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Sentence analysis
6Spans
Sentence
Span Details
イベント
eventnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
運営
management; administration; operationnoun, suru verb
は
topic markergrammar
大変
very; greatly; awfully; serious; grave; immense; terrible; difficult; hard; tough; major incident; disasteradverb, na-adjective, noun
だ。
plain copulagrammar