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Sentence analysis
6Spans
Sentence
Span Details
環境保護
environmental protectionnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
デモ
demonstration; protest; demo; presentationnoun
に
direction, time, indirect object, or target markergrammar
参加
participation; joining; entrynoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar