Pairwise CHASE-SQL-style selection judge, THINK variant. Base = Llama-3.2-3B-Instruct,
SFT-only (no ORPO). Completion = a ≤5-sentence reasoning chain (from gpt-oss-120b, hint-conditioned
then hint-removed) followed by a final line Answer: A or Answer: B. Decoded at temperature 0.0.
Why THINK: the verdict-only judge (completion = a single A/B) beats majority-vote but is stuck at
its conversion frontier —… See the full description on the dataset page:
https://huggingface.co/datasets/thanhdath/mats-selection-think-review.