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Sentence
Span Details
テロ攻撃
terrorist attacknoun
の
possession, attribution, nominalizer, or nominal linkergrammar
グラウンドゼロ
ground zeronoun
は、
topic markergrammar
長期間
long period; long term; extended periodnoun, adverb, no-adjective
立ち入り禁止
No Entry; No Trespassing; Keep Out; off-limits; restricted; forbiddenexpression, no-adjective, noun
だった。
past copulagrammar