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Sentence analysis
5Spans
Sentence
Span Details
パーティー
party; social gathering; group taking part in an activity; political partynoun
に
direction, time, indirect object, or target markergrammar
礼装
formal dress; formal attirenoun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
ていく。
change continuing away from the present pointgrammar