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Sentence analysis
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Sentence
Span Details
五十年祭
jubilee; semicentennial; 50th anniversary celebrationnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
記念式典
memorial ceremony; commemorative ceremonynoun
に
direction, time, indirect object, or target markergrammar
出席
attendance; presencenoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar