AnalyzerSentence analysis6SpansSentenceエメラルドは高価な宝石です。1000 character limitAnalyzeSentenceエメラルドは高こう価かな宝ほう石せきです。Span Detailsエメラルドemeraldnounはtopic markergrammar高こう価かexpensive; costly; high-priced; valuablena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar宝ほう石せきgem; jewel; precious stonenounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit