AnalyzerSentence analysis4SpansSentence変化は必然的だ。1000 character limitAnalyzeSentence変へん化かは必ひつ然ぜん的てきだ。Span Details変へん化かchange; variation; transformation; variety; diversity; inflection; conjugation; declension; henka; evasive sidestep at the start of a sumo boutnoun, suru verbはtopic markergrammar必ひつ然ぜん的てきinevitable; necessary; unavoidablena-adjectiveだ。plain copulagrammar