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Sentence analysis
7Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
局面
position in a game; state of the game; situation; phase; stagenoun
では
contrastive で + は; then; well thengrammar
コスミ
kosumi; diagonal move-> 尖みnoun
が
subject markergrammar
有効
valid; effective; in effect; yuko (judo)na-adjective, noun
だ。
plain copulagrammar