AnalyzerSentence analysis3SpansSentence元号を改める1000 character limitAnalyzeSentence元げん号ごうを改あらためるSpan Details元げん号ごうJapanese era name; imperial era namenounをobject markergrammar改あらためるchange; alter; revise; replace; reform; correct; mend; improve; examine; check; inspect; do properly; do formallyichidan verb