ResearchBenchmarksLinguistic Minimal Pair Classification on BLiMP matrix_question_npi_licensor_presentFollow44.2AccuracyTargeted24.4429.5734.739.83Apr 20, 2026Evaluation ResultsMethodMethodLinksAccuracyDelta (Δ)Only NPI ScopeExistential There Quantifiers (2)WH vs That (Long Distance Gap)Matrix Question NPI Licensor Present AccuracyPrinciple A ReconstructionSentential Subject IslandLeft Branch Island Echo QuestionCoordinate Structure Constraint (Complex Left Branch)Principle A C-CommandTargetedData Intervention Stra...Data Intervention Strategy=specific synthetic, Synthetic Data Percentage=1%2026.0444.213.4———44.2—————BaselinePre-training Corpus=10...Pre-training Corpus=100M FineWeb2026.0430.8————30.8—————RandomData Intervention Stra...Data Intervention Strategy=random synthetic, Synthetic Data Percentage=1%2026.0425.2————25.2—————