AnalyzerSentence analysis4SpansSentence物理法則は不変だ。1000 character limitAnalyzeSentence物ぶつ理り法ほう則そくは不ふ変へんだ。Span Details物ぶつ理り法ほう則そくphysical law; laws of physicsnounはtopic markergrammar不ふ変へんunchanging; constant; eternal; immutable; invariantna-adjective, nounだ。plain copulagrammar