, "He said that he is going to the store.": 0.0, "He said that he was going to the store yesterday.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "He said that he was going to the store.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b001", "prompt_sha256": "8671f3b3b2b814ce"}, "rationale": "In reported speech, present continuous changes to past continuous and the pronoun changes to match the speaker."}
{"id": "Language-transformation-0003", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Combine these two sentences into one sentence using a suitable conjunction: 'It rained heavily. The streets flooded.'", "answer": "Because it rained heavily, the streets flooded.", "answer_aliases": ["The streets flooded because it rained heavily."], "target_scores": {"Because it rained heavily, the streets flooded.": 1.0, "It rained heavily, and the streets flooded.": 0.0, "The streets flooded but it rained heavily.": 0.0, "It rained heavily because the streets flooded.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "It rained heavily, so the streets flooded.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b001", "prompt_sha256": "8671f3b3b2b814ce"}, "rationale": "The conjunction 'because' correctly shows cause and effect between the rain and the flooding."}
{"id": "Language-transformation-0004", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite the following sentence in the passive voice: 'The museum will open the new exhibit tomorrow.'", "answer": "The new exhibit will be opened by the museum tomorrow.", "answer_aliases": [], "target_scores": {"The new exhibit will be opened by the museum tomorrow.": 1.0, "The new exhibit will open by the museum tomorrow.": 0.0, "The museum will be opened the new exhibit tomorrow.": 0.0, "The new exhibit is opened by the museum tomorrow.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The new exhibit will be opened by the museum tomorrow.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b001", "prompt_sha256": "8671f3b3b2b814ce"}, "rationale": "In passive voice, the future simple becomes 'will be' plus past participle, and the subject becomes the agent."}
{"id": "Language-transformation-0005", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite the following direct speech as reported speech: She asked, 'Can you help me?'", "answer": "She asked if I could help her.", "answer_aliases": ["She asked whether I could help her."], "target_scores": {"She asked if I could help her.": 1.0, "She asked if you can help me.": 0.0, "She asked that I can help her.": 0.0, "She asked can you help her.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "She asked if I could help her.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b001", "prompt_sha256": "8671f3b3b2b814ce"}, "rationale": "In reported speech, the modal 'can' changes to 'could' and the pronouns adjust appropriately."}
{"id": "Language-transformation-0006", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Combine these two sentences into one using a relative pronoun: 'I met a woman. She writes novels.'", "answer": "I met a woman who writes novels.", "answer_aliases": ["I met a woman that writes novels."], "target_scores": {"I met a woman who writes novels.": 1.0, "I met a woman she writes novels.": 0.0, "I met a woman and she writes novels.": 0.0, "I met a woman which writes novels.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "I met a woman who writes novels.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b001", "prompt_sha256": "8671f3b3b2b814ce"}, "rationale": "The relative pronoun 'who' correctly connects the two sentences and refers to the woman."}
{"id": "Language-transformation-0007", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite the sentence in the passive voice: 'The cat chased the mouse.'", "answer": "The mouse was chased by the cat.", "answer_aliases": [], "target_scores": {"The mouse was chased by the cat.": 1.0, "The cat was chased by the mouse.": 0.0, "The mouse chases the cat.": 0.0, "The mouse is chased by the cat.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The mouse was chased by the cat.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b002", "prompt_sha256": "9b840f20c862b5ea"}, "rationale": "In passive voice, the object becomes the subject, and the verb changes to past participle with 'was'."}
{"id": "Language-transformation-0008", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Convert to reported speech: 'She said, \"I am going to the store.\"'", "answer": "She said that she was going to the store.", "answer_aliases": [], "target_scores": {"She said that she was going to the store.": 1.0, "She said that she is going to the store.": 0.0, "She said that she will go to the store.": 0.0, "She said, 'She is going to the store.'": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "She said that she was going to the store.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b002", "prompt_sha256": "9b840f20c862b5ea"}, "rationale": "In reported speech, the pronoun and tense shift from present to past for consistency."}
{"id": "Language-transformation-0009", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Combine these two sentences into one using a subordinating conjunction: 'The sun set. The sky turned orange.'", "answer": "When the sun set, the sky turned orange.", "answer_aliases": [], "target_scores": {"When the sun set, the sky turned orange.": 1.0, "The sun set, and the sky turned orange.": 0.0, "The sky turned orange as the sun set.": 0.0, "Because the sun set, the sky turned orange.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "After the sun set, the sky turned orange.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b002", "prompt_sha256": "9b840f20c862b5ea"}, "rationale": "Using 'when' indicates that the sky turned orange at the time of the sunset."}
{"id": "Language-transformation-0010", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite in the future tense: 'She eats breakfast every morning.'", "answer": "She will eat breakfast every morning.", "answer_aliases": [], "target_scores": {"She will eat breakfast every morning.": 1.0, "She ate breakfast every morning.": 0.0, "She is eating breakfast every morning.": 0.0, "She eats breakfast tomorrow.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "She will eat breakfast every morning.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b002", "prompt_sha256": "9b840f20c862b5ea"}, "rationale": "The future simple tense uses 'will' followed by the base verb."}
{"id": "Language-transformation-0011", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Change to plural: 'The child played with a toy.'", "answer": "The children played with toys.", "answer_aliases": [], "target_scores": {"The children played with toys.": 1.0, "The child plays with toys.": 0.0, "The children play with a toy.": 0.0, "The childrens played with toys.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The children played with toys.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b002", "prompt_sha256": "9b840f20c862b5ea"}, "rationale": "Both the noun and object are made plural to reflect more than one."}
{"id": "Language-transformation-0012", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite the sentence 'The cat ate the fish' in the future perfect tense.", "answer": "The cat will have eaten the fish.", "answer_aliases": [], "target_scores": {"The cat will have eaten the fish.": 1.0, "The cat will eat the fish.": 0.0, "The cat has eaten the fish.": 0.0, "The cat would have eaten the fish.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The cat will have eaten the fish.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b003", "prompt_sha256": "0513d36b437ffd29"}, "rationale": "Future perfect uses 'will have' plus the past participle 'eaten'."}
{"id": "Language-transformation-0013", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Change the noun phrase 'one book' to plural form.", "answer": "two books", "answer_aliases": [], "target_scores": {"two books": 1.0, "one books": 0.0, "two book": 0.0, "several book": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "books", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b003", "prompt_sha256": "0513d36b437ffd29"}, "rationale": "The plural of 'book' is 'books' and the numeral changes to 'two'."}
{"id": "Language-transformation-0014", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "What is the antonym of the adjective 'transparent'?", "answer": "opaque", "answer_aliases": ["non-transparent"], "target_scores": {"opaque": 1.0, "clear": 0.0, "bright": 0.0, "thin": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "opaque", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b003", "prompt_sha256": "0513d36b437ffd29"}, "rationale": "Opaque means not allowing light through, the opposite of transparent."}
{"id": "Language-transformation-0015", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Reorder the words to form a grammatically correct sentence: 'tree the under slept dog the'.", "answer": "The dog slept under the tree.", "answer_aliases": [], "target_scores": {"The dog slept under the tree.": 1.0, "The tree slept under the dog.": 0.0, "The dog under slept the tree.": 0.0, "Under the tree slept dog the.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The dog slept under the tree.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b003", "prompt_sha256": "0513d36b437ffd29"}, "rationale": "Subject 'dog' precedes verb 'slept' with the prepositional phrase at the end."}
{"id": "Language-transformation-0016", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Convert the command 'Close the window' into a negative infinitive instruction.", "answer": "Do not close the window.", "answer_aliases": ["Don't close the window."], "target_scores": {"Do not close the window.": 1.0, "Close not the window.": 0.0, "Not close the window.": 0.0, "Does not close the window.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Do not close the window.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b003", "prompt_sha256": "0513d36b437ffd29"}, "rationale": "Negative imperatives use 'do not' before the base verb."}
{"id": "Language-transformation-0017", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite 'He can swim well' using the modal 'might' to express possibility.", "answer": "He might swim well.", "answer_aliases": [], "target_scores": {"He might swim well.": 1.0, "He may swim well.": 0.0, "He must swim well.": 0.0, "He might swam well.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "He might swim well.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b003", "prompt_sha256": "0513d36b437ffd29"}, "rationale": "Replacing 'can' with 'might' changes ability to possibility with the base verb."}
{"id": "Language-transformation-0018", "tier": "mid", "category": "Language-transformation", "difficulty": "Mid", "question": "Rewrite this direct speech in reported speech: She said, 'I enjoy gardening.'", "answer": "She said that she enjoyed gardening.", "answer_aliases": ["She said she enjoyed gardening."], "target_scores": {"She said that she enjoyed gardening.": 1.0, "She said that she enjoys gardening.": 0.0, "She says that she enjoys gardening.": 0.0, "She said that she enjoy gardening.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "fuzzy", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "She said that she enjoyed gardening.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Language-transformation-b004", "prompt_sha256": "09f6a6d1e5370cb5"}, "rationale": "The present tense verb 'enjoy' backshifts to past tense 'enjoyed' after a past reporting verb."}
{"id": "Logic-consistency-0001", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The library is open every weekday.' Statement B: 'The library is closed on weekends.' Statement C: 'The library is open on Saturdays.' Which pair of statements contradicts each other?", "answer": "B and C", "answer_aliases": ["Statements B and C contradict", "B and C conflict"], "target_scores": {"B and C": 1.0, "A and B": 0.0, "A and C": 0.0, "All are consistent": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "B and C", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b001", "prompt_sha256": "fd94bbcd3c5bd619"}, "rationale": "B says the library is closed on weekends, but C says it is open on Saturdays, which is a weekend day."}
{"id": "Logic-consistency-0002", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'Emily never eats meat.' Statement B: 'Emily eats chicken at least once a week.' Statement C: 'Emily's favorite food is tofu.' Which pair of statements cannot both be true?", "answer": "A and B", "answer_aliases": ["Statements A and B contradict", "A conflicts with B"], "target_scores": {"A and B": 1.0, "A and C": 0.0, "B and C": 0.0, "All can be true": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A and B", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b001", "prompt_sha256": "fd94bbcd3c5bd619"}, "rationale": "If Emily never eats meat, she cannot eat chicken, so A and B are contradictory."}
{"id": "Logic-consistency-0003", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'It rained yesterday.' Statement B: 'It was sunny all day yesterday.' Statement C: 'The ground was wet yesterday morning.' Which two statements are contradictory?", "answer": "A and B", "answer_aliases": ["A and B conflict", "A contradicts B"], "target_scores": {"A and B": 1.0, "A and C": 0.0, "B and C": 0.0, "None are contradictory": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A and B", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b001", "prompt_sha256": "fd94bbcd3c5bd619"}, "rationale": "It cannot both rain and be sunny all day, so A and B cannot both be true."}
{"id": "Logic-consistency-0004", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'John is a teenager.' Statement B: 'John is 20 years old.' Statement C: 'John is older than 12.' Which pair must be false together?", "answer": "A and B", "answer_aliases": ["A and B are contradictory", "A contradicts B"], "target_scores": {"A and B": 1.0, "A and C": 0.0, "B and C": 0.0, "All can be true": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A and B", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b001", "prompt_sha256": "fd94bbcd3c5bd619"}, "rationale": "A teenager is between 13 and 19, so 20 years old contradicts being a teenager."}
{"id": "Logic-consistency-0005", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The red book is on the top shelf.' Statement B: 'The red book is on the middle shelf.' Statement C: 'The red book is higher than the bottom shelf.' Which statements are inconsistent with each other?", "answer": "A and B", "answer_aliases": ["A and B are inconsistent", "A and B contradict"], "target_scores": {"A and B": 1.0, "A and C": 0.0, "B and C": 0.0, "None are inconsistent": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A and B", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b001", "prompt_sha256": "fd94bbcd3c5bd619"}, "rationale": "A book cannot be on both the top shelf and the middle shelf at the same time."}
{"id": "Logic-consistency-0006", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The car is either red or blue.' Statement B: 'The car is blue.' Statement C: 'The car is red.' Which pair of statements is logically contradictory?", "answer": "B and C", "answer_aliases": ["B and C contradict", "B conflicts with C"], "target_scores": {"B and C": 1.0, "A and B": 0.0, "A and C": 0.0, "All are logically consistent": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "B and C", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b001", "prompt_sha256": "fd94bbcd3c5bd619"}, "rationale": "A car cannot be both blue and red at the same time."}
{"id": "Logic-consistency-0007", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Consider these statements about weather: A: 'It always rains on Tuesdays.' B: 'Last Tuesday was sunny.' C: 'Next Tuesday will be cloudy.' Are all three statements consistent?", "answer": "No", "answer_aliases": ["No, they contradict each other"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only if the forecast is wrong": 0.0, "They are all consistent": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "No", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b002", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "A claim that it always rains on Tuesdays is contradicted by a sunny Tuesday."}
{"id": "Logic-consistency-0008", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "A says: 'John always exercises in the morning.' B reports: 'Yesterday, John exercised at night.' C says: 'John plans to exercise tomorrow morning.' Do all statements agree?", "answer": "No", "answer_aliases": ["No, they disagree"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only if 'always' has exceptions": 0.0, "They agree because tomorrow is planned": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "No", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b002", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "A claim of always exercising in the morning is contradicted by an instance of night exercise."}
{"id": "Logic-consistency-0009", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "A: 'All employees must work on weekends.' B: 'The company is closed on weekends.' C: 'Alice is an employee.' Are these statements consistent?", "answer": "No", "answer_aliases": ["No, they conflict"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only if Alice doesn't work": 0.0, "They are consistent if weekends are optional": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "No", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b002", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "A requirement to work on weekends conflicts with the company being closed."}
{"id": "Logic-consistency-0010", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The library opens at 9 AM on weekdays.' Statement B: 'The library was open at 8 AM on Tuesday.' Are these consistent?", "answer": "No", "answer_aliases": ["No, they conflict"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only during summer": 0.0, "Only if it was a holiday": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "No", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b003", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "Opening at 9 AM contradicts being open at 8 AM on a weekday."}
{"id": "Logic-consistency-0011", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'Every bus on route 5 is electric.' Statement B: 'The bus we rode on route 5 used diesel.' Can both be true?", "answer": "No", "answer_aliases": ["No, they cannot both be true"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only if it was a replacement bus": 0.0, "Only on weekends": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "No", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b003", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "A diesel bus on route 5 contradicts all such buses being electric."}
{"id": "Logic-consistency-0012", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The recipe requires exactly two eggs.' Statement B: 'The recipe uses three eggs.' Are the statements compatible?", "answer": "No", "answer_aliases": ["No, they are incompatible"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only for large batches": 0.0, "Only if one is optional": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "no", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b003", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "Requiring two eggs conflicts with using three."}
{"id": "Logic-consistency-0013", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The park closes at sunset.' Statement B: 'The park was open at midnight.' Do these agree?", "answer": "No", "answer_aliases": ["No, they disagree"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only in winter": 0.0, "Only with a permit": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "no", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b003", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "Being open at midnight contradicts closing at sunset."}
{"id": "Logic-consistency-0014", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'All employees work remotely on Fridays.' Statement B: 'Carla worked in the office on Friday.' Are both possible?", "answer": "No", "answer_aliases": ["No, they are not both possible"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only if Carla is new": 0.0, "Only during training": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "no", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b003", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "An employee in the office on Friday contradicts all working remotely."}
{"id": "Logic-consistency-0015", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The pool is heated to 28 degrees.' Statement B: 'The pool temperature was 22 degrees.' Can these both hold?", "answer": "No", "answer_aliases": ["No, they cannot both hold"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only at night": 0.0, "Only in winter": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "no", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b003", "prompt_sha256": "d260d814e53f93c5"}, "rationale": "A temperature of 22 degrees contradicts it being heated to 28."}
{"id": "Logic-consistency-0016", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The number is even.' Statement B: 'The number is odd.' Statement C: 'The number is a prime number.' Are these three statements consistent?", "answer": "No", "answer_aliases": ["No, they contradict", "No, they are not all true"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only A and B are consistent": 0.0, "Only A and C are consistent": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "No", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b004", "prompt_sha256": "fdece7d172266ad3"}, "rationale": "A number cannot be both even and odd, so statements A and B cannot both be true."}
{"id": "Logic-consistency-0017", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'The person is over 40 years old.' Statement B: 'The person is under 30 years old.' Statement C: 'The person enjoys hiking.' Can all three claims be true?", "answer": "No", "answer_aliases": ["No, they cannot all be true"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only A and C can be true": 0.0, "Only B and C can be true": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "No", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b004", "prompt_sha256": "fdece7d172266ad3"}, "rationale": "A person cannot be both over 40 and under 30, so A and B are contradictory."}
{"id": "Logic-consistency-0018", "tier": "mid", "category": "Logic-consistency", "difficulty": "Mid", "question": "Statement A: 'All ingredients in the salad are vegetables.' Statement B: 'The salad contains chicken.' Statement C: 'The salad is served cold.' Are these statements consistent?", "answer": "No", "answer_aliases": ["No, they conflict", "No, it's not consistent"], "target_scores": {"No": 1.0, "Yes": 0.0, "Only if the chicken is a vegetable": 0.0, "Only if the salad is hot": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "no", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-consistency-b005", "prompt_sha256": "adee9abec8eb4870"}, "rationale": "Claiming all ingredients are vegetables contradicts containing chicken."}
{"id": "Logic-deduction-0001", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All mammals are warm-blooded. No reptile is warm-blooded. A platypus is a mammal. What can be concluded?", "answer": "A platypus is warm-blooded", "answer_aliases": ["That a platypus is warm-blooded", "Platypuses are warm-blooded"], "target_scores": {"A platypus is warm-blooded": 1.0, "A platypus is a reptile": 0.0, "A platypus is cold-blooded": 0.0, "A platypus is not a mammal": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A platypus is warm-blooded.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b001", "prompt_sha256": "b52c4de7dc31cdb9"}, "rationale": "Since the platypus is a mammal and all mammals are warm-blooded, it is warm-blooded."}
{"id": "Logic-deduction-0002", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All trees are plants. No plant can survive without water. A pine tree is a tree. What can be concluded?", "answer": "A pine tree needs water", "answer_aliases": ["That a pine tree requires water", "Pine trees need water"], "target_scores": {"A pine tree needs water": 1.0, "A pine tree does not need water": 0.0, "A pine tree is not a plant": 0.0, "A pine tree can survive without water": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A pine tree cannot survive without water.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b001", "prompt_sha256": "b52c4de7dc31cdb9"}, "rationale": "Since a pine tree is a tree and all trees are plants, and no plant can survive without water, it needs water."}
{"id": "Logic-deduction-0003", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All stars are luminous. No planet is luminous. The Sun is a star. What can be concluded?", "answer": "The Sun is luminous", "answer_aliases": ["That the Sun is luminous", "The Sun emits light"], "target_scores": {"The Sun is luminous": 1.0, "The Sun is a planet": 0.0, "The Sun is not luminous": 0.0, "The Sun is a moon": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "The Sun is luminous.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b001", "prompt_sha256": "b52c4de7dc31cdb9"}, "rationale": "Since the Sun is a star and all stars are luminous, it is luminous."}
{"id": "Logic-deduction-0004", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All squares are rectangles. No triangle is a rectangle. A rhombus is a square. What can be concluded?", "answer": "A rhombus is a rectangle", "answer_aliases": ["That a rhombus is a rectangle", "Rhombuses are rectangles"], "target_scores": {"A rhombus is a rectangle": 1.0, "A rhombus is a triangle": 0.0, "A rhombus is not a rectangle": 0.0, "A rhombus is a circle": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A rhombus is a rectangle.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b001", "prompt_sha256": "b52c4de7dc31cdb9"}, "rationale": "Since a rhombus is a square and all squares are rectangles, it is a rectangle."}
{"id": "Logic-deduction-0005", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All novels are fiction. No biography is fiction. 'Moby Dick' is a novel. What can be concluded?", "answer": "Moby Dick is fiction", "answer_aliases": ["That Moby Dick is a work of fiction", "Moby Dick is fictional"], "target_scores": {"Moby Dick is fiction": 1.0, "Moby Dick is a biography": 0.0, "Moby Dick is non-fiction": 0.0, "Moby Dick is a poem": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "'Moby Dick' is fiction.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b001", "prompt_sha256": "b52c4de7dc31cdb9"}, "rationale": "Since Moby Dick is a novel and all novels are fiction, it is fiction."}
{"id": "Logic-deduction-0006", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All acids are corrosive. No base is corrosive. Hydrochloric acid is an acid. What can be concluded?", "answer": "Hydrochloric acid is corrosive", "answer_aliases": ["That hydrochloric acid is corrosive", "HCl is corrosive"], "target_scores": {"Hydrochloric acid is corrosive": 1.0, "Hydrochloric acid is a base": 0.0, "Hydrochloric acid is not corrosive": 0.0, "Hydrochloric acid is neutral": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Hydrochloric acid is corrosive.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b001", "prompt_sha256": "b52c4de7dc31cdb9"}, "rationale": "Since hydrochloric acid is an acid and all acids are corrosive, it is corrosive."}
{"id": "Logic-deduction-0007", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All birds have feathers. No mammals have feathers. A bat is a mammal. What follows?", "answer": "A bat does not have feathers", "answer_aliases": ["A bat lacks feathers"], "target_scores": {"A bat does not have feathers": 1.0, "A bat has feathers": 0.0, "A bat is a bird": 0.0, "Nothing follows": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The bat is not a bird", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b002", "prompt_sha256": "175449c107ee3caa"}, "rationale": "From the premises, mammals do not have feathers, and a bat is a mammal."}
{"id": "Logic-deduction-0008", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All vegetables grow in soil. No fruits grow in soil. A tomato is a fruit. What follows?", "answer": "A tomato does not grow in soil", "answer_aliases": ["That tomatoes do not grow in soil"], "target_scores": {"A tomato does not grow in soil": 1.0, "A tomato grows in soil": 0.0, "A tomato is a vegetable": 0.0, "Tomatoes are always grown in pots": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Tomatoes are not vegetables", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b002", "prompt_sha256": "175449c107ee3caa"}, "rationale": "Fruits do not grow in soil, and a tomato is classified as a fruit."}
{"id": "Logic-deduction-0009", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All triangles have three sides. No circles have three sides. A shape is either a triangle or a circle. What follows about a shape that is not a triangle?", "answer": "It is a circle", "answer_aliases": ["That it is a circle"], "target_scores": {"It is a circle": 1.0, "It is a square": 0.0, "It has no sides": 0.0, "Nothing follows": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "It is a circle", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b002", "prompt_sha256": "175449c107ee3caa"}, "rationale": "From the disjunction, if it is not a triangle, it must be a circle."}
{"id": "Logic-deduction-0010", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All humans are mortal. No mortals are immortal. Socrates is a human. What can we say about Socrates?", "answer": "Socrates is not immortal", "answer_aliases": ["Socrates is mortal"], "target_scores": {"Socrates is not immortal": 1.0, "Socrates is immortal": 0.0, "Socrates is a god": 0.0, "Nothing follows": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Socrates is mortal", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b002", "prompt_sha256": "175449c107ee3caa"}, "rationale": "As a human, Socrates is mortal, and mortals are not immortal."}
{"id": "Logic-deduction-0011", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All positive numbers are greater than zero. No negative numbers are greater than zero. x is a negative number. What follows about x?", "answer": "x is not greater than zero", "answer_aliases": ["x is less than zero"], "target_scores": {"x is not greater than zero": 1.0, "x is greater than zero": 0.0, "x is zero": 0.0, "x is positive": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "x is not greater than zero", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b002", "prompt_sha256": "175449c107ee3caa"}, "rationale": "Negative numbers are not greater than zero, and x is negative."}
{"id": "Logic-deduction-0012", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All mammals breathe air. All whales are mammals. No air-breathing animal can survive indefinitely without oxygen. What follows about whales?", "answer": "Whales cannot survive indefinitely without oxygen", "answer_aliases": [], "target_scores": {"Whales cannot survive indefinitely without oxygen": 1.0, "Whales can survive indefinitely without oxygen": 0.0, "Whales do not breathe air": 0.0, "Only some whales are mammals": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Whales cannot survive indefinitely without oxygen", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b003", "prompt_sha256": "05126bd9e61c0cbb"}, "rationale": "Whales are mammals that breathe air, so the oxygen rule applies to them."}
{"id": "Logic-deduction-0013", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "Every metal conducts electricity. Copper is a metal. Lead is not a good conductor of heat. What can be concluded about copper?", "answer": "Copper conducts electricity", "answer_aliases": [], "target_scores": {"Copper conducts electricity": 1.0, "Copper does not conduct electricity": 0.0, "Copper is not a metal": 0.0, "Copper conducts heat but not electricity": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Copper conducts electricity", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b003", "prompt_sha256": "05126bd9e61c0cbb"}, "rationale": "The universal premise that all metals conduct electricity includes copper."}
{"id": "Logic-deduction-0014", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All rivers flow to the sea. The Nile is a river. No river that flows to the sea is a closed lake. What is the Nile?", "answer": "Not a closed lake", "answer_aliases": ["The Nile is not a closed lake"], "target_scores": {"Not a closed lake": 1.0, "A closed lake": 0.0, "A sea": 0.0, "Not a river": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The Nile flows to the sea", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b003", "prompt_sha256": "05126bd9e61c0cbb"}, "rationale": "Since the Nile flows to the sea, it cannot be a closed lake."}
{"id": "Logic-deduction-0015", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "No reptile is warm-blooded. A lizard is a reptile. All warm-blooded animals regulate their own body temperature. What follows about lizards?", "answer": "Lizards do not regulate their own body temperature", "answer_aliases": [], "target_scores": {"Lizards do not regulate their own body temperature": 1.0, "Lizards regulate their own body temperature": 0.0, "Lizards are warm-blooded": 0.0, "Lizards are not reptiles": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Lizards are not warm-blooded", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b003", "prompt_sha256": "05126bd9e61c0cbb"}, "rationale": "As reptiles, lizards are not warm-blooded and thus lack that trait."}
{"id": "Logic-deduction-0016", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "Every integer is a rational number. Three is an integer. No rational number is irrational. What is three?", "answer": "Not irrational", "answer_aliases": ["Three is not irrational"], "target_scores": {"Not irrational": 1.0, "Irrational": 0.0, "Not rational": 0.0, "Neither rational nor irrational": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Three is a rational number", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b003", "prompt_sha256": "05126bd9e61c0cbb"}, "rationale": "Three is rational, so by the negative premise it is not irrational."}
{"id": "Logic-deduction-0017", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All amphibians are cold-blooded. No mammal is cold-blooded. All frogs are amphibians. What conclusion can be drawn about frogs?", "answer": "Frogs are not mammals", "answer_aliases": ["That frogs are not mammals"], "target_scores": {"Frogs are not mammals": 1.0, "Frogs are mammals": 0.0, "Frogs are warm-blooded": 0.0, "No valid conclusion": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Frogs are cold-blooded.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b004", "prompt_sha256": "e7f9eb4ac29eb305"}, "rationale": "Since frogs are cold-blooded and no mammal is cold-blooded, frogs cannot be mammals."}
{"id": "Logic-deduction-0018", "tier": "mid", "category": "Logic-deduction", "difficulty": "Mid", "question": "All mammals have a diaphragm. All animals that have a diaphragm are vertebrates. Bats are mammals. Are bats vertebrates?", "answer": "Yes", "answer_aliases": ["Yes, bats are vertebrates", "Yes, they are"], "target_scores": {"Yes": 1.0, "No": 0.0, "Only if they can fly": 0.0, "Not necessarily": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Yes", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-deduction-b005", "prompt_sha256": "f46f0483788812ef"}, "rationale": "Bats inherit mammal status, which guarantees a diaphragm, which guarantees vertebrate status."}
{"id": "Logic-pattern-0001", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "If it is raining, then the ground is wet. It is raining. What rule says the ground is wet?", "answer": "Modus ponens", "answer_aliases": ["Affirming the antecedent"], "target_scores": {"Modus ponens": 1.0, "Modus tollens": 0.0, "Affirming the consequent": 0.0, "Denying the antecedent": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Modus Ponens", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b001", "prompt_sha256": "d5ef9b67d7354423"}, "rationale": "Modus ponens states that if P implies Q and P is true, then Q is true."}
{"id": "Logic-pattern-0002", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "If a number is even, then it is divisible by 2. A number is not divisible by 2. What rule says the number is not even?", "answer": "Modus tollens", "answer_aliases": ["Denying the consequent"], "target_scores": {"Modus tollens": 1.0, "Modus ponens": 0.0, "Hypothetical syllogism": 0.0, "Disjunctive syllogism": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Modus Tollens", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b001", "prompt_sha256": "d5ef9b67d7354423"}, "rationale": "Modus tollens states that if P implies Q and Q is false, then P is false."}
{"id": "Logic-pattern-0003", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "Either it is sunny or it is cloudy. It is not sunny. What rule says it is cloudy?", "answer": "Disjunctive syllogism", "answer_aliases": [], "target_scores": {"Disjunctive syllogism": 1.0, "Modus ponens": 0.0, "Modus tollens": 0.0, "Hypothetical syllogism": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Disjunctive Syllogism", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b001", "prompt_sha256": "d5ef9b67d7354423"}, "rationale": "Disjunctive syllogism states that if P or Q is true and P is false, then Q must be true."}
{"id": "Logic-pattern-0004", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "In propositional logic, when is the statement 'P and Q' true?", "answer": "When both P and Q are true", "answer_aliases": ["Only when both are true"], "target_scores": {"When both P and Q are true": 1.0, "When at least one is true": 0.0, "When P is true": 0.0, "When Q is true": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "When both P and Q are true", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b001", "prompt_sha256": "d5ef9b67d7354423"}, "rationale": "The conjunction is true only if both conjuncts are true."}
{"id": "Logic-pattern-0005", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "If the sun is shining, the shadows are sharp. The sun is shining. What is true about the shadows?", "answer": "They are sharp", "answer_aliases": ["The shadows are sharp"], "target_scores": {"They are sharp": 1.0, "They are blurred": 0.0, "They are absent": 0.0, "Nothing can be determined": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The shadows are sharp.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b002", "prompt_sha256": "3bf044e4e137df5d"}, "rationale": "Direct application of modus ponens."}
{"id": "Logic-pattern-0006", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "If the engine is running, the car moves. The car does not move. What can be inferred about the engine?", "answer": "It is not running", "answer_aliases": ["The engine is not running"], "target_scores": {"It is not running": 1.0, "It is running smoothly": 0.0, "It is overheating": 0.0, "The car is parked": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "The engine is not running.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b002", "prompt_sha256": "3bf044e4e137df5d"}, "rationale": "Modus tollens: denying the consequent."}
{"id": "Logic-pattern-0007", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "The statement is 'All flowers are red.' What is the correct negation of this statement?", "answer": "Not all flowers are red", "answer_aliases": ["Some flowers are not red"], "target_scores": {"Not all flowers are red": 1.0, "All flowers are not red": 0.0, "Some flowers are red": 0.0, "No flowers are red": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "Some flowers are not red.", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b002", "prompt_sha256": "3bf044e4e137df5d"}, "rationale": "Negation of 'all' is 'not all' or 'some are not'."}
{"id": "Logic-pattern-0008", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "If it is a holiday, the bank is closed. What is the contrapositive of this statement?", "answer": "If the bank is not closed, it is not a holiday", "answer_aliases": [], "target_scores": {"If the bank is not closed, it is not a holiday": 1.0, "If it is not a holiday, the bank is open": 0.0, "If the bank is closed, it is a holiday": 0.0, "If it is a holiday, the bank is open": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "If the bank is not closed, then it is not a holiday.", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b002", "prompt_sha256": "3bf044e4e137df5d"}, "rationale": "Contrapositive reverses and negates both parts."}
{"id": "Logic-pattern-0009", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "A statement is true only when both parts are true. Which logical connective describes this behavior?", "answer": "Conjunction", "answer_aliases": ["AND"], "target_scores": {"Conjunction": 1.0, "Disjunction": 0.0, "Implication": 0.0, "Biconditional": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "AND", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b003", "prompt_sha256": "d476bf664b41d817"}, "rationale": "Conjunction is true exactly when both conjuncts are true."}
{"id": "Logic-pattern-0010", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "If a rule says 'if P then Q' and P is false, what can be concluded about Q?", "answer": "Nothing", "answer_aliases": ["No conclusion"], "target_scores": {"Nothing": 1.0, "Q is true": 0.0, "Q is false": 0.0, "Q equals P": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "nothing", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b003", "prompt_sha256": "d476bf664b41d817"}, "rationale": "A false antecedent makes the conditional vacuously true, leaving Q undetermined."}
{"id": "Logic-pattern-0011", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "A truth table shows a connective that is false only when both inputs are true. Which connective is this?", "answer": "NAND", "answer_aliases": ["Not AND"], "target_scores": {"NAND": 1.0, "NOR": 0.0, "XOR": 0.0, "OR": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "NAND", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b003", "prompt_sha256": "d476bf664b41d817"}, "rationale": "NAND is the negation of conjunction and is false only when both inputs are true."}
{"id": "Logic-pattern-0012", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "A rule chain states: if A then B, and if B then C. Given A is true, which single statement must follow?", "answer": "C is true", "answer_aliases": ["C must be true"], "target_scores": {"C is true": 1.0, "B is false": 0.0, "A is false": 0.0, "C is false": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "C", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b003", "prompt_sha256": "d476bf664b41d817"}, "rationale": "Transitivity of implication yields A implies C, so C follows from A."}
{"id": "Logic-pattern-0013", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "Which connective is true when exactly one of two statements is true, but not both?", "answer": "XOR", "answer_aliases": ["Exclusive OR"], "target_scores": {"XOR": 1.0, "AND": 0.0, "OR": 0.0, "IFF": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "XOR", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b003", "prompt_sha256": "d476bf664b41d817"}, "rationale": "Exclusive OR is true precisely when the inputs differ in truth value."}
{"id": "Logic-pattern-0014", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "Which logical operation is false only when both of its inputs are false?", "answer": "OR", "answer_aliases": ["Disjunction", "Logical OR"], "target_scores": {"OR": 1.0, "AND": 0.0, "NAND": 0.0, "NOR": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "OR (disjunction)", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b004", "prompt_sha256": "a6973620bacdc428"}, "rationale": "OR returns false only when both input statements are false."}
{"id": "Logic-pattern-0015", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "Which logical operation yields a true result exactly when its two inputs have different truth values?", "answer": "XOR", "answer_aliases": ["Exclusive OR", "Logical XOR"], "target_scores": {"XOR": 1.0, "OR": 0.0, "AND": 0.0, "NAND": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "XOR", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b004", "prompt_sha256": "a6973620bacdc428"}, "rationale": "XOR returns true when the inputs are different."}
{"id": "Logic-pattern-0016", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "In a conditional statement 'if A then B', what is the only combination of truth values for A and B that makes the entire statement false?", "answer": "A true, B false", "answer_aliases": ["True antecedent with false consequent"], "target_scores": {"A true, B false": 1.0, "A false, B true": 0.0, "Both true": 0.0, "Both false": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "A true and B false", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b004", "prompt_sha256": "a6973620bacdc428"}, "rationale": "The material conditional is false only when the antecedent is true and the consequent is false."}
{"id": "Logic-pattern-0017", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "Which logical operation between two statements returns true exactly when the two statements have the same truth value?", "answer": "Biconditional", "answer_aliases": ["Equivalence", "XNOR"], "target_scores": {"Biconditional": 1.0, "Conditional": 0.0, "Conjunction": 0.0, "Disjunction": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "XNOR", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b004", "prompt_sha256": "a6973620bacdc428"}, "rationale": "A biconditional is true when both parts are either both true or both false."}
{"id": "Logic-pattern-0018", "tier": "mid", "category": "Logic-pattern", "difficulty": "Mid", "question": "For a logical AND operation, if the output is true, what must be the values of the two inputs?", "answer": "Both inputs are true", "answer_aliases": ["Both are true"], "target_scores": {"Both inputs are true": 1.0, "At least one input is true": 0.0, "Both inputs are false": 0.0, "One input is true and the other false": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "both true", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Logic-pattern-b005", "prompt_sha256": "aaa180ff17b87499"}, "rationale": "AND requires both inputs to be true for a true output."}
{"id": "Math-arithmetic-0001", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A classroom has 6 rows of desks with 5 desks per row. The teacher adds 3 more desks to each row. Then she removes 2 desks from the room. How many desks are there now?", "answer": "46", "answer_aliases": [], "target_scores": {"46": 1.0, "30": 0.0, "48": 0.0, "31": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "6*5+6*3-2"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b001", "prompt_sha256": "144ca7624f0b0e7f"}, "rationale": "Multiply rows by desks per row, add extra desks, then subtract removed: 30 + 18 - 2 = 46."}
{"id": "Math-arithmetic-0002", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A pack of stickers costs $2. Venus buys 3 packs and a book for $5. She pays with a $20 bill. How much change does she receive?", "answer": "9", "answer_aliases": [], "target_scores": {"9": 1.0, "11": 0.0, "14": 0.0, "15": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "20-3*2-5"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b001", "prompt_sha256": "144ca7624f0b0e7f"}, "rationale": "Total cost is 3*2+5=11, and 20 minus 11 is 9."}
{"id": "Math-arithmetic-0003", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A school buys 3 rolls of tickets. Each roll has 50 tickets. They use 20 tickets for a raffle. How many tickets are left?", "answer": "130", "answer_aliases": [], "target_scores": {"130": 1.0, "150": 0.0, "100": 0.0, "50": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "3*50-20"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b001", "prompt_sha256": "144ca7624f0b0e7f"}, "rationale": "3 rolls of 50 tickets is 150, minus 20 used leaves 130."}
{"id": "Math-arithmetic-0004", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A library had 340 books. They received 125 new books and donated 87 books. How many books do they have now?", "answer": "378", "answer_aliases": [], "target_scores": {"378": 1.0, "302": 0.0, "552": 0.0, "128": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "340+125-87"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b002", "prompt_sha256": "0aee5b9daf589083"}, "rationale": "340 plus 125 is 465, minus 87 is 378."}
{"id": "Math-arithmetic-0005", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A farmer plants 6 rows of apple trees with 14 trees each, plus 23 pear trees. How many trees are there in total?", "answer": "107", "answer_aliases": [], "target_scores": {"107": 1.0, "84": 0.0, "130": 0.0, "87": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "6*14+23"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b002", "prompt_sha256": "0aee5b9daf589083"}, "rationale": "6 times 14 is 84, plus 23 is 107."}
{"id": "Math-arithmetic-0006", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A warehouse ships 3 crates each weighing 145 kg. After unloading 2 crates, a truck carries the rest plus an extra 80 kg load. What is the total weight on the truck in kg?", "answer": "225", "answer_aliases": [], "target_scores": {"225": 1.0, "435": 0.0, "515": 0.0, "145": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "145*3-145*2+80"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b003", "prompt_sha256": "ae1a8e04021fb041"}, "rationale": "One crate left (145 kg) plus 80 kg extra equals 225 kg."}
{"id": "Math-arithmetic-0007", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A train travels 120 km, stops, then travels another 3 times that distance. How many km did it travel in total?", "answer": "480", "answer_aliases": [], "target_scores": {"480": 1.0, "360": 0.0, "240": 0.0, "600": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "120+120*3"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b003", "prompt_sha256": "ae1a8e04021fb041"}, "rationale": "120 plus 360 equals 480 km total."}
{"id": "Math-arithmetic-0008", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A library has 864 books to pack into boxes of 24. How many full boxes are needed?", "answer": "36", "answer_aliases": [], "target_scores": {"36": 1.0, "34": 0.0, "35": 0.0, "37": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "864/24"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b003", "prompt_sha256": "ae1a8e04021fb041"}, "rationale": "24 times 36 equals 864, so 36 boxes are needed."}
{"id": "Math-arithmetic-0009", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A store sells shirts for $15 each and offers a buy 3 get 1 free deal. Sarah buys 4 shirts and also has a $5 coupon. How much does she pay?", "answer": "40", "answer_aliases": [], "target_scores": {"40": 1.0, "45": 0.0, "55": 0.0, "35": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "(4-1)*15-5"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b004", "prompt_sha256": "e7fe8d94bcc11fae"}, "rationale": "She pays for 3 shirts at $15 each ($45) minus the $5 coupon equals $40."}
{"id": "Math-arithmetic-0010", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "Emily saves $5 each week for 8 weeks. She then gives $12 to a charity and divides the remaining money equally among 4 friends. How much does each friend get?", "answer": "7", "answer_aliases": [], "target_scores": {"7": 1.0, "10": 0.0, "28": 0.0, "14": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "(5*8-12)/4"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b004", "prompt_sha256": "e7fe8d94bcc11fae"}, "rationale": "Total saved is $5*8=$40, minus $12 is $28, divided by 4 friends is $7 each."}
{"id": "Math-arithmetic-0011", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A recipe requires 2 cups of flour for each batch of cookies. You have 3 cups of flour. If you want to make 5 batches, and each extra cup of flour costs $2, how much will you spend on additional flour?", "answer": "14", "answer_aliases": [], "target_scores": {"14": 1.0, "10": 0.0, "20": 0.0, "4": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "(2*5-3)*2"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b004", "prompt_sha256": "e7fe8d94bcc11fae"}, "rationale": "You need 10 cups total, have 3, need 7 more, at $2 each costs $14."}
{"id": "Math-arithmetic-0012", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A bag contains 145 candies. The teacher takes out 5 candies for herself. Then she distributes the remaining candies equally among 8 children. How many candies does each child get?", "answer": "17", "answer_aliases": [], "target_scores": {"17": 1.0, "18": 0.0, "15": 0.0, "10": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "(145-5)//8"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b004", "prompt_sha256": "e7fe8d94bcc11fae"}, "rationale": "After removing 5, 140 candies remain; divided among 8 children gives 17 each."}
{"id": "Math-arithmetic-0013", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A baker makes 150 cookies. He gives 40 to a friend and eats 15 himself. He then packages the rest into bags of 5. How many bags does he fill?", "answer": "19", "answer_aliases": [], "target_scores": {"19": 1.0, "20": 0.0, "18": 0.0, "15": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "(150 - 40 - 15) / 5"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b005", "prompt_sha256": "e6f51465264248b6"}, "rationale": "150 minus 40 minus 15 is 95, divided by 5 is 19."}
{"id": "Math-arithmetic-0014", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A factory produces 240 widgets per hour. After running for 7 hours, it ships out 850 widgets. How many widgets remain in the factory?", "answer": "830", "answer_aliases": [], "target_scores": {"830": 1.0, "910": 0.0, "740": 0.0, "1690": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "240*7-850"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b006", "prompt_sha256": "85635c11634c0b25"}, "rationale": "240 times 7 is 1680, minus 850 gives 830 remaining."}
{"id": "Math-arithmetic-0015", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "A store earns 520 dollars on Monday and 680 dollars on Tuesday. It then pays a bill of 350 dollars. What is the store's total after the bill?", "answer": "850", "answer_aliases": [], "target_scores": {"850": 1.0, "870": 0.0, "830": 0.0, "1200": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "520+680-350"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b006", "prompt_sha256": "85635c11634c0b25"}, "rationale": "520 plus 680 is 1200, minus 350 leaves 850 dollars."}
{"id": "Math-arithmetic-0016", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "Anna has 240 minutes of free time. She spends 1/3 of it reading, then 30 minutes eating, then 1/2 of the remaining time playing games. How many minutes of free time does she have left?", "answer": "65", "answer_aliases": [], "target_scores": {"65": 1.0, "130": 0.0, "50": 0.0, "10": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "(240-240//3-30)//2"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b007", "prompt_sha256": "052842281bcfdefd"}, "rationale": "First, 240/3=80 for reading, remaining 160; subtract 30 for eating leaves 130; half of that is 65 for games, leaving 65."}
{"id": "Math-arithmetic-0017", "tier": "mid", "category": "Math-arithmetic", "difficulty": "Mid", "question": "In a basketball game, Team A scores 24 points in the first quarter, 30 points in the second quarter, and 18 points in the third quarter. If they want to score at least 100 points in total, how many more points do they need in the fourth quarter?", "answer": "28", "answer_aliases": [], "target_scores": {"28": 1.0, "29": 0.0, "27": 0.0, "38": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "100 - 24 - 30 - 18"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-arithmetic-b008", "prompt_sha256": "052842281bcfdefd"}, "rationale": "Total points so far is 72, so 28 more are needed."}
{"id": "Math-pattern-0001", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 5, 8, 12, 15, 19, ?", "answer": "22", "answer_aliases": [], "target_scores": {"22": 1.0, "20": 0.0, "21": 0.0, "23": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [5, 8, 12, 15, 19], "rule": "alternate add 3, add 4"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b001", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The pattern alternates between adding 3 and adding 4, so after adding 4 from 15 to 19, we add 3 to get 22."}
{"id": "Math-pattern-0002", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 2, 9, 12, 19, 22, ?", "answer": "29", "answer_aliases": [], "target_scores": {"29": 1.0, "25": 0.0, "26": 0.0, "30": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [2, 9, 12, 19, 22], "rule": "alternate add 7, add 3"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b001", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The pattern alternates between adding 7 and adding 3, so after adding 3 from 19 to 22, we add 7 to get 29."}
{"id": "Math-pattern-0003", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 3, 5, 11, 13, 19, ?", "answer": "21", "answer_aliases": [], "target_scores": {"21": 1.0, "25": 0.0, "23": 0.0, "22": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [3, 5, 11, 13, 19], "rule": "alternate add 2, add 6"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b001", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The pattern alternates between adding 2 and adding 6, so after adding 6 from 13 to 19, we add 2 to get 21."}
{"id": "Math-pattern-0004", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 0, 3, 8, 15, ?", "answer": "24", "answer_aliases": [], "target_scores": {"24": 1.0, "22": 0.0, "23": 0.0, "25": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [0, 3, 8, 15], "rule": "second_difference 2"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b001", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The first differences increase by 2 each time, as the second difference is constant at 2."}
{"id": "Math-pattern-0005", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 1, 2, 6, 13, ?", "answer": "23", "answer_aliases": [], "target_scores": {"23": 1.0, "20": 0.0, "21": 0.0, "24": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [1, 2, 6, 13], "rule": "second_difference 3"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b001", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The first differences increase by 3 each time, as the second difference is constant at 3."}
{"id": "Math-pattern-0006", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 5, 8, 15, 18, 25, ?", "answer": "28", "answer_aliases": [], "target_scores": {"28": 1.0, "27": 0.0, "30": 0.0, "26": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [5, 8, 15, 18, 25], "rule": "alternate add 3, add 7"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b002", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The steps alternate between adding 3 and adding 7."}
{"id": "Math-pattern-0007", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 1, 4, 9, 16, 25, ?", "answer": "36", "answer_aliases": [], "target_scores": {"36": 1.0, "35": 0.0, "37": 0.0, "34": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [1, 4, 9, 16, 25], "rule": "second_difference 2"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b002", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The sequence has a constant second difference of 2."}
{"id": "Math-pattern-0008", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 3, 7, 8, 12, 13, ?", "answer": "17", "answer_aliases": [], "target_scores": {"17": 1.0, "14": 0.0, "16": 0.0, "15": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [3, 7, 8, 12, 13], "rule": "alternate add 4, add 1"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b002", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The pattern alternates between adding 4 and adding 1."}
{"id": "Math-pattern-0009", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 2, 6, 12, 20, 30, ?", "answer": "42", "answer_aliases": [], "target_scores": {"42": 1.0, "40": 0.0, "44": 0.0, "41": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [2, 6, 12, 20, 30], "rule": "second_difference 2"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b002", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The second difference is constant at 2."}
{"id": "Math-pattern-0010", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 10, 15, 17, 22, 24, ?", "answer": "29", "answer_aliases": [], "target_scores": {"29": 1.0, "26": 0.0, "30": 0.0, "28": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [10, 15, 17, 22, 24], "rule": "alternate add 5, add 2"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b002", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "Alternating additions of 5 and 2."}
{"id": "Math-pattern-0011", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 1, 2, 4, 7, 11, ?", "answer": "16", "answer_aliases": [], "target_scores": {"16": 1.0, "15": 0.0, "17": 0.0, "14": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [1, 2, 4, 7, 11], "rule": "second_difference 1"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b002", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The second difference is constant at 1."}
{"id": "Math-pattern-0012", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 1, 2, 4, 7, 11, 16, ?", "answer": "22", "answer_aliases": [], "target_scores": {"22": 1.0, "21": 0.0, "23": 0.0, "20": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [1, 2, 4, 7, 11, 16], "rule": "second_difference 1"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b003", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "The differences increase by 1 each time, so the next difference is 6."}
{"id": "Math-pattern-0013", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 10, 7, 12, 9, 14, 11, ?", "answer": "16", "answer_aliases": [], "target_scores": {"16": 1.0, "13": 0.0, "15": 0.0, "18": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [10, 7, 12, 9, 14, 11], "rule": "alternate subtract 3, add 5"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b003", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "Steps alternate between subtracting 3 and adding 5."}
{"id": "Math-pattern-0014", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 2, 5, 9, 14, 20, 27, ?", "answer": "35", "answer_aliases": [], "target_scores": {"35": 1.0, "34": 0.0, "36": 0.0, "33": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [2, 5, 9, 14, 20, 27], "rule": "second_difference 1"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b003", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "Differences are 3,4,5,6,7 so the next is 8."}
{"id": "Math-pattern-0015", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 20, 17, 22, 19, 24, 21, ?", "answer": "26", "answer_aliases": [], "target_scores": {"26": 1.0, "23": 0.0, "25": 0.0, "28": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [20, 17, 22, 19, 24, 21], "rule": "alternate subtract 3, add 5"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b003", "prompt_sha256": "913a4f8c2caa5c40"}, "rationale": "Steps alternate between subtracting 3 and adding 5."}
{"id": "Math-pattern-0016", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 1, 4, 5, 8, 9, 12, ?", "answer": "13", "answer_aliases": [], "target_scores": {"13": 1.0, "14": 0.0, "12": 0.0, "15": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [1, 4, 5, 8, 9, 12], "rule": "alternate add 3, add 1"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b005", "prompt_sha256": "c64200faba84660b"}, "rationale": "The sequence alternates between adding 3 and adding 1."}
{"id": "Math-pattern-0017", "tier": "mid", "category": "Math-pattern", "difficulty": "Mid", "question": "What number comes next: 2, 5, 10, 17, 26, ?", "answer": "37", "answer_aliases": [], "target_scores": {"37": 1.0, "36": 0.0, "38": 0.0, "39": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "pattern_dsl", "sequence": [2, 5, 10, 17, 26], "rule": "second_difference 2"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-pattern-b005", "prompt_sha256": "c64200faba84660b"}, "rationale": "The second differences are constant at 2."}
{"id": "Math-reasoning-0001", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A cyclist rides at 15 km/h for 4 hours, then at 20 km/h for 3 hours. What is the total distance traveled?", "answer": "120", "answer_aliases": [], "target_scores": {"120": 1.0, "60": 0.0, "80": 0.0, "140": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "15*4+20*3"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b001", "prompt_sha256": "ccae462f3c3e9407"}, "rationale": "Distance is speed times time; sum the two segments gives 120 km."}
{"id": "Math-reasoning-0002", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "Leo buys 5 notebooks at $2 each and a pencil case for $4. He pays with a $20 note. How much change does he get?", "answer": "6", "answer_aliases": [], "target_scores": {"6": 1.0, "10": 0.0, "16": 0.0, "9": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "20-(5*2+4)"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b001", "prompt_sha256": "ccae462f3c3e9407"}, "rationale": "Total cost is 5*2+4=14; change from $20 is $6."}
{"id": "Math-reasoning-0003", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "Mia is 6 years old. Her mother is 4 times as old as Mia. How many years older than Mia is her mother?", "answer": "18", "answer_aliases": [], "target_scores": {"18": 1.0, "24": 0.0, "4": 0.0, "30": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "4*6-6"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b001", "prompt_sha256": "ccae462f3c3e9407"}, "rationale": "Mother's age is 4*6=24; difference is 24-6=18."}
{"id": "Math-reasoning-0004", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A shirt costs $12. A store promotion offers: buy 2 shirts, get 1 shirt free. Sam buys 4 shirts. How much does he pay?", "answer": "36", "answer_aliases": [], "target_scores": {"36": 1.0, "48": 0.0, "24": 0.0, "12": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "2*12+12"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b001", "prompt_sha256": "ccae462f3c3e9407"}, "rationale": "For 4 shirts, only 3 are paid for: the first two at $12 each and the fourth at $12; the third is free."}
{"id": "Math-reasoning-0005", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "It takes 2 painters 10 hours to paint a house. How many hours would it take 5 painters to paint the same house?", "answer": "4", "answer_aliases": [], "target_scores": {"4": 1.0, "10": 0.0, "5": 0.0, "20": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "2*10/5"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b001", "prompt_sha256": "ccae462f3c3e9407"}, "rationale": "Total work is 2*10=20 painter-hours; for 5 painters, time is 20/5=4 hours."}
{"id": "Math-reasoning-0006", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A rectangle has length 15 cm and width 10 cm. If both length and width are increased by 4 cm, what is the new area?", "answer": "266", "answer_aliases": [], "target_scores": {"266": 1.0, "150": 0.0, "190": 0.0, "210": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "(15+4)*(10+4)"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b001", "prompt_sha256": "ccae462f3c3e9407"}, "rationale": "New dimensions are 19 cm and 14 cm; area is 19*14=266."}
{"id": "Math-reasoning-0007", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "Maria saved $150 in January. In February, she saved $30 less than in January. How much money has she saved in total for these two months?", "answer": "270", "answer_aliases": [], "target_scores": {"270": 1.0, "120": 0.0, "150": 0.0, "180": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "150 + (150 - 30)"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b002", "prompt_sha256": "5fcc98ee219df2c4"}, "rationale": "February savings are 150 - 30 = 120, so total is 150 + 120 = 270."}
{"id": "Math-reasoning-0008", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A pool is filled by two pipes. The first pipe fills 120 liters per hour, and the second fills 80 liters per hour. If the pool has a capacity of 1000 liters, how long will it take to fill the pool completely when both pipes are used?", "answer": "5", "answer_aliases": [], "target_scores": {"5": 1.0, "4": 0.0, "6": 0.0, "10": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "1000 / (120 + 80)"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b002", "prompt_sha256": "5fcc98ee219df2c4"}, "rationale": "Combined rate is 120 + 80 = 200 liters per hour, so 1000 / 200 = 5 hours."}
{"id": "Math-reasoning-0009", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "Tom has 150 stamps. Jerry has 30 more stamps than Tom. How many stamps do they have together?", "answer": "330", "answer_aliases": [], "target_scores": {"330": 1.0, "180": 0.0, "150": 0.0, "300": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "150 + (150 + 30)"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b002", "prompt_sha256": "5fcc98ee219df2c4"}, "rationale": "Jerry has 150 + 30 = 180 stamps, so total is 150 + 180 = 330."}
{"id": "Math-reasoning-0010", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A car's fuel tank is filled with 40 liters of gasoline. The car consumes 8 liters per hour of driving. After driving for 3 hours, how many liters of gasoline are left in the tank?", "answer": "16", "answer_aliases": [], "target_scores": {"16": 1.0, "24": 0.0, "96": 0.0, "15": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "40 - 8*3"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b002", "prompt_sha256": "5fcc98ee219df2c4"}, "rationale": "Consumed 8 liters per hour for 3 hours is 24 liters, so 40 - 24 = 16 liters left."}
{"id": "Math-reasoning-0011", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A baker made 480 cookies. He sold 35 cookies each hour for 6 hours, then gave away 45 cookies. How many cookies does he have left?", "answer": "225", "answer_aliases": [], "target_scores": {"225": 1.0, "255": 0.0, "240": 0.0, "270": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "480-35*6-45"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b003", "prompt_sha256": "793c00febb7921d2"}, "rationale": "Six hours of 35 is 210; 480 minus 210 minus 45 equals 225."}
{"id": "Math-reasoning-0012", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A class had 28 students. 9 new students joined, then 4 students left. How many students are in the class now?", "answer": "33", "answer_aliases": [], "target_scores": {"33": 1.0, "32": 0.0, "41": 0.0, "37": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "28+9-4"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b003", "prompt_sha256": "793c00febb7921d2"}, "rationale": "28 plus 9 is 37, minus 4 gives 33."}
{"id": "Math-reasoning-0013", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A worker earns 18 dollars per hour. She worked 7 hours on Monday and 5 hours on Tuesday. How much did she earn in total?", "answer": "216", "answer_aliases": [], "target_scores": {"216": 1.0, "198": 0.0, "234": 0.0, "108": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "18*(7+5)"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b003", "prompt_sha256": "793c00febb7921d2"}, "rationale": "Total 12 hours times 18 dollars equals 216."}
{"id": "Math-reasoning-0014", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A library had 500 books. It received a donation of 120 books, then lent out 85 books. How many books remain in the library?", "answer": "535", "answer_aliases": [], "target_scores": {"535": 1.0, "605": 0.0, "415": 0.0, "520": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "500+120-85"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b003", "prompt_sha256": "793c00febb7921d2"}, "rationale": "500 plus 120 is 620, minus 85 leaves 535."}
{"id": "Math-reasoning-0015", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A library has 5 shelves. Each shelf holds 24 books. The library receives 3 more boxes of 20 books each and adds them to the shelves. How many books are now in the library?", "answer": "180", "answer_aliases": [], "target_scores": {"180": 1.0, "120": 0.0, "60": 0.0, "123": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "5*24+3*20"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b004", "prompt_sha256": "bffec8c8f465c5cc"}, "rationale": "Total old books: 5 shelves x 24 books = 120; new books: 3 boxes x 20 books = 60; total: 120+60=180."}
{"id": "Math-reasoning-0016", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A tank holds 300 liters. A pipe fills the tank at 15 liters per minute. After 8 minutes, how much more water is needed to fill the tank?", "answer": "180", "answer_aliases": [], "target_scores": {"180": 1.0, "120": 0.0, "285": 0.0, "420": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "300-15*8"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b004", "prompt_sha256": "bffec8c8f465c5cc"}, "rationale": "Water added: 15 L/min times 8 min = 120 L; remaining to fill: 300 L - 120 L = 180 L."}
{"id": "Math-reasoning-0017", "tier": "mid", "category": "Math-reasoning", "difficulty": "Mid", "question": "A machine stamps 12 pieces per minute. It runs for 15 minutes, stops, and then runs for 20 more minutes. How many pieces are stamped in total?", "answer": "420", "answer_aliases": [], "target_scores": {"420": 1.0, "180": 0.0, "240": 0.0, "200": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "programmatic", "checker": "arith_expr", "expression": "12*15+12*20"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Math-reasoning-b004", "prompt_sha256": "bffec8c8f465c5cc"}, "rationale": "First run: 12 x 15 = 180 pieces; second run: 12 x 20 = 240 pieces; total: 180+240=420 pieces."}
{"id": "Pattern-generation-0001", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What letter comes next: A, Z, C, X, E, V, ?", "answer": "G", "answer_aliases": [], "target_scores": {"G": 1.0, "H": 0.0, "T": 0.0, "U": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "G", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b001", "prompt_sha256": "d13a5e6dd21b3b7f"}, "rationale": "The pattern alternates every second letter forward from A and every second letter backward from Z."}
{"id": "Pattern-generation-0002", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What day comes next: Monday, Monday, Tuesday, Tuesday, Tuesday, Wednesday, Wednesday, Wednesday, Wednesday, ?", "answer": "Thursday", "answer_aliases": [], "target_scores": {"Thursday": 1.0, "Friday": 0.0, "Saturday": 0.0, "Sunday": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "Thursday", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b001", "prompt_sha256": "d13a5e6dd21b3b7f"}, "rationale": "Each day of the week appears one more time than the previous day."}
{"id": "Pattern-generation-0003", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What color comes next: red, red, orange, orange, orange, yellow, yellow, yellow, yellow, ?", "answer": "green", "answer_aliases": [], "target_scores": {"green": 1.0, "blue": 0.0, "purple": 0.0, "violet": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "green", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b001", "prompt_sha256": "d13a5e6dd21b3b7f"}, "rationale": "Colors appear in rainbow order, each repeated one more time than the previous."}
{"id": "Pattern-generation-0004", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What shape comes next: triangle, square, pentagon, hexagon, ?", "answer": "heptagon", "answer_aliases": [], "target_scores": {"heptagon": 1.0, "octagon": 0.0, "nonagon": 0.0, "decagon": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "heptagon", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b001", "prompt_sha256": "d13a5e6dd21b3b7f"}, "rationale": "Each shape has one more side than the previous."}
{"id": "Pattern-generation-0005", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What comes next: aba, bcb, cdc, ded, ?", "answer": "efe", "answer_aliases": [], "target_scores": {"efe": 1.0, "fef": 0.0, "fgf": 0.0, "ede": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "efe", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b001", "prompt_sha256": "d13a5e6dd21b3b7f"}, "rationale": "Each palindrome has a central letter that increases by one, and outer letters match the previous central letter."}
{"id": "Pattern-generation-0006", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What fruit comes next: apple, banana, cherry, date, ?", "answer": "elderberry", "answer_aliases": [], "target_scores": {"elderberry": 1.0, "fig": 0.0, "grape": 0.0, "honeydew": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "elderberry", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b001", "prompt_sha256": "d13a5e6dd21b3b7f"}, "rationale": "Each fruit starts with the next letter of the alphabet."}
{"id": "Pattern-generation-0007", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What follows: sun, moon, sun, star, sun, planet, ?", "answer": "sun", "answer_aliases": [], "target_scores": {"sun": 1.0, "moon": 0.0, "star": 0.0, "planet": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "sun", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b002", "prompt_sha256": "4637d391f6211d50"}, "rationale": "The pattern alternates between sun and a different celestial object."}
{"id": "Pattern-generation-0008", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What shape comes next in the pattern: circle, square, circle, circle, square, circle, circle, square, circle, circle, ?", "answer": "square", "answer_aliases": [], "target_scores": {"square": 1.0, "circle": 0.0, "diamond": 0.0, "hexagon": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "square", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b003", "prompt_sha256": "a2344331c7f2f5e2"}, "rationale": "The pattern repeats two circles followed by one square."}
{"id": "Pattern-generation-0009", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What word comes next: red, cat, blue, cat, green, cat, yellow, cat, ?", "answer": "red", "answer_aliases": [], "target_scores": {"red": 1.0, "cat": 0.0, "blue": 0.0, "dog": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "red", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b003", "prompt_sha256": "a2344331c7f2f5e2"}, "rationale": "A color alternates with the word cat, cycling red, blue, green, yellow, then red."}
{"id": "Pattern-generation-0010", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What letter comes next: A, Z, B, Y, C, X, D, W, ?", "answer": "E", "answer_aliases": [], "target_scores": {"E": 1.0, "V": 0.0, "F": 0.0, "Z": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "E", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b003", "prompt_sha256": "a2344331c7f2f5e2"}, "rationale": "One pattern goes forward through the alphabet while the other goes backward."}
{"id": "Pattern-generation-0011", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What shape comes next: dot, dot, dot, line, dot, dot, dot, line, dot, dot, dot, ?", "answer": "line", "answer_aliases": [], "target_scores": {"line": 1.0, "dot": 0.0, "curve": 0.0, "cross": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "line", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b003", "prompt_sha256": "a2344331c7f2f5e2"}, "rationale": "The sequence repeats three dots followed by one line."}
{"id": "Pattern-generation-0012", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What word comes next: sun, one, moon, two, star, three, sun, one, moon, two, star, ?", "answer": "three", "answer_aliases": [], "target_scores": {"three": 1.0, "four": 0.0, "moon": 0.0, "sun": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "three", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b003", "prompt_sha256": "a2344331c7f2f5e2"}, "rationale": "A celestial body alternates with a counting word in a repeating cycle."}
{"id": "Pattern-generation-0013", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What animal comes next in the pattern: bear, bear, bear, lion, lion, bear, bear, bear, bear, lion, lion, lion, ?", "answer": "bear", "answer_aliases": [], "target_scores": {"bear": 1.0, "lion": 0.0, "tiger": 0.0, "wolf": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "bear", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b004", "prompt_sha256": "4ad53195db0ed08c"}, "rationale": "The pattern alternates between groups of bears and lions, with each group size increasing by one each time."}
{"id": "Pattern-generation-0014", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What weather follows next: sunny, sunny, rainy, sunny, sunny, sunny, rainy, rainy, ?", "answer": "sunny", "answer_aliases": [], "target_scores": {"sunny": 1.0, "cloudy": 0.0, "snowy": 0.0, "windy": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "sunny", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b004", "prompt_sha256": "4ad53195db0ed08c"}, "rationale": "The pattern alternates groups of sunny and rainy days, increasing the group size by one each time."}
{"id": "Pattern-generation-0015", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What flower comes next in the pattern: rose, car, daisy, bike, tulip, car, rose, bike, daisy, car, tulip, bike, ?", "answer": "rose", "answer_aliases": [], "target_scores": {"rose": 1.0, "daisy": 0.0, "tulip": 0.0, "lily": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "rose", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b004", "prompt_sha256": "4ad53195db0ed08c"}, "rationale": "The sequence interleaves a repeating cycle of flowers with a repeating cycle of vehicles."}
{"id": "Pattern-generation-0016", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What word completes the pattern: day, night, day, day, night, night, day, day, day, night, night, night, ?", "answer": "day", "answer_aliases": [], "target_scores": {"day": 1.0, "night": 0.0, "morning": 0.0, "evening": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "day", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b004", "prompt_sha256": "4ad53195db0ed08c"}, "rationale": "The pattern alternates groups of day and night, with each group's length increasing by one."}
{"id": "Pattern-generation-0017", "tier": "mid", "category": "Pattern-generation", "difficulty": "Mid", "question": "What comes next: fast, fast, slow, fast, fast, fast, slow, fast, fast, fast, fast, slow, ?", "answer": "fast", "answer_aliases": [], "target_scores": {"fast": 1.0, "slow": 0.0, "medium": 0.0, "quick": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "fast", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-generation-b005", "prompt_sha256": "baa26f6af9348c45"}, "rationale": "The pattern is an increasing number of 'fast's followed by 'slow', starting with two 'fast's."}
{"id": "Pattern-matching-0001", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Spoke is to wheel as rung is to ?", "answer": "ladder", "answer_aliases": [], "target_scores": {"ladder": 1.0, "bridge": 0.0, "stair": 0.0, "step": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "ladder", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b001", "prompt_sha256": "123f2bf2e9ba272c"}, "rationale": "A spoke is part of a wheel, as a rung is part of a ladder."}
{"id": "Pattern-matching-0002", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Learning is to knowledge as practice is to ?", "answer": "skill", "answer_aliases": [], "target_scores": {"skill": 1.0, "talent": 0.0, "experience": 0.0, "theory": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "skill", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b001", "prompt_sha256": "123f2bf2e9ba272c"}, "rationale": "Learning leads to knowledge, as practice leads to skill."}
{"id": "Pattern-matching-0003", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Whisper is to talk as drizzle is to ?", "answer": "rain", "answer_aliases": [], "target_scores": {"rain": 1.0, "storm": 0.0, "mist": 0.0, "downpour": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "rain", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b001", "prompt_sha256": "123f2bf2e9ba272c"}, "rationale": "Whisper is a quiet form of talking, as drizzle is a light form of rain."}
{"id": "Pattern-matching-0004", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Sapling is to tree as foal is to ?", "answer": "horse", "answer_aliases": [], "target_scores": {"horse": 1.0, "dog": 0.0, "calf": 0.0, "kitten": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "horse", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b001", "prompt_sha256": "123f2bf2e9ba272c"}, "rationale": "Sapling is a young tree, as foal is a young horse."}
{"id": "Pattern-matching-0005", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Paintbrush is to painter as chisel is to ?", "answer": "sculptor", "answer_aliases": [], "target_scores": {"sculptor": 1.0, "builder": 0.0, "carpenter": 0.0, "potter": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "sculptor", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b001", "prompt_sha256": "123f2bf2e9ba272c"}, "rationale": "Paintbrush is the chief tool of a painter, as chisel is of a sculptor."}
{"id": "Pattern-matching-0006", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Flour is to bread as sand is to ?", "answer": "glass", "answer_aliases": [], "target_scores": {"glass": 1.0, "brick": 0.0, "stone": 0.0, "cement": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "glass", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b001", "prompt_sha256": "123f2bf2e9ba272c"}, "rationale": "Flour is the main ingredient in bread, as sand is in glass."}
{"id": "Pattern-matching-0007", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Spark is to flame as seed is to ?", "answer": "plant", "answer_aliases": ["seedling"], "target_scores": {"plant": 1.0, "tree": 0.0, "flower": 0.0, "root": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "tree", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b002", "prompt_sha256": "84af0211a8ff7e2f"}, "rationale": "A spark can ignite a flame; a seed can grow into a plant."}
{"id": "Pattern-matching-0008", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Drizzle is to downpour as breeze is to ?", "answer": "gale", "answer_aliases": [], "target_scores": {"gale": 1.0, "whirlwind": 0.0, "zephyr": 0.0, "storm": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "gale", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b002", "prompt_sha256": "84af0211a8ff7e2f"}, "rationale": "Drizzle is light rain; downpour is heavy rain. Breeze is light wind; gale is strong wind."}
{"id": "Pattern-matching-0009", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Microscope is to scientist as telescope is to ?", "answer": "astronomer", "answer_aliases": [], "target_scores": {"astronomer": 1.0, "biologist": 0.0, "physician": 0.0, "observer": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "astronomer", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b002", "prompt_sha256": "84af0211a8ff7e2f"}, "rationale": "A microscope is a tool used by a scientist; a telescope is a tool used by an astronomer."}
{"id": "Pattern-matching-0010", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Question is to answer as problem is to ?", "answer": "solution", "answer_aliases": [], "target_scores": {"solution": 1.0, "theory": 0.0, "method": 0.0, "inquiry": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "solution", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b002", "prompt_sha256": "84af0211a8ff7e2f"}, "rationale": "A question is addressed by an answer; a problem is addressed by a solution."}
{"id": "Pattern-matching-0011", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Engine is to car as heart is to ?", "answer": "body", "answer_aliases": ["organism"], "target_scores": {"body": 1.0, "blood": 0.0, "lung": 0.0, "life": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "body", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b002", "prompt_sha256": "84af0211a8ff7e2f"}, "rationale": "An engine powers a car; a heart powers the body."}
{"id": "Pattern-matching-0012", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Leaf is to tree as petal is to ?", "answer": "flower", "answer_aliases": [], "target_scores": {"flower": 1.0, "stem": 0.0, "plant": 0.0, "bud": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "flower", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b003", "prompt_sha256": "8a63eb241832abc0"}, "rationale": "A leaf is a part of a tree; a petal is a part of a flower."}
{"id": "Pattern-matching-0013", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Rain is to flood as spark is to ?", "answer": "fire", "answer_aliases": [], "target_scores": {"fire": 1.0, "smoke": 0.0, "ash": 0.0, "flame": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "fire", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b003", "prompt_sha256": "8a63eb241832abc0"}, "rationale": "Rain can cause a flood; a spark can cause a fire."}
{"id": "Pattern-matching-0014", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Warm is to hot as damp is to ?", "answer": "wet", "answer_aliases": [], "target_scores": {"wet": 1.0, "dry": 0.0, "humid": 0.0, "soaked": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "wet", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b003", "prompt_sha256": "8a63eb241832abc0"}, "rationale": "Warm is a lesser degree of hot; damp is a lesser degree of wet."}
{"id": "Pattern-matching-0015", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Chapter is to book as episode is to ?", "answer": "series", "answer_aliases": ["serial"], "target_scores": {"series": 1.0, "season": 0.0, "show": 0.0, "scene": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "series", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b003", "prompt_sha256": "8a63eb241832abc0"}, "rationale": "A chapter is a part of a book; an episode is a part of a series."}
{"id": "Pattern-matching-0016", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Fatigue is to rest as thirst is to ?", "answer": "drink", "answer_aliases": [], "target_scores": {"drink": 1.0, "sleep": 0.0, "eat": 0.0, "wash": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "water", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b003", "prompt_sha256": "8a63eb241832abc0"}, "rationale": "Fatigue is relieved by rest; thirst is relieved by a drink."}
{"id": "Pattern-matching-0017", "tier": "mid", "category": "Pattern-matching", "difficulty": "Mid", "question": "Tap is to knock as peek is to ?", "answer": "stare", "answer_aliases": ["gaze"], "target_scores": {"stare": 1.0, "see": 0.0, "look": 0.0, "glance": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "look", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-matching-b004", "prompt_sha256": "6f7206536ccba682"}, "rationale": "Each pair describes an action and a more intense version of it."}
{"id": "Pattern-recognition-0001", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word does not belong: sure, shoe, chef, church?", "answer": "church", "answer_aliases": ["Church begins with a 'ch' sound; the others start with an 'sh' sound"], "target_scores": {"church": 1.0, "sure": 0.0, "shoe": 0.0, "chef": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "church", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b001", "prompt_sha256": "bc7714e653bb8ab2"}, "rationale": "Sure, shoe, and chef start with the 'sh' sound, while church begins with the 'ch' sound."}
{"id": "Pattern-recognition-0002", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "What rule links these words: revolve, involve, evolve?", "answer": "They all contain 'volve'", "answer_aliases": ["Each word ends with 'volve'"], "target_scores": {"They all contain 'volve'": 1.0, "They are all chemical terms": 0.0, "They are all synonyms": 0.0, "They all have three syllables": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "All end with 'volve'", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b001", "prompt_sha256": "bc7714e653bb8ab2"}, "rationale": "Each of these verbs includes the root 'volve', meaning to turn."}
{"id": "Pattern-recognition-0003", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which number does not belong: 3, 5, 7, 9?", "answer": "9", "answer_aliases": ["9 is the only composite number"], "target_scores": {"9": 1.0, "3": 0.0, "5": 0.0, "7": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "9", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b001", "prompt_sha256": "bc7714e653bb8ab2"}, "rationale": "3, 5, and 7 are prime numbers, while 9 can be divided by 3."}
{"id": "Pattern-recognition-0004", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "What rule links these words: here, there, where?", "answer": "They are adverbs of place", "answer_aliases": ["They all indicate location"], "target_scores": {"They are adverbs of place": 1.0, "They all have the same number of letters": 0.0, "They all rhyme with 'ear'": 0.0, "They are all question words": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "All end with 'ere' and indicate location", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b001", "prompt_sha256": "bc7714e653bb8ab2"}, "rationale": "Here, there, and where are all used to specify place or position in a sentence."}
{"id": "Pattern-recognition-0005", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word does not belong: circle, square, triangle, sphere?", "answer": "sphere", "answer_aliases": ["Sphere is a three-dimensional shape"], "target_scores": {"sphere": 1.0, "circle": 0.0, "square": 0.0, "triangle": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "sphere", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b001", "prompt_sha256": "bc7714e653bb8ab2"}, "rationale": "Circle, square, and triangle are flat, two-dimensional shapes, whereas a sphere is a solid, three-dimensional object."}
{"id": "Pattern-recognition-0006", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word does not belong: could, would, should, doubt?", "answer": "doubt", "answer_aliases": ["Doubt does not follow the 'ould' spelling pattern"], "target_scores": {"doubt": 1.0, "could": 0.0, "would": 0.0, "should": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "doubt", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b001", "prompt_sha256": "bc7714e653bb8ab2"}, "rationale": "Could, would, and should all share the 'ould' spelling and pronunciation, while doubt uses a different vowel sound."}
{"id": "Pattern-recognition-0007", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "In the sequence A, B, D, G, K, what letter comes next?", "answer": "P", "answer_aliases": [], "target_scores": {"P": 1.0, "M": 0.0, "N": 0.0, "O": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "P", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b002", "prompt_sha256": "ab29c6253a8f61a4"}, "rationale": "The differences between consecutive letters increase by 1 each time, so the next difference is 5, leading to P."}
{"id": "Pattern-recognition-0008", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word does not rhyme with the others: sing, ring, king, thing, pink?", "answer": "pink", "answer_aliases": [], "target_scores": {"pink": 1.0, "sing": 0.0, "ring": 0.0, "king": 0.0, "thing": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "pink", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b002", "prompt_sha256": "ab29c6253a8f61a4"}, "rationale": "Pink ends with the 'nk' sound, while the others end with the 'ng' sound."}
{"id": "Pattern-recognition-0009", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word is different from the others: rose, daisy, tulip, cactus, lily?", "answer": "cactus", "answer_aliases": [], "target_scores": {"cactus": 1.0, "rose": 0.0, "daisy": 0.0, "tulip": 0.0, "lily": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "cactus", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b002", "prompt_sha256": "ab29c6253a8f61a4"}, "rationale": "Cactus is a succulent, while the others are common flowering plants."}
{"id": "Pattern-recognition-0010", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "What rule connects these numbers: 2, 3, 5, 7, 11?", "answer": "They are prime numbers", "answer_aliases": ["Each is a prime number"], "target_scores": {"They are prime numbers": 1.0, "They are odd numbers": 0.0, "They are Fibonacci numbers": 0.0, "They are perfect squares": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "prime numbers", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b002", "prompt_sha256": "ab29c6253a8f61a4"}, "rationale": "All numbers in the list are prime numbers, having exactly two distinct divisors."}
{"id": "Pattern-recognition-0011", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word does not begin with the same sound as the others: pen, pig, pit, dog, pin?", "answer": "dog", "answer_aliases": [], "target_scores": {"dog": 1.0, "pen": 0.0, "pig": 0.0, "pit": 0.0, "pin": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "dog", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b002", "prompt_sha256": "ab29c6253a8f61a4"}, "rationale": "Dog starts with a 'd' sound, while the others start with a 'p' sound."}
{"id": "Pattern-recognition-0012", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word is the odd one out: python, cobra, viper, snake, anaconda?", "answer": "snake", "answer_aliases": [], "target_scores": {"snake": 1.0, "python": 0.0, "cobra": 0.0, "viper": 0.0, "anaconda": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "snake", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/mimo-v2.5-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b002", "prompt_sha256": "ab29c6253a8f61a4"}, "rationale": "Snake is the general category, while the others are specific types of snakes."}
{"id": "Pattern-recognition-0013", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which number does not belong: 12, 18, 24, 27, 30?", "answer": "27", "answer_aliases": [], "target_scores": {"27": 1.0, "12": 0.0, "18": 0.0, "30": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "27", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b003", "prompt_sha256": "38bcc43238ca97ec"}, "rationale": "27 is not divisible by 4, while the others are all multiples of 6 that are also divisible by 4."}
{"id": "Pattern-recognition-0014", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "What rule links these words: bat, cat, hat, rat?", "answer": "They rhyme and end in -at", "answer_aliases": ["They share the -at sound and rhyme"], "target_scores": {"They rhyme and end in -at": 1.0, "They are all animals": 0.0, "They are all three letters long": 0.0, "They begin with a consonant blend": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "they end with 'at'", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b003", "prompt_sha256": "38bcc43238ca97ec"}, "rationale": "All four words end with the same -at phoneme and are perfect rhymes."}
{"id": "Pattern-recognition-0015", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which shape does not belong: square, rectangle, circle, triangle?", "answer": "circle", "answer_aliases": [], "target_scores": {"circle": 1.0, "square": 0.0, "rectangle": 0.0, "triangle": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "circle", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b003", "prompt_sha256": "38bcc43238ca97ec"}, "rationale": "Circle has no straight edges or corners, unlike the other polygons."}
{"id": "Pattern-recognition-0016", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "Which word does not belong: run, walk, jump, think?", "answer": "think", "answer_aliases": [], "target_scores": {"think": 1.0, "run": 0.0, "walk": 0.0, "jump": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/deepseek-v4-flash-free", "verifier_answer": "think", "verifier_agrees": true}, "provenance": {"generator_model": "opencode/hy3-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b003", "prompt_sha256": "38bcc43238ca97ec"}, "rationale": "Think is a mental action, while the others are physical bodily movements."}
{"id": "Pattern-recognition-0017", "tier": "mid", "category": "Pattern-recognition", "difficulty": "Mid", "question": "These words share a pronunciation feature: gnome, knee, psychology, write. What is it?", "answer": "They begin with a silent consonant.", "answer_aliases": ["Their first letter is not pronounced."], "target_scores": {"They begin with a silent consonant.": 1.0, "They are all nouns.": 0.0, "They all contain the letter 'e'.": 0.0, "They all start with the same letter.": 0.0}, "eval_modes": ["generative", "loglikelihood"], "preferred_mode": "loglikelihood", "gen_scoring": "strict", "verification": {"status": "cross-checked", "verifier_model": "opencode/nemotron-3-ultra-free", "verifier_answer": "silent first letter", "verifier_agrees": "mc-only"}, "provenance": {"generator_model": "opencode/deepseek-v4-flash-free", "date": "2026-07-19", "batch_id": "mid-Pattern-recognition-b004", "prompt_sha256": "c5693f4185004bc1"}, "rationale": "Each word starts with a consonant that is not sounded."}