AnalyzerSentence analysis6SpansSentence自然界では優勝劣敗が原則だ。1000 character limitAnalyzeSentence自し然ぜん界かいでは優ゆう勝しょう劣れっ敗ぱいが原げん則そくだ。Span Details自し然ぜん界かいnature; the natural worldnounではcontrastive で + は; then; well thengrammar優ゆう勝しょう劣れっ敗ぱいsurvival of the fittestnounがsubject markergrammar原げん則そくprinciple; general rule; as a rule; in principle; generallynoun, adverbだ。plain copulagrammar