AnalyzerSentence analysis3SpansSentenceローマ帝国の全盛期1000 character limitAnalyzeSentenceローマ帝てい国こくの全ぜん盛せい期きSpan Detailsローマ帝てい国こくRoman Empirenounのpossession, attribution, nominalizer, or nominal linkergrammar全ぜん盛せい期きheyday; golden age; primenoun