Premodifier: constitutional
Head noun: challenge

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

Broader concepts

labelprovenanceconfidence
issueisap:173671520.840555
litigationisap:429897710.535878
caseisap:1519663240.368442
governmentisap:421481770.203271

Narrower concepts

labelprovenanceconfidence
separation of powerisap:1917564950.617821
claimisap:3382651790.366825
appealisap:4201718610.302427
suitisap:2895899280.288873
caseisap:2906436400.251056
factisap:2866612190.242536