AnalyzerSentence analysis6SpansSentence北宋の首都は開封でした。1000 character limitAnalyzeAnalysis warningThe supplied reading could not be aligned to the sentence.Sentence北ほく宋そうの首しゅ都とは開かい封ふうでした。Span Details北ほく宋そうNorthern Song dynastynounのpossession, attribution, nominalizer, or nominal linkergrammar首しゅ都とcapital city; capital; metropolisnounはtopic markergrammar開かい封ふうopening; breaking the seal; unboxing; opening a product package; unsealed mailnoun, suru verbでした。polite past copulagrammar