Premodifier: marginal
Head noun: seat

Same concepts
http://dbpedia.org/resource/Marginal_seat

Broader concepts

labelprovenanceconfidence
significant impactisap:3008588940.358358
voteisap:1742409440.199146

Narrower concepts

labelprovenanceconfidence
seatisap:1737422460.350534
constituencyisap:4082412500.318653