AnalyzerSentence analysis6SpansSentence歴史の年号は暗記物だ。1000 character limitAnalyzeSentence歴れき史しの年ねん号ごうは暗あん記き物ものだ。Span Details歴れき史しhistorynounのpossession, attribution, nominalizer, or nominal linkergrammar年ねん号ごうJapanese era name; imperial era namenounはtopic markergrammar暗あん記き物ものsubject requiring memorization; rote-learning materialnounだ。plain copulagrammar