Triple

T22214251

Position	Surface form	Disambiguated ID	Type / Status
Subject	Dehiwala-Mount Lavinia	`E549033`	entity
Predicate	transport	`P230`	FINISHED
Object	Colombo–Matara coastal railway line	`—`	NE NERFINISHED

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: Colombo–Matara coastal railway line
Context triple: [Dehiwala-Mount Lavinia, transport, Colombo–Matara coastal railway line]

A. Colombo–Matara railway line chosen
The Colombo–Matara railway line is a coastal rail route in southwestern Sri Lanka that connects the capital region with major southern cities, including Galle and Matara.
B. Colombo–Badulla railway line
The Colombo–Badulla railway line is a scenic Sri Lankan rail route that winds through the island’s central highlands, connecting the capital region with the mountainous Up-Country area.
C. Puttalam Line
The Puttalam Line is a major railway line in Sri Lanka that runs along the island’s western coast, serving towns and industrial areas between Colombo and Puttalam.
D. Eastern Line (Sri Lanka)
Eastern Line (Sri Lanka) is a major railway route in Sri Lanka that connects the island’s eastern regions with the national rail network, serving key towns and facilitating passenger and freight transport.
E. Colombo urban rail network
The Colombo urban rail network is the suburban and commuter rail system serving Sri Lanka’s capital region, connecting central Colombo with its surrounding suburbs and key transit hubs.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage	Batch ID	Job type	Status
creating	`batch_69e11e3f7e04819089806d81d5ac431e`	elicitation	completed
NER	`batch_69f12b8b13f8819099ed8bebbfea3bc8`	ner	completed

Created at: April 16, 2026, 8:37 p.m.