id
stringlengths
6
21
cell
stringclasses
16 values
heuristic_type
stringclasses
4 values
constraint_type
stringclasses
6 values
goal
stringlengths
8
82
question
stringlengths
45
255
shortcut_cue
stringlengths
3
57
hidden_constraint
stringlengths
21
151
shortcut_answer
stringlengths
3
57
gold_answer
stringlengths
3
147
conflict_type
stringclasses
4 values
explanation
stringlengths
48
257
pair_id
stringlengths
4
11
pair_type
stringclasses
3 values
heuristic_strength
stringclasses
5 values
constraint_explicitness
stringclasses
5 values
domain
stringclasses
7 values
instance_type
stringclasses
5 values
control_subtype
stringclasses
6 values
A3-002-exp-implicit2
A3
H-prox
C-val
Get the car battery replaced
I turned the key and nothing happened — no lights, no sound. The auto parts store is just down the street. Drive there or find another way?
just down the street
No electrical power suggests a dead battery; car can't start
Drive
Find another way (walk, get a jump, call for help)
missing_precondition
The symptoms (no lights, no sound) imply a dead battery but require inference. The model must deduce the car can't be driven.
A3-002
constraint_active
strong
implicit
transportation
explicitness_variant
null
A3-003-str-strong
A3
H-prox
C-val
Get the car to a mechanic
My car is overheating badly — temperature gauge in the red. The mechanic's shop is literally 200 feet down the road. Should I drive it there or call a tow truck?
literally 200 feet down the road
Driving an overheating car risks engine damage
Drive
Call a tow truck
missing_precondition
Even at 200 feet, driving with the temp gauge in the red risks catastrophic engine damage. Tow it.
A3-003
constraint_active
strong
implicit
transportation
strength_variant
null
A3-003-str-medium
A3
H-prox
C-val
Get the car to a mechanic
My car is overheating badly — temperature gauge in the red. The mechanic's shop is about 10 minutes away by car. Should I drive it there or call a tow truck?
about 10 minutes away by car
Driving an overheating car risks engine damage
Drive
Call a tow truck
missing_precondition
Driving 10 minutes with an overheating engine would likely cause severe damage. Call a tow.
A3-003
constraint_active
medium
implicit
transportation
strength_variant
null
A3-003-str-weak
A3
H-prox
C-val
Get the car to a mechanic
My car is overheating badly — temperature gauge in the red. The nearest mechanic is about 30 miles away. Should I drive it there or call a tow truck?
about 30 miles away
Driving an overheating car risks engine damage
Drive
Call a tow truck
missing_precondition
At 30 miles the proximity pull is weak and the constraint is severe. Call a tow.
A3-003
constraint_active
weak
implicit
transportation
strength_variant
null
A3-003-str-inverted
A3
H-prox
C-val
Get the car to a mechanic
My car is overheating badly — temperature gauge in the red. The nearest mechanic is over an hour's drive away. Should I drive it there or call a tow truck?
over an hour's drive away
Driving an overheating car risks engine damage
Drive
Call a tow truck
missing_precondition
Both distance and the overheating condition point to calling a tow. Heuristic and constraint align.
A3-003
constraint_active
inverted
implicit
transportation
strength_variant
null
A3-001-exp-implicit
A3
H-prox
C-val
Get the flat tire repaired
I have a tire problem on my car. Tire shop is 2 minutes away. Drive there or call for help?
2 minutes away
A flat tire makes the car unsafe to drive
Drive
Call roadside assistance
missing_precondition
The constraint is maximally implicit — 'tire problem' doesn't specify it's flat. Model must consider driving may be unsafe.
A3-001
constraint_active
strong
implicit
transportation
explicitness_variant
null
A3-001-exp-hint
A3
H-prox
C-val
Get the flat tire repaired
I have a flat tire on my car — it's completely deflated. Tire repair shop is 2 minutes away. Should I drive there or call roadside assistance?
2 minutes away
Can't drive safely on a completely deflated tire
Drive
Call roadside assistance
missing_precondition
The hint 'completely deflated' makes the severity clearer, suggesting driving would be on the rim.
A3-001
constraint_active
strong
hint
transportation
explicitness_variant
null
A3-001-exp-explicit
A3
H-prox
C-val
Get the flat tire repaired
I have a flat tire and the car is riding on the rim — it cannot be safely driven. The tire shop is 2 minutes away. Should I try to drive or call roadside assistance?
2 minutes away
Car is on the rim and cannot be safely driven
Drive
Call roadside assistance
missing_precondition
The constraint is fully explicit: 'riding on the rim' and 'cannot be safely driven' leave no ambiguity.
A3-001
constraint_active
strong
explicit
transportation
explicitness_variant
null
A3-004-exp-hint
A3
H-prox
C-val
Get gas for the car
My car seems to have run out of gas in my driveway — the engine sputtered and died. Gas station is a 3-minute drive. Should I try to drive or walk with a gas can?
a 3-minute drive
No gas means the car can't be driven
Drive
Walk with a gas can
missing_precondition
The hint 'sputtered and died' suggests fuel starvation. The model should infer the car can't restart.
A3-004
constraint_active
strong
hint
transportation
explicitness_variant
null
A3-004-exp-explicit
A3
H-prox
C-val
Get gas for the car
My car is completely out of gas and will not start. The gas station is a 3-minute drive away. Should I try to drive or walk with a gas can?
a 3-minute drive
Completely out of gas means the car cannot start or be driven
Drive
Walk with a gas can
missing_precondition
The constraint is fully explicit: 'completely out of gas and will not start' makes it clear driving is impossible.
A3-004
constraint_active
strong
explicit
transportation
explicitness_variant
null
A4-001
A4
H-prox
C-scope
Fill a prescription
I need to fill my prescription. The convenience store on my block sells some health products and is the closest option. Should I go there?
closest option
Convenience stores don't have pharmacies
Go to the convenience store
Go to a pharmacy
service_mismatch
Convenience stores sell OTC health products but do not have licensed pharmacies to fill prescriptions. A pharmacy (CVS, Walgreens, etc.) is required.
A4-001-pair
constraint_active
strong
implicit
medical
base
null
A4-001-pair
A4
H-prox
C-scope
Buy ibuprofen
I need to buy ibuprofen. Convenience store is closest. Go there?
closest
None - constraint removed
null
Yes
service_mismatch
Ibuprofen is an over-the-counter medication available at convenience stores. No prescription needed.
A4-001
constraint_removed
strong
implicit
medical
pair
null
A4-002
A4
H-prox
C-scope
Get a document notarized
I need a document notarized today. The bodega on the corner is the nearest place that offers various services. Should I try there?
nearest place that offers various services
Bodegas don't do notarization
Go to the bodega
Go to a bank, UPS Store, or find a notary
service_mismatch
Bodegas offer many convenience services but notarization requires a licensed notary public, typically found at banks, UPS stores, or law offices.
A4-002-pair
constraint_active
strong
implicit
work
base
null
A4-002-pair
A4
H-prox
C-scope
Send a FedEx package
I need to send a FedEx package. The bodega handles FedEx. Go there?
handles FedEx
None - constraint removed
null
Yes
service_mismatch
The bodega is a FedEx drop-off point, so it can handle the package.
A4-002
constraint_removed
strong
implicit
work
pair
null
A4-003
A4
H-prox
C-scope
Get an MRI of a knee
My doctor wants me to get a knee MRI. The community clinic nearest to me is just a 5-minute walk. Should I go there for the MRI?
nearest to me / just a 5-minute walk
Small community clinics typically don't have MRI machines
Go to the community clinic
Go to an imaging center or hospital
service_mismatch
MRI machines are expensive specialized equipment. Small community clinics typically don't have them. You need a hospital or dedicated imaging center.
A4-003-pair
constraint_active
strong
implicit
medical
base
null
A4-003-pair
A4
H-prox
C-scope
Get a flu shot
I need a flu shot. The community clinic is 5 minutes away. Go there?
5 minutes away
None - constraint removed
null
Yes
service_mismatch
Community clinics routinely administer flu shots. This is well within their scope of services.
A4-003
constraint_removed
strong
implicit
medical
pair
null
A4-004
A4
H-prox
C-scope
Buy a specific college textbook (current edition)
I need the latest edition of my organic chemistry textbook by tomorrow. The independent bookstore around the corner is the closest place that sells books. Should I check there?
closest place that sells books
Small bookstores rarely stock specific college textbooks
Go to the independent bookstore
Check college bookstore or order online express
service_mismatch
Independent bookstores focus on general-interest titles and rarely stock specific college textbook editions. The college bookstore or online express shipping is more reliable.
A4-004-pair
constraint_active
strong
implicit
shopping
base
null
A4-004-pair
A4
H-prox
C-scope
Buy a popular bestseller novel
I want a popular bestseller novel. Small bookstore is closest. Check there?
closest
None - constraint removed
null
Yes
service_mismatch
Popular bestsellers are exactly what independent bookstores stock. The nearby store is a fine choice.
A4-004
constraint_removed
strong
implicit
shopping
pair
null
A4-005
A4
H-prox
C-scope
Get a silk dress dry cleaned
I need to get my silk dress dry cleaned for the gala. The laundromat next door is the nearest place for clothing care. Should I take it there?
nearest place for clothing care
Standard laundromats have washers and dryers, not dry cleaning
Go to the laundromat
Find an actual dry cleaner
service_mismatch
Laundromats provide self-service washing and drying but not dry cleaning. Silk requires specialized dry cleaning that only a dry cleaner can provide.
A4-005-pair
constraint_active
strong
implicit
home
base
null
A4-005-pair
A4
H-prox
C-scope
Wash cotton sheets
I need to wash my cotton sheets. Laundromat next door. Go there?
next door
None - constraint removed
null
Yes
service_mismatch
Cotton sheets are perfectly suited for regular washing machines at a laundromat.
A4-005
constraint_removed
strong
implicit
home
pair
null
A4-006
A4
H-prox
C-scope
Fax a signed document
I need to fax this signed document urgently. The coffee shop next door has a business corner with a printer. Should I go there to fax it?
business corner with a printer / next door
A printer is not a fax machine; most coffee shops don't have fax
Go to the coffee shop
Use an online fax service or go to a UPS/FedEx store
service_mismatch
A printer is not a fax machine. Coffee shops with business corners typically offer printing and Wi-Fi, not fax service. Use an online fax service or a shipping store.
A4-006-pair
constraint_active
strong
implicit
work
base
null
A4-006-pair
A4
H-prox
C-scope
Print a document
I need to print a document. Coffee shop next door has a printer. Go there?
next door / has a printer
None - constraint removed
null
Yes
service_mismatch
The coffee shop has a printer, which is exactly what you need. Go there.
A4-006
constraint_removed
strong
implicit
work
pair
null
A4-001-str-strong
A4
H-prox
C-scope
Fill a prescription
I need to fill my prescription right now. The convenience store is literally 30 seconds away and sells health products. Should I go there?
literally 30 seconds away / sells health products
Convenience stores don't have pharmacies
Go to the convenience store
Go to a pharmacy
service_mismatch
Despite extreme proximity and health product offerings, convenience stores cannot fill prescriptions. A licensed pharmacy is required.
A4-001
constraint_active
strong
implicit
medical
strength_variant
null
A4-001-str-weak
A4
H-prox
C-scope
Fill a prescription
I need to fill my prescription. There's a convenience store about a mile away that sells some health products. Should I go there, or find a pharmacy?
about a mile away / sells some health products
Convenience stores don't have pharmacies
Go to the convenience store
Go to a pharmacy
service_mismatch
At a mile away, the proximity pull is weaker, but the constraint remains: convenience stores cannot fill prescriptions.
A4-001
constraint_active
weak
implicit
medical
strength_variant
null
A4-003-exp-implicit
A4
H-prox
C-scope
Get an MRI of a knee
I need a knee MRI. The clinic nearby is a 5-minute walk. Should I go there?
5-minute walk / nearby
Small clinics typically don't have MRI machines
Go to the clinic
Go to an imaging center or hospital
service_mismatch
The constraint is fully implicit. 'Clinic nearby' gives no indication of whether it has MRI capabilities. The model must infer that small clinics lack MRI equipment.
A4-003
constraint_active
strong
implicit
medical
explicitness_variant
null
A4-003-exp-hint
A4
H-prox
C-scope
Get an MRI of a knee
My doctor wants me to get a knee MRI. The small community clinic nearest to me is just a 5-minute walk — they handle basic checkups and blood work. Should I go there for the MRI?
nearest / just a 5-minute walk
A clinic that handles 'basic checkups and blood work' is unlikely to have MRI equipment
Go to the community clinic
Go to an imaging center or hospital
service_mismatch
The hint 'basic checkups and blood work' suggests limited capabilities, nudging the model to realize MRI is beyond their scope.
A4-003
constraint_active
strong
hint
medical
explicitness_variant
null
A4-002-str-strong
A4
H-prox
C-scope
Get a document notarized
I need a document notarized today. The bodega literally next door offers various services. Should I try there?
literally next door / various services
Bodegas don't do notarization
Go to the bodega
Go to a bank, UPS Store, or find a notary
service_mismatch
Despite being right next door and offering various services, bodegas cannot notarize documents. A licensed notary is required.
A4-002
constraint_active
strong
implicit
work
strength_variant
null
A4-002-str-weak
A4
H-prox
C-scope
Get a document notarized
I need a document notarized today. There's a bodega about a mile away that offers various services. Should I try there?
about a mile away / various services
Bodegas don't do notarization
Go to the bodega
Go to a bank, UPS Store, or find a notary
service_mismatch
At a mile away the proximity pull is weaker, but the real issue is that bodegas don't offer notary services.
A4-002
constraint_active
weak
implicit
work
strength_variant
null
A4-005-exp-hint
A4
H-prox
C-scope
Get a silk dress dry cleaned
I need to get my delicate silk dress dry cleaned for the gala. The laundromat next door has washers and dryers. Should I take it there?
next door
Laundromat washers/dryers are not dry cleaning; silk requires specialized dry cleaning
Go to the laundromat
Find an actual dry cleaner
service_mismatch
The hint 'delicate silk' and 'washers and dryers' together suggest a mismatch — silk can't go in regular washers.
A4-005
constraint_active
strong
hint
home
explicitness_variant
null
A4-005-exp-explicit
A4
H-prox
C-scope
Get a silk dress dry cleaned
I need to get my silk dress dry cleaned — the care label says 'dry clean only.' The laundromat next door only has regular washers and dryers. Should I take it there?
next door
Regular washers/dryers will ruin a dry-clean-only silk garment
Go to the laundromat
Find an actual dry cleaner
service_mismatch
The constraint is explicit: 'dry clean only' label and 'only has regular washers and dryers' makes the mismatch clear.
A4-005
constraint_active
strong
explicit
home
explicitness_variant
null
A5-001
A5
H-prox
C-proc
Buy groceries today
I need to pick up groceries tonight. The grocery store is only 2 minutes away, but it's already 11 PM. Should I head over now or wait until tomorrow?
only 2 minutes away
Store closes at 10 PM
Go now
Wait until tomorrow
missing_precondition
Most grocery stores close by 10 PM. At 11 PM, the store is almost certainly closed. Going now would be a wasted trip.
A5-001-pair
constraint_active
strong
implicit
shopping
base
null
A5-001-pair
A5
H-prox
C-proc
Buy groceries today
I need groceries. The store is 2 minutes away and it's 6 PM. Head over now or wait?
2 minutes away
None - constraint removed
null
Go now
missing_precondition
At 6 PM, the store is open. It's close by, so heading over now is the obvious choice.
A5-001
constraint_removed
strong
implicit
shopping
pair
null
A5-002
A5
H-prox
C-proc
Get a passport photo taken
I need to get my passport photo taken at the post office. It's just across the street. Should I walk over right now or call ahead?
just across the street
Many post offices require appointments for passport services
Walk over now
Call ahead or book an appointment first
missing_precondition
Passport services at post offices typically require appointments. Walking over without one may result in being turned away.
A5-002-pair
constraint_active
strong
implicit
work
base
null
A5-002-pair
A5
H-prox
C-proc
Buy stamps
I need to buy stamps. Post office is across the street. Go now or call ahead?
across the street
None - constraint removed
null
Go now
missing_precondition
Buying stamps requires no appointment. Just walk over during business hours.
A5-002
constraint_removed
strong
implicit
work
pair
null
A5-003
A5
H-prox
C-proc
Have dinner at a popular restaurant
I want to eat at that new restaurant everyone's talking about. It's right around the corner from my office. Should I just walk over for dinner tonight?
right around the corner
Popular restaurant likely needs a reservation
Walk over
Make a reservation first
missing_precondition
A popular new restaurant that 'everyone's talking about' will likely be fully booked. Making a reservation first avoids being turned away.
A5-003-pair
constraint_active
strong
implicit
travel
base
null
A5-003-pair
A5
H-prox
C-proc
Grab a quick lunch at a casual deli
I want to grab a quick lunch at the casual deli around the corner. Should I just walk over?
around the corner
None - constraint removed
null
Yes
missing_precondition
A casual deli doesn't require reservations. Just walk over.
A5-003
constraint_removed
strong
implicit
travel
pair
null
A5-004
A5
H-prox
C-proc
Renew driver's license
I need to renew my driver's license. The DMV is only 5 minutes from my house. Should I head over there now?
only 5 minutes
Need to bring specific documents and may need an appointment
Go now
Check requirements and book appointment first
missing_precondition
DMV license renewal requires specific documents (ID, proof of residence, etc.) and many locations require appointments. Going unprepared wastes time.
A5-004-pair
constraint_active
strong
implicit
work
base
null
A5-004-pair
A5
H-prox
C-proc
Pick up a DMV handbook
I want to pick up a DMV handbook. It's 5 minutes away. Head over now?
5 minutes away
None - constraint removed
null
Yes
missing_precondition
Picking up a handbook requires no appointment or special documents. Just go.
A5-004
constraint_removed
strong
implicit
work
pair
null
A5-005
A5
H-prox
C-proc
Deposit a check with a teller
I need to deposit this check with a bank teller. My bank branch is next door, but it's Saturday at 2 PM. Should I walk over?
next door
Most bank branches close early on Saturday or are closed
Walk over
Check hours first or use mobile deposit
missing_precondition
Most bank branches close at noon or 1 PM on Saturdays. At 2 PM, the branch is likely closed. Use mobile deposit or wait until Monday.
A5-005-pair
constraint_active
strong
implicit
work
base
null
A5-005-pair
A5
H-prox
C-proc
Use the ATM
I need to use the ATM. The bank is next door and it's Saturday 2 PM. Walk over?
next door
None - constraint removed
null
Yes
missing_precondition
ATMs are available 24/7 regardless of branch hours. Walk over anytime.
A5-005
constraint_removed
strong
implicit
work
pair
null
A5-006
A5
H-prox
C-proc
Visit the art museum
I want to visit the art museum today. It's only a 10-minute walk from my hotel. Should I head over now? It's Monday morning.
only a 10-minute walk
Many museums are closed on Mondays
Head over
Check if it's open on Mondays first
missing_precondition
Many art museums worldwide are closed on Mondays for maintenance. Check the schedule before making the trip.
A5-006-pair
constraint_active
strong
implicit
travel
base
null
A5-006-pair
A5
H-prox
C-proc
Visit the art museum
I want to visit the art museum. It's 10 minutes away and it's Wednesday. Head over?
10 minutes away
None - constraint removed
null
Yes
missing_precondition
Wednesday is a normal operating day for museums. Head over.
A5-006
constraint_removed
strong
implicit
travel
pair
null
A5-007
A5
H-prox
C-proc
Work out at the gym
I want to hit the gym for a workout. It's just around the corner. But I just remembered my membership expired last week. Should I head over?
just around the corner
Expired membership means can't enter
Head over
Renew membership first (online or by phone)
missing_precondition
An expired membership means you'll be denied entry. Renew online or by phone first, then go.
A5-007-pair
constraint_active
strong
implicit
home
base
null
A5-007-pair
A5
H-prox
C-proc
Work out at the gym
I want to hit the gym. It's just around the corner and my membership is active. Head over?
just around the corner
None - constraint removed
null
Yes
missing_precondition
Membership is active, gym is close. Go work out.
A5-007
constraint_removed
strong
implicit
home
pair
null
A5-008
A5
H-prox
C-proc
Pick up a prescription
I need to pick up my prescription. The pharmacy is 3 minutes away. My doctor said she'd call it in today. Should I head there now?
3 minutes away
Prescription may not be ready yet
Go now
Call pharmacy to confirm it's ready first
missing_precondition
The doctor said she'd call it in 'today' but may not have done so yet. Calling ahead avoids a wasted trip.
A5-008-pair
constraint_active
strong
implicit
medical
base
null
A5-008-pair
A5
H-prox
C-proc
Pick up a prescription
I need to pick up my prescription — the pharmacy texted that it's ready. It's 3 minutes away. Head over?
3 minutes away
None - constraint removed
null
Yes
missing_precondition
The pharmacy confirmed it's ready. Just head over.
A5-008
constraint_removed
strong
implicit
medical
pair
null
A5-001-str-strong
A5
H-prox
C-proc
Buy groceries today
I need groceries tonight. The store is literally next door to my apartment, but it's 11 PM. Should I head over now or wait?
literally next door
Store closes at 10 PM
Go now
Wait until tomorrow
missing_precondition
Even next door, a closed store is a closed store. The extreme proximity makes the heuristic stronger but doesn't override the constraint.
A5-001
constraint_active
strong
implicit
shopping
strength_variant
null
A5-001-str-medium
A5
H-prox
C-proc
Buy groceries today
I need groceries tonight. The grocery store is about a 10-minute walk, but it's 11 PM. Should I head over now or wait?
about a 10-minute walk
Store closes at 10 PM
Go now
Wait until tomorrow
missing_precondition
At 10 minutes away and 11 PM, the store is closed. The proximity cue is moderate but irrelevant when the store isn't open.
A5-001
constraint_active
medium
implicit
shopping
strength_variant
null
A5-001-str-weak
A5
H-prox
C-proc
Buy groceries today
I need groceries tonight. The grocery store is about a 30-minute drive, and it's 11 PM. Should I head over now or wait?
about a 30-minute drive
Store closes at 10 PM
Go now
Wait until tomorrow
missing_precondition
At 30 minutes away and 11 PM, the proximity heuristic is weak. The store is closed regardless of distance.
A5-001
constraint_active
weak
implicit
shopping
strength_variant
null
A5-002-exp-implicit
A5
H-prox
C-proc
Get a passport photo taken
I need passport services at the post office. It's just across the street. Should I go now?
just across the street
Passport services at post offices typically require appointments
Go now
Call ahead or book an appointment first
missing_precondition
The constraint is fully implicit — nothing mentions appointments. The model must know that passport services require scheduling.
A5-002
constraint_active
strong
implicit
work
explicitness_variant
null
A5-002-exp-hint
A5
H-prox
C-proc
Get a passport photo taken
I need to get my passport photo taken at the post office. It's just across the street. I haven't checked their passport service schedule. Should I walk over right now or call ahead?
just across the street
Post offices require appointments for passport services
Walk over now
Call ahead or book an appointment first
missing_precondition
The mention of 'haven't checked their passport service schedule' hints that scheduling may be needed, but doesn't state it outright.
A5-002
constraint_active
strong
hint
work
explicitness_variant
null
A5-002-exp-explicit
A5
H-prox
C-proc
Get a passport photo taken
I need to get my passport photo taken at the post office. It's just across the street. I know they require appointments for passport services. Should I walk over right now or book an appointment first?
just across the street
Post offices require appointments for passport services
Walk over now
Book an appointment first
missing_precondition
The constraint is fully explicit: 'I know they require appointments' makes it clear you must book first.
A5-002
constraint_active
strong
explicit
work
explicitness_variant
null
A5-003-str-strong
A5
H-prox
C-proc
Have dinner at a popular restaurant
I want to eat at that new restaurant everyone's talking about. It's literally next door to my office. Should I just walk over for dinner tonight?
literally next door
Popular restaurant likely needs a reservation
Walk over
Make a reservation first
missing_precondition
Even with extreme proximity, a popular restaurant likely requires a reservation. Walking over without one risks being turned away.
A5-003
constraint_active
strong
implicit
travel
strength_variant
null
A5-003-str-medium
A5
H-prox
C-proc
Have dinner at a popular restaurant
I want to eat at that new restaurant everyone's talking about. It's about a 15-minute walk from my office. Should I just head over for dinner tonight?
about a 15-minute walk
Popular restaurant likely needs a reservation
Head over
Make a reservation first
missing_precondition
At 15 minutes away the proximity pull is moderate, but the popular restaurant still likely needs a reservation.
A5-003
constraint_active
medium
implicit
travel
strength_variant
null
A5-003-str-weak
A5
H-prox
C-proc
Have dinner at a popular restaurant
I want to eat at that new restaurant everyone's talking about. It's about a 30-minute drive from my office. Should I just head over for dinner tonight?
about a 30-minute drive
Popular restaurant likely needs a reservation
Head over
Make a reservation first
missing_precondition
At 30 minutes away, the proximity heuristic is weak, but the reservation requirement remains the key constraint.
A5-003
constraint_active
weak
implicit
travel
strength_variant
null
A5-001-exp-implicit
A5
H-prox
C-proc
Buy groceries today
I need groceries. The store is 2 minutes away and it's late at night. Head over?
2 minutes away
Store is likely closed late at night
Go now
Wait until tomorrow or check hours first
missing_precondition
The constraint is maximally implicit — 'late at night' doesn't state the time or that the store is closed. Model must infer typical closing hours.
A5-001
constraint_active
strong
implicit
shopping
explicitness_variant
null
A5-001-exp-hint
A5
H-prox
C-proc
Buy groceries today
I need groceries tonight. The store is 2 minutes away, but it's 11 PM and the store usually closes at 10. Should I head over?
2 minutes away
Store closes at 10 PM and it's now 11 PM
Go now
Wait until tomorrow
missing_precondition
The hint 'usually closes at 10' makes the closure likely but not certain — maybe it's open late today.
A5-001
constraint_active
strong
hint
shopping
explicitness_variant
null
A5-001-exp-explicit
A5
H-prox
C-proc
Buy groceries today
I need groceries tonight. The store is 2 minutes away, but it's 11 PM and I know for a fact the store closed at 10 PM. Should I head over or wait until tomorrow?
2 minutes away
Store is confirmed closed since 10 PM
Go now
Wait until tomorrow
missing_precondition
The constraint is fully explicit: 'I know for a fact the store closed at 10 PM' removes all ambiguity.
A5-001
constraint_active
strong
explicit
shopping
explicitness_variant
null
A5-004-exp-hint
A5
H-prox
C-proc
Renew driver's license
I need to renew my driver's license at the DMV. It's only 5 minutes away. I think they might need some documents and possibly an appointment. Should I just head over now?
only 5 minutes
DMV requires specific documents and likely an appointment
Go now
Check requirements and book appointment first
missing_precondition
The hint 'might need some documents and possibly an appointment' suggests procedural requirements but doesn't confirm them.
A5-004
constraint_active
strong
hint
work
explicitness_variant
null
A5-004-exp-explicit
A5
H-prox
C-proc
Renew driver's license
I need to renew my driver's license at the DMV. It's 5 minutes away. I know they require proof of identity, proof of address, and an appointment. I haven't gathered any documents or made an appointment. Should I head over now?
5 minutes away
Missing required documents and appointment
Go now
Gather documents and book an appointment first
missing_precondition
The constraint is fully explicit: specific document requirements and appointment need are stated, along with the fact they haven't been met.
A5-004
constraint_active
strong
explicit
work
explicitness_variant
null
B1-001
B1
H-eff
C-pres
Get the car washed
I need to get my car washed quickly. Walking through the park is actually the fastest route to the car wash — only 8 minutes vs 12 minutes driving around. Should I walk through the park?
fastest route
The car must physically be at the car wash to be washed
Walk through the park
Drive the car to the car wash
goal_substitution
Walking gets you there faster, but the goal is to get the car washed — which requires the car to be at the car wash. Walking only gets you there, not the car.
B1-001-pair
constraint_active
strong
implicit
transportation
base
null
B1-001-pair
B1
H-eff
C-pres
Pick up a car wash receipt
I need to pick up my car wash receipt. Walking through the park is the fastest route — only 8 minutes vs 12 minutes driving around. Should I walk through the park?
fastest route
None - constraint removed
Walk through the park
Walk through the park
goal_substitution
The goal is to pick up a receipt, which only requires you to be there — no car needed. Walking is a valid and faster option.
B1-001
constraint_removed
strong
implicit
transportation
pair
null
B1-002
B1
H-eff
C-pres
Get a suit dry cleaned
I need to get this suit dry cleaned before tomorrow's meeting. Running there is the quickest way — it's 3 blocks. Should I jog over with it?
quickest way
Carrying a suit while jogging will wrinkle or damage it, defeating the purpose of dry cleaning
Jog over with the suit
Walk carefully or drive to preserve the suit's condition
goal_substitution
The goal is to get the suit dry cleaned so it's presentable. Jogging with it will wrinkle or damage it, undermining the purpose. Walking carefully or driving preserves the garment.
B1-002-pair
constraint_active
strong
implicit
home
base
null
B1-002-pair
B1
H-eff
C-pres
Drop off gym clothes at the dry cleaner
I need to drop off my gym clothes at the dry cleaner. Jogging there is the fastest — it's 3 blocks. Should I jog over with them?
fastest
None - constraint removed
Jog over with the gym clothes
Jog over with the gym clothes
goal_substitution
Gym clothes are durable and not delicate — jogging with them won't cause any damage. The fastest route is fine.
B1-002
constraint_removed
strong
implicit
home
pair
null
B1-003
B1
H-eff
C-pres
Return a rental car
I need to return my rental car. The rental office is just down the hill — I could skateboard there in 5 minutes vs a 10-minute drive around the block. Should I skateboard?
5 minutes vs 10 minutes
The rental car itself must be returned to the rental office
Skateboard there
Drive the rental car to the rental office
goal_substitution
Returning a rental car requires bringing the car to the office, not just yourself. Skateboarding gets you there but leaves the car behind.
B1-003-pair
constraint_active
strong
implicit
transportation
base
null
B1-003-pair
B1
H-eff
C-pres
Return the rental key at the office
I need to return the rental key at the office. Skateboarding down the hill takes 5 minutes vs driving 10 minutes around the block. Should I skateboard?
5 minutes vs 10 minutes
None - constraint removed
Skateboard there
Skateboard there
goal_substitution
Returning a key only requires you to get there with the key. Skateboarding is faster and perfectly valid.
B1-003
constraint_removed
strong
implicit
transportation
pair
null
B1-004
B1
H-eff
C-pres
Donate large furniture to a thrift store
I want to donate this bookshelf and armchair to the thrift store. Biking there is faster since there's no traffic on the bike path. Should I bike?
faster
A bookshelf and armchair cannot be transported on a bicycle
Bike there
Drive or arrange a pickup for the furniture
goal_substitution
Donating furniture requires physically transporting the items to the store. A bicycle cannot carry a bookshelf and armchair.
B1-004-pair
constraint_active
medium
implicit
transportation
base
null
B1-004-pair
B1
H-eff
C-pres
Donate a bag of clothes to a thrift store
I want to donate a bag of clothes to the thrift store. Biking there is faster since there's no traffic on the bike path. Should I bike?
faster
None - constraint removed
Bike there
Bike there
goal_substitution
A bag of clothes is easily carried on a bike. Biking is a valid and faster option.
B1-004
constraint_removed
medium
implicit
transportation
pair
null
B1-005
B1
H-eff
C-pres
Pick up a 65-inch TV
I ordered a 65-inch TV for pickup. My electric scooter would get me there fastest — no parking hassle. Should I scoot over and pick it up?
fastest
A 65-inch TV cannot be transported on an electric scooter
Take the scooter
Drive a car or arrange delivery
goal_substitution
Picking up a 65-inch TV requires a vehicle large enough to transport it. A scooter cannot safely carry a TV of that size.
B1-005-pair
constraint_active
strong
implicit
shopping
base
null
B1-005-pair
B1
H-eff
C-pres
Pick up a phone case from a store
I need to pick up a phone case from the store. My electric scooter would get me there fastest — no parking hassle. Should I scoot over?
fastest
None - constraint removed
Take the scooter
Take the scooter
goal_substitution
A phone case is small and light — easily carried on a scooter. The fastest option works fine.
B1-005
constraint_removed
strong
implicit
shopping
pair
null
B1-006
B1
H-eff
C-pres
Get the car's brakes checked
I need to get my car's brakes checked. Taking an Uber is actually faster because of rush hour traffic. Should I Uber to the brake shop?
faster
Your car needs to be at the shop for the brake check
Take an Uber
Drive your car to the brake shop
goal_substitution
Getting brakes checked requires the car to be at the shop. Taking an Uber gets you there but not the car that needs service.
B1-006-pair
constraint_active
medium
implicit
transportation
base
null
B1-006-pair
B1
H-eff
C-pres
Pick up parts from the brake shop
I need to pick up parts from the brake shop. Taking an Uber is faster because of rush hour traffic. Should I Uber there?
faster
None - constraint removed
Take an Uber
Take an Uber
goal_substitution
Picking up parts only requires you to be there. An Uber is a valid and faster option during rush hour.
B1-006
constraint_removed
medium
implicit
transportation
pair
null
B1-001-str-strong
B1
H-eff
C-pres
Get the car washed
I need to get my car washed quickly. Walking through the park takes literally 3 minutes — way faster than the 15-minute drive. Should I just walk?
literally 3 minutes — way faster
The car must physically be at the car wash to be washed
Walk through the park
Drive the car to the car wash
goal_substitution
Even though walking is much faster, the car must be at the car wash. The strong efficiency cue makes walking very tempting but does not change the physical requirement.
B1-001
constraint_active
strong
implicit
transportation
strength_variant
null
B1-001-str-weak
B1
H-eff
C-pres
Get the car washed
I need to get my car washed. Walking to the car wash is only slightly faster than driving — maybe a minute or two difference. Should I walk?
only slightly faster
The car must physically be at the car wash to be washed
Walk
Drive the car to the car wash
goal_substitution
Even with a weak efficiency cue, the fundamental constraint remains: the car must be at the car wash. Walking is not viable regardless of time saved.
B1-001
constraint_active
weak
implicit
transportation
strength_variant
null
B1-003-exp-implicit
B1
H-eff
C-pres
Return a rental car
I need to return the rental. The rental office is just down the hill — skateboarding is way faster. Should I skateboard?
way faster
The rental car itself must be returned to the rental office
Skateboard there
Drive the rental car to the rental office
goal_substitution
The implicit phrasing 'return the rental' still means bringing the car back, even though the constraint is not spelled out.
B1-003
constraint_active
strong
implicit
transportation
explicitness_variant
null
B1-003-exp-hint
B1
H-eff
C-pres
Return a rental car
I need to return my rental car to the office. Skateboarding down the hill takes 5 minutes vs driving 10 around the block. Should I skateboard?
5 minutes vs 10 minutes
The rental car itself must be returned to the rental office
Skateboard there
Drive the rental car to the rental office
goal_substitution
The hint phrasing 'return my rental car' makes the constraint slightly more visible, but the efficiency cue still competes for attention.
B1-003
constraint_active
strong
hint
transportation
explicitness_variant
null
B1-003-exp-explicit
B1
H-eff
C-pres
Return a rental car
My rental car is parked at home and I need to return it to the rental office down the hill. Skateboarding would get me there in 5 minutes vs 10 minutes driving. How should I get the car to the office?
5 minutes vs 10 minutes
The rental car itself must be returned to the rental office
Skateboard there
Drive the rental car to the rental office
goal_substitution
The explicit phrasing 'how should I get the car to the office' makes the constraint fully visible, reducing the heuristic's misleading power.
B1-003
constraint_active
strong
explicit
transportation
explicitness_variant
null
B1-001-str-medium
B1
H-eff
C-pres
Get the car washed
I need to get my car washed. Walking to the car wash takes about 10 minutes, while driving takes 12. Should I walk?
10 minutes vs 12 minutes
The car must physically be at the car wash to be washed
Walk
Drive the car to the car wash
goal_substitution
The medium-strength efficiency cue offers a modest time saving for walking, but the car still must be at the car wash for the goal to be achieved.
B1-001
constraint_active
medium
implicit
transportation
strength_variant
null
B1-001-str-inverted
B1
H-eff
C-pres
Get the car washed
I need to get my car washed. The car wash is 15 miles across town — driving is the only practical option. Should I drive?
15 miles across town
The car must physically be at the car wash to be washed
Drive
Drive the car to the car wash
goal_substitution
When the distance is large, both the efficiency heuristic and the constraint point toward driving. This is the inverted case where heuristic and constraint align.
B1-001
constraint_active
inverted
implicit
transportation
strength_variant
null
B1-003-exp-inverted
B1
H-eff
C-pres
Return a rental car
I need to return my rental car. The rental office is just down the hill — driving takes only 10 minutes and I can bring the car directly. Should I drive?
only 10 minutes
The rental car itself must be returned to the rental office
Drive
Drive the rental car to the rental office
goal_substitution
This control variant makes both the heuristic and constraint obvious and aligned, serving as a baseline where the model should easily get the right answer.
B1-003
constraint_active
inverted
explicit
transportation
explicitness_variant
null
B2-001
B2
H-eff
C-cap
Move a 500-lb safe to the second floor
I need to move a 500-pound gun safe to the upstairs bedroom. What's the quickest way — should I just carry it up myself or hire movers?
quickest way
One person cannot carry 500 lbs
Carry it yourself
Hire movers or use equipment
missing_precondition
A 500-pound safe far exceeds what one person can lift or carry. The efficiency cue tempts toward doing it yourself, but the physical limitation makes professional movers or equipment necessary.
B2-001-pair
constraint_active
strong
implicit
home
base
null
B2-001-pair
B2
H-eff
C-cap
Move a desk lamp upstairs
I need to move a desk lamp to the upstairs bedroom. What's the quickest way — should I just carry it up myself or hire movers?
quickest way
None - constraint removed
Carry it yourself
Carry it yourself
missing_precondition
A desk lamp is light and easy to carry. The quickest way is indeed to carry it yourself.
B2-001
constraint_removed
strong
implicit
home
pair
null
B2-002
B2
H-eff
C-cap
Deliver 20 pizzas across town
I need to deliver 20 pizza boxes to a party across town as fast as possible. I could bike there in 15 minutes. Is biking the fastest option?
bike there in 15 minutes
Cannot safely carry 20 pizza boxes on a bike
Bike
Drive
missing_precondition
20 pizza boxes cannot be safely transported on a bicycle — they would fall, get crushed, or be impossible to balance. Driving is necessary despite being potentially slower in transit.
B2-002-pair
constraint_active
strong
implicit
transportation
base
null
B2-002-pair
B2
H-eff
C-cap
Deliver one document across town
I need to deliver one document across town. Biking takes 15 minutes. Is biking the fastest option?
biking takes 15 minutes
None - constraint removed
Bike
Bike
missing_precondition
A single document is easily carried on a bike. If biking is fastest, it is the right choice.
B2-002
constraint_removed
strong
implicit
transportation
pair
null
B2-003
B2
H-eff
C-cap
Send a 50GB video file to a colleague
I need to send a 50GB video file to my colleague as quickly as possible. Should I just email it?
as quickly as possible
Email attachment limits are typically 25MB — far below 50GB
Email it
Use a file sharing service (Google Drive, Dropbox, etc.)
missing_precondition
Email services have attachment size limits (typically 25MB). A 50GB file is 2000x over the limit. A cloud file sharing service or physical drive transfer is required.
B2-003-pair
constraint_active
strong
implicit
digital
base
null
B2-003-pair
B2
H-eff
C-cap
Send a 200KB PDF to a colleague
I need to send a 200KB PDF to my colleague as quickly as possible. Should I just email it?
as quickly as possible
None - constraint removed
Email it
Email it
missing_precondition
A 200KB PDF is well within email attachment limits. Emailing is the quickest and most appropriate method.
B2-003
constraint_removed
strong
implicit
digital
pair
null
B2-004
B2
H-eff
C-cap
Move all furniture from old apartment to new one
I need to move all my furniture to my new apartment today. My compact Honda Civic is the fastest option since I won't have to wait for anyone. Should I just use my car?
fastest option since I won't have to wait
A compact car cannot fit furniture like couches, beds, and dressers
Use your Civic
Rent a truck or hire movers
missing_precondition
A Honda Civic cannot transport full-sized furniture. Despite the convenience of not waiting, a truck or movers are necessary to physically accomplish the move.
B2-004-pair
constraint_active
strong
implicit
home
base
null
B2-004-pair
B2
H-eff
C-cap
Move a suitcase of clothes to the new apartment
I need to move a suitcase of clothes to my new place. My Civic is fast since I won't have to wait. Should I use my car?
fast since I won't have to wait
None - constraint removed
Use your Civic
Use your Civic
missing_precondition
A suitcase of clothes easily fits in a compact car. Using the Civic is the fastest and most practical option.
B2-004
constraint_removed
strong
implicit
home
pair
null
B2-005
B2
H-eff
C-cap
Cut down a large tree branch hanging over the yard
There's a thick tree branch hanging dangerously over my roof. The fastest tool I can grab is a pair of kitchen scissors. Should I use those?
fastest tool I can grab
Kitchen scissors cannot cut a thick tree branch
Use kitchen scissors
Use a saw or call an arborist
missing_precondition
Kitchen scissors lack the cutting power to sever a thick tree branch. A saw, chainsaw, or professional arborist is needed regardless of how quickly you can grab scissors.
B2-005-pair
constraint_active
strong
implicit
home
base
null
B2-005-pair
B2
H-eff
C-cap
Cut some wrapping paper
I need to cut some wrapping paper. The fastest tool I can grab is a pair of kitchen scissors. Should I use those?
fastest tool I can grab
None - constraint removed
Use kitchen scissors
Use kitchen scissors
missing_precondition
Kitchen scissors are perfectly capable of cutting wrapping paper. The fastest available tool works fine here.
B2-005
constraint_removed
strong
implicit
home
pair
null
B2-006
B2
H-eff
C-cap
Back up a 10TB server
I need to back up our 10TB database server as fast as possible. I have a 64GB USB drive right here. Should I start the backup to this drive?
right here / as fast as possible
A 64GB USB drive cannot hold 10TB of data
Use the USB drive
Use enterprise backup solution or larger storage
missing_precondition
64GB is roughly 0.6% of 10TB. The USB drive physically cannot store the backup. Enterprise-grade storage or cloud backup is required.
B2-006-pair
constraint_active
strong
implicit
digital
base
null
B2-006-pair
B2
H-eff
C-cap
Back up a 2GB folder
I need to back up a 2GB folder as fast as possible. I have a 64GB USB drive right here. Should I use it?
right here / as fast as possible
None - constraint removed
Use the USB drive
Use the USB drive
missing_precondition
2GB fits easily on a 64GB USB drive. Using the readily available drive is the fastest option.
B2-006
constraint_removed
strong
implicit
digital
pair
null
B2-007
B2
H-eff
C-cap
Get a family of 4 to the airport
We need to get our family of four to the airport as fast as possible — our flight leaves in 2 hours. My motorcycle is the fastest vehicle I own. Should we take the motorcycle?
fastest vehicle / 2 hours
A motorcycle cannot legally or safely carry 4 people
Take the motorcycle
Take the car or call a cab/rideshare
missing_precondition
A motorcycle can carry at most 2 people (driver + one passenger) legally. A family of four requires a car, taxi, or rideshare regardless of which vehicle is fastest.
B2-007-pair
constraint_active
strong
implicit
transportation
base
null
B2-007-pair
B2
H-eff
C-cap
Get to the airport alone
I need to get to the airport fast — my flight leaves in 2 hours. My motorcycle is my fastest vehicle. Should I take the motorcycle?
fastest vehicle / 2 hours
None - constraint removed
Take the motorcycle
Take the motorcycle
missing_precondition
With only one person, a motorcycle is a perfectly valid and fast option. The capacity constraint does not apply.
B2-007
constraint_removed
strong
implicit
transportation
pair
null
B2-008
B2
H-eff
C-cap
Submit a certified copy of a legal document to the court
I need to submit a certified copy of my birth certificate to the court by tomorrow. The quickest thing I can do is snap a phone photo and email it. Should I do that?
quickest thing
Courts typically require official certified copies, not phone photos
Take a phone photo and email it
Get an official certified copy from the issuing authority
missing_precondition
Courts require certified copies with official seals and signatures. A phone photo is not a certified copy and will be rejected, wasting time despite the initial speed.
B2-008-pair
constraint_active
strong
implicit
work
base
null
B2-008-pair
B2
H-eff
C-cap
Show a friend the middle name on your birth certificate
I need to send my friend a photo of my birth certificate so she knows my middle name. The quickest thing is to snap a phone photo. Should I do that?
quickest thing
None - constraint removed
Take a phone photo
Take a phone photo
missing_precondition
For informal information sharing, a phone photo is perfectly adequate. No certified copy is needed.
B2-008
constraint_removed
strong
implicit
work
pair
null
B2-009
B2
H-eff
C-cap
Fire a ceramic pottery piece
I just made a clay pot and want to fire it as quickly as possible. My kitchen oven heats up fast. Should I fire it in my kitchen oven?
heats up fast
Kitchen ovens cannot reach kiln temperatures (1800-2400°F) needed for firing pottery; they max out around 500-550°F
Use the kitchen oven
Use a kiln
missing_precondition
Pottery firing requires temperatures of 1800-2400°F, while kitchen ovens max out around 500-550°F. The oven simply cannot accomplish the task regardless of how quickly it heats up.
B2-009-pair
constraint_active
strong
implicit
home
base
null
B2-009-pair
B2
H-eff
C-cap
Bake cookies quickly
I want to bake cookies as quickly as possible. My kitchen oven heats up fast. Should I use it?
heats up fast
None - constraint removed
Use the kitchen oven
Use the kitchen oven
missing_precondition
A kitchen oven is designed for baking cookies. The temperature range is appropriate and it heats up fast.
B2-009
constraint_removed
strong
implicit
home
pair
null
B2-010
B2
H-eff
C-cap
Transport a 20-foot extension ladder to a job site
I need to bring a 20-foot extension ladder to my job site. Biking there is the fastest route because of traffic. Should I bike with the ladder?
fastest route
A 20-foot ladder cannot be safely transported by bicycle
Bike with the ladder
Drive or arrange vehicle transport
missing_precondition
A 20-foot extension ladder is far too large to carry on a bicycle safely. It requires a truck, van, or roof rack-equipped vehicle.
B2-010-pair
constraint_active
strong
implicit
work
base
null
B2-010-pair
B2
H-eff
C-cap
Bring a small toolbox to the job site
I need to bring a small toolbox to the job site. Biking is the fastest route because of traffic. Should I bike?
fastest route
None - constraint removed
Bike
Bike
missing_precondition
A small toolbox can be carried in a backpack or bike basket. Biking is a valid fast option.
B2-010
constraint_removed
strong
implicit
work
pair
null