Premodifier: big
Head noun: wave

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

Broader concepts

labelprovenanceconfidence
challengeisap:2866682890.469352
songisap:1688812250.268598
experienceisap:1886837940.242305
possibilityisap:4194695780.217798
beachisap:879489090.209832
timeisap:1689730430.182743

Narrower concepts

labelprovenanceconfidence
strong windisap:1762026370.349864
waveisap:1683822050.317287
mavericksisap:1518323960.296225
timeisap:1701451590.213429
surfisap:1677923360.206505