ResearchBenchmarksLinguistic Minimal Pair Classification on BLiMP sentential_subject_islandFollow52.2AccuracyTargeted30.46436.10741.7547.393Apr 20, 2026Evaluation ResultsMethodMethodLinksAccuracyDelta (Δ)Only NPI ScopeExistential There Quantifiers (2)WH vs That (Long Distance Gap)Matrix Question NPI Licensor PresentPrinciple A ReconstructionSentential Subject Island AccuracyLeft Branch Island Echo QuestionCoord. Structure Constraint (Complex Left Branch)Principle A C-CommandTargetedData Intervention Stra...Data Intervention Strategy=specific synthetic, Synthetic Data Percentage=1%2026.0452.211.8—————52.2———BaselinePre-training Corpus=10...Pre-training Corpus=100M FineWeb2026.0440.4——————40.4———RandomData Intervention Stra...Data Intervention Strategy=random synthetic, Synthetic Data Percentage=1%2026.0431.3——————31.3———