ResearchBenchmarksLinguistic Minimal Pair Classification on BLiMP only_npi_scopeFollow69.4AccuracyTargeted14.90429.05243.257.348Apr 20, 2026Evaluation ResultsMethodMethodLinksAccuracyDelta (Δ)Accuracy (NPI Scope)Accuracy (Existential There Quantifiers 2)Accuracy (WH vs That Long Distance)Accuracy (Matrix Question NPI Licensor Present)Accuracy (Principle A Reconstruction)Accuracy (Sentential Subject Island)Accuracy (Left Branch Island Echo Question)Accuracy (Coordinate Structure Constraint Complex Left Branch)Accuracy (Principle A C-Command)TargetedData Intervention Stra...Data Intervention Strategy=specific synthetic, Synthetic Data Percentage=1%2026.0469.448.569.4————————BaselinePre-training Corpus=10...Pre-training Corpus=100M FineWeb2026.0420.9—20.9————————RandomData Intervention Stra...Data Intervention Strategy=random synthetic, Synthetic Data Percentage=1%2026.0417—17————————