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Sentence analysis
6Spans
Sentence
Span Details
興信所
detective agency; private investigation firmnoun
に
direction, time, indirect object, or target markergrammar
身元調査
background check; identity investigationnoun
を
object markergrammar
頼ん
request; ask; beg; order; call; reserve; entrust; leave to; rely on; depend on; please; help me out-> 頼むgodan verb, interjection
だ。
past tense or completed action-> たgrammar