AnalyzerSentence analysis6SpansSentence人間の尾骨は痕跡器官だ。1000 character limitAnalyzeSentence人にん間げんの尾び骨こつは痕こん跡せき器き官かんだ。Span Details人にん間げんhuman being; person; mankind; character; personalitynounのpossession, attribution, nominalizer, or nominal linkergrammar尾び骨こつcoccyx; tailbonenounはtopic markergrammar痕こん跡せき器き官かんvestigial organ; rudimentary organnounだ。plain copulagrammar