Premodifier: grammatical
Head noun: rule

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

Broader concepts

labelprovenanceconfidence
ruleisap:1657613910.526755
thingisap:919416100.428734
informationisap:4187852890.427428
languageisap:4561787780.296362

Narrower concepts

labelprovenanceconfidence
sentence structureisap:1481938870.638983
explanationisap:3552910110.255016