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Sentence analysis
5Spans
Sentence
Span Details
その
that; the; part; section; number; um; er; uh-> 其のpre-noun adjective, interjection
約束
promise; agreement; one's word; contract; appointment; engagement; date; convention; rule; destiny; fatenoun, suru verb
は
topic markergrammar
砂上の楼閣
house built on sand; house of cardsexpression, noun
だった。
past copulagrammar