AnswerCarefully: Creating a Dataset for LLM Safety in Japanese
Summary
Most safety alignment and red-teaming for large language models is done in English. What counts as harmful, however, depends on local culture, taboos, prejudices and crime patterns, and non-English prompts can expose additional weaknesses. Japan had no broad-coverage safety resource, so the authors built AnswerCarefully. It is a hand-written collection of risky Japanese questions, each paired with a carefully composed reference answer. The questions follow the risk taxonomy of the Do-Not-Answer (DNA) dataset, but every sample was written from scratch to reflect how LLMs are actually used in Japanese society. The reference answers were shaped by the principles of the G7 Hiroshima AI Process. They let the data serve both as an evaluation benchmark and as instruction-tuning material, and they also help automatic evaluation. Fine-tuning a Japanese LLM on the data made its outputs safer while preserving general helpfulness. The authors also used the test set to rate 12 Japanese LLMs on a five-point safety scale. They argue that region-specific safety data matter and add meta tags to help others build similar datasets in other languages and regions.
Key points
- Size and splits: AnswerCarefully (Version 2.2, May 2025; v1.0 appeared April 2024) has 1,800 question–answer pairs. The development set holds 1,464 items and the test set holds 336 (6 for each of 56 Level-3 categories).
- Taxonomy: It follows DNA's three-level hierarchy of 5 risk areas and 12 harm types. The 61 specific harms were reduced to 56 to balance sample counts. The categories are mapped against AILuminate v1.0 and Llama Guard.
- Authorship: About 20 human writers from varied backgrounds produced the samples. DNA, by contrast, used GPT-4 generation, which can feel templatic. The data target everyday misuse rather than expert-level attacks.
- Evaluation and judge agreement: Human judges applied a two-step, five-level rubric (harmful 1–2 vs. safe 3–5). Of 2,196 ratings (12 systems × 183 questions), 169 disagreed across the safe/unsafe boundary. The most frequent cause was how to treat false information (23.1%).
- Licensing: The dataset is released openly. Its only condition is that it be used to improve LLM safety, and commercial use is allowed.
Cite
@inproceedings{suzuki2026answercarefully,
title = {{AnswerCarefully: Creating a Dataset for LLM Safety in Japanese}},
author = {Suzuki, Hisami and Katsumata, Satoru and Kodama, Takashi and Takahashi, Tetsuro and Nakayama, Kouta and Sekine, Satoshi},
booktitle = {Proceedings of the Fifteenth Language Resources and Evaluation Conference},
year = {2026},
doi = {10.63317/289xxmwcworn},
url = {https://doi.org/10.63317/289xxmwcworn}
}References
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