Triple

T9698423

Position	Surface form	Disambiguated ID	Type / Status
Subject	UK Parliament 2017–2019	`E234711`	entity
Predicate	keyEvent	`P259`	FINISHED
Object	Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act) The Passage of the European Union (Withdrawal) (No. 2) Act 2019, known as the Benn Act, was a pivotal UK law that forced the government to seek an extension to the Brexit deadline to avoid leaving the EU without a deal.	`E814520`	NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini

Instruction

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Input

Phrase: Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act) | Statement: [UK Parliament 2017–2019, keyEvent, Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act)
Context triple: [UK Parliament 2017–2019, keyEvent, Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act)]

A. European Union (Withdrawal) Act 2018
The European Union (Withdrawal) Act 2018 is a key UK law that provided the legal framework for leaving the EU by repealing the European Communities Act 1972 and converting existing EU law into domestic legislation.
B. European Union (Withdrawal Agreement) Act 2020
The European Union (Withdrawal Agreement) Act 2020 is UK legislation that implemented the Brexit withdrawal agreement in domestic law, providing the legal framework for the UK's departure from the EU.
C. European Union (Future Relationship) Act 2020
The European Union (Future Relationship) Act 2020 is a UK law that implemented and gave domestic legal effect to the post-Brexit Trade and Cooperation Agreement between the United Kingdom and the European Union.
D. European Union (Notification of Withdrawal) Act 2017
The European Union (Notification of Withdrawal) Act 2017 is a UK law that authorized the Prime Minister to formally trigger Article 50 of the Treaty on European Union, beginning the legal process of the United Kingdom’s withdrawal from the EU.
E. European Union Referendum Act 2015
The European Union Referendum Act 2015 is a UK law that provided the legal framework for holding the 2016 referendum on the United Kingdom’s membership of the European Union.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act)
Triple: [UK Parliament 2017–2019, keyEvent, Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act)]

Generated description

The Passage of the European Union (Withdrawal) (No. 2) Act 2019, known as the Benn Act, was a pivotal UK law that forced the government to seek an extension to the Brexit deadline to avoid leaving the EU without a deal.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Passage of the European Union (Withdrawal) (No. 2) Act 2019 (Benn Act)
Target entity description: The Passage of the European Union (Withdrawal) (No. 2) Act 2019, known as the Benn Act, was a pivotal UK law that forced the government to seek an extension to the Brexit deadline to avoid leaving the EU without a deal.

A. European Union (Withdrawal) Act 2018
The European Union (Withdrawal) Act 2018 is a key UK law that provided the legal framework for leaving the EU by repealing the European Communities Act 1972 and converting existing EU law into domestic legislation.
B. European Union (Withdrawal Agreement) Act 2020
The European Union (Withdrawal Agreement) Act 2020 is UK legislation that implemented the Brexit withdrawal agreement in domestic law, providing the legal framework for the UK's departure from the EU.
C. European Union (Future Relationship) Act 2020
The European Union (Future Relationship) Act 2020 is a UK law that implemented and gave domestic legal effect to the post-Brexit Trade and Cooperation Agreement between the United Kingdom and the European Union.
D. European Union (Notification of Withdrawal) Act 2017
The European Union (Notification of Withdrawal) Act 2017 is a UK law that authorized the Prime Minister to formally trigger Article 50 of the Treaty on European Union, beginning the legal process of the United Kingdom’s withdrawal from the EU.
E. European Union Referendum Act 2015
The European Union Referendum Act 2015 is a UK law that provided the legal framework for holding the 2016 referendum on the United Kingdom’s membership of the European Union.
F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step	Stage	Batch ID	Status	When
creating	Elicitation	`batch_69ca84cb580c8190a7e5f4b3bcdaf2a4`	completed	March 30, 2026, 2:12 p.m.
NER	Named-entity recognition	`batch_69cd9d3d425c8190b652d84186b5ce9f`	completed	April 1, 2026, 10:33 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d19125d3cc819082b3736d1b4ba802`	completed	April 4, 2026, 10:31 p.m.
NEDg	Description generation	`batch_69d192f37e54819099d316ce44de2c81`	completed	April 4, 2026, 10:38 p.m.
NED2	Entity disambiguation (via description)	`batch_69d1933ffc3481909395c9efb63875bb`	completed	April 4, 2026, 10:40 p.m.

Created at: March 30, 2026, 8:18 p.m.