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Sentence analysis
4Spans
Sentence
Span Details
禁煙
abstaining from smoking; quitting smoking; prohibition of smoking; smoking ban; No Smoking; Smoking Prohibitednoun, suru verb, expression
に
direction, time, indirect object, or target markergrammar
挑戦
challenge; attempt; defiancenoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar