AnalyzerSentence analysis5SpansSentenceこの対策は有効だ。1000 character limitAnalyzeSentenceこの対たい策さくは有ゆう効こうだ。Span Detailsこのthis; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective対たい策さくcountermeasure; measure; stepnounはtopic markergrammar有ゆう効こうvalid; effective; in effect; yuko (judo)na-adjective, nounだ。plain copulagrammar