AnalyzerSentence analysis5SpansSentenceこの木は空洞だ。1000 character limitAnalyzeSentenceこの木きは空くう洞どうだ。Span Detailsこのthis; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective木きtree; shrub; bush; wood; timber; wooden clappersnounはtopic markergrammar空くう洞どうcavity; hollow; cavern; cavernousnoun, no-adjectiveだ。plain copulagrammar