First-Class Mail
E13974
First-Class Mail is the United States Postal Service’s standard, fast, and economical service for sending letters, postcards, and small packages nationwide.
All labels observed (4)
| Label | Occurrences |
|---|---|
| First-Class Mail canonical | 1 |
| First-Class Mail International | 1 |
| First-Class Package International Service | 1 |
| First-Class Package Service | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T126187 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: First-Class Mail Context triple: [United States Postal Service, offersService, First-Class Mail]
-
A.
First Class
First Class is Delta Air Lines’ premium cabin offering enhanced comfort, service, and amenities compared to its standard economy seating.
-
B.
United States Postal Service
The United States Postal Service is an independent agency of the U.S. federal government responsible for providing nationwide postal delivery and related mail services.
-
C.
Universal Postal Union
The Universal Postal Union is a specialized United Nations agency that coordinates international postal policies and services among member countries to ensure a unified global mail system.
-
D.
Guaranteed Rate
Guaranteed Rate is a U.S.-based mortgage lending company known for providing home loans and related financial services nationwide.
-
E.
FedExField
FedExField is a large outdoor football stadium in Landover, Maryland, best known as the longtime home venue of Washington’s NFL franchise.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: First-Class Mail Target entity description: First-Class Mail is the United States Postal Service’s standard, fast, and economical service for sending letters, postcards, and small packages nationwide.
-
A.
First Class
First Class is Delta Air Lines’ premium cabin offering enhanced comfort, service, and amenities compared to its standard economy seating.
-
B.
United States Postal Service
The United States Postal Service is an independent agency of the U.S. federal government responsible for providing nationwide postal delivery and related mail services.
-
C.
Universal Postal Union
The Universal Postal Union is a specialized United Nations agency that coordinates international postal policies and services among member countries to ensure a unified global mail system.
-
D.
Guaranteed Rate
Guaranteed Rate is a U.S.-based mortgage lending company known for providing home loans and related financial services nationwide.
-
E.
FedExField
FedExField is a large outdoor football stadium in Landover, Maryland, best known as the longtime home venue of Washington’s NFL franchise.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
United States Postal Service product
ⓘ
mail service ⓘ postal service class ⓘ |
| allows | nonmachinable surcharge for irregular items ⓘ |
| appliesTo | domestic mail ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| deliveryArea |
District of Columbia
ⓘ
PO Boxes ⓘ U.S. military addresses ⓘ U.S. territories ⓘ all 50 U.S. states ⓘ |
| deliveryStandard | 1 to 5 business days ⓘ |
| designedFor |
flats
ⓘ
large envelopes ⓘ letters ⓘ postcards ⓘ small packages ⓘ |
| economical | true ⓘ |
| fast | true ⓘ |
| handlingPriority | processed before USPS Marketing Mail ⓘ |
| hasFeature |
address correction
ⓘ
delivery to any U.S. address ⓘ forwarding service ⓘ return service ⓘ |
| includesService |
First-Class Mail large envelopes
ⓘ
First-Class Mail letters ⓘ First-Class Mail postcards ⓘ First-Class Mail self-linksurface differs ⓘ
surface form:
First-Class Package Service
|
| operatedBy | United States Postal Service ⓘ |
| pricingBasis |
mailing distance
ⓘ
shape ⓘ weight ⓘ |
| pricingModel | retail price per piece ⓘ |
| priorityLevel | higher than USPS Marketing Mail ⓘ |
| regulates | maximum size and thickness for letters and flats ⓘ |
| serviceType |
expedited mail service
ⓘ
letter mail service ⓘ standard mail service ⓘ |
| standardServiceOf | United States Postal Service ⓘ |
| supportsAddOn |
Certified Mail
ⓘ
Registered Mail ⓘ Signature Confirmation (for eligible items) ⓘ United States Postal Service ⓘ
surface form:
USPS Tracking (for packages)
|
| typicalUse |
bills and statements
ⓘ
business correspondence ⓘ light merchandise ⓘ personal correspondence ⓘ |
| weightLimitLargeEnvelopes | 13 ounces ⓘ |
| weightLimitLetters | 3.5 ounces ⓘ |
| weightLimitPackages | 13 ounces ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: First-Class Mail Description of subject: First-Class Mail is the United States Postal Service’s standard, fast, and economical service for sending letters, postcards, and small packages nationwide.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
First-Class Package Service
this entity surface form:
First-Class Mail International
this entity surface form:
First-Class Package International Service