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Sentence analysis
8Spans
Sentence
Span Details
汚れ
dirt; filth; stain; blot; spotnoun
が
subject markergrammar
ひどい
cruel; heartless; harsh; violent; intense; severe; terrible; awful; very bad; excessive; unreasonable; outrageous-> 酷いi-adjective
ので、
because; sincegrammar
擦り
rubbing; scrubbing; scrapingnoun
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar