AnalyzerSentence analysis5SpansSentence尾灯は赤色でなければならない。1000 character limitAnalyzeSentence尾び灯とうは赤あか色いろでなければならない。Span Details尾び灯とうtail light; rear lightnounはtopic markergrammar赤あか色いろred; red color; communist; socialist; left-wingnoun, no-adjectiveでcontinuative form of the copulagrammarなければならない。must; have to; need toexpressionAlso Foundならないならないcannot help feeling; unbearably; irresistibly; must not; should not; must; have to; ought to; cannot; unable to; notoptional