Triple

T10133742

Position	Surface form	Disambiguated ID	Type / Status
Subject	Heysham 1 nuclear power station	`E226802`	entity
Predicate	reactorUnit	`P51668`	FINISHED
Object	Heysham 1 Reactor 1	`E226802`	NE FINISHED

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

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

Target entity: Heysham 1 Reactor 1
Context triple: [Heysham 1 nuclear power station, reactorUnit, Heysham 1 Reactor 1]

A. Heysham 1 nuclear power station chosen
Heysham 1 nuclear power station is a twin-reactor advanced gas-cooled nuclear power facility located on the Lancashire coast of England, generating electricity for the UK grid.
B. Trawsfynydd nuclear power station
Trawsfynydd nuclear power station is a decommissioned Magnox nuclear power facility in Gwynedd, Wales, notable for being built inland beside the man-made Trawsfynydd lake.
C. Hinkley Point nuclear power stations
Hinkley Point nuclear power stations are a major complex of nuclear power facilities on the coast of Somerset, England, including both decommissioned reactors and the large new Hinkley Point C project.
D. Sellafield
Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
E. Guthega Power Station
Guthega Power Station is a hydroelectric power plant in New South Wales, Australia, forming part of the large-scale Snowy Mountains Hydroelectric Scheme.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage	Batch ID	Job type	Status
creating	`batch_69ca8433ec308190b8b25a6fe359c34c`	elicitation	completed
NER	`batch_69cdd33808048190b6023a6cd83fc179`	ner	completed
NED1	`batch_69d2e5d98a148190ada7082adb98ddaa`	ned_source_triple	completed

Created at: March 30, 2026, 9:06 p.m.